CN207195433U - Bayonet unit - Google Patents
Bayonet unit Download PDFInfo
- Publication number
- CN207195433U CN207195433U CN201720963704.8U CN201720963704U CN207195433U CN 207195433 U CN207195433 U CN 207195433U CN 201720963704 U CN201720963704 U CN 201720963704U CN 207195433 U CN207195433 U CN 207195433U
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- Prior art keywords
- hole
- hole wall
- buckle
- group
- blocked
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Abstract
The utility model provides a kind of bayonet unit, including：Fastener, there is pedestal and the two groups of clamping parts extended downwardly out from pedestal；Hole clipping part, offers circular blocked hole thereon, and blocked hole has two groups of circular arc hole walls；Wherein, the circle where two groups of circular arc hole walls is concentric circles, and its center of circle is the center of blocked hole；First group of clamping part is configured to rotationally abut at least partly close to first group of hole wall at blocked hole center, prevents fastener produces from moving radially；The lower end of second group of clamping part is formed with grab, it is configured to against second group of hole wall for being at least partially away from blocked hole center insertion blocked hole, through blocked hole and the lower surface of hole clipping part is hooked on from after the upper surface of hole clipping part insertion blocked hole in clamping part, to prevent fastener from producing axial movement.Bayonet unit of the present utility model can more be stablized when fastener rotates in blocked hole due to can limit its fastener axial float and radially two groups of clamping parts rocking respectively.
Description
Technical field
Attachment structure is the utility model is related to, more particularly to a kind of bayonet unit.
Background technology
Current can realize that the attachment structure rotated needs a variety of position limiting structures come the company of control respectively by shaft hole matching
The axial movement precision and radial motion precision of binding structure, its overall structure is more complicated, and the required precision to manufacturing process is more severe
Carve.
Utility model content
A purpose of the present utility model is to provide for a kind of high and simple in construction bayonet unit of reliability.
Especially, the utility model provides a kind of bayonet unit, including：
Fastener, there is pedestal and the two groups of clamping parts extended downwardly out from the pedestal；
Hole clipping part, offers circular blocked hole thereon, and the blocked hole has two groups of circular arc hole walls；Characterized in that,
Circle where two groups of circular arc hole walls is concentric circles, and its center of circle is the center of the blocked hole；
Clamping part described in first group is configured to rotationally abut at least partly close to the first of the blocked hole center
The group hole wall, and prevent the fastener produces from moving radially；And
The lower end of clamping part described in second group formed with grab, the grab be configured to against be at least partially away from it is described
Hole wall described in second group of blocked hole center inserts the blocked hole, and is inserted in the clamping part from the upper surface of the hole clipping part
The blocked hole is passed through after entering the blocked hole and is hooked on the lower surface of the hole clipping part, to prevent the fastener from producing axle
To movement.
Further, clamping part described in first group include two extend straight down from the lower surface of the pedestal first
Buckle, second group include two extend straight down from the lower surface of the pedestal and its lower end formed with the grab second
Buckle；
The section of first buckle is sector, and two first buckles are configured to be symmetrically disposed in the pedestal
Lower surface, and be respectively positioned on the first annulus；
The section of the vertical extension of second buckle is sector, and two second buckles are configured to be symmetrically arranged
In the lower surface of the pedestal, and it is respectively positioned on the second annulus；Wherein
The outside diameter of first annulus is more than the outside diameter of second annulus.
Further, hole wall described in first group of the blocked hole is two sections of symmetrically arranged, diameters equal to described first
The hole wall of circular arc first of annulus outside diameter, hole wall described in second group are two sections of symmetrically arranged, diameters more than described first
The hole wall of circular arc second of annulus outside diameter, so that
First buckle abuts at least partly described first hole wall and rotated, and avoids second buckle from touching institute
State the first hole wall or second hole wall.
Further, the grab is configured to extend on the outside of from the lower end of second buckle to second annulus
The outside of circle where second hole wall, to avoid the grab from departing from from the lower surface of the hole clipping part.
Further, two section of first hole wall and two section of second hole wall head and the tail are connected to form the blocked hole；
And
The length of second hole wall is less than the length of first buckle, and institute is turned to avoid described first from being buckled in
Produce and move radially when stating on the inside of the second hole wall.
Further, the length of second hole wall is more than or equal to the length of second buckle；And
There is chamfering or excessive curved surface, in order to described between the upper surface of second hole wall and the hole clipping part
Grab inserts the blocked hole.
Further, the pedestal is circle, and hole wall described in second group away from the blocked hole center of circle is in vertical side
It is located at the inner side of the pedestal upwards.
Further, the height of first buckle is less than or equal to the depth of the blocked hole.
Bayonet unit of the present utility model is due to two that can limit its fastener axial float respectively and radially rock
Group clamping part, therefore can be more stable when fastener rotates in blocked hole.In addition, two groups of clamping parts are directly arranged at
On the pedestal of fastener, it is that can be achieved spacing on axially and radially to fastener without supernumerary structure, simplifies manufacture work
Skill.
According to the accompanying drawings will be more to the detailed description of the utility model specific embodiment, those skilled in the art
Add clear of the present utility model above-mentioned and other purposes, advantages and features.
Brief description of the drawings
It is described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter more of the present utility model specific real
Apply example.Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that
What these accompanying drawings were not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram according to the bayonet unit of the utility model one embodiment；
Fig. 2 is the schematic, exploded according to the bayonet unit of the utility model one embodiment；
Fig. 3 is the schematic plan according to the bayonet unit of the utility model one embodiment；
Fig. 4 is the schematic, bottom view according to the fastener of the utility model one embodiment；
Fig. 5 is the schematic side elevation according to the fastener of the utility model one embodiment；
Fig. 6 is the schematic side elevation observed from another angle according to the fastener of the utility model one embodiment；
Fig. 7 is the schematic plan according to the hole clipping part of the utility model one embodiment.
Embodiment
Fig. 1 is the schematic diagram according to the bayonet unit 1 of the utility model one embodiment.Fig. 2 is according to this reality
With the schematic, exploded of the bayonet unit 1 of new one embodiment.Fig. 3 is the buckle according to the utility model one embodiment
The schematic plan of device 1.
Referring to Fig. 1 to Fig. 3, bayonet unit 1 may include fastener 10 and hole clipping part 20 in general manner.Fastener 10 has base
Seat 100 and the two groups of clamping parts extended downwardly out from pedestal 100.The blocked hole 200 of similar circle is offered on hole clipping part 20, with
The clamping part of fastener 10 is allowed to be rotated in it.Especially, blocked hole 200 has two groups of circular arc hole walls, and two groups of circular arcs
Circle where shape hole wall is concentric circles, and its center of circle is the center of blocked hole 200.
Specifically, first group of clamping part is configured to rotationally to abut at least partly close to the of the center of blocked hole 200
One group of hole wall, and prevent fastener 10 produces from moving radially.Formed with grab 103, grab 103 can for the lower end of second group of clamping part
It is configured to against second group of hole wall for being at least partially away from the center of blocked hole 200 insertion blocked hole 200, and blocks certainly in clamping part
Blocked hole 200 is passed through after the upper surface insertion blocked hole 200 of orifice 20 and is hooked on the lower surface of hole clipping part 20, to prevent buckle
Part 10 produces axial movement.
It that is to say, first group of clamping part, which can be configured to, can abut at least part internal diameter of blocked hole 200 and less be located at
The hole wall of relative inner rotates, and second group of lower end has the clamping part of grab 103, configurable to against that internal diameter is larger to be located at
The hole wall insertion blocked hole 200 of opposite exterior lateral sides.It is understood that above-mentioned " internal diameter is larger " and " internal diameter is smaller " refer to the circular arc
Imaginary circle where shape hole wall be relatively large in diameter or it is smaller.
Specifically, through hole is offered on hole clipping part 20 so that as blocked hole 200, the hole wall of blocked hole 200 is by multi-section circular arc
It is spliced, and the diameter of multi-section circular arc is different.First group of clamping part on fastener 10 is configured to can be with the less circle of diameter
Arc hole wall coordinates, and is moved along the partial arc shape hole wall to drive fastener 10 to be rotated relative to hole clipping part 20, avoids card
The radial direction of fastener 10 is rocked.Second group of clamping part on fastener 10 has grab 103, and grab 103 is configured to work as fastener 10
When on hole clipping part 20, it is located at the upper and lower surface of hole clipping part 20 respectively with pedestal 100, it is possible thereby to limit buckle
The axial float of part 10.
Bayonet unit 1 of the present utility model is due to can limit its axial float of fastener 10 respectively and radially rock
Two groups of clamping parts, therefore can be more stable when fastener 10 rotates in blocked hole 200, and the card with the fastener 10
Buckle device 1 is simple in construction, and cost of manufacture is relatively low.
Further, pedestal 100 could be arranged to circle, and the hole wall in the vertical direction away from the center of circle of blocked hole 200
Positioned at the inner side of pedestal 100.Thus it can ensure that pedestal 100 can securely be resisted against the upper surface of hole clipping part 20, will not be because of external force
Slip causes fastener 10 to be come off from hole clipping part 20.
Fig. 4 is the schematic, bottom view according to the fastener 10 of the utility model one embodiment.Fig. 5 is according to this practicality
The schematic side elevation of the fastener 10 of new one embodiment.Fig. 6 is the fastener according to the utility model one embodiment
10 schematic side elevation from the observation of another angle.
Referring to Fig. 4 to Fig. 6, in some embodiments of the utility model, clamping part is two groups, and one of which includes two
The first buckle 101 extended straight down from the lower surface of pedestal 100, another group is erected including two from the lower surface of pedestal 100
It is straight to extend downwardly and second buckle 102 of its lower end formed with grab 103.
Further, the section of the first buckle 101 is sector, and two the first buckles 101 are configured to be symmetrically disposed in base
The lower surface of seat 100, and be respectively positioned on the first annulus.The section of the vertical extension of second buckle 102 is fan-shaped, two second
Buckle 102 is configured to be symmetrically disposed in the lower surface of pedestal 100, and is respectively positioned on the second annulus.First annulus and the second circle
Ring (being not shown in figure) is the imaginary circle formed on the lower surface of pedestal 100, and the outside diameter of the first annulus is more than the second circle
The outside diameter of ring.
It that is to say, two the first buckles 101 are located at the opposite exterior lateral sides of two the second buckles 102, or two the first buckles 101
Relative to the relatively outer of two the second buckles 102.First buckle 101 and the second buckle 102 respectively where the first annulus and
Second annulus can have and partly overlap or the first annulus is fully located on the outside of the second annulus to be coaxially disposed.
In some embodiments of the utility model, blocked hole 200 has two groups of hole walls, and first group is two sections and is symmetrical arranged
, diameter be equal to the first hole wall of circular arc 201 of the first annulus outside diameter, second group is that two sections symmetrically arranged, diameter is big
In the second hole wall of circular arc 202 of the first annulus outside diameter, so that the first buckle 101 abuts at least partly the first hole wall
201 rotate, and avoid the second buckle 102 from touching the first hole wall 201 or the second hole wall 202.Circle where first hole wall 201 and
Circle (being not shown in figure) where second hole wall 202 is the imaginary circle being coaxially disposed with the first annulus and the second annulus.
Thus, when the first buckle 101 positioned at the first annulus abuts in 200 inwall of blocked hole, positioned at the first buckle 101
Second buckle 102 of inner side will not touch the hole wall of arbitrary portion, so as to avoid producing interference, and then reduce to manufacturing process
Accuracy requirement.
