CN111911513A - Bolt and nut capable of being installed quickly - Google Patents

Bolt and nut capable of being installed quickly Download PDF

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Publication number
CN111911513A
CN111911513A CN202010927380.9A CN202010927380A CN111911513A CN 111911513 A CN111911513 A CN 111911513A CN 202010927380 A CN202010927380 A CN 202010927380A CN 111911513 A CN111911513 A CN 111911513A
Authority
CN
China
Prior art keywords
nut
bolt
external teeth
head
rod part
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
CN202010927380.9A
Other languages
Chinese (zh)
Inventor
张亮辉
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 Jinan Standard Component Co ltd
Original Assignee
Hebei Jinan Standard Component 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 Hebei Jinan Standard Component Co ltd filed Critical Hebei Jinan Standard Component Co ltd
Priority to CN202010927380.9A priority Critical patent/CN111911513A/en
Publication of CN111911513A publication Critical patent/CN111911513A/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
    • F16B33/00Features common to bolt and nut
    • F16B33/02Shape of thread; Special thread-forms
    • 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
    • F16B37/00Nuts or like thread-engaging members
    • 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
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/30Locking exclusively by special shape of the screw-thread

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a bolt and nut capable of being quickly installed, which belongs to the technical field of connecting pieces and comprises a bolt and a nut sleeved on the bolt, wherein the bolt comprises a head part and a rod part fixedly arranged on the head part, a plurality of circles of external teeth are arranged on the circumferential direction of the outer wall of the rod part, a plurality of circles of internal tooth grooves buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are obliquely arranged, and the tooth tops face the head part; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually. The bolt-nut connection structure is rapid and convenient to install, firm in connection, wide in application range and suitable for all bolt-nut connections which do not need to be detached all the year round, the working efficiency is improved, the time cost and the labor cost are saved, and the bolt-nut connection structure is not required to be detached all the year round.

Description

Bolt and nut capable of being installed quickly
Technical Field
The invention belongs to the technical field of connecting pieces, and relates to a bolt and a nut, in particular to a bolt and a nut capable of being quickly installed.
Background
The bolt and the nut are common connecting pieces in machinery, and have the advantages of wide application, simple use and firm connection. In the prior art, the external thread of the bolt and the internal thread of the nut are spirally surrounded, so that the nut can move along the rod part of the bolt conveniently, and the fastening purpose can be achieved by only rotating the nut on the rod part of the bolt.
The disadvantages of this spiral winding are: when a large amount of bolts and nuts to be connected are arranged, the nuts penetrate through the rod parts of the bolts by hands, the rod ends are screwed to the surfaces of connected objects, and then the connected objects are screwed down by one spanner, so that time is wasted, manpower is occupied, and the working efficiency is low. Especially, place that connecting tube is more in underground parking garage or piping lane all has dozens of bolts on the ring flange of pipe connection, and the connection of these pipelines mostly can not demolish for decades, and bolt and nut connects and has taken a large amount of time of workman, and to the workman, work efficiency is low, and to the personnel selection unit, the cost of labor is higher, has increased the burden of personnel selection unit.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a bolt and nut capable of being quickly installed so as to achieve the purposes of quickly installing and fastening the bolt and nut and improving the working efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a fast-mounting bolt and nut comprises a bolt and a nut sleeved on the bolt, wherein the bolt comprises a head and a rod part fixedly arranged on the head, a plurality of circles of external teeth are arranged on the outer wall of the rod part in the circumferential direction, a plurality of circles of internal tooth grooves buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are arranged in an inclined manner, and the tooth tips face the head; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually.
As a limitation of the present invention: and each ring formed by the ring of external teeth and the ring of internal tooth grooves is a closed circle.
As a further limitation of the invention: the head of the bolt is any one of a hexagonal column, a cylinder, a hemisphere or a countersunk head.
As another limitation of the present invention: the outer wall of the nut is any one of a hexagonal column shape, a cylindrical shape or a circular truncated cone shape.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) according to the bolt and nut, the outer teeth and the inner tooth grooves are matched, the tooth tips of the outer teeth face the head, so that the nut can only move along the rod part along the outer teeth, the fastening effect can be achieved, when the nut moves against the outer teeth, the outer teeth and the inner tooth grooves are locked mutually, the anti-falling purpose is achieved, when the nut is installed, the nut only needs to be pushed upwards along the rod part, the time for rotating the nut is saved, the nut cannot easily fall off the bolt, the bolt and nut are convenient to install and fasten, the working efficiency is improved, and the labor cost is reduced;
(2) according to the invention, the external teeth and the internal tooth sockets form mutually independent and closed circles, so that the external teeth and the internal tooth sockets are buckled more tightly in the circumferential direction when moving mutually, are not easy to be damaged by external force and are connected more firmly;
(3) the head of the bolt is in a hexagonal column shape, a cylindrical shape, a hemispherical shape or a countersunk head, the outer wall of the nut is in a hexagonal column shape, a cylindrical shape or a circular truncated cone shape, and the circumferential fastening and clamping of a spanner are not involved, so that the head of the bolt and the outer part of the nut can be in any shape, the application is wide, and the practicability is high.
In conclusion, the bolt-nut connection structure is rapid and convenient to install, firm in connection, wide in application range and suitable for all bolt-nut connections which do not need to be detached all the year round, the working efficiency is improved, the time cost and the labor cost are saved, and the bolt-nut connection structure is not required to be detached all the year round.
Drawings
The invention is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a schematic structural view of a bolt 1 according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a nut 2 according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the bolt 1 and the nut 2 in cooperation according to the embodiment of the invention.
In the figure: 1-bolt, 11-head, 12-rod, 13-external tooth, 2-nut, and 3-internal tooth groove.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the quick-install bolt and nut embodiments described herein are preferred embodiments, are provided for illustration and explanation of the present invention, and are not to be construed as limiting the present invention.
Embodiment quick mounting bolt and nut
In this embodiment, as shown in fig. 1 to fig. 3, a quick-mounting bolt and nut includes a bolt 1 and a nut 2 sleeved on the bolt 1, where the bolt 1 includes a head 11 and a rod 12 fixed on the head 11. The embodiment is an improvement on the thread fit of the bolt 1 and the nut 2, changes the original detachable mode, and enables the two connected objects to be separated only by damaging the nut 2 or the bolt 1 when the detachable bolt is used, so that the detachable bolt is suitable for connection which is not required to be detached all the year round.
As shown in fig. 1, the head 11 of the bolt 1 is any one of a hexagonal cylinder, a hemisphere or a countersunk head, and the present embodiment is a hexagonal cylinder. A plurality of circles of external teeth 13 are arranged on the outer wall of the rod part 12 in the circumferential direction, and the tooth tips of the external teeth 13 face the head part 11. The external teeth 13 of the present embodiment are disposed in an upward inclined manner to form a barb shape, and an included angle between the external teeth 13 and the rod portion 12 is an acute angle. The external teeth 13 form a closed circle in the circumferential direction of the rod part 12, namely, the original mode that the threads in the bolt 1 are spirally arranged is abandoned, so that the external teeth 13 form a circle of closed circles with one circle of independent arrangement.
As shown in fig. 2, the outer wall of the nut 2 is any one of a hexagonal cylinder, a cylinder or a truncated cone, and the present embodiment adopts a hexagonal cylinder. The inner wall of the nut 2 is provided with a plurality of circles of inner tooth grooves 3 buckled with the outer teeth 13, the inner tooth grooves 3 form a closed circle in the circumferential direction of the inner wall of the nut 2, namely, the mode that the original nut 2 is provided with a spiral thread is abandoned, and the inner tooth grooves 3 form a circle of circle which is independently arranged and each circle of closed circle.
As shown in fig. 3, the bolt 1 and the nut 2 are made of carbon steel, so that the external teeth 13 and the internal teeth 3 can be firmly clamped with each other and the nut 2 can be smoothly pushed to a desired position when being matched. The external teeth 13 and the internal teeth grooves 3 are buckled with each other: when the nut 2 moves from the rod end of the bolt 1 to the head 11, the outer teeth 13 incline upwards, so that the nut 2 moves along the outer teeth 13, the nut 2 can be fixed at any position of the rod part 12 until the nut contacts with the surface of an object to be connected, and the fastening purpose is achieved. When the nut 2 moves from the head 11 of the bolt 1 to the rod end, the outer teeth 13 incline upwards, so that the nut 2 moves against the outer teeth 13, the outer teeth 13 are inserted into the inner teeth groove 3 of the nut 2, the inner teeth groove 3 and the outer teeth 13 are locked with each other and cannot move downwards, and the purpose of preventing looseness is achieved.
When the bolt 1 and the nut 2 of the embodiment are installed, the rod part 12 of the bolt 1 penetrates through the through hole of the object to be connected, the nut 2 is sleeved on the bolt 1, the end surface of the nut 2 and the head part 11 of the bolt 1 are clamped by pliers, the nut 2 is forced to move towards the head part 11 of the bolt 1 along the external teeth 13 until the nut is tightly contacted with the surface of the object to be connected, and the pliers are loosened. No matter the connected object vibrates or external force is applied, the nut 2 can not move downwards to be separated from the rod part 12, the connection is tight, and the installation is quick and convenient.

Claims (4)

1. The utility model provides a bolt and nut of quick installation, includes the bolt and cup joints the nut on the bolt, the bolt includes the head and sets firmly the pole portion on the head, its characterized in that: a plurality of circles of external teeth are arranged on the outer wall of the rod part in the circumferential direction, a plurality of circles of internal tooth sockets buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are arranged in an inclined mode, and the tooth tips face the head; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually.
2. The quick install bolt nut of claim 1, wherein: and each ring formed by the ring of external teeth and the ring of internal tooth grooves is a closed circle.
3. The quick-install bolt nut of claim 2, wherein: the head of the bolt is any one of a hexagonal column, a cylinder, a hemisphere or a countersunk head.
4. The quick-install bolt nut of any one of claims 1-3, wherein: the outer wall of the nut is any one of a hexagonal column shape, a cylindrical shape or a circular truncated cone shape.
CN202010927380.9A 2020-09-07 2020-09-07 Bolt and nut capable of being installed quickly Pending CN111911513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010927380.9A CN111911513A (en) 2020-09-07 2020-09-07 Bolt and nut capable of being installed quickly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010927380.9A CN111911513A (en) 2020-09-07 2020-09-07 Bolt and nut capable of being installed quickly

Publications (1)

Publication Number Publication Date
CN111911513A true CN111911513A (en) 2020-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010927380.9A Pending CN111911513A (en) 2020-09-07 2020-09-07 Bolt and nut capable of being installed quickly

Country Status (1)

Country Link
CN (1) CN111911513A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109989A (en) * 2021-11-19 2022-03-01 中国北方发动机研究所(天津) Anti-loosening fastening connection device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019651A (en) * 2007-07-10 2009-01-29 Caterpillar Japan Ltd Locking bolt, locking nut, and fastening structure
CN208138296U (en) * 2018-04-24 2018-11-23 珠海机甲天下科技有限公司 A kind of disposable bolt and nut fastener
CN210343992U (en) * 2019-06-22 2020-04-17 沈阳天启悦标准件有限公司 Repeatedly usable's locking formula bolt nut fastener
CN212429466U (en) * 2020-09-07 2021-01-29 河北冀南标准件有限公司 Bolt and nut capable of being installed quickly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009019651A (en) * 2007-07-10 2009-01-29 Caterpillar Japan Ltd Locking bolt, locking nut, and fastening structure
CN208138296U (en) * 2018-04-24 2018-11-23 珠海机甲天下科技有限公司 A kind of disposable bolt and nut fastener
CN210343992U (en) * 2019-06-22 2020-04-17 沈阳天启悦标准件有限公司 Repeatedly usable's locking formula bolt nut fastener
CN212429466U (en) * 2020-09-07 2021-01-29 河北冀南标准件有限公司 Bolt and nut capable of being installed quickly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109989A (en) * 2021-11-19 2022-03-01 中国北方发动机研究所(天津) Anti-loosening fastening connection device

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