CN114135563A - Integral anti-drop bolt structure - Google Patents

Integral anti-drop bolt structure Download PDF

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Publication number
CN114135563A
CN114135563A CN202111419301.4A CN202111419301A CN114135563A CN 114135563 A CN114135563 A CN 114135563A CN 202111419301 A CN202111419301 A CN 202111419301A CN 114135563 A CN114135563 A CN 114135563A
Authority
CN
China
Prior art keywords
connecting piece
bolt
piece
caulking groove
bolt structure
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.)
Pending
Application number
CN202111419301.4A
Other languages
Chinese (zh)
Inventor
陈晋兵
董江峰
王云飞
王赟
李旭东
于凡
王旭兰
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.)
China North Engine Research Institute Tianjin
Original Assignee
China North Engine Research Institute Tianjin
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 China North Engine Research Institute Tianjin filed Critical China North Engine Research Institute Tianjin
Priority to CN202111419301.4A priority Critical patent/CN114135563A/en
Publication of CN114135563A publication Critical patent/CN114135563A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • F16B39/26Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06Specially-shaped heads

Abstract

The invention provides an integral anti-falling bolt structure, which comprises a bolt, a connecting piece and a fixing piece, wherein a screw rod of the bolt penetrates through an insertion hole of the connecting piece and is in threaded connection with a threaded hole of the fixing piece; the outer ring of the end part of the screw rod connected with the screw cap is provided with a positioning bulge, and the diameter of the positioning bulge is larger than that of the jack; the top end of the threaded hole of the fixing piece is provided with an accommodating groove, and the positioning bulge is positioned in the accommodating groove; the joint of the positioning protrusion and the screw cap is provided with an annular caulking groove, the position of the caulking groove is opposite to that of the connecting piece, and an elastic piece is arranged in the caulking groove. This kind of integral anticreep bolt structure, during the use, can install the elastic component in the caulking groove in advance, again with protruding pressure equipment to the jack in advance of location, form whole part to realize the integrative installation of connecting piece and mounting, reduce the process of the bolt of going up repeatedly on the assembly line. Meanwhile, the elastic piece can increase the friction force between the connecting piece and the bolt, and plays the roles of fixing the positions of the connecting piece and the bolt, sealing and damping.

Description

Integral anti-drop bolt structure
Technical Field
The invention belongs to the technical field of fasteners, and particularly relates to an integral anti-falling bolt structure.
Background
Along with the process of industrialization, in order to improve the economic benefits of enterprises and reduce the operation cost of the enterprises, higher requirements are put forward on the production efficiency of products in various industries, and particularly, the action time of each process of a final assembly line is strictly controlled so as to improve the product output rate in unit time.
In the traditional general assembly process, due to the complexity and diversity of the installation parts, repeated work such as taking of connecting pieces and bolts is often required for multiple times, the production efficiency of a production line is limited, and the special procedures require multiple persons for matching assembly, so that the waste of human resources is also caused. The invention mainly aims to reduce the repeated taking of bulk bolts and the matching process of a plurality of persons, realizes the integrated assembly of simple parts on a firmware, not only can realize the one-time taking of the parts which need to be repeated originally, but also can reduce the manpower or completely realize the unmanned production operation in running water, greatly improves the production efficiency of products and simultaneously improves the overall quality level of the products.
Disclosure of Invention
In view of the above, the present invention is directed to overcome the above-mentioned defects in the prior art, and provides an integrated anti-dropping bolt structure to implement the integrated installation of the connecting member and the fixing member, and reduce the process of repeatedly installing bolts on the production line.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an integral anti-drop bolt structure comprises a bolt, a connecting piece and a fixing piece, wherein the bolt comprises a screw rod and a nut, and the screw rod penetrates through an insertion hole of the connecting piece and is in threaded connection with a threaded hole of the fixing piece;
the outer ring of the end part of the screw rod connected with the screw cap is provided with a positioning bulge, and the diameter of the positioning bulge is larger than that of the jack; the top end of the fixing piece threaded hole is provided with an accommodating groove, and the positioning bulge is positioned in the accommodating groove;
the joint of the positioning protrusion and the nut is provided with an annular caulking groove, the position of the caulking groove is opposite to that of the connecting piece, and an elastic piece is arranged in the caulking groove.
Further, the positioning protrusion is an annular protrusion.
Furthermore, the outer edge of the positioning bulge is an arc surface.
Further, the elastic piece is an annular rubber ring.
Further, the diameter of the cross section of the elastic piece is larger than the gap distance between the insertion hole and the caulking groove.
Further, the width of the caulking groove is matched with the thickness of the connecting piece.
Further, the diameter of the positioning protrusion is matched with the diameter of the accommodating groove.
Compared with the prior art, the invention has the beneficial effects that:
(1) this integral anti-disengaging bolt structure, during the use, can install the elastic component in the caulking groove in advance, press fitting in advance the location arch to the jack again, form whole part to realize the integrative installation of connecting piece and mounting, reduce the process of the bolt of going up on the assembly line repeatedly.
(2) This integral anticreep bolt structure, the setting of elastic component can increase the frictional force between connecting piece and bolt, plays fixed connection spare and bolt position to and sealed and absorbing effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of an integral anti-separation bolt structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of an integral anti-separation bolt structure according to the present invention;
fig. 3 is a schematic top view of an integral anti-separation bolt structure according to the present invention.
Description of reference numerals:
11-a screw cap; 12-a screw; 2-an elastic member; 3-a connector; 31-a jack; 4-a fixing piece; 41-a threaded hole; 42-a holding tank; 5-positioning the projection.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail below with reference to the following examples with reference to the attached drawings:
as shown in fig. 1 to 3, the present embodiment provides an integral anti-drop bolt structure, which includes a bolt, a connecting piece 3 and a fixing piece 4, wherein the bolt includes two parts, namely a screw 12 and a nut 11, the screw 12 passes through the insertion hole 31 of the connecting piece 3 and is screwed into the threaded hole 41 of the fixing piece 4; the outer ring of the end part of the screw 12 connected with the screw cap 11 is provided with a positioning bulge 5, and the diameter of the positioning bulge 5 is larger than that of the jack 31; the top end of the threaded hole 41 of the fixing piece 4 is provided with an accommodating groove 42, and the positioning bulge 5 is positioned in the accommodating groove 42; the joint of the positioning protrusion 5 and the nut 11 is provided with an annular caulking groove, the position of the caulking groove is opposite to that of the connecting piece 3, and the caulking groove is internally provided with an elastic piece 2.
The integral anti-drop bolt structure that this embodiment provided, during the use, can install elastic component 2 in the caulking groove in advance, again with protruding 5 pressure equipment of location to jack 31 in advance, form whole part to realize connecting piece 3 and mounting 4's integrative installation, reduce the process of the repeated bolt of going up on the assembly line. Meanwhile, the elastic piece 2 is arranged, so that the friction force between the connecting piece 3 and the bolt can be increased, and the functions of fixing the connecting piece 3 and the bolt position, sealing and damping are achieved.
Specifically, in this embodiment, the positioning protrusion 5 may be formed by rolling or upsetting or other processes, and is an annular protrusion, which may play a role in preventing the bolt and the elastic member 2 from being released from the insertion hole 31. Meanwhile, the outer edge of the positioning protrusion 5 is a circular arc surface to ensure that the positioning protrusion can smoothly pass through the insertion hole 31 of the connecting piece 3.
Further, in the present embodiment, the elastic member 2 may be a common annular rubber ring, and the elastic member 2 is used for fixing the position of the connecting member 3 and playing a role in sealing and damping; and preferably, the diameter of the cross section of the elastic element 2 is larger than the gap distance between the insertion hole 31 and the caulking groove, so as to further increase the friction force between the elastic element and the caulking groove and between the elastic element and the connecting element 3, and to a certain extent, the relative rotation between the bolt and the connecting element 3 is avoided.
Further, in the present embodiment, the width of the caulking groove matches the thickness of the connecting member 3, and stabilizes the positions of the connecting member 3 and the bolt; meanwhile, the diameter of the positioning protrusion 5 is matched with that of the accommodating groove 42, so that the positioning protrusion 5 is prevented from shaking in the accommodating groove 42.
Further, in the present embodiment, the connecting member 3 may be a thin-walled structure or other complex parts suitable for application; the thread standard of the bolt can be an improved design structure with any one type of specification used in the industrial industry at the present stage, and the applicability meets the requirement of a mounting structure; the connecting piece 3 and the fixing piece 4 are not limited to the industrial products required by the patent, and can be widely suitable for the manufacturing and production industries needing to improve the assembly line efficiency or shorten the installation process.
Note: the fixing means not explicitly described herein may be a common fixing means such as a screw connection, an adhesive, or a welding, as required.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The integral anti-drop bolt structure is characterized by comprising a bolt, a connecting piece (3) and a fixing piece (4), wherein the bolt comprises a screw rod (12) and a nut (11), the screw rod (12) penetrates through an insertion hole (31) of the connecting piece (3) and is screwed in a threaded hole (41) of the fixing piece (4);
the outer ring of the end part of the screw rod (12) connected with the screw cap (11) is provided with a positioning bulge (5), and the diameter of the positioning bulge (5) is larger than that of the insertion hole (31); an accommodating groove (42) is formed in the top end of the threaded hole (41) of the fixing piece (4), and the positioning protrusion (5) is located in the accommodating groove (42);
the joint of the positioning protrusion (5) and the nut (11) is provided with an annular caulking groove, the position of the caulking groove is opposite to that of the connecting piece (3), and an elastic piece (2) is arranged in the caulking groove.
2. The integral type anti-drop bolt structure according to claim 1, characterized in that: the positioning bulge (5) is an annular bulge.
3. The integral type anti-drop bolt structure according to claim 1, characterized in that: the outer edge of the positioning bulge (5) is an arc surface.
4. The integral type anti-drop bolt structure according to claim 1, characterized in that: the elastic piece (2) is an annular rubber ring.
5. The integral type anti-drop bolt structure according to claim 1, characterized in that: the diameter of the section of the elastic piece (2) is larger than the gap distance between the insertion hole (31) and the caulking groove.
6. The integral type anti-drop bolt structure according to claim 1, characterized in that: the width of the caulking groove is matched with the thickness of the connecting piece (3).
7. The integral type anti-drop bolt structure according to claim 1, characterized in that: the diameter of the positioning bulge (5) is matched with that of the accommodating groove (42).
CN202111419301.4A 2021-11-26 2021-11-26 Integral anti-drop bolt structure Pending CN114135563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111419301.4A CN114135563A (en) 2021-11-26 2021-11-26 Integral anti-drop bolt structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111419301.4A CN114135563A (en) 2021-11-26 2021-11-26 Integral anti-drop bolt structure

Publications (1)

Publication Number Publication Date
CN114135563A true CN114135563A (en) 2022-03-04

Family

ID=80388451

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111419301.4A Pending CN114135563A (en) 2021-11-26 2021-11-26 Integral anti-drop bolt structure

Country Status (1)

Country Link
CN (1) CN114135563A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000136816A (en) * 1998-11-02 2000-05-16 Hitachi Chem Co Ltd Fastening auxiliary part, object, object with fastening auxiliary part, and fastening method for object
CN1851274A (en) * 2006-05-22 2006-10-25 钟伟杰 Hidden plate connecting device
CN207975114U (en) * 2018-03-27 2018-10-16 苏州航太机械科技有限公司 A kind of fastener with anti-drop function
CN108930703A (en) * 2018-09-30 2018-12-04 重庆长安汽车股份有限公司 A kind of studs type suspension installation structure
CN209494817U (en) * 2018-12-25 2019-10-15 天津市天龙得冷成型部件有限公司 A kind of bar shaped pressing-riveting bolt
CN209621818U (en) * 2019-01-25 2019-11-12 浙江盘毂动力科技有限公司 Fastening assembly, automobile connection structure
US20200011365A1 (en) * 2017-05-30 2020-01-09 Aoyama Seisakusho Co., Ltd. Staking bolt

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000136816A (en) * 1998-11-02 2000-05-16 Hitachi Chem Co Ltd Fastening auxiliary part, object, object with fastening auxiliary part, and fastening method for object
CN1851274A (en) * 2006-05-22 2006-10-25 钟伟杰 Hidden plate connecting device
US20200011365A1 (en) * 2017-05-30 2020-01-09 Aoyama Seisakusho Co., Ltd. Staking bolt
CN207975114U (en) * 2018-03-27 2018-10-16 苏州航太机械科技有限公司 A kind of fastener with anti-drop function
CN108930703A (en) * 2018-09-30 2018-12-04 重庆长安汽车股份有限公司 A kind of studs type suspension installation structure
CN209494817U (en) * 2018-12-25 2019-10-15 天津市天龙得冷成型部件有限公司 A kind of bar shaped pressing-riveting bolt
CN209621818U (en) * 2019-01-25 2019-11-12 浙江盘毂动力科技有限公司 Fastening assembly, automobile connection structure

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