CN206770358U - A kind of anti-drop bolt - Google Patents

A kind of anti-drop bolt Download PDF

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Publication number
CN206770358U
CN206770358U CN201720521325.3U CN201720521325U CN206770358U CN 206770358 U CN206770358 U CN 206770358U CN 201720521325 U CN201720521325 U CN 201720521325U CN 206770358 U CN206770358 U CN 206770358U
Authority
CN
China
Prior art keywords
bolt
shank
drop
groove
buckle
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
Application number
CN201720521325.3U
Other languages
Chinese (zh)
Inventor
翁维素
王烽
卢雅
赵佳兴
胡庆龙
郝琪
孙树夫
支宏钰
赵聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Architecture
Original Assignee
Hebei University of Architecture
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei University of Architecture filed Critical Hebei University of Architecture
Priority to CN201720521325.3U priority Critical patent/CN206770358U/en
Application granted granted Critical
Publication of CN206770358U publication Critical patent/CN206770358U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of anti-drop bolt, it is related to technical field of fastening.The utility model includes bolt head, shank of bolt, groove and anti-drop device, bolt head and shank of bolt vertical connection, external screw thread is provided with shank of bolt, groove is arranged on the end face of shank of bolt, bolt head is located at the other end of shank of bolt, anti-drop device includes buckle, is engaged by clamping with the cylindrical connecting rod snapped connection and the anti-drop head being connected with connecting rod one end, buckle with groove.The utility model is simple in construction, easy to use, by setting groove and anti-drop device, can prevent nut from coming off in use, solves the problems, such as during screw bolt and nut cooperation because vibration easily comes off.

Description

A kind of anti-drop bolt
Technical field
It the utility model is related to technical field of fastening, more particularly to a kind of anti-drop bolt.
Background technology
Bolt is a kind of conventional fastener, can be used cooperatively with nut, for by the device between bolts and nuts Part is fixedly connected, but in the case where some are vibrated, the nut on bolt can loosen, and cause to come off, to connection Structure or part have a negative impact, it is easy to accident occurs.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided it is a kind of simple in construction, Anti-drop bolt easy to use, can preventing nut from coming off in use, due to shaking when solving screw bolt and nut cooperation Visibly moved caducous problem.
Technical solution adopted in the utility model is:A kind of anti-drop bolt, including bolt head, shank of bolt, groove and The anti-drop device to be come off for the nut for preventing from being arranged on the shank of bolt, the bolt head is vertical with the shank of bolt to be connected Connect, external screw thread is provided with the shank of bolt, the groove is arranged on the end face of the shank of bolt, and the bolt head is located at The other end of the shank of bolt, the anti-drop device include buckle, with the cylindrical connecting rod snapped connection and with it is described The anti-drop head of connecting rod one end connection, the buckle are engaged by clamping with the groove.
Preferably, the groove includes hemispheric neck and the cylindrical link slot connected with the neck.
Preferably, the buckle includes bullet, and the bullet is provided with shell fragment, and the shell fragment is consolidated with the neck clamping It is fixed.
Preferably, the shell fragment is arc spring lamination.
Preferably, the quantity of the shell fragment is for four and uniform along the circumference of the bullet.
Preferably, the length of the shank of bolt is 15mm-45mm.
Compared with prior art, it is using beneficial effect caused by above-mentioned technical proposal:The letter of the utility model structure It is single, it is easy to use, by setting groove and anti-drop device, it can prevent nut from coming off in use, solve bolt and spiral shell Due to vibrating the problem of easily coming off when mother coordinates.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the stereogram of buckle in Fig. 1.
Fig. 3 is the right view of buckle in Fig. 1.
In figure:1st, bolt head;2nd, shank of bolt;3rd, groove;31st, neck;32nd, link slot;4th, anti-drop device;5th, external screw thread; 6th, buckle;61st, bullet;62nd, shell fragment;7th, connecting rod;8th, anti-drop head.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, is described in further detail to the utility model.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.
It should be noted that term " length ", " width ", " height ", " thickness ", " on ", " under ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " head ", " tail " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For to limitation of the present utility model.
It should also be noted that, unless otherwise clearly defined and limited, " installation ", " connected ", " connection ", " fixation ", Terms such as " settings " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be with It is mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen Understand concrete meaning of the above-mentioned term in the utility model according to concrete condition.
Fig. 1 to Fig. 3 is referred to, now a kind of embodiment of anti-drop bolt provided by the utility model is illustrated.One Kind anti-drop bolt, including bolt head 1, shank of bolt 2, groove 3 and the nut for preventing from being arranged on the shank of bolt 2 come off Anti-drop device 4, the bolt head 1 and the vertical connection of shank of bolt 2, be provided with external screw thread 5 on the shank of bolt 2, it is described Groove 3 is arranged on the end face of the shank of bolt 2, and the bolt head 1 is located at the other end of the shank of bolt 2, the anticreep Device 4 includes buckle 6, the cylindrical connecting rod 7 being connected with the buckle 6 and the anti-drop head being connected with described one end of connecting rod 7 8, the buckle 6 is engaged by clamping with the groove 3.
The bolt head 1 is hexagonal bolt head, in use, passing through spanner clamping bolt head 1 first so that shank of bolt 2 is twisted It is tightened to by the screwed hole in fastener, then nut is screwed on shank of bolt 2, finally sticks into the buckle 6 on anti-drop device 4 In groove 3, so it is prevented from nut and comes off in use.
Further, referring to Fig. 1, as one of embodiment provided by the utility model, the groove 3 includes Hemispheric neck 31 and the cylindrical link slot 32 connected with the neck 31.Neck 31 is arranged to hemispherical, will be connected Groove 32 is arranged to cylinder, can so form boss, can preferably play a part of strengthening connection.
Further, Fig. 1 to Fig. 3 is referred to, as one of embodiment provided by the utility model, the buckle 6 include bullet 61, and the bullet 61 is provided with shell fragment 62, and the shell fragment 62 connects and fixes with the neck 31.Shell fragment 62 can Stick into neck 31, preferably play a part of strengthening connection.
Further, referring to Fig. 2, as one of embodiment provided by the utility model, the shell fragment 62 is Arc spring lamination.The inside lateral bend of arc spring lamination, connecting rod 7 are provided with escape groove corresponding with the end of arc spring lamination.
Further, referring to Fig. 3, as one of embodiment provided by the utility model, the shell fragment 62 Quantity is for four and uniform along the circumference of the bullet 61.
Further, referring to Fig. 1, as one of embodiment provided by the utility model, the shank of bolt 2 Length is 15mm-45mm.If the long waste that can cause material of the length of shank of bolt 2, rises not if the length of shank of bolt 2 is too short To the effect of fastening, therefore the length of shank of bolt 2 is 15mm-45mm, and after tested, the length of shank of bolt 2 is 35mm best results.
After adopting the above technical scheme, caused beneficial effect is:The utility model is simple in construction, easy to use, By setting groove 3 and anti-drop device 4, can prevent nut from coming off in use, when solving screw bolt and nut cooperation by In vibration easily come off the problem of.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its design is subject to equivalent substitution or change, should all cover within the scope of protection of the utility model.

Claims (6)

  1. A kind of 1. anti-drop bolt, it is characterised in that:Including bolt head(1), shank of bolt(2), groove(3)With for preventing from setting The anti-drop device that nut on the shank of bolt (2) comes off(4), the bolt head(1)With the shank of bolt(2)Vertically connect Connect, the shank of bolt(2)On be provided with external screw thread(5), the groove(3)It is arranged on the shank of bolt(2)End face on, institute State bolt head(1)Positioned at the shank of bolt(2)The other end, the anti-drop device(4)Including buckle(6)And the buckle(6) The cylindrical connecting rod of connection(7)With with the connecting rod(7)The anti-drop head of one end connection(8), the buckle(6)With it is described recessed Groove(3)It is engaged by clamping.
  2. A kind of 2. anti-drop bolt according to claim 1, it is characterised in that:The groove(3)Including hemispheric card Groove(31)With with the neck(31)The cylindrical link slot of connection(32).
  3. A kind of 3. anti-drop bolt according to claim 2, it is characterised in that:The buckle(6)Including bullet(61), institute State bullet(61)It is provided with shell fragment(62), the shell fragment(62)With the neck(31)Connect and fix.
  4. A kind of 4. anti-drop bolt according to claim 3, it is characterised in that:The shell fragment(62)For arc spring lamination.
  5. A kind of 5. anti-drop bolt according to claim 3, it is characterised in that:The shell fragment(62)Quantity for four and Along the bullet(61)It is circumferential uniform.
  6. A kind of 6. anti-drop bolt according to claim 1, it is characterised in that:The shank of bolt(2)Length be 15mm- 45mm。
CN201720521325.3U 2017-05-11 2017-05-11 A kind of anti-drop bolt Expired - Fee Related CN206770358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720521325.3U CN206770358U (en) 2017-05-11 2017-05-11 A kind of anti-drop bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720521325.3U CN206770358U (en) 2017-05-11 2017-05-11 A kind of anti-drop bolt

Publications (1)

Publication Number Publication Date
CN206770358U true CN206770358U (en) 2017-12-19

Family

ID=60649034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720521325.3U Expired - Fee Related CN206770358U (en) 2017-05-11 2017-05-11 A kind of anti-drop bolt

Country Status (1)

Country Link
CN (1) CN206770358U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108797534A (en) * 2018-06-19 2018-11-13 华北水利水电大学 Dykes and dams surface energy dissipating combination mat
CN114458679A (en) * 2022-01-24 2022-05-10 湖北恒易汽车紧固件有限公司 Anti-drop bolt

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108797534A (en) * 2018-06-19 2018-11-13 华北水利水电大学 Dykes and dams surface energy dissipating combination mat
CN114458679A (en) * 2022-01-24 2022-05-10 湖北恒易汽车紧固件有限公司 Anti-drop bolt
CN114458679B (en) * 2022-01-24 2024-04-02 湖北恒易汽车紧固件有限公司 Anti-drop bolt

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171219

Termination date: 20180511

CF01 Termination of patent right due to non-payment of annual fee