CN203430944U - Expansion nut and dismounting tool for dismounting expansion nut - Google Patents
Expansion nut and dismounting tool for dismounting expansion nut Download PDFInfo
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- CN203430944U CN203430944U CN201320521483.0U CN201320521483U CN203430944U CN 203430944 U CN203430944 U CN 203430944U CN 201320521483 U CN201320521483 U CN 201320521483U CN 203430944 U CN203430944 U CN 203430944U
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- nut
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- expanding
- extracting tool
- expanding nut
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- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses an expansion nut, this expansion nut include expansion nut pipe (3) and set up expansion post (4) in expansion nut pipe (3), and wherein, the front end of expansion post (4) is provided with connecting portion. Additionally, the utility model also discloses a extracting tool for dismantling this inflation nut, wherein, this extracting tool including can stretch into inflation nut pipe (3) and with the junction of connecting portion detachably joint. Through above-mentioned technical scheme, set up connecting portion through the inflation post front end at the inflation nut to design one kind and can get into the inflation nut pipe and have the extracting tool with the joint of this connecting portion detachably joint, thereby can use the expansion post of this extracting tool and the inflation nut after the installation to be connected and pull out the inflation end of inflation nut with this inflation post, make this inflation end reply original non-inflation state, eliminated the stiction between inflation end and mounting hole, demolish the inflation nut from the mounting hole with easily.
Description
Technical field
The utility model relates to a kind of link, particularly, relates to a kind of expanding nut, more specifically, relates to a kind of dismountable expanding nut.In addition, the utility model also relates to a kind of for dismantling the extracting tool of this expanding nut.
Background technique
EXPANSION ANCHOR BOLTS is a kind of common fixed connecting piece, be used for equipment or other article to install on the wall or ground first-class.When EXPANSION ANCHOR BOLTS is installed, one section of bolt shank can be exposed more than body surface, to be fixedly connected with; But at some special occasions, need to install the nut that can inlay into object the inside, special fixing to realize.
Expanding nut is mainly comprised of nut pipe and expansion post.In use, nut pipe is placed in the hole of accomplishing fluently in advance, then bolt is screwed in nut pipe, with by the inflating end of expansion post pressed-in nut pipe, the inflating end of nut pipe is expanded, thereby be stuck in, in mounting hole, complete installation.
After expanding nut installation, between expansion post and the inflating end of expanding nut, there is larger frictional force, expansion post is difficult for returning, and makes the inflating end of expanding nut stuck in mounting hole, and expanding nut is difficult for removing.
In view of this, need to design a kind of expanding nut and corresponding extracting tool of being convenient to dismounting.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of expanding nut, and this expanding nut can be convenient to as required dismounting after installation.
In addition, the technical problem that the utility model also will solve is to provide a kind of for dismantling the extracting tool of this expanding nut.
In order to address the above problem, the utility model provides a kind of expanding nut, and this expanding nut comprises expanding nut pipe and be arranged on the expansion post in described expanding nut pipe, and wherein, the front end of described expansion post is provided with joint.
Preferably, the joint of described expansion post is internal thread.
Preferably, the front end of described expanding nut pipe is provided with internal thread, and the end of described expanding nut pipe is provided with inflating end.
Particularly, the point diameter of described expansion post is greater than its end diameter.
It is a kind of for dismantling the extracting tool of the expanding nut described in above scheme that the utility model also provides, and wherein, described extracting tool comprises can stretch into the joining portion that the post joint that expands described in described expanding nut Guan Bingyu removably engages.
Particularly, described extracting tool comprises rotatable handle, main component, fitted bolt, the first stop nut, described main component is the stepped double-screw bolt shape of tool and comprises first paragraph and second segment, the diameter of described first paragraph is greater than the diameter of described second segment, described first paragraph is fixed on described rotatable handle, described fitted bolt has outside thread and can be bolted in the internal thread of described expanding nut pipe, described fitted bolt is sheathed on described first paragraph and can moves freely by the length direction along described first paragraph with respect to described first paragraph, the end of described second segment forms described joining portion, described joining portion is outside thread.Described second segment is provided with outside thread can being spirally connected with the internal thread of described the first stop nut, the external diameter of described the first stop nut be greater than described main component first paragraph diameter and be less than the external diameter of described fitted bolt.
