CN208702868U - A kind of fastener - Google Patents
A kind of fastener Download PDFInfo
- Publication number
- CN208702868U CN208702868U CN201821378952.7U CN201821378952U CN208702868U CN 208702868 U CN208702868 U CN 208702868U CN 201821378952 U CN201821378952 U CN 201821378952U CN 208702868 U CN208702868 U CN 208702868U
- Authority
- CN
- China
- Prior art keywords
- bar
- interior
- interior bar
- square
- pars contractilis
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a kind of fasteners, including interconnecting piece and outer connector, interconnecting piece includes interior bar, with the integrally formed square that interior bar top is arranged in of interior bar, square both ends are movably equipped with movable block, outer connector includes the limiting section of outer bar and outer bar top, interconnecting piece and outer connector are connected through a screw thread, one end of movable block is equipped with extension bar, the end outer ring of extension bar is equipped with pars contractilis, the groove for holding pars contractilis is equipped in square, pars contractilis include the protrusion being arranged on extension bar and with the matched projecting slot of protrusion, it is connected between protrusion and projecting slot by elastomeric element.After adopting the above structure, screwing for fastener is realized using square itself convenient for staff in the case of the tool of not using by the disassembly of square two sides movable block；And the setting of interior bar bottom end interior bar pars contractilis, the support to interior bar and position-limiting action are played, is avoided in vibration processes, interior bar is detached from outer bar.
Description
Technical field
The utility model relates to mounting technology fields, more particularly, to a kind of fastener.
Background technique
Currently, what is mostly used is bolt or screw when metal or nonmetallic materials connect.It is tight implementing connection to component
Gu when operation, staff needs simultaneously in the operation of component two sides, i.e., it is inserted into nut bolt in side, then in the other side
With tool, nut is tightened.This method for fastening connection structure is simple and convenient to operate, carries, but is only applicable to that spiral shell can be beaten
Pit by fastener, and in reality it is some by fastener be only capable of beat do not have threaded unthreaded hole, this bolt and nut can not be used
Connection fastening carries out fastening installation.Thread looseness would tend to occur installation, cause the feelings for being fastened failure by fastener
Condition.And when being fastened, it generally must be equipped with dedicated tool, be otherwise difficult to realize installation, brought to staff's installation
Certain puzzlement.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of easy-to-mount fastener.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of fastener, including interconnecting piece and
Outer connector, interconnecting piece include interior bar and the integrally formed square that interior bar top is arranged in of interior bar, and square both ends are movable
Equipped with movable block, outer connector includes the limiting section of outer bar and outer bar top, and interconnecting piece and outer connector are connected through a screw thread,
Interior rod outer surface is equipped with external screw thread, the through-hole passed through for interior bar is axially arranged in outer bar, and through-hole wall is equipped with and spiral shell outside interior bar
The matched internal screw thread of line, interior rod outer surface are equipped with the first spring, and the first spring can be along interior bar axial shrinkage and expansion, outer bar appearance
Face is equipped with second spring, and second spring can be equipped with extension bar, extension bar along outer bar axial stretching and expansion, one end of movable block
End outer ring be equipped with pars contractilis, the groove for holding pars contractilis is equipped in square, pars contractilis includes the protrusion being arranged on extension bar
With with the matched projecting slot of protrusion, pass through elastomeric element connection between protrusion and projecting slot.
In a preferred embodiment of the utility model, interior bar bottom end is goed deep into and is pierced by outer bar, stretches out the interior bar of outer bar
Bottom end is additionally provided with interior bar pars contractilis.
In a preferred embodiment of the utility model, pars contractilis includes telescopic block and spring, and the interior bar is equipped with
With the matched groove of telescopic block, spring is equipped between the groove and telescopic block.
In a preferred embodiment of the utility model, protrusion is the triangle outside along the tip of extension bar circumference setting
Shape block.
In a preferred embodiment of the utility model, protrusion is the outside triangle baffle in tip, using a piece of or
Multi-disc is distributed evenly on extension bar.
In a preferred embodiment of the utility model, outer bar inner ring is equipped with several recessed portions, and recessed portion is along outer bar
Circle circumference S type is uniformly distributed, and resilient insert is equipped in recessed portion, and resilient insert stretches out recessed portion in unfolded state, elasticity
Inserts is made of nylon material.
In a preferred embodiment of the utility model, the height that resilient insert stretches out recessed portion in unfolded state is
0-0.1mm。
The beneficial effects of the utility model are: after adopting the above structure, by the disassembly of square two sides movable block, being convenient for work
Make personnel in the case of without using tool, realizes screwing for fastener using square itself；The setting of resilient insert in outer bar,
Resilient insert is goed deep into the thread pitch of interior bar, the screw thread in interior bar is wrapped, avoids interior bar in outer bar
Sliding, and the setting of interior bar bottom end interior bar pars contractilis, play the support to interior bar and position-limiting action, avoid in vibration processes,
Interior bar is detached from outer bar.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is utility model works status architecture schematic diagram；
Fig. 3 is structure enlargement diagram at A in Fig. 2；
Fig. 4 is structure enlargement diagram at B in Fig. 2；
Fig. 5 is the utility model pars contractilis structural schematic diagram.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
A kind of fastener as shown in Figures 1 to 5, including interconnecting piece 1 and outer connector 2, interconnecting piece 1 include interior bar
11, and the integrally formed square 12 that interior bar top is arranged in of interior bar 11,12 opposite end of square are movably equipped with movable block 13,
Outer connector 2 includes the limiting section 22 of outer bar 21 and outer bar top, and interconnecting piece 1 and outer connector 2 are connected through a screw thread.
11 outer surface of interior bar is equipped with external screw thread 111, is axially arranged with the through-hole 23 passed through for interior bar 11, and through-hole in outer bar 21
23 inner walls, which are equipped with, is equipped with the first spring 14 with the matched internal screw thread of interior bar external screw thread, 11 outer surface of interior bar, and the first spring 14 can edge
11 axial shrinkage of interior bar and expansion, the first spring 14 is located at square 12 and by between fastener 3, and both ends are respectively held against square 12
With by fastener 3, and gradually screws in outer bar with interior bar and gradually reduce by square 12 and by fastener 3,21 appearance of outer bar
Face be equipped with second spring 24, second spring 24 can be located at along 21 axial stretching of outer bar and expansion, second spring 24 limiting section 22 and
By between fastener 3, both ends are respectively held against limiting section 22 and by fasteners 3, and gradually screw and limited in outer bar with interior bar
Position portion 22 and gradually reduced by fastener 3, convenient for fastener adapt to different dimensional thickness by fastener.
One end of movable block 13 is equipped with extension bar 131, and the end outer ring of extension bar 131 is equipped with pars contractilis, and square is opposite
Be equipped with the groove 121 for holding pars contractilis in longer two sides 12, pars contractilis include the protrusion 132 being arranged on extension bar and with it is convex
Matched projecting slot 133 is played, is connected between protrusion 132 and projecting slot 133 by elastomeric element 134, the extension bar on movable block is logical
It crosses square through-hole gradually to stretch in the groove of square, during protruding into, protrusion is constantly compressed by square through-hole wall, protrusion
It is gradually press-fit into projecting slot, when pars contractilis is integrally entered in groove, since groove has the space for accommodating protrusion, elastic portion
Part expansion release, protrusion stretch out projecting slot, movable block are avoided to drop out groove；In the present embodiment, the cross of square both ends movable block
It is isosceles triangle to section, and the side length of isosceles is identical as the side length of square, i.e., two movable blocks and square constitute just
Hexagon, convenient for realizing interior bar screwing in outer bar by spanner or screwing out.
Outer bar 21 and limiting section 22 are goed deep into and be pierced by 11 bottom end of interior bar, and 11 bottom end of interior bar of stretching limiting section 22 is additionally provided with interior
Bar pars contractilis.Interior bar pars contractilis includes interior telescopic block 15 and elastomeric element 134, and interior bar 11 is equipped with matched with interior telescopic block 15
Inner groovy 16 is equipped with elastomeric element 134 between inner groovy 16 and interior telescopic block 15；Interior bar and outer bar cooperation are completed by the tight of fastener
Gu after, support and position-limiting action to interior bar are played in the setting of interior bar pars contractilis, avoid in vibration processes, and interior bar is detached from outer
Bar.In the present embodiment, the interior telescopic block isosceles triangle baffle outside using tip, in the assembly and disassembly of interior bar and outer bar
In the process, by the slope guiding role on triangle baffle, it is inserted or pulled out outer bar convenient for interior bar, for interior bar quick insertion
Or extraction outer bar, and the position-limiting action to interior bar bottom end is played, the equal base angle angle of 2 of isosceles triangle baffle exists
Between 10-45 °.
Protrusion 132 is the triangle block outside along the tip of extension bar circumference setting, and the inclined-plane of triangle plays guiding
Effect, conveniently protrudes out into or stretches out groove, strengthen the connection between extension bar and square.
Protrusion 132 is the outside triangle baffle in tip, is distributed evenly on extension bar using one or more pieces, triangle
The inclined-plane of baffle plays guiding role, protrudes into or extracts out convenient for movable block, convenient and efficient.
21 inner ring of outer bar as shown in Figure 4 is equipped with several recessed portions 211, and recessed portion 211 uniformly divides along outer bar inner ring circumference S type
Cloth is equipped with resilient insert 212 in recessed portion 211, and resilient insert 212 stretches out recessed portion 211, resilient insert in unfolded state
212 are made of nylon materials, and the face that the top surface that resilient insert 212 is is in contact with interior bar at first is inclined-plane, and from outer bar
Inner wall play the guiding role during outer bar is with interior bar precession to being arranged at outer bar longitudinal center line from high to low, is convenient for outer bar
Connection is realized between interior bar, the angle β formed between horizontal plane at surface bottom is 60-90 °, and best angle is 75 °, in outer bar
When being connect with interior bar spiral, convenient for outer rod set on interior bar.
Resilient insert 212 stretches out the height of recessed portion in unfolded state for 0-0.1mm, optimum height 0.5mm, in this way
During outer bar and interior bar screw, due to the flexible feature of resilient insert, in the process that outer bar and interior bar screw
In, resilient insert is compressed into recessed portion, it will not influence the cooperation of outer bar and interior bar, and after outer bar and interior bar screw in place,
Resilient insert be in nature extended state, top stretch out recessed portion, pressed together with the external screw thread of interior bar, mutual extrusion, when by
To the power that impulses effect when, resilient insert correspond to interior bar external screw thread provide a frictional force, hinder interior bar out of outer bar
Sliding.
Square ontology is strip in the present embodiment, and since movable block is movably arranged in square, i.e., movable block can be from side
It being detached from block, square top is strip at this time, holds square convenient for staff and exerts oneself, realize that interior bar rotates in outer bar,
It is final to realize by the fastening of fastener；Or to adapt to work on the spot demand, movable block is removed from square both ends, expands fastener
Use scope.
It is emphasized that: the above description is only the embodiments of the present invention, is not intended to limit the utility model
The scope of the patents, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or it is straight
It connects or is used in other related technical areas indirectly, be also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of fastener, it is characterised in that: including interconnecting piece and outer connector, the interconnecting piece include interior bar, with it is interior
The integrally formed square that interior bar top is arranged in of bar, the square both ends are movably equipped with movable block, the outer connector packet
The limiting section of outer bar and outer bar top is included, the interconnecting piece and outer connector are connected through a screw thread, and the interior rod outer surface is set
There is external screw thread, the through-hole passed through for interior bar is axially arranged in the outer bar, and through-hole wall is equipped with matched with interior bar external screw thread
Internal screw thread, the interior rod outer surface are equipped with the first spring, and first spring can be along interior bar axial shrinkage and expansion, the outer bar
Outer surface is equipped with second spring, and the second spring can be along outer bar axial stretching and expansion, and one end of movable block, which is equipped with, to be stretched out
Bar, the end outer ring of extension bar are equipped with pars contractilis, are equipped with the groove for holding pars contractilis in square, pars contractilis includes setting on extension bar
The protrusion set and with the matched projecting slot of protrusion, pass through elastomeric element connection between protrusion and projecting slot.
2. fastener according to claim 1, it is characterised in that: outer bar is goed deep into and be pierced by the interior bar bottom end, stretches out outer bar
Interior bar bottom end be additionally provided with interior bar pars contractilis.
3. fastener according to claim 2, it is characterised in that: the pars contractilis includes telescopic block and spring, the interior bar
Be equipped with the matched groove of telescopic block, between the groove and telescopic block be equipped with spring.
4. fastener according to claim 1, it is characterised in that: the protrusion is outside along the tip of extension bar circumference setting
Triangle block.
5. fastener according to claim 1, it is characterised in that: the protrusion is the outside triangle baffle in tip, is used
One or more pieces are distributed evenly on extension bar.
6. fastener according to claim 1, it is characterised in that: the outer bar inner ring is equipped with several recessed portions, the recess
Portion is uniformly distributed along outer bar inner ring circumference S type, resilient insert is equipped in the recessed portion, the resilient insert is in unfolded state
When stretch out recessed portion, the resilient insert is made of nylon material.
7. fastener according to claim 6, it is characterised in that: the resilient insert stretches out recessed portion in unfolded state
Height is 0-0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378952.7U CN208702868U (en) | 2018-08-24 | 2018-08-24 | A kind of fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378952.7U CN208702868U (en) | 2018-08-24 | 2018-08-24 | A kind of fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702868U true CN208702868U (en) | 2019-04-05 |
Family
ID=65944952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821378952.7U Expired - Fee Related CN208702868U (en) | 2018-08-24 | 2018-08-24 | A kind of fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208702868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058257A (en) * | 2018-08-24 | 2018-12-21 | 扬州新棱机械制造有限公司 | A kind of fastener |
-
2018
- 2018-08-24 CN CN201821378952.7U patent/CN208702868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058257A (en) * | 2018-08-24 | 2018-12-21 | 扬州新棱机械制造有限公司 | A kind of fastener |
| CN109058257B (en) * | 2018-08-24 | 2020-12-25 | 扬州新棱机械制造有限公司 | Fastening piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205592264U (en) | From locking -type bolt | |
| CN208702868U (en) | A kind of fastener | |
| CN106523508B (en) | A kind of anti-drop bolt group and its assembly method | |
| CN201037574Y (en) | Lathe dog | |
| CN109058257A (en) | A kind of fastener | |
| CN203081978U (en) | Lock type jam nut | |
| CN204458744U (en) | Clamping bolt | |
| CN208885743U (en) | A kind of bolt | |
| CN210509900U (en) | Anti-loosening screw assembly | |
| CN201301859Y (en) | A fixing device | |
| CN202656116U (en) | Pneumatic screwdriver | |
| CN105873387A (en) | Quick dismounting board fastening device | |
| CN106523507B (en) | A kind of anti-loosening device of bolt | |
| CN201671942U (en) | Locking nut | |
| CN214465496U (en) | Multi-groove clamping type locknut | |
| KR101213456B1 (en) | a bolt assembly | |
| CN100578024C (en) | Combined bolt | |
| CN203248489U (en) | Novel bolt | |
| KR20150005285A (en) | Fasting member | |
| CN206845657U (en) | A kind of plain washer | |
| CN204755533U (en) | Multi -functional bolt | |
| CN211298807U (en) | Connecting structure of table top and table legs | |
| US20190049066A1 (en) | Quick-Release Structure for a Grease Gun | |
| CN102996601A (en) | Bolt for rapidly positioning bearing | |
| CN201027735Y (en) | Telescope tube connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20210824 |