CN107218283A - A kind of bolt - Google Patents
A kind of bolt Download PDFInfo
- Publication number
- CN107218283A CN107218283A CN201710489228.5A CN201710489228A CN107218283A CN 107218283 A CN107218283 A CN 107218283A CN 201710489228 A CN201710489228 A CN 201710489228A CN 107218283 A CN107218283 A CN 107218283A
- Authority
- CN
- China
- Prior art keywords
- screw
- bolt
- mounting
- screw rod
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims description 21
- 210000003462 vein Anatomy 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools
-
- 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
- F16B33/00—Features common to bolt and nut
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
Abstract
The invention discloses a kind of bolt, including screw head, screw rod, driver flutes, counterbore, mounting hole, antiskid bar and the first spring, the center of the bottom of the screw head is fixed with screw rod, the center on the top of the screw head offers driver flutes, the center of the driver flutes offers counterbore, the bottom of the screw head offers multiple mounting holes parallel with screw rod, slided in the mounting hole and be provided with antiskid bar, the first spring is connected between the bottom hole of the mounting hole and the upper end of antiskid bar, the screw rod includes upper screw rod, lower screw rod, mounting groove, mounting blocks, screw, through hole and fastening bolt, the upper end of the upper screw rod is fixedly connected with screw head, compared with prior art, it can facilitate and bolt is twisted, effectively prevent bolt from being loosened because of vibrations, effectively debris is prevented to be stuck between bolt and screw, improve the adaptability of bolt, enhance the service behaviour of bolt, extend the service life of bolt.
Description
【Technical field】
The present invention relates to standard component technical field, particularly a kind of bolt.
【Background technology】
Bolt：Machine components, the cylindrical threaded fastener of adapted nut.By head and screw rod with externally threaded
Cylinder class fastener dimerous, need to coordinate with nut, for being fastenedly connected two parts for carrying through hole.It is this
Type of attachment claims bolt connection.As nut is screwed off from bolt, the two parts can again separated, therefore bolt connection is category
In being detachably connected, existing bolt to twist mode relatively simple, or for example existing bolt can only be twisted with screwdriver
It can only be twisted with spanner, when instrument not with bolt matching at hand, bolt cannot just be used, and existing bolt is all
Do not possess flexible function, when needing the distance between two connected objects farther out, short bolt cannot be reached simultaneously
The screw on two objects, bolt is caused when can not be normally, moreover, existing bolt does not possess the work(of cleaning debris
Can, often there is the debris such as iron filings, existing bolt inside the screw being engaged with bolt during actual use in bolt
All be thread directly into screw, debris be easy to be stuck in caused between bolt and screw bolt tighten it is difficult or cause bolt or
The thread damage of screw, existing bolt does not possess locking function yet, and when bolt works in vibration environment, bolt holds very much
Loosening is also easy to produce, causes bolt connection not enough to fasten.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of bolt, can facilitate and bolt is carried out
Twist, effectively prevent bolt from being loosened because of vibrations, effectively prevent debris to be stuck between bolt and screw, improve the adaptation of bolt
Property, the service behaviour of bolt is enhanced, the service life of bolt is extended.
To achieve the above object, the present invention proposes a kind of bolt, including screw head, screw rod, driver flutes, counterbore, installation
Hole, antiskid bar and the first spring, the center of the bottom of the screw head are fixed with screw rod, the center on the top of the screw head
Position offers driver flutes, and the centers of the driver flutes offers counterbore, and the bottom of the screw head offers multiple
The mounting hole parallel with screw rod, slides in the mounting hole and is provided with antiskid bar, the bottom hole of the mounting hole and antiskid bar it is upper
The first spring is connected between end, the screw rod includes upper screw rod, lower screw rod, mounting groove, mounting blocks, screw, through hole and fastening
Bolt, the upper end of the upper screw rod is fixedly connected with screw head, and the lower end of the upper screw rod is offered along the axially extending of upper screw rod
Mounting groove, the upper end of the lower screw rod is fixed with the mounting blocks being engaged with mounting groove, and the mounting blocks are slided and are inserted in
In mounting groove, the sidepiece of the lower end of the upper screw rod, which offers to offer on the screw communicated with mounting groove, the mounting blocks, is in
Line style offers multiple through holes being engaged with screw, and it is interior by upper screw rod and lower spiral shell with through hole that the fastening bolt is arranged in screw
Bar is fixedly connected, and the fastening bolt is threadedly coupled with screw, and the lower end of the lower screw rod is offered prolongs along the axial direction of lower screw
Slided in the installation cavity stretched, the installation cavity and be inserted with mounting rod, connected between the upper end of the installation cavity and the upper end of mounting rod
Second spring is connected to, the sidepiece of the lower end of the mounting rod is provided with the bristle perpendicular to mounting rod.
Preferably, the cross section of the screw head and the cross section of counterbore are regular hexagon, the driver flutes are ten
Word driver flutes.
Preferably, the length of the antiskid bar is slightly less than the depth of mounting hole, the outer end of the antiskid bar is provided with anti-skidding
Line, the two ends of first spring are to be fixedly connected.
Preferably, the mounting groove and mounting blocks are designed in cuboid, the volume and mounting groove of the mounting blocks
Volume it is identical, the deep gouge on the head that can accommodate fastening bolt completely is offered on the outside of the oral area of the screw.
Preferably, the length of the mounting rod is slightly less than the depth of installation cavity, the mounting rod includes thick section and thin
Segment, described thick section of upper end is fixedly connected with the lower end of second spring, the upper end of the small sections and thick section of lower end
It is fixedly connected, described thick section of diameter is slightly less than the diameter of installation cavity, the bristle is located at small sections beyond installation cavity
Sidepiece, the external diameter of the bristle is slightly larger than the diameter of screw rod, and the upper end of the second spring and the bottom of chamber of installation cavity, which are fixed, to be connected
Connect.
Beneficial effects of the present invention：The present invention by the cross section of the cross section of screw head and counterbore by being designed to positive six side
Shape, is provided with driver flutes so that bolt can be entered with the different instrument such as screwdriver, spanner and Hexagonal jacket on the top of screw head
Row is twisted, and improves adaptability of the bolt to instrument, by being provided with mounting hole in the bottom of screw head, provided with anti-skidding in mounting hole
Bar, is provided with the first spring between mounting hole and antiskid bar, anti-slip veins is provided with the outer end of antiskid bar, when bolt is tightened it
Afterwards, spring is given antiskid bar and flexibly supported so that the outer end of antiskid bar is held out against in the outer surface of object, can effectively prevent bolt
Loosening is produced because of vibrations, anti-slip veins can strengthen the frictional force between antiskid bar and object outer surface, and skidproof effect more preferably, leads to
Cross the lower end in screw rod and be provided with mounting rod, be provided with bristle in the outside of mounting rod, when bolt is being tightened, bristle takes the lead in screw
The debris of inwall is brushed off, and is effectively prevented debris to be stuck between screw rod and screw and is caused bolt to tighten difficult or screw flight and damage
It is bad, by the way that by screw design, into upper screw rod and lower screw rod, upper screw rod and lower screw rod are slidably matched company by mounting groove and mounting blocks
Connect so that the length of screw rod can change, though the distance between two objects farther out when, screw rod still can be by two objects
It is connected, compared with prior art, can facilitates and bolt is twisted, effectively prevent bolt from being loosened because of vibrations, it is effectively anti-
Only debris is stuck between bolt and screw, improves the adaptability of bolt, is enhanced the service behaviour of bolt, is extended bolt
Service life.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural front view of bolt of the invention.
Fig. 2 is a kind of structure top view of bolt of the invention.
In figure：Screw rod under 1- screw heads, 2- screw rods, the upper screw rods of 21-, 22-, 23- mounting grooves, 24- mounting blocks, 25- screws,
26- through holes, 27- fastening bolts, 3- driver flutes, 4- counterbores, 5- mounting holes, 6- antiskid bars, the springs of 7- first, 8- installation cavitys,
Thick section of 9- mounting rods, 91-, 92- small sections, 10- second springs, 11- bristles.
【Embodiment】
Refering to Fig. 1,2, a kind of bolt of the invention, including it is screw head 1, screw rod 2, driver flutes 3, counterbore 4, mounting hole 5, anti-skidding
The spring 7 of bar 6 and first, the center of the bottom of the screw head 1 is fixed with screw rod 2, the centre bit on the top of the screw head 1
Put and offer driver flutes 3, the centers of the driver flutes 3 offers counterbore 4, the bottom of the screw head 1 offers many
The individual mounting hole 5 parallel with screw rod 2, slides in the mounting hole 5 and is provided with antiskid bar 6, the bottom hole of the mounting hole 5 with it is anti-skidding
The first spring 7 is connected between the upper end of bar 6, the screw rod 2 includes upper screw rod 21, lower screw rod 22, mounting groove 23, mounting blocks
24th, screw 25, through hole 26 and fastening bolt 27, the upper end of the upper screw rod 21 are fixedly connected with screw head 1, the upper screw rod 21
Lower end offers the axially extending mounting groove 23 along upper screw rod 21, and the upper end of the lower screw rod 22 is fixed with and mounting groove 23
The mounting blocks 24 being engaged, the mounting blocks 24 are slided and are inserted in mounting groove 23, and the sidepiece of the lower end of the upper screw rod 21 is opened
Provided with the screw 25 communicated with mounting groove 23, offer to offer in line style on the mounting blocks 24 and multiple be engaged with screw 25
Through hole 26, the fastening bolt 27 is arranged in screw 25 and through hole 26 and is fixedly connected with upper screw rod 21 and lower screw rod 22, institute
State fastening bolt 27 to be threadedly coupled with screw 25, the lower end of the lower screw rod 22 offers the axially extending peace along lower screw 22
It behave affectedly 8, is slided in the installation cavity 8 and be inserted with mounting rod 9, connected between the upper end of the installation cavity 8 and the upper end of mounting rod 9
Have a second spring 10, the sidepiece of the lower end of the mounting rod 9 is provided with the bristle 11 perpendicular to mounting rod 9, the screw head 1 it is transversal
Face and the cross section of counterbore 4 are regular hexagon, and the driver flutes 3 are Philip's head screw cutter groove, and the length of the antiskid bar 6 is omited
Less than the depth of mounting hole 5, the outer end of the antiskid bar 6 is provided with anti-slip veins, and the two ends of first spring 7 are to be fixedly connected,
The mounting groove 23 and mounting blocks 24 are designed in cuboid, the volume of the mounting blocks 24 and the volume phase of mounting groove 23
Together, the deep gouge on the head that can accommodate fastening bolt 27 completely, the mounting rod 9 are offered on the outside of the oral area of the screw 25
Length be slightly less than the depth of installation cavity 8, the mounting rod 9 includes thick section 91 and small sections 92, described thick section 91 upper
End is fixedly connected with the lower end of second spring 10, and the upper end of the small sections 92 is fixedly connected with thick section 91 of lower end, described
Thick section 91 of diameter is slightly less than the diameter of installation cavity 8, and the bristle 11 is located at side of the small sections 92 beyond installation cavity 8
Portion, the external diameter of the bristle 11 is slightly larger than the diameter of screw rod 2, and the upper end and the bottom of chamber of installation cavity 8 of the second spring 10 are fixed
Connection.
The course of work of the present invention：
A kind of bolt of the present invention in the course of the work, when when using the bolt, can clamp spiral shell by using spanner
First 1 sidepiece is inserted in counterbore 4 or is inserted in the cutter head of screwdriver with Hexagonal jacket bolt is carried out in driver flutes 3
Twist, when the bolt is being tightened, mounting rod 9 can advancing into screw in screw rod 2, the bristle 11 in the outside of mounting rod 9
The debris of screw inwall can be brushed off, effectively prevent the debris of screw inwall to be stuck between screw rod 2 and screw, due to mounting rod 9
Including thick section 91 and small sections 92, even if mounting rod 9 is by jacking installation cavity 8, bristle 11 still there is certain space to deposit
Put, bristle 11 is difficult to be subject to crushing, after bolt is tightened, antiskid bar 6 can be got into mounting hole 5 by object, now the first bullet
Spring 7 is compressed, and the first spring 7 is given antiskid bar 6 and flexibly supported so that antiskid bar 6 is held out against in the outer surface of object, can be effective
Prevent bolt from producing loosening because of vibrations, anti-slip veins can strengthen the frictional force between antiskid bar 6 and object outer surface, when being connected
The distance between two objects connect farther out when, fastening bolt 27 can be loosened mounting blocks 24 are slided along mounting groove 23
It is dynamic, then allow different through holes 26 corresponding with screw 25, mounting blocks 24 are then fixed on mounting groove with fastening bolt 27 again
Inside 23 so that the length of screw rod 2 changes, be capable of the adaptability of elevator bolt, compared with prior art, can conveniently pair
Bolt is twisted, and effectively prevents bolt from being loosened because of vibrations, effectively prevents debris to be stuck between bolt and screw, improves spiral shell
The adaptability of bolt, enhances the service behaviour of bolt, extends the service life of bolt.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (5)
1. a kind of bolt, it is characterised in that：Including screw head (1), screw rod (2), driver flutes (3), counterbore (4), mounting hole (5),
Antiskid bar (6) and the first spring (7), the center of the bottom of the screw head (1) are fixed with screw rod (2), the screw head (1)
The center on top offer driver flutes (3), the center of the driver flutes (3) offers counterbore (4), described
The bottom of screw head (1) offers in multiple mounting holes (5) parallel with screw rod (2), the mounting hole (5) and slided provided with anti-skidding
Bar (6), is connected with the first spring (7), screw rod (2) bag between the bottom hole of the mounting hole (5) and the upper end of antiskid bar (6)
Include screw rod (21), lower screw rod (22), mounting groove (23), mounting blocks (24), screw (25), through hole (26) and fastening bolt
(27), the upper end of the upper screw rod (21) is fixedly connected with screw head (1), and the lower end of the upper screw rod (21) is offered along upper screw rod
(21) axially extending mounting groove (23), the upper end of the lower screw rod (22) is fixed with the peace being engaged with mounting groove (23)
Block (24) is filled, the mounting blocks (24), which are slided, to be inserted in mounting groove (23), and the sidepiece of the lower end of the upper screw rod (21) is opened up
Have to offer on the screw (25) communicated with mounting groove (23), the mounting blocks (24) and offer multiple and screw (25) in line style
The through hole (26) being engaged, it is interior by upper screw rod (21) and lower spiral shell with through hole (26) that the fastening bolt (27) is arranged in screw (25)
Bar (22) is fixedly connected, and the fastening bolt (27) is threadedly coupled with screw (25), and the lower end of the lower screw rod (22) is offered
Slided along the axially extending installation cavity (8) of lower screw (22), in the installation cavity (8) and be inserted with mounting rod (9), it is described to install
Second spring (10), the sidepiece of the lower end of the mounting rod (9) are connected between the upper end of chamber (8) and the upper end of mounting rod (9)
Provided with the bristle (11) perpendicular to mounting rod (9).
2. a kind of bolt as claimed in claim 1, it is characterised in that：The cross section of the screw head (1) and counterbore (4) it is transversal
Face is regular hexagon, and the driver flutes (3) are Philip's head screw cutter groove.
3. a kind of bolt as claimed in claim 1, it is characterised in that：The length of the antiskid bar (6) is slightly less than mounting hole (5)
Depth, the outer end of the antiskid bar (6) is provided with anti-slip veins, and the two ends of first spring (7) is are fixedly connected with.
4. a kind of bolt as claimed in claim 1, it is characterised in that：The mounting groove (23) and mounting blocks (24) are in rectangular
Curvature, the volume of the mounting blocks (24) is identical with the volume of mounting groove (23), the outside of the oral area of the screw (25)
Offer the deep gouge on the head that can accommodate fastening bolt (27) completely.
5. a kind of bolt as any one of Claims 1-4, it is characterised in that：The length of the mounting rod (9) is smaller
Depth in installation cavity (8), the mounting rod (9) include thick section (91) and small sections (92), thick section (91) it is upper
End is fixedly connected with the lower end of second spring (10), and the upper end of the small sections (92) is fixed with the lower end of thick section (91) to be connected
Connect, the diameter of thick section (91) is slightly less than the diameter of installation cavity (8), and the bristle (11) is located at small sections (92) and is located at peace
The sidepiece behaveing affectedly beyond (8), the external diameter of the bristle (11) is slightly larger than the diameter of screw rod (2), the second spring (10) it is upper
End is fixedly connected with the bottom of chamber of installation cavity (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489228.5A CN107218283A (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489228.5A CN107218283A (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218283A true CN107218283A (en) | 2017-09-29 |
Family
ID=59950323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489228.5A Pending CN107218283A (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218283A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050112880A (en) * | 2004-05-28 | 2005-12-01 | 삼성전자주식회사 | Volt with polygonal head |
| CN203081979U (en) * | 2013-01-05 | 2013-07-24 | 陈文辉 | Novel bolt |
| CN204200801U (en) * | 2014-10-27 | 2015-03-11 | 苏州市吴中区光福金凤五金厂 | A kind of Novel brush dirt bolt |
| CN204200802U (en) * | 2014-10-27 | 2015-03-11 | 苏州市吴中区光福金凤五金厂 | A kind of Novel bolt |
| CN204599717U (en) * | 2015-05-21 | 2015-09-02 | 潍坊医学院 | Prevention and health care cleaning nursing device |
| CN204743047U (en) * | 2015-05-21 | 2015-11-11 | 潍坊医学院 | Prevent degassing unit for health care |
| CN105422564A (en) * | 2015-12-10 | 2016-03-23 | 重庆旺德福金属结构有限公司 | Length-adjustable metal rod structure |
| CN105605075A (en) * | 2016-03-01 | 2016-05-25 | 成都亨通兆业精密机械有限公司 | Bolt with anti-slack function under vibration |
| CN205371242U (en) * | 2016-02-01 | 2016-07-06 | 浙江明泰标准件有限公司 | Novel rust -resistant bolt that loses |
| CN205744807U (en) * | 2016-06-23 | 2016-11-30 | 海盐瑞利紧固件有限公司 | A kind of anti-loosening bolt of modified form |
| CN106539540A (en) * | 2016-12-09 | 2017-03-29 | 安徽金钗石斛有限公司 | A kind of Multifunctional broom that can be shunk |
| CN207278663U (en) * | 2017-06-24 | 2018-04-27 | 海盐三鑫机械有限公司 | A kind of bolt |
-
2017
- 2017-06-24 CN CN201710489228.5A patent/CN107218283A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050112880A (en) * | 2004-05-28 | 2005-12-01 | 삼성전자주식회사 | Volt with polygonal head |
| CN203081979U (en) * | 2013-01-05 | 2013-07-24 | 陈文辉 | Novel bolt |
| CN204200801U (en) * | 2014-10-27 | 2015-03-11 | 苏州市吴中区光福金凤五金厂 | A kind of Novel brush dirt bolt |
| CN204200802U (en) * | 2014-10-27 | 2015-03-11 | 苏州市吴中区光福金凤五金厂 | A kind of Novel bolt |
| CN204599717U (en) * | 2015-05-21 | 2015-09-02 | 潍坊医学院 | Prevention and health care cleaning nursing device |
| CN204743047U (en) * | 2015-05-21 | 2015-11-11 | 潍坊医学院 | Prevent degassing unit for health care |
| CN105422564A (en) * | 2015-12-10 | 2016-03-23 | 重庆旺德福金属结构有限公司 | Length-adjustable metal rod structure |
| CN205371242U (en) * | 2016-02-01 | 2016-07-06 | 浙江明泰标准件有限公司 | Novel rust -resistant bolt that loses |
| CN105605075A (en) * | 2016-03-01 | 2016-05-25 | 成都亨通兆业精密机械有限公司 | Bolt with anti-slack function under vibration |
| CN205744807U (en) * | 2016-06-23 | 2016-11-30 | 海盐瑞利紧固件有限公司 | A kind of anti-loosening bolt of modified form |
| CN106539540A (en) * | 2016-12-09 | 2017-03-29 | 安徽金钗石斛有限公司 | A kind of Multifunctional broom that can be shunk |
| CN207278663U (en) * | 2017-06-24 | 2018-04-27 | 海盐三鑫机械有限公司 | A kind of bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
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Application publication date: 20170929 |