CN110374972A - Embedded locking back of the body bolt and its back of the body bolt component with flexible surrounding layer - Google Patents
Embedded locking back of the body bolt and its back of the body bolt component with flexible surrounding layer Download PDFInfo
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- CN110374972A CN110374972A CN201910512831.XA CN201910512831A CN110374972A CN 110374972 A CN110374972 A CN 110374972A CN 201910512831 A CN201910512831 A CN 201910512831A CN 110374972 A CN110374972 A CN 110374972A
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- body bolt
- metal body
- flexible
- locking
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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
- 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
- F16B13/06—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 combined with expanding sleeve
- F16B13/063—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 combined with expanding sleeve by the use of an expander
- F16B13/066—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 combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
Abstract
The invention belongs to back of the body bolt interconnection technique fields, are related to a kind of embedded locking back of the body bolt and its back of the body bolt component with flexible surrounding layer.Including metal body, the internal screw thread being provided with along the connecting cavity connecting cavity that metal body axially penetrates through metal body for connecting back of the body bolt bar is provided in metal body, metal body bottom protrudes outward the bulb to form inverted conical shape, it is close to be enclosed with flexible layer in the metal body outer surface, flexible layer is protruded outward along bulb in back taper and by metal body close to one end of bulb, and there is big one end closure of portion of Peng to form back cover, and metal body is fixedly connected in flexible layer.Compared with prior art, the advantage of the invention is that temperature influence is small, it is not easy to be split up plate.
Description
Technical field he
The invention belongs to back of the body bolt interconnection technique fields, and in particular to a kind of embedded locking back of the body bolt with flexible surrounding layer
And its back of the body bolt component.
Background technique
In the prior art, it is typically employed on plate behind the hole of size needed for preboring back of the body bolt, then by back of the body bolt load hole
In, carry out load after diffusion.For the wood-based plate made of prefabricated, there are the cost of prebored hole and dress pressure back of the body bolt, most criticals
Be assembled wood-based plate plate it is very large, monolithic more need to lift, such as use preboring back of the body bolt hole technique, processing use needed for
Equipment wants very large, and need to match loop wheel machine, easily hurts plate in boring procedure, and drilling cost is very expensive.
There are solidification process for artificial board, in the curing process, metal tube are embedded in artificial board, people can be substantially reduced
Work and manufacturing cost, but since artificial board is usually strong concrete etc., have the characteristics that it is brittle, and due to wood-based plate
Material is different from the thermal expansion coefficient of metal tube, and when the temperature rises, the mounting hole on artificial board becomes smaller, and metal tube becomes larger, and leads
It causes metal tube that artificial board cracking crumbles, and in exposure air plate alkaline atmosphere and metallic object can also generated after cracking
Swollen stress, including stainless steel are corroded, because Stainless Steel is acidproof intolerant to not alkaline-resisting, therefore hides huge security risk.
Summary of the invention
Present invention purpose is to provide a kind of embedded locking back of the body bolt with flexible surrounding layer.
Another goal of the invention of the application is to provide a kind of back of the body bolt component.
For achieving the above object, the technical solution of the application is as follows:
This has the embedded locking back of the body bolt of flexible surrounding layer, including metal body, is provided in metal body along metal
Ontology axially penetrates through the connecting cavity of metal body, and the internal screw thread for connecting back of the body bolt bar is provided in the connecting cavity, described
Metal body bottom protrude outward the bulb to form inverted conical shape, it is flexible that package is close in the metal body outer surface
Layer, flexible layer is protruded outward along bulb in back taper and by metal body close to one end of bulb has big one end seal of portion of Peng
Mouth forms back cover, and the metal body is fixedly connected in flexible layer.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, flexible layer is directly molded in metal body
Surface and one end with the big portion of Peng, the metal body are provided with injection molding in the opening for being equipped with bulb one end and lead mouth, institute
The flexible layer stated is led mouth and entered internal screw thread and be filled in internal screw thread in injection molding process by injection molding forms locking damping
Layer.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, locking damping layer is formed in internal screw thread bottom
3-6 circle.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, flexible layer enters injection molding in injection moulding process is led
Mouthful simultaneously enter internal screw thread, the back cover, flexible layer, locking damping layer on metal body integrated through injection molding forming and slotless without
Seam.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, the first torque resistant is provided on the outside of metal body
Structure, the flexible layer are provided with the second torque resistant structure compatible with the first torque resistant structure close to inner sidewall, and first
Torque resistant structure is fixedly connected with flexible layer and metal body with the cooperation of the second torque resistant structure.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, it is antitorque that third is provided on flexible layer lateral wall
Square structure.
In the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, one end extension of the metal body far from bulb
Be provided with encapsulation angle, be provided on the flexible layer with the compatible packaging ring of encapsulation angle, described packaging ring against
Metal body is encapsulated in flexible layer inner cavity on encapsulation angle.
This uses the back of the body bolt component of the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, is bolted with back of the body bolt in internal screw thread
Bar, the back of the body bolt bar during being screwed into locking damping layer inner wall tap out, locking damping layer be filled in internal screw thread with
It prevents from loosening in gap between back of the body bolt bar external screw thread.
In above-mentioned back of the body bolt component, back of the body bolt bar is equipped with several act on and pre-tightens the segmentation spiral shell that counter-force squeezes locking damping layer
Line, the locking damping layer form the gap protrusion between segmented thread after being extruded in the gap between segmented thread
Raised cambered surface.
It is provided with power part on above-mentioned back of the body bolt component, back of the body bolt bar, it is soft that antitorque balance is arranged on the back of the body bolt bar
Property pad.
Compared with prior art, the application has the beneficial effect that:
1. when temperature change occurs, especially when installation bore dia of temperature when rising on wood-based plate since wood-based plate expands
Become smaller, back of the body bolt bar and metal body expansion become larger, and distance becomes smaller between metal body and mounting hole wall, and flexible layer occurs
Squeeze, flexible layer stress deformation offset metal body to installation hole wall extruding force, effectively prevent wood-based plate at mounting hole by
Power and burst apart.
2. flexible layer enters connecting cavity by being molded from metal body bottom, locking damping layer is formed in internal screw thread, is prevented
Gap is not present between loose damping layer and internal screw thread, and back of the body bolt bar forms tapping screw thread on locking damping layer when being screwed into, prevents
Also gap is not present between loose damping layer and back of the body bolt bar, back of the body bolt bar is effectively prevent to loosen, and when back of the body bolt bar receives external force, locking resistance
Buddhist nun's layer and the outer tooth thread of back of the body bolt bar generate damping, and back of the body bolt bar is further prevented to loosen.
3. metal body lateral surface is provided with the first torque resistant structure, and is embedded in flexible layer, flexible layer lateral surface is set
Be equipped with third torque resistant structure, and be embedded in after wood-based plate just solidifies in wood-based plate installation hole wall, realize metal body with it is soft
It is circumferentially fixed between property layer, flexible layer and artificial board, it effectively prevent the relative rotation problem of metal body and flexible layer.
4, metal body is provided with encapsulation angle, and after flexible layer is cooled and shaped, metal body is pressed firmly against by packaging ring
In the inner cavity of flexible layer, wood-based plate alkaline slurry incorporation corrosion gold is caused after effectivelying prevent metal body and flexible layer to generate gap
Belong to body.
5, segmented thread squeezes in rundown process and cuts locking damping layer, squeezes on locking damping layer and cuts place's screw thread, while quilt
It squeezes the clout cut and enters segmented thread gap, reduce to squeeze to cut being screwed into resistance, be easy to use.And as stress is released after being screwed into
It puts, locking damping layer is extruded in segmented thread gap location by segmented thread and forms gap prominent arc outstanding between phase segmented thread
Face hinders the rotation of back of the body bolt bar, improves anti-loosing effect further when back of the body bolt bar is shaken.
Detailed description of the invention
Fig. 1 is structural schematic diagram provided by the invention.
Fig. 2 is structure sectional view provided by the invention.
Fig. 3 is Structure explosion diagram provided by the invention.
Fig. 4 is metal body and flexible layer combination schematic diagram provided by the invention.
Fig. 5 is flexible layer structure schematic diagram provided by the invention.
Fig. 6 is metal body structural schematic diagram provided by the invention.
Fig. 7 is segmented thread provided by the invention and locking damping layer combination schematic diagram.
In figure: metal body 1, connecting cavity 2, internal screw thread 3, bulb 4, flexible layer 5, injection molding lead mouth 6, locking damping layer 7,
Link block 8, the first torque resistant structure 9, the second torque resistant structure 10, third torque resistant structure 11, encapsulation angle 12, packaging ring
13, back of the body bolt bar 14, antitorque balancing flexible pad 15.
Specific embodiment
Further details of the technical solution of the present invention with reference to the accompanying drawings and detailed description.
As shown in Figure 1-3, this has the embedded locking back of the body bolt of flexible surrounding layer, including metal body, which is characterized in that
It is provided with the connecting cavity for axially penetrating through metal body along metal body in the metal body, is provided in the connecting cavity
For connecting the internal screw thread of back of the body bolt bar, the metal body bottom protrudes outward the bulb to form inverted conical shape, the gold
Belong to body outer surface abutting and be enclosed with flexible layer, flexible layer protruded outward along bulb in back taper close to one end of bulb and
There is big one end closure of portion of Peng to form back cover metal body, the metal body is fixedly connected in flexible layer.
When temperature change occurs, especially when temperature rise when wood-based plate on installation bore dia due to wood-based plate expand become
Small, back of the body bolt bar 14 and the expansion of metal body 1 become larger, and distance becomes smaller between metal body 1 and mounting hole wall, to flexible layer 5
It squeezes, 5 stress deformation of flexible layer offsets the extruding force of 1 pair of metal body installation hole wall, and wood-based plate is effectively prevent to install
Stress at hole and burst apart.Temperature reduce when metal body 1 between wood-based plate mounting hole wall at a distance from become larger, flexible layer 5
Suffered extruding force becomes smaller, and flexible layer 5 restores volume, prevents gap occur between metal body 1 and wood-based plate mounting hole, to keep away
Exempt from metal body 1 to be detached from from wood-based plate mounting hole, further improves security performance.
In the present embodiment, flexible layer 5 is molded over metal body by injection molding manner as manufacture material using nylon
Surface.Those skilled in the art should available technical inspiration, flexible layer 5 can also using other quality compare it is soft for example
The plastics such as polyvinyl chloride replace, and are also possible to low melting point and the softer metal of quality replaces.
Since artificial big plate generallys use high-strength cement etc., common intensity is 30-65MPa or so, has brittle feature, plate
The linear expansion coefficient value of material is in 0.8 × 10-5, and the metal body 1 connected is stainless steel wire expansion coefficient value in 1.8 × 10-5,
Be easy to appear under the plate face high temperature in summer plate hole become smaller+back of the body bolt becomes larger and generates line swelling stress, cause plate to crack.Pass through
A large number of experiments and hole drilling type back of the body bolt are compared with the present embodiment, are found without the embedded back of the body bolt of flexible layer plate in the high and low temperature test
Cracking, no flexible layer hole drilling type back of the body bolt are better than no flexible layer insertion due to the effects of drilling Shi Kongwei plus tolerance+back of the body bolt negative common difference
Formula back of the body bolt, and 5 thickness of flexible layer of the present embodiment is greater than back plate aperture+back of the body bolt linear expansion coefficient value 5d or more (unilateral side) none plate
Cracking, therefore suggest that thickness value calculates, example: 1 expansion value of metal body [hole depth × 1.8 × 10-5 × 120 DEG C (+85/-35)+artificial
Plate back of the body bolt hole diminution value 0.8 × 10-5 × 120 DEG C (+85/-35] × 5d=back of the body bolt bottom surface flexibility layer thickness value, metal collar
Part surface radial compliance layer, technical characteristic are same as above 6, it is proposed that thickness value calculates: stainless steel metal collar member expansion value [bottom outlet is wide ×
1.8 × 10-5 × 120 DEG C (+85/-35)+artificial board back of the body bolt hole diminution value 0.8 × 10-5 × 120 DEG C (+85/-35] × 5d=
Back of the body bolt radial compliance layer thickness value.
Open slot is not provided in the big portion 4 of Peng of preferably metal body 1, the big portion 4 of Peng is complete circle, in metal body 1
When with flexible layer 5 by outside pulling force, the big portion 4 of Peng is difficult to contract, provides effective branch for the back taper protrusion on flexible layer 5
Support, prevent Peng big portion 4 of the big portion 4 of Peng for example with open slot by when pulling force by wood-based plate reaction force to contract, reduce Peng
Big portion diameter, is easy to be drawn out wood-based plate.
In use, bulb 4 is embedded in downward in not solidified wood-based plate.After wood-based plate solidification, bulb 4
It is embedded in inside wood-based plate, forms mortise structure with the connecting hole of wood-based plate, prevent metal body 1 and flexible layer 5 along gold
Belong to the axial abjection of ontology 1.Meanwhile flexible layer 5 seals the opening at bulb 4, back cover 16 prevents not solidified artificial board
Material flows backward in connecting cavity 2, hinders back of the body bolt bar 14 effectively to connect into connecting cavity with metal body, and prevent from not solidifying wood-based plate
Preceding liquid is contacted with metal body, corrodes metal body 1.
Further, the flexible layer is directly molded in metal body surface and one end with the big portion of Peng, institute
The metal body stated is provided with injection molding in the opening for being equipped with bulb one end and leads mouth, and the flexible layer is in injection molding process
It leads mouth by injection molding and enters internal screw thread and be filled in internal screw thread and form locking damping layer.The flexible layer is in injection moulding process
Mouth is led into injection molding and enters internal screw thread, and the back cover, flexible layer, locking the damping layer integrated through injection molding on metal body shape
And slotless is seamless.In injection moulding process, metal body 1 is put into mold cavity, and is sleeved on mold cores, such as Fig. 4 institute
Show, incorporate stream material from mould gate enter mold cavity and metal surface form, while melt stream material by injection molding lead mouth into
Enter the gap between type core and metal body, fills up the internal screw thread flank of tooth and form locking damping layer 7.Due to locking damping layer 7 at
During type, gap is not present between duplication internal screw thread 5, with internal screw thread 3, so that locking damping layer 7 is when with rotating tendency
With along metal body 1 move axially trend, but due to locking 7 back cover of damping layer be integrally formed connect, it is difficult to along metal body 1
Axial movement, therefore locking damping layer is effectively prevent to rotate.Simultaneously during back of the body bolt bar 14 is screwed into, the locking anti-limitation of damping layer 7
Metal body rotation, enables back of the body bolt bar 14 to be effectively screwed into metal body 1, prevents from skidding.It is locking to prevent in injection moulding process
Because gap occurs in contraction between damping layer 7 and internal screw thread, the dwell time can be extended.
Preferably, the 3-6 circle of 3 bottom of internal screw thread is arranged in locking damping layer 7.After back of the body bolt bar 14 is screwed into internal screw thread 3, back
Tightening latch squeezes and cuts locking damping layer 7, forms the screw thread of extrusion forming on the side wall of back of the body bolt bar 14 in locking damping layer 7, eliminates
Gap between back of the body bolt bar 14 and internal screw thread 3 effectively prevent back of the body bolt bar to loosen.It is locking when back of the body bolt bar 14 receives external force vibration
Damping layer 7 is due to flexible characteristic, and be snug against with the flank on back of the body bolt bar 14 prevents back of the body bolt bar 14 from loosening always, while always
Effective frictional force is kept, prevents back of the body bolt bar 14 from rotating.
In the present embodiment, locking damping layer 7 fills 5 circles of 3 bottom of internal screw thread, this safe green wood using Hangzhou of back of the body bolt bar 14
The load screw thread for expecting Co., Ltd's production squeezes chasing effectively on locking damping layer 7, prevents back of the body bolt bar using screw thread is carried
14 loosen.It is crowded due to cut to the locking damping layer 7 on metal body 1 under the action of by mellow and full skewed slot notch, and more
Remaining damping material row reduces torque resistance in rotary-cut slot.
Preferably, the injection molding of flexible layer 5 leads mouth 6 into injection molding and forms link block 8, and the link block 8 connects 5 He of flexible layer
Locking damping layer 7.6 ellipsoidal cross section of mouth or polygon are led in injection molding.The shape of mouth 6 is led in the duplication injection molding of link block 8, so that connection
Block 8 leads in mouth 6 in injection molding and is difficult to rotate, and flexible layer 5 and locking damping layer 7 is further prevented to rotate.In the present embodiment, it infuses
The cross sectional shape that mouth 6 is led in modeling is 4 side shapes, and injection molding can also be led the design of 6 section of mouth in 3 side shapes, ellipse by those skilled in the art
The shapes such as shape are to achieve the purpose that prevent flexible layer 5 and locking damping layer 7 from rotating.
Preferably, the first torque resistant structure 9 is provided on the outside of metal body 1, the flexible layer 5 is arranged close to inner sidewall
There are second torque resistant structure 10 compatible with the first torque resistant structure 9, the first torque resistant structure 9 and the second torque resistant structure 10
Cooperation is fixedly connected with flexible layer 5 and metal body 1.Third torque resistant structure 11 is provided on 5 lateral wall of flexible layer.Flexible layer 5
The shape that the first torque resistant structure 9 is replicated in injection molding process forms the second torque resistant structure 10, the first torque resistant structure 9
It cooperates with the second torque resistant structure 10, prevents metal body 1 from relatively rotating with flexible layer 5.When flexible layer 5 is embedded in
When in not dry wood-based plate, wood-based plate replicates third torque resistant planform, prevents flexible layer 5 from rotating with wood-based plate.?
When being screwed into back of the body bolt bar 14, pass through matching for the first torque resistant structure 9, the second torque resistant structure 10 and third torque resistant structure 11
It closes, when back of the body bolt bar 14 being prevented to be screwed into locking damping interval, torque, which becomes larger, to rotate, and back of the body bolt bar 14 is difficult to the phenomenon that being screwed into.
In the present embodiment, the first torque resistant structure 9 and third torque resistant structure 11 are straight rib, and those skilled in the art can
To obtain technical inspiration, the first torque resistant structure 9 and third torque resistant structure 11 can also be the prominent spline structure such as straight-tooth.
Preferably, metal body 1 is provided with far from one end extension of bulb 4 encapsulates angle 12, on the flexible layer 5
It is provided with packaging ring 13 compatible with encapsulation angle 12, described packaging ring 13 is resisted against metal body on encapsulation angle 12
1 is encapsulated in 5 inner cavity of flexible layer.After the cooling and shaping of flexible layer 5, metal body 1 is pressed firmly against flexible layer 5 by packaging ring 13
Inner cavity in, prevent metal body be detached from flexible layer 5 generate gap after cause wood-based plate alkaline slurry incorporation corrosion metallic object.
This uses the back of the body bolt component of the above-mentioned embedded locking back of the body bolt with flexible surrounding layer, is bolted with back in internal screw thread 3
Tightening latch 14, in locking 7 inner wall tap out of damping layer during being screwed into, locking damping layer 7 is filled in the back of the body bolt bar 14
It prevents from loosening in gap between 14 external screw thread of internal screw thread 3 and back of the body bolt bar, the power head of the back of the body bolt bar 14 and metal sheet
Antitorque balancing flexible pad 15 is provided between body 1.Artificial big plate generallys use high-strength cement etc., and common intensity is 30-65MPa left
The right side, has brittle feature, and flexible anti-torque balance pad 15 effectively prevent damaging plate when carrying, lifting by crane.
As shown in fig. 7, back of the body bolt bar, which is equipped with several act on, pre-tightens the segmented thread that counter-force squeezes locking damping layer, it is described
Locking damping layer forms the raised cambered surface of the gap protrusion between segmented thread after being extruded in the gap between segmented thread
17.Segmented thread squeezes in rundown process and cuts locking damping layer, squeezes on locking damping layer and cuts place's screw thread, while being squeezed and cutting
Clout enters segmented thread gap 20, reduces to squeeze to cut being screwed into resistance, is easy to use.It is locking and with stress release after being screwed into
Damping layer is extruded at segmented thread gap 20 by segmented thread and forms gap prominent cambered surface outstanding between phase segmented thread, into
One step hinders the rotation of back of the body bolt bar, improves anti-loosing effect when back of the body bolt bar is shaken.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although metal body 1 is used more herein, connecting cavity 2, internal screw thread 3, bulb 4, flexible layer 5, is molded and leads
Mouth 6, locking damping layer 7, link block 8, the first torque resistant structure 9, the second torque resistant structure 10, third torque resistant structure 11, envelope
Fill angle 12, packaging ring 13, back of the body bolt bar 14, antitorque balancing flexible pad 15.Equal terms, but be not precluded using other terms can
It can property.The use of these items is only for be more convenient to describe and explain essence of the invention;It is construed as any one
The additional limitation of kind is disagreed with spirit of that invention.
Claims (10)
1. a kind of embedded locking back of the body bolt with flexible surrounding layer, including metal body (1), which is characterized in that the gold
Belong in ontology (1) and is provided with the connecting cavity (2) for axially penetrating through metal body (1) along metal body (1), the connecting cavity (2)
In be provided with internal screw thread (3) for connecting back of the body bolt bar (14), the metal body (1) bottom protrudes outward to form inverted conical shape
Bulb (4), the metal body (1) outer surface is close to be enclosed with flexible layer (5), and flexible layer (5) is close to bulb (4)
One end protrude outward along bulb (4) in back taper and by metal body (1) there is big (4) one end closure of portion of Peng to form back cover
(16), the metal body (1) is fixedly connected in flexible layer (5).
2. the embedded locking back of the body bolt with flexible surrounding layer according to claim 1, which is characterized in that the flexibility
Layer (5) is directly molded in metal body (1) surface and one end with the big portion of Peng (4), and the metal body (1) is being set
There is the opening of bulb (4) one end to be provided with injection molding to lead mouth (6), the flexible layer (5) passes through note in injection molding process
Modeling leads mouth (6) into internal screw thread (3) and is filled in the locking damping layer (7) of formation in internal screw thread (3).
3. the embedded locking back of the body bolt with flexible surrounding layer according to claim 2, which is characterized in that described is locking
Damping layer (7) is formed in the 3-6 circle of internal screw thread (3) bottom.
4. the embedded locking back of the body bolt with flexible surrounding layer according to claim 2, which is characterized in that the flexibility
Layer (5) enters injection molding in injection moulding process leads mouth (6) and enters internal screw thread (3), the back cover (16), flexible layer (5), locking
Integrated through injection molding shapes damping layer (7) on metal body (1) and slotless is seamless.
5. the embedded locking back of the body bolt with flexible surrounding layer according to claim 3 or 4, which is characterized in that described
The first torque resistant structure (9) is provided on the outside of metal body (1), the flexible layer (5) is provided with and first close to inner sidewall
The compatible second torque resistant structure (10) of torque resistant structure (9), the first torque resistant structure (9) and the second torque resistant structure (10)
Cooperation is fixedly connected with flexible layer (5) and metal body (1).
6. the embedded locking back of the body bolt with flexible surrounding layer according to claim 3 or 4, which is characterized in that described
Third torque resistant structure (11) is provided on flexible layer (5) lateral wall.
7. the embedded locking back of the body bolt with flexible surrounding layer according to claim 3 or 4, which is characterized in that described
Metal body (1) is provided with encapsulation angle (12) far from one end extension of bulb (4), and the flexible layer is provided on (5)
The compatible packaging ring (13) with encapsulation angle (12), described packaging ring (13) are resisted against metal sheet in encapsulation angle (12)
Body (1) is encapsulated in flexible layer (5) inner cavity.
8. a kind of back of the body bolt using the embedded locking back of the body bolt described in the claims 1-7 any one with flexible surrounding layer
Component is bolted with back of the body bolt bar (14) in internal screw thread (3), and the back of the body bolt bar (14) is during being screwed into locking damping layer (7)
Inner wall tap out, locking damping layer (7) prevent pine in gap with being filled between internal screw thread (3) and back of the body bolt bar (14) external screw thread
It is dynamic.
9. back of the body bolt component according to claim 8, which is characterized in that the back of the body bolt bar (14) be equipped with it is several act on it is pre-
Tight counter-force squeezes the segmented thread of locking damping layer (7), the locking damping layer (7) quilt in the gap between segmented thread
The raised cambered surface (17) of the gap protrusion between segmented thread is formed after extruding.
10. back of the body bolt component according to claim 8, which is characterized in that it is provided with power part on the back of the body bolt bar (14),
Antitorque balancing flexible pad (15) is arranged on the back of the body bolt bar (14).
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CN204174796U (en) * | 2014-07-21 | 2015-02-25 | 英国保诚实业有限公司 | Anti-loosing type is carried on the back bolt and is installed pullover |
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CN104499622A (en) * | 2014-12-31 | 2015-04-08 | 李剑峰 | Vibration-absorption type eccentric back bolt and mounting method |
CN104989063A (en) * | 2015-07-24 | 2015-10-21 | 杭州斯泰新材料技术有限公司 | Back bolt and connection structure |
CN106286523A (en) * | 2015-06-02 | 2017-01-04 | 泰州市丰业金属制品有限公司 | A kind of screw type back of the body bolt |
CN109083919A (en) * | 2018-10-18 | 2018-12-25 | 湘电风能有限公司 | A kind of locking sealing device of threaded connection pair and method |
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CN201411868Y (en) * | 2009-06-12 | 2010-02-24 | 裴庭胜 | Shatter-resistant back bolt |
CN203462619U (en) * | 2013-08-01 | 2014-03-05 | 斯泰科技(杭州)有限公司 | Fatigue resistant long-acting back bolt |
CN204174796U (en) * | 2014-07-21 | 2015-02-25 | 英国保诚实业有限公司 | Anti-loosing type is carried on the back bolt and is installed pullover |
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CN104499622A (en) * | 2014-12-31 | 2015-04-08 | 李剑峰 | Vibration-absorption type eccentric back bolt and mounting method |
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