CN206449185U - A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft - Google Patents
A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft Download PDFInfo
- Publication number
- CN206449185U CN206449185U CN201621345445.4U CN201621345445U CN206449185U CN 206449185 U CN206449185 U CN 206449185U CN 201621345445 U CN201621345445 U CN 201621345445U CN 206449185 U CN206449185 U CN 206449185U
- Authority
- CN
- China
- Prior art keywords
- shifting
- hole
- locking nut
- shifting block
- segment
- 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
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model provides the mounting structure of a kind of shifting block and shifting shaft, it includes shifting block, shifting shaft, bayonet lock, locking nut, shifting block is provided with the pin hole communicated and gearshift axis hole, the top of locking nut is regular polygon structure, the bottom of locking nut is cylindrical structural, and top is coaxially disposed with bottom；The medium position of locking nut is provided with left hand thread through hole；The epimere of bayonet lock is cylindrical structural, and epimere includes the first paragraph and second segment being coaxially disposed；First paragraph is provided with the sinistral external thread being engaged with left hand thread through hole；The diameter of second segment is less than the diameter of left hand thread through hole, and the axial length of second segment is more than the axial length of locking nut；Bottom is provided with dextrorotation external screw thread, and pin hole is right-handed thread hole；The big end that the strip wedge structure of bayonet lock has the small end of remote second segment and is connected with second segment；Strip wedge structure is engaged through pin hole with the neck of shifting shaft.The utility model additionally provides a kind of gearbox.
Description
Technical field
The utility model is related to auto parts and components mounting technique field, and in particular to a kind of peace of shifting block and shifting shaft
Assembling structure and a kind of gearbox.
Background technology
, it is necessary to which by control crank, gear is realized by shifting wire drawing, shifting shaft for manual gear gearbox
Switching, this be accomplished by ensure shifting wire drawing can closely be linked together with shifting shaft.As shown in Figures 1 to 5, generally
Shifting wire drawing is connected with switching mechanism, and the wherein switching mechanism includes shifting rocking arm 11, shifting support 13 and shifting
Block 14, shifting rocking arm 11 is connected with shifting support 13 by ball pin 12, shifting wire drawing and the outer end of shifting rocking arm 11
It is connected, the other end of shifting rocking arm 11 is connected with shifting block 14 by ball pin 12, passes through leverage, shifting wire drawing energy
It is enough that shifting block 14 is controlled, realize the axial movement and rotation of shifting block 14.In order to ensure that shifting shaft 15 can be with
On-demand shift block 14 is moved and rotated, it is necessary that the connection between shifting block 14 and shifting shaft 15 is led to be rigidly connected
Often intersect the gearshift axis hole 141 and pin hole 142 communicated provided with two on shifting block 14, be respectively for insertion into the He of shifting shaft 15
Bayonet lock 16, when bayonet lock 16 communicates place through holes, can just be stuck on the neck 151 of shifting shaft 15, then pass through nut 17
Or other locking mechanisms make bayonet lock clamping, you can realize being rigidly connected for shifting block 14 and shifting shaft 15.And in order to ensure
Shifting block 14 has commutativity, it is necessary to ensure that bayonet lock 16 easily can take apart from shifting block 14.
In the prior art, the epimere 161 of bayonet lock 16 is to have helicitic texture on cylinder, its whole face of cylinder, bayonet lock 16
The side of hypomere is the semicircular structure 162 being engaged with the pin hole 142 on shifting block 14, and its opposite side is and shifting shaft
The strip wedge structure 163 that neck 151 on 15 is engaged.Wherein, the top of strip wedge structure 163 is small end 164,
Bottom is big end 165, and the width of strip wedge structure 163 is less than the width of the neck 151 of shifting shaft 15.During assembling, it will change
Gear shaft 15 passes through the gearshift axis hole 141 of shifting block 14, the neck 151 of shifting shaft 15 is located in gearshift axis hole 141, and rotate
Adjustment direction, makes neck 151 face pin hole 142, now inserts bayonet lock 16 from the bottom of pin hole 142, the court of epimere 161
On, strip wedge structure 163 is stuck in the neck 151 of shifting shaft 15, now the top of epimere 161 from pin hole 142 is worn
Go out, pad 18, nut 17 are arranged on the epimere 161 successively, and nut 17 is screwed on epimere 161 with spanner, with epimere
161 coordinate with the screw thread of nut 17, and in the presence of screw-down torque, bayonet lock 16 is constantly up moved, strip wedge structure 163
Function to, its big end 165 will be moved up, and constantly compress shifting shaft 15, so as to realize shifting block 14 and shifting shaft
15 are rigidly connected.During dismounting, locking nut is backed out from epimere 161 with spanner, then with hammer or other instruments gently down
Bayonet lock 16 is struck, bayonet lock 16 can take out from the bottom of pin hole 142, so as to realize dismounting and change.
Driven type for two, speed change box back is directly connected with power transmission shaft, and now the space of the lower end of shifting block 14 is relative
It is larger, it is sufficient to bayonet lock 16 is taken out from the lower section of pin hole 142.However, for 4 wheel driven vehicle, speed change box back is wanted and transfer gear
It is connected, because transfer gear is relatively large, causes the space of the lower end of shifting block 14 smaller, so that the peace installation and dismantling of bayonet lock 16
Unload more difficult, installation operation can not be carried out by resulting even in.
Utility model content
The purpose of this utility model is to provide the mounting structure of a kind of shifting block and shifting shaft, to solve in the prior art
When the lower end installing space of shifting block is smaller, the problem of installation and removal of bayonet lock are more difficult.It is of the present utility model another
Purpose is to provide a kind of gearbox.
To achieve the above object, the utility model provides following technical scheme：
A kind of mounting structure of shifting block and shifting shaft, it includes shifting block, shifting shaft, bayonet lock and locking screw
The pin hole communicated and gearshift axis hole are provided with mother, the shifting block, the top of the locking nut is regular polygon knot
Structure, the bottom of the locking nut is cylindrical structural, and the top is coaxially disposed with the bottom；In the locking nut
Position, which is installed, is equipped with left hand thread through hole；The epimere of the bayonet lock is cylindrical structural, and the epimere includes the be coaxially disposed
One section and second segment；Be engaged with the left hand thread through hole left-handed outer is provided with the whole face of cylinder of the first paragraph
Screw thread；The diameter of the second segment is less than the diameter of the left hand thread through hole, and the axial length of the second segment is more than described
The axial length of locking nut；Be provided with dextrorotation external screw thread on the whole face of cylinder of the bottom, the pin hole for institute
State the right-handed thread hole that dextrorotation external screw thread is engaged；The strip wedge structure of the hypomere of the bayonet lock has away from described second
The small end of section and the big end being connected with the second segment；The shifting shaft is arranged in the gearshift axis hole, the strip
Wedge structure is engaged through the pin hole with the neck of the shifting shaft.
Preferably, one end away from the second segment is provided with taper guide frame on the first paragraph.
Preferably, the top and the bottom are integral type structure.
Preferably, the diameter of the bottom is identical with the external diameter of a circle of the regular polygon structure.
Preferably, the top is regular hexagon structure.
A kind of gearbox, it includes the mounting structure of shifting block and shifting shaft, and the mounting structure is any of the above-described
Described mounting structure.
The beneficial effects of the utility model are：
Shifting block and the mounting structure of shifting shaft that the utility model is provided, it is in assembling, first by locking nut
It is threaded through first paragraph and is enclosed on completely on the second segment of bayonet lock, because the diameter of second segment is less than the diameter of left hand thread through hole, the
Two sections of axial length is more than the axial length of locking nut so that locking nut can be carried out rotationally and axially on second segment
Movement, to enable locking nut smoothly to screw in and screw out pin hole；Then shifting shaft is penetrated into changing for shifting block
In gear shaft hole, the neck of shifting shaft is located in shifting shaft hole and place communicated with pin hole, and rotate shifting shaft to adjust its direction,
Neck is faced pin hole, now insert the bayonet lock being pre-installed and locking nut from the top of pin hole, strip wedge shape
The small end of structure down, makes the two side of strip wedge structure be located in the neck of shifting shaft, when outside the dextrorotation of locking nut
Thread contact to pin hole right-handed thread hole when, with the top of spanner clamping locking nut, start the locking screw that turns clockwise
Mother, that is, realize the cooperation of the right-handed thread between the bottom of locking nut and pin hole tightens operation, and locking nut will be twisted gradually
Enter in pin hole；At the same time, in the presence of strip wedge structure, bayonet lock can not be rotatable around its axis, can only be along its axle
To moving up and down, because the upper surface of locking nut and strip wedge structure is abutted against, locking nut will drive bayonet lock
Move down；Continue rotational lock nut, strip wedge structure will gradually extrude shifting shaft by neck, until shifting shaft
It is locked in shifting block；When needing dismounting, reverse operating is carried out, when outside the top of locking nut and the left-handed of first paragraph
During thread contact, the left hand thread through hole of locking nut will be engaged with sinistral external thread, due to the rotation of now locking nut
Dynamic direction is counterclockwise, the exactly tightening direction of sinistral external thread so that bayonet lock is not only with locking nut to moving up
Move and move up, also moved up under the active force of left hand thread engagement, i.e., the speed that bayonet lock is moved up will be faster than locking
The speed that nut is moved up, realizes the quick of bayonet lock and moves up, until strip wedge structure is released to shifting shaft completely
Compress, when locking nut is detached from pin hole, just can directly take out bayonet lock from pin hole with hand, complete dismounting,
So that the dismounting of bayonet lock is more convenient, quick.
The shifting block and the mounting structure of shifting shaft provided from said process, the utility model embodiment, it blocks
Pin can be mounted and dismounted from the upper end of shifting block, thus preferably solve the lower end installing space of shifting block compared with
Hour, the problem of installation and removal of bayonet lock are more difficult；Meanwhile, it passes through the setting of left and right hand thread structure so that the card
The dismounting of pin is more quick, so as to greatly increase efficiency of the bayonet lock in dismounting.
The gearbox that the utility model is provided includes the mounting structure of above-mentioned shifting block and shifting shaft, because above-mentioned choosing is changed
The mounting structure of block and shifting shaft has above-mentioned beneficial effect, the change of the mounting structure comprising above-mentioned shifting block and shifting shaft
Fast case should also have corresponding beneficial effect.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, and will make further detailed to specific embodiment of the utility model with reference to accompanying drawing
Illustrate, wherein
Fig. 1 is the schematic diagram of existing switching mechanism；
Fig. 2 is the schematic diagram of the mounting structure of existing shifting block and shifting shaft；
Fig. 3 is the schematic diagram of existing shifting block；
Fig. 4 is the schematic diagram of existing bayonet lock；
Fig. 5 is the schematic diagram of existing shifting shaft；
Shifting block and the schematic diagram of the mounting structure of shifting shaft that Fig. 6 provides for the utility model embodiment；
Shifting block and the sectional view of the mounting structure of shifting shaft that Fig. 7 provides for the utility model embodiment；
The schematic diagram for the bayonet lock that Fig. 8 provides for the utility model embodiment；
The schematic diagram for the locking nut that Fig. 9 provides for the utility model embodiment；
The schematic diagram for the shifting block that Figure 10 provides for the utility model embodiment；
Schematic diagram when Figure 11 installs for the bayonet lock that the utility model embodiment is provided with locking nut；
Schematic diagram when Figure 12 is locked for the shifting shaft that the utility model embodiment is provided.
Marked in accompanying drawing：
11st, shifting rocking arm 12, ball pin 13, shifting support 14, shifting block
141st, gearshift axis hole 142, pin hole 15, shifting shaft 151, neck 16, bayonet lock
161st, epimere 162, half cylindrical structure 163, strip wedge structure
164th, small end 165, greatly end 17, nut 18, pad 21, shifting block
22nd, pin hole 23, gearshift axis hole 31, shifting shaft 41, bayonet lock 42, second segment
43rd, strip wedge structure 44, greatly small end 45, end 46, taper guide frame
47th, first paragraph 51, locking nut 52, top 53, bottom
54th, left hand thread through hole
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with specific implementation
This programme is further discussed in detail example.
As shown in Fig. 6 to Figure 12, the utility model embodiment provides the mounting structure of a kind of shifting block and shifting shaft,
It includes being provided with the pin hole communicated on shifting block 21, shifting shaft 31, bayonet lock 41 and locking nut 51, shifting block 21
22 and gearshift axis hole 23, the top 52 of locking nut 51 is regular polygon structure, and the bottom 53 of locking nut 51 is tied for cylinder
Structure, top 52 is coaxially disposed with bottom 53；The medium position of locking nut 51 is provided with left hand thread through hole 54；Bayonet lock 41 it is upper
Section is cylindrical structural, and epimere includes the first paragraph 47 and second segment 42 being coaxially disposed；On the whole face of cylinder of first paragraph 47
It is provided with the sinistral external thread being engaged with left hand thread through hole 54；The diameter of second segment 42 is less than the straight of left hand thread through hole 54
Footpath, the herein i.e. path of left hand thread through hole 54；The axial length of second segment 42 is more than the axial length of locking nut 51；Bottom
Dextrorotation external screw thread is provided with the 53 whole face of cylinder, pin hole 22 is the right-handed thread hole being engaged with dextrorotation external screw thread；
The strip wedge structure 43 of the hypomere of bayonet lock 21 have away from second segment 42 small end 44 and be connected with second segment 42 it is big
End 45；Shifting shaft 31 is arranged in gearshift axis hole 23, neck of the strip wedge structure 43 through pin hole 22 and shifting shaft 31
It is engaged.
Shifting block and the mounting structure of shifting shaft that the utility model embodiment is provided, it, first will lock in assembling
Tight nut 51 is threaded through first paragraph 47 and is enclosed on completely on the second segment 42 of bayonet lock 41, because the diameter of second segment 42 is less than left-handed spiral shell
The diameter of line through hole 54, the axial length of second segment 42 is more than the axial length of locking nut 51 so that locking nut 51 can
Movement rotationally and axially is carried out on second segment 42, to enable locking nut 51 smoothly to screw in and screw out pin hole
22；Then shifting shaft 31 is penetrated in the gearshift axis hole 23 of shifting block 21, the neck of shifting shaft 31 is located at shifting shaft hole 23
In place is communicated with pin hole 22, and rotate shifting shaft 31 to adjust its direction, neck is faced pin hole 22, now will prepackage
Good bayonet lock 41 and locking nut 51 is inserted from the top of pin hole 22, as shown in figure 11, the small end of strip wedge structure 43
44 down, the two side of strip wedge structure 43 is located in the neck of shifting shaft 31, when spiral shell outside the dextrorotation of locking nut 51
When line touches the right-handed thread hole of pin hole 22, with the top of spanner clamping locking nut 51, start the locking that turns clockwise
Nut 51, that is, realize the cooperation of the right-handed thread between the bottom 53 of locking nut 51 and pin hole 22 tightens operation, locking screw
Mother 51 will be gradually screwed into pin hole 22；At the same time, in the presence of strip wedge structure 43, bayonet lock 41 can not be around its axle
Line is rotated, and can only be moved up and down along its axial direction, because the upper surface of locking nut 51 and strip wedge structure 43 offsets
Connect, locking nut 51 will drive bayonet lock 41 to move down；Continue rotational lock nut 51, strip wedge structure 43 will pass through
Neck gradually extrudes shifting shaft 31, until shifting shaft 31 is locked in shifting block 21, as shown in figure 12；Needing dismounting
When, carry out reverse operating, when the top 52 of locking nut 51 is contacted with the sinistral external thread of first paragraph 47, locking nut 51
Left hand thread through hole 54 will be engaged with sinistral external thread, because the turn direction of now locking nut 51 is side counterclockwise
To the exactly tightening direction of sinistral external thread so that not only the moving up and move up with locking nut 51 of bayonet lock 41, also exist
Moved up under the active force of left hand thread engagement, i.e., the speed that bayonet lock 41 is moved up will be faster than locking nut 51 to moving up
Dynamic speed, realizes the quick of bayonet lock 41 and moves up, until strip wedge structure 43 releases the compression to shifting shaft 31 completely,
When locking nut 51 is detached from pin hole 22, just bayonet lock 41 directly can be taken out from pin hole 22 with hand, complete to tear open
Unload, so that the dismounting of bayonet lock 41 is more convenient, quick.
The shifting block and the mounting structure of shifting shaft provided from said process, the utility model embodiment, it blocks
Pin 41 can be mounted and dismounted from the upper end of shifting block 21, so that the lower end for preferably solving shifting block 21 is installed
When space is smaller, the problem of installation and removal of bayonet lock 41 are more difficult；Meanwhile, its by the setting of left and right hand thread structure,
So that the dismounting of the bayonet lock 41 is more quick, so as to greatly increase efficiency of the bayonet lock 41 in dismounting.
It should be noted that the speed that moves up of bayonet lock 41 is bayonet lock 41 relative to the speed that shifting block 21 is moved down
Degree, the speed that locking nut 51 is moved up is locking nut 51 relative to the speed that shifting block 21 is moved down.When left-handed
When the pitch of screw thread is identical with the pitch of right-handed thread, the disassembling section of foregoing bayonet lock is being carried out, when the left-handed outer spiral shell of first paragraph
When line and the cooperation of the left hand thread through hole on top, the speed that bayonet lock 41 is moved up will be 2 times of the speed that locking nut 51 is moved up, from
And can greatly improve efficiency of the shifting block 21 with shifting shaft 31 in dismounting.
As shown in figure 8, one end away from second segment 42 can be provided with taper guide frame 46 on first paragraph 47, so that logical
Crossing the taper guide frame 46 can be oriented to the installation between bayonet lock 41 and locking nut 51 so that bayonet lock 41 and locking
Installation between nut 51 is more convenient；Meanwhile, when bayonet lock 41 is inserted in the left hand thread through hole 54 of locking nut 51,
Can preferably avoid the helicitic texture of the left hand thread through hole 54 from being scratched, thus preferably ensure that the shifting block 21 with
The reliability of the mounting structure of shifting shaft 31, greatly extends the service life of locking nut 51.
In order to effectively improve the intensity of locking nut 51, while it is easy to mass production, top 52 and bottom 53
It can be integral type structure.
Specifically, the diameter of bottom 53 is identical with the external diameter of a circle of regular polygon structure, so that locking nut
51 processing is more convenient.
Preferably, top can be with 52 for regular hexagon structure, to cause the structure on top 52 relatively simple, while also can
Easily operated on it with spanner.
The gearbox that the utility model embodiment is provided, it includes the mounting structure of shifting block and shifting shaft, the installation
Structure is the mounting structure described by any of the above-described technical scheme, because the mounting structure of above-mentioned shifting block and shifting shaft has
Above-mentioned technique effect, should also have corresponding technology effect comprising above-mentioned shifting block with the gearbox of the mounting structure of shifting shaft
Really.
Described above is only preferred embodiment of the present utility model, it should be pointed out that these embodiments are only used for
Bright the utility model rather than limitation scope of the present utility model, moreover, after content of the present utility model has been read, this
Field person skilled can make various changes or modification to the utility model, and these equivalent form of values equally fall into the application
Appended claims limited range.
Claims (6)
1. the mounting structure of a kind of shifting block and shifting shaft, it includes shifting block, shifting shaft, bayonet lock and locking nut,
The pin hole communicated and gearshift axis hole are provided with the shifting block, it is characterised in that the top of the locking nut is just
Polygonized structure, the bottom of the locking nut is cylindrical structural, and the top is coaxially disposed with the bottom；The locking
The medium position of nut is provided with left hand thread through hole；The epimere of the bayonet lock is cylindrical structural, and the epimere includes coaxial
The first paragraph and second segment of setting；It is provided with and is engaged with the left hand thread through hole on the whole face of cylinder of the first paragraph
Sinistral external thread；The diameter of the second segment is less than the diameter of the left hand thread through hole, the axial length of the second segment
More than the axial length of the locking nut；Dextrorotation external screw thread, the bayonet lock are provided with the whole face of cylinder of the bottom
The right-handed thread hole that dextrorotation external screw thread described in Kong Weiyu is engaged；The strip wedge structure of the hypomere of the bayonet lock has remote
The small end of the second segment and the big end being connected with the second segment；The shifting shaft is arranged in the gearshift axis hole, institute
Strip wedge structure is stated to be engaged with the neck of the shifting shaft through the pin hole.
2. the mounting structure of shifting block according to claim 1 and shifting shaft, it is characterised in that remote on the first paragraph
One end from the second segment is provided with taper guide frame.
3. the mounting structure of shifting block according to claim 1 and shifting shaft, it is characterised in that the top with it is described
Bottom is integral type structure.
4. the mounting structure of shifting block according to claim 3 and shifting shaft, it is characterised in that the diameter of the bottom
It is identical with the external diameter of a circle of the regular polygon structure.
5. the mounting structure of the shifting block and shifting shaft according to any one of Claims 1-4, it is characterised in that described
Top is regular hexagon structure.
6. a kind of gearbox, it includes the mounting structure of shifting block and shifting shaft, it is characterised in that the mounting structure is power
Profit requires the mounting structure described in 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621345445.4U CN206449185U (en) | 2016-12-08 | 2016-12-08 | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621345445.4U CN206449185U (en) | 2016-12-08 | 2016-12-08 | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206449185U true CN206449185U (en) | 2017-08-29 |
Family
ID=59661562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621345445.4U Expired - Fee Related CN206449185U (en) | 2016-12-08 | 2016-12-08 | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206449185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253130A (en) * | 2018-01-29 | 2018-07-06 | 安徽江淮汽车集团股份有限公司 | Shift-selecting and changing actuating mechanism |
-
2016
- 2016-12-08 CN CN201621345445.4U patent/CN206449185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253130A (en) * | 2018-01-29 | 2018-07-06 | 安徽江淮汽车集团股份有限公司 | Shift-selecting and changing actuating mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103522255B (en) | A kind of Automatic tightener of stud | |
| CN206449185U (en) | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft | |
| CN203321996U (en) | Blind rivet | |
| CN207305162U (en) | A kind of rotation-limited structure | |
| CN206449186U (en) | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft | |
| CN206429642U (en) | A kind of mounting structure and a kind of gearbox of shifting block and shifting shaft | |
| CN202943593U (en) | Novel vehicle braking disc anti-rotation assembly tool | |
| CN206234352U (en) | A kind of mounting structure of shifting block and shifting shaft | |
| CN206234340U (en) | A kind of mounting structure of shifting block and shifting shaft | |
| CN207454481U (en) | A kind of anti-drop bolt component | |
| CN208074340U (en) | flange assembly | |
| CN202269300U (en) | Fishing wheel and connecting structure of spindle and transmission sliding block of fishing wheel | |
| CN201405305Y (en) | Hydraulic wrench | |
| CN201455882U (en) | Stud installer | |
| CN203237701U (en) | Intermittent transposition device for automatic line | |
| CN201180854Y (en) | Combination structure of multifunctional variable-stroke fast-opening valve stem and ball bearing nut | |
| CN206477080U (en) | Seal wire wheel assembly and godet wheel device and ring throstle | |
| CN207064441U (en) | A kind of anti-loose lock nut | |
| CN107900605B (en) | A kind of water conservancy metal connecting pipe fitting internal screw thread prosthetic device | |
| CN209921410U (en) | Steering intermediate shaft for automobile | |
| CN204935491U (en) | Reversible ratcheting tool | |
| CN203665451U (en) | Threaded insert installation device | |
| CN220365853U (en) | Fastening nut | |
| CN111473093B (en) | Bolt | |
| CN204592243U (en) | A kind of power take-off hollow shaft structure |
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: 20170829 Termination date: 20191208 |