CN204716692U - A kind of upset bolt - Google Patents
A kind of upset bolt Download PDFInfo
- Publication number
- CN204716692U CN204716692U CN201520317498.4U CN201520317498U CN204716692U CN 204716692 U CN204716692 U CN 204716692U CN 201520317498 U CN201520317498 U CN 201520317498U CN 204716692 U CN204716692 U CN 204716692U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- expansion sleeve
- head
- utility
- indent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of upset bolt, this upset bolt comprises screw rod, expansion-head, expansion sleeve; The afterbody of described screw rod is provided with outside thread, described expansion-head is arranged on the head of screw rod and is connected as a single entity with screw rod, described expansion sleeve being provided with an indent screws a little, and described expansion sleeve is screwed by indent and is a little contained on screw rod with the external thread rotary trap on screw rod.The expansion sleeve of upset bolt of the present utility model is screwed by indent and is a little contained on screw rod with the external thread rotary trap on screw rod, is not easy to skid off from screw rod, is connected firmly, stopped potential safety hazard when installation.
Description
Technical field
The utility model belongs to fastener areas, particularly relates to a kind of upset bolt.
Background technique
EXPANSION ANCHOR BOLTS is generally made up of component such as screw rod cylinder, expansion-head, expansion sleeve, nut, packing ring and pads, fixing device is not had between the expansion sleeve of existing EXPANSION ANCHOR BOLTS and screw rod cylinder, when installing, expansion sleeve is easy to skid off from screw rod cylinder, it is not firm to connect, and there is potential safety hazard.
Model utility content
The object of the utility model embodiment is to provide a kind of upset bolt, be intended to solve between the expansion sleeve of existing EXPANSION ANCHOR BOLTS and screw rod cylinder and there is no fixing device, when installing, expansion sleeve easily skids off from screw rod cylinder, connects illusive problem.
The utility model is achieved in that a kind of upset bolt comprises screw rod, expansion-head, expansion sleeve; The afterbody of described screw rod is provided with outside thread, described expansion-head is arranged on the head of screw rod and is connected as a single entity with screw rod, described expansion sleeve being provided with an indent screws a little, and described expansion sleeve is screwed by indent and is a little contained on screw rod with the external thread rotary trap on screw rod.
Further, the end of described expansion sleeve is provided with vertical bar seam, and vertical bar seam below is provided with circular port, and vertical bar seam is through with circular port.
The expansion sleeve of upset bolt of the present utility model is screwed by indent and is a little contained on screw rod with the external thread rotary trap on screw rod, is not easy to skid off from screw rod, is connected firmly, stopped potential safety hazard when installation.
Accompanying drawing explanation
Fig. 1 is the plan view of the upset bolt that the utility model embodiment provides;
Fig. 2 is the sectional view of the upset bolt that the utility model embodiment provides;
In figure: 1, screw rod; 2, expansion-head; 3, expansion sleeve; 3-1, vertical bar stitch; 3-2, circular port; 3-3, indent screw a little.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with embodiment, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction the utility model.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
Fig. 1 shows the structure of upset bolt of the present utility model, and as shown in the figure, the utility model is achieved in that a kind of upset bolt comprises screw rod 1, expansion-head 2, expansion sleeve 3; The afterbody of described screw rod 1 is provided with outside thread, described expansion-head 2 is arranged on the head of screw rod 1 and is connected as a single entity with screw rod 1, described expansion sleeve 3 is provided with an indent and screws a 3-3, the external thread rotary trap that described expansion sleeve 3 is screwed on a 3-3 and screw rod 1 by indent is contained on screw rod 1.
Further, the end of described expansion sleeve 3 is provided with vertical bar seam 3-1, is provided with circular port 3-2 below vertical bar seam 3-1, and 3-1 and circular port 3-2 is through for vertical bar seam.
The expansion sleeve 3 of upset bolt of the present utility model is screwed by indent and is a little contained on screw rod 1 with the external thread rotary trap on screw rod 1, is not easy to skid off from screw rod 1 when installation; During use, bore inner is knocked in, fastening nut inwards in expansion-head 2 one end, the expansion-head 2 extrusion expansion sleeve 3 gradually of screw rod 1 head, the expansion sleeve 3 at vertical bar seam 3-1 place is softened gradually to be compressed with drill hole inner wall, and it is firm to connect, and has stopped potential safety hazard.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a upset bolt, is characterized in that, described upset bolt comprises screw rod, expansion-head, expansion sleeve; The afterbody of described screw rod is provided with outside thread, described expansion-head is arranged on the head of screw rod and is connected as a single entity with screw rod, described expansion sleeve being provided with an indent screws a little, and described expansion sleeve is screwed by indent and is a little contained on screw rod with the external thread rotary trap on screw rod.
2. upset bolt as claimed in claim 1, is characterized in that, the end of described expansion sleeve is provided with vertical bar seam, and vertical bar seam below is provided with circular port, and vertical bar seam is through with circular port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317498.4U CN204716692U (en) | 2015-05-17 | 2015-05-17 | A kind of upset bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317498.4U CN204716692U (en) | 2015-05-17 | 2015-05-17 | A kind of upset bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716692U true CN204716692U (en) | 2015-10-21 |
Family
ID=54315693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520317498.4U Expired - Fee Related CN204716692U (en) | 2015-05-17 | 2015-05-17 | A kind of upset bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716692U (en) |
-
2015
- 2015-05-17 CN CN201520317498.4U patent/CN204716692U/en not_active Expired - Fee Related
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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: 20151021 Termination date: 20160517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |