CN204164144U - A kind of vehicle cylinder cap anti-theft bolt - Google Patents
A kind of vehicle cylinder cap anti-theft bolt Download PDFInfo
- Publication number
- CN204164144U CN204164144U CN201420577853.7U CN201420577853U CN204164144U CN 204164144 U CN204164144 U CN 204164144U CN 201420577853 U CN201420577853 U CN 201420577853U CN 204164144 U CN204164144 U CN 204164144U
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- groove
- rectangular
- draw
- nut body
- pilferproof closure
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Abstract
The utility model discloses a kind of vehicle cylinder cap anti-theft bolt, comprise bolt shank and the nut being fixedly mounted on bolt shank afterbody, nut comprises nut body and pilferproof closure, nut body is threaded with pilferproof closure, pilferproof closure upper-end surface is curved, whole nut ovalize after nut body and pilferproof closure screw-thread fit, pilferproof closure side is provided with several attachment holes, and nut body arranges rectangular recess in the middle part of upper-end surface; Bolt shank side edge longitudinal is provided with the rectangular draw-in groove in longitudinal section, nut body be positioned at described draw-in groove directly over position offer rectangular indexing holes, the position-limited lever that longitudinal section is rectangular is plugged with in rectangular indexing holes, position-limited lever lower end coordinates with draw-in groove grafting through after rectangular indexing holes, and the width of rectangular indexing holes is greater than the width of draw-in groove, the width of position-limited lever is greater than the width of draw-in groove.Technique scheme, structure is simple, low cost of manufacture, mounting or dismounting are convenient, only have and could dismantle with special tool, can effectively prevent automobile cylinder stolen or destroyed.
Description
Technical field
The utility model relates to technical field of automobile parts, is specifically related to a kind of vehicle cylinder cap anti-theft bolt.
Background technique
At present, each constituent elements of automobile occurs stolen stolen often, once the parts of automobile are stolen, inherently bring many troubles to car owner, particularly particularly important on automobile cylinder, for the power plant of automobile, if the cylinder of automobile is disassembled stolen or destroyed, huge loss will be caused to automobile.Existing vehicle cylinder cap anti-theft bolt complex structure, manufacture cost is high, and assembly and disassembly operations is complicated.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of structure is simple, low cost of manufacture, mounting or dismounting are convenient, only have and could dismantle with special tool, the vehicle cylinder cap anti-theft bolt that can effectively prevent automobile cylinder stolen or destroyed.
For achieving the above object, the utility model provides following technological scheme: a kind of vehicle cylinder cap anti-theft bolt, comprise bolt shank and the nut being fixedly mounted on bolt shank afterbody, described nut comprises nut body and pilferproof closure, described nut body is threaded with pilferproof closure, and pilferproof closure upper-end surface is curved, whole nut ovalize after described nut body and pilferproof closure screw-thread fit, described pilferproof closure side is provided with several attachment holes, arranges rectangular recess in the middle part of described nut body upper-end surface; Described bolt shank side edge longitudinal is provided with the rectangular draw-in groove in longitudinal section, described nut body be positioned at described draw-in groove directly over position offer rectangular indexing holes, the position-limited lever that longitudinal section is rectangular is plugged with in described rectangular indexing holes, described position-limited lever lower end coordinates with draw-in groove grafting through after rectangular indexing holes, and the width of rectangular indexing holes is greater than the width of draw-in groove, the width of described position-limited lever is greater than the width of draw-in groove.
By adopting technique scheme, nut structure arranges rationally, the curved structure in the surface of whole nut after arc pilferproof closure is set, general tool cannot be fixed, and slightly firmly will skid, and the position-limited lever in draw-in groove can limit bolt shank rotation, play locking and anti-theft double function, only holding specialized opener could disassemble anti-theft automotive cylinder head bolt, and adopts other instruments to open it, anti-theft is good, and structure is simple, low cost of manufacture, easy to use.
The utility model is set to further: described bolt shank head is provided with locking portion, is provided with annular groove, is socketed with rubber shock-absorbing circle in described annular groove in the middle part of described locking portion.By this setting, rubber shock-absorbing circle is arranged rationally, makes bolt fixing more reliable.
The utility model is also set to further: described nut body upper-end surface integral middle is provided with connection projection, described connection projection side is provided with outside thread, be provided with in the middle part of described pilferproof closure and the connecting groove being connected projection and mating, described connecting groove internal face be provided with the internal thread mated with the outside thread being connected projection side.By this setting, nut body and pilferproof closure vibrational power flow are rationally, easy to connect, fixing reliable, low cost of manufacture.
The utility model is also set to further: described nut body is positioned at rectangular indexing holes upper end position and is provided with restraining groove, and described restraining groove is communicated with rectangular indexing holes, and restraining groove and rectangular indexing holes longitudinal section are in falling " L " character form structure.By this setting, restraining groove arranges rationally, can play position-limiting action to position-limited lever.
The utility model is also set to further: described position-limited lever upper end bending 90 °, and position-limited lever bending part and described restraining groove snap-fit engagement.By this setting, position-limited lever vibrational power flow is reasonable, and location is reliable.
The utility model has the advantages that: compared with prior art, the utility model vibrational power flow is reasonable, nut structure arranges rationally, the curved structure in the surface of whole nut after arc pilferproof closure is set, general tool cannot be fixed, slightly firmly will skid, and the position-limited lever in draw-in groove can limit bolt shank rotation, play locking and anti-theft double function, only hold specialized opener anti-theft automotive cylinder head bolt to be disassembled, and adopting other instruments to open it, anti-theft is good, and structure is simple, low cost of manufacture, easy to use.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
See Fig. 1, a kind of vehicle cylinder cap anti-theft bolt disclosed in the utility model, comprise bolt shank 1 and the nut 2 being fixedly mounted on bolt shank 1 afterbody, described nut 2 comprises nut body 21 and pilferproof closure 22, described nut body 21 is threaded with pilferproof closure 22, and pilferproof closure 22 upper-end surface is curved, whole nut 2 ovalize after described nut body 21 and pilferproof closure 22 screw-thread fit, described pilferproof closure 22 side is provided with several attachment holes 221, arranges rectangular recess 211 in the middle part of described nut body 21 upper-end surface; Described bolt shank 1 side edge longitudinal is provided with the rectangular draw-in groove in longitudinal section 11, described nut body 21 be positioned at described draw-in groove 11 directly over position offer rectangular indexing holes 212, the rectangular position-limited lever in longitudinal section 3 is plugged with in described rectangular indexing holes 212, described position-limited lever 3 lower end coordinates with draw-in groove 11 grafting through after rectangular indexing holes 212, and the width of rectangular indexing holes 212 is greater than the width of draw-in groove 11, the width of described position-limited lever 3 is greater than the width of draw-in groove 11.As preferably, described position-limited lever 3 3-5mm wider than draw-in groove 11.
Described attachment hole 221 can be arranged arbitrarily according to actual needs, evenly can arrange along pilferproof closure 22 side; Described nut 2 is threaded with bolt shank 1 or is wholely set with bolt shank 1.
For making the utility model structure more reasonable, as preferably, described in the present embodiment, bolt shank 1 head is provided with locking portion 12, is provided with annular groove 121, is socketed with rubber shock-absorbing circle 4 in described annular groove 121 in the middle part of described locking portion 12.
Described nut body 21 upper-end surface integral middle is provided with and connects projection 213, described connection projection 213 side is provided with outside thread, be provided with in the middle part of described pilferproof closure 22 and the connecting groove 214 being connected projection 213 and mating, described connecting groove 214 internal face be provided with the internal thread mated with the outside thread being connected projection 213 side.
Described nut body 21 is positioned at rectangular indexing holes 212 upper end position and is provided with restraining groove 215, and described restraining groove 215 is communicated with rectangular indexing holes 212, and restraining groove 215 forms down " L " character form structure together with rectangular indexing holes 212 longitudinal section.Described position-limited lever 3 upper end bending 90 °, and position-limited lever 3 bending part and described restraining groove 215 snap-fit engagement.
The utility model vibrational power flow is reasonable, nut structure arranges rationally, the curved structure in the surface of whole nut after arc pilferproof closure is set, general tool cannot be fixed, and slightly firmly will skid, and the position-limited lever in draw-in groove can limit bolt shank rotation, play locking and anti-theft double function, only holding specialized opener could disassemble anti-theft automotive cylinder head bolt, and adopts other instruments to open it, anti-theft is good, and structure is simple, low cost of manufacture, easy to use.
During actual demounting bolt, first use specialized opener to insert in attachment hole, by under pilferproof closure dismounting, then take out position-limited lever, more just can by under bolt shank dismounting by rotating in screw-driver or specialized opener insertion rectangular recess 211, assembly and disassembly operations is convenient.
Above-described embodiment is to specific descriptions of the present utility model; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician of related domain makes some nonessential improvement according to the content of above-mentioned model utility to the utility model and adjustment all falls within protection domain of the present utility model.
Claims (5)
1. a vehicle cylinder cap anti-theft bolt, comprise bolt shank (1) and be fixedly mounted on the nut (2) of bolt shank (1) afterbody, it is characterized in that: described nut (2) comprises nut body (21) and pilferproof closure (22), described nut body (21) is threaded with pilferproof closure (22), and pilferproof closure (22) upper-end surface is curved, whole nut (2) ovalize after described nut body (21) and pilferproof closure (22) screw-thread fit, described pilferproof closure (22) side is provided with several attachment holes (221), rectangular recess (211) is set in the middle part of described nut body (21) upper-end surface, described bolt shank (1) side edge longitudinal is provided with the rectangular draw-in groove in longitudinal section (11), described nut body (21) is positioned at position directly over described draw-in groove (11) and offers rectangular indexing holes (212), the rectangular position-limited lever in longitudinal section (3) is plugged with in described rectangular indexing holes (212), described position-limited lever (3) lower end coordinates with draw-in groove (11) grafting afterwards through rectangular indexing holes (212), and the width of rectangular indexing holes (212) is greater than the width of draw-in groove (11), the width of described position-limited lever (3) is greater than the width of draw-in groove (11).
2. a kind of vehicle cylinder cap anti-theft bolt according to claim 1, it is characterized in that: described bolt shank (1) head is provided with locking portion (12), described locking portion (12) middle part is provided with annular groove (121), is socketed with rubber shock-absorbing circle (4) in described annular groove (121).
3. a kind of vehicle cylinder cap anti-theft bolt according to claim 1 and 2, it is characterized in that: described nut body (21) upper-end surface integral middle is provided with and connects projection (213), described connection projection (213) side is provided with outside thread, described pilferproof closure (22) middle part is provided with and the connecting groove (214) being connected projection (213) and mating, and described connecting groove (214) internal face is provided with the internal thread mated with the outside thread being connected projection (213) side.
4. a kind of vehicle cylinder cap anti-theft bolt according to claim 3, it is characterized in that: described nut body (21) is positioned at rectangular indexing holes (212) upper end position and is provided with restraining groove (215), described restraining groove (215) is communicated with rectangular indexing holes (212), and restraining groove (215) and rectangular indexing holes (212) longitudinal section are in falling " L " character form structure.
5. a kind of vehicle cylinder cap anti-theft bolt according to claim 4, is characterized in that: described position-limited lever (3) upper end bending 90 °, and position-limited lever (3) bending part and described restraining groove (215) snap-fit engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577853.7U CN204164144U (en) | 2014-10-08 | 2014-10-08 | A kind of vehicle cylinder cap anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577853.7U CN204164144U (en) | 2014-10-08 | 2014-10-08 | A kind of vehicle cylinder cap anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204164144U true CN204164144U (en) | 2015-02-18 |
Family
ID=52537835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577853.7U Expired - Fee Related CN204164144U (en) | 2014-10-08 | 2014-10-08 | A kind of vehicle cylinder cap anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204164144U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930705A (en) * | 2018-08-27 | 2018-12-04 | 安徽西马新能源技术有限公司 | A kind of anticreep fastening automobile component |
| CN109854142A (en) * | 2019-01-04 | 2019-06-07 | 江苏急客方便信息技术有限公司 | Intelligent unlocking lavatory door |
| CN109854141A (en) * | 2019-01-04 | 2019-06-07 | 江苏急客方便信息技术有限公司 | Lavatory door theft-prevention structure and its assembly and disassembly methods |
-
2014
- 2014-10-08 CN CN201420577853.7U patent/CN204164144U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930705A (en) * | 2018-08-27 | 2018-12-04 | 安徽西马新能源技术有限公司 | A kind of anticreep fastening automobile component |
| CN109854142A (en) * | 2019-01-04 | 2019-06-07 | 江苏急客方便信息技术有限公司 | Intelligent unlocking lavatory door |
| CN109854141A (en) * | 2019-01-04 | 2019-06-07 | 江苏急客方便信息技术有限公司 | Lavatory door theft-prevention structure and its assembly and disassembly methods |
| CN109854141B (en) * | 2019-01-04 | 2023-10-20 | 江苏急客方便信息技术有限公司 | Anti-theft structure of toilet door and dismounting method thereof |
| CN109854142B (en) * | 2019-01-04 | 2023-10-24 | 江苏急客方便信息技术有限公司 | Intelligent unlocking toilet door |
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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: 20150218 Termination date: 20171008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |