CN202690678U - Internal-thread fastener, fastener and fastener mounting structure - Google Patents
Internal-thread fastener, fastener and fastener mounting structure Download PDFInfo
- Publication number
- CN202690678U CN202690678U CN 201220325164 CN201220325164U CN202690678U CN 202690678 U CN202690678 U CN 202690678U CN 201220325164 CN201220325164 CN 201220325164 CN 201220325164 U CN201220325164 U CN 201220325164U CN 202690678 U CN202690678 U CN 202690678U
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- nut
- sawtooth
- fastening piece
- face
- internal thread
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Abstract
The utility model discloses an internal-thread fastener. The internal-thread fastener (1) comprises a first nut (10) and a second nut (20), wherein first saw teeth (11) are formed on one end surface of the first nut (10); and second saw teeth (21) capable of being meshed with the first saw teeth (11) are formed on one end surface of the second nut (20). Furthermore, the utility model discloses a fastener. The fastener comprises an external-thread rod piece and the internal-thread fastener. Besides, the utility model further discloses a fastener mounting structure. The fastener mounting structure comprises a first part and a second part, wherein the first part is fixedly connected with the second part through the fastener. The utility model has the advantage that through providing the internal-thread fastener comprising the first nut and the second nut which are mutually meshed to prevent a fastened part from being loosened, the reliability of the connected part during long-term operation is improved.
Description
Technical field
The utility model relates to machinery and vehicular field, particularly, relates to a kind of internal thread fastening piece, fastening piece and fastening piece mounting structure.
Background technique
As everyone knows, bolt fastening structure is commonly used in the mechanical field and Placement easily.In order to strengthen the connection reliability between the non-threaded parts, usually need to carry out locking processing to nut.Especially in Vehicle Driving Cycle, the parts that are bolted can be subject to multiple impact, and in this case, nut loosening will cause element falling etc., and this will cause extremely serious consequence.
In the prior art, common locking measure comprises that friction is locking, machinery is locking etc.The locking modes such as pad, double nut are set that comprise wherein rub.It mainly is to be undertaken locking by the frictional force that produces between nut and pad and nut and the nut.And the locking locked spacer that comprises of machinery is locking, and cotter pin is locking etc.Mainly by between the tooth and nut on the locked spacer, perhaps the interaction between cotter pin and the nut prevents from becoming flexible for it.But in actual applications, the locking measure of these nuts can not guarantee higher reliability in long-term work.
The model utility content
A purpose of the present utility model provides a kind of internal thread fastening piece, and this internal thread fastening piece can play locking effect when matching use with other external thread pieces.
To achieve these goals, the utility model provides a kind of internal thread fastening piece, this internal thread fastening piece comprises the first nut and the second nut, and the end face of described the first nut arranges the first sawtooth, the second sawtooth that the end face setting of described the second nut can be meshed with described the first sawtooth.
Preferably, described the first sawtooth along the circumferential direction evenly distributes on the end face of described the first nut, and described the second sawtooth along the circumferential direction evenly distributes on the end face of described the second nut.
Preferably, described the first sawtooth protrudes from the end face of described the first nut, and described the second sawtooth protrudes from the end face of described the second nut.
Preferably, described the first sawtooth comprises first flank of tooth that is positioned at this first sawtooth one side and the first mating face of opposite side, described the second sawtooth comprises second flank of tooth that is positioned at this second sawtooth one side and the second mating face of opposite side, described first flank of tooth matches with described second flank of tooth, matches with described the second mating face in described the first mating face.
Preferably, described first flank of tooth is with respect to the end slope of described the first nut, described the first mating face is perpendicular to the end face of the first nut, and described second flank of tooth is with respect to the end slope of described the second nut, described the second mating face is perpendicular to the end face of described the second nut, thereby under the state of described the first sawtooth and described the second engagement, described the second nut can be tightened along fastening direction is unidirectional with respect to described the first nut.
More preferably, described internal thread fastening piece also comprises be used to being arranged between described the first nut and described the second nut with the seal ring around described the first sawtooth and the second sawtooth.
Another purpose of the present utility model provides a kind of fastening piece, and this uses this fastening piece to connect two parts, and two parts are fixed together securely, prevents from becoming flexible.
In order to realize above-mentioned another purpose, the utility model provides a kind of fastening piece, and this fastening piece comprises the outside thread rod member and according to above-described internal thread fastening piece, the outside thread of described outside thread rod member can match with the internal thread of described internal thread fastening piece.
In addition, another purpose of the present utility model provides a kind of fastening piece mounting structure, and this fastening piece mounting structure can guarantee higher reliability in long-term work.
In order to realize an above-mentioned again purpose, the utility model provides a kind of fastening piece mounting structure, and this fastening piece mounting structure comprises first component and second component, and described first component and described second component are by being fixedly connected with according to above-mentioned fastening piece.
The utility model is locking by providing the internal thread fastening piece that comprises intermeshing the first nut and the second nut that fastening parts are carried out, and has improved the reliability of connected component in long-term work.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of internal thread fastening piece of the present utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic representation of internal thread fastening piece of the present utility model;
Fig. 3 is the structure enlarged diagram of the first nut and the second nut in the utility model;
Fig. 4 is the schematic representation of fastening piece mounting structure of the present utility model.
Description of reference numerals
1 internal thread fastening piece, 2 outside thread rod members
3 first components, 4 second components
11 first sawtooth 11a, first flank of tooth
11b the first mating face 21 second sawtooth
21a the second flank of tooth 21b the second mating face
30 Sealings
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation of not doing opposite explanation, the noun of locality of use " inside and outside " refers to inside and outside with respect to the profile of each parts.
Loosening under multiple impact in order to prevent connecting two parts by fastening piece, referring to Fig. 1 to Fig. 3, the utility model provides a kind of internal thread fastening piece, this internal thread fastening piece 1 comprises the first nut 10 and the second nut 20, the end face of the first nut 10 arranges the second sawtooth 21 that the end face setting of the first sawtooth 11, the second nuts 20 can be meshed with the first sawtooth 11.Wherein, the first nut 10 and the second nut 20 internal thread that should have identical pitch.Usually, the first nut 10 can be in both state that separates and the state that is in both engagements with the second nut 20.Be at internal thread fastening piece 1 in the situation of storage or circulation transportation, the first nut 10 and the second nut 20 can be in separated state; When using internal thread fastening piece 1 fastening, the first nut 10 and the second nut 20 are intermeshing, and be loosening under multiple impact with two parts that prevent from being connected.
As shown in Figures 2 and 3, the first sawtooth 11 along the circumferential direction evenly distributes on the end face of the first nut 10, and the second sawtooth 21 along the circumferential direction evenly distributes on the end face of the second nut 20.Wherein, evenly distribution had both referred to that each sawtooth on end face had identical profile of tooth and size, and had in a circumferential direction identical interval between sawtooth and the sawtooth.Like this, the first sawtooth 11 and the second sawtooth 21 can be in a circumferential direction more swimmingly engagement, and the first sawtooth 11 and the second sawtooth 21 have equably stressing conditions after engagement, concentrate and stress can not occur.
Be appreciated that the deployment scenarios on the end face of the second nut 20 can be various ways to the first sawtooth 11 in the deployment scenarios on the end face of the first nut 10 and the second sawtooth 21.For example, the first sawtooth 11 protrudes from the end face of the first nut 10, the second sawtooth 21 concaves from the end face of the second nut 20, namely after the first sawtooth 11 and 21 engagements of the second sawtooth, there is not the gap between the end face of the first nut 10 and the second nut 20, can prevents that other materials (such as water or dust etc.) from entering between two nuts and affect two engagements between the nut.Vice versa, and the first sawtooth 11 can concave from the end face of the first nut 10, and the second sawtooth 21 can protrude from the end face of the second nut 20.
When considering to make more easily the first sawtooth 11 and the second sawtooth 21, preferably make the first sawtooth 11 protrude from the end face of the first nut 10, and the second sawtooth 21 protrude from the end face of the second nut 20.Wherein, the formation method of sawtooth on end face, normally the method by gear hobbing forms, but is not limited to this manufacture method.
Referring to Fig. 3, the first sawtooth 11 comprises the first flank of tooth 11a of being positioned at these the first sawtooth 11 1 sides and the first mating face 11b of opposite side, the second sawtooth 21 comprises the second flank of tooth 21a of being positioned at these the second sawtooth 21 1 sides and the second mating face 21b of opposite side, the first flank of tooth 11a matches with the second flank of tooth 21a, and the first mating face 11b matches with the second mating face 21b.In that being cooperated with other members, internal thread fastening piece 1 carries out when fastening, can be considered as the second nut 20 static, by rotating the first nut 10,10 on the first nut is in axial direction gradually near the second nut 20, and is last, so that the first sawtooth 11 and 21 engagements of the second sawtooth, and after engagement, the first flank of tooth 11a abuts against with the second flank of tooth 21a, and simultaneously, the first mating face 11b abuts against with the second mating face 21b.
Referring to Fig. 3, more particularly, the first flank of tooth 11a is with respect to the end slope of the first nut 10, and the first mating face 11b is perpendicular to the end face of the first nut 10, and the second flank of tooth 21a is with respect to the end slope of the second nut 20, and the second mating face 21b is perpendicular to the end face of the second nut 20.Wherein, term " vertically " refers to that the first mating face 11b is approximately perpendicular to the end face of the first nut 10, as shown in FIG., does not get rid of the situation that the first mating face 11b tilts a little with respect to the end face of the first nut 10.Therefore, under the state of the first sawtooth 11 and 21 engagements of the second sawtooth, the second nut 20 can be tightened along fastening direction is unidirectional with respect to the first nut 10.
Specifically in the drawings, when clockwise rotating the first nut 10, the first flank of tooth 11a of inclination slides with respect to the second flank of tooth 21b, and the second flank of tooth 21a is applied active force, thereby can tighten the second nut 20.Should be noted that ground, after the first sawtooth 11 and 21 engagements of the second sawtooth, the first nut more than 10 can be rotated an angle (namely the first nut 10 being applied certain pretightening force), closely fit thereby make between the first mating face 11a and the second mating face 21b, thereby prevent from becoming flexible.
When rotating counterclockwise the first nut 10, the interaction of the first mating face 11a and the second mating face 21b can't rotate counterclockwise the first nut 10, thereby has realized that further whole internal thread fastening piece 1 prevents the effect of becoming flexible.
Because the first sawtooth 11 and the second sawtooth 21 all protrude from the end face of various nuts, therefore, after sawtooth engages, cause water or dust etc. to be easy to enter in the internal thread fastening piece 1, affect the engagement between the sawtooth.In some working environment, the sawtooth of exposure is corroded easily, and can't guarantee long-term functional reliability.Therefore, internal thread fastening piece of the present utility model can also comprise be used to being arranged between the first nut 10 and the second nut 20 with the seal ring 30 around the first sawtooth 11 and the second sawtooth 21.Seal ring 30 by around mode the first sawtooth 11 and the second sawtooth 21 are protected, thereby play the effects such as sealing, corrosion protection.Seal ring 30 can be made by multiple materials such as rubber, plastics, but is not limited to these materials.
On the basis that above-mentioned internal thread fastening piece 1 is provided, the utility model also relates to a kind of fastening piece, wherein, this fastening piece comprises outside thread rod member 2 and according to internal thread fastening piece 1 described above, the outside thread of outside thread rod member 2 can match with the internal thread (internal thread of the first nut 10 and the second nut 20) of internal thread fastening piece 1, thereby two parts can be tightened together.
Therefore, as shown in Figure 4, the utility model also relates to a kind of fastening piece mounting structure, and this fastening piece mounting structure comprises first component 3 and second component 4.Particularly, first component 3 is fixedly connected with by above-mentioned fastening piece with second component 4.Because it is locking to have adopted internal thread fastening piece 1 to carry out, compared with prior art, first component 3 and second component 4 can guarantee higher reliability in long-term work.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characteristics described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible compound modes.As long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. internal thread fastening piece, it is characterized in that, this internal thread fastening piece (1) comprises the first nut (10) and the second nut (20), the end face of described the first nut (10) arranges the first sawtooth (11), the second sawtooth (21) that the end face setting of described the second nut (20) can be meshed with described the first sawtooth (11).
2. internal thread fastening piece according to claim 1, it is characterized in that, described the first sawtooth (11) along the circumferential direction evenly distributes on the end face of described the first nut (10), and described the second sawtooth (21) along the circumferential direction evenly distributes on the end face of described the second nut (20).
3. internal thread fastening piece according to claim 1 is characterized in that, described the first sawtooth (11) protrudes from the end face of described the first nut (10), and described the second sawtooth (21) protrudes from the end face of described the second nut (20).
4. internal thread fastening piece according to claim 1, it is characterized in that, described the first sawtooth (11) comprises first flank of tooth (11a) that is positioned at these the first sawtooth (11) one sides and first mating face (11b) of opposite side, described the second sawtooth (21) comprises second flank of tooth (21a) that is positioned at these the second sawtooth (21) one sides and second mating face (21b) of opposite side, described first flank of tooth (11a) matches with described second flank of tooth (21a), matches with described the second mating face (21b) in described the first mating face (11b).
5. internal thread fastening piece according to claim 4, it is characterized in that, described first flank of tooth (11a) is with respect to the end slope of described the first nut (10), described the first mating face (11b) is perpendicular to the end face of the first nut (10), and described second flank of tooth (21a) is with respect to the end slope of described the second nut (20), described the second mating face (21b) is perpendicular to the end face of described the second nut (20), thereby under the state that described the first sawtooth (11) and described the second sawtooth (21) mesh, described the second nut (20) can be tightened along fastening direction is unidirectional with respect to described the first nut (10).
6. internal thread fastening piece according to claim 1, it is characterized in that described internal thread fastening piece also comprises be used to being arranged between described the first nut (10) and described the second nut (20) with the seal ring (30) around described the first sawtooth (11) and the second sawtooth (21).
7. fastening piece, it is characterized in that, this fastening piece comprises outside thread rod member (2) and the described internal thread fastening piece of any one (1) in 6 according to claim 1, and the outside thread of described outside thread rod member (2) can match with the internal thread of described internal thread fastening piece (1).
8. fastening piece mounting structure, this fastening piece mounting structure comprises first component (3) and second component (4), it is characterized in that, described first component (3) is fixedly connected with by fastening piece according to claim 7 with described second component (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325164 CN202690678U (en) | 2012-07-05 | 2012-07-05 | Internal-thread fastener, fastener and fastener mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325164 CN202690678U (en) | 2012-07-05 | 2012-07-05 | Internal-thread fastener, fastener and fastener mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690678U true CN202690678U (en) | 2013-01-23 |
Family
ID=47546304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325164 Expired - Fee Related CN202690678U (en) | 2012-07-05 | 2012-07-05 | Internal-thread fastener, fastener and fastener mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690678U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398081A (en) * | 2013-07-26 | 2013-11-20 | 苏州天华有色金属制品有限公司 | Non-slip washer |
| CN105575860A (en) * | 2014-10-09 | 2016-05-11 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Rotating connection assembly for trays and reaction chamber employing same |
| CN109681511A (en) * | 2019-02-19 | 2019-04-26 | 杨天啸 | Difference ratchet type blocking double nut |
| CN117847073A (en) * | 2024-03-03 | 2024-04-09 | 沈阳晋亿紧固件技术开发有限公司 | High-strength locknut |
-
2012
- 2012-07-05 CN CN 201220325164 patent/CN202690678U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398081A (en) * | 2013-07-26 | 2013-11-20 | 苏州天华有色金属制品有限公司 | Non-slip washer |
| CN105575860A (en) * | 2014-10-09 | 2016-05-11 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Rotating connection assembly for trays and reaction chamber employing same |
| CN105575860B (en) * | 2014-10-09 | 2018-09-14 | 北京北方华创微电子装备有限公司 | The rotatable connection component of pallet and apply its reaction chamber |
| CN109681511A (en) * | 2019-02-19 | 2019-04-26 | 杨天啸 | Difference ratchet type blocking double nut |
| CN109681511B (en) * | 2019-02-19 | 2021-05-04 | 杨天啸 | Differential ratchet type anti-loose double nut |
| CN117847073A (en) * | 2024-03-03 | 2024-04-09 | 沈阳晋亿紧固件技术开发有限公司 | High-strength locknut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130123 Termination date: 20170705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |