CN207906252U - New exclusive bolt and new exclusive spanner - Google Patents
New exclusive bolt and new exclusive spanner Download PDFInfo
- Publication number
- CN207906252U CN207906252U CN201820180723.8U CN201820180723U CN207906252U CN 207906252 U CN207906252 U CN 207906252U CN 201820180723 U CN201820180723 U CN 201820180723U CN 207906252 U CN207906252 U CN 207906252U
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- clamping portion
- spanner
- new exclusive
- nut
- screw rod
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Abstract
The utility model provides a kind of new exclusive bolt and new exclusive spanner, is related to technical field of fastening, which includes nut and screw rod；The nut is arranged on the top of the screw rod, it is provided with helicitic texture on the side wall of the screw rod, the top of the nut is provided with the first clamping portion and the second clamping portion, first clamping portion can be driven and be rotated clockwise by spanner, and second clamping portion can be driven and be rotated counterclockwise by spanner；The new exclusive spanner is used for above-mentioned new exclusive bolt, including handle and wrench；The wrench is fixedly connected with the front end of the handle；The front end of the wrench is provided with for the third clamping portion with first clamping portion cooperation clamping, and for the 4th clamping portion with second clamping portion cooperation clamping, the technical problems such as the applicability for alleviating in the prior art because bolt practicability is relatively low, and then reducing matched spanner.
Description
Technical field
The utility model is related to technical field of fastening more particularly to a kind of new exclusive bolt and new exclusive to pull
Hand.
Background technology
Bolt is that a kind of needs work in coordination with nut and use, are threaded the fastener of structure, is mainly used for fastening
Therefore two parts with through-hole of connection are known as being bolted by the type of attachment that bolt is attached；Spanner is a kind of
The common tool installed and unpicked and washed, the manual work of bolt, screw and nut or other fasteners is twisted using lever principle
Tool；Spanner is usually formed respectively with the opening or sets of holes of grip bolt either nut in the one or both ends of shank, when use
Apply external force in shank along rotation direction of thread, bolt or nut can be twisted.
In daily life or even industrial processes, bolt, screw, nut etc. are most common fasteners, according to not
Same use occasion can select the type of attachment of no bolt or bolt；Such as in certain industrial goods, manufacture
Article has certain guarantee period, is under warranty when carrying out detachable maintaining, needs using matching with bolt used on product
Spanner is dismantled, or even in certain occasions, and the bolt tightened does not allow generally to dismantle, or bolt can be damaged when dismounting certainly
The structure of body, thereby reduces practicability.
Utility model content
The first of the utility model is designed to provide a kind of new exclusive bolt, used in the prior art to alleviate
Certain more low technical problems of bolt practicability.
To achieve the goals above, the utility model uses following technical scheme：
A kind of new exclusive bolt provided by the utility model, including nut and screw rod；
The nut, which is arranged on the top of the screw rod, the side wall of the screw rod, is provided with helicitic texture, the nut
Top be provided with the first clamping portion and the second clamping portion, first clamping portion can be driven by spanner and be turned clockwise
Dynamic, second clamping portion can be driven and be rotated counterclockwise by spanner.
Further, first clamping portion is set as multiple the first fan rings being distributed clockwise along the circumferential direction of the nut
Structure；
Multiple first fan ring structures are end to end successively.
Further, the fan ring is in the gradual growth trend of vertical height, and height maximum is vertically arranged with the first card
Junction；
The head end in the fan ring is arranged in first card access surface.
Further, second clamping portion is set as multiple covering of the fans being distributed counterclockwise along the axial direction of the nut, and
Radial direction setting of each covering of the fan along the nut.
Further, the covering of the fan is in the gradual growth trend of vertical height, and height maximum is vertically arranged with the second card
Junction；
Multiple second clamping face interval settings.
Further, first clamping portion is arranged in the outside of second clamping portion.
Further, the helicitic texture is arranged along the axial direction of the screw rod in clock wise spirals.
The second of the utility model is designed to provide a kind of new exclusive spanner, in the prior art because of bolt to alleviate
Practicability is relatively low, and then the technical problems such as applicability for reducing matched spanner.
The utility model also provides a kind of new exclusive spanner, is used for above-mentioned new exclusive bolt, including handle and plate
Head；
The wrench is fixedly connected with the front end of the handle；
The front end of the wrench is provided with for the third clamping portion with first clamping portion cooperation clamping, and is used for
With the 4th clamping portion of second clamping portion cooperation clamping.
Further, multiple anti-slip tanks are provided on the side wall of the handle.
Further, the rear end of the wrench is set as tetragonous rod structure.
The beneficial effects of the utility model are：
A kind of new exclusive bolt provided by the utility model, including nut and screw rod；Nut is arranged on the top of screw rod,
Helicitic texture is provided on the side wall of screw rod, the top of nut is provided with the first clamping portion and the second clamping portion, the first clamping portion
It can drive and rotate clockwise by spanner, the second clamping portion can be driven and be rotated counterclockwise by spanner；Screw rod is arranged
For the cylindric polished rod that surface is smooth, nut is fixed at the top of screw rod, and the diameter of nut is more than the diameter of screw rod；For
Convenient for screw rod screw-in is waited for attached article, it is provided with helicitic texture on the outside of screw rod, is screwed in by helicitic texture and wait connecting
Object；It is waited in attached article to avoid screw rod all to screw in as possible simultaneously, one end of screw rod is provided with nut so that nut
Outer diameter be more than screw rod outer diameter；The top of nut is provided with the first clamping portion and the second clamping portion, the first clamping portion can
By being clamped with spanner, and by spanner driving the new exclusive bolt is rotated clockwise, so that screw rod revolves
Enter and wait for attached article, is i.e. the new exclusive bolt screws；Second clamping portion can be by being clamped with spanner, and is driven by spanner
It is dynamic that the new exclusive bolt is rotated counterclockwise, so that screw rod back-out waits for attached article, i.e. the new exclusive spiral shell
Bolt unscrews；By being able to through spanner the first clamping portion for rotating clockwise of driving and can in the setting of the top of nut
The second clamping portion rotated counterclockwise is driven by spanner, is realized through the rotary force clockwise on two kinds of directions counterclockwise
Adjust screwing and unscrewing for the new exclusive bolt, improve in the prior art because certain manufacture articles be under warranty it is unsuitable
Easily dismantle or certain connections under, random dismounting the problem of causing the destruction on article structure, while increasing pair
The protectiveness of article.
The utility model also provides a kind of new exclusive spanner, is used for above-mentioned new exclusive bolt, including handle and plate
Head；Wrench is fixedly connected with the front end of handle；The front end of wrench is provided with for the third card with the cooperation clamping of the first clamping portion
Socket part, and for the 4th clamping portion with the cooperation clamping of the second clamping portion；Handle holds convenient for staff；Third card
Socket part is set as multiple first fan ring structures circumferentially distributed along wrench top, and the 4th clamping portion is set as multiple along wrench top
The first circumferentially distributed covering of the fan structure, and the first fan ring structure and the first covering of the fan structure can be along the radial directions on wrench top point
Cloth, and the first fan ring structure and the first covering of the fan structure can be in gradually increase trend along its circumferential vertical height of spanner top,
Also be in simultaneously to gradually increase trend along its radial numerical value height of spanner top, with alleviate it is in the prior art because bolt practicability compared with
It is low, and then the technical problems such as applicability for reducing matched spanner.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram for the new exclusive bolt that embodiment one provides；
Fig. 2 is the schematic diagram for the new exclusive spanner that embodiment two provides；
Fig. 3 is the partial enlarged view for the wrench that embodiment two provides；
Fig. 4 is the schematic diagram when new exclusive spanner that embodiment two provides coordinates with new exclusive bolt.
Icon：10- nuts；20- screw rods；30- helicitic textures；The first fan ring structures of 40-；50- the first covering of the fan structures；
100- new exclusive bolts；110- wrench；120- handles；The second fan ring structures of 130-；140- the second covering of the fan structures；401- first
Card access surface；The second card access surfaces of 501-；1101- tetragonous rod structures；1201- anti-slip tanks；The 5th card access surfaces of 1301-；1401- the 7th
Card access surface.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and
It should not be understood as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Embodiment one：
As shown in Figure 1, new exclusive bolt provided in this embodiment includes nut 10 and screw rod 20；The setting of nut 10 exists
The top of screw rod 20 is provided with helicitic texture 30 on the side wall of screw rod 20, and the top of nut 10 is provided with the first clamping portion and
Two clamping portions, the first clamping portion can be driven and be rotated clockwise by spanner, and the second clamping portion can be driven simultaneously by spanner
It rotates counterclockwise.
Specifically, the new exclusive bolt includes nut 10 and screw rod 20, screw rod 20 is set as smooth cylindric in surface
Polished rod, nut 10 is fixed at the top of screw rod 20, and the diameter of nut 10 is more than the diameter of screw rod 20；For the ease of by spiral shell
The screw-in of bar 20 waits for attached article, and the outside of screw rod 20 is provided with helicitic texture 30, and attachment is waited for by the screw-in of helicitic texture 30
Body；It is waited in attached article to avoid screw rod 20 all to screw in as possible simultaneously, one end of screw rod 20 is provided with nut 10 so that
The outer diameter of nut 10 is more than the outer diameter of screw rod 20, and after screwing in screw rod 20, the end face of nut 10 is stuck in the company for waiting for attached article
Junction so that it is to be located to wait for except attached article that screw rod 20, which has sub-fraction, convenient for by screw rod 20 from waiting in attached article
It removes.
Wherein, the top of nut 10 is provided with the first clamping portion and the second clamping portion, the first clamping portion and the second clamping
Portion is for convenient for being bolted by spanner and the new exclusive, and then realizes screwing and revolving for the new exclusive bolt
Pine.
Wherein, the first clamping portion can enable the new exclusive bolt by being clamped with spanner, and by spanner driving
It enough rotates clockwise, so that the screw-in of screw rod 20 waits for attached article, i.e. the new exclusive bolt screws；Second clamping portion energy
It is enough by being clamped with spanner, and by spanner driving the new exclusive bolt to be rotated counterclockwise, so that screw rod
20 screw out and wait for attached article, i.e. the new exclusive bolt unscrews.
Wherein, nut 10 is set on the top of screw rod 20, improves spiral shell caused by by spanner is in direct contact screw rod 20
The problem of damage or even damaged screw in 20 structure of bar connect；Simultaneously as the diameter of screw rod 20 is smaller, it is not easy to by pulling
Hand is fixed, and is more convenient for fixing with spanner by nut 10, realizes operation.
By being able to the first clamping portion rotated clockwise by spanner driving and energy in the setting of the top of nut 10
The second clamping portion rotated counterclockwise is enough driven by spanner, is realized through the rotation clockwise on two kinds of directions counterclockwise
Power adjusts screwing and unscrewing for the new exclusive bolt, improves in the prior art because certain manufacture articles are under warranty not
Preferably easily dismantle or certain connections under, arbitrarily dismounting the problem of causing the destruction on article structure, increase simultaneously
To the protectiveness of article.
In the optional scheme of the present embodiment, as shown in Figure 1, the first clamping portion is set as multiple suitable along the circumferential direction of nut 10
First fan ring structure 40 of hour hands distribution；Multiple first fan ring structures 40 are end to end successively.
It is projected as fan annular specifically, the first clamping portion is set as multiple first fan ring structures 40, and vertically；
Multiple first fan ring structures 40 are arranged along the circumferential of nut 10 clockwise successively, and end to end successively.
Wherein, the first clamping portion be arranged be provided between the top of nut 10, multiple first fan ring structures 40 for
The clamping portion of spanner clamping, by clamping portion clamping corresponding with spanner, to realize the fixation of spanner and the new exclusive bolt,
And nut and screw rod 20 can be driven to rotate clockwise by spanner, and then screw.
Further, the first fan ring structure 40 is in the gradual growth trend of vertical height, and height maximum is vertically arranged with
First card access surface 401；The head end in the first fan ring structure 40 is arranged in first card access surface 401.
Specifically, in order to enable the first card access surface 401 has the clamping portion that can be mutually clamped with spanner, therefore, each
First fan ring structure 40 is in the trend gradually increased along vertical height, and head end height highest, tail end are minimum；In vertical height
Maximum is provided with the first card access surface 401, and the first card access surface 401 is in perpendicular, and the first card access surface 401 is used for and spanner
It is clamped.
Wherein, multiple first fan ring structures 40 are set gradually along the radial direction of nut 10, and perpendicular along the radial direction of nut 10
Straight height shows a rising trend successively.
Wherein, the quantity of the first fan ring structure 40 is four, and the central angle of each first fan ring structure 40 is 90 degree,
Four the first fan ring structures 40 are sequentially distributed.
Wherein, because the first fan ring structure 40 is both along its height of the circumferential direction of nut 10 in gradual growth trend, simultaneously
Along the radial direction of nut 10, its height is in gradual growth trend again, therefore, along the first fan ring structure of 10 radial direction of nut
The third card access surface for being connected and fixed with spanner is provided on 40 inner wall, third card access surface is in sector structure.
In the optional scheme of the present embodiment, as shown in Figure 1, the second clamping portion is set as multiple inverse along the circumferential direction of nut 10
First covering of the fan structure 50 of hour hands distribution, and each first covering of the fan structure 50 is along the radial direction setting of nut 10.
Specifically, the second clamping portion is arranged on the top of nut 10, the second clamping portion is used to connect and fix with spanner, and
Enable the new exclusive bolt to rotate counterclockwise under the driving of spanner, and then unscrew, i.e., by the new exclusive bolt from even
It connects in article and screws out；Second clamping portion is set as multiple first covering of the fan structures 50, and vertically be projected as fan-like pattern, it is more
A first covering of the fan structure 50 is successively along the circumferential setting clockwise of nut 10, and each first covering of the fan structure 50 is along the diameter of nut 10
To distribution.
Further, the first covering of the fan structure 50 is in the gradual growth trend of vertical height, and height maximum is vertically arranged with
Second card access surface 501；The setting of multiple intervals of second card access surface 501.
Specifically, the clamping portion that can be mutually clamped with spanner in order to make the first card access surface 401 have, therefore,
Each first covering of the fan structure 50 is in the trend setting gradually increased along vertical height, and each first covering of the fan structure 50 is most
Eminence interval is arranged, i.e. the highest point of the lowest point of previous first covering of the fan structure 50 immediately the first covering of the fan of the latter structure 50；
Then vertical height maximum is provided with the second card access surface 501, the second card access surface 501 is vertically arranged, the second card access surface 501
Upper and lower both sides are separately connected the upper covering of the fan of the first covering of the fan structure 50 and the upper fan anchor ring of the first fan ring structure 40, the second card access surface
501 can be connected and fixed with spanner.
Wherein, multiple first covering of the fan structures 50 are also in increase to become successively along the radial vertical height of its own of nut 10
Gesture.
Wherein, the quantity of the first covering of the fan structure 50 is four, and the central angle of each first fan ring structure 40 is 90 degree,
Four the first fan ring structures 40 are uniformly distributed along the circumferential direction of nut 10 successively.
Wherein, because the first covering of the fan structure 50 is both along its height of the circumferential direction of nut 10 in gradual growth trend, simultaneously
Along the radial direction of nut 10, its height is in gradual growth trend again, therefore, along the first covering of the fan structure of 10 radial direction of nut
The 4th card access surface for being connected and fixed with spanner is provided on 50 inner wall, the 4th card access surface is in sector structure.
In the optional scheme of the present embodiment, as shown in Figure 1, the first clamping portion is arranged in the outside of the second clamping portion.
Specifically, in order to make spanner be clamped respectively with the first clamping portion and the second clamping portion, therefore, the first clamping
Portion and the second clamping portion are in different diameter ranges.
In general, being arranged the first clamping portion in the outside of the second clamping portion, the first clamping portion is used to screw clockwise, and
Second clamping portion is then for unscrewing counterclockwise；It is necessary to ensure that when being screwed and screws power with enough so that this is novel
Special bolt can be fastenedly connected with article to be connect, the problems such as being not in absent-mindedness when in use, therefore, by the first clamping portion
It is arranged at the position being relatively large in diameter, when increasing the torque of the first clamping portion, and then fastening can be mitigated required for staff
Power, mitigate the work load of staff.
Similar, the radially staggered setting in the first clamping portion and the second clamping portion, i.e. the first card access surface 401 and second clamping
Face 501 is not conllinear.
In the optional scheme of the present embodiment, as shown in Figure 1, helicitic texture 30 is in spiral shell clockwise along the axial direction of screw rod 20
Rotation setting.
Specifically, helicitic texture 30 is arranged along the circumferential clock wise spirals of screw rod 20, helicitic texture 30 is for the ease of inciting somebody to action
Screw rod 20 screws in article to be connected；The first clamping portion that screw rod 20 is screwed simultaneously is arranged along clockwise, so, by helicitic texture
30 is identical as the direction of rotation of the first clamping portion, the use for the new exclusive bolt of being more convenient for.
Embodiment two：
The present embodiment additionally provides a kind of new exclusive spanner, as shown in figs 2-4, is used for above-mentioned new exclusive bolt
100, including handle 120 and wrench 110；Wrench 110 is fixedly connected with the front end of handle 120；The front end setting of wrench 110 is useful
In the third clamping portion with the cooperation clamping of the first clamping portion, and for the 4th clamping portion with the cooperation clamping of the second clamping portion.
Specifically, which is used to carry out cooperation clamping with above-mentioned new exclusive bolt 100, i.e., this is novel
Special spanner is specially adapted for above-mentioned new exclusive bolt 100, and it is novel that above-mentioned new exclusive bolt 100 is specially adapted for this
Special spanner.
Wherein, in order to enable the new exclusive spanner can perfectly block with above-mentioned new exclusive bolt 100
It connects, plays it and use function, the clamping portion on the new exclusive spanner for being clamped with above-mentioned new exclusive bolt 100
It is provided with the third clamping portion that can be clamped respectively with the first clamping portion and the 4th clamping portion being clamped with the second clamping portion.
Wherein, which includes wrench 110 and handle 120, and third card is arranged in the top of the front end of wrench 110
The rear end of socket part and the 4th clamping portion, wrench 110 is fixedly connected with handle 120, and handle 120 holds convenient for staff.
Wherein, third clamping portion is set as multiple second fan ring structures 130 circumferentially distributed along 110 top of wrench, and the 4th
Clamping portion is set as multiple second covering of the fan structures 140 circumferentially distributed along 110 top of wrench, and the second fan ring structure 130 and
Two covering of the fan structures 140 can be along the radial distribution on 110 top of wrench, and the second fan ring structure 130 and the second covering of the fan structure 140
It can be in the trend that gradually increases along its circumferential vertical height of spanner top, while also be in along its radial numerical value height of spanner top
Trend is gradually increased, and peripheral level maximum is overlapped with radial height maximum, lowest point also overlaps.
Wherein, there are four the second fan ring structures 130 for the setting of third clamping portion, and there are four the second covering of the fans for the setting of the 4th clamping portion
Structure 140 is provided with the 5th card access surface 1301, Yi Jiyu with the cooperation clamping of the first card access surface 401 in second fan ring structure 130
Third card access surface coordinates the 6th card access surface of clamping, is provided in the second covering of the fan structure 140 and the second card access surface 501 coordinates clamping
The 7th card access surface 1401, and with the 4th card access surface cooperation clamping the 8th card access surface.
Wherein, third clamping portion is arranged in the outside of the 4th clamping portion.
In the optional scheme of the present embodiment, as shown in figs 2-4, multiple anti-slip tanks are provided on the side wall of handle 120
1201。
Specifically, it is hand-held for the ease of staff, while increasing the frictional force between handle 120 and hand, in handle
It is provided with multiple length directions along handle 120 on 120 to extend, and along circumferentially distributed multiple anti-slip tanks 1201 of handle 120.
In the optional scheme of the present embodiment, as shown in figs 2-4, the rear end of wrench 110 is set as tetragonous rod structure
1101。
Specifically, being set as tetragonous rod structure 1101, energy at one end end for being used to connect with handle 120 on wrench 110
Enough increase the tightness being connect with handle 120；Four apex angles and the circle of 120 cross section of handle of quadrangular cross section are tangent.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model,
Rather than its limitations；Although the utility model has been described in detail with reference to the foregoing embodiments, this field
Those of ordinary skill should understand that：Its still can with technical scheme described in the above embodiments is modified, or
Equivalent replacement is carried out to which part or all technical features；And these modifications or replacements, do not make corresponding technical solution
Essence be detached from various embodiments of the utility model technical solution range.
Claims (10)
1. a kind of new exclusive bolt, which is characterized in that including nut and screw rod；
The nut, which is arranged on the top of the screw rod, the side wall of the screw rod, is provided with helicitic texture, the top of the nut
End is provided with the first clamping portion and the second clamping portion, and first clamping portion can be driven and be rotated clockwise by spanner, institute
Stating the second clamping portion can be driven and be rotated counterclockwise by spanner.
2. new exclusive bolt according to claim 1, which is characterized in that first clamping portion is set as multiple along institute
State the first fan ring structure that the circumferential direction of nut is distributed clockwise；
Multiple first fan ring structures are end to end successively.
3. new exclusive bolt according to claim 2, which is characterized in that first fan ring structure in vertical height by
Gradually growth trend, and height maximum is vertically arranged with the first card access surface；
The head end in first fan ring structure is arranged in first card access surface.
4. new exclusive bolt according to claim 1, which is characterized in that second clamping portion is set as multiple along institute
The first covering of the fan structure that the circumferential direction of nut is distributed counterclockwise is stated, and each first covering of the fan structure is set along the radial direction of the nut
It sets.
5. new exclusive bolt according to claim 4, which is characterized in that the first covering of the fan structure in vertical height by
Gradually growth trend, and height maximum is vertically arranged with the second card access surface；
Multiple second clamping face interval settings.
6. new exclusive bolt according to claim 1, which is characterized in that first clamping portion is arranged described second
The outside of clamping portion.
7. new exclusive bolt according to claim 1, which is characterized in that axial direction of the helicitic texture along the screw rod
It is arranged in clock wise spirals.
8. a kind of new exclusive spanner, which is characterized in that be used for claim 1-7 any one of them new exclusive bolts, packet
Include handle and wrench；
The wrench is fixedly connected with the front end of the handle；
The front end of the wrench is provided with for the third clamping portion with first clamping portion cooperation clamping, and is used for and institute
State the 4th clamping portion of the second clamping portion cooperation clamping.
9. new exclusive spanner according to claim 8, which is characterized in that be provided on the side wall of the handle multiple anti-
Sliding slot.
10. new exclusive spanner according to claim 8, which is characterized in that the rear end of the wrench is set as quadrangular
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180723.8U CN207906252U (en) | 2018-02-01 | 2018-02-01 | New exclusive bolt and new exclusive spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180723.8U CN207906252U (en) | 2018-02-01 | 2018-02-01 | New exclusive bolt and new exclusive spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906252U true CN207906252U (en) | 2018-09-25 |
Family
ID=63562762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180723.8U Active CN207906252U (en) | 2018-02-01 | 2018-02-01 | New exclusive bolt and new exclusive spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906252U (en) |
-
2018
- 2018-02-01 CN CN201820180723.8U patent/CN207906252U/en active Active
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