CN218913412U

CN218913412U - Connection structure capable of quickly disassembling and assembling pin shaft

Info

Publication number: CN218913412U
Application number: CN202223142813.3U
Authority: CN
Inventors: 徐盛; 孙锐锐
Original assignee: Jiangsu Ouwei Engineering Technology Co ltd
Current assignee: Jiangsu Ouwei Engineering Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-25
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a connecting structure capable of quickly disassembling and assembling a pin shaft, which comprises a fixing piece, wherein a connecting structure is arranged outside the fixing piece, a fixing structure is arranged above the fixing piece, the connecting structure comprises a guide pin, the bottom of the guide pin is fixedly connected with the top of the fixing piece, the pin shaft is tightly attached to the inside of the guide pin, an electric telescopic rod is fixedly arranged at the bottom of the fixing piece, a connecting rod is fixedly arranged between the top of the electric telescopic rod telescopic shaft and the bottom of the pin shaft, a connecting member is rotatably arranged on the outer surface of the pin shaft, an installation shell is fixedly arranged on the front surface of the guide pin, and shells are fixedly arranged on the left side wall and the right side wall of an inner cavity of the installation shell. This but connection structure of quick assembly disassembly round pin axle through being provided with connection structure, has reached the purpose of carrying out the dismouting to the round pin axle fast, does not need the manual work to fix a position the round pin axle, has improved the efficiency of round pin axle dismouting.

Description

Connection structure capable of quickly disassembling and assembling pin shaft

Technical Field

The utility model relates to the technical field of pin shafts, in particular to a connecting structure capable of quickly disassembling and assembling pin shafts.

Background

The connection between the parts in the engineering machinery mainly adopts the forms of pin shaft connection or bolt connection, etc., the conventional pin shaft connection forms, in the process of installing and dismantling the pin shaft, the pin shaft can be smoothly disassembled and assembled by manually and repeatedly adjusting the positions of two connected parts, after the pin shaft is installed in place, in order to prevent the pin shaft from rotating or moving, round nuts are generally adopted to lock, or holes are designed on the pin shaft, and the pin shaft is fixed on a connected structural member through bolts.

According to the pin shaft connecting structure convenient to disassemble and assemble, as disclosed in the publication No. CN214661366U, the effect of easy disassembly and assembly of the device is achieved by arranging the first screw groove, the screw cap and the screw column, the screw column is movably arranged in the first screw groove, the position of the mounting hole, which is required to be found by the device, is avoided, the assembly time is saved, the assembly efficiency is improved, the pin shaft is positioned and assembled manually, the efficiency of disassembling and assembling the pin shaft is not high, the practicability of the pin shaft connecting structure is reduced, and the connecting structure capable of quickly disassembling and assembling the pin shaft is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a connecting structure capable of quickly disassembling and assembling a pin shaft, which has the advantage of automatically positioning and installing the pin shaft, and solves the problems that the pin shaft connecting structure needs to manually position and install the pin shaft, the efficiency of disassembling and assembling the pin shaft is not high, and the practicability of the pin shaft connecting structure is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the connecting structure comprises a fixing piece, wherein a connecting structure is arranged outside the fixing piece, and a fixing structure is arranged above the fixing piece;

the connecting structure comprises a guide pin, the bottom of the guide pin is fixedly connected with the top of a fixing piece, a pin shaft is tightly attached to the inside of the guide pin, an electric telescopic rod is fixedly installed at the bottom of the fixing piece, a connecting rod is fixedly installed between the top of the electric telescopic rod telescopic shaft and the bottom of the pin shaft, a connecting member is rotatably installed on the outer surface of the pin shaft, an installation shell is fixedly installed on the front surface of the guide pin, and shells are fixedly installed on the left side wall and the right side wall of an inner cavity of the installation shell.

Further, fixed knot constructs including the motor, the bottom of motor and the interior bottom wall fixed connection of installation shell, the output shaft of motor passes through shaft coupling fixedly connected with two axis of rotation, two the inside of shell is all slidable mounting has one end to run through and extends to its outside sleeve, two telescopic top and bottom are all fixed mounting have the slider, two telescopic inside is all threaded mounting has one end to run through and extend to the inside threaded rod of shell, two the surface of threaded rod has synchronous belt with the surface of two axis of rotation closely laminating respectively.

Further, the guide pin and the connecting member are provided with mounting holes, and the sizes of the two mounting holes are matched with the sizes of the pin shafts.

Further, the inner cavity left and right side walls of the installation shell are fixedly provided with rotating seats, and the inner surfaces of the two rotating seats are respectively connected with opposite sides of the two rotating shafts in a rotating way.

Further, the inner top wall and the inner bottom wall of the shell are both provided with sliding grooves, and the inner surfaces of the two sliding grooves are respectively in sliding connection with the outer surfaces of the two sliding blocks.

Further, threaded holes are formed in the two sleeves, and the inner surfaces of the two sleeves are respectively in threaded connection with the outer surfaces of the two threaded rods.

Further, the belt pulleys are fixedly arranged on the outer surfaces of the threaded rod and the rotating shaft, and the outer surfaces of the two belt pulleys are rotationally connected with the inner surface of the synchronous belt.

Further, the left side and the right side of the pin shaft are provided with fixing grooves, and the inner surfaces of the two fixing grooves are respectively tightly attached to the outer surfaces of the two sleeves.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this but connection structure of quick assembly disassembly round pin axle has reached the purpose of carrying out the dismouting to the round pin axle fast through being provided with connection structure, does not need the manual work to fix a position the round pin axle, has improved the efficiency of round pin axle dismouting, through being provided with fixed knot structure, plays the effect of fixing the round pin axle, prevents round pin axle rotation or drunkenness, does not need to use extra assembly and disassembly tools.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a left side cross-sectional view of the structure of the present utility model, fig. 1.

In the figure: 1 fixing piece, 2 connecting structure, 201 guide pin, 202 pin shaft, 203 electric telescopic rod, 204 connecting rod, 205 connecting member, 206 installation shell, 207 outer shell, 3 fixing structure, 301 motor, 302 rotation shaft, 303 sleeve, 304 slide block, 305 threaded rod, 306 synchronous belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1 and 3, a connection structure capable of being quickly assembled and disassembled includes a fixing member 1, a connection structure 2 is arranged outside the fixing member 1, a fixing structure 3 is arranged above the fixing member 1, the connection structure 2 includes a guide pin 201, and the bottom of the guide pin 201 is fixedly connected with the top of the fixing member 1.

In this embodiment, a pin shaft 202 with one end penetrating and extending to the outside is tightly attached to the inside of the guide pin 201, an electric telescopic rod 203 is fixedly installed at the bottom of the fixing piece 1, a connecting rod 204 is fixedly installed between the top of the telescopic shaft of the electric telescopic rod 203 and the bottom of the pin shaft 202, the electric telescopic rod 203 drives the pin shaft 202 to move through the connecting rod 204, a connecting member 205 is rotatably installed on the outer surface of the pin shaft 202, and the pin shaft 202 connects the guide pin 201 and the connecting member 205.

Wherein, the inside of guide pin 201 and connecting element 205 has all been seted up the mounting hole, and two mounting hole sizes and the size looks adaptation of round pin axle 202 make things convenient for the installation of round pin axle 202.

In this embodiment, the front surface of the guide pin 201 is fixedly provided with a mounting shell 206, and both the left and right side walls of the inner cavity of the mounting shell 206 are fixedly provided with a housing 207.

It should be noted that the present utility model is suitable for connection between parts in engineering machinery, such as engineering equipment including cranes, etc.

Specifically, the electric telescopic rod 203 is started, the pin shaft 202 is driven to move towards the front through the connecting rod 204, the connecting member 205 is not connected any more, the guide pin 201 and the connecting member 205 are connected through the pin shaft 202, the purpose of rapidly disassembling and assembling the pin shaft 202 is achieved, the pin shaft 202 is not required to be positioned manually, and the disassembling and assembling efficiency of the pin shaft 202 is improved.

Embodiment two: referring to fig. 1 and 2, on the basis of the first embodiment, the fixing structure 3 includes a motor 301, which is a power source of the fixing structure 3, the bottom of the motor 301 is fixedly connected with the inner bottom wall of the mounting shell 206, an output shaft of the motor 301 is fixedly connected with two rotating shafts 302 through a coupling, and the motor 301 drives the rotating shafts 302 to rotate.

In this embodiment, the two casings 207 are slidably provided with sleeves 303, one ends of the sleeves 303 penetrate through and extend to the outer surfaces of the two casings 207, sliding blocks 304 are fixedly installed at the top and the bottom of the two sleeves 303, limiting is performed on the sleeves 303, threaded rods 305, one ends of the threaded rods 305 penetrate through and extend to the inner surfaces of the casings 207, are installed in the two sleeves 303 in a threaded manner, the sleeves 303 are driven to move, synchronous belts 306 are tightly attached to the outer surfaces of the two threaded rods 305 respectively, and the rotating shafts 302 drive the threaded rods 305 to rotate through the synchronous belts 306.

Wherein, the inner cavity left and right sides wall of the installation shell 206 is fixedly provided with a rotation seat, and the inner surfaces of the two rotation seats are respectively connected with opposite sides of the two rotation shafts 302 in a rotation way, so that the installation of the rotation shafts 302 is facilitated.

The inner top wall and the inner bottom wall of the housing 207 are both provided with sliding grooves, and the inner surfaces of the two sliding grooves are respectively slidably connected with the outer surfaces of the two sliding blocks 304, so that the sliding blocks 304 are convenient to install.

Wherein, screw holes are all offered to the inside of two sleeves 303, and the internal surface of two sleeves 303 is connected with the surface screw thread of two threaded rods 305 respectively, makes things convenient for the installation of sleeve 303.

The outer surface of the threaded rod 305 and the outer surface of the rotating shaft 302 are fixedly provided with belt pulleys, and the outer surfaces of the two belt pulleys are rotationally connected with the inner surface of the synchronous belt 306, so that the synchronous belt 306 is convenient to install.

The left and right sides of the pin 202 are provided with fixing grooves, and the inner surfaces of the two fixing grooves are respectively and tightly attached to the outer surfaces of the two sleeves 303, so that the pin 202 is conveniently fixed.

Specifically, the motor 301 is started to drive the rotating shaft 302 to rotate, and the threaded rod 305 is driven to rotate by the synchronous belt 306, so that the sleeve 303 is retracted towards the inside of the housing 207 by the sliding block 304, the pin 202 is not fixed, the pin 202 is prevented from rotating or moving, and no additional disassembly tools are needed.

The working principle of the embodiment is as follows:

(1) When the guide pin 201 and the connecting member 205 of the crane are detached, the motor 301 is started to drive the rotating shaft 302 to rotate, and the threaded rod 305 is driven to rotate by the timing belt 306, so that the sleeve 303 is retracted into the housing 207 through the slider 304, and the pin 202 is not fixed.

(2) The electric telescopic rod 203 is started, the pin shaft 202 is driven to move towards the front through the connecting rod 204, the connecting member 205 is not connected, the pin shaft 202 cannot move to the outside of the guide pin 201, and the pin shaft 202 does not need to be positioned when the connecting member 205 is connected.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a but connection structure of quick assembly disassembly round pin axle, includes mounting (1), its characterized in that: the connecting structure (2) is arranged outside the fixing piece (1), and the fixing structure (3) is arranged above the fixing piece (1);

connection structure (2) are including guide pin (201), the bottom of guide pin (201) and the top fixed connection of mounting (1), the inside of guide pin (201) closely laminates there is round pin axle (202), the bottom fixed mounting of mounting (1) has electric telescopic handle (203), fixed mounting has connecting rod (204) between the top of electric telescopic handle (203) telescopic shaft and the bottom of round pin axle (202), connecting member (205) are installed in the surface rotation of round pin axle (202), the front fixed mounting of guide pin (201) has installation shell (206), both sides wall all fixed mounting has shell (207) about the inner chamber of installation shell (206).

2. The connecting structure of a pin shaft capable of being quickly disassembled and assembled according to claim 1, wherein: the utility model provides a fixed knot constructs (3) including motor (301), the bottom of motor (301) and the interior bottom wall fixed connection of installation shell (206), the output shaft of motor (301) passes through shaft coupling fixedly connected with two axis of rotation (302), two the inside equal slidable mounting of shell (207) has one end to run through and extend to sleeve (303) of its outside, two the equal fixed mounting in top and bottom of sleeve (303) has slider (304), two the inside equal screw thread of sleeve (303) installs one end and runs through and extend to threaded rod (305) of shell (207) inside, two the surface of threaded rod (305) is closely laminated with synchronous belt (306) with the surface of two axis of rotation (302) respectively.

3. The connecting structure of a pin shaft capable of being quickly disassembled and assembled according to claim 1, wherein: mounting holes are formed in the guide pin (201) and the connecting member (205), and the size of each mounting hole is matched with the size of the pin shaft (202).

4. The connecting structure of the pin shaft capable of being quickly disassembled and assembled according to claim 2, wherein: the inner cavity left and right side walls of the mounting shell (206) are fixedly provided with rotating seats, and the inner surfaces of the two rotating seats are respectively connected with one sides of the two rotating shafts (302) opposite to each other in a rotating way.

5. The connecting structure of the pin shaft capable of being quickly disassembled and assembled according to claim 2, wherein: the inner top wall and the inner bottom wall of the shell (207) are respectively provided with a sliding groove, and the inner surfaces of the two sliding grooves are respectively connected with the outer surfaces of the two sliding blocks (304) in a sliding way.

6. The connecting structure of the pin shaft capable of being quickly disassembled and assembled according to claim 2, wherein: threaded holes are formed in the two sleeves (303), and the inner surfaces of the two sleeves (303) are respectively in threaded connection with the outer surfaces of the two threaded rods (305).

7. The connecting structure of the pin shaft capable of being quickly disassembled and assembled according to claim 2, wherein: the outer surface of the threaded rod (305) and the outer surface of the rotating shaft (302) are fixedly provided with belt pulleys, and the outer surfaces of the two belt pulleys are rotatably connected with the inner surface of the synchronous belt (306).

8. The connecting structure of the pin shaft capable of being quickly disassembled and assembled according to claim 2, wherein: fixing grooves are formed in the left side and the right side of the pin shaft (202), and the inner surfaces of the two fixing grooves are respectively and tightly attached to the outer surfaces of the two sleeves (303).