CN108612715B

CN108612715B - Self-limiting quick clamping bolt and mounting method thereof

Info

Publication number: CN108612715B
Application number: CN201810391674.7A
Authority: CN
Inventors: 张洪涛
Original assignee: Wenzhou Rijin Automobile Parts Co ltd
Current assignee: WENZHOU RIJIN AUTOMOBILE PARTS Co.,Ltd.
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2020-09-04
Anticipated expiration: 2038-04-27
Also published as: CN108612715A

Abstract

The invention discloses a self-limiting quick clamping bolt and an installation method thereof, and relates to the technical field of assembling bolts. The invention comprises a first bolt and a limit structure in threaded fit with the first bolt, wherein the first bolt is matched with a jacking mechanism; the jacking mechanism comprises a group of pressing seats, a group of side push plates, a connecting rod and a push-pull lever mechanism; the pressing seat, the connecting rod, the side push plate, the connecting rod, the pressing seat, the connecting rod, the side push plate and the connecting rod are sequentially connected end to end; the push-pull trigger mechanism comprises a second bolt and a trigger. The invention designs a matched jacking mechanism aiming at the problems that the existing bolt fastening mode can be operated only by a tool and the assembling and disassembling process is time-consuming and labor-consuming; the purpose of quickly fastening the pre-tightened bolt is realized through the mechanism.

Description

Self-limiting quick clamping bolt and mounting method thereof

Technical Field

The invention belongs to the technical field of assembling bolts, and particularly relates to a self-limiting quick-clamping bolt and an installation method thereof.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

In the existing assembly process, when the tooling equipment is used for positioning and clamping various structures, the existing bolt fixing is adopted, so that the problems of complex installation and disassembly, time and labor waste are caused, the working efficiency is reduced, and the production cost is indirectly increased.

The prior patent discloses a quick clamping bolt for a T-shaped groove (patent number CN201220218577.6), which comprises a T-shaped groove and a T-shaped bolt, wherein the T-shaped bolt comprises a bolt head and a screw rod, the screw rod is a cuboid with a round chamfer, and the T-shaped bolt is clamped in the T-shaped groove; through improving T type nut screw rod department into the cuboid that has the circular chamfer, can directly insert into from the plane in T type groove to the rotation of the direction of screwing of bolt, and the card is in the inslot, and it just can be spacing after rotating to the perpendicular point with T type groove plane. The clamp is quite convenient to use and can be widely applied to clamping and fastening in industries such as machining and the like. The material is saved under the condition of not influencing the effect, the design is simple, the realization is easy, and the application prospect is good; the technology is only a guide structure for the screw, the application range is only limited by one end of the screw, and the fixation of a positioning structure for installing and assembling the structure cannot be quickly realized.

Disclosure of Invention

The invention aims to provide a self-limiting quick clamping bolt and an installation method thereof, wherein a matched jacking mechanism is designed aiming at the problems that the existing bolt fastening mode can be operated only by a tool, and the assembling and disassembling process is time-consuming and labor-consuming; the purpose of quickly fastening the pre-tightened bolt is realized through the mechanism.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a self-limiting quick clamping bolt which comprises a first bolt and a limiting structure in threaded fit with the first bolt, wherein a jacking mechanism is matched on the first bolt; the jacking mechanism comprises a group of pressing seats, a group of side push plates, a connecting rod and a push-pull lever mechanism; the pressing seat, the push plate at one side, the other pressing seat and the push plate at the other side are sequentially connected end to end through the connecting rod; a group of first channels are respectively and oppositely arranged on two sides of the pressing seat; a first pin shaft is matched along the vertical direction of the opening of the first channel; a first through hole is formed in the center of one surface of the pressing seat; a second through hole and a threaded hole are formed in one surface of the side push plate at a central line position interval; one side of the side push plate is provided with a group of second channels, and the other side of the side push plate opposite to the side push plate is provided with a group of third channels; a second pin shaft is matched in the vertical direction of the openings of the second channel and the third channel; the push-pull pulling rod mechanism comprises a second bolt and a pulling rod; the second bolt comprises a screw and a polygonal column head; a hinged support and a first magnetic sheet are respectively fixed on the peripheral side surface of the polygonal column head; one end of the pull rod is hinged with a hinged support at the head of the polygonal column; the pull rod is provided with relatively parallel surfaces, and a second magnetic sheet is fixed on one surface; the second magnetic sheet is in magnetic pole attraction fit with the first magnetic sheet; and a second bolt of the push-pull lever mechanism penetrates through the second through hole of the push plate on one side and is in threaded fit with the threaded hole of the push plate on the opposite side.

Further, the position of the second slot channel and the position of the third slot channel are mutually staggered.

Furthermore, the peripheral side surfaces of the polygonal column head parts are respectively provided with a first notch; a first magnetic sheet is fixed in the first notch; the surface magnetic poles of the first magnetic sheet positioned on the peripheral side surface of the polygonal column head are consistent.

Furthermore, one end of the pull rod is provided with a hinge hole which is in hinge fit with the hinge seat; a second notch is formed in one surface of the pull rod; a second magnetic sheet is fixed in the second notch; and a cavity is also arranged on one end surface of the pull rod.

Further, the first through hole of the pressure seat is in clearance fit with the first bolt.

Further, the limiting structure comprises a nut or a plate with a screw hole.

Furthermore, two ends of the connecting rod are respectively provided with a pin hole in sliding fit with the first pin shaft or the second pin shaft; one surface of the connecting rod is also provided with a waist-shaped slotted hole.

A mounting method of a self-limiting quick clamping bolt comprises the following steps:

firstly, mounting a first bolt on a clamped tool, and then sequentially matching a jacking mechanism and a limiting structure at one end of the first bolt;

step two, preliminary pre-tightening: manually pre-tightening the limiting structure until the maximum value of the fit is reached;

step three, re-fastening: the screw rod is rotated by unfolding the pull rod through adjusting a second bolt of the jacking mechanism, so that the push plates on two opposite sides are relatively displaced, and the two opposite pressure seats are relatively displaced;

and step four, tightly jacking the limit structure through the jacking mechanism for fastening.

The invention has the following beneficial effects:

the invention designs a matched jacking mechanism aiming at the problems that the existing bolt fastening mode can be operated only by a tool and the assembling and disassembling process is time-consuming and labor-consuming; the purpose of quickly fastening the pre-tightened bolt is realized through the mechanism.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a self-limiting quick clamping bolt according to the present invention;

FIG. 2 is a front view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of a second bolt;

FIG. 4 is a top view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of the trigger;

FIG. 6 is a schematic structural view of a second bolt;

FIG. 7 is a schematic structural view of a side push plate;

FIG. 8 is a schematic structural view of the pressing base;

FIG. 9 is a schematic view of a connecting rod;

in the drawings, the components represented by the respective reference numerals are listed below:

1-first bolt, 2-second bolt, 3-side push plate, 4-press seat, 5-connecting rod, 6-limit structure, 7-toggle rod, 201-screw rod, 202-polygonal column head, 2021-first notch, 2022-first magnetic sheet, 2023-hinged seat, 301-second through hole, 302-threaded hole, 303-second groove, 304-third groove, 305-second pin shaft, 401-first groove, 402-first pin shaft, 501-waist-shaped groove hole, 701-hinged hole, 702-second notch and 703-second magnetic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-9, the present invention is a self-limiting quick-clamping bolt, including a first bolt 1 and a limiting structure 6 in threaded engagement with the first bolt 1, wherein the first bolt 1 is engaged with a jacking mechanism;

the jacking mechanism comprises a group of pressing seats 4, a group of side push plates 3, a connecting rod 5 and a push-pull lever mechanism; the pressing seat 4, the push plate 3 at one side, the other pressing seat 4 and the push plate 3 at the other side are sequentially connected end to end through the connecting rod 5;

wherein, two sides of the pressing seat 4 are respectively provided with a group of first channels 401 oppositely; a first pin 402 is fitted in the vertical direction of the opening of the first channel 401; a first through hole 403 is formed in the center of one surface of the pressing base 4;

wherein, a second through hole 301 and a threaded hole 302 are arranged on a surface of the side push plate 3 at a central line position interval; one side of the side push plate 3 is provided with a group of second channels 303, and the other side of the side push plate 3 opposite to the side push plate is provided with a group of third channels 304; a second pin 305 is matched with the openings of the second channel 303 and the third channel 304 in the vertical direction;

wherein, the push-pull lever mechanism comprises a second bolt 2 and a lever 7;

wherein, the second bolt 2 comprises a screw 201 and a polygonal column head 202, and the polygonal column head 202 comprises a quadrangular column, a hexagonal column or an octagonal column; a hinged support 2023 and a first magnetic sheet 2022 are respectively fixed on the peripheral side surface of the polygonal column head 202; one end of the trigger bar 7 is hinged with the hinge base 2023 of the polygonal column head 202; the lever 7 is provided with relatively parallel surfaces, and a second magnetic sheet 703 is fixed on one surface; the second magnetic sheet 703 is in magnetic pole attraction fit with the first magnetic sheet 2022;

the second bolt 2 of one push-pull trigger mechanism penetrates through the second through hole 301 of the push plate 3 on one side and is in threaded fit with the threaded hole 302 of the push plate 3 on the opposite side, and another push-pull trigger mechanism arranged oppositely can also be arranged.

The position of the second channel 303 and the position of the third channel 304 are staggered with each other, and the second channel and the third channel are used for sequentially connecting the pressing seat 4, the connecting rod 5, the side push plate 3, the connecting rod 5, the pressing seat 4, the connecting rod 5, the side push plate 3 and the connecting rod 5 end to end.

Wherein, the peripheral side of the polygonal column head 202 is respectively provided with a first notch 2021; a first magnetic sheet 2022 is fixed in the first notch 2021; the surface magnetic poles of the first magnetic sheet 2022 located on the peripheral side surface of the polygonal column head 202 are uniform.

Wherein, one end of the lever 7 is provided with a hinge hole 701 which is in hinge fit with the hinge base 2023; a second notch 702 is formed on one surface of the trigger 7; a second magnetic sheet 703 is fixed in the second notch 702; a cavity is also arranged on one end surface of the pull rod 7.

Wherein, the first through hole 403 of the pressing seat 4 is in clearance fit with the first bolt 1.

Wherein, limit structure 6 includes the nut or has the plate of screw.

Wherein, two ends of the connecting rod 5 are respectively provided with a pin hole 502 which is in sliding fit with the first pin 402 or the second pin 305; one surface of the connecting rod 5 is also provided with a waist-shaped slot 501.

firstly, mounting a first bolt 1 on a clamped tool, and then sequentially matching a jacking mechanism and a limiting structure 6 at one end of the first bolt 1;

step two, preliminary pre-tightening: manually pre-tightening the limiting structure 6 until the maximum value of the matching is reached;

step three, re-fastening: the screw 201 is rotated by unfolding the pull rod 7 by adjusting the second bolt 2 of the jacking mechanism, so that the push plates 3 on two opposite sides are relatively displaced, and the two opposite pressure seats 4 are relatively displaced;

and step four, the jacking mechanism is used for jacking the fastening of the limiting structure 6, the quick adjusting jacking mechanism is used for adjusting the fastening mode of the first bolt 1, and the quick clamping of the first bolt 1 can be realized through manual operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a from quick clamping bolt of spacing formula, includes first bolt (1) and with first bolt (1) screw-thread fit's limit structure (6), its characterized in that:

the first bolt (1) is matched with a jacking mechanism;

the jacking mechanism comprises a group of pressing seats (4), a group of side push plates (3), a connecting rod (5) and a push-pull lever mechanism; the pressing seat (4), the push plate (3) at one side, the pressing seat (4) and the push plate (3) at the other side are sequentially connected end to end through a connecting rod (5);

wherein, two sides of the pressure seat (4) are respectively provided with a group of first channels (401) oppositely; a first pin shaft (402) is matched along the vertical direction of the opening of the first channel (401); a first through hole (403) is formed in the center of one surface of the pressing seat (4);

wherein, a second through hole (301) and a threaded hole (302) are arranged on one surface of the side push plate (3) at a central line position interval; one side of the side push plate (3) is provided with a group of second channels (303), and the other side of the side push plate (3) opposite to the side push plate is provided with a group of third channels (304); a second pin shaft (305) is matched with the openings of the second channel (303) and the third channel (304) in the vertical direction;

wherein, the push-pull lever mechanism comprises a second bolt (2) and a lever (7);

wherein the second bolt (2) comprises a screw (201) and a polygonal-prism-shaped head (202); a hinged support (2023) and a first magnetic sheet (2022) are respectively fixed on the peripheral side surface of the polygonal column head (202); one end of the spanner bar (7) is hinged with a hinged support (2023) of the polygonal column head (202); the pull rod (7) is provided with relatively parallel surfaces, and a second magnetic sheet (703) is fixed on one surface; the second magnetic sheet (703) is matched with the first magnetic sheet (2022) in a magnetic pole attraction way;

and a second bolt (2) of the push-pull lever mechanism penetrates through a second through hole (301) of the push plate (3) at one side and is in threaded fit with a threaded hole (302) of the push plate (3) at the opposite side.

2. A self-limiting quick-clamping bolt as claimed in claim 1, wherein the position of the second channel (303) and the position of the third channel (304) are staggered.

3. A self-limiting quick-clamping bolt as claimed in claim 1, wherein the peripheral side surfaces of the polygonal column head (202) are respectively provided with a first notch (2021); a first magnetic sheet (2022) is fixed in the first notch (2021); the surface magnetic poles of the first magnetic sheet (2022) positioned on the peripheral side surface of the polygonal column head (202) are consistent.

4. A self-limiting quick-clamping bolt as claimed in claim 1, wherein one end of the lever (7) is provided with a hinge hole (701) which is in hinge fit with the hinge base (2023); a second notch (702) is formed in one surface of the pull rod (7); a second magnetic sheet (703) is fixed in the second notch (702); and a cavity is also arranged on one end surface of the pull rod (7).

5. A self-limiting quick-clamping bolt as claimed in claim 1, wherein the first through hole (403) of the pressure seat (4) is in clearance fit with the first bolt (1).

6. A self-limiting quick-clamping bolt as claimed in claim 1, wherein the limiting structure (6) comprises a nut or a plate with a threaded hole.

7. A self-limiting quick-clamping bolt according to claim 1, wherein both ends of the connecting rod (5) are respectively provided with a pin hole (502) which is in sliding fit with the first pin shaft (402) or the second pin shaft (305); one surface of the connecting rod (5) is also provided with a waist-shaped slotted hole (501).

8. The mounting method of the self-limiting quick clamping bolt according to any one of claims 1-7, characterized by comprising the following steps:

firstly, mounting a first bolt (1) on a clamped tool, and then sequentially matching a jacking mechanism and a limiting structure (6) with one end of the first bolt (1);

step two, preliminary pre-tightening: manually pre-tightening the limiting structure (6) until the maximum value of the fit is reached;

step three, re-fastening: the screw rod (201) is rotated by adjusting the second bolt (2) of the jacking mechanism and unfolding the pull rod (7), so that the push plates (3) on two opposite sides are relatively displaced, and the two opposite pressure seats (4) are relatively displaced;

and fourthly, tightly jacking the limit structure (6) through the jacking mechanism for fastening.