CN213775979U

CN213775979U - Quick-release pin rod for connecting hole

Info

Publication number: CN213775979U
Application number: CN202121439971.8U
Authority: CN
Inventors: 武振通; 焦博
Original assignee: Xinxiang Bashan Aero Material Co ltd
Current assignee: Xinxiang Bashan Aero Material Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-07-23
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a quick detach pin rod for connecting hole, including pin rod, adapter sleeve, reciprocal pin rod and prevent pressing from both sides the mechanism, the right-hand member inside of pin rod is provided with the spring hole, installs the spring in the spring hole, the right-hand member of reciprocal pin rod inserts the inside of pin rod, and the right-hand member of reciprocal pin rod is provided with the stop collar, and the stop collar is contradicted with the right-hand member of spring, and the inner wall sliding connection of stop collar and spring hole, the adapter sleeve is connected with the right-hand member of pin rod through the mode of screw thread, and the right-hand member of stop collar has a press head through threaded connection, and the right-hand member of press head passes to the outside of adapter sleeve, prevent pressing from both sides the mechanism and include grip ring and trigger, grip ring and the right-hand member threaded connection of adapter sleeve, and the inboard bottom of grip ring is provided with the link; the utility model discloses structural design is novel, is applicable to the place that often needs the disconnect-connection, does not need the specialized tool cooperation, and singlehanded operatable avoids pointing extruded risk, can the high-speed joint location.

Description

Quick-release pin rod for connecting hole

Technical Field

The utility model relates to a connecting pin rod technical field specifically is a quick detach pin rod for connecting hole.

Background

At engineering machine tool manufacturing industry, when two foraminiferous connecting pieces need link the location fast, often adopt modes such as bolt and round pin axle to connect, this kind of connected mode operation is inconvenient, need appurtenance to carry out cooperation work, when the connecting piece needs frequent disconnection, mode such as bolt and round pin axle is connected and can not be fast plug connection, the dismouting is troublesome, reduce work efficiency, be not suitable for the high-speed joint location, and operating personnel's finger needs and the contact of external connection spare when connecting, the in-process finger of dismouting receives the extrusion very easily, the operation is inconvenient, there is certain risk, can't satisfy the demand in the in-service use, so urgent need can the modified technique on the market, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a quick detach pin rod for connecting hole, structural design is novel, is applicable to the place that often needs the disconnect-making, does not need the specialized tool cooperation, and single-hand is operatable, avoids finger extruded risk, can the high-speed joint location, and modular structure designs, easy processing, and the equipment is convenient, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick-release pin rod for a connecting hole comprises a pin rod, a connecting sleeve, a reciprocating pin rod and an anti-clamping mechanism, wherein a spring hole is formed in the right end of the pin rod, a spring is arranged in the spring hole, the right end of the reciprocating pin rod is inserted into the pin rod, a limiting sleeve is arranged at the right end of the reciprocating pin rod and is abutted against the right end of the spring, the limiting sleeve is slidably connected with the inner wall of the spring hole, the connecting sleeve is connected with the right end of the pin rod in a threaded mode, a pressing head is connected at the right end of the limiting sleeve through threads, the right end of the pressing head penetrates to the outer side of the connecting sleeve, the anti-clamping mechanism comprises a holding ring and a trigger, the holding ring is in threaded connection with the right end of the connecting sleeve, a connecting frame is arranged at the bottom of the inner side of the holding ring, the trigger is connected with a pin, the lower part of the trigger is arranged in a biased cam structure, a biased cam of the trigger is abutted against the right end of the pressing head, a ball hole is formed in the left surface of the pin rod, the ball hole is internally provided with a steel ball, and the surface of the left side of the reciprocating pin rod is provided with an annular groove corresponding to the steel ball.

Further, be provided with excessive inclined plane on the reciprocal pin rod, excessive inclined plane is connected with the ring channel, and the steel ball business turn over ring channel of being convenient for through excessive inclined plane, the ring channel is accomodate the steel ball, and then makes the pin rod surface level and smooth, and the pin rod of being convenient for inserts in the connecting hole.

Furthermore, the adapter sleeve left end pin rod be provided with spacing ring I on the surface, be provided with spacing ring II on the spacing sleeve, spacing ring II and the inside sliding connection of adapter sleeve, the spacing sleeve passes through the mode of screw thread to be connected with reciprocal pin rod, through the degree of depth that II restriction reciprocal pin rods of spacing ring pressed, prevents to exert oneself excessively for structure safety more.

Furthermore, the diameter of stop collar is greater than the diameter of reciprocal pin pole, restricts the right-hand member of spring through the stop collar, is convenient for link together press head and reciprocal pin pole simultaneously for connect safe and reliable.

Compared with the prior art, the beneficial effects of the utility model are that: this a quick detach pin rod for connecting hole has following benefit:

1. the utility model discloses on set up the press head, but make this device one-hand operation through holding the ring, convenient operation prevents to point and connecting piece contact, avoids being by extruded risk, and through the trigger of pulling, the trigger promotes the press head through the biasing cam structure of lower part and removes, and then drives reciprocal pin rod motion for one-hand operation is easier.

2. The utility model discloses on set up excessive inclined plane, be convenient for the steel ball business turn over ring channel through excessive inclined plane, the ring channel is accomodate the steel ball, and then makes the pin rod surface level and smooth, and in the pin rod of being convenient for inserted the connecting hole, the right-hand member to the spring through the stop collar restricted, is convenient for link together press head and reciprocal pin rod simultaneously for connect safe and reliable.

3. The utility model discloses on set up spacing ring II, through the degree of depth that II restriction reciprocating pin poles of spacing ring were pressed, prevent to exert oneself excessively for structure safety more, the utility model discloses structural design is novel, is applicable to the place that often needs the disconnect-connection, does not need the specialized tool cooperation, and one-hand is operatable, avoids pointing extruded risk, can the high-speed joint location, and modular structure designs, and easy processing assembles the convenience.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 pin rod, 2 spring holes, 3 springs, 4 limiting rings I, 5 pressing heads, 6 connecting sleeves, 7 limiting rings II, 8 reciprocating pin rods, 9 steel balls, 10 ball holes, 11 transition inclined planes, 12 annular grooves, 13 anti-clamping mechanisms, 131 pins, 132 connecting frames, 133 triggers, 134 holding rings and 14 limiting sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1, the present invention provides a technical solution: a quick-release pin rod for a connecting hole comprises a pin rod 1, a connecting sleeve 6, a reciprocating pin rod 8 and an anti-pinch mechanism 13, wherein a spring hole 2 is formed in the right end of the pin rod 1, a spring 3 is installed in the spring hole 2, the right end of the reciprocating pin rod 8 is inserted into the pin rod 1, a limiting sleeve 14 is arranged at the right end of the reciprocating pin rod 8, the diameter of the limiting sleeve 14 is larger than that of the reciprocating pin rod 8, the right end of the spring 3 is limited through the limiting sleeve 14, meanwhile, a pressing head 5 is conveniently connected with the reciprocating pin rod 8, so that the connection is safe and reliable, the limiting sleeve 14 is abutted against the right end of the spring 3, the limiting sleeve 14 is in sliding connection with the inner wall of the spring hole 2, the connecting sleeve 6 is connected with the right end of the pin rod 1 in a threaded mode, the right end of the limiting sleeve 14 is connected with the pressing head 5 in a threaded mode, the right end of the pressing head 5 penetrates to the outer side of the connecting sleeve 6, a limiting ring I4 is arranged on the surface of the pin rod 1 at the left end of the connecting sleeve 6, the limiting sleeve 14 is provided with a limiting ring II 7, the limiting ring II 7 is connected with the inner part of the connecting sleeve 6 in a sliding manner, the limiting sleeve 14 is connected with the reciprocating pin 8 in a threaded manner, the pressing depth of the reciprocating pin 8 is limited through the limiting ring II 7, excessive force is prevented, the structure is safer, the anti-clamping mechanism 13 comprises a holding ring 134 and a trigger 133, the holding ring 134 is in threaded connection with the right end of the connecting sleeve 6, the bottom of the inner side of the holding ring 134 is provided with a connecting frame 132, the trigger 133 is connected with a pin 131 through the connecting frame 132, the lower part of the trigger 133 is provided with a bias cam structure, a bias cam of the trigger 133 is abutted against the right end of the pressing head 5, the device can be operated by one hand through the holding ring 134, the operation is convenient, the contact between fingers and a connecting piece is prevented, the risk of extrusion is avoided, by pressing the trigger 133, the trigger 133 pushes the pressing head 5 to move through the bias cam structure at the lower part, so as to drive the reciprocating pin 8 to move, make one-hand operation easier, be provided with ball hole 10 on the surface of pin 1 left side, be provided with steel ball 9 in the ball hole 10, be provided with ring channel 12 corresponding with steel ball 9 on the surface of 8 left sides of reciprocal pin, be provided with excessive inclined plane 11 on the reciprocal pin 8, excessive inclined plane 11 is connected with ring channel 12, be convenient for steel ball 9 business turn over ring channel 12 through excessive inclined plane 11, ring channel 12 is accomodate steel ball 9, and then make pin 1 surface level and smooth, be convenient for pin 1 to insert in the connecting hole.

When in use: the holding ring 134 is held by one hand, the left end of the pin rod 1 is aligned to the connecting hole, the holding ring 134 enables the device to be operated by one hand, the operation is convenient, the contact between fingers and a connecting piece is prevented, the risk of extrusion is avoided, the trigger 133 is pulled, the trigger 133 pushes the pressing head 5 to move through a bias cam structure of the lower part, the reciprocating pin rod 8 is further driven to move, the steel ball 9 falls into the annular groove 12 through the inclined plane 11, the left end of the pin rod 1 is inserted into the connecting hole at the moment, then the trigger 133 is loosened, the reciprocating pin rod 8 is driven to move to the right under the action force of the spring 3, the retracted steel ball 9 is ejected out, the steel ball is clamped at the outer edge of the hole, the steel ball 9 is prevented from dropping due to axial movement, the inclined plane 11 is convenient for the steel ball 9 to enter and exit from the annular groove 12, the annular groove 12 is used for accommodating the steel ball 9, the outer surface of the pin rod 1 is further smooth, and the pin rod 1 can be conveniently inserted into the connecting hole.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick detach pin rod for connecting hole, includes pin rod (1), adapter sleeve (6), reciprocal pin rod (8) and prevents pressing from both sides mechanism (13), its characterized in that: the anti-pinch device is characterized in that a spring hole (2) is formed in the right end of the pin rod (1), a spring (3) is installed in the spring hole (2), the right end of the reciprocating pin rod (8) is inserted into the pin rod (1), a limiting sleeve (14) is arranged at the right end of the reciprocating pin rod (8), the limiting sleeve (14) is abutted against the right end of the spring (3), the limiting sleeve (14) is slidably connected with the inner wall of the spring hole (2), the connecting sleeve (6) is connected with the right end of the pin rod (1) in a threaded mode, the right end of the limiting sleeve (14) is connected with a pressing head (5) through threads, the right end of the pressing head (5) penetrates into the outer side of the connecting sleeve (6), the anti-pinch mechanism (13) comprises a holding ring (134) and a trigger (133), the holding ring (134) is in threaded connection with the right end of the connecting sleeve (6), a connecting frame (132) is arranged at the bottom of the inner side of the holding ring (134), and the trigger (133) is connected with the connecting frame (132) through a pin (131), the lower portion of the trigger (133) is of a biased cam structure, a biased cam of the trigger (133) is abutted to the right end of the pressing head (5), a ball hole (10) is formed in the surface of the left side of the pin rod (1), a steel ball (9) is arranged in the ball hole (10), and an annular groove (12) corresponding to the steel ball (9) is formed in the surface of the left side of the reciprocating pin rod (8).

2. The quick release pin rod for the connecting hole according to claim 1, wherein: the reciprocating pin rod (8) is provided with a transition inclined plane (11), and the transition inclined plane (11) is connected with the annular groove (12).

3. The quick release pin rod for the connecting hole according to claim 1, wherein: a limiting ring I (4) is arranged on the surface of the pin rod (1) at the left end of the connecting sleeve (6), a limiting ring II (7) is arranged on the limiting sleeve (14), the limiting ring II (7) is connected with the connecting sleeve (6) in a sliding mode, and the limiting sleeve (14) is connected with the reciprocating pin rod (8) in a threaded mode.

4. The quick release pin rod for the connecting hole according to claim 1, wherein: the diameter of the limiting sleeve (14) is larger than that of the reciprocating pin rod (8).