CN107939804A - A kind of double rod bolt - Google Patents
A kind of double rod bolt Download PDFInfo
- Publication number
- CN107939804A CN107939804A CN201810000906.1A CN201810000906A CN107939804A CN 107939804 A CN107939804 A CN 107939804A CN 201810000906 A CN201810000906 A CN 201810000906A CN 107939804 A CN107939804 A CN 107939804A
- Authority
- CN
- China
- Prior art keywords
- bolt
- bar
- screw thread
- external screw
- double rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 238000012856 packing Methods 0.000 description 40
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
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
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention discloses a kind of double rod bolt, including outer bolt and inner bolt, the outer bolt includes the outer bolt head of integrative-structure and the outer bolt bar of end is extended to equipped with external screw thread, the outer bolt is axially offered runs through axis hole through outer bolt head and outer bolt bar, the inner bolt includes inner bolt head and inner bolt bar, the diameter of the inner bolt head is more than the diameter through axis hole, the inner bolt bar is worn from the port at the first end of outer bolt to be inserted through in axis hole and its end is piercing in the end of outer bolt bar, and the end of the inner bolt bar is equipped with the first external screw thread；Mutually pin down by adding inner bolt through outer bolt come further with screwing togather locking, both during fastening uses therefore be not likely to produce loosening, so as to lift anti-loosing effect.
Description
Technical field
The present invention relates to fastener areas, is specifically related to bolt.
Background technology
Its structure of bolt generally includes the bolt head and shank of bolt of integrative-structure, and shank of bolt is equipped with external screw thread, and fastening makes
With being in the bolt hole for intert shank of bolt object to be tightened, being equipped with the bolt hole can be with the external screw thread on shank of bolt
The internal thread screwed togather is matched, is screwed togather by rotating bolt head and tightens bolt, that is, completes fastening, such fastening easily loosens, special
It is even more easily to loosen, for the locking fastening used at present when not being used in the object fastening for being in vibration environment for a long time
It is locking to realize using the preceding lock washer that is arranged on shank of bolt, but existing this plain bolt is unsuitable for preventing using some
Pine requires tightened up object to fasten.In view of this, inventor endeavours to study elevator bolt anti-loosing effect with great concentration, there is this then
Case produces.
The content of the invention
It is an object of the invention to provide a kind of a kind of double rod bolt that can effectively lift anti-loosing effect.
To achieve the above object, the technical scheme is that：A kind of double rod bolt, including outer bolt and inner bolt, institute
Stating outer bolt includes the outer bolt head of integrative-structure and the outer bolt bar of end is extended to equipped with external screw thread, and the outer bolt is axial
Offer and run through axis hole through outer bolt head and outer bolt bar, the inner bolt includes inner bolt head and inner bolt bar, described
The diameter of inner bolt head is more than the diameter through axis hole, and the inner bolt bar is worn from the port at the first end of outer bolt and is inserted through axis
In hole and its end is piercing in the end of outer bolt bar, and the end of the inner bolt bar is equipped with the first external screw thread.
The inner wall at end of the outer bolt bar is equipped with internal thread, and the one week uniformly distributed interval in end of the outer bolt bar opens up
There is a plurality of axial bar to slot, the inner bolt bar is equipped with for the second external screw thread with the internal screw-thread screw of outer bolt bar, institute
The internal thread section of outer bolt bar can be strutted when stating the internal screw-thread screw of the second external screw thread section and outer bolt bar.
The length of the axial bar fluting is more than the length of the internal thread section of outer bolt bar.
Locking layer is coated with the external screw thread of the outer bolt bar.
Locking layer is coated with first external screw thread of the inner bolt bar.
The diameter of first external screw thread section of the inner bolt bar is less than the diameter of the second external screw thread section.
The outer bolt head is outer polygonized structure, offers the counterbore for the insertion of inner bolt head, the inner bolt thereon
Head is outer polygonized structure or is that inner polygon hole is offered on external circular structure.
The counterbore of polygonized structure is offered on the outer bolt head, the inner bolt head is outer polygonized structure or is outer
Inner polygon hole is offered on circular configuration.
By using above-mentioned technical proposal, the beneficial effects of the invention are as follows：The spiral shell that the double rod bolt of the matching present invention screws togather
The structure of keyhole have two in different-diameter internal thread hole, it is described be relatively large in diameter including overall diameter is less, pass through increasing
If inner bolt mutually pins down come further with screwing togather locking, both during fastening uses through outer bolt therefore is not likely to produce loosening,
The internal threaded regions of outer bolt bar are strutted during above-mentioned further structure setting fastening uses by the second external screw thread of inner bolt bar
Section slightly produces deformation, is fitted close the external screw thread of outer bolt bar and the section that is relatively large in diameter of bolt hole, in conjunction with it is above-mentioned into
The structure setting of one step, can also configure lock washer use, so as to more preferably achieve the purpose that present invention lifting anti-loosing effect, this hair
The double rod bolt of bright structure, though being double rod, both can match close setting, and overall construction intensity will not weaken, and due to
The anti-loosing effect that it is realized is preferable, therefore the fastening for being applicable to big machinery, steel building, specific customization bolt etc. makes
With.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of double rod bolt of the present invention；
Fig. 2 and Fig. 3 is a kind of schematic cross-sectional view of double rod bolt of the present invention.
Fig. 4 is a kind of schematic cross-sectional view of double-deck lock washer of the present invention；
Fig. 5 is a kind of structure diagram of double-deck lock washer of the present invention；
Fig. 6 is a kind of schematic cross-sectional view of another structure of double-deck lock washer of the present invention；
Fig. 7 is a kind of structure diagram of another structure of double-deck lock washer of the present invention；
Fig. 8 and Fig. 9 is a kind of structure diagram of novel elastic packing ring of the present invention.
In figure：
Outer bolt 1；Outer bolt first 11；Counterbore 111；
Outer bolt bar 12；External screw thread 121；Through axis hole 13；Axial bar fluting 14；
Inner bolt 2；Inner bolt first 21；Inner bolt bar 22；
First external screw thread 221；Second external screw thread 222；
Locking layer 3；Bolt hole 10.
First packing ring 31；Second packing ring 32；Notch 33；
First packing ring 34；Second packing ring 35；Raised line 36；Central siphon 37；Step groove 38；
Elastic washer 39；Notch 310.
Lower floor's plain washer 51；Upper strata elastic washer 52；Contact plane 521；Raised line 522；
Separation seam 53.
Embodiment
In order to further explain the technical solution of the present invention, the present invention is explained in detail below by specific embodiment
State.
A kind of double rod bolt disclosed by the invention, as shown in Figure 1, Figure 2 and Figure 3, including outer bolt 1 and inner bolt 2, it is described
Outer bolt 1 includes the outer bolt first 11 of integrative-structure and the outer bolt bar 12 of end, the outer spiral shell is extended to equipped with external screw thread 121
Bolt 1 is axial to be offered and runs through axis hole 13 through outer bolt first 11 and outer bolt bar 12, and the inner bolt 2 includes inner bolt first 21
With inner bolt bar 22, the diameter of the inner bolt first 21 is more than the diameter through axis hole 13, and the inner bolt bar 22 is from outer bolt
The port of first 11 one end, which is worn, to be inserted through in axis hole 13 and its end is piercing in the end of outer bolt bar 12, the inner bolt bar 22
End be equipped with the first external screw thread 221；The structure for matching the bolt hole 10 that above-mentioned double rod bolt screws togather as shown in FIG., has
The internal thread hole of different-diameter in two, the confession being relatively large in diameter including overall diameter is less being relatively large in diameter and outer bolt
Screw togather, and diameter is less, for being screwed togather with inner bolt, first can wear inner bolt 2 and is inserted through in axis hole 13 before fastening uses,
But do not screw togather with outer bolt 1 first, can be also inserted through after outer bolt 1 screws togather locking on bolt hole 10 in axis hole 13 simultaneously wearing
Screwed togather with outer bolt 1 and bolt hole 10.
The effect of outer bolt first 11 and inner bolt first 21 is mainly used for withstanding outer surface and for coordinating locking tool elastic
Bolt, in the present embodiment, the outer bolt first 11 can be outer polygonized structure, can be common outer hexagonal structure for spanner etc.
Tool holder rotates, and to cause inner bolt first 21 not protrude, offers on the outer bolt first 11 and is embedded in for inner bolt first 21
First for inner bolt 21 fastening of counterbore 111 when be embedded in, and the inner bolt first 21 can be outer polygonized structure or be outer ring knot
Inner polygon hole is offered on structure；The outer bolt first 11 is that circular to offer internal polygon counterbore thereon (can be normal
The interior hexagonal structure seen), it can be not only used for coordinating interior hex tool to be inserted into elastic rotation, and available for embedding for inner bolt first 21
Enter, but the outer bolt first 11 of this structure, whens fastening uses must first screw togather fastening outer bolt 1, then intert and screwed togather into inner bolt 2
Fastening, when loose bolt the inner bolt 2 that then must first come loose take out, the outer bolt 1 that can just come loose takes out, and inner bolt first 21 equally can be then
Outer polygonized structure is to offer inner polygon hole on external circular structure.In addition, the double rod bolt of said structure is same when using
Sample can configure the use such as packing ring, lock washer, can further lift fastening effect, anti-loosing effect.
As shown in FIG., set for further lifting anti-loosing effect, the present embodiment in the inner wall at end of the outer bolt bar 12
There is internal thread 122, in addition, one week uniformly distributed is spaced apart in the end of the outer bolt bar 12 is equipped with a plurality of axial bar fluting 14, and
The inner bolt bar 22 is equipped with the second external screw thread 222 screwed togather for the internal thread 122 with outer bolt bar 12, the second outer spiral shell
22 section of line and the internal thread 122 of outer bolt bar 12 can strut 122 section of internal thread of outer bolt bar 12 when screwing togather, the knot
Structure is set must be by the ruler of design to parameters such as the diameter between 22 three of bolt hole 10, outer bolt bar 12 and inner bolt bar, screw threads
It is very little precisely to set, the effect that 122 section of internal thread of outer bolt bar 12 is strutted and is fastened with bolt hole 10 is can be only achieved, here
The effect of axial bar fluting 14 is in order to which the deformation of 122 section of internal thread struts, to be preferably beneficial to deformation, the axial bar
The length of fluting 14 is preferably greater than the length of 122 section of internal thread of outer bolt bar 12.
In addition, it is coated with the external screw thread 121 of the outer bolt bar 12 and/or the first external screw thread 221 of inner bolt bar 22
Locking layer 3, is usually topical application, locking layer can be very thin one layer of rubber layer or other can be locking coating, the structure
Setting can further lift anti-loosing effect, and the screw thread of other positions may also set up locking layer.
For ease of screwing togather for inner bolt 2 and outer bolt 1 and bolt hole 10, the first external screw thread 221 of the inner bolt bar 22
The diameter of section is smaller than the diameter of 222 section of the second external screw thread, and such first external screw thread 221 can not have to and outer bolt bar 12
Internal thread 122 screw togather or screw togather loosely, also just can pass through internal thread 122 and bolt easy to 221 section of the first external screw thread
Hole 10 screws togather.
Above-mentioned double rod bolt is applied to long-term vibration etc. and easily causes the fastening environment that bolt comes loose to use, be preferably made size compared with
Big fastener, so that preferably to improve overall structural strength, service life is grown, and anti-loosing effect is obvious.
The two kinds of double rod for being well suited to above two embodiment bolts are provided below to use and with the pad of elastic anti-loosing effect
Coil structures.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, a kind of double-deck lock washer, including two the first packing rings overlapped with one heart
31 and second packing ring 32, the outer rim of first packing ring 31 and second packing ring 32 is distinguished opposite outward bending and is tilted, the first packing ring
31 and the structure of second packing ring 32 be identical, therefore when producing, as long as producing a kind of packing ring of structure, then come opposite two-by-two
Stack and be set together, production is simple, and two layers is realized elastic construction at the same time, therefore can reduce each layer thickness；In the present embodiment,
First packing ring 31 and second packing ring 32, which can fix, to be bonded together with globality, prevents random shift position, does not reach
Anti-loosing effect；Tilt and formed further, since elastic effect is outer rim bending, and for packing ring different size, it is different using material,
The factors such as thickness difference, the elastic effect realized is different, therefore the present embodiment can be further, as shown in FIG., described first
360 degree of the outer rim of packing ring 31 and second packing ring 32 uniformly opens up jagged 33, and the ring of whole circle outer rim has been cut off in the setting of notch 33
Type bond strength, can preferably realize beneficial to elastic effect, specifically should be according to thickness material of actual production etc. because usually setting
Put.
In addition, it is respectively equipped with what is be mutually fitted together on the first packing ring 34 described in the present embodiment and the opposite face of second packing ring 35
Limiting structure, specifically as shown in FIG., the limiting structure is 360 degree respectively on first packing ring 34 and second packing ring 35
Uniformly be spaced the raised line 36 of projection, when being fitted together to, the raised line 36 of first packing ring 34 and second packing ring 35 mutually stagger it is chimeric, two
Person also just cannot arbitrarily be rotated by the mutually limitation of raised line 36, to improve the globality of packing ring in the present embodiment, further
Riveted together between first packing ring 34 and second packing ring 35 by central siphon 37, first packing ring 34 and second packing ring 35
The outside side in inside edge on offer the step groove 38 that riveted is passed through for central siphon 37 respectively, passing through central siphon 37 will both riveted
Together, connection is not readily separated, and by central siphon 37 come riveted, to cause the assembling tightness of the first packing ring 34 and second packing ring 35
More preferably, the present embodiment is further, elastic washer 39 is equipped between first packing ring 34 and second packing ring 35, elastic washer 39 can
To be spring ring or rubber ring etc., both will be strutted between the first packing ring 34 and second packing ring 35 by elastic washer 39, should
Structure setting can also be in packing ring in use, playing the role of bradyseism, and reduction nut or bolt are produced loosening by vibration influence, because
Fastening of the packing ring of this present embodiment structure particularly suitable for vibration environment.
As shown in Figure 8 and Figure 9, a kind of novel elastic packing ring, including lower floor's plain washer 51 of integrative-structure and upper strata elasticity
Packing ring 52, integrative-structure structural strength is more preferable, and globality is also preferable, between lower floor's plain washer 51 and upper strata elastic washer 52
Opposite sides offer separation seam 53, the part that the upper strata elastic washer 52 corresponds to separation seam 53 is folded upward at tilting, bullet
Property packing ring can be made of spring steel, when manufacturing, cut out separation seam 53, the part for reprocessing corresponding separation seam 53 is upward
Bending tilts, i.e., shaping, which can be pressurized, produces elasticity tension, and lower floor's plain washer 51 is connect with the body surface to be locked during use
Touch, preferably scattered pressure, and the raised portion of upper strata elastic washer 52 is then contacted with fastener, for so that upper strata in the present embodiment
The raised portion of elastic washer 52 is preferably contacted with fastener, and the upper strata elastic washer 52 is folded upward at the part tilted
Upper surface has contact plane 521, and so contact is more steady, and elasticity tension effect also more balances.
The present embodiment can also be further, and as shown in FIG., radial equipartition interval is laid with raised line on the contact plane 521
522, so it can increase resistance so as to preferably realize anti-loosing effect, in addition, lower floor's plain washer 51 with fastener contact
Lateral surface be equipped with annular groove 11, be embedded with rubber washer 12 in the annular groove 11, which can
Enough preferable protection body surfaces are less easily damaged, additionally it is possible to the locking effect of bradyseism are played, for the lock of different materials object
Gu such as the surface for preferably protection object, the diameter of lower floor's plain washer 51 can be more than the diameter of upper strata elastic washer 52,
Area increased, reduces pressure.
Above-described embodiment and schema are only to disclose example structure and non-limiting product form of the invention and style, are appointed
The appropriate change or modification what person of an ordinary skill in the technical field does it, all should be regarded as not departing from the special of the present invention
Sharp category.
Claims (10)
- A kind of 1. double rod bolt, it is characterised in that：Including outer bolt and inner bolt, the outer bolt includes the outer spiral shell of integrative-structure Bolt head and the outer bolt bar that end is extended to equipped with external screw thread, the outer bolt are axially offered through outer bolt head and outer bolt Bar runs through axis hole, and the inner bolt includes inner bolt head and inner bolt bar, and the diameter of the inner bolt head, which is more than, runs through axis hole Diameter, the inner bolt bar is worn from the port at the first end of outer bolt to be inserted through in axis hole and its end is piercing in outer bolt bar End, the end of the inner bolt bar is equipped with the first external screw thread.
- A kind of 2. double rod bolt as claimed in claim 1, it is characterised in that：The inner wall at end of the outer bolt bar is equipped with interior Screw thread, one week uniformly distributed is spaced apart in end of the outer bolt bar are equipped with a plurality of axial bar fluting, and the inner bolt bar is equipped with For the second external screw thread of the internal screw-thread screw with outer bolt bar, the internal screw-thread screw of the second external screw thread section and outer bolt bar When the internal thread section of outer bolt bar can be strutted.
- A kind of 3. double rod bolt as claimed in claim 2, it is characterised in that：The length of the axial bar fluting is more than outer spiral shell The length of the internal thread section of tightening latch.
- A kind of 4. double rod bolt as described in claim 1-3 any one, it is characterised in that：The external screw thread of the outer bolt bar It is upper to be coated with locking layer, and/or, locking layer is coated with the first external screw thread of the inner bolt bar.
- A kind of 5. double rod bolt as claimed in claim 2, it is characterised in that：Coated with anti-on the external screw thread of the outer bolt bar Loose layer, and/or, locking layer is coated with the first external screw thread of the inner bolt bar.
- A kind of 6. double rod bolt as claimed in claim 4, it is characterised in that：First external screw thread section of the inner bolt bar Diameter is less than the diameter of the second external screw thread section.
- A kind of 7. double rod bolt as described in claim 1-3 any one, it is characterised in that：The outer bolt head is outer polygon Shape structure, offers the counterbore for the insertion of inner bolt head thereon, and the inner bolt head is outer polygonized structure or is outer ring knot Inner polygon hole is offered on structure.
- A kind of 8. double rod bolt as claimed in claim 4, it is characterised in that：The outer bolt head is outer polygonized structure, its On offer counterbore for the insertion of inner bolt head, the inner bolt head is outer polygonized structure or is to be offered on external circular structure Inner polygon hole.
- A kind of 9. double rod bolt as described in claim 1-3 any one, it is characterised in that：Offered on the outer bolt head The counterbore of polygonized structure, the inner bolt head are outer polygonized structure or are that inner polygon hole is offered on external circular structure.
- A kind of 10. double rod bolt as claimed in claim 4, it is characterised in that：Polygon knot is offered on the outer bolt head The counterbore of structure, the inner bolt head are outer polygonized structure or are that inner polygon hole is offered on external circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000906.1A CN107939804A (en) | 2018-01-02 | 2018-01-02 | A kind of double rod bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000906.1A CN107939804A (en) | 2018-01-02 | 2018-01-02 | A kind of double rod bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939804A true CN107939804A (en) | 2018-04-20 |
Family
ID=61937238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810000906.1A Withdrawn CN107939804A (en) | 2018-01-02 | 2018-01-02 | A kind of double rod bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939804A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644212A (en) * | 2018-07-24 | 2018-10-12 | 合肥仨力机械制造有限公司 | A kind of screw rod fastener with backing stop structure |
| CN108644215A (en) * | 2018-07-24 | 2018-10-12 | 合肥仨力机械制造有限公司 | A kind of Multifunctional bolt |
| CN108691870A (en) * | 2018-06-12 | 2018-10-23 | 中冶京诚工程技术有限公司 | A kind of Split type bolt |
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN110107575A (en) * | 2019-05-30 | 2019-08-09 | 河北鑫泰轴承锻造有限公司 | A kind of primary and secondary setscrew component |
| CN110374982A (en) * | 2019-08-09 | 2019-10-25 | 嘉兴凯顺科技有限公司 | A kind of automobile backing-up screw |
| CN110388373A (en) * | 2019-07-31 | 2019-10-29 | 嘉兴同辉汽配有限公司 | A kind of locking combined type automobile oil groove bolt |
| CN112081809A (en) * | 2020-09-04 | 2020-12-15 | 浙江润锦汽车科技有限公司 | Transmission separation shifting fork supporting bolt with POE (polyolefin elastomer) ball head part and preparation method thereof |
| CN113202360A (en) * | 2021-04-27 | 2021-08-03 | 苏州华益盛汽车零部件有限公司 | Tolerance absorption fixing device |
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| CN1219654A (en) * | 1997-12-09 | 1999-06-16 | 株式会社缇·卡托 | Lock washer and locking device using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691870A (en) * | 2018-06-12 | 2018-10-23 | 中冶京诚工程技术有限公司 | A kind of Split type bolt |
| CN108691870B (en) * | 2018-06-12 | 2024-02-06 | 中冶京诚工程技术有限公司 | Split bolt |
| CN108644212A (en) * | 2018-07-24 | 2018-10-12 | 合肥仨力机械制造有限公司 | A kind of screw rod fastener with backing stop structure |
| CN108644215A (en) * | 2018-07-24 | 2018-10-12 | 合肥仨力机械制造有限公司 | A kind of Multifunctional bolt |
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN110107575A (en) * | 2019-05-30 | 2019-08-09 | 河北鑫泰轴承锻造有限公司 | A kind of primary and secondary setscrew component |
| CN110388373A (en) * | 2019-07-31 | 2019-10-29 | 嘉兴同辉汽配有限公司 | A kind of locking combined type automobile oil groove bolt |
| CN110374982A (en) * | 2019-08-09 | 2019-10-25 | 嘉兴凯顺科技有限公司 | A kind of automobile backing-up screw |
| CN112081809A (en) * | 2020-09-04 | 2020-12-15 | 浙江润锦汽车科技有限公司 | Transmission separation shifting fork supporting bolt with POE (polyolefin elastomer) ball head part and preparation method thereof |
| CN113202360A (en) * | 2021-04-27 | 2021-08-03 | 苏州华益盛汽车零部件有限公司 | Tolerance absorption fixing device |
| CN116291068A (en) * | 2023-04-26 | 2023-06-23 | 重庆长安汽车股份有限公司 | Tolerance regulator and hidden electric out-opening door handle assembly |
| CN116291068B (en) * | 2023-04-26 | 2024-05-10 | 重庆长安汽车股份有限公司 | Tolerance regulator and hidden electric out-opening door handle assembly |
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Application publication date: 20180420 |
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