CN113931915A - A bolt for active connection - Google Patents
A bolt for active connection Download PDFInfo
- Publication number
- CN113931915A CN113931915A CN202010666856.8A CN202010666856A CN113931915A CN 113931915 A CN113931915 A CN 113931915A CN 202010666856 A CN202010666856 A CN 202010666856A CN 113931915 A CN113931915 A CN 113931915A
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- CN
- China
- Prior art keywords
- bolt
- boss
- limiting
- bolt body
- thread
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
本发明涉及螺栓技术领域，具体涉及一种用于活动连接的螺栓，包括金属质的螺栓本体，螺栓本体的一端设有限制螺栓本体该侧端部轴向位置的限位凸台，螺栓本体的另一端设有螺纹，螺纹处设有螺母，限位凸台与螺纹处间为螺栓本体的圆柱形的连接部，连接部与螺纹处相接的端部设有控制连接部处在轴向上的配合间隙的限位板，连接部上对应处设有配合限位板的连接结构，连接结构的宽度不大于限位板的厚度，连接部处套设有高强度塑料质的连接套，限位凸台内侧设有定位凸台，定位凸台的表面设有使螺栓本体保持与该处连接物的运动状态一致的定位结构，结构简单，连接配合的精度高，连接性能可靠，具有较长的使用寿命。
The invention relates to the technical field of bolts, in particular to a bolt used for movable connection, comprising a metal bolt body, one end of the bolt body is provided with a limiting boss for limiting the axial position of the side end of the bolt body, and the bolt body is The other end is provided with a thread, the thread is provided with a nut, a cylindrical connection part of the bolt body is formed between the limiting boss and the thread, and the end of the connection part connected to the thread is provided with a control connection in the axial direction. The limit plate with the matching clearance, the connecting part is provided with a connecting structure matching the limit plate, the width of the connecting structure is not greater than the thickness of the limit plate, and the connecting part is sleeved with a high-strength plastic connecting sleeve to limit the The inner side of the positioning boss is provided with a positioning boss, and the surface of the positioning boss is provided with a positioning structure that keeps the bolt body consistent with the movement state of the connecting object. service life.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a bolt for movable connection.
Background
An articulating connection is a connection where one component part can remain in relative motion after being connected to another component part. The movable connection can be realized by connecting shafts, hinging connection, hinge connection and the like. All there is the inconvenient drawback of connection operation among the foretell connected mode, for example, the back is connected to the connecting axle, need carry on spacingly to the tip of connecting axle, avoids the connecting axle to deviate from, and the tip of connecting axle is spacing to adopt the pin, and the fixed unreliable of pin comes off easily. For quick connection operation, can adopt the bolt to carry out swing joint, bolt and bolt hole clearance fit, the nut carries out axial spacing, but in the operation of reality, the tightness of being connected of nut and bolt has very big influence to swing joint's effect, nut locking can lead to axial locking force too big, cause the activity of circumference to be effective, the nut does not lock then leads to the nut to drop easily, lead to connecting failure, therefore, need optimize the structure of nut, make and to realize swing joint, so that the operation is convenient for.
Disclosure of Invention
The invention aims to solve the technical problem of providing a bolt for movable connection, which has the advantages of simple structure, convenient connection operation, high precision of connection and matching, reliable connection performance and longer service life.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a bolt for movable connection comprises a metallic bolt body, wherein one end of the bolt body is provided with a limit boss for limiting the axial position of the end part at the side of the bolt body, the other end of the bolt body is provided with a thread, a nut is arranged at the thread, a cylindrical connecting part of the bolt body is arranged between the limit boss and the thread, a limit plate for controlling the axial fit clearance of the connecting part is arranged at the end part where the connecting part is connected with the thread, a connecting structure for matching the limit plate is arranged at the corresponding part on the connecting part, the width of the connecting structure is not more than the thickness of the limit plate, a connecting sleeve made of high-strength plastic is sleeved at the connecting part, a positioning boss is arranged at the inner side of the limit boss, the maximum size of the limit boss is larger than that of the positioning boss, and the surface of the positioning boss is provided with a positioning structure for keeping the bolt body consistent with the motion state of the connecting object at the position, the limiting structure which is convenient for circumferential force application to the bolt body is arranged at the end face of the outer side of the limiting boss.
Furthermore, the end face of the inner side of the positioning boss is connected with the connecting part, the positioning boss is prism-shaped, the center line of the positioning boss, the center line of the limiting boss and the axis line of the bolt body are on the same straight line, and the surface of the positioning boss forms the positioning structure.
Furthermore, the limiting boss is in a circular truncated cone shape.
Furthermore, the connection structure be for seting up the connection round platform of the department that corresponds on connecting portion, the axial lead of connecting round platform axial lead and connecting portion is in on the same straight line, and the width of connecting the round platform is less than the thickness of limiting plate, the limiting plate on be equipped with and connect round platform interference fit's connecting hole, set up mode limiting plate pivoted incision parallel slot on the outer peripheral face of connecting the round platform, the structure of connecting hole and the outer peripheral face structure cooperation of connecting the round platform.
Furthermore, the limiting structure is a cross-shaped counter bore arranged on the end face of the limiting boss.
Furthermore, the limiting structure is a linear protrusion arranged on the end face of the limiting boss.
Furthermore, the length of the connecting sleeve is not more than that of the connecting part.
Furthermore, the connecting sleeve is of a step-shaped structure.
Further, the outer diameter of the connecting part is larger than that of the thread.
The invention has the beneficial effects that: by adopting the scheme, the bolt has better movable connection performance, the use operation is simple and rapid, the connection precision in the axial direction of the bolt is high, better fit clearance can be ensured, the nut only plays a role in preventing the limiting plate from being separated, the axial connection is enhanced, the tightness of the nut does not influence the axial fit precision of the bolt, the bolt keeps better movable performance, the activity is not influenced, the stress on the bolt is small, the bolt deformation is effectively avoided, the service life is prolonged, the structure of the bolt is simple, and the bolt is convenient to manufacture.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of a bolt according to an embodiment of the present invention.
Fig. 2 is a schematic view of a fitting structure of a bolt and a nut according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a bolt according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a limiting boss in an embodiment of the invention.
Fig. 5 is a schematic structural view of a bolt body according to another embodiment of the present invention.
Fig. 6 is a schematic cross-sectional structure of a bolt according to another embodiment of the present invention.
Wherein: the bolt comprises a bolt body 1, a limiting boss 11, a thread 12, a connecting part 13, a connecting circular truncated cone 14, a notch flat groove 141, a positioning boss 15, a nut 2, a limiting plate 3, a connecting sleeve 4, a first part 5 and a second part 6.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: referring to fig. 1-3, a bolt for movable connection, which comprises a metallic bolt body 1, the left end of the bolt body 1 is a truncated cone-shaped limiting boss 11 for limiting the axial position of the side end of the bolt body, the right end of the bolt body 1 is provided with a thread 12, a nut 2 is arranged at the thread 12, a cylindrical connecting part 13 of the bolt body 1 is arranged between the limiting boss 11 and the thread 12, a limiting plate 3 for controlling the fit clearance of the connecting part in the axial direction is arranged at the end part where the connecting part 13 is connected with the thread 12, a connecting truncated cone 14 for matching with the limiting plate 3 is arranged at the corresponding part on the connecting part 13, the width of the connecting truncated cone 14 is equal to the thickness of the limiting plate 3, the axial lead of the connecting truncated cone 14 and the axial lead of the connecting part 13 are on the same straight line, the center of the limiting plate 3 is provided with a connecting hole 31 which is in interference fit with the connecting truncated cone 14, the outer peripheral surface of the connecting truncated cone 14 is provided with a cut flat groove 141 for preventing the limiting plate 3 from rotating, the structure of the connecting hole 31 is matched with the structure of the outer peripheral surface of the connecting circular truncated cone 14, the number of the cut flat grooves 141 is two, the two cut flat grooves 141 are arranged in parallel, the cut flat grooves 141 effectively prevent the rotation of the limiting plate, so that the limiting plate is kept stable at the connecting platform, the connecting part of the bolt is axially positioned in the connecting and matching way with the sleeve, the inner side of the limiting boss 11 is provided with a hexagonal-prism-shaped positioning boss 15, the inner side end surface of the positioning boss 15 is connected with the left end of the connecting part 13, the outer diameter of the limiting boss 11 is larger than the maximum size of the positioning boss 15, the positioning boss 15 is used for connecting and matching with the first part 5, the corresponding part of the first part 5 is provided with a hexagonal hole matched with the positioning boss 15, the positioning boss 15 is matched with the hexagonal hole, so that the bolt keeps the same motion state with the first part 5, and the first part 5 rotates synchronously, or the static bolt of the first component 5 is kept static synchronously, the inner end face of the limiting boss 11 is in contact with the outer end face of the first component 5 to limit the left end of the bolt axially, the connecting part 13 is used for being movably matched with the second component 6, the second component 6 can be provided with a sleeve which is sleeved on the connecting part 13, so that the connecting area is increased, the stability of the movable fit is improved, the connecting part 13 is sleeved with the connecting sleeve 4 made of high-strength plastic, and the sleeve of the second component 6 is sleeved outside the connecting sleeve 4.
When in use, the bolt is arranged on the first component 5 and the second component 6 in a penetrating way, the positioning boss 15 of the bolt is matched with the hexagonal hole of the first component 5, the connecting part is arranged at the sleeve of the second component 6 in a penetrating way, the thread 12 for connecting the circular truncated cone 14 and the bolt is exposed out of the right side of the sleeve, the limiting plate 3 is circular, the limiting plate 3 is connected at the connecting circular truncated cone 14, and the nut 2 is screwed down, the bolt can realize the movable connection of the first component 5 and the second component 6, after the connection, the first component 5 and the second component 6 can freely rotate, the bolt synchronously rotates along with the rotation of the first component 5, or the bolt synchronously stops along with the first component 5, the rotation of the second component 6 does not influence the bolt, the connecting hole of the limiting plate 3 is matched with the connecting circular truncated cone, the interference fit of the limiting plate and the connecting circular truncated cone can keep the limiting plate immovable on the connecting circular truncated cone and keep the axial position, the bolt is axially limited by matching the connecting part with the sleeve, so that the bolt is stably connected with the second part 6 and the first part 5, the thickness of the limiting plate 3 is equal to that of the connecting round platform, after the limiting plate 3 is installed, the right side of the sleeve is axially limited, the axial matching of the nut connecting part and the sleeve can keep a stable matching gap, the bolt has better precision of movable connection, the movable connection cannot be over-tight or over-loose, the two ends of the bolt are axially limited by the limiting bosses and the limiting plates, the bolt and the sleeve of the second part 6 are well matched by the connecting sleeve in a radial and axial direction, the length of the connecting part is long, the connecting area of the bolt is increased, the strength of the bolt is high, the connecting strength of the bolt in the movable connection of the first part 5 and the second part 6 is effectively ensured, and the connecting reliability is high, the bolt plays a role of a rotating shaft in connection, the bolt has better activity, the axial fit clearance is effectively ensured, the bolt is effectively prevented from loosening, the bolt is prevented from being worn and deformed, the service life is prolonged, the nut is screwed down at the threaded part again, the axial limit is carried out on the outer side of the limiting plate, the reliability of the axial limit is ensured, the stability of the movable connection of the bolt is improved, the outer diameter of the nut is smaller than that of the connecting round platform, the outer diameter of the connecting round platform is smaller than that of the connecting part, the length of the connecting part can be controlled by the length of the notch flat groove, the length of the notch flat groove is consistent with the thickness of the limiting plate, so that the production and the processing are convenient, the limiting of the limiting plate is convenient, the assembly of the limiting plate and the assembly of the nut are convenient, after the limiting plate is assembled in place, the left end surface of the limiting plate is abutted by the step surface between the connecting round platform and the connecting part, the right side terminal surface of limiting plate is in the right flank outside of connecting the round platform, the left end face and the limiting plate right side terminal surface contact of nut, the nut is in screwing up, because too big axial fastening force can not be exerted to the axial of bolt to the effect of limiting plate, the axial fit clearance of bolt obtains abundant assurance, this bolt has better result of use, the adapter sleeve is in connecting portion and sleeve room, the adapter sleeve improves the stability of being connected of bolt and second part 6, in the connection, the atress on the bolt transmits on the adapter sleeve, reduce the power on the bolt, and the adapter sleeve can make more even that the atress distributes on the bolt, in swing joint, avoid the distribution inequality of the ascending atress of bolt axial, effectually avoid the bolt bending, warp, the life of extension bolt.
Referring to fig. 4, the limiting structure convenient for circumferential force application to the bolt body is arranged at the end face of the outer side of the limiting boss 11, the limiting structure is a cross-shaped counter bore formed in the end face of the limiting boss 11, the cross-shaped counter bore can effectively rotate until the bolt, or the bolt is screwed, and operation convenience is improved.
Example 2: in this embodiment, the limiting structure is a hexagon socket formed on the end surface of the limiting boss 11.
Example 3: in this embodiment, the positioning boss is quadrangular, a quadrilateral hole matched with the positioning boss 15 is arranged at a corresponding position of the first component 5, and the quadrilateral hole and the surface of the positioning boss form a positioning structure.
Example 4: referring to fig. 5, in this embodiment, the positioning boss is cylindrical, an inner hole is formed at a corresponding position of the first component 5 to match with the positioning boss 15, the positioning structure is formed by forming a plane groove on an outer peripheral surface of the positioning boss, and correspondingly, a hole wall of the inner hole of the first component 5 is formed with a plane structure matched with the plane groove, so that the positioning boss and the first component 5 are positioned in the circumferential direction.
Example 5: in this embodiment, the limiting structure is a linear protrusion formed on the end surface of the limiting boss.
Example 6: referring to fig. 6, in this embodiment, the adapter sleeve is step-like structure, and the figure of adapter sleeve is two, and the one end of adapter sleeve is equipped with the adapter sleeve boss, connects the platform boss and all outwards, and the effect of adapter sleeve boss lies in avoiding sleeve pipe and limiting plate direct contact, avoids direct contact between first part, the second part, avoids producing degree clearance fit to produce and interferes the influence, and the circumference cooperation precision of adapter sleeve has obtained the injecing, makes full play adapter sleeve's effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666856.8A CN113931915A (en) | 2020-07-13 | 2020-07-13 | A bolt for active connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666856.8A CN113931915A (en) | 2020-07-13 | 2020-07-13 | A bolt for active connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113931915A true CN113931915A (en) | 2022-01-14 |
Family
ID=79273626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666856.8A Pending CN113931915A (en) | 2020-07-13 | 2020-07-13 | A bolt for active connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113931915A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077485A (en) * | 1975-12-31 | 1978-03-07 | Bolt Vehicles, Incorporated | Vehicle battery mounting apparatus |
| US4863329A (en) * | 1988-01-29 | 1989-09-05 | United Technologies Corporation | Resiliently clamped support |
| CN101220827A (en) * | 2007-01-12 | 2008-07-16 | 李英辉 | Un-slipped screw and bottle opener |
| CN202082312U (en) * | 2011-01-13 | 2011-12-21 | 北汽福田汽车股份有限公司 | Control mechanism of clutch |
| CN205423519U (en) * | 2016-03-22 | 2016-08-03 | 合肥联宝信息技术有限公司 | Connecting piece and notebook computer rotate |
| US20160240939A1 (en) * | 2013-02-04 | 2016-08-18 | The Boeing Company | Conductive sleeved fastener assembly |
| CN106246664A (en) * | 2016-07-29 | 2016-12-21 | 同济大学 | A kind of split nested type self-retaining unilateral bolt fastener |
| CN106438644A (en) * | 2016-11-04 | 2017-02-22 | 同济大学 | An eccentric torsional shear failure type self-fixing unilateral bolt fastener |
| CN206874623U (en) * | 2017-06-28 | 2018-01-12 | 徐工集团工程机械股份有限公司科技分公司 | A kind of attachment structure for reducing bolt shear stress |
| CN207245454U (en) * | 2017-08-29 | 2018-04-17 | 比亚迪股份有限公司 | A kind of hovering linkage and include its console handrail |
| CN207762096U (en) * | 2018-01-03 | 2018-08-24 | 北京汽车研究总院有限公司 | A kind of bolt and the vehicle with it |
| CN108571506A (en) * | 2018-06-28 | 2018-09-25 | 同济大学 | A kind of overturning deformation type unilateral bolt fastener equipped with transverse incision |
| CN213064251U (en) * | 2020-07-13 | 2021-04-27 | 黄子源 | Bolt for movable connection |
-
2020
- 2020-07-13 CN CN202010666856.8A patent/CN113931915A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077485A (en) * | 1975-12-31 | 1978-03-07 | Bolt Vehicles, Incorporated | Vehicle battery mounting apparatus |
| US4863329A (en) * | 1988-01-29 | 1989-09-05 | United Technologies Corporation | Resiliently clamped support |
| CN101220827A (en) * | 2007-01-12 | 2008-07-16 | 李英辉 | Un-slipped screw and bottle opener |
| CN202082312U (en) * | 2011-01-13 | 2011-12-21 | 北汽福田汽车股份有限公司 | Control mechanism of clutch |
| US20160240939A1 (en) * | 2013-02-04 | 2016-08-18 | The Boeing Company | Conductive sleeved fastener assembly |
| CN205423519U (en) * | 2016-03-22 | 2016-08-03 | 合肥联宝信息技术有限公司 | Connecting piece and notebook computer rotate |
| CN106246664A (en) * | 2016-07-29 | 2016-12-21 | 同济大学 | A kind of split nested type self-retaining unilateral bolt fastener |
| CN106438644A (en) * | 2016-11-04 | 2017-02-22 | 同济大学 | An eccentric torsional shear failure type self-fixing unilateral bolt fastener |
| CN206874623U (en) * | 2017-06-28 | 2018-01-12 | 徐工集团工程机械股份有限公司科技分公司 | A kind of attachment structure for reducing bolt shear stress |
| CN207245454U (en) * | 2017-08-29 | 2018-04-17 | 比亚迪股份有限公司 | A kind of hovering linkage and include its console handrail |
| CN207762096U (en) * | 2018-01-03 | 2018-08-24 | 北京汽车研究总院有限公司 | A kind of bolt and the vehicle with it |
| CN108571506A (en) * | 2018-06-28 | 2018-09-25 | 同济大学 | A kind of overturning deformation type unilateral bolt fastener equipped with transverse incision |
| CN213064251U (en) * | 2020-07-13 | 2021-04-27 | 黄子源 | Bolt for movable connection |
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