CN101551091B - Anti-loosing locking structure and projection lamp provided same - Google Patents
Anti-loosing locking structure and projection lamp provided same Download PDFInfo
- Publication number
- CN101551091B CN101551091B CN200810066405XA CN200810066405A CN101551091B CN 101551091 B CN101551091 B CN 101551091B CN 200810066405X A CN200810066405X A CN 200810066405XA CN 200810066405 A CN200810066405 A CN 200810066405A CN 101551091 B CN101551091 B CN 101551091B
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- China
- Prior art keywords
- hole
- snap ring
- bolt
- nut
- counter sink
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to an anti-loosing locking structure comprising a locking piece, a locked piece, a bolt, a screw nut and an open-ended flexible snap ring, wherein the locking piece and the locked piece are correspondingly provided with a first through hole and a second through hole which are communicated with each other, one tip of the first through hole away from the locked piece is a counter sink, and the bolt passes through the first through hole and the second through hole; the screw nut is arranged in the counter sink and is matched with the bolt; the inner diameter of the flexiblesnap ring is smaller than the outer diameter of the screw nut; a ring-shaped groove is arranged on the hole wall of the counter sink, and the flexible snap ring is embedded in the groove and is in contact with the top of the screw nut. The invention also provides a projection lamp applied with the locking structure. The flexible snap ring acts, thereby effectively preventing the problem that the screw nut drops from the bolt, thus causing that the locking function fails; and the locking structure is applied to the projection lamp, thus preventing the problem that the sealing between a lamp holder and a lamp shade fails, thereby preventing dust, rain water, and the like, from entering the inner cavity of a projection lamp box and the lamp bulb or electrical apparatus elements from being damaged.
Description
Technical field
The present invention relates to a kind of locking mechanism, more particularly, relate to a kind of anti-loose locking mechanism and have the projecting lamp of this locking mechanism.
Background technology
Bolt and nut are widely used in every field as a kind of securing member commonly used.When be applied to often to move with the vibrations object on the time, use for a long time, nut can split away off from bolt, causes two lockings to lose efficacy and cause damage.For example in projecting lamp,, prolong the service life of projecting lamp, generally all bulb and electric appliance component sealing are installed in a projecting lamp box of being made up of lamp socket and lampshade in order effectively to protect the bulb and the electric appliance component of projecting lamp; Simultaneously, easy for installation for bulb and electric appliance component is fastenedly connected by bolt and nut between lamp socket and the lampshade.And projecting lamp is strong owing to its illumination brightness, range of exposures is wide, anti-bumpiness and good motor vehicles, ship, naval vessels, aviation field and the mine mining field of being widely used in of corrosivity, after the use of jolting for a long time, the nut that is used for fastening lamp socket and lampshade comes off out from bolt through regular meeting, cause lamp socket and light cover to get loose, make dust, rainwater infiltrate projecting lamp box inner chamber, damage bulb or electric appliance component; Simultaneously, also easily cause lampshade to lose, bring unnecessary economic loss.
Summary of the invention
The technical problem to be solved in the present invention is, come off and damnous problem from bolt easily at nut in the locking mechanism of prior art bolt and nut, and a kind of locking mechanism of screw cap-falling and projecting lamp with this locking mechanism of preventing is provided.
The technical solution adopted for the present invention to solve the technical problems is: propose a kind of anti-loose locking mechanism, comprise locking member, part is locked, bolt, nut, corresponding first through hole and second through hole that is provided with mutual perforation of the described part that is locked with locking member, described first through hole is a counter sink away from the termination of locking member, described first through hole of described bolt-through and second through hole, described nut is arranged in described counter sink and matches with described bolt, this locking mechanism also comprises the snap ring of opening, the internal diameter of described snap ring is less than the external diameter of described nut, the hole wall of described counter sink is provided with the groove of annular, and described snap ring is embedded in the described groove and with the top of described nut and contacts.
In anti-loose locking mechanism of the present invention, the two ends of described snap ring opening are provided with and are used to be held the clamp structure that makes snap ring generation strain and dwindle the snap ring internal diameter.
In anti-loose locking mechanism of the present invention, described clamp structure is made of the hole at the two ends that are arranged on the snap ring opening.
In anti-loose locking mechanism of the present invention, described clamp structure is that the two ends of snap ring opening constitute at the elongated end of its opening part bending.
In anti-loose locking mechanism of the present invention, described second through hole is provided with shoulder hole in the termination near the part that is locked, and is provided with the annular rubber ring that is sleeved on the bolt in shoulder hole, and the medial surface of described rubber ring and described bolt closely cooperate.
The present invention solves the another kind of technical scheme that its technical problem adopts: propose a kind of projecting lamp, comprise lamp socket, lampshade, bolt, nut, corresponding first through hole and second through hole that is provided with mutual perforation on described lamp socket and the lampshade, described first through hole is a counter sink away from the termination of lampshade, described first through hole of described bolt-through and second through hole, described nut is arranged in described counter sink and matches with described bolt, this locking mechanism also comprises the snap ring of opening, the internal diameter of described snap ring is less than the external diameter of described nut, the hole wall of described counter sink is provided with the groove of annular, and described snap ring is embedded in the described groove and with the top of described nut and contacts.
In projecting lamp of the present invention, the two ends of described snap ring opening are provided with and are used to be held the clamp structure that makes snap ring generation strain and dwindle the snap ring internal diameter.
In projecting lamp of the present invention, described clamp structure is made of the hole that is arranged on the snap ring two ends.When mounted, available erecting tools such as nipper plier are inserted in the hole at two ends of snap ring opening, make snap ring produce strain, and internal diameter dwindles, so that snap ring is put into counter sink.
In projecting lamp of the present invention, described clamp structure is that the two ends of snap ring opening constitute at the elongated end that its opening part upwards bends, this elongated end is vertical mutually with the annular section of snap ring, also inclination that can be angled, or extend to the center of ring with the annular section plane that coexists.Adopt this kind structure, can directly make snap ring produce strain with the hand-held elongated end of holding the snap ring opening part, internal diameter dwindles and conveniently puts in the counter sink.
In projecting lamp of the present invention, described second through hole is provided with shoulder hole in the termination near lamp socket, is provided with the annular rubber ring that is sleeved on the bolt in shoulder hole, and the medial surface of described rubber ring and described bolt closely cooperate.
Implement the present invention compared with prior art, has following advantage: because the effect of snap ring, can prevent effectively that nut from coming off from bolt, thereby the locking function that prevents bolt and nut lost efficacy and caused damage, this locking mechanism is used and projecting lamp, can effectively avoid because of coming off of nut causes seal failure between lamp socket and lampshade, thereby avoid dust, rainwater etc. to infiltrate projecting lamp box inner chambers, damage bulb or electric appliance component.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the anti-loose locking mechanism of first embodiment.
Fig. 2 is a kind of structural representation of snap ring among first embodiment.
Fig. 3 is the another kind of structural representation of snap ring among first embodiment.
Fig. 4 is the structural representation of the second embodiment projecting lamp.
Fig. 5 is the partial enlarged drawing of Fig. 4 at the B place.
The specific embodiment
Fig. 1 to Fig. 3 shows first more excellent embodiment of the present invention.
As shown in Figure 1, anti-loose locking mechanism comprises the snap ring 5 of the part 1 that is locked, locking member 2, bolt 3, nut 4, opening, corresponding first through hole 6 and second through hole 7 that is provided with mutual perforation on be locked part 1 and locking member 2, first through hole 6 that wherein is positioned on the part 1 that is locked is a counter sink 8 away from the termination of locking member 2, bolt 3 runs through first through hole 6 and second through hole 7, and nut 4 is arranged in counter sink 8 and matches with bolt 10.Be provided with the groove 9 of annular on the hole wall of counter sink 8, the internal diameter of snap ring 5 is less than the external diameter of nut 4 but greater than the diameter of bolt 3, the external diameter of snap ring 5 is slightly larger than the aperture of counter sink 4, and snap ring 5 is embedded in the groove 9 and with the top of nut 4 and contacts.
The installation and removal of snap ring 5 for convenience, the two ends of snap ring 5 are provided with and are used to be held the clamp structure that makes snap ring generation strain and dwindle the snap ring internal diameter, in the specific implementation, clamp structure can adopt multiple version, wherein a kind of is to be provided with hole 12 in the snap ring termination, the sharp mouth of instrument such as available nipper plier is inserted in the hole and clamps when mounted, the width that makes the snap ring opening diminishes and makes the reduced of snap ring, being convenient to snap ring puts in the counter sink, as shown in Figure 2.Clamp structure also can adopt structure as shown in Figure 3, the elongated end 13 that the snap ring two ends upwards bend at its opening part, and this elongated end is vertical mutually with the annular section of snap ring.Adopt this kind structure, can be directly hold or make snap ring generation strain, internal diameter dwindle and conveniently put in the counter sink with the elongated end of tool holding snap ring opening part with hand-held.
In the present embodiment projecting lamp, in order to prevent that bolt looseness from coming off, be provided with shoulder hole 10 in the termination that is positioned at second through hole, the 7 close parts 1 that are locked on the locking member 2, be provided with the annular rubber ring 11 that is sleeved on the bolt in shoulder hole 10, the medial surface of rubber ring 11 and bolt 3 closely cooperate.Because the rubbing action of rubber ring 11 and bolt 3 can prevent that bolt 3 from withdrawing from from second through hole.
In the present embodiment, nut 4 is because the effect of snap ring, can not from counter sink, loose, and bolt 4 can not withdraw from from second through hole owing to the effect of rubber ring 11, so this kind locking mechanism can prevent to lock the problem that lost efficacy between part 1 and the locking member 2 because of getting loose of nut and bolt causes being locked effectively.
Fig. 4, Fig. 5 show second more excellent embodiment of the present invention.
Present embodiment is that the anti-loose locking mechanism among the embodiment one is applied in the projecting lamp, as shown in Figure 4, the lamp socket 30 of projecting lamp and lampshade 40 constitute the space of a sealing, and luminescence component is installed in it, and the anti-loose locking mechanism between lamp socket 30 and the lampshade 40 among the employing embodiment one is connected.As shown in Figure 5, lamp socket 30 is equivalent to the part that is locked among the embodiment one, lampshade 40 is equivalent to the locking member among the embodiment one, in the specific implementation, also can transfer, structure on the part that is locked among the embodiment one promptly is set on lampshade 40, the structure on the locking member among the embodiment one is set on lamp socket 30, effect is identical like this.
In the present embodiment, owing to adopted anti-loose locking mechanism between the lamp socket 30 of projecting lamp and the lampshade 40, can effectively avoid because of coming off of nut causes seal failure between lamp socket and lampshade, thereby avoid dust, rainwater etc. to infiltrate the inner chamber of projecting lamps, damage bulb or electric appliance component.
Though the present invention is described with reference to some embodiment, those skilled in the art person will be understood that, can not depart from the scope of the present invention and make various changes or replacement.In addition, can make many modifications with special circumstances or material in change the technology of the present invention, and not depart from the scope of the present invention.Therefore, the present invention is not limited to the disclosed embodiments, but comprises all embodiment that fall in the accessory claim scope.
Claims (10)
1. anti-loose locking mechanism, comprise locking member, the part that is locked, bolt, nut, corresponding first through hole and second through hole that is provided with mutual perforation of the described part that is locked with locking member, described first through hole is a counter sink away from the termination of locking member, described first through hole of described bolt-through and second through hole, described nut is arranged in described counter sink and matches with described bolt
It is characterized in that: this locking mechanism also comprises the snap ring of opening, the internal diameter of described snap ring is less than the external diameter of described nut, the hole wall of described counter sink is provided with the groove of annular, and described snap ring is embedded in the described groove and with the end face of described nut and contacts.
2. anti-loose locking mechanism according to claim 1 is characterized in that, the two ends of described snap ring opening are provided with and are used to be held the clamp structure that makes snap ring generation strain and dwindle the snap ring internal diameter.
3. anti-loose locking mechanism according to claim 2 is characterized in that described clamp structure is made of the hole at the two ends that are arranged on the snap ring opening.
4. anti-loose locking mechanism according to claim 2 is characterized in that, described clamp structure is made of at the elongated end of its opening part bending the two ends of snap ring opening.
5. according to each described anti-loose locking mechanism among the claim 1-4, it is characterized in that, described second through hole is provided with shoulder hole in the termination near the part that is locked, and is provided with the annular rubber ring that is sleeved on the bolt in shoulder hole, and the medial surface of described rubber ring and described bolt closely cooperate.
