CN204239426U - A kind of flange bolt of locking shell fragment - Google Patents
A kind of flange bolt of locking shell fragment Download PDFInfo
- Publication number
- CN204239426U CN204239426U CN201420621173.0U CN201420621173U CN204239426U CN 204239426 U CN204239426 U CN 204239426U CN 201420621173 U CN201420621173 U CN 201420621173U CN 204239426 U CN204239426 U CN 204239426U
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- CN
- China
- Prior art keywords
- shell fragment
- head
- polished rod
- thread section
- section
- 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 utility model discloses a kind of flange bolt of locking shell fragment, aim to provide a kind of flange bolt of locking shell fragment, can not only effectively solve bolt to rock in through-holes, the problem of vibration, and 360 ° of circumference protections can be realized, vibration-isolating effect is better, it is more thorough to protect, its drip irrigation device comprises head and screw rod, the end of described screw rod is provided with for the thread section with nut screw connection, polished rod section is provided with between described thread section and head, screw rod is provided with the shell fragment for preventing from rocking in tapped hole, it is characterized in that: described shell fragment is the circular ring arranged with described screw coaxial, and be provided with annular groove between described thread section and polished rod section, one end of described shell fragment is welded in described annular groove, the other end of shell fragment is between head and thread section, the inside and outside footpath of described shell fragment to increase and opening-like all gradually from one end to the cephalad direction near thread section, and the utility model is applicable to the flange bolt of locking shell fragment.
Description
Technical field
The utility model relates to a kind of mechanical fastener manufacturing technology field, and more particularly, it relates to a kind of flange bolt of locking shell fragment.
Background technique
Bolt is by head and a screw rod class link dimerous, screw rod is with externally threaded cylindrical structure, need and nut screw connection, for being fastenedly connected two parts with through hole, this Connecting format is called that bolt connects, nut is screwed off from bolt, can make again these two parts separately, therefore bolt connection belongs to removably connect.
The head of bolt has hexagon, circle, the structure such as square, wherein hexagon head is the most common, existing bolt is when through longer, larger through hole, owing to having space between through hole and bolt, cause bolt can rock among through hole, particularly in case of mechanical vibrations, be easy to cause loosening of nut and bolt, thus bring certain potential safety hazard.
For this reason, notification number is that the Chinese patent of CN203081977U discloses a kind of hexagon head bolt, screw connector, the nut that it comprises bolt, coordinates with bolt, described bolt comprises bolt head and screw rod, the end of described screw rod is provided with the screw thread with nut screw connection, on described screw rod, cover has ring set, described ring set is equipped with at least two shell fragments.Described shell fragment adopts two, and symmetrical ring is located on ring set.The outer wall of described screw rod is equipped with the blend stop of at least one gear T-Ring cover.Described blend stop adopts three, and uniform ring is located at the outer wall of screw rod.On described screw rod, cover has the packing ring being abutted against bolt head.
Although this hexagon head bolt, screw connector can solve the problem that bolt rocks in through-holes effectively, nut and bolt not easily loosen, Safety performance is high, but, this hexagon head bolt structure is too simple, and the structure piling setting only can cushion rocking or vibration problem in a plane, extremely has narrow limitation.
Model utility content
For the deficiency that prior art exists; the purpose of this utility model is the flange bolt providing a kind of locking shell fragment, effectively can not only solve the problem that bolt rocks in through-holes, vibrates, and can realize 360 ° of circumference protections; vibration-isolating effect is better, and it is more thorough to protect.
For achieving the above object, the utility model provides following technological scheme: a kind of flange bolt of locking shell fragment, comprise head and screw rod, the end of described screw rod is provided with for the thread section with nut screw connection, polished rod section is provided with between described thread section and head, screw rod is provided with the shell fragment for preventing from rocking in tapped hole, described shell fragment is the circular ring arranged with described screw coaxial, and be provided with annular groove between described thread section and polished rod section, one end of described shell fragment is welded in described annular groove, the other end of shell fragment is between head and thread section,
The inside and outside footpath of described shell fragment to increase and opening-like all gradually from one end to the cephalad direction near thread section.
By adopting technique scheme, when bolton is in through hole, shell fragment expands to strut and fixes in screw, bolt then can not be mobile to screw outside easily, also radial rocking cannot be done easily, ensure that the axis of bolt and radial steadiness simultaneously, thus reach the effect preventing screw from getting loose, play the problem effectively solving bolt and rock in through-holes, vibrate, and the documents compared in background technique, can realize 360 ° of circumference protections, vibration-isolating effect is better, and it is more thorough to protect;
Wherein, welding ensure that the stable connection of described shell fragment, and the inside and outside footpath of shell fragment to increase and opening-like all gradually from one end to the cephalad direction near thread section, is to enable described bolt when through hole enters, convenient, laborsaving, and this structure does not affect the normal usage function of shell fragment.
The utility model is set to further: one end of described shell fragment opposing headers is provided with at least two U-shaped openings, and described two U-shaped openings are symmetrically distributed in screw rod both sides centered by screw axis.
By adopting technique scheme; the setting of two U-shaped openings; make described flexible expansion, expansion, and stressed after compression, deformation all reserved space, play the effect that protection shell fragment is not damaged; simultaneously; under the elastic strength that self can also have at the material of shell fragment, improve the elastic performance of described shell fragment further, during use; have more flexibility ratio and toughness, field of load is large.
The utility model is set to further: described polished rod section comprises and coaxially arranges the first polished rod portion, tapered portion and the second polished rod portion successively from thread section to cephalad direction, described tapered portion is frustoconic shape structure, and the upper base of tapered portion with go to the bottom respectively towards thread section and head, the diameter in the first polished rod portion is identical with the upper base of tapered portion, and the diameter in the second polished rod portion is identical with going to the bottom of tapered portion.
One end of described shell fragment opposing headers is positioned at the first place of polished rod portion.
By adopt technique scheme, the setting of tapered portion, make described bolt insert mounting hole time more convenient, meanwhile, the second polished rod portion is used for conflicting with hole wall, coordinates described shell fragment, one is played positioning action, and one is played buffering, reset response, makes described bolt practicability stronger;
The less through hole in some apertures is penetrated at described bolt, shell fragment is squeezed, during deformation, the position at the first place, polished rod portion can be retracted to, prevent because aperture is too small, when particularly aperture is less than the diameter at described shell fragment this place after conflict polished rod section, bolt then can be caused to penetrate or shell fragment is stuck between polished rod section and hole wall, hole wall or shell fragment self is caused to wear and tear everywhere, lose cushioning effect simultaneously, therefore, these problems completely solve by above-mentioned setting, structure is simple, easy to process, the practicability of the described bolt of further raising, using scope is avoided too to limit to.
The utility model is set to further: described head is hex head bolt head, and one end of the relative screw rod of described head is provided with flange plate.
By adopting technique scheme; hex head bolt head is easy to use, installation; can to its use instrument varied, as open-end wrench, adjustable spanner etc., and head relative to the flange plate of one end of screw rod can protect the through hole of fastener injury-free and destroy.
The utility model is set to further: the described shell fragment position be embedded in described annular groove is linkage section, the cylindrical structure of described linkage section, and the outer wall of linkage section is provided with for strengthening the fixing positioning threads of described shell fragment, described positioning threads is integrally formed machine shaping with the screw thread on thread section.
By adopting technique scheme, can in Long-Time Service process, or when maintenance, just in case occur that the weld of described shell fragment produces to loosen, when affect using effect, the little nut of external diameter can be utilized to be spun between thread section and positioning threads, the occlusion of using between screw thread realizes radial etc. multiple of axial volume and fixes, avoid the operation of complexity such as changing bolt or again weld, simply, practical, economize on resources, avoid the waste of bolt;
In addition, the one machine shaping that the screw thread on described positioning threads and thread section is formed, then can make that nut is smooth must be threaded to positioning threads from thread section.
The utility model is set to further: the surface in described first polished rod portion is provided with screw thread, and described first polished rod portion is threaded flexible adjusting nut, and tapered of the outer wall of described flexible adjustment nut also touches with the contacted inner surfaces of described shell fragment.
By adopting technique scheme, can utilize described flexible adjustment nut in the first polished rod portion, what utilize screw thread to produce by rotation moves axially structure, when using, installing, run into aperture when being greater than the structure of described shell fragment, by flexible adjustment nut rotation direction thread section direction, make the internal surface of its shell fragment of conflicting, support the opening of large described shell fragment, thus make it mate and empty inwall of can conflicting, play effect and the effect of buffering, using scope wide, the size after production is not limited to specific aperture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flange bolt embodiment of the utility model locking shell fragment.
Reference character: 1, head; 11, flange plate; 2, screw rod; 21, thread section; 22, annular slotted; 3, polished rod section; 31, the first polished rod portion; 32, tapered portion; 33, the second polished rod portion; 4, shell fragment; 41, U-shaped opening; 42, positioning threads; 43, adjusting nut.
Embodiment
Be described further with reference to the flange bolt embodiment of Fig. 1 to the utility model locking shell fragment.
As shown in Figure 1, a kind of flange bolt of locking shell fragment 4, comprise head 1 and screw rod 2, the end of described screw rod 2 is provided with for the thread section 21 with nut screw connection, polished rod section 3 is provided with between described thread section 21 and head 1, screw rod 2 is provided with the shell fragment 4 for preventing from rocking in tapped hole, described shell fragment 4 is in the circular ring that arrange coaxial with described screw rod 2, and be provided with annular groove between described thread section 21 and polished rod section 3, one end of described shell fragment 4 is welded in described annular groove, and the other end of shell fragment 4 is between head 1 and thread section 21;
The inside and outside footpath of described shell fragment 4 increases all gradually from one end to head 1 direction near thread section 21 and opening-like.
When bolton is in through hole, shell fragment 4 expands to strut and fixes in screw, bolt then can not be mobile to screw outside easily, also cannot do radial rocking easily, ensure that the axis of bolt and radial steadiness simultaneously, thus reach the effect preventing screw from getting loose, play the problem effectively solving bolt and rock in through-holes, vibrate, and compare the documents in background technique, 360 ° of circumference protections can be realized, vibration-isolating effect is better, and it is more thorough to protect;
Wherein, welding ensure that the stable connection of described shell fragment 4, the inside and outside footpath of shell fragment 4 increases all gradually from one end to head 1 direction near thread section 21 and opening-like, to enable described bolt when through hole enters, convenient, laborsaving, and this structure does not affect the normal usage function of shell fragment 4.
One end of described shell fragment 4 opposing headers 1 is provided with at least two U-shaped openings 41, and described two U-shaped openings 41 are symmetrically distributed in screw rod 2 both sides centered by screw rod 2 axis.
The setting of two U-shaped openings 41; make described flexible expansion, expansion; and stressed after compression, deformation all reserved space; play the effect that protection shell fragment 4 is not damaged, meanwhile, under the elastic strength that self can also have at the material of shell fragment 4; the elastic performance of the described shell fragment 4 of further raising; during use, have more flexibility ratio and toughness, field of load is large.
Described polished rod section 3 comprises and coaxially arranges the first polished rod portion 31, tapered portion 32 and the second polished rod portion 33 successively from thread section 21 to head 1 direction, described tapered portion 32 is in frustoconic shape structure, and the upper base of tapered portion 32 with go to the bottom respectively towards thread section 21 and head 1, the diameter in the first polished rod portion 31 is identical with the upper base of tapered portion 32, and the diameter in the second polished rod portion 33 is identical with going to the bottom of tapered portion 32.
One end of described shell fragment 4 opposing headers 1 is positioned at the first place of polished rod portion 31.
The setting of tapered portion 32, make described bolt insert mounting hole time more convenient, meanwhile, the second polished rod portion 33 is for conflicting with hole wall, and coordinate 4, one, described shell fragment to play positioning action, one is played buffering, reset response, makes described bolt practicability stronger;
The less through hole in some apertures is penetrated at described bolt, shell fragment 4 is squeezed, during deformation, the position at the first place, polished rod portion 31 can be retracted to, prevent because aperture is too small, when particularly aperture is less than the diameter at described shell fragment 4 this place after conflict polished rod section 3, bolt then can be caused to penetrate or shell fragment 4 is stuck between polished rod section 3 and hole wall, hole wall or shell fragment 4 is caused self to wear and tear everywhere, lose cushioning effect simultaneously, therefore, these problems completely solve by above-mentioned setting, structure is simple, easy to process, the practicability of the described bolt of further raising, using scope is avoided too to limit to.
Described head 1 is hex head bolt head, and one end of the relative screw rod 2 of described head 1 is provided with flange plate 11.
Hex head bolt head is easy to use, install, and the instrument that can use it is varied, and as open-end wrench, adjustable spanner etc., and the flange plate 11 of head 1 one end of screw rod 2 relatively can protect the through hole of fastener injury-free and destroy.
Described shell fragment 4 position be embedded in described annular groove is linkage section, the cylindrical structure of described linkage section, and the outer wall of linkage section is provided with for strengthening the fixing positioning threads 42 of described shell fragment 4, described positioning threads 42 is integrally formed machine shaping with the screw thread on thread section 21.
Can in Long-Time Service process, or when maintenance, just in case occur that the weld of described shell fragment 4 produces to loosen, when affecting using effect, the little nut of external diameter can be utilized to be spun between thread section 21 and positioning threads 42, the occlusion of using between screw thread realizes the multiple fixing of axial volume radial direction etc., avoid the operation of complexity such as changing bolt or again weld, simply, practical, economize on resources, the waste avoiding bolt (it should be noted that herein, the GB nut that required nut preferred dimension in the present embodiment is suitable, external diameter is less than by the aperture of the through hole worn, for prior art, the present embodiment repeats no more, do not remake accompanying drawing to illustrate) yet,
In addition, the one machine shaping that described positioning threads 42 is formed with the screw thread on thread section 21, then can make that nut is smooth must be threaded to positioning threads 42 from thread section 21.
The surface in described first polished rod portion 31 is provided with screw thread, described first polished rod portion 31 is threaded flexible adjusting nut 43, tapered of the outer wall of described flexible adjustment nut 43 touching with the contacted inner surfaces of described shell fragment 4 (it should be noted that herein, the thread size of the adjusting nut 43 in the present embodiment uses according to national regulations, and outer wall can according to the required size such as concrete application conditions and regulation range, carry out polishing with the nut emery wheel of standard, too high precision and surface roughness is not needed yet, can be easy to use).
Can utilize described flexible adjustment nut 43 in the first polished rod portion 31, what utilize screw thread to produce by rotation moves axially structure, when using, installing, run into aperture when being greater than the structure of described shell fragment 4, by flexible adjustment nut 43 rotation direction thread section 21 direction, make the internal surface of its shell fragment 4 of conflicting, support the opening of large described shell fragment 4, thus make it mate and empty inwall of can conflicting, play effect and the effect of buffering, using scope wide, the size after production is not limited to specific aperture.
The above makes preferred implementation of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (7)
1. the flange bolt of a locking shell fragment, comprise head and screw rod, the end of described screw rod is provided with for the thread section with nut screw connection, polished rod section is provided with between described thread section and head, screw rod is provided with the shell fragment for preventing from rocking in tapped hole, it is characterized in that: described shell fragment is the circular ring arranged with described screw coaxial, and be provided with annular groove between described thread section and polished rod section, one end of described shell fragment is welded in described annular groove, and the other end of shell fragment is between head and thread section;
The inside and outside footpath of described shell fragment to increase and opening-like all gradually from one end to the cephalad direction near thread section.
2. the flange bolt of locking shell fragment according to claim 1, is characterized in that: one end of described shell fragment opposing headers is provided with at least two U-shaped openings, and described two U-shaped openings are symmetrically distributed in screw rod both sides centered by screw axis.
3. the flange bolt of locking shell fragment according to claim 1 and 2, it is characterized in that: described polished rod section comprises and coaxially arranges the first polished rod portion, tapered portion and the second polished rod portion successively from thread section to cephalad direction, described tapered portion is frustoconic shape structure, and the upper base of tapered portion with go to the bottom respectively towards thread section and head, the diameter in the first polished rod portion is identical with the upper base of tapered portion, and the diameter in the second polished rod portion is identical with going to the bottom of tapered portion.
4. the flange bolt of locking shell fragment according to claim 3, is characterized in that: one end of described shell fragment opposing headers is positioned at the first place of polished rod portion.
5. the flange bolt of locking shell fragment according to claim 1 and 2, is characterized in that: described head is hex head bolt head, and one end of the relative screw rod of described head is provided with flange plate.
6. the flange bolt of locking shell fragment according to claim 1 and 2, it is characterized in that: the described shell fragment position be embedded in described annular groove is linkage section, the cylindrical structure of described linkage section, and the outer wall of linkage section is provided with for strengthening the fixing positioning threads of described shell fragment, described positioning threads is integrally formed machine shaping with the screw thread on thread section.
7. the flange bolt of locking shell fragment according to claim 3, it is characterized in that: the surface in described first polished rod portion is provided with screw thread, described first polished rod portion is threaded flexible adjusting nut, and tapered of the outer wall of described flexible adjustment nut also touches with the contacted inner surfaces of described shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420621173.0U CN204239426U (en) | 2014-01-26 | 2014-10-24 | A kind of flange bolt of locking shell fragment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047322 | 2014-01-26 | ||
| CN2014200473227 | 2014-01-26 | ||
| CN201420621173.0U CN204239426U (en) | 2014-01-26 | 2014-10-24 | A kind of flange bolt of locking shell fragment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239426U true CN204239426U (en) | 2015-04-01 |
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ID=52768926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420621173.0U Expired - Fee Related CN204239426U (en) | 2014-01-26 | 2014-10-24 | A kind of flange bolt of locking shell fragment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239426U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103973A (en) * | 2017-05-27 | 2017-08-29 | 广东福德电子有限公司 | A kind of wire wound resistor |
| CN109372847A (en) * | 2018-12-06 | 2019-02-22 | 康为同创集团有限公司 | A kind of fixing means of fixed device and flange and bellows |
| CN110601654A (en) * | 2019-09-10 | 2019-12-20 | 济宁医学院 | Space solar power station panel structure |
| CN111013520A (en) * | 2019-12-23 | 2020-04-17 | 高立文 | Preparation process of solid lactic acid |
| CN112503082A (en) * | 2020-12-19 | 2021-03-16 | 海盐远洋标准件有限公司 | Flange bolt with locking elastic sheet |
-
2014
- 2014-10-24 CN CN201420621173.0U patent/CN204239426U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103973A (en) * | 2017-05-27 | 2017-08-29 | 广东福德电子有限公司 | A kind of wire wound resistor |
| CN107103973B (en) * | 2017-05-27 | 2023-07-21 | 广东福德电子有限公司 | Wire winding resistor |
| CN109372847A (en) * | 2018-12-06 | 2019-02-22 | 康为同创集团有限公司 | A kind of fixing means of fixed device and flange and bellows |
| CN109372847B (en) * | 2018-12-06 | 2023-08-25 | 康为同创集团有限公司 | Fixing device and fixing method of flange and corrugated pipe |
| CN110601654A (en) * | 2019-09-10 | 2019-12-20 | 济宁医学院 | Space solar power station panel structure |
| CN110601654B (en) * | 2019-09-10 | 2020-06-09 | 济宁医学院 | Space solar power station panel structure |
| CN111013520A (en) * | 2019-12-23 | 2020-04-17 | 高立文 | Preparation process of solid lactic acid |
| CN111013520B (en) * | 2019-12-23 | 2022-04-05 | 重庆市天友乳业股份有限公司 | Preparation process of solid lactic acid |
| CN112503082A (en) * | 2020-12-19 | 2021-03-16 | 海盐远洋标准件有限公司 | Flange bolt with locking elastic sheet |
| CN112503082B (en) * | 2020-12-19 | 2024-05-14 | 海盐远洋标准件有限公司 | Flange bolt with locking elastic piece |
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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: 20150401 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |