CN101629597B - Self locking screw sleeve - Google Patents
Self locking screw sleeve Download PDFInfo
- Publication number
- CN101629597B CN101629597B CN2008101416201A CN200810141620A CN101629597B CN 101629597 B CN101629597 B CN 101629597B CN 2008101416201 A CN2008101416201 A CN 2008101416201A CN 200810141620 A CN200810141620 A CN 200810141620A CN 101629597 B CN101629597 B CN 101629597B
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- China
- Prior art keywords
- screw sleeve
- locking screw
- self locking
- main body
- face
- 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
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Abstract
The invention relates to a self locking screw sleeve, which is mainly connected to a metal component and comprises a body, wherein the body is in a hollow column shape and is provided with internal threads; a circular groove is arranged on the inner wall of the body; a locking ring is arranged in the circular groove; the locking ring protrudes from the circular groove and is lower than the tooth height of the internal threads; and a wedge-shaped groove is arranged on the outer wall of the body. The self locking screw sleeve also comprises a bolt which is matched with the wedge-shaped groove and is riveted between the body and the metal component. Because the locking ring of a relatively low rigidity is arranged in the self locking screw sleeve of the invention, the locking ring is deformed to a certain degree and does not cause problems of tripping dog, disordering teeth and the like after the bolt is screwed in. The bolt reinforces the connection between the self locking screw sleeve and the metal component and does not bring the self locking screw sleeve out of the metal component when the bolt is screwed out.
Description
Technical field
The present invention relates to a kind of link, more particularly, relate to a kind of self locking screw sleeve.
Background technique
The hardness of light-weight metal component or goods is generally all lower, and the tapped hole on it is connected with screw.After repeatedly dismounting was spirally connected, tapped hole caused silk mouthful stripped thread easily, can't be spirally connected again.This makes whole component or goods scrap, and has increased the scrappage of component or goods, causes unnecessary waste.
In order to solve the tapped hole silk mouth stripped thread problem of light-weight metal; Existing technical scheme generally is in tapped hole, to be embedded steel-wire screw-socket or self-locking steel wire swivel nut; These swivel nuts are processed by the higher metal material of hardness, can play the phenomenon that prevents tapped hole silk mouth stripped thread.
Yet steel-wire screw-socket and self-locking steel wire swivel nut withstand or block screw easily, problems such as tripping, random tooth occur, cause and can't be screwed into and back-out; The situation that swivel nut self is taken out of in the mounting hole by screw perhaps occurs, cause and scrap.
Summary of the invention
The technical problem that the present invention will solve is, occurs tripping, random tooth easily to the swivel nut of existing technology, and the defective of perhaps being taken out of by screw provides a kind of self locking type screw, can solve the problem of tripping, random tooth.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of self locking screw sleeve, be used to be connected metal parts; Said self locking screw sleeve comprises main body, and wherein, said main body is a hollow columnar, is provided with internal thread; The inwall of said main body is provided with annular groove, in annular groove, is provided with clamp ring.
In self locking screw sleeve of the present invention, said clamp ring is given prominence in said annular groove, and is lower than the tooth height of said internal thread.
In self locking screw sleeve of the present invention, said clamp ring is processed by low hardness metal, plastics or rubber.
In self locking screw sleeve of the present invention, the end face of said main body is provided with and is used for the mounting groove that cooperates with dismantling device, and the end face of said mounting groove is lower than the end face of main body.
In self locking screw sleeve of the present invention, the quantity of said mounting groove is two, is located along the same line and all along the end face of said main body radially.
In self locking screw sleeve of the present invention, the quantity of said mounting groove is four, is positioned on two straight lines and all along the end face of said main body radially.
In self locking screw sleeve of the present invention, on the outer wall of said main body, be provided with wedge slot; Said self locking screw sleeve also comprises with said wedge slot and cooperates, is riveted on the latch between said main body and the said metal parts.
In self locking screw sleeve of the present invention, the center hole two ends of said main body are provided with outside chamfering.
The self locking screw sleeve of embodiment of the present invention has following beneficial effect: be provided with the lower clamp ring of hardness in the self locking screw sleeve, after screw was screwed into, a certain amount of deformation took place in the clamp ring meeting, problems such as tripping, random tooth can not occur.Being provided with of latch reinforced being connected between self locking screw sleeve and the metal parts, when screw is back-outed, can self locking screw sleeve do not taken out of from metal parts.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the partial sectional view of self locking screw sleeve of the present invention;
Fig. 2 is the partial sectional view of self locking screw sleeve of the present invention when clamp ring is not installed;
Fig. 3 is the structural representation of clamp ring of the present invention;
Fig. 4 is the structural representation of the latch of self locking screw sleeve of the present invention.
Embodiment
As shown in Figure 1, self locking screw sleeve 100 of the present invention is used to be connected metal parts, comprises main body 140, and this main body 140 is a hollow columnar, has center hole 150, is provided with internal thread in this center hole 150.For the ease of being connected with corresponding screw, the two ends of center hole 150 are provided with outside chamfering 161,162, for screw plays leading role.
Outer surface in main body 140 is provided with outside thread, be used for metal parts on tapped hole (not shown) be connected.This metal parts can be a light metal parts, and self locking screw sleeve 100 is processed by the higher metal of hardness, to avoid wearing and tearing.
With reference to Fig. 2 and Fig. 3, on the inwall of main body 140, be provided with annular groove 130.In annular groove 130, be provided with clamp ring 200.This clamp ring 200 is an annular, be used to prevent self locking screw sleeve 100 and and the screw of its internal thread engagement between get loose.Clamp ring 200 is processed by the lower material of hardness, for example, the metal that hardness is lower, like lead, perhaps plastics, rubber etc. are squeezed certain deformation can take place.Clamp ring 200 is outstanding from annular groove 130, and is lower than the tooth height of internal thread slightly.When the screw of correspondence and the engagement of the internal thread on the main body 140, screw can push clamp ring 200, and it is deformed, thereby with main body 140 and corresponding screw lock.
With reference to Fig. 1, self locking screw sleeve 100 is screwed into the tapped hole of corresponding metal parts or therefrom back-outs for ease, and one or two end face of main body 140 is provided with and is used for the mounting groove 120 that cooperates with dismantling device, and the end face of mounting groove 120 is lower than the end face of main body.The quantity of mounting groove 120 can be as shown in the figure two, is located along the same line and all along main body 140 end faces radially, can adopt this moment flathead screwdriver to insert mounting groove 120, carries out installation or removal.The quantity of mounting groove 120 can be four also, is positioned on two straight lines and all along main body 140 end faces radially, and can adopt cross driver to carry out installation or removal this moment.
With reference to Fig. 1 and Fig. 4, when being screwed onto the screw in the self locking screw sleeve 100 when back-outing, self locking screw sleeve 100 is easy to bring certain difficulty along with the screw tapped hole of back-outing to dismounting process.Therefore, on the outer wall of main body 140, be provided with wedge slot 110.This wedge slot 110 preferably extends to the other end from an end of main body 140.Self locking screw sleeve 100 also comprises latch 300; When self locking screw sleeve 100 with after screw on the metal parts is connected; Latch 300 is inserted wedge slot 110; Latch 300 is riveted between main body 140 and the corresponding metal parts, thereby reinforces being connected between self locking screw sleeve 100 and the metal parts, prevent self locking screw sleeve 100 motions.
Be provided with the lower clamp ring of hardness 200 in the self locking screw sleeve 100 of the present invention, after screw was screwed into, a certain amount of deformation can take place in clamp ring 200, problems such as tripping, random tooth can not occur.Being provided with of latch 300 reinforced being connected between self locking screw sleeve 100 and the metal parts, when screw is back-outed, can self locking screw sleeve 100 do not taken out of from metal parts.
Claims (5)
1. a self locking screw sleeve is used to be connected metal parts; Said self locking screw sleeve comprises main body, it is characterized in that, said main body is a hollow columnar, has the center hole that is provided with internal thread, and the outer surface of said main body is provided with outside thread, be used for metal parts on tapped hole be connected; The inwall of said main body is provided with annular groove, in annular groove, is provided with clamp ring;
Said clamp ring is processed by the low hardness metal, and said clamp ring is given prominence in said annular groove, and is lower than the tooth height of said internal thread;
On the outer wall of said main body, be provided with wedge slot, said wedge slot extends to the other end by an end of said main body; Said self locking screw sleeve also comprises the latch that is connected that cooperates, reinforces with said wedge slot between said self locking screw sleeve and the metal parts.
2. self locking screw sleeve according to claim 1 is characterized in that, the end face of said main body is provided with and is used for the mounting groove that cooperates with dismantling device, and the end face of said mounting groove is lower than the end face of main body.
3. self locking screw sleeve according to claim 2 is characterized in that the quantity of said mounting groove is two, is located along the same line and all along the end face of said main body radially.
4. self locking screw sleeve according to claim 2 is characterized in that the quantity of said mounting groove is four, is positioned on two straight lines and all along the end face of said main body radially.
5. self locking screw sleeve according to claim 1 is characterized in that, the center hole two ends of said main body are provided with outside chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101416201A CN101629597B (en) | 2008-07-18 | 2008-07-18 | Self locking screw sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101416201A CN101629597B (en) | 2008-07-18 | 2008-07-18 | Self locking screw sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629597A CN101629597A (en) | 2010-01-20 |
| CN101629597B true CN101629597B (en) | 2012-05-23 |
Family
ID=41574833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101416201A Expired - Fee Related CN101629597B (en) | 2008-07-18 | 2008-07-18 | Self locking screw sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629597B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889275A (en) * | 2016-06-16 | 2016-08-24 | 新乡巴山航空材料有限公司 | Locking steel wire threaded sleeve |
-
2008
- 2008-07-18 CN CN2008101416201A patent/CN101629597B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629597A (en) | 2010-01-20 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20190718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |