CN110630612A - Novel bolt with built-in anti-loosening effect and elastic pad - Google Patents

Novel bolt with built-in anti-loosening effect and elastic pad Download PDF

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Publication number
CN110630612A
CN110630612A CN201910980712.7A CN201910980712A CN110630612A CN 110630612 A CN110630612 A CN 110630612A CN 201910980712 A CN201910980712 A CN 201910980712A CN 110630612 A CN110630612 A CN 110630612A
Authority
CN
China
Prior art keywords
screw head
inner screw
spring washer
built
head
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
CN201910980712.7A
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Chinese (zh)
Inventor
张华�
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.)
Jiaxing Han Qi Auto Parts Technology Co Ltd
Original Assignee
Jiaxing Han Qi Auto Parts Technology Co Ltd
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 Jiaxing Han Qi Auto Parts Technology Co Ltd filed Critical Jiaxing Han Qi Auto Parts Technology Co Ltd
Priority to CN201910980712.7A priority Critical patent/CN110630612A/en
Publication of CN110630612A publication Critical patent/CN110630612A/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
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

The invention discloses a novel bolt with a built-in elastic cushion and good anti-loosening effect, which comprises a screw rod, an inner screw head, an outer screw head and a spring washer, wherein the surface of the screw rod is coiled with external screw threads of the screw rod, the upper end of the screw rod is provided with the inner screw head, the inner screw head and the screw rod are coaxially arranged, an inner screw head installation sliding cavity matched with the inner screw head is arranged in the outer screw head, the outer screw head is sleeved on the inner screw head through the matching of the inner screw head installation sliding cavity and the inner screw head, the inner screw head can slide up and down in the inner screw head installation sliding cavity, the spring washer is sleeved on the screw rod close to the lower end of the inner screw head, the invention can improve the anti-loosening performance of the bolt and the tightness of the connection between the bolt and furniture by arranging the spring washer between the inner screw head and the outer screw head, and the spring washer is internally arranged in the screw head, the use is more convenient, and the back-up ring is difficult to lose after the bolt is dismantled.

Description

Novel bolt with built-in anti-loosening effect and elastic pad
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of bolts, in particular to the technical field of anti-loosening bolts for automobiles.
[ background of the invention ]
Bolt: mechanical parts, a cylindrical threaded fastener with a nut, a fastener composed of a head and a screw, and a nut, wherein the fastener is matched with the nut and is used for tightly connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from a bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, a large number of bolts are used on an automobile to fix the connection between the parts, but the fastening effect of the existing bolt fixed by the automobile is not good, after each part in the automobile is fixed for long-term use, the connection of each part in the automobile is easy to loose due to vibration and other reasons, the traditional method for reducing the influence of vibration on the fastening effect of the bolt is to add a spring washer on the bolt, the traditional spring washer can cause the surface depression of the automobile, thereby the spring washer effect is influenced, and the use of the washer on the automobile can cause poor aesthetic property, when the automobile is fixed, the automobile is easy to loosen, the connection between the bolt and the automobile is easy to loosen, and the existing requirements cannot be met.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a novel bolt with a built-in elastic cushion and a good anti-loosening effect.
In order to achieve the purpose, the invention provides a novel bolt with a built-in elastic cushion and a good anti-loosening effect, which comprises a screw rod, an inner screw head, an outer screw head and a spring washer, wherein the surface of the screw rod is coiled with external screw threads of the screw rod, the upper end of the screw rod is provided with the inner screw head, the inner screw head and the screw rod are coaxially arranged, an inner screw head installation sliding cavity matched with the inner screw head is arranged in the outer screw head, the outer screw head is sleeved on the inner screw head through the matching of the inner screw head installation sliding cavity and the inner screw head, the inner screw head can slide up and down in the inner screw head installation sliding cavity, the lower end of the screw rod, close to the inner screw head, is sleeved with the spring washer, and the spring washer can be matched with the inner screw head and the outer screw head.
Preferably, the lower end of the inner screw head mounting sliding cavity is provided with an outer screw head annular flange which can be matched with the spring washer, the upper end of the spring washer is matched with the lower end face of the inner screw head, and the lower end of the spring washer is matched with the outer screw head annular flange.
Preferably, the cross section of the inner screw head is a regular polygon such as a regular quadrangle or a regular hexagon, and the cross section of the inner screw head installation sliding cavity is a polygon which is the same as the cross section of the inner screw head.
Preferably, the outer edge of the cross section of the outer screw head is a regular hexagon.
Preferably, the lower end face of the outer screw head is uniformly provided with a plurality of anti-skid grains.
Preferably, the screw rod and the inner screw head are integrally formed.
Preferably, one end of the surface of the screw rod, which is close to the inner screw head, is provided with a polished rod section which can be matched with the outer screw head and the inner screw head installation sliding cavity.
The novel bolt with the built-in elastic pad and the good anti-loosening effect has the beneficial effects that: according to the automobile bolt, the bolt head is of an inner-outer double-layer structure, the spring washer is arranged between the inner bolt head and the outer bolt head, the anti-loosening performance of the bolt can be improved, the connection tightness between the bolt and an automobile is improved, the spring washer is arranged in the bolt head, the automobile bolt is more convenient to use, and the washer is not easy to lose after the bolt is disassembled.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a novel bolt with a built-in spring washer and a good anti-loosening effect, according to the present invention;
FIG. 2 is a front sectional view of the novel bolt with a built-in spring washer and a good anti-loosening effect;
fig. 3 is a top sectional view of a portion a-a of fig. 1.
In the figure: 1-screw, 2-inner screw head, 3-outer screw head, 4-spring washer, 11-screw outer screw, 12-polished rod section, 31-inner screw head installation sliding cavity, 32-outer screw head annular flange and 33-anti-slip pattern.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention
Referring to fig. 1, 2 and 3, the novel bolt with a built-in spring washer and a good anti-loosening effect of the invention comprises a screw rod 1, an inner screw head 2, an outer screw head 3 and a spring washer 4, wherein the surface of the screw rod 1 is coiled with screw rod external threads 11, the upper end of the screw rod 1 is provided with the inner screw head 2, the inner screw head 2 and the screw rod 1 are coaxially arranged, the outer screw head 3 is internally provided with an inner screw head installation sliding cavity 31 capable of being matched with the inner screw head 2, the outer screw head 3 is sleeved on the inner screw head 2 through the matching of the inner screw head installation sliding cavity 31 and the inner screw head 2, the inner screw head 2 can slide up and down in the inner screw head installation sliding cavity 31, the lower end of the screw rod 1 close to the inner screw head 2 is sleeved with the spring washer 4, the spring washer 4 can be matched with the inner screw head 2 and the outer screw head 3, the lower end of the inner screw head installation sliding cavity 31 is provided with an outer screw head annular flange 32 capable of being matched with the spring washer 4, 4 upper end of spring washer and interior spiral shell head 2 terminal surface cooperation, 4 lower extremes of spring washer and the cooperation of outer spiral shell head annular flange 32, the cross section of interior spiral shell head 2 be regular polygon such as regular quadrangle or regular hexagon, the cross section of interior spiral shell head installation sliding chamber 31 be the polygon the same with interior spiral shell head 2's cross section, 3 cross section outsides of outer spiral shell head be regular hexagon, 3 lower terminal surface of outer spiral shell head evenly be equipped with a plurality of anti-skidding lines 33, screw rod 1 and interior spiral shell head 2 integrated into one piece, the surface of screw rod 1 be close to the one end of interior spiral shell head 2 be equipped with can with outer spiral shell head 3 and interior spiral shell head installation sliding chamber 31 complex polished rod section 12.
The working process of the invention is as follows:
according to the novel bolt with the built-in elastic pad and the good anti-loosening effect, the screw rod 1 is screwed into the threaded hole on the automobile to be fixed in the working process, when the bolt is screwed, the screw rod 1 and the inner nut 2 have a force towards the threaded hole due to the matching of the screw rod external thread 11 and the screw hole, the inner nut 2 slides downwards, the spring washer 4 is extruded and deformed, the anti-loosening performance of the bolt is improved, and the connection tightness between the bolt and the automobile is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides a locking effectual built-in novel bolt of bullet pad that moves which characterized in that: comprises a screw rod (1), an inner screw head (2), an outer screw head (3) and a spring washer (4), the surface of the screw rod (1) is coiled with screw rod external threads (11), the upper end of the screw rod (1) is provided with an internal screw head (2), the inner screw head (2) and the screw rod (1) are coaxially arranged, an inner screw head mounting sliding cavity (31) which can be matched with the inner screw head (2) is arranged in the outer screw head (3), the outer screw head (3) is sleeved on the inner screw head (2) through the matching of the inner screw head installation sliding cavity (31) and the inner screw head (2), the inner screw head (2) can slide up and down in the inner screw head installation sliding cavity (31), a spring washer (4) is sleeved on the screw rod (1) close to the lower end of the inner screw head (2), the spring washer (4) can be matched with the inner screw head (2) and the outer screw head (3).
2. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: the lower end of the inner screw head mounting sliding cavity (31) is provided with an outer screw head annular flange (32) matched with the spring washer (4), the upper end of the spring washer (4) is matched with the lower end face of the inner screw head (2), and the lower end of the spring washer (4) is matched with the outer screw head annular flange (32).
3. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: the cross section of the inner screw head (2) is a regular polygon such as a regular quadrangle or a regular hexagon, and the cross section of the inner screw head installation sliding cavity (31) is a polygon which is the same as the cross section of the inner screw head (2).
4. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: the outer edge of the cross section of the outer screw head (3) is in a regular hexagon shape.
5. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: the lower end face of the outer screw head (3) is uniformly provided with a plurality of anti-skid lines (33).
6. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: the screw rod (1) and the inner screw head (2) are integrally formed.
7. The novel bolt with the built-in elastic cushion and the good anti-loosening effect as claimed in claim 1 is characterized in that: one end of the surface of the screw rod (1) close to the inner screw head (2) is provided with a polished rod section (12) which can be matched with the outer screw head (3) and the inner screw head installation sliding cavity (31).
CN201910980712.7A 2019-10-16 2019-10-16 Novel bolt with built-in anti-loosening effect and elastic pad Pending CN110630612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910980712.7A CN110630612A (en) 2019-10-16 2019-10-16 Novel bolt with built-in anti-loosening effect and elastic pad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910980712.7A CN110630612A (en) 2019-10-16 2019-10-16 Novel bolt with built-in anti-loosening effect and elastic pad

Publications (1)

Publication Number Publication Date
CN110630612A true CN110630612A (en) 2019-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910980712.7A Pending CN110630612A (en) 2019-10-16 2019-10-16 Novel bolt with built-in anti-loosening effect and elastic pad

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032172A (en) * 2020-08-27 2020-12-04 温州广全标准件制造有限公司 Inner hexagon bolt
CN113669352A (en) * 2021-08-26 2021-11-19 嘉兴涵祺汽配科技股份有限公司 Double-end automobile bolt with protect function

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050053446A1 (en) * 2003-09-05 2005-03-10 Chin-Fa Huang Captive screw with receiving space
CN104712637A (en) * 2015-03-20 2015-06-17 海盐光大标准件有限公司 T-shaped bolt convenient to mount and mounting channel
CN205173178U (en) * 2015-12-06 2016-04-20 天津市正隆金属制品有限公司 Looseness -prevention bolt
CN206458698U (en) * 2017-02-21 2017-09-01 海盐哈特惠机械五金制品有限公司 A kind of anti-loosening bolt
CN207018331U (en) * 2017-06-30 2018-02-16 李笑妍 Screw device for smoke exhaust ventilator case
CN109099046A (en) * 2018-11-07 2018-12-28 海盐华悦紧固件有限公司 A kind of railroad track anti-theft bolt
CN209146127U (en) * 2018-10-29 2019-07-23 绍兴上虞华通螺丝有限公司 It is a kind of can loosing-proof rust-proof anti-theft bolt

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050053446A1 (en) * 2003-09-05 2005-03-10 Chin-Fa Huang Captive screw with receiving space
CN104712637A (en) * 2015-03-20 2015-06-17 海盐光大标准件有限公司 T-shaped bolt convenient to mount and mounting channel
CN205173178U (en) * 2015-12-06 2016-04-20 天津市正隆金属制品有限公司 Looseness -prevention bolt
CN206458698U (en) * 2017-02-21 2017-09-01 海盐哈特惠机械五金制品有限公司 A kind of anti-loosening bolt
CN207018331U (en) * 2017-06-30 2018-02-16 李笑妍 Screw device for smoke exhaust ventilator case
CN209146127U (en) * 2018-10-29 2019-07-23 绍兴上虞华通螺丝有限公司 It is a kind of can loosing-proof rust-proof anti-theft bolt
CN109099046A (en) * 2018-11-07 2018-12-28 海盐华悦紧固件有限公司 A kind of railroad track anti-theft bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032172A (en) * 2020-08-27 2020-12-04 温州广全标准件制造有限公司 Inner hexagon bolt
CN113669352A (en) * 2021-08-26 2021-11-19 嘉兴涵祺汽配科技股份有限公司 Double-end automobile bolt with protect function

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Application publication date: 20191231

RJ01 Rejection of invention patent application after publication