CN2806857Y - Bolt type positioning securing device - Google Patents
Bolt type positioning securing device Download PDFInfo
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- CN2806857Y CN2806857Y CN 200520033964 CN200520033964U CN2806857Y CN 2806857 Y CN2806857 Y CN 2806857Y CN 200520033964 CN200520033964 CN 200520033964 CN 200520033964 U CN200520033964 U CN 200520033964U CN 2806857 Y CN2806857 Y CN 2806857Y
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Abstract
The utility model relates to a screw bolt type positioning and fastening device which is provided with a screw bolt structure body which can be matched with corresponding hole structures arranged on two adjacent positioned and fastened structures which are combined; the screw bolt structure body comprises a head, a tail of which the periphery surface is provided with a fastening screw thread structure and a screw bolt middle part which is arranged between the head and the tail; the screw rod middle part is provided with a tapered section of which the diameter is decrescent towards the tail direction; at least the inner part of the screw bolt matching hole on the first positioned and fastened structure on side in the head direction of the screw bolt is provided with a matching tapered hole with the taper suitable for the tapered section of the screw bolt middle part; at least the inner part of one side hole structure of the connecting part of the screw bolt matching holes of the two positioned and fastened structures being suitable for the tapered top position of the tapered section with small diameter are provided with a transition neck structure with the diameter larger than the diameter of the tapered top. The fastening device has the advantages of simple structure, high precision and good steel connection, can prevent the motion and the looseness in each direction of devices after being fastened and can be disassembled and assembled keeping the precision of the restoration position.
Description
Technical field
The utility model relates to a kind of screw bolt-type positioning and fastening arrangement make two adjacent structures of closing be positioned fastening can realized, but prior applicability but be not limited to the screw bolt-type positioning and fastening arrangement of realizing that motor vehicle engine and external structure etc. accurately are located by connecting.
Background technique
In fields such as industry, traffic, it is much that two adjacent structures are accurately located fastening situation.With common motor vehicle engine and the interstructural example that is connected to of its outer installment: based on the manufacturing technology of existing engine housing, the screw that respectively is located by connecting on housing, each transmission shaft etc., its manufacturing tolerances has realized better controlled.Along with the development of automotive engineering, increasing of function often need be installed more parts on the external casing of engine.Wherein to some parts, particularly the matching requirements between operating element and this housing are harsh often, at first requiring need have accurate localization between the two, on this basis, particularly having under the bad condition conditions such as judder, also require to eliminate the fastening gap on all directions and bear bigger load forces, and can realize fastening with prevent to become flexible in, can also have detachably and refill reduction and maintenance and the conforming ability of former assembling precision etc. of joining.
Bolt arrangement is a kind of fasten structural elements together that is widely used.In the sunk screw commonly used,, make it, also weakened its radial load power simultaneously along the Location accuracy variation on the axis because its conicity angles alpha (angle between its conical surface and axis) is bigger.For example in known wheel-fastening device,, wheel is imported the screw rod that is fixed on the wheel hub along taper hole, use a kind of nut tightening of tapered end face again, the location of having realized wheel and wheel hub along a plurality of taper holes of being evenly distributed in of spoke.This orientation type since screw rod must in be embedded on the transmission main body, normally screw rod is embedded and carries out stop in a kind of foundry goods or the extrusion and obtain above-mentioned positioning result, thereby show that its application and mode have been subjected to limitation.
The Chinese patent literature of notification number CN2082790Y discloses a kind of " tapered sleeve tightening nut ", wherein tightening nut is made of lining and gland nut respectively, and gland nut is made up of retaining nut, setscrew nut and positioning screwn, this orientation type also exists radial-play between its inwall and the positioning shaft except that the structure complexity.In more public technology, this lining is the form that becomes a kind of open loop.As along the form of slotting on the axial port of lining, under the situation of nut or screw rod tightening, both can only be a kind of line ways of contact with contacting of lining, therefore inevitable its radial load ability that just weakened.
The model utility content
At above-mentioned situation, the utility model will provide a kind of can the realization to make two adjacent structures of closing accurately be located fastening screw bolt-type positioning and fastening arrangement, but this device removes prior applicability and realizes waiting accurate location to be fastenedly connected to motor vehicle engine and external structure, equally also being suitable for having in other field accurate location to be fastenedly connected when requiring situation uses, and have simple in structure, the Location accuracy height, rigidity connects, even also to keep not having play under the working condition of judder fastening having, and have and prevent the detachable of loosening ability, can guarantee to reduce the advantage of Location accuracy.
For achieving the above object, in the screw bolt-type positioning and fastening arrangement structure of the present utility model, have can with the bolt structure body that is arranged on the respective aperture respective outer side edges on the two adjacent fastening structures that are positioned that close, this bolt structure body comprises head, outer circumferential face is provided with the afterbody of binding thread structure and therebetween screw rod middle part, be provided with one to the gradually little conical section of caudal directions diameter at the screw rod middle part, at least have and the adapt taper hole that cooperates of tapering of this screw rod middle part conical section at first be positioned the bolt matching hole on the fastening structure that is arranged in bolt head direction side, and at least one side opening structure that the said two path vertex of a cone places of place, junctions and this conical section that are positioned fastening structure bolt matching hole adapt, be provided with the transiting neck structure of one section diameter greater than this cone top part diameter.
With above-mentioned bolt structure body insert two be positioned on the fastening structure the bolt matching hole and screw bolt after, according to mechanics principle, the axial force along screw rod that is produced by screw thread has formed on the conical surface axially and component radially, component on the both direction has been eliminated two plaies that are positioned all directions between fastening structure on the one hand, on the other hand externally under the active force of all directions, but synthesis of the axial force is applied on the screw thread again.So cooperate the faying surface place to have a certain size stiction at its circular cone, its component has radially also increased the pretightening force of scyewed joint simultaneously.Add elastic washer with plain bolt and compare, can play better anti-loosening effect.And, after screw thread screws,, between fastening piece, obtained the effect of accurate location by the location, the center of circle of two conical surfaces based on the circular cone Positioning Principle.
For guarantee first and second fastening pieces along bolt arrangement axially and radial direction can both realize accurate location, prerequisite is to fit tightly between conical section and the taper hole fully guaranteeing under the situation that bolt screws.But in actual applications, because inevitable error in the machine-building, and conical section that causes because of dismounting repeatedly or the factors such as wearing and tearing between taper hole, the bolt of at present used band conical section structure is often because a variety of causes hinders bolt because of this cone top part is subjected to the top in thread section aperture in screwing process, and the required screw-in depth of screw rod can't guarantee to fit tightly between its conical section and the taper hole time, though inreal as yet falseness " cooperation the puts in place " phenomenon of fitting of its taper fit face occurs " screwing and putting in place ".Therefore, in the above-mentioned locking method of the utility model, being provided with one section diameter at least one side opening structure that the said two path vertex of a cone places of place, junctions and this conical section that are positioned fastening structure bolt matching hole adapt is crucial greater than the transiting neck structure of this cone top part diameter.By this transiting neck structure is set, can make bolt in fastening screwing in the process, can realize the real position that is properly fit onto for its two conical surface and leave an adjusting space, leeway, to reach the purpose of this species diversity of self adaption.
On the basis of said structure, the variation on the further specific constructive form of the utility model mainly also includes:
In the above-mentioned screw bolt-type positioning and fastening arrangement, said this cooperation taper hole can be set in place separately in first of said bolt head direction side is positioned fastening structure, and being positioned at be positioned this bolt matching hole on the fastening structure of second of bolt tail direction side is to be used for the screw that matches with the bolt tail binding thread.This screw both can be the screw of blind hole form, also can be the screw of through-hole form.Said this transiting neck structure can be arranged at two first of place, bolt matching hole junction on the fastening structure fastening structure sides that are positioned that are positioned, or the second fastening structure side that is positioned.
In the above-mentioned screw bolt-type positioning and fastening arrangement, said this cooperation taper hole can also be adopted as the mode of continuity tapering, is arranged on said this two form that is positioned the both sides at the place, junction of bolt matching hole on the fastening structure.Said this second be positioned this bolt matching hole on the fastening structure that is positioned at bolt tail direction side is to be used for the screw that matches with the bolt tail binding thread, equally also can be the screw of blind hole or through-hole form.Said this transiting neck structure then is arranged at this second junction side that is positioned bolt matching hole on the fastening structure.
In addition, above-mentionedly will said this cooperation taper hole be arranged on said two when being positioned that the structural type of both sides is located in the junction of bolt matching hole on the fastening structure adopting in the mode that continues tapering, according to the length of this bolt structure body and/or the extended length of its conical section, and/or the thickness of the fastening structure that is positioned, said be positioned at this bolt matching hole that second of its bolt tail direction side is positioned on the fastening structure can be for having or not having the through hole of binding thread, and can be according to actual needs, can be adopted as the screw member that is used for making secure fit and to be positioned at second structural member that is positioned another nut form outside the fastening structure with bolt tail.This moment, said this transiting neck structure generally was to be arranged at the second junction side that is positioned bolt matching hole in the fastening structure.
In above-mentioned various structural types, the said concrete structure that is arranged at this conical section at its screw rod middle part, according to different use condition, can be adopted as the structure as common form such as the circular cone or the frustum of a pyramids, this cooperation taper hole in the fastening structure that is positioned then should be the structural type that adapts with it.For example, when needs screwed operation to this bolt structure body, this conical section can adopt the structure of conical form; If when adopting above-mentioned nut structure to carry out fastening operation, then adopt pyramid-shaped structures to play bolt structure body only revolved positioning action, more convenient operation through peripheral hardware.
As above-mentioned, because mostly the operation that screws of bolt structure body is maybe to need this head to make suitable compounding practice at its head, so the head of this bolt structure body can be designed to be convenient to the shape and/or the structure of fastening operation by existing mode.For example, the header operations position of bolt structure body can be as present countersunk screw form, structures such as the groove that adapts with corresponding tool that directly is provided with, hole in bigger diameter end portion by said this conical section continuity, also can adopt the nut type structure of a diameter less than the bigger diameter end diameter is set on this conical section bigger diameter end face, carry out fastening operation by the clamping pulling tool that adapts.In the fastening process, because its header operations position is this conical section continuity, therefore according to different situations, the operating end of its head can be exposed to outside the bigger diameter end face of said cooperation taper hole, also can sink within the bigger diameter end face.
The header operations position of this bolt structure body also can be adopted as bolt at present commonly used has a fastening operative end of expanding that adapts with corresponding fastening clamp instrument.This conical section in the screw rod can keep spacing with bolt head or be close to this bolt head setting at this moment, and the awl base diameter of bigger diameter end is positioned greater than said first and cooperates the corresponding bigger diameter end diameter of taper hole in the fastening structure in its conical section, though purpose is to put in place for avoiding screwing equally, falseness " cooperation the puts in place " phenomenon that its taper fit face does not really fit tightly as yet.
Under special circumstances, can also adopt the structural type that said this first anchor design is connected as a single entity for the head with bolt structure body.This moment, said this cooperation taper hole then should be arranged on second fastening piece, and said this transiting neck structure is arranged on the bottom that cooperates taper hole, and can realize locating fastening purpose with being threaded of bolt structure body afterbody by independent another nut structure that is provided with.This form is particularly suitable for the situation that second fastening piece is a kind of smooth through hole.
Further, in above-mentioned various structures, for ease of the dismounting/assembly manipulation that can realize in actual use repeating, test result shows, the taper angle of this conical section (being the angle between tapering inclined-plane and axis) is when α is too small, its orientation range radially dwindles, while axial load variation, even produce the phenomenon of self-locking between two conical surfaces; α excessive (as common sunk screw), the radial load of its two conical surface reduces, the deterioration in accuracy of radial location simultaneously, the anti-loosening ability of screw thread weakens.According to mechanistic general knowledge, though when the α angle be 10 when spending, also can make bolt structure body can realize dismounting much larger than it from the locking angle.Therefore, in the above-mentioned screw bolt-type positioning and fastening arrangement of the utility model, making the taper angle (being the angle between tapering inclined-plane and axis) of this conical section at said screw rod middle part be adopted as 10 °～50 ° is a kind of better mode of recommendation.
According to the use position of reality and/or different concrete use condition, for making the above-mentioned screw bolt-type positioning and fastening arrangement of the utility model that applicability widely can be arranged, on the said structure basis, the structural type that can further change also comprises: be provided with an adjusting slider that cooperates with it through the taper hole structure that adapts again outside this conical section at said screw rod middle part in said structure, simultaneously this adjusting slider symmetrically arranged one group of wedge-like engagement face on it is snug fit at first and is positioned and has in the wedge shape chute that adapts of the scope of reciprocatingly sliding on the fastening structure, and make the direction that reciprocatingly slides of this wedge shape chute allow direction consistent with said this two location tolerance that is positioned fastening structure.This just can make positioning and fastening arrangement of the present utility model can realize that accurately the location is fastening, has had again to make the suitably flexibility of adjustment in allowed band according to the use condition needs.
Embodiment below with reference to by the screw bolt-type positioning and fastening arrangement embodiment who is connected with external structure as motor vehicle engine shown in the drawings is described in further detail foregoing of the present utility model again.Wherein said engine is meant the integral body of parts such as motor car engine and speed changer.But the scope that should at this point not be interpreted as the utility model foregoing only limits to following embodiment.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made still belong to scope of the present utility model.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of the utility model screw bolt-type positioning and fastening arrangement.
Fig. 3 is the be combined as a whole schematic representation of structure of a kind of screw head and first fastening piece in the utility model.
Fig. 4 is a kind of structural representation with the continuity taper fit in the utility model.
Fig. 5 is a kind of schematic representation when being applied to motor vehicle engine shell and outside drive mechanism and doing the location and be fastenedly connected.
Fig. 6 is a plan structure schematic representation among Fig. 5.
Fig. 7 is the schematic representation of another kind when being applied to motor vehicle engine shell and external structure and doing the location and be fastenedly connected.
Fig. 8 overlooks among Fig. 7 to show the structure intention.
Fig. 9 is the schematic representation of another structural type of the present utility model.
Figure 10 is a plan structure schematic representation among Fig. 9.
Figure 11 is the structural representation of the another kind of version of Fig. 9.
Embodiment
Illustrated in figures 1 and 2, be a kind of basic structure of the utility model screw bolt-type positioning and fastening arrangement.When being used for motor vehicle engine and being connected, there is an energy to be anchored on the bolt structure body of the respective aperture respective outer side edges on its outer external structure with being arranged on engine structure and being positioned with external structure.This bolt structure body comprises that head 1, outer circumferential face are provided with the afterbody 3 of binding thread structure and therebetween screw rod middle part.Be not threaded smooth through hole as the bolt structure body matching hole structure on this external structure of first fastener 4; As the bolt structure body matching hole on this engine structure of second fastener 7 is to have the screw 8 that can match with the binding thread structure of bolt tail 3, and this screw shown in the figure is the blind hole form, can be through hole.Be provided with one to the gradually little conical section 2 of caudal directions diameter at the screw rod middle part, the taper angle of this conical section 2 is 10 °～50 °.Have one section in the bolt matching hole on first fastener 4 and cooperate taper hole 5 with this conical section 2 adapts tapering, and the position that the path cone top part of bolt matching hole below and this conical section 2 adapts on the fastening structure that is positioned, its below and second, be provided with the circular hole form transiting neck structure 6 of one section diameter greater than this cone top part diameter, make when screw thread screws fully, in the interplanar transiting neck structure 6 in upper end of the end face lower end transition position of taper hole 5 and screw 8, also maintain an internal void d, to guarantee that its two cooperations conical surface can be fitted fully mutually, realize the location between first fastening piece 4 and second fastening piece 7, axial and radial load affacts on the interpyramidal cooperation conical surface fully, bears being fastenedly connected under the complex loading conditions thereby improved.
When between two fasteners 4,7, having adopted above-mentioned two identical positioning and fastening arrangements, can make this external agency along realizing spline on the attachment face, thereby make external agency on X, Y, Z all directions, all accurately located, and realized mutual fastening of engine housing, and bear from the load on all directions.The ability that prevents thread looseness that the conical surface obtained with above-mentioned taper angle is very favourable to being fastenedly connected on the engine that is in vibration condition.
Shown in Figure 3, be a kind of structural type that screw head and first fastening piece are combined as a whole in the utility model.On the basis of structure illustrated in figures 1 and 2, wherein first fastening piece 4 and the head 1 of bolt structure body are become the structure of one form, bolt matching hole on second fastening piece 7 is a threadless smooth through hole, and corresponding 5 of taper fit taper holes are arranged on the top of through hole in second fastening piece 7, be provided with in the lower end of cone shape hole 5 one section diameter greater than the wide diameter portion of bolt conical section 2 miner diameter end vertex of a cone diameters as transiting neck structure 6, and by peripheral hardware one independently nut 13 be connected with the binding thread of bolt arrangement afterbody 3 realization fastening to the location of two fastening pieces 4,7.
Fig. 4 is a kind of structure that adopts continuity tapered configuration fit form in the utility model.On Fig. 1 and Fig. 2 basis, be extended to the taper hole 5 on first fastening piece 4 in the bolt matching hole of second fastening piece 7 along taper direction, this conical section 2 on the bolt structure body also is extended on second fastening piece 7 simultaneously, and being combined with the transiting neck structure 6 of diameter greater than bolt conical section 2 path end diameter in the cone shape hole lower end of second fastening piece 7, the screw 8 that can adapt with the screw thread of bolt arrangement afterbody 3 then is arranged in the below of transiting neck structure 6.This bolt structure body head 1 is provided with the fastening operative end of an external diameter less than the nut type structure of conical section 2 bigger diameter end diameters.
Fig. 5 and Fig. 6 are a kind of states when being applied to motor vehicle engine shell and outside drive mechanism and doing the location and be fastenedly connected, and are at the less situation design of transmission load.The bolt structure body that can adopt two same forms in this structure positions by two taper fit taper holes on first fastening piece 4 and two corresponding screws 8 on second fastening piece 7 respectively and is fastenedly connected.Switching has a belt wheel 21 on first fastening piece 4, and is in transmission connection with belt wheel 22 bands on second fastening piece.Find out thus: under the situation that obtains to guarantee at the relative position between the rotating shaft 23 of screw 8 on second fastening piece 7 and belt wheel 22, externally between mechanism and the engine housings, the applying conical surface by bolt structure body in the positioning device of the present utility model and taper fit taper hole 5, make axially and radially of belt wheel 21 and 22, under load or non-load condition, all obtained a kind of accurate location positioning.Among the figure the head 1 of bolt structure body adopted a kind of in the operative end of hexagonal form, purpose is to be fit to more fastened tools operation.
Fig. 7 and Fig. 8 are that another kind is applied to the motor vehicle engine shell and external structure is made the structural type that the location can be adopted when being fastenedly connected, and being has increased by two plain bolts 12 again as auxiliary fastening structure on the basis of above-mentioned Fig. 5 basic structure.They are connected with corresponding screw on second fastening piece 7 equally respectively, and purpose is to strengthen between two fastening pieces 4,7 along the axial load-bearing power of bolt structure body.Present embodiment can be applicable to the bigger occasion of axial load.
Fig. 9～Figure 10 is the structural type of another variation of the utility model on the basis of Fig. 2 and structure shown in Figure 6.When adopting two the utility model positioning and fastening arrangements at the same time, the conical section 2 at said screw rod middle part is outer in device therein is provided with a transition adjusting slider 10 that cooperates with it through the taper hole structure that adapts, and this adjusting slider 10 symmetrically arranged one group of wedge-like engagement face 9 on it is snug fit in the wedge shape chute that adapts that has the scope of reciprocatingly sliding on first fastener 4, the direction that reciprocatingly slides of this wedge shape chute allows direction consistent with said this two location tolerance that is positioned fastening structure.This structure can make first fastening piece 4 can adapt to the installation position of second fastening piece 7 more.On Motor Vehicle, the cross-over connection that present embodiment is commonly used on the engine housing is installed, be installed in situation between motor body and the case of transmission as external means, Chang Yinwei makes or the assembling reason between the two, causes in the position difference between the screw on a certain direction.As can be seen from Figure, adjusting slider 10 can make bolt structure body while glide direction along its permission in chute suitably move back and forth, and realizes position (error) tolerance of self adaption adjustment screw.
Figure 11 is the configuration state of the another kind of version of structure when concrete application of Fig. 9 and Figure 10.What show is a kind of according to the direction of error between screw on the engine housing, determines the adjustment direction of displacement of this adjusting slider 10 and chute on first fastening piece 4, with the error of self adaption adjustment size.
Claims (15)
1. screw bolt-type positioning and fastening arrangement, have can with the bolt structure body that is arranged on the respective aperture respective outer side edges on the two adjacent fastening structures that are positioned that close, this bolt structure body comprises head (1), outer circumferential face is provided with the afterbody (3) of binding thread structure and therebetween screw rod middle part, it is characterized in that being provided with one to the gradually little conical section of caudal directions diameter (2) at the screw rod middle part, at least have with this screw rod middle part conical section (2) adapts tapering and cooperate taper hole (5) at first be positioned the bolt matching hole on the fastening structure (4) that is arranged in bolt head direction side, and at least one side opening structure that the said two path vertex of a cone places of place, junctions and this conical section (2) that are positioned fastening structure bolt matching hole adapt, be provided with the transiting neck structure (6) of one section diameter greater than this cone top part diameter.
2. screw bolt-type positioning and fastening arrangement as claimed in claim 1 is characterized in that the taper angle of this conical section (2) at said screw rod middle part is 10 °～50 °.
3. screw bolt-type positioning and fastening arrangement as claimed in claim 1, it is characterized in that said this cooperation taper hole (5) is set in place in first of said bolt head direction side is positioned fastening structure (4), be positioned at be positioned the screw of this bolt matching hole (8) for being used for matching with bolt tail (3) binding thread on the fastening structure (7) of second of bolt tail direction side, said this transiting neck structure (6) is arranged at the two first or second fastening structure sides that are positioned that are positioned that bolt matching hole junction is located on the fastening structure.
4. screw bolt-type positioning and fastening arrangement as claimed in claim 1, it is characterized in that said this cooperation taper hole (5) is arranged on said two both sides, place, junction that are positioned bolt matching hole on the fastening structure in the mode of continuity tapering, said be positioned the screw of this bolt matching hole (8) for being used for matching with bolt tail (3) binding thread on the fastening structure (7) of second of bolt tail direction side that be positioned at, said this transiting neck structure (6) are arranged at the second junction side that is positioned bolt matching hole on the fastening structure.
5. screw bolt-type positioning and fastening arrangement as claimed in claim 1, it is characterized in that said this cooperation taper hole (5) is arranged on said two both sides, place, junction that are positioned bolt matching hole on the fastening structure in the mode of continuity tapering, it is said that to be positioned at this bolt matching hole (8) that second of bolt tail direction side is positioned on the fastening structure (7) be through hole, the screw member that is used for making secure fit with bolt tail (3) is for being positioned at second nut structure that is positioned outside the fastening structure (7), and said this transiting neck structure (6) is arranged at the second junction side that is positioned bolt matching hole in the fastening structure.
6. screw bolt-type positioning and fastening arrangement as claimed in claim 5 is characterized in that the conical section (2) at said screw rod middle part is circular cone or pyramid mesa structure, the structural type of the said cooperation taper hole (5) in the fastening structure that is positioned for adapting with it.
7. screw bolt-type positioning and fastening arrangement as claimed in claim 1, it is characterized in that said bolt head (1) is a fastening operative end, the setting of this conical section (2) in screw rod next-door neighbour bolt head, and the awl base diameter of bigger diameter end is positioned greater than said first and cooperates the corresponding bigger diameter end diameter of taper hole (5) in the fastening structure (4) in its conical section (2).
8. screw bolt-type positioning and fastening arrangement as claimed in claim 1, it is characterized in that outside this conical section (2) at said screw rod middle part, being provided with an adjusting slider (10) that cooperates with it through the taper hole structure that adapts, this adjusting slider (10) symmetrically arranged one group of wedge-like engagement face (9) on it is snug fit at first and is positioned and has in the wedge shape chute that adapts of the scope of reciprocatingly sliding on the fastening structure (4), and the direction that reciprocatingly slides of this wedge shape chute allows direction consistent with said this two location tolerance that is positioned fastening structure.
9. the screw bolt-type positioning and fastening arrangement that is connected with external structure of motor vehicle engine, an energy is arranged and be arranged on the bolt structure body that engine structure and being positioned is anchored on the respective aperture respective outer side edges on its outer external structure, this bolt structure body comprises head (1), outer circumferential face is provided with the afterbody (3) of binding thread structure and therebetween screw rod middle part, as the first bolt structure body matching hole structure that is positioned on this external structure of fastening structure (4) is through hole, as second screw of bolt structure body matching hole structure that is positioned on this engine structure of fastening structure (7) for being used for matching with the binding thread structure of bolt tail (3), it is characterized in that being provided with one to the gradually little conical section of caudal directions diameter (2) at the screw rod middle part, at least in the bolt matching hole of fastening external structure that is positioned, have with this screw rod middle part conical section (2) adapts tapering and cooperate taper hole (5), and at least one side opening structure that the first and/or second path vertex of a cone place of place, junction and this conical section (2) that is positioned bolt matching hole on the fastening structure adapts, be provided with the transiting neck structure (6) of one section diameter greater than this cone top part diameter.
10. the screw bolt-type positioning and fastening arrangement that motor vehicle engine as claimed in claim 9 is connected with external structure is characterized in that the taper angle of this conical section (2) at said this screw rod middle part is 10 °～50 °.
11. the screw bolt-type positioning and fastening arrangement that motor vehicle engine as claimed in claim 9 is connected with external structure is characterized in that said this cooperation taper hole (5) is arranged on first and is positioned in the bolt matching hole of fastening structure.
12. the screw bolt-type positioning and fastening arrangement that motor vehicle engine as claimed in claim 9 is connected with external structure, it is characterized in that said this cooperation taper hole (5) is arranged on two both sides, place, junction that are positioned bolt matching hole on the fastening structure in the mode of continuity tapering, said this transiting neck structure (6) is arranged at the second junction side that is positioned this bolt matching hole on the fastening structure.
13. the screw bolt-type positioning and fastening arrangement that motor vehicle engine as claimed in claim 9 is connected with external structure, it is characterized in that said bolt head (1) is the fastening operative end of expanding, this conical section (2) next-door neighbour bolt head setting of screw rod, and the awl base diameter of its conical section (2) bigger diameter end cooperates the diameter of the corresponding bigger diameter end of taper hole (5) greater than external structure.
14. the screw bolt-type positioning and fastening arrangement that motor vehicle engine as claimed in claim 9 is connected with external structure, it is characterized in that outside this conical section (2) at said screw rod middle part, being provided with an adjusting slider (10) that cooperates with it through the taper hole structure that adapts, this adjusting slider (10) symmetrically arranged one group of wedge-like engagement face (9) on it is snug fit at first and is positioned and has in the wedge shape chute that adapts of the scope of reciprocatingly sliding on the fastening structure (4), and the direction that reciprocatingly slides of this wedge shape chute allows direction consistent with said this two location tolerance that is positioned fastening structure.
15., it is characterized in that being at least 2 at first the be positioned bolt structure body of the said structural type that is provided with in the junction of fastening structure (7) of fastening structure (4) and second that is positioned as the screw bolt-type positioning and fastening arrangement that the described motor vehicle engine of claim 9 to 14 is connected with external structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033964 CN2806857Y (en) | 2005-04-22 | 2005-04-22 | Bolt type positioning securing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033964 CN2806857Y (en) | 2005-04-22 | 2005-04-22 | Bolt type positioning securing device |
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| Publication Number | Publication Date |
|---|---|
| CN2806857Y true CN2806857Y (en) | 2006-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520033964 Expired - Fee Related CN2806857Y (en) | 2005-04-22 | 2005-04-22 | Bolt type positioning securing device |
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| CN (1) | CN2806857Y (en) |
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| CN107366672A (en) * | 2017-07-21 | 2017-11-21 | 南通安赛乐紧固件有限公司 | A kind of high-mechanic blind hole bolt |
| CN111102030A (en) * | 2018-10-25 | 2020-05-05 | 舍弗勒技术股份两合公司 | Camshaft phaser |
| CN111959257A (en) * | 2020-07-17 | 2020-11-20 | 长沙中联重科环境产业有限公司 | Engine suspension supporting structure |
| CN113208452A (en) * | 2021-04-30 | 2021-08-06 | 广东美的厨房电器制造有限公司 | Cooking device's assembly structure and cooking device |
-
2005
- 2005-04-22 CN CN 200520033964 patent/CN2806857Y/en not_active Expired - Fee Related
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| CN102975729A (en) * | 2012-12-07 | 2013-03-20 | 苏州蓝王机床工具科技有限公司 | Buffer mechanism |
| CN105526226A (en) * | 2016-01-15 | 2016-04-27 | 安徽江淮汽车股份有限公司 | Connection structure |
| CN106369092A (en) * | 2016-09-27 | 2017-02-01 | 中国船舶重工集团公司第七0七研究所 | Laser gyroscope inertia set rubber shock absorber dislocation prevention device |
| CN107366672A (en) * | 2017-07-21 | 2017-11-21 | 南通安赛乐紧固件有限公司 | A kind of high-mechanic blind hole bolt |
| CN111102030A (en) * | 2018-10-25 | 2020-05-05 | 舍弗勒技术股份两合公司 | Camshaft phaser |
| CN111959257A (en) * | 2020-07-17 | 2020-11-20 | 长沙中联重科环境产业有限公司 | Engine suspension supporting structure |
| CN111959257B (en) * | 2020-07-17 | 2022-04-05 | 长沙中联重科环境产业有限公司 | Engine suspension supporting structure |
| CN113208452A (en) * | 2021-04-30 | 2021-08-06 | 广东美的厨房电器制造有限公司 | Cooking device's assembly structure and cooking device |
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