6. projecting lamp, comprise lamp socket, lampshade, bolt, nut, corresponding first through hole and second through hole that is provided with mutual perforation on described lamp socket and the lampshade, described first through hole is a counter sink away from the termination of lampshade, described first through hole of described bolt-through and second through hole, described nut is arranged in described counter sink and matches with described bolt
It is characterized in that: this locking mechanism also comprises the snap ring of opening, the internal diameter of described snap ring is less than the external diameter of described nut, the hole wall of described counter sink is provided with the groove of annular, and described snap ring is embedded in the described groove and with the end face of described nut and contacts.
7. projecting lamp according to claim 6 is characterized in that, the two ends of described snap ring opening are provided with and are used to be held the clamp structure that makes snap ring generation strain and dwindle the snap ring internal diameter.
8. projecting lamp according to claim 7 is characterized in that described clamp structure is made of the hole at the two ends that are arranged on the snap ring opening.
9. projecting lamp according to claim 7 is characterized in that, described clamp structure is made of at the elongated end of its opening part bending the two ends of snap ring opening.
10. according to each described projecting lamp among the claim 6-9, it is characterized in that, described second through hole is provided with shoulder hole in the termination near lamp socket, is provided with the annular rubber ring that is sleeved on the bolt in shoulder hole, and the medial surface of described rubber ring and described bolt closely cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810066405XA CN101551091B (en) | 2008-03-31 | 2008-03-31 | Anti-loosing locking structure and projection lamp provided same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810066405XA CN101551091B (en) | 2008-03-31 | 2008-03-31 | Anti-loosing locking structure and projection lamp provided same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551091A CN101551091A (en) | 2009-10-07 |
| CN101551091B true CN101551091B (en) | 2010-11-10 |
Family
ID=41155482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810066405XA Expired - Fee Related CN101551091B (en) | 2008-03-31 | 2008-03-31 | Anti-loosing locking structure and projection lamp provided same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101551091B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020286A1 (en) * | 2015-08-06 | 2017-02-09 | 杨东佐 | Fastening nut, rotation-stopping structure, fastening connector component and structure, mounting and removing methods, track structure, crankshaft connecting rod mechanism, frame connecting apparatus, frame connecting method, connecting shaft apparatus, wheel framework, bicycle ball stopper, ball stopper apparatus, and wheel frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0227511A1 (en) * | 1985-11-19 | 1987-07-01 | AEROSPATIALE Société Nationale Industrielle | Device to clamp at least two parts side by side to be jointed, and a clamping unit comprising a clamping tool and said clamping device |
| CN2253784Y (en) * | 1995-02-27 | 1997-05-07 | 瑞安市中达汽车配件厂 | Elastic extension fixing device on hole of plate-shaped body |
| CN2314236Y (en) * | 1997-11-18 | 1999-04-14 | 岑东梅 | Rotary holder for lampshade of desk lamp |
| KR20020067134A (en) * | 2001-02-15 | 2002-08-22 | 현대자동차주식회사 | A conclusion structure of the reamer-bolt |
| CN2874265Y (en) * | 2005-10-27 | 2007-02-28 | 金周国 | Table lamp |
| CN101149138A (en) * | 2007-10-18 | 2008-03-26 | 隆鑫工业有限公司 | Motorcycle lamp cover assembling and connecting structure |
-
2008
- 2008-03-31 CN CN200810066405XA patent/CN101551091B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0227511A1 (en) * | 1985-11-19 | 1987-07-01 | AEROSPATIALE Société Nationale Industrielle | Device to clamp at least two parts side by side to be jointed, and a clamping unit comprising a clamping tool and said clamping device |
| CN2253784Y (en) * | 1995-02-27 | 1997-05-07 | 瑞安市中达汽车配件厂 | Elastic extension fixing device on hole of plate-shaped body |
| CN2314236Y (en) * | 1997-11-18 | 1999-04-14 | 岑东梅 | Rotary holder for lampshade of desk lamp |
| KR20020067134A (en) * | 2001-02-15 | 2002-08-22 | 현대자동차주식회사 | A conclusion structure of the reamer-bolt |
| CN2874265Y (en) * | 2005-10-27 | 2007-02-28 | 金周国 | Table lamp |
| CN101149138A (en) * | 2007-10-18 | 2008-03-26 | 隆鑫工业有限公司 | Motorcycle lamp cover assembling and connecting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101551091A (en) | 2009-10-07 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20190331 |