CN212455131U

CN212455131U - Quick bolt

Info

Publication number: CN212455131U
Application number: CN202021042384.0U
Authority: CN
Inventors: 陈军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-02
Anticipated expiration: 2030-06-08

Abstract

The utility model belongs to the technical field of bolts, in particular to a quick bolt, which comprises a pin shaft sleeve, a pin shaft, an elastic part, a baffle ring and a plurality of balls; the pin shaft sleeve is provided with an accommodating cavity penetrating through two ends of the center of the pin shaft sleeve, a flange for limiting is annularly arranged in the horizontal direction in the accommodating cavity, the pin shaft is arranged in the accommodating cavity, the baffle ring is arranged on the pin shaft and connected with the flange to limit the pin shaft to be separated from the accommodating cavity, the elastic piece is sleeved outside the pin shaft and abutted between the baffle ring and the top end surface in the accommodating cavity, each ball is arranged between the pin shaft sleeve and the pin shaft and positioned in the accommodating cavity, and each ball is arranged in a surrounding manner along the horizontal direction of the pin shaft and used for passing through or jacking a tool contacted with each ball; the whole process is quick, simple and convenient, quick installation and disassembly can be realized, and the production efficiency is improved.

Description

Quick bolt

Technical Field

The utility model belongs to the technical field of the bolt, especially, relate to a quick bolt.

Background

Usually, the connection of a protruding concave two work pieces is with screw and nut, and it is porose in unsmooth both sides, use the instrument lock with screw and nut with both hands, but this kind of connected mode can produce bigger power when using, generally has 500KG ~ 3000KG, so easily causes the damage to the work piece. The screw and the nut are matched for use, the disassembly and assembly frequency is high, the efficiency is low when the disassembly and assembly time requirement is short, because the disassembly and assembly tool matched for disassembly and assembly is required when the screw is disassembled and assembled, the disassembly and assembly can not be carried out by only hands, the disassembly and assembly time is long, and the use of workers is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick bolt aims at solving the work piece that adopts screw and nut cooperation to be connected among the prior art and is consuming time longer when the dismouting, can't carry out quick dismantlement's technical problem.

In order to achieve the above object, an embodiment of the present invention provides a quick plug, which includes a pin shaft housing, a pin shaft, an elastic member, a retainer ring, and a plurality of balls; the hinge pin sleeve is provided with a containing cavity penetrating through two ends of the center of the hinge pin sleeve, a flange used for limiting is annularly arranged in the horizontal direction of the containing cavity, the hinge pin is arranged in the containing cavity, the baffle ring is arranged on the hinge pin and connected with the flange to limit the hinge pin to be separated from the containing cavity, the elastic piece is sleeved outside the hinge pin and abutted between the baffle ring and the top end surface of the containing cavity, each ball is arranged between the hinge pin sleeve and the hinge pin and positioned in the containing cavity, and each ball is arranged in a surrounding mode along the horizontal direction of the hinge pin and used for passing through or jacking the tool jig in contact with each ball.

Optionally, the pin shaft is provided with an installation cavity penetrating through two ends of the center of the pin shaft, a plurality of counter bores are annularly arranged in the horizontal direction in the installation cavity, each counter bore is communicated with the installation cavity, and each ball is rotatably connected in each counter bore.

Optionally, the number of balls is four.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the quick bolt have one of following technological effect at least: the utility model discloses a quick bolt, during the use, take the round pin axle out from the round pin axle sleeve, at this moment, each ball all is in the active state, insert the frock tool and hold the intracavity, then loosen the round pin axle, because the round pin axle is connected with the elastic component, the round pin axle will be pushed back to holding the intracavity by the elastic component so, round pin axle and each ball contact this moment, and push up each ball tightly, the frock tool with each ball contact just also tightly is pressed from both sides tightly and has accomplished the location so, and because the epaxial cover of round pin is equipped with one and keeps off the ring, it also is equipped with the flange to hold the intracavity, the round pin axle is taken out when the maximum distance from the round pin axle sleeve like this, it can be spacing by the flange to keep off the ring, prevent that the round pin axle from dropping.

In order to achieve the above object, another embodiment of the present invention provides a quick plug pin, which includes a locking ring, a pin shaft sleeve, a pin shaft, a retaining ring and a plurality of balls; the locking ring is provided with an accommodating cavity penetrating through two ends of the center of the locking ring, the pin shaft sleeve is arranged in the accommodating cavity, the pin shaft sleeve is provided with an accommodating cavity penetrating through two ends of the center of the pin shaft sleeve, a flange used for limiting is annularly arranged in the horizontal direction of the accommodating cavity, the pin shaft is arranged in the accommodating cavity, the baffle ring is arranged on the pin shaft and connected with the flange so as to limit the pin shaft to be separated from the accommodating cavity, each ball is arranged between the pin shaft sleeve and the pin shaft and positioned in the accommodating cavity, and each ball is arranged in a surrounding mode along the horizontal direction of the pin shaft and used for tightly pushing the locking ring through or.

Optionally, the quick bolt further comprises a limiting member; the round pin axle sleeve has the portion of gripping and the diameter is less than the connecting portion of the portion of gripping, connecting portion locate hold the intracavity, set up the via hole that runs through its lateral wall both ends in the portion of gripping, the via hole with hold the chamber intercommunication, the horizontal direction of round pin axle is fitted with a contraceptive ring and is equipped with the position respectively with first ring channel and the second ring channel that the via hole corresponds, the locating part is located in the via hole in order to be used for respectively with first ring channel with the joint of second ring channel.

Optionally, a thread groove is annularly arranged on the outer side wall of the connecting portion, and the thread groove extends from the top end face of the connecting portion to the bottom end face of the connecting portion.

Optionally, the inner wall of the accommodating cavity extends to the center and is formed with a tapered surface for limiting each ball.

Optionally, the apex of the conical surface is located proximate to the top end face of the locking ring.

Optionally, the top end surface of the locking ring is provided with a plurality of threaded holes penetrating through both ends of the locking ring in the vertical direction, and the locking ring is fixed on an external device by inserting a fastener into each of the threaded holes.

Optionally, the quick bolt further comprises a sleeve; the sleeve is sleeved on the outer side wall of the connecting part and positioned between the holding part and the locking ring.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the quick bolt have one of following technological effect at least: the utility model discloses a quick bolt, during the use, at first take the round pin axle out from the round pin axle sleeve, at this moment, each ball all is in the active state, at this moment take the round pin axle sleeve out from the locking ring, then insert the round pin axle sleeve need by in a plurality of work pieces of fixing, establish the end at the round pin axle sleeve with the locking ring cover at last, insert back the round pin axle sleeve with the round pin axle, round pin axle and each ball contact this moment, and push up each ball tightly, so the locking ring will be accomplished the location by a plurality of ball top tightly, and because the epaxial cover of round pin is equipped with a fender ring, it also is equipped with the flange to hold the intracavity, when the round pin axle takes maximum distance out from the round pin axle sleeve like this, it can be spacing by the flange to keep off the ring, prevent that the round pin axle from dropping in.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is a cross-sectional view of a quick bolt provided by an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a pin shaft of the quick bolt provided by the embodiment of the present invention.

Fig. 3 is a cross-sectional view of a quick connector according to another embodiment of the present invention.

Fig. 4 is a schematic structural view of a pin bush of a quick pin according to another embodiment of the present invention.

Fig. 5 is a cross-sectional view of a locking ring of a quick connector according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-pin bush 11-accommodation chamber 12-flange

13-holding part 14-connecting part 20-pin shaft

21-mounting cavity 22-counter bore 23-first annular groove

24-second annular groove 30-retaining ring 40-ball

50-elastic piece 60-locking ring 61-accommodating cavity

62-conical surface 63-threaded hole 131-via hole

141-thread groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 2, a quick plug is provided, which includes a pin shaft housing 10, a pin shaft 20, an elastic member 50, a retainer ring 30 and a plurality of balls 40; the pin shaft sleeve 10 is provided with accommodating cavities 11 penetrating through two ends of the center of the pin shaft sleeve, a flange 12 for limiting is annularly arranged in the horizontal direction in the accommodating cavity 11, the pin shaft 20 is arranged in the accommodating cavity 11, the baffle ring 30 is arranged on the pin shaft 20 and connected with the flange 12 to limit the pin shaft 20 to be separated from the accommodating cavity 11, the elastic part 50 is sleeved outside the pin shaft 20 and abutted between the baffle ring 30 and the top end surface in the accommodating cavity 11, each ball 40 is arranged between the pin shaft sleeve 10 and the pin shaft 20 and positioned in the accommodating cavity 11, and each ball 40 is arranged in a surrounding mode in the horizontal direction of the pin shaft 20 and used for passing through or jacking a tooling jig contacting with each ball 40.

Specifically, the utility model discloses a quick bolt, during the use, take round pin axle 20 out from round pin axle sleeve 10, at this moment, each ball 40 all is in the active state, insert the frock tool and hold in the chamber 11, then loosen round pin axle 20, because round pin axle 20 is connected with elastic component 50, round pin axle 20 will be pushed back to holding in the chamber 11 by elastic component 50, round pin axle 20 and each ball 40 contact this moment, and push up each ball 40 tightly, the frock tool with each ball 40 contact just so is pressed from both sides tightly and has accomplished the location, and because the cover is equipped with a fender ring 30 on round pin axle 20, it also is equipped with flange 12 to hold in the chamber 11, round pin axle 20 takes out the maximum distance from round pin axle sleeve 10 like this, it can be spacing by flange 12 to keep off ring 30, prevent that round pin axle 20 from dropping from round pin axle sleeve 10, whole process is quick simple and convenient, can realize quick installation and dismantlement, and.

In another embodiment of the present invention, as shown in fig. 1-2, the pin shaft 20 is provided with an installation cavity 21 penetrating through two ends of the center thereof, a plurality of counter bores 22 are annularly arranged in the horizontal direction in the installation cavity 21, each counter bore 22 is communicated with the installation cavity 21, and each ball 40 is rotatably connected in each counter bore 22. Specifically, a plurality of counter bores 22 are annularly arranged in the horizontal direction in the installation cavity 21, and the balls 40 are rotatably connected to the plurality of counter bores 22 respectively, so that the balls 40 can be in contact with a tooling fixture through the plurality of counter bores 22, and the plurality of counter bores 22 effectively protect the balls 40 from falling and damaging.

In another embodiment of the present invention, the number of the balls 40 is four. Specifically, the number of the balls 40 is four, which is beneficial to maintaining the stability of the balls 40 and the fixture when clamping.

In another embodiment of the present invention, as shown in fig. 3, a quick bolt is provided, which includes a locking ring 60, a pin bushing 10, a pin shaft 20, a retainer ring 30, and a plurality of balls 40; the locking ring 60 is provided with an accommodating cavity 61 penetrating through two ends of the center of the locking ring, the pin shaft sleeve 10 is arranged in the accommodating cavity 61, the pin shaft sleeve 10 is provided with accommodating cavities 11 penetrating through two ends of the center of the pin shaft sleeve 10, a flange 12 for limiting is annularly arranged in the accommodating cavity 11 in the horizontal direction, the pin shaft 20 is arranged in the accommodating cavity 11, the retaining ring 30 is arranged on the pin shaft 20 and connected with the flange 12 to limit the pin shaft 20 to be separated from the accommodating cavity 11, each ball 40 is arranged between the pin shaft sleeve 10 and the pin shaft 20 and located in the accommodating cavity 11, and each ball 40 is arranged in a surrounding manner along the horizontal direction of the pin shaft 20 and used for tightly penetrating or jacking the locking ring 60.

Specifically, when the quick bolt of the present invention is used, the pin shaft 20 is firstly pulled out from the pin shaft sleeve 10, at this time, the balls 40 are in the active state, at this time, the pin shaft sleeve 10 is pulled out from the locking ring 60, then the pin shaft sleeve 10 is inserted into a plurality of workpieces to be fixed, finally the locking ring 60 is sleeved at the tail end of the pin shaft sleeve 10, the pin shaft 20 is inserted back into the pin shaft sleeve 10, at the moment, the pin shaft 20 is contacted with each ball 40, and the balls 40 are tightly pressed, the locking ring 60 is tightly pressed by the balls 40 to complete the positioning, and because the pin shaft 20 is sleeved with a baffle ring 30, the accommodating cavity 11 is also internally provided with a flange 12, therefore, when the pin shaft 20 is drawn out from the pin shaft sleeve 10 to the maximum distance, the baffle ring 30 can be limited by the flange 12, the pin shaft 20 is prevented from falling from the pin shaft sleeve 10, the whole process is quick and simple, quick installation and disassembly can be realized, and the production efficiency is improved.

In another embodiment of the present invention, as shown in fig. 3 to 4, the quick bolt further includes a limiting member (not shown); the pin shaft sleeve 10 is provided with a holding part 13 and a connecting part 14 with a diameter smaller than the holding part 13, the connecting part 14 is arranged in the accommodating cavity 11, a via hole 131 penetrating through two ends of the side wall of the holding part 13 is formed in the holding part 13, the via hole 131 is communicated with the accommodating cavity 11, a first annular groove 23 and a second annular groove 24, of which the positions are respectively corresponding to the via hole 131, are annularly arranged in the horizontal direction of the pin shaft 20, and the limiting part is arranged in the via hole 131 and is respectively used for being clamped with the first annular groove 23 and the second annular groove 24. Specifically, through being provided with a locating part at portion 13 that grips, the locating part can respectively with first ring channel 23 and second ring channel 24 joint, when locating part and first ring channel 23 joint, this device is in the closure state, accomplish locking, when locating part and second ring channel 24 joint, this device is in the open mode, begin the clamping, the locating part that sets up makes round pin axle 20 obtain spacingly at the in-process that removes, be favorable to keeping the open or closure state of this device like this, make the clamping process more simple and convenient.

In another embodiment of the present invention, as shown in fig. 3, a thread groove 141 is annularly disposed on the outer sidewall of the connecting portion 14, and the thread groove 141 extends from the top end surface of the connecting portion 14 to the bottom end surface of the connecting portion 14. Specifically, the thread groove 141 is annularly formed on the outer side wall of the connecting portion 14, so that the connecting portion 14 can be inserted through the workpiece and the locking ring 60 more smoothly and with less resistance, and the pin bush 10 is prevented from scratching the workpiece.

In another embodiment of the present invention, as shown in fig. 5, the inner wall of the receiving cavity 61 extends toward the center and is formed with a tapered surface 62 for limiting each ball 40. Specifically, the tapered surface 62 is provided in the accommodating cavity 61, and the tapered surface 62 can abut against the plurality of balls 40 to limit the positions of the balls 40, which is beneficial to maintaining the locking state of the device.

In another embodiment of the present invention, as shown in fig. 3 to 5, the apex of the tapered surface 62 is disposed near the top end surface of the locking ring 60. Specifically, the apex of the tapered surface 62 is located close to the top end surface of the locking ring 60, that is, the point of intersection at which the tapered surface 62 extends is in the direction of the top end surface of the locking ring 60.

In another embodiment of the present invention, as shown in fig. 3 to 5, the top end surface of the locking ring 60 is annularly provided with a plurality of threaded holes 63 penetrating both ends in the vertical direction, and the locking ring 60 is fixed to an external device by inserting a fastener (not shown) into each of the threaded holes 63. Specifically, the top end surface of the locking ring 60 is annularly provided with three threaded holes 63 penetrating through two ends of the locking ring 60 in the vertical direction, and the locking ring 60 can be fixed on external equipment by inserting fasteners into the three threaded holes 63, which is beneficial to the firmness of connection.

In another embodiment of the present invention, the quick bolt further comprises a sleeve (not shown); the sleeve is sleeved on the outer side wall of the connecting part 14 and is positioned between the holding part 13 and the locking ring 60. Specifically, a sleeve is arranged between the holding part 13 and the locking ring 60, and the sleeve can change the locking length of the device, so that workpieces with different thicknesses can be locked.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick bolt which is characterized in that: the device comprises a pin shaft sleeve, a pin shaft, an elastic part, a baffle ring and a plurality of balls; the hinge pin sleeve is provided with a containing cavity penetrating through two ends of the center of the hinge pin sleeve, a flange used for limiting is annularly arranged in the horizontal direction of the containing cavity, the hinge pin is arranged in the containing cavity, the baffle ring is arranged on the hinge pin and connected with the flange to limit the hinge pin to be separated from the containing cavity, the elastic piece is sleeved outside the hinge pin and abutted between the baffle ring and the top end surface of the containing cavity, each ball is arranged between the hinge pin sleeve and the hinge pin and positioned in the containing cavity, and each ball is arranged in a surrounding mode along the horizontal direction of the hinge pin and used for passing through or jacking the tool jig in contact with each ball.

2. The quick bolt of claim 1, wherein: the hinge pin is provided with an installation cavity penetrating through two ends of the center of the hinge pin, a plurality of counter bores are annularly arranged in the horizontal direction in the installation cavity, each counter bore is communicated with the installation cavity, and each ball is rotatably connected in each counter bore.

3. The quick bolt according to any one of claims 1-2, characterized in that: the number of the balls is four.

4. A quick bolt which is characterized in that: the locking ring, the pin shaft sleeve, the pin shaft, the baffle ring and a plurality of balls are included; the locking ring is provided with an accommodating cavity penetrating through two ends of the center of the locking ring, the pin shaft sleeve is arranged in the accommodating cavity, the pin shaft sleeve is provided with an accommodating cavity penetrating through two ends of the center of the pin shaft sleeve, a flange used for limiting is annularly arranged in the horizontal direction of the accommodating cavity, the pin shaft is arranged in the accommodating cavity, the baffle ring is arranged on the pin shaft and connected with the flange so as to limit the pin shaft to be separated from the accommodating cavity, each ball is arranged between the pin shaft sleeve and the pin shaft and positioned in the accommodating cavity, and each ball is arranged in a surrounding mode along the horizontal direction of the pin shaft and used for tightly pushing the locking ring through or.

5. The quick bolt of claim 4, wherein: the quick bolt also comprises a limiting part; the round pin axle sleeve has the portion of gripping and the diameter is less than the connecting portion of the portion of gripping, connecting portion locate hold the intracavity, set up the via hole that runs through its lateral wall both ends in the portion of gripping, the via hole with hold the chamber intercommunication, the horizontal direction of round pin axle is fitted with a contraceptive ring and is equipped with the position respectively with first ring channel and the second ring channel that the via hole corresponds, the locating part is located in the via hole in order to be used for respectively with first ring channel with the joint of second ring channel.

6. The quick bolt of claim 5, wherein: the outer side wall of the connecting part is annularly provided with a thread groove, and the thread groove extends to the bottom end face of the connecting part from the top end face of the connecting part.

7. The quick bolt according to any one of claims 4 to 6, characterized in that: the inner wall of the accommodating cavity extends towards the center and is provided with a conical surface for limiting each ball.

8. The quick bolt of claim 7, wherein: the apex of the conical surface is disposed proximate to the top end surface of the locking ring.

9. The quick bolt according to any one of claims 4 to 6, characterized in that: the top end face of the locking ring is provided with a plurality of threaded holes which penetrate through two ends of the locking ring in the vertical direction, and the locking ring is fixed on external equipment by inserting fasteners into the threaded holes.

10. The quick bolt of claim 5, wherein: the quick bolt also comprises a sleeve; the sleeve is sleeved on the outer side wall of the connecting part and positioned between the holding part and the locking ring.