CN212055342U

CN212055342U - Quick crossover sub of doublestage hydro-cylinder

Info

Publication number: CN212055342U
Application number: CN202020753601.0U
Authority: CN
Inventors: 闵剑庭; 邹昌建; 丁辉
Original assignee: Shanghai Longzeng Hydraulic Equipment Manufacture Co ltd
Current assignee: Shanghai Longzeng Hydraulic Equipment Manufacture Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-01
Anticipated expiration: 2030-05-09

Abstract

The utility model belongs to the field of conversion joints, in particular to a rapid conversion joint of a two-stage oil cylinder, aiming at the problems that the prior rapid conversion joint of the two-stage oil cylinder is troublesome to install with the two-stage oil cylinder, is not tightly connected, is easy to fall off and influences the use of the two-stage oil cylinder, the rapid conversion joint of the two-stage oil cylinder comprises a two-stage oil cylinder main body and a conversion joint main body, wherein both sides of the conversion joint main body are fixedly connected with installation seats, two installation cavities are respectively arranged on the two installation seats, moving plates are respectively arranged on the two installation cavities, the tops of the two moving plates respectively penetrate through the top inner walls of the two installation cavities and respectively extend to the tops of the two installation seats, and the bottoms of the two moving plates are respectively and fixedly connected with a connecting plate, the rapid conversion joint main body can be installed on the two-stage oil, and the connection is tight, the falling is not easy to occur, and the use is convenient.

Description

Quick crossover sub of doublestage hydro-cylinder

Technical Field

The utility model relates to an adapter technical field especially relates to a quick adapter of doublestage hydro-cylinder.

Background

The double-stage oil cylinder is also called as a telescopic oil cylinder and is formed by sleeving two-stage or multi-stage piston cylinders and mainly comprises a cylinder cover, a cylinder barrel, a sleeve, a piston and other parts, and the conventional double-stage oil cylinder needs to be provided with a conversion joint when in use.

The existing quick conversion joint of the double-stage oil cylinder is troublesome to install with the double-stage oil cylinder, is not tightly connected, is easy to fall off, and influences the use of the double-stage oil cylinder, so that the quick conversion joint of the double-stage oil cylinder is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the quick change-over joint of the existing double-stage oil cylinder in the prior art is more troublesome when being installed with the double-stage oil cylinder, and the connection is not tight, and the easy falling occurs, influences the shortcoming of the use of the double-stage oil cylinder, and provides the quick change-over joint of the double-stage oil cylinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rapid conversion joint of a two-stage oil cylinder comprises a two-stage oil cylinder main body and a conversion joint main body, wherein two sides of the conversion joint main body are fixedly connected with mounting seats, mounting cavities are arranged on the two mounting seats, moving plates are arranged on the two mounting cavities, the tops of the two moving plates respectively penetrate through the top inner walls of the two mounting cavities and respectively extend to the positions above the tops of the two mounting seats, connecting plates are fixedly connected to the bottoms of the two moving plates, two positioning columns are symmetrically and fixedly connected to the bottoms of the two connecting plates, four positioning grooves are symmetrically formed in the top of the two-stage oil cylinder main body, the bottom ends of the four positioning columns respectively penetrate through the bottom inner walls of the mounting cavities and are respectively clamped with the four positioning grooves, fixing components are arranged in the two mounting cavities, and the conversion joint main body can be rapidly mounted on, and the connection is tight, the falling is not easy to occur, and the use is convenient.

Preferably, the fixed component comprises two rotating shafts which are symmetrically and rotatably connected to the installation cavity, two threaded plates are symmetrically and threadedly connected to the rotating shafts, the threads of the two threaded plates are opposite, one sides of the two threaded plates are rotatably connected with connecting rods, two sliding plates are symmetrically and slidably connected to the inner wall of the top of the installation cavity, one ends, close to each other, of the four connecting rods are rotatably connected to one sides, far away from each other, of the two sliding plates, two clamping pins are symmetrically and fixedly connected to one sides, close to each other, of the two sliding plates, two clamping grooves are symmetrically formed in two sides of the moving plate, the clamping pins are clamped with the clamping grooves, the two threaded plates can move towards the directions close to each other through rotation of the rotating shafts, the sliding plates can move under the action of the two connecting rods, the two sliding plates can respectively enable the clamping pins to be close to, the movable plate is fixed, so that the movable plate cannot move randomly, and the position of the adapter main body is more stable.

Preferably, two telescopic links of symmetry fixedly connected with on the bottom inner wall of installation cavity, the top of two telescopic links all with the bottom fixed connection of connecting plate, the telescopic link can make the connecting plate can steadily remove, can not take place the offset.

Preferably, the inner walls of two sides of the installation cavity are provided with sliding grooves, one side, away from each other, of each of the four threaded plates is in sliding connection with the inner wall of one side of each of the two sliding grooves, and the sliding grooves can enable the threaded plates to move longitudinally only and cannot generate position deviation.

Preferably, equal fixedly connected with backup pad on the both sides inner wall of installation cavity, the bottom of two pivots rotates with the top of two backup pads respectively to be connected, the equal fixedly connected with slide rail in top of two backup pads, the bottom of two sliding plates respectively with two slide rail sliding connection, the backup pad can make the pivot more convenient the rotation, and the slide rail can make the more smooth-going removal of sliding plate.

The utility model discloses in, a quick crossover sub of doublestage hydro-cylinder owing to set up the movable plate, can make the connecting plate move down through promoting the movable plate downwards, and then can make reference column and positioning groove clamp mutually, can install the crossover sub main part on the doublestage hydro-cylinder fast like this, and connect closely, be difficult to take place to drop, facilitate the use.

Due to the fact that the rotating shaft is arranged, the two threaded plates can move towards the mutually close direction through rotation of the rotating shaft, the sliding plates can move under the action of the two connecting rods, the clamping pins can be respectively close to the two sliding plates, and then the two sliding plates can be clamped with the clamping grooves, the moving plate is fixed, the moving plate cannot move randomly, and therefore the position of the conversion connector main body can be more stable.

The utility model discloses rational in infrastructure, easy operation through promoting the movable plate downwards, can install the crossover sub main part on doublestage hydro-cylinder fast, and connect closely, is difficult to take place to drop facilitates the use.

Drawings

Fig. 1 is a schematic view of a double-stage cylinder quick switching joint according to the present invention;

fig. 2 is a schematic view of a sectional structure of a mounting seat of a rapid adapter for a two-stage cylinder according to the present invention;

fig. 3 is a schematic diagram of a local three-dimensional structure of a two-stage cylinder quick-switching joint according to the present invention.

In the figure: the hydraulic cylinder comprises a 1 double-stage oil cylinder main body, a 2 conversion joint main body, a 3 mounting seat, a 4 mounting cavity, a 5 moving plate, a 6 connecting plate, a 7 positioning column, an 8 rotating shaft, a 9 thread plate, a 10 connecting rod, a 11 sliding plate, a 12 clamping pin, a 13 telescopic rod, a 14 sliding groove, a 15 supporting plate and a 16 sliding rail.

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.

Example one

Referring to fig. 1-3, a two-stage oil cylinder fast conversion adapter comprises a two-stage oil cylinder main body 1 and a conversion adapter main body 2, wherein both sides of the conversion adapter main body 2 are fixedly connected with mounting seats 3, mounting cavities 4 are respectively arranged on the two mounting seats 3, moving plates 5 are respectively arranged on the two mounting cavities 4, the tops of the two moving plates 5 respectively penetrate through the top inner walls of the two mounting cavities 4 and respectively extend to the upper parts of the tops of the two mounting seats 3, the bottoms of the two moving plates 5 are respectively and fixedly connected with connecting plates 6, the bottoms of the two connecting plates 6 are respectively and symmetrically and fixedly connected with two positioning columns 7, four positioning grooves are symmetrically arranged on the top of the two-stage oil cylinder main body 1, the bottom ends of the four positioning columns 7 respectively penetrate through the bottom inner walls of the mounting cavities 4 and are respectively clamped with the four positioning grooves, a, the adapter main body 2 can be quickly installed on the double-stage oil cylinder 1 and is tightly connected, so that the adapter main body is not easy to fall off and convenient to use, the movable plate 5 is arranged, the connecting plate 6 can be moved downwards by pushing the movable plate 5 downwards, and the positioning column 7 can be clamped with the positioning groove, so that the adapter main body 2 can be quickly installed on the double-stage oil cylinder 1 and is tightly connected, so that the adapter main body is not easy to fall off and convenient to use, the rotating shaft 8 is arranged, the two thread plates 9 can be moved towards the mutually approaching direction by the rotation of the rotating shaft 8, the sliding plates 11 can be moved under the action of the two connecting rods 10, the two sliding plates 11 can respectively enable the clamping pins 12 to approach each other and can be clamped with the clamping grooves, the movable plate 5 is fixed, so that the movable plate 5 cannot move randomly, and the position of the adapter main body 2 can be more stable, the utility model discloses rational in infrastructure, easy operation through promoting movable plate 5 downwards, can install change joint main part 2 on doublestage hydro-cylinder 1 fast, and connect closely, is difficult to take place to drop facilitates the use.

Example two

In the utility model, the fixed component comprises two rotating shafts 8 which are symmetrically and rotatably connected on the installation cavity 4, two thread plates 9 are symmetrically and threadedly connected on the rotating shafts 8, the threads of the two thread plates 9 are opposite, one sides of the two thread plates 9 are rotatably connected with connecting rods 10, two sliding plates 11 are symmetrically and slidably connected on the inner wall of the top of the installation cavity 4, one ends of the four connecting rods 10 which are close to each other are rotatably connected with one sides of the two sliding plates 11 which are far away from each other, two clamping pins 12 are symmetrically and fixedly connected with one sides of the two sliding plates 11 which are close to each other, two clamping grooves are symmetrically formed on both sides of the moving plate 5, the clamping pins 12 are clamped with the clamping grooves, the two thread plates 9 can be moved towards the directions which are close to each other by rotating the rotating shafts 8, the sliding plates 11 can be moved under the action of the two connecting rods 10, and then can be blocked with the draw-in groove mutually and adorn, fix movable plate 5, make movable plate 5 can not take place random removal to can make the position of crossover sub main part 2 more stable.

The utility model discloses in, two telescopic links 13 of symmetry fixedly connected with on the bottom inner wall of installation cavity 4, the top of two telescopic links 13 all with the bottom fixed connection of connecting plate 6, telescopic link 13 can make connecting plate 6 can steady movement, can not take place the offset.

The utility model discloses in, all seted up spout 14 on the both sides inner wall of installation cavity 4, one side that four thread plates 9 kept away from each other respectively with one side inner wall sliding connection of two spout 14, spout 14 can make thread plate 9 can only longitudinal movement, can not take place the offset.

The utility model discloses in, equal fixedly connected with backup pad 15 on the both sides inner wall of installation cavity 4, the bottom of two pivots 8 rotates with the top of two backup pads 15 respectively to be connected, the equal fixedly connected with slide rail 16 in top of two backup pads 15, the bottom of two sliding plates 11 respectively with two slide rail 16 sliding connection, backup pad 15 can make pivot 8 more conveniently rotate, and slide rail 16 can make the more smooth-going removal of sliding plate 11.

In the utility model, when in specific use, firstly, the bottom of the conversion joint main body 2 is hermetically connected with the top of the double-stage oil cylinder main body 1, then the moving plate 5 is pushed downwards respectively, the two moving plates 5 can make the two connecting plates 6 move downwards, the two connecting plates 6 can make the four positioning columns 7 be clamped with the four positioning grooves respectively, when the moving plate 5 is not pushed, the four positioning columns 7 are completely clamped with the four positioning grooves, at the moment, the clamping grooves on the moving plate 5 just correspond to the clamping pins 12, at the moment, the rotating shaft 8 is rotated, because the rotating shaft 8 is in threaded connection with the two threaded plates 9, and the threads of the two threaded plates 9 are opposite, the rotating shaft 8 can make the two threaded plates 9 move towards the direction close to each other, under the action of the two connecting rods 10, the sliding plates 11 can be moved, so that the two sliding plates 11 can be moved towards, and then the bayonet 12 and the bayonet are clamped, and the position of the moving plate 5 is fixed, so that the conversion joint body 2 can be quickly installed on the double-stage oil cylinder body 1, and the connection is tight, and the falling is not easy to occur.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A double-stage oil cylinder quick conversion joint comprises a double-stage oil cylinder main body (1) and a conversion joint main body (2), and is characterized in that two sides of the conversion joint main body (2) are fixedly connected with mounting seats (3), mounting cavities (4) are arranged on the two mounting seats (3), moving plates (5) are arranged on the two mounting cavities (4), the tops of the two moving plates (5) respectively penetrate through the inner walls of the tops of the two mounting cavities (4) and respectively extend above the tops of the two mounting seats (3), the bottoms of the two moving plates (5) are respectively and fixedly connected with connecting plates (6), the bottoms of the two connecting plates (6) are respectively and symmetrically and fixedly connected with two positioning columns (7), the top of the double-stage oil cylinder main body (1) is symmetrically provided with four positioning grooves, the bottoms of the four positioning columns (7) respectively penetrate through the inner walls of the bottoms of the mounting cavities (4) and are respectively clamped, fixed components are arranged in the two mounting cavities (4).

2. The quick change-over joint for two-stage cylinders according to claim 1, the fixing component comprises two rotating shafts (8) which are symmetrically and rotatably connected on the mounting chamber (4), two thread plates (9) are symmetrically and threadedly connected on the rotating shafts (8), the threads of the two thread plates (9) are opposite, one side of each thread plate (9) is rotatably connected with a connecting rod (10), two sliding plates (11) are symmetrically and slidably connected to the inner wall of the top of the mounting chamber (4), one ends of the four connecting rods (10) close to each other are respectively rotatably connected with one sides of the two sliding plates (11) far away from each other, two clamping pins (12) are symmetrically and fixedly connected to one sides of the two sliding plates (11) close to each other, two clamping grooves are symmetrically formed in the two sides of the moving plate (5), and the clamping pins (12) are clamped with the clamping grooves.

3. The quick changeover joint for the two-stage oil cylinder according to claim 1, characterized in that two telescopic rods (13) are symmetrically and fixedly connected to the inner wall of the bottom of the installation chamber (4), and the top ends of the two telescopic rods (13) are fixedly connected to the bottom of the connecting plate (6).

4. The quick changeover joint for the two-stage oil cylinder according to claim 1, wherein the inner walls of the two sides of the mounting chamber (4) are both provided with sliding grooves (14), and the sides of the four threaded plates (9) away from each other are respectively connected with the inner walls of one side of the two sliding grooves (14) in a sliding manner.

5. The quick changeover joint for the two-stage oil cylinder according to claim 1, wherein the inner walls of the two sides of the installation chamber (4) are fixedly connected with supporting plates (15), the bottom ends of the two rotating shafts (8) are respectively and rotatably connected with the top parts of the two supporting plates (15), the top parts of the two supporting plates (15) are respectively and fixedly connected with sliding rails (16), and the bottom parts of the two sliding plates (11) are respectively and slidably connected with the two sliding rails (16).