Hydraulic oil cylinder with quick connector

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder with a quick connector, which comprises an oil cylinder body, the oil cylinder body comprises an oil cylinder barrel and a hydraulic rod in the oil cylinder barrel, a lower connecting seat is arranged at the lower end of the oil cylinder barrel, an upper connecting seat is arranged at the upper end of the hydraulic cylinder, and a connecting plate is connected to the upper end of the upper connecting seat. The oil cylinder has the advantages that through the arrangement of the pipe joint assembly, pipe joint butt joint can be rapidly carried out when the oil conveying pipes are connected, the sealing effect of the connecting position is guaranteed, meanwhile, connection is more convenient and rapid, and the oil conveying pipes are not prone to falling off. The threaded plug and the fixed pipe head are connected and fastened through the threaded sleeve and the external thread of the threaded plug in a butt joint mode, the connection fastening performance can be guaranteed, and due to the fact that the threaded sleeve is rotationally connected to the fixed connector, the oil conveying pipeline can be prevented from rotating and loosening, and the fastening performance and the sealing effect are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic oil cylinder, specifically hydraulic oil cylinder with quick coupling. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy conversion into mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator. It is simple in structure, reliable in operation. When it is used to realize reciprocating motion, the speed reducer can be dispensed with, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems.

[0003] Among them, the hydraulic oil cylinder side will be provided with the corresponding hydraulic oil pipe joint, the general hydraulic oil pipe structure is generally through the direct screw connection mode when carrying out the connection and fixation, this kind of connecting mode needs to carry out the rotation fixation, and the rotation loosening problem is easy to appear, the sealing effect is influenced, and the connection is not convenient enough, therefore, the utility model provides a hydraulic oil cylinder with quick coupling for solving the problems raised above. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hydraulic oil cylinder with quick coupling to solve the problems raised in the background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hydraulic oil cylinder with quick coupling, comprising:

[0006] Oil cylinder main part, the oil cylinder main part includes oil cylinder barrel and its inside hydraulic rod, the oil cylinder barrel lower extreme is provided with lower connecting seat, the hydraulic cylinder upper end is provided with upper connecting seat, the upper connecting seat upper end is connected with connecting plate, and the oil cylinder barrel one side is provided with two groups of oil delivery pipe up and down, and the oil delivery pipe end is provided with pipe joint assembly;

[0007] Pipe joint assembly, the pipe joint assembly includes fixed pipe head, the fixed pipe head front end is provided with rotationally connected thread sleeve, the fixed pipe head front end is connected with threaded plug, and the threaded plug is communicated in the oil delivery pipe end.

[0008] Preferably, the connecting plate lower end is provided with hinged seat, the hinged seat is hinged on the upper end of the upper connecting seat, the hinged seat and the upper connecting seat are hinged through hinged shaft, the hinged hole is formed in the middle of the hinged seat, a plurality of positioning teeth are protruded in the hinged hole on one side, the hinged shaft one end outside is provided with the clamping tooth corresponding to the positioning tooth, the hinged shaft end is provided with connecting thread, and the end outside is connected with the anti-drop locking nut.

[0009] Preferably, the end of the oil pipeline is fixedly connected with a fixed pipe head, a rotating groove is arranged at the front end of the fixed pipe head, a threaded sleeve is rotatably connected in the rotating groove, a fastening thread is arranged in the threaded sleeve, a sealing groove is arranged in the fixed pipe head, a sealing ring is inserted in the sealing groove, a threaded plug is inserted in the fixed pipe head, and the threaded plug is fastened through the threaded sleeve.

[0010] Preferably, the threaded plug comprises a main body, a fastening thread is arranged at the outer side of the main body, a sealing plug is protrusively arranged at the front end of the threaded plug, the sealing plug is inserted in the fixed pipe head, and the front end of the sealing plug abuts against the end of the sealing ring; and a positioning head in the shape of a hexagon nut is integrally arranged at the rear end of the main body of the threaded plug.

[0011] Preferably, a connecting head is fixedly connected to the rear end of the main body of the threaded plug, the connecting head is inserted in the end of the oil pipeline and fastened through a fastening clamp.

[0012] Compared with the prior art, the oil pipeline connecting device has the following beneficial effects:

[0013] The pipe joint assembly can be used for quickly connecting the oil pipeline, ensuring the sealing effect of the connection part and facilitating the connection, the threaded plug and the fixed pipe head are connected and fastened through the threaded sleeve and the external thread of the threaded plug, the connection fastening property is ensured, the threaded sleeve is rotatably connected to the fixed pipe head, the oil pipeline can be prevented from being loosened and rotated, and the fastening property and the sealing effect are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a front side structural schematic view of the utility model;

[0016] Figure 3 It is Figure 2 It is an enlarged schematic view of the structure of A in the utility model;

[0017] Figure 4 It is an internal structural schematic view of the pipe joint assembly in the utility model.

[0018] In the drawing: 1, oil cylinder barrel; 2, hydraulic rod; 3, lower connecting seat; 4, upper connecting seat; 5, connecting plate; 6, hinged seat; 7, hinged shaft; 8, oil pipeline; 9, fixed pipe head; 10, threaded sleeve; 11, threaded plug; 12, positioning head; 13, rotating groove; 14, sealing ring; 15, sealing plug. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical solutions carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawings to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without doing the premise of creative work belongs to the scope of the utility model protection.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a hydraulic cylinder with quick connector, comprising:

[0021] Oil cylinder main body, oil cylinder main body includes oil cylinder barrel 1 and its inside hydraulic rod 2, oil cylinder barrel 1 lower end is provided with lower connecting seat 3, hydraulic cylinder 2 upper end is provided with upper connecting seat 4, and upper connecting seat 4 upper end is connected with connecting plate 5, and upper and lower two groups of oil delivery pipes 8 are provided in oil cylinder barrel 1 side, and pipe joint assembly is provided in the end of oil delivery pipe 8;

[0022] Pipe joint assembly, pipe joint assembly includes fixed pipe head 9, fixed pipe head 9 front end is provided with rotationally connected screw sleeve 10, screw plug 11 is connected in the front end of fixed pipe head 9, and screw plug is communicated in the end of oil delivery pipeline;

[0023] Connecting plate 5 lower end is provided with hinged seat 6, and hinged seat 6 is hinged in the upper end of upper connecting seat 4, and hinged seat 6 is hinged between upper connecting seat 4 through hinged shaft 7, and hinged hole is through and is set in the middle of hinged seat 6, a plurality of positioning teeth are protrudingly arranged in the hinged hole of one side, and the outer side of one end of hinged shaft 7 is provided with engagement tooth corresponding to positioning tooth, connecting thread is provided at the end of hinged shaft 7, and anti-loosening nut is connected at the outer side of end, and the connecting plate 5 and upper connecting seat 4 hinged through hinged shaft 7 can effectively improve the convenience of connection, can quickly connect the upper end of hydraulic cylinder, improve use effect;

[0024] The end of oil delivery pipe 8 is fixedly connected with fixed pipe head 9, the front end of fixed pipe head 9 is provided with rotary groove 13, screw sleeve 10 is rotationally connected in rotary groove 13, screw sleeve 10 is provided with fastening thread in the inside, sealing slot is provided in fixed pipe head 9, sealing ring 14 is inserted in sealing slot, screw plug 11 is inserted in fixed pipe head 9, and screw plug 11 is fastened through screw sleeve 10, the end outside of fixed pipe head 9 is rotationally connected with screw sleeve 10, and the oil delivery pipeline connection can be quickly connected and fixed, and the inside of screw sleeve 10 is provided with corresponding sealing mechanism, can guarantee the convenience of connection and fixation, and guarantee the convenience of connection, improve use effect;

[0025] The threaded plug 11 comprises a main body, the outer side of which is provided with a fastening thread, the front end of the threaded plug 11 is provided with a sealing plug 15, the front end of the sealing plug 15 is inserted into the fixed pipe head 9, the front end abuts against the end of the sealing ring 14, the rear end of the main body of the threaded plug 11 is integrally provided with a positioning head 12 in the shape of a hexagonal nut, the fixed pipe head 9 can be fixed through the threaded plug 11, when connected, the stability of the threaded plug 11 during connection can be ensured through the positioning head 12, the sealing plug 15 at the front end of the threaded plug 11 can cooperate with the sealing ring 14 in the fixed pipe head 9 to improve the sealing effect during connection, and the threaded plug 11 can be quickly connected and fixed through the threaded sleeve 10.

[0026] The rear end of the main body of the threaded plug 11 is fixedly connected with a connecting head, the connecting head is inserted into the end of the oil conveying pipeline and is fastened through a fastening clamp.

[0027] In actual use, the connecting plate 5 hinged through the hinge shaft 7 and the upper connecting seat 4 can effectively improve the connection convenience, the upper end of the hydraulic oil cylinder can be quickly connected, the use effect is improved, the threaded sleeve 10 rotatably connected to the outer side of the end of the fixed pipe head 9 can be quickly connected and fixed when the oil conveying pipeline is connected, the sealing mechanism arranged in the threaded sleeve 10 can ensure the connection and fixing convenience and the connection convenience, the use effect is improved, the fixed pipe head 9 can be fixed through the threaded plug 11, when connected, the stability of the threaded plug 11 during connection can be ensured through the positioning head 12, the sealing plug 15 at the front end of the threaded plug 11 can cooperate with the sealing ring 14 in the fixed pipe head 9 to improve the sealing effect during connection, and the threaded plug 11 can be quickly connected and fixed through the threaded sleeve 10.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder with quick coupler, characterized in that: Include: The oil cylinder body includes the oil cylinder barrel (1) and the hydraulic rod (2) inside it, the lower end of the oil cylinder barrel (1) is provided with a lower connecting seat (3), the upper end of the hydraulic cylinder (2) is provided with an upper connecting seat (4