In addition, described extracting tool can also comprise the second stop nut, described the second stop nut is sheathed on the first paragraph of described main component and between described fitted bolt and described rotatable handle, the first paragraph of described main component is provided with outside thread and can be spirally connected with the internal thread of described the second stop nut, and the external diameter of described the second stop nut is less than the external diameter of described fitted bolt.
Pass through technique scheme, front end by the expansion post at expanding nut arranges joint, and design a kind of extracting tool that can enter described expanding nut pipe and there is the joining portion removably engaging with this joint, thereby the expansion post of the expanding nut after can using this extracting tool and installing is connected and this expansion post is pulled out the inflating end of expanding nut, make this inflating end be returned to original non-expansion state, eliminated the stiction between inflating end and mounting hole, expanding nut pipe has been removed from mounting hole being easy to.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the expanding nut of a kind of embodiment of the present utility model sectional view vertically;
Fig. 2 is according to the structural representation of the extracting tool being used in conjunction with expanding nut shown in Fig. 1 of a kind of embodiment of the present utility model;
Fig. 3 is the sectional view along the intercepting of the line of A-A shown in Fig. 2;
Fig. 4 is according to the structural representation of the extracting tool being used in conjunction with expanding nut shown in Fig. 1 of another kind of embodiment of the present utility model;
Fig. 5 is the sectional view along the intercepting of the line of B-B shown in Fig. 4.
Description of reference numerals
1 expanding nut internal thread 2 expansion post internal threads
3 expanding nut pipe 4 expansion posts
5 inflating end 20 rotatable handles
21 main component 211 first paragraphs
212 second segment 22 fitted bolts
23 first stop nut 24 second stop nuts
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the direction that expanding nut mounting hole inside is pointed in definition is vertically postive direction, and to any component, the end that is in reverse to postive direction is " front end ", along the end of postive direction, is " end ".
As shown in Figure 1, the utility model provides a kind of expanding nut, and this expanding nut comprises expanding nut pipe 3 and be arranged on the expansion post 4 in expanding nut pipe 3, and wherein, the front end of expansion post 4 is provided with joint.
By the front end at expansion post 4, joint is set, by means of specifically can enter in expanding nut pipe 3 and have can with the instrument of the connecting part that described joint is removably combined, expansion post 4 is pulled out to the suitable distance of inflating end of described expanding nut, thereby make described inflating end be returned to original non-expansion state, eliminate the frictional force between described inflating end and mounting hole, to be easy to removing described expanding nut from mounting hole.
According to a kind of embodiment of the present utility model, the joint of described expansion post 4 is internal thread 2.This joint also can be draw-in groove etc., as long as be convenient to be connected with extracting tool, the utility model is not limited to this.
According to a kind of embodiment of the present utility model, the front end of described expanding nut pipe 3 is provided with internal thread 1, and the end of described expanding nut pipe 3 is provided with inflating end 5.
According to a kind of embodiment of the present utility model, the point diameter of described expansion post 4 is greater than its end diameter.
In addition, as shown in Figure 2, it is a kind of for dismantling the extracting tool of the expanding nut described in above scheme that the utility model also provides, and wherein, described extracting tool comprises the joining portion that can stretch into described expanding nut pipe 3 and removably engage with described joint.
Expanding nut is dismantled difficult reason after installing and is, during installation, be pressed between expansion post 4 in inflating end and inflating end and exist and be stuck in inflating end and can not return easily compared with large frictional force, the increase of inflating end diameter is stuck in mounting hole, therefore by the front end at expansion post 4, joint is set, and design can enter expanding nut pipe 3 and have the extracting tool at the joining portion removably engaging with described joint, can when dismounting, easily pull out expansion post 4, make inflating end reply original non-expansion state, thereby can easily in mounting hole, remove expanding nut.
According to the first embodiment of the present utility model, described extracting tool comprises rotatable handle 20, main component 21, fitted bolt 22, the first stop nut 23, main component 21 is for the stepped double-screw bolt shape of tool and comprise first paragraph 211 and second segment 212, the diameter of described first paragraph 211 is greater than the diameter of described second segment 212, described first paragraph 211 is fixed on rotatable handle 20, fitted bolt 22 has outside thread and can be bolted in the internal thread of described expanding nut pipe 3, fitted bolt 22 is sheathed on described first paragraph 211 and can moves freely by the length direction along described first paragraph 211 with respect to described first paragraph, the end of described second segment 212 forms described joining portion, described joint is expansion post internal thread 2, the outside thread of described joining portion for being spirally connected with described expansion post internal thread 2.Described second segment 212 is provided with outside thread and can be spirally connected with the internal thread of the first stop nut 23, and the external diameter of the first stop nut 23 is greater than the diameter of first paragraph 211 and is less than the external diameter of fitted bolt 22.
When needs are dismantled expanding nut, this extracting tool is coaxially inserted to EXPANSION ANCHOR BOLTS, rotation fitted bolt 22, make fitted bolt 22 screw in the interior segment distance of internal thread 1 of expanding nut pipe 3, then promote inwards rotatable handle 20, second segment 212 ends of main component 21 are contacted with expansion post 4 and start to enter internal thread 2.Then rotate rotatable handle 20, make the interior segment distance of internal thread 2 of the end screw-in expansion post 4 of described second segment 212, then pull out rotatable handle 20, the post 4 that makes to expand is retracted into the position that is not subject to inflating end 5 extruding originally, inflating end 5 is returned to original non-expansion state, and no longer produces friction with mounting hole.Due to the first stop nut 23, expansion post 3 can not be drawn out, and continues to be pulled outwardly rotatable handle 20, the first stop nuts 23 promotion fitted bolts 22 and outwards moves, thereby described expanding nut is pulled out to mounting hole.
In addition, as the second embodiment of the present utility model, described extracting tool can also comprise the second stop nut 24, described the second stop nut 24 is sheathed on the first paragraph 211 of described main component 21 and between described fitted bolt 22 and described rotatable handle 20, described first paragraph 211 is provided with outside thread and can be spirally connected with the internal thread of described the second stop nut 24, and the external diameter of described the second stop nut 24 is less than the external diameter of described fitted bolt 22.
When needs are dismantled expanding nut, this extracting tool is coaxially inserted to EXPANSION ANCHOR BOLTS, rotation fitted bolt 22, make fitted bolt 22 screw in the interior segment distance of internal thread 1 of expanding nut pipe 3, then promote inwards rotatable handle 20, second segment 212 ends of main component 21 are contacted with expansion post 4 and start to enter internal thread 2.Regulate the second stop nut 24 with respect to the position of first paragraph 211, so that the second stop nut 24 withstands the front end end face of fitted bolt 22, now main component 21 can only move with respect to fitted bolt 24 sensing mounting holes outsides on length direction, rotation rotatable handle 20, the end of described second segment 212 is pulled out expansion post 4 gradually when screwing in expansion post 4 internal threads, expansion post 4 is retracted into the position that is not subject to inflating end 5 extruding originally, inflating end 5 is returned to original non-expansion state, and no longer produce friction with mounting hole, due to the first stop nut 23, expansion post 3 can not be drawn out, continue to pull out rotatable handle 20, the first stop nut 23 promotes fitted bolt 22 and outwards moves, thereby described expanding nut is pulled out to mounting hole.
According to the extracting tool of the first embodiment of the present utility model with according to the difference of the extracting tool of the second embodiment of the present utility model, be, according to second segment 212 ends of the main component 21 of the extracting tool of the first embodiment of the present utility model when screwing in the internal thread 2 of expansion post 4, main component 21 moves in mounting hole with respect to described expanding nut pipe 3, then by pulling rotatable handle 20 that expansion post 4 is pulled out, and according to second segment 212 ends of the main component 21 of the extracting tool of the second embodiment of the present utility model when screwing in the internal thread 2 of expansion post 4, gradually expansion post 4 is pulled out, in rotary course, main component 21 is static with respect to expanding nut pipe in the longitudinal direction.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, and the utility model is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (7)
1. an expanding nut, this expanding nut comprises expanding nut pipe (3) and is arranged on the expansion post (4) in described expanding nut pipe (3), it is characterized in that, the front end of described expansion post (4) is provided with joint.
2. expanding nut according to claim 1, is characterized in that, described joint is expansion post internal thread (2).
3. expanding nut according to claim 1 and 2, is characterized in that, the front end of described expanding nut pipe (3) is provided with internal thread (1), and the end of described expanding nut pipe (3) is provided with inflating end (5).
4. expanding nut according to claim 1 and 2, is characterized in that, the point diameter of described expansion post (4) is greater than its end diameter.
5. for dismantling an extracting tool for expanding nut claimed in claim 1, it is characterized in that, described extracting tool comprises the joining portion that can stretch into described expanding nut pipe (3) and removably engage with described joint.
6. extracting tool according to claim 5, it is characterized in that, described extracting tool comprises rotatable handle (20), main component (21), fitted bolt (22) and the first stop nut (23), described main component (21) is for the stepped double-screw bolt shape of tool and comprise first paragraph (211) and second segment (212), the diameter of described first paragraph (211) is greater than the diameter of described second segment (212), described first paragraph (211) is fixed on described rotatable handle (20), described fitted bolt (22) has outside thread and can be bolted in the internal thread of described expanding nut pipe (3), described fitted bolt (22) is sheathed on described first paragraph (211) above and can moves freely by the length direction along described first paragraph (211) with respect to described first paragraph (211), the end of described second segment (212) forms described joining portion, described joint is expansion post internal thread (2), the outside thread of described joining portion for being spirally connected with described expansion post internal thread (2), described second segment (212) is provided with outside thread and can be spirally connected with the internal thread of described the first stop nut (23), the external diameter of described the first stop nut (23) is greater than the diameter of described first paragraph (211) and is less than the external diameter of described fitted bolt (22).
7. extracting tool according to claim 6, described extracting tool comprises the second stop nut (24), described the second stop nut (24) is sheathed on described first paragraph (211) and between described fitted bolt (22) and described rotatable handle (20), described first paragraph (211) is provided with outside thread and can be spirally connected with the internal thread of described the second stop nut (24), and the external diameter of described the second stop nut (24) is less than the external diameter of described fitted bolt (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521483.0U CN203430944U (en) | 2013-08-23 | 2013-08-23 | Expansion nut and dismounting tool for dismounting expansion nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521483.0U CN203430944U (en) | 2013-08-23 | 2013-08-23 | Expansion nut and dismounting tool for dismounting expansion nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430944U true CN203430944U (en) | 2014-02-12 |
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ID=50059984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320521483.0U Expired - Fee Related CN203430944U (en) | 2013-08-23 | 2013-08-23 | Expansion nut and dismounting tool for dismounting expansion nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681509A (en) * | 2021-09-06 | 2021-11-23 | 北京中燕建设工程有限公司 | Scalable demolition tool of high-voltage thermocouple |
-
2013
- 2013-08-23 CN CN201320521483.0U patent/CN203430944U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681509A (en) * | 2021-09-06 | 2021-11-23 | 北京中燕建设工程有限公司 | Scalable demolition tool of high-voltage thermocouple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |