CN2908895Y - Locknut - Google Patents
Locknut Download PDFInfo
- Publication number
- CN2908895Y CN2908895Y CN 200620040542 CN200620040542U CN2908895Y CN 2908895 Y CN2908895 Y CN 2908895Y CN 200620040542 CN200620040542 CN 200620040542 CN 200620040542 U CN200620040542 U CN 200620040542U CN 2908895 Y CN2908895 Y CN 2908895Y
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- CN
- China
- Prior art keywords
- elastic component
- lock nut
- collar
- locknut
- elastic part
- 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 - Lifetime
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Abstract
A locknut is provided by the utility model, which belongs to the mechanical technology field. The utility model eliminates the problem that prior anti-removal nuts are complicated and can not be removed after being mounted. The locknut comprises a body with a tap hole, a closing ring on end of the body, an elastic part on outer side of the body. End of the elastic part can be stuck in the closing ring. When the locknut is used, erecting tools shall clamp the body. After the erecting tools are put in place, the elastic part is closed and then the body is turned until the body is tightly connected to the screw rod to be connected. After erecting tools are taken out, the elastic part is expanded under action of its elastic force. As the closing ring is at end of the body, the expanded elastic part is stuck in the closing ring. Accordingly, the body and the closing ring are firmly connected to prevent the body from becoming flexible. The locknut is simple in structure, easy to be mounted and executed. In addition, the locknut can be removed with tools.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of fastening piece, particularly a kind of lock nut.
Background technique
It is very extensive that nut connects application, is exactly to adopt nut to be connected usually as gas meter and gaspipe line.Because gas meter is loaded in the user family, in order to prevent to steal in violation of rules and regulations the gas behavior, and the installment work that makes things convenient for gas meter, adopt a kind of easy to connect and can prevent that the nut of dismantling from just seeming necessary.
Chinese patent 97230082.1 provides a kind of " anti-assembling nut ", and it is made up of inner core and outer core.Inner core is loaded on outer in-core, and the side of inner core along the circumferential direction offers several slope grooves, the slope groove and outside the cylindricality needle roller is housed between the in-core side.When lock nut is installed the deep end of outer core along groove slope groove rotated, at this moment, needle roller shifts out from slope groove depth end, and between the inboard of the slope groove that is stuck in inner core and outer core, together rotates by frictional force drive inner core, thereby make inner core be bolted on the link.After inner core was installed on the link, outer core rotated along the shallow end of slope groove, the deep end that needle roller moves to the slope groove not with outer in-core side contacts, inner core can't be by outer core drive.Obviously, just can not dismantle after anti-assembling nut installs, prevent that effectively User Violations from stealing gas.But the core arrangement of above-mentioned lock nut is complicated, needs to offer several slope grooves in its outside, and processing technology is numerous and diverse, has increased product cost.Simultaneously, in installation process, needle roller will be put into the slope groove earlier and reinstall outer in-core portion, because the needle roller number is more, difficulty is installed.And, just can not unload after in a single day anti-assembling nut installs, just must destroy anti-assembling nut when therefore needing dismounting, it is very inconvenient that repair and maintenance work just seems.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing nut, a kind of lock nut of novel structure is provided, make it not only can prevent to become flexible, can dismantle once more by instrument after installing, and assemble easy, simple in structure, cost is low.
The purpose of this utility model can realize by following technical proposal: a kind of lock nut, comprise body with tapped hole, and it is characterized in that described body end is provided with collar, the outside of body is provided with elastic component, and the end of elastic component can snap in the collar.
When using this lock nut, setting tool is buckled on the body.Make the elastic component closure after setting tool places, rotate body then until body tightly is connected on the screw rod of required connection.Setting tool takes out the back elastic component and opens under self elastic force effect, because collar is positioned at body end, the elastic component end after opening is snapped in the collar.Like this, body and collar just are connected together firmly, prevent that body is loosening.
Also can realize by above-mentioned instrument when certainly, needing to remove this lock nut.Particularly, instrument places the body place with the elastic component closure, makes the end of elastic component spin off from collar.At this moment, body and collar do not link together, and rotate body and just this lock nut can be removed.
In above-mentioned lock nut, described collar sidepiece has and turns edge, during above-mentioned elastic component can snap in and turn edge.Have the collar that turns edge and can be buckled in body end, therefore, collar can displacement in the installation process.
In above-mentioned lock nut, evenly be provided with the bayonet socket of several perforations on described the turning edge, above-mentioned elastic component can be embedded in the bayonet socket.
Another kind of scheme is, in above-mentioned lock nut, evenly is provided with the plush copper of several protrusions on described the turning edge, and above-mentioned elastic component end has aperture, and plush copper can be embedded in the aperture.
Elastic component is embedded in the aperture that the plush copper on bayonet socket or the collar is embedded on the elastic component and collar and body can both be linked together firmly.
In above-mentioned lock nut, be connected with bearing pin on the described body, described elastic component is Ω shape, and the arc-shaped head of elastic component Ω shape is enclosed within on the bearing pin.
In above-mentioned lock nut, the other end that described elastic component is embedded in the bayonet socket has bending, and this bends between the end face of the end face of body and collar.By such structure, make the bending end of elastic component can not become flexible.
In above-mentioned lock nut, the described body outside has groove, and above-mentioned elastic component is positioned at groove.
In above-mentioned lock nut, described collar inboard has a positioning pawl.Positioning pawl plays the role of positioning to collar, prevents the collar displacement.
In above-mentioned lock nut, described elastic component is a sheet, and the quantity of elastic component is at least one.
Compared with prior art, this lock nut only is made up of collar, body and elastic component, and is therefore simple in structure, easy to process, cost is lower.Simultaneously, when lock nut is installed by instrument with the elastic component closure, taking-up instrument after body connects, an end of elastic component just is stuck on the collar, makes body and collar be fixed together; In addition, when needing dismounting by instrument with the elastic component closure, rotate body again and collar can be separated with body, so installation process is not only easy, easy to implement, and also it can be dismantled by instrument.
Description of drawings
Fig. 1 is the linkage structure schematic representation of lock nut of the present utility model.
Fig. 2 is the form structure schematic representation of body in this lock nut.
Fig. 3 is the form structure schematic representation of collar in this lock nut.
Fig. 4 is the side-looking structural representation along Fig. 3.
Among the figure, 1, body; 11, groove; 2, collar; 21, turn edge; 22, bayonet socket; 23, positioning pawl; 3, elastic component; 31, bending; 4, bearing pin.
Embodiment
As shown in Figure 1, this lock nut is made up of body 1, collar 2 and elastic component 3.Have tapped hole in the body 1.In the present embodiment, body 1 is a hexagonal prismoid shape, and such shape helps rotating body 1, sees shown in Figure 2.
As shown in Figure 1 and Figure 4, the sidepiece of collar 2 has and turns edge 21, turns edge to have several equally distributed bayonet sockets 22 on 21.
As shown in Figure 1, the outside of body 1 has the symmetrically arranged groove 11 of twice, and the bearing pin 4 that is being connected at groove 11 places.Elastic component 3 is for sheet and roughly be Ω shape, and its Ω arc-shaped head is enclosed within on the bearing pin 4.
When this lock nut was installed, setting tool was buckled in body 1 outside, with 3 closures of the elastic component on the body 1, rotates body 1 then it is connected on the screw rod of required connection.Because collar 2 is buckled in body 1 end, so setting tool takes out back elastic component 3 and outwards opened by himself elastic force, and the elastic component 3 after opening a wherein end just is embedded in the bayonet socket 22 of collar 2, and the other end of elastic component 3 is near 11 bottoms of the groove on the body 1.In the present embodiment, the end that elastic component 3 abuts against groove 11 has bending 31, and this bending 31 is between the end face of collar 2 and body 1.Prevent that by such structure elastic component 3 is loosening.As can be seen, in a single day the end of elastic component 3 is embedded in the bayonet socket 22 of collar 2, and collar 2 just links together firmly with body 1.In the present embodiment, the inboard of collar 2 has positioning pawl 23, prevents collar 2 displacements in installation process by it, sees shown in Figure 3.
When certainly, needing this lock nut of dismounting.With elastic component 3 closures, the end that elastic component 3 is embedded in bayonet socket 22 just spins off from bayonet socket 22 by above-mentioned instrument.As can be seen, this moment, collar 2 did not link together with body 1, rotated body 1 back and just this lock nut can be removed.
In addition, on elastic component 3, aperture is set, plush copper is set in 21 inboards that turn edge also can reaches collar 2 and body 1 are solidly connected together purpose.
Claims (9)
1, a kind of lock nut comprises the body (1) with tapped hole, it is characterized in that, described body (1) end is provided with collar (2), and the outside of body (1) is provided with elastic component (3), and the end of elastic component (3) can snap in the collar (2).
2, lock nut according to claim 1 is characterized in that, described collar (2) sidepiece has turn edge (21), and above-mentioned elastic component (3) can snap in turn edge (21).
3, lock nut according to claim 2 is characterized in that, evenly is provided with the bayonet socket (22) of several perforations on described the turning edge (21), and above-mentioned elastic component (3) can be embedded in the bayonet socket (22).
4, lock nut according to claim 2 is characterized in that, evenly is provided with the plush copper of several protrusions on described the turning edge (21), and above-mentioned elastic component (3) end has aperture, and plush copper can be embedded in the aperture.
According to each described lock nut of claim 1 to 4, it is characterized in that 5, be connected with bearing pin (4) on the described body (1), described elastic component (3) is Ω shape, the arc-shaped head of elastic component (3) Ω shape is enclosed within on the bearing pin (4).
6, lock nut according to claim 3 is characterized in that, the other end that described elastic component (3) is embedded in the bayonet socket (22) has bending (31), and this bending (31) is positioned between the end face of the end face of body (1) and collar (2).
According to each described lock nut of claim 1 to 4, it is characterized in that 7, described body (1) outside has groove (11), above-mentioned elastic component (3) is positioned at groove (11).
According to each described lock nut of claim 1 to 4, it is characterized in that 8, described collar (2) inboard has a positioning pawl (23).
According to each described lock nut of claim 1 to 4, it is characterized in that 9, described elastic component (3) is a sheet, the quantity of elastic component (3) is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620040542 CN2908895Y (en) | 2006-03-27 | 2006-03-27 | Locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620040542 CN2908895Y (en) | 2006-03-27 | 2006-03-27 | Locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2908895Y true CN2908895Y (en) | 2007-06-06 |
Family
ID=38128106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620040542 Expired - Lifetime CN2908895Y (en) | 2006-03-27 | 2006-03-27 | Locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2908895Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425847C (en) * | 2006-03-27 | 2008-10-15 | 于逊刚 | Locking nut |
-
2006
- 2006-03-27 CN CN 200620040542 patent/CN2908895Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425847C (en) * | 2006-03-27 | 2008-10-15 | 于逊刚 | Locking nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081015 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |