CN202023815U - Fastening structure for assembling bolts - Google Patents
Fastening structure for assembling bolts Download PDFInfo
- Publication number
- CN202023815U CN202023815U CN2011201337620U CN201120133762U CN202023815U CN 202023815 U CN202023815 U CN 202023815U CN 2011201337620 U CN2011201337620 U CN 2011201337620U CN 201120133762 U CN201120133762 U CN 201120133762U CN 202023815 U CN202023815 U CN 202023815U
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- mounting hole
- assembling
- bolt
- mounting
- fastening structure
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Abstract
The utility model provides a fastening structure for assembling bolts, belongs to the technical field of machinery, and resolves the problems that existing fastening faces connected through bolts are all arranged on outer sides of two connection bodies, and accordingly assembling is unstable, and working effect is easily affected by vibration. The fastening structure for assembling the bolts comprises a machine frame, a mounting piece and a bolt. The machine frame is provided with a mounting part which is provided with a mounting hole number one. The mounting piece is provided with a connection part which is provided with a mounting hole number two. The bolt coaxially penetrates through the mounting hole number one and the mounting hole number two and forms fixed connection. The bolt is provided with annular steps, and step surfaces of the annular steps penetrate out of the machine frame and abut against the lateral side of the mounting piece. The fastening structure for assembling the bolts changes the fact that traditional fastening faces connected through the bolts are all arranged on outer sides of two mounting pieces, and directly and respectively reclines to the two lateral sides of the mounting piece to locate; thereby eliminating instability of the mounting piece caused by vibration of the mounting piece, simplifying mounting process and improving effect.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of fastening structure, particularly a kind of assembling bolt fastening structure.
Background technique
In machine-building and producing, bolton is connected in the machinery assembling and general and indispensable Placement and link, so the reliability and stability of its interconnect function has determined the working stability of mechanical device, equipment etc., may directly have influence on quality of product, working efficiency and productivity effect etc. thus.
Traditional bolt comprises head and screw rod, usually screw rod is the cylindrical of diameter equalization, after bolt wears support and assembling set, by fastening the support that wears is connected one with assembling set because fastening two outsides of sparing at support and assembling set of fastening back bolt, nut, so the time support assembling set is played the positioning supports effect, but there is the gap that is difficult to elimination between the mutual abutment face of support and assembling set, if stent size is excessive, then installation is not steady, easily produces vibration; If stent size is too small, then can cause assembling set that difficulty is installed, therefore higher to the smooth required precision of support attachment face, need behind casting, carry out secondary operations, cause the higher cost expense.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, proposed a kind of by setting up the scala media tread so that provide the location faying surface to eliminate the assembling bolt fastening structure of vibration.
The purpose of this utility model can realize by following technical proposal: a kind of assembling bolt fastening structure, comprise frame, assembling set and bolt, described frame has the assembly department of offering mounting hole one, described assembling set has the joint of offering mounting hole two, it is characterized in that, described bolt is coaxial to wear above-mentioned mounting hole one with mounting hole two and form and be connected, and described bolt has circular step, and the terrace of circular step passes above-mentioned frame and is resisted against the side of assembling set.
Bolt comprises head and screw rod in this assembling bolt fastening structure, and screw rod is the stepped of rotary type, and the thicker end of its diameter head that is connected, and the external diameter of head is greater than screw diameter.Screw bolt passes frame, assembling set, the smooth outside that is connected in frame of its head in turn, the smooth outside that is connected in assembling set of its circular step, its screw rod end passes assembling set and location, bolt is connected frame and assembling set thus and since fastening assembling rear bay and assembling set do not have direct veneer against, and by circular step and assembling set against coming the location and installation part, thereby eliminate the fit up gap between assembling set and the locating face, improve the stability after assembling set assembles.
In above-mentioned assembling bolt fastening structure, an end of described bolt has outside thread, and this end nut that has been threaded.Attacking than the smalls end of the stepped screw rod of bolt is provided with screw thread, just frame and assembling set worn after bolts and nuts connect to be located by connecting.
In above-mentioned assembling bolt fastening structure, the diameter of described mounting hole one is greater than the diameter of mounting hole two.Bolt wears mounting hole one, mounting hole two successively by the screw rod end, so the thicker ladder section of screw rod is located in the mounting hole one, its thinner ladder section is located in the mounting hole two, and end passes mounting hole two.
In above-mentioned assembling bolt fastening structure, the external diameter of described circular step is greater than the diameter of mounting hole two.The ladder section that screw rod is thicker can't wear the mounting hole two less than its external diameter, thus the flat circumferential lateral surface of circular step to terrace and mounting hole two lean, thereby the circular step of bolt and assembling set form smooth clamping.
Compared with prior art, the circular step that this assembling bolt fastening structure utilizes the bolt middle part to be provided with provides fastening of assembling set assembling, changed fastening the outside that all is positioned at two assembling sets of conventional bolt, and directly to the location that all directly reclines, the bi-side of assembling set, thereby eliminated the unstability that assembling set produces because of vibration, simplify linkage editor, improved action effect.
Description of drawings
Fig. 1 is the plan cross-section structural representation of this assembling bolt fastening structure.
Among the figure, 1, frame; 1a, mounting hole one; 2, assembling set; 2a, mounting hole two; 3, bolt; 3a, circular step; 4, nut.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this assembling bolt fastening structure comprises frame 1, assembling set 2 and bolt 3.
Frame 1 periphery is evenly equipped with some assembly departments, offer mounting hole one 1a on the assembly department, the assembly department of the corresponding frame 1 of assembling set 2 peripheries is provided with some joints, offer mounting hole two 2a on the joint, and the diameter of mounting hole one 1a is greater than the diameter of mounting hole two 2a, when joint corresponding with assembly department stacked after, mounting hole two 2a and mounting hole one 1a on it are the coaxial communication setting.
Frame 1 is positioned on the ground, and assembling set 2 is positioned on the frame 1, and the joint that makes assembling set 2 and the assembly department of frame 1 to be the position corresponding, thereby mounting hole two 2a and mounting hole one 1a coaxial communication.The screw rod end of bolt 3 is worn mounting hole one 1a, mounting hole two 2a from the bottom to top successively, the smooth outside that is connected in frame 1 of the head of bolt 3 in turn thus, thick section screw rod is arranged in mounting hole one 1a, and its circular step 3a stretches out mounting hole one 1a, can't wear into mounting hole two 2a because of circular step 3a simultaneously, so its flat circumferential lateral surface that is resisted against mounting hole two 2a to terrace, be that circular step 3a and assembling set 2 form smooth clamping, the thin segment screw rod is located in mounting hole two 2a, and its end passes the mounting hole two 2a nut 4 that is threaded.After installing, bolt 3 is connected frame 1 and assembling set 2, and bolt 3 by circular step 3a and assembling set 2 against coming location and installation part 2, thereby it is fastening that the bi-side of assembling set 2 are all leaned, and improved the stability after assembling set 2 assembles.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used frame 1 morely; Mounting hole one 1a; Assembling set 2; Mounting hole two 2a; Bolt 3; Circular step 3a; Nut 4 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (4)
1. assembling bolt fastening structure, comprise frame (1), assembling set (2) and bolt (3), described frame (1) has the assembly department of offering mounting hole one (1a), described assembling set (2) has the joint of offering mounting hole two (2a), it is characterized in that, the coaxial above-mentioned mounting hole one (1a) that wears of described bolt (3) is connected with mounting hole two (2a) and formation, described bolt (3) has circular step (3a), and the terrace of circular step (3a) passes above-mentioned frame (1) and is resisted against the side of assembling set (2).
2. assembling bolt fastening structure according to claim 1 is characterized in that, an end of described bolt (3) has outside thread, and this end nut (4) that has been threaded.
3. assembling bolt fastening structure according to claim 1 and 2 is characterized in that, the diameter of described mounting hole one (1a) is greater than the diameter of mounting hole two (2a).
4. assembling bolt fastening structure according to claim 1 and 2 is characterized in that, the external diameter of described circular step (3a) is greater than the diameter of mounting hole two (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201337620U CN202023815U (en) | 2011-04-29 | 2011-04-29 | Fastening structure for assembling bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201337620U CN202023815U (en) | 2011-04-29 | 2011-04-29 | Fastening structure for assembling bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023815U true CN202023815U (en) | 2011-11-02 |
Family
ID=44848765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201337620U Expired - Fee Related CN202023815U (en) | 2011-04-29 | 2011-04-29 | Fastening structure for assembling bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174722A (en) * | 2013-04-03 | 2013-06-26 | 中国兵器工业集团第七0研究所 | Positioning bolt |
| CN105020230A (en) * | 2015-07-13 | 2015-11-04 | 苏州柏德纳科技有限公司 | Connecting rod |
| CN107910285A (en) * | 2017-12-25 | 2018-04-13 | 新阳硅密（上海）半导体技术有限公司 | Fluid flow control system and conveying equipment for fluid substances |
-
2011
- 2011-04-29 CN CN2011201337620U patent/CN202023815U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174722A (en) * | 2013-04-03 | 2013-06-26 | 中国兵器工业集团第七0研究所 | Positioning bolt |
| CN105020230A (en) * | 2015-07-13 | 2015-11-04 | 苏州柏德纳科技有限公司 | Connecting rod |
| CN107910285A (en) * | 2017-12-25 | 2018-04-13 | 新阳硅密（上海）半导体技术有限公司 | Fluid flow control system and conveying equipment for fluid substances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140429 |