In some embodiments of the utility model, grab 103 is configured to from the lower end of the second buckle 102 to the second annulus
The outside of circle that extends to where the second hole wall 202 of outside, to avoid grab 103 from departing from from the lower surface of hole clipping part 20.Enter
One step, in some embodiments of the utility model, the height of the first buckle 101 may be less than or equal to the depth of blocked hole 200
Degree.Thus when fastener 10 is connected on hole clipping part 20 by the grab 103 of the second buckle 102, the first buckle 101 can be complete
It is hidden in inside blocked hole 200, any structure below shackle member will not be pointed to and had an impact, and makes bayonet unit 1 overall
It is more attractive in appearance.
Fig. 7 is the schematic plan according to the hole clipping part 20 of the utility model one embodiment.
Referring to Fig. 7, in some embodiments of the utility model, two section of first hole wall 201 and two section of second hole wall 202 are first
Tail is connected to form blocked hole 200.It that is to say that blocked hole 200 is made up of four sections, two groups of hole walls, the arc-shaped hole per two adjacent groups
The diameter dimension of wall is different.The junction of two adjacent hole walls is formed with boss.Further, the length of the second hole wall 202 is small
In the length of the first buckle 101, moved radially with avoiding the first buckle 101 from being produced when turning to the second 202 inner side of hole wall, from
And ensure that fastener 10 will not produce and move radially.
It that is to say, the length that the second hole wall 202 is used for the hole wall for allowing the grab 103 of the second buckle 102 to pass through is smaller.Tool
Body is less than the length that section is the first fan-shaped buckle 101.Accordingly, because the presence of boss, and the length of the second hole wall 202
Less than the length of the first buckle 101 so that no matter which kind of state fastener 10 turns to, and its first buckle 101 can not possibly be complete
The first hole wall of total detachment 201, thus the radial direction of fastener 10 can be avoided to rock completely.
In some embodiments of the utility model, the length of the second hole wall 202 is more than or equal to the length of the second buckle 102
Degree；And second hole wall 202 and hole clipping part 20 upper surface between there is chamfering or excessive curved surface, block in order to which grab 103 inserts
Connect hole 200.
It that is to say, the top of the second hole wall 202 can be formed with slope.The slope can be plane or curved surface.Thus, buckle is worked as
When part 10 inserts the blocked hole 200 of hole clipping part 20, the grab 103 of the second buckle 102 can abut in the slope to blocked hole 200
Internal slide, so that the resistance that the second buckle 102 enters blocked hole 200 reduces, it is easy to the installation of fastener 10.
So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the present utility model more
Individual exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derived many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regarded as to cover other all these variations or modifications.
Claims (8)
1. a kind of bayonet unit, including：
Fastener, there is pedestal and the two groups of clamping parts extended downwardly out from the pedestal；
Hole clipping part, offers blocked hole thereon, and the blocked hole has two groups of circular arc hole walls；Characterized in that,
Circle where two groups of circular arc hole walls is concentric circles, and its center of circle is the center of the blocked hole；
Clamping part described in first group is configured to rotationally abut at least partly close to first group of institute at the blocked hole center
Hole wall is stated, and prevents the fastener produces from moving radially；And
Formed with grab, the grab, which is configured to against, is at least partially away from the clamping for the lower end of clamping part described in second group
Hole wall described in second group of hole center inserts the blocked hole, and inserts institute from the upper surface of the hole clipping part in the clamping part
The blocked hole is passed through after stating blocked hole and is hooked on the lower surface of the hole clipping part, to prevent the fastener produces from axially moving
It is dynamic.
2. bayonet unit according to claim 1, it is characterised in that
Clamping part described in first group includes two the first buckles extended straight down from the lower surface of the pedestal, second group of bag
Two are included from the lower surface of the pedestal straight down to extend and second buckle of its lower end formed with the grab；
The section of first buckle is sector, and two first buckles are configured to be symmetrically disposed in the following table of the pedestal
Face, and be respectively positioned on the first annulus；
The section of the vertical extension of second buckle is sector, and two second buckles are configured to be symmetrically disposed in institute
The lower surface of pedestal is stated, and is respectively positioned on the second annulus；Wherein
The outside diameter of first annulus is more than the outside diameter of second annulus.
3. bayonet unit according to claim 2, it is characterised in that
Hole wall described in first group of the blocked hole is two sections of symmetrically arranged, diameters equal to the first annulus outside diameter
The hole wall of circular arc first, hole wall described in second group are two sections of symmetrically arranged, diameters more than the first annulus outside diameter
The hole wall of circular arc second, so that
First buckle abuts at least partly first hole wall and rotated, and avoids second buckle from touching described the
One hole wall or second hole wall.
4. bayonet unit according to claim 3, it is characterised in that
The grab is configured to extend to second hole wall on the outside of from the lower end of second buckle to second annulus
The outside of the circle at place, to avoid the grab from departing from from the lower surface of the hole clipping part.
5. bayonet unit according to claim 3, it is characterised in that
Two section of first hole wall and two section of second hole wall head and the tail are connected to form the blocked hole；And
The length of second hole wall is less than the length of first buckle, to avoid described first from being buckled in turning to described the
Produce and move radially when on the inside of two hole walls.
6. bayonet unit according to claim 5, it is characterised in that
The length of second hole wall is more than or equal to the length of second buckle；And
There is chamfering or excessive curved surface, in order to the grab between the upper surface of second hole wall and the hole clipping part
Insert the blocked hole.
7. bayonet unit according to claim 1, it is characterised in that
The pedestal is circle, and hole wall in the vertical direction described in second group away from the blocked hole center is located at the base
The inner side of seat.
8. bayonet unit according to claim 2, it is characterised in that
The height of first buckle is less than or equal to the depth of the blocked hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963704.8U CN207195433U (en) | 2017-08-03 | 2017-08-03 | Bayonet unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963704.8U CN207195433U (en) | 2017-08-03 | 2017-08-03 | Bayonet unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195433U true CN207195433U (en) | 2018-04-06 |
Family
ID=61796355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720963704.8U Active CN207195433U (en) | 2017-08-03 | 2017-08-03 | Bayonet unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195433U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644198A (en) * | 2018-07-27 | 2018-10-12 | 安徽江淮汽车集团股份有限公司 | A kind of expansion buckle |
| CN109463838A (en) * | 2018-11-06 | 2019-03-15 | 江阴市达菲玛汽配科技有限公司 | A kind of helmet and its assembly technology |
| CN109899360A (en) * | 2019-03-04 | 2019-06-18 | 浙江日富机械制造有限公司 | Novel high-precision connection component |
| CN111734733A (en) * | 2019-03-25 | 2020-10-02 | 启碁科技股份有限公司 | Electronic device and pin joint structure thereof |
| WO2022227949A1 (en) * | 2021-04-25 | 2022-11-03 | 广东太力科技集团股份有限公司 | Split-type hanging hook |
-
2017
- 2017-08-03 CN CN201720963704.8U patent/CN207195433U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644198A (en) * | 2018-07-27 | 2018-10-12 | 安徽江淮汽车集团股份有限公司 | A kind of expansion buckle |
| CN109463838A (en) * | 2018-11-06 | 2019-03-15 | 江阴市达菲玛汽配科技有限公司 | A kind of helmet and its assembly technology |
| CN109463838B (en) * | 2018-11-06 | 2021-06-11 | 江阴市达菲玛汽配科技有限公司 | Helmet and assembling process thereof |
| CN109899360A (en) * | 2019-03-04 | 2019-06-18 | 浙江日富机械制造有限公司 | Novel high-precision connection component |
| CN111734733A (en) * | 2019-03-25 | 2020-10-02 | 启碁科技股份有限公司 | Electronic device and pin joint structure thereof |
| WO2022227949A1 (en) * | 2021-04-25 | 2022-11-03 | 广东太力科技集团股份有限公司 | Split-type hanging hook |
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