CN203792271U - Threaded fastening device - Google Patents
Threaded fastening device Download PDFInfo
- Publication number
- CN203792271U CN203792271U CN201420155765.8U CN201420155765U CN203792271U CN 203792271 U CN203792271 U CN 203792271U CN 201420155765 U CN201420155765 U CN 201420155765U CN 203792271 U CN203792271 U CN 203792271U
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- CN
- China
- Prior art keywords
- connecting rod
- sleeve
- fastening device
- threaded fastening
- gear
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a threaded fastening device which comprises a sleeve, a connecting rod, a support, a positioning frame, a gear and a rack. Profile of the inner wall of the sleeve is coincident with circumferential profile of the head of a multiangular nut or a multiangular head bolt to enable the sleeve to be closely arranged on the head of the multiangular nut or the multiangular head bolt in a sleeved manner, the lower end of the connecting rod is vertically connected on the upper portion of the sleeve, the support is used for supporting the connecting rod, the connecting rod is rotatably arranged on the support, the positioning frame is arranged on one side of the support, the upper end of the connecting rod is rotatably arranged on the positioning frame, the gear is arranged on the outer wall of the sleeve in a sleeved manner and used for driving the sleeve to rotate, and the rack is movably arranged on the positioning frame along the length direction and meshed with the gear to move along the length direction when the end portion is impacted so as to drive the gear to rotate. The threaded fastening device is a brand-new light special tool for fastening and demounting of hexagonal head bolts and hexagonal nuts in narrow spaces, and maintaining and mounting accuracy and operating efficiency of equipment can be improved.
Description
Technical field
The utility model relates to the fastening and dismantling technology field of the securing members such as bolt, nut, particularly a kind of threaded fastening device for hexagon-headed bolt, hex nut.
Background technology
At present, along with scientific and technological development, a lot of industrial equipment volumes are increasing, parts are more and more, assembly precision is more and more higher, main equipment often needs a large amount of parts to connect by screw thread, so the pretension degree of screw thread in connection procedure become the key factor that affects equipment quality.And in device assembles and installation process, some regional spaces of industrial equipment are comparatively narrow and small, existing erecting tools is because operating space is larger, and the effect that is difficult to bring into normal play, causes threaded pre-tightening power not enough, affects equipment operation.Meanwhile, also difficulty comparatively when the dismounting bolt of small space or nut.Therefore, need at present a kind of threaded fastening device fastening at narrow space or dismounting hexagon-headed bolt, hex nut that is suitable for.
Utility model content
The purpose of this utility model is to provide a kind of threaded fastening device, with solve small space internal thread pretension degree that prior art exists not, the problem that is difficult to dismounting.
In order to address the above problem, the utility model provides a kind of threaded fastening device, and its technical scheme is as follows:
A threaded fastening device, comprising: sleeve, and the circumference profile of the profile of inwall and polygonal nut or polygonal hook bolt head is coincide, to be set in closely on polygonal nut or polygonal hook bolt head; Connecting rod, lower end is connected in the top of described sleeve vertically; Support, is used to described connecting rod to provide support, and described connecting rod is located on described support rotationally; Locating rack, is located at a side of described support, and the upper end of described connecting rod is located on described locating rack rotationally; Gear, is sheathed on described sleeve outer wall, for driving described sleeve to rotate; Tooth bar, is located on described locating rack along its length movably, while impacting to receive in end with described gear engagement, moves along its length, thereby drives described gear to rotate.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described sleeve and described connecting rod be for removably connecting so that change the sleeve of different size, described polygonal be hexagonal.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described support comprises supporting leg and top board, and described top board is fixed on the top of described supporting leg, and described supporting leg is distributed in described sleeve around, and described connecting rod is through the central region of described top board.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described locating rack comprises connecting rod and lower link, the upper end of described connecting rod is located at one end of described upper connecting rod rotationally, one end of described lower link is fixed on described upper connecting rod, the other end of described lower link is provided with gathering sill, and described tooth bar embeds in described gathering sill movably.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described upper connecting rod is horizontally disposed with, and described lower link vertically arranges, and described upper connecting rod is " fourth " font and is connected with lower link.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the top of described connecting rod is arranged with an annular slab, the upper surface of described connecting rod is provided with a cover plate, the end of described upper connecting rod is provided with a collar, and the described collar is sheathed on the top of described connecting rod and between described annular slab and cover plate.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described cover plate is fixed on the upper surface of described connecting rod by a bolt.
In a kind of preferred embodiment of above-mentioned threaded fastening device, described connecting rod is provided with bearing through the position of described top board, to reduce the friction between described connecting rod and top board.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the upper end of described sleeve is fixed with a connecting cylinder, and the inwall of described connecting cylinder is prismatic, and the bottom of described connecting rod is prismatic, and the inwall of described connecting cylinder is inserted in the bottom of described connecting rod.
In a kind of preferred embodiment of above-mentioned threaded fastening device, the other end of described lower link is provided with the guide plate that two directions to described gear are protruded, and the space between two described guide plates forms described gathering sill.
Analyze known, fastening and the dismounting of the hexagon-headed bolt that the utility model is small space, hex nut provides a kind of brand-new lightweight specific purpose tool, it can improve the pretension degree of screw thread, reduce labour intensity, raise labour efficiency, and then improve maintenance and installation accuracy and the operating efficiency of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is sleeve, the gear of the utility model preferred embodiment, the plan structure schematic diagram of tooth bar.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As Fig. 1, its shown the utility model preferred embodiment mainly comprises sleeve 1, gear 21, tooth bar 22, support 3, connecting rod 5, locating rack 6 etc.
Particularly, the profile of the inwall of sleeve 1 (as shown in phantom in Figure 2) coincide with the circumference profile of hexagon-headed bolt 7 heads or hex nut, to be set in closely on hex nut or hexagon-headed bolt 7 heads.Connecting rod 5 vertically arranges, and its lower end is connected in the upper surface of sleeve 1 vertically by connecting cylinder 11.Support 3 is used to connecting rod 5 to provide support, and connecting rod 5 is located on support 3 rotationally by bearing 4.Locating rack 6 is located at a side of support 3, and the upper end of connecting rod 5 is located on locating rack 6 rotationally.As shown in Figure 1 and Figure 2, gear 21 is sheathed on sleeve 1 outer wall, for drive sleeve 1, rotates.Tooth bar 22 is located on locating rack 6 along its length movably, while impacting to receive in end with gear 21 engagements, move horizontally along its length, thereby driven wheel 21 rotates.
During application, in the narrow space by support 3 as for equipment, sleeve 1 is enclosed within the head of hexagon-headed bolt 7, then in larger space externally, with hammer, knock one end of tooth bar 22, tooth bar 22 driven gears 21 are rotated, thereby hexagon-headed bolt 7 is carried out to fastening or dismounting.
For the hexagon-headed bolt 7 of can be fastening, dismantling all kinds of specifications, sleeve 1 also should have plurality of specifications, further, mates the sleeve 1 of plurality of specifications in order to make this preferred embodiment be convenient to, sleeve 1 and connecting rod 5 are for removably connecting, so that change the sleeve 1 of different size.More preferably, as shown in Figure 1 and Figure 2, the upper end of sleeve 1 is fixed with a connecting cylinder 11, the inwall of connecting cylinder 11 is prismatic (with reference to the square shown in figure 2), the bottom of connecting rod 5 is prismatic, the inwall of connecting cylinder 11 is inserted in the bottom of connecting rod 5, not only avoids rotating between connecting cylinder 11 and connecting rod 5, and can fast, simply change sleeve 1.
In this preferred embodiment, support 3 comprises supporting leg 31 and top board 32, and top board 32 is fixed on the top of supporting leg 31, and supporting leg 31 is distributed in sleeve 1 around, and connecting rod 5 is through the central region of top board 32.And the position of passing top board 31 at top board 31 upper connecting rods 5 is provided with bearing 4, and when connecting rod 5 rotates, bearing 4 can reduce the friction between connecting rod 5 and top board 32.
As Fig. 1, the locating rack 6 of this preferred embodiment comprises connecting rod 61 and lower link 62, the upper end of connecting rod 5 is located at one end of connecting rod 61 rotationally, one end of lower link 62 is fixed on connecting rod 61, the other end of lower link 62 is provided with gathering sill 620, and tooth bar 22 levels embed in gathering sill 620 movably.More preferably, upper connecting rod 61 is horizontally disposed with, and lower link 62 vertically arranges, and upper connecting rod 61 is " fourth " font with lower link 62 and is connected.
In order to realize being rotatably connected between connecting rod 5 and upper connecting rod 61, the top of connecting rod 5 is arranged with an annular slab 51, and the upper surface of connecting rod 5 is provided with a cover plate 52, and the middle part of this cover plate 52 is fixed on the upper surface of connecting rod 5 by a bolt 53.The end of upper connecting rod 61 is provided with its structure of collar 610(and is also similar to a short tube), the collar 610 is sheathed on the top of connecting rod 5 and between annular slab 51 and cover plate 52.
Above-mentioned for holding the gathering sill 620 of tooth bar 22 in order to form, as Fig. 1, the space that the other end of lower link 62 is provided with between 621, two guide plates 621 of guide plate that two directions to gear 21 protrude forms gathering sill 620.
The detailed operating procedure of this preferred embodiment is as follows:
First, select the sleeve 1 of suitable specification, sleeve 1 is connected with locating rack 6 by connecting rod 5, and sleeve 1 is enclosed within on the hexagon-headed bolt 7 that is positioned at small space.
Then, tooth bar 22 is placed in the gathering sill 620 of lower link 62, and meshes with the gear 21 of sleeve 1 outside.
Finally, in spacious space, with hand hammer, knock tooth bar 22 one end, its driven gear 21 is rotated, thereby hexagon-headed bolt 7 is carried out to fastening or dismounting.
Although the head of nut or bolt of take in above embodiment has hexagonal to be illustrated as example, can be that five jiaos, anise are even more etc. according to actual conditions, now only need to be changed accordingly the inner wall shape of sleeve.In addition, as bolt, be preferably M8～M24.
To sum up, the utility model can be fastening in narrow space, demounting bolt or nut, can improve the pretension degree of screw thread, improves maintenance and installation accuracy and the operating efficiency of equipment; And simple in structure, flexible operation, can promote the use of on a large scale.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.All changes within the scope of the utility model or within being equal to scope of the present utility model are all included in the utility model.
Claims (10)
1. a threaded fastening device, is characterized in that, comprising:
Sleeve, the circumference profile of the profile of inwall and polygonal nut or polygonal hook bolt head is coincide, to be set in closely on polygonal nut or polygonal hook bolt head;
Connecting rod, lower end is connected in the top of described sleeve vertically;
Support, is used to described connecting rod to provide support, and described connecting rod is located on described support rotationally;
Locating rack, is located at a side of described support, and the upper end of described connecting rod is located on described locating rack rotationally;
Gear, is sheathed on described sleeve outer wall, for driving described sleeve to rotate;
Tooth bar, is located on described locating rack along its length movably, while impacting to receive in end with described gear engagement, moves along its length, thereby drives described gear to rotate.
2. threaded fastening device according to claim 1, is characterized in that, described sleeve and described connecting rod be for removably connecting so that change the sleeve of different size, described polygonal be hexagonal.
3. threaded fastening device according to claim 1, it is characterized in that, described support comprises supporting leg and top board, and described top board is fixed on the top of described supporting leg, described supporting leg is distributed in described sleeve around, and described connecting rod is through the central region of described top board.
4. threaded fastening device according to claim 1, it is characterized in that, described locating rack comprises connecting rod and lower link, the upper end of described connecting rod is located at one end of described upper connecting rod rotationally, one end of described lower link is fixed on described upper connecting rod, the other end of described lower link is provided with gathering sill, and described tooth bar embeds in described gathering sill movably.
5. threaded fastening device according to claim 4, is characterized in that, described upper connecting rod is horizontally disposed with, and described lower link vertically arranges, and described upper connecting rod is " fourth " font and is connected with lower link.
6. threaded fastening device according to claim 4, it is characterized in that, the top of described connecting rod is arranged with an annular slab, the upper surface of described connecting rod is provided with a cover plate, the end of described upper connecting rod is provided with a collar, and the described collar is sheathed on the top of described connecting rod and between described annular slab and cover plate.
7. threaded fastening device according to claim 6, is characterized in that, described cover plate is fixed on the upper surface of described connecting rod by a bolt.
8. threaded fastening device according to claim 3, is characterized in that, described connecting rod is provided with bearing through the position of described top board, to reduce the friction between described connecting rod and top board.
9. threaded fastening device according to claim 2, it is characterized in that, the upper end of described sleeve is fixed with a connecting cylinder, and the inwall of described connecting cylinder is prismatic, the bottom of described connecting rod is prismatic, and the inwall of described connecting cylinder is inserted in the bottom of described connecting rod.
10. threaded fastening device according to claim 4, is characterized in that, the other end of described lower link is provided with the guide plate that two directions to described gear are protruded, and the space between two described guide plates forms described gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155765.8U CN203792271U (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155765.8U CN203792271U (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792271U true CN203792271U (en) | 2014-08-27 |
Family
ID=51374537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155765.8U Withdrawn - After Issue CN203792271U (en) | 2014-04-01 | 2014-04-01 | Threaded fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950013A (en) * | 2014-04-01 | 2014-07-30 | 莱芜钢铁集团有限公司 | Thread fastening device |
-
2014
- 2014-04-01 CN CN201420155765.8U patent/CN203792271U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950013A (en) * | 2014-04-01 | 2014-07-30 | 莱芜钢铁集团有限公司 | Thread fastening device |
| CN103950013B (en) * | 2014-04-01 | 2015-08-19 | 莱芜钢铁集团有限公司 | Threaded fastening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |