CN2222825Y - Fixing device - Google Patents
Fixing device Download PDFInfo
- Publication number
- CN2222825Y CN2222825Y CN 95212324 CN95212324U CN2222825Y CN 2222825 Y CN2222825 Y CN 2222825Y CN 95212324 CN95212324 CN 95212324 CN 95212324 U CN95212324 U CN 95212324U CN 2222825 Y CN2222825 Y CN 2222825Y
- Authority
- CN
- China
- Prior art keywords
- cylindrical body
- elastic cylindrical
- fixing device
- lock bolt
- end surface
- 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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- Road Signs Or Road Markings (AREA)
Abstract
The utility model discloses a fixing device, which fixes conformation articles such as marks, viewing boards, etc., on a road surface, a felting surface, etc. The fixing device is composed of a locking bolt, an eccentric nut, a spacer, a fixed nut, etc. The utility model is characterized in that upper and lower part elastic cylindrical bodies are arranged on the fixing shaft of the lower part of a flange. The lower end surface and the upper end surface of the upper and lower elastic cylindrical bodies is an inclined surface with identical diameters and gradients, and the lower end surface and the upper end surface are mutually folded and combined. When the utility model is locked, the lower cylindrical body and the flange clamp the upper cylindrical body, which makes the upper cylindrical body slide along the inclined surface, because of expansion, the side of the upper cylindrical body touches ground tightly, fixed in a hole. The fixing device has advantages of strong fixing force, and the utility model is not drawn because of the change of air temperature. The fixed article is conveniently arranged.
Description
The utility model relate to a kind of with sign, billboard or other structures be fixed in the road surface, used fixing device such as the face of mating formation, wall, ceiling surface.
Locate to install and fix structure in mat formation face or stone material face etc. and adopt the method that is embedded at the attachment face place with the concrete block of corner bolt usually, or adopt and digging fixedly cave, the place inserts the way that has the eccentric nut bolt in fixing cave, but preceding method is taken a lot of work, time-consuming very uneconomical, though back method operation is simpler, but when beginning needs nut is inserted earlier fixedly in the cave, because fixedly the cave needs than nut more greatly, when lock bolt, the nut side is fixedly forming the gap in the cave, causes the bolt side not lock, especially because the variation of gas, the mat formation expansion and the contraction on face road surface, also can make nut and fixedly frictional force decay between the cave, its result can make lock bolt extract, and is therefore very undesirable, and this part fixed structure be pane and the fixing face contact friction force between the cave, this retention force is little can't to be used than the fixing of hard intensity need.
The purpose of this utility model is to provide a kind of fixing, device that can improve above-mentioned shortcoming, and its advantage is that fixing and bonding force by force, is not subjected to temperature change and loosening extracting, and is easy to operate.
The purpose of this utility model is to realize like this, a kind of fixing device includes the lock bolt eccentric nut, pad, hold-doun nut, wherein the lock bolt centre is provided with a flange, its flange bottom is for forming the stationary axle that the termination is provided with screw thread, flange top is that the termination is provided with swivel head, full top is provided with the installation shaft of screw thread, it is characterized in that being provided with a top elastic cylindrical body and a bottom elastic cylindrical body at the stationary axle place of lock bolt bottom, on, following elastic cylindrical body center is provided with the through hole that can insert lock bolt, last elastic cylindrical body upper-end surface is a plane, upper-end surface at the lower end surface of last elastic cylindrical body and following elastic cylindrical body is provided with the plane of inclination, and this two plane of inclination Zhe that is complementary closes.The eccentric nut that has eccentric screwhole is screwed together on the screw thread of lock bolt lower end.
Install on the stationary axle with lock bolt when the fixing device of said structure is used, insert one behind bottom elastic cylindrical body and the eccentric nut fixedly in the cave, swivel head rotational lock bolt with the lock bolt termination, eccentric nut is because its tapped hole position off-centre, make its unlikely formation gap in fixing cave, and along with the rising of when rotation locking eccentric nut, the bottom elastic cylindrical body also can rise, and the upper-end surface of top elastic cylindrical body compresses because of being subjected to flange, structure by the plane of inclination, can make the top elastic cylindrical body cause off-centre along tilted slideway, thereby the top elastic cylindrical body is crimped on fixedly in the cave, and owing to from the compressive force of top elastomer is expanded (heavy caliberization), and its outer circumferential face all compresses close work and is engaged in fixedly cave.Therefore, surface of contact is greatly increased than original eccentric nut, friction strengthens, not only can't extract and can bear than hard intensity fixing and lock bolt, and because of the expansion of road surface side due to the temperature change, also shrink since the elastic reaction of two elastic cylindrical bodies will it absorption, oppressive friction decays; The installation shaft with screw of this fixing device first half then need only just can conveniently be stablized fixation solidly and be fixed with a hold-doun nut.
The utility model has the advantages that retention force is strong, good stability, easy and simple to handle, the no frequent situation that is pulled out, and can prevent really that counter-rotating from screwing out phenomenon.
With embodiment and accompanying drawing structure of the present utility model is further narrated below.
Description of drawings
Fig. 1 is an exploded view of the present utility model;
Fig. 2 is an overall structure schematic representation of the present utility model;
Fig. 3 is the plan view of eccentric nut;
Fig. 4 is formed at schematic representation in the cave for the rotary part with lock bolt;
Fig. 5 is used for fixing the utility model the schematic representation of thing;
Fig. 6 swivel head is the embodiment in the hole.
By shown in Fig. 1-5 as seen, the fixing device 1 of present embodiment includes lock bolt 8, eccentric nut 6, pad 14, hold-doun nut 13, wherein lock bolt 8 centre are provided with a flange 9, flange 9 bottoms are for forming the stationary axle 10 that the termination is provided with screw thread 10a, and the top of flange 9 is that the termination is provided with square swivel head 12, top is provided with the installation shaft 11 of screw thread 11a entirely.Be provided with a top elastic cylindrical body 2, one bottom elastic cylindrical bodies 4 at stationary axle 10 places, cylindrical body 2,4 is made by the rubber-like polyurethane resin, and both external diameters equate that its center is equipped with hole 2a, the 4a that can lead to bolt 8.The upper-end surface of last cylindrical body is plane 2b, the lower end surface is the plane of inclination 3 that is provided with as taxiway, the lower end surface of following cylindrical body 4 is plane 4b, the upper-end surface is provided with the plane of inclination 5 with 3 same tilt angles, above-mentioned plane of inclination, in the lower end of lock bolt 8, be provided with one with the contacted pad 14 of lower end surface 4b, and and these bed course 14 contacted eccentric nuts 7, this nut 7 is provided with eccentric threaded bore 7, and eccentric nut as shown in Figure 3, also can be an end and is most advanced and sophisticated shape.
By Fig. 4, shown in 5 as seen in use, the first fixing cave 18 of excavation one on stationary plane, in this cave, will go up, bottom elastic cylindrical body 2,4, eccentric nut 6 integrated integral body are inserted (Fig. 4), utilize the tight bolt 8 of rotary part 12 locking pins, this moment is because wobbler action is prevented from eccentric nut 6 back-out of reversing in fixing cave 18, nut 6 rotates up, with under cylindrical body 4 rise along arrow a direction, because last cylindrical body 2 is subjected to the restriction of flange 9, and can only along plane of inclination taxiway 8 while sliding off-centre, and force it to expand laterally, and lock bolt 8 be fixed in the cave 18 with this crimping (adherence) effect from pressurized up and down.As seen by shown in Figure 5, fixation 19 can be fixed easily by the installation shaft 11 usefulness hold-doun nuts 13 of lock bolt 8.
In addition for the ease of operation, also can on upper and lower elastic cylindrical body 2,4, be provided with whole joint 16, this joint that connects and can be a common structure that forms and learn from each other by exchanging views out easily together, the utility model does not give detail design to this joint, and this joint 16 also might not need.
In addition, in order to use needs, the swivel head 12 of the stationary axle 11 of lock bolt 8 can be square swivel head 12 (see figure 1)s of being located in the 11a of installation shaft termination sometimes.
Claims (4)
1, a kind of fixing device includes the lock bolt eccentric nut, pad, hold-doun nut, wherein the lock bolt centre is provided with a flange, its flange bottom is for forming the stationary axle that the termination is provided with screw thread, flange top is that the termination is provided with swivel head, full top is provided with the installation shaft of screw thread, it is characterized in that being provided with a top elastic cylindrical body and a bottom elastic cylindrical body at the stationary axle place of lock bolt bottom, on, following elastic cylindrical body center is provided with the through hole that can insert lock bolt, last elastic cylindrical body upper-end surface is a plane, upper-end surface at the lower end surface of last elastic cylindrical body and following elastic cylindrical body is provided with the plane of inclination, and this two plane of inclination Zhe that is complementary closes.The eccentric nut that has eccentric screwhole is screwed together on the screw thread of lock bolt lower end.
2, by the described fixing device of claim 1, it is characterized in that the upper and lower part elastic cylindrical body is the cylindrical body of polyurethane resin.
3, by the described fixing device of claim 1, it is characterized in that eccentric nut is the nut that an end is most advanced and sophisticated shape.
4, by the described fixing device of claim 1, it is characterized in that the lock bolt swivel head is a square, it is arranged in the hole of stationary axle termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212324 CN2222825Y (en) | 1995-06-02 | 1995-06-02 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212324 CN2222825Y (en) | 1995-06-02 | 1995-06-02 | Fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2222825Y true CN2222825Y (en) | 1996-03-20 |
Family
ID=33862553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95212324 Expired - Fee Related CN2222825Y (en) | 1995-06-02 | 1995-06-02 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2222825Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566557A (en) * | 2019-09-18 | 2019-12-13 | 田维伟 | Novel expansion bolt |
| CN114232454A (en) * | 2021-12-28 | 2022-03-25 | 中国港湾工程有限责任公司 | Bailey frame and hoisting construction method thereof |
-
1995
- 1995-06-02 CN CN 95212324 patent/CN2222825Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566557A (en) * | 2019-09-18 | 2019-12-13 | 田维伟 | Novel expansion bolt |
| CN114232454A (en) * | 2021-12-28 | 2022-03-25 | 中国港湾工程有限责任公司 | Bailey frame and hoisting construction method thereof |
| CN114232454B (en) * | 2021-12-28 | 2024-04-05 | 中国港湾工程有限责任公司 | Bailey frame and hoisting construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |