CN202023808U - Internally-mounted bolt type expansion screw - Google Patents
Internally-mounted bolt type expansion screw Download PDFInfo
- Publication number
- CN202023808U CN202023808U CN2011201239365U CN201120123936U CN202023808U CN 202023808 U CN202023808 U CN 202023808U CN 2011201239365 U CN2011201239365 U CN 2011201239365U CN 201120123936 U CN201120123936 U CN 201120123936U CN 202023808 U CN202023808 U CN 202023808U
- Authority
- CN
- China
- Prior art keywords
- bolt
- expansion
- expansion sleeve
- groove
- screw
- 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 - Lifetime
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
- Revetment (AREA)
Abstract
The utility model relates to an expansion screw, particularly to an internally-mounted bolt type expansion screw, which comprises a bolt and an expansion sleeve, wherein one end of the expansion sleeve is provided with a longitudinal notch; expansion blades are on the pipe wall between the notches; the bolt is a stud bolt with a standard screw thread, a groove is arranged at the top part at one end of the bolt, and a conical expansion cone body is arranged at the other end of the bolt; and a screw thread matched with the stud bolt is arranged on the inner wall of the expansion sleeve. The internally-mounted bolt type expansion screw facilitates the improvement of the fastening property of the expansion screw, improves the positioning precision of the expansion screw, and is suitable for being used at the site or on the mechanical equipment with higher position precision requirement. The expansion screw is convenient to use, has simple structure, low manufacturing cost, and certain popularization and application value.
Description
Technical field
The utility model relates to a kind of setscrew, specifically is a kind of built-in bolt type setscrew.
Background technique
The setscrew that uses generally is made up of nut, conehead and expansion sleeve etc. at present.During installation, on matrix, hole earlier, nut, expansion sleeve etc. is put into the hole, turn nut then, make nut pulling conehead, force expansion sleeve to expand, setscrew integral body is fastened in the matrix.The shortcoming of this setscrew is: because nut or screw head be exposed, and the one, influence attractive in appearance; The 2nd, if be installed on the machinery equipment, perhaps public place such as square, road is also very dangerous.And after fixture was removed, the part that setscrew elevates above the soil can not be dismantled, and dismounting will destroy the surface of ground or building by force, has a strong impact on normal use.
Summary of the invention
The purpose of this utility model is exactly at the existing in prior technology deficiency, and a kind of built-in bolt type setscrew is provided.
This programme is realized by following technical measures: a kind of built-in bolt type setscrew, comprise bolt and expansion sleeve, one end of expansion sleeve has longitudinal cut, tube wall between the otch forms the expansion leaf, described bolt is the stud bolt that has standard thread, the top of one end of bolt is provided with groove, and the other end is provided with the expansion cone of taper; The inwall of described expansion sleeve is provided with the screw thread that matches with stud bolt.
For the fastening effect after the expansion of the leaf of strengthening expanding, the tube wall at described expansion leaf place is thickening gradually from outside to inside.
Bolt and expansion sleeve are cooperatively interacted be fastened in the matrix, the inwall of described expansion leaf is provided with spiral lamination, and the expansion leaf is with the stepped progressive additive of spiral lamination.
For the application area and the raising using effect that increase expansion sleeve, described expansion sleeve can be cylindrical or the polygonal sleeve pipe.
In order conveniently to turn bolt, described groove is flat mouthful groove, cross groove or polygon square groove.
The beneficial effect of this programme can learn according to the narration to such scheme and since above-mentioned bolt for having the stud bolt of standard thread, make bolt can sink into the inside of expansion sleeve, reduced the emergence part of setscrew.The top of one end of bolt is provided with groove, can make fastened tools screw bolt.The other end is provided with the expansion cone of taper, and expansion cone and bolt connect as one, and increases the rigidity of bolt, helps increasing the fastening ability of setscrew.The inwall of described expansion sleeve is provided with the screw thread that matches with bolt, and bolt and expansion sleeve directly cooperate, and has reduced the movable vacant amount between expansion sleeve and the bolt, has improved the Location accuracy of setscrew.Be particularly suitable for needing higher place to use, also can use on machinery simultaneously in positional accuracy.The utility model at the front end internal thread of expansion sleeve, can connect various bolts according to demand after fastening getting well.This shows that the utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is conspicuous.
Description of drawings
The schematic representation of Fig. 1 expansion sleeve of the present utility model.
The structural representation of Fig. 2 stud bolt of the present utility model.
Fig. 3 is a structural representation of the present utility model in the embodiment.
Among the figure, 1, expansion sleeve, 2, longitudinal cut, 3, stud bolt, 4, cubic groove, 5, expansion cone, 6, matrix, 7, the expansion leaf.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by embodiment.
Embodiment: as shown in Figure 1 and Figure 2, a kind of built-in bolt type setscrew, comprise bolt and expansion sleeve 1, one end of expansion sleeve 1 has longitudinal cut 2, tube wall between the longitudinal cut 2 forms expansion leaf 7, described bolt is the stud bolt 3 that has standard thread, and the top of an end of stud bolt 3 is provided with interior cubic groove 4, and the other end is provided with the expansion cone 5 of taper; The inwall of described expansion sleeve 1 is provided with the screw thread that matches with stud bolt 3.The inwall of described expansion leaf 7 is provided with spiral lamination, and expansion leaf 7 is with the stepped progressive additive of spiral lamination.
During use as shown in Figure 3, expansion sleeve 1 can be placed in the pre-drilled hole, reserve the expansion sleeve 1 of certain altitude on the surface of matrix 6, with spanner rotation stud bolt 3, make expansion leaf 7 match fastening with expansion cone 5, expansion sleeve 1 is convenient to matrix 6 and is linked together securely, also can be used for other connection simultaneously.
Claims (5)
1. built-in bolt type setscrew, comprise bolt and expansion sleeve, one end of expansion sleeve has longitudinal cut, tube wall between the otch forms the expansion leaf, it is characterized in that: described bolt is the stud bolt that has standard thread, the top of one end of bolt is provided with groove, and the other end is provided with the expansion cone of taper; The inwall of described expansion sleeve is provided with the screw thread that matches with stud bolt.
2. built-in bolt type setscrew according to claim 1 is characterized in that: the tube wall at described expansion leaf place is thickening gradually from outside to inside.
3. built-in bolt type setscrew according to claim 2, it is characterized in that: the inwall of described expansion leaf is provided with spiral lamination, and the expansion leaf is with the stepped progressive additive of spiral lamination.
4. built-in bolt type setscrew according to claim 1 is characterized in that: described expansion sleeve can be cylindrical or the polygonal sleeve pipe.
5. built-in bolt type setscrew according to claim 1 is characterized in that: described groove is flat mouthful groove, cross groove or polygon square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239365U CN202023808U (en) | 2011-04-25 | 2011-04-25 | Internally-mounted bolt type expansion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239365U CN202023808U (en) | 2011-04-25 | 2011-04-25 | Internally-mounted bolt type expansion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023808U true CN202023808U (en) | 2011-11-02 |
Family
ID=44848759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201239365U Expired - Lifetime CN202023808U (en) | 2011-04-25 | 2011-04-25 | Internally-mounted bolt type expansion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168707A (en) * | 2011-04-25 | 2011-08-31 | 济南纳诺精密机械有限公司 | Built-in bolt type expansion screw |
| CN108825616A (en) * | 2018-07-10 | 2018-11-16 | 广东顶固集创家居股份有限公司 | Plate connection component |
-
2011
- 2011-04-25 CN CN2011201239365U patent/CN202023808U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168707A (en) * | 2011-04-25 | 2011-08-31 | 济南纳诺精密机械有限公司 | Built-in bolt type expansion screw |
| CN108825616A (en) * | 2018-07-10 | 2018-11-16 | 广东顶固集创家居股份有限公司 | Plate connection component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201636161U (en) | Insert type expansion screw | |
| CN202023808U (en) | Internally-mounted bolt type expansion screw | |
| CN110145521B (en) | Expansion connecting piece | |
| CN203141415U (en) | Puller for hollow guide tube | |
| CN203189449U (en) | Self-bearizing anchor bolt | |
| CN203613817U (en) | Base device for steel-structured safety protection fence | |
| CN102168707A (en) | Built-in bolt type expansion screw | |
| CN202742265U (en) | Socket spanner | |
| CN102252019B (en) | Expansion screw | |
| CN209398694U (en) | A kind of Fast Installation type expansion bolt | |
| CN201474288U (en) | Fastener of steel pipe scaffold | |
| CN203488505U (en) | Combined installation device for bolts | |
| CN204487451U (en) | Quick doornail driver-extractor | |
| CN203097197U (en) | Threaded type eccentric crescent combined bolt | |
| CN205799405U (en) | Earthing rod installation tool | |
| CN204736177U (en) | Multistage centrifugal pump bearing inner race extracting tool | |
| CN103114697B (en) | The eccentric crescent moon combined bolt of screw-type and mounting method thereof | |
| CN204458719U (en) | A kind of EXPANSION ANCHOR BOLTS effectively can avoiding getting loose | |
| CN203707667U (en) | Live-line installation device of bird repellent | |
| CN202102644U (en) | Simply-mounted assembly | |
| CN210423325U (en) | Expansion connecting piece | |
| CN203412877U (en) | Expansion bolt | |
| CN203757329U (en) | Hoop bracket for monitoring camera | |
| CN109322890B (en) | Quick installation type expansion bolt | |
| CN205035797U (en) | Band stop stopper drill bit adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG NANUO NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JINAN NANO GRANITE PRECISION MACHINERY CO., LTD. Effective date: 20140408 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250100 JINAN, SHANDONG PROVINCE TO: 250200 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140408 Address after: 250200 Shandong city of Ji'nan province Zhangqiu City Industrial Economic Development Zone Mingshui three road No. 1626 Patentee after: SHANDONG NANO NEW MATERIAL TECHNOLOGY CO., LTD. Address before: B Jiaheng business building, Hualong road Licheng District 250100 Shandong city of Ji'nan province No. 1704 block Patentee before: Jinan Nano Granite Precision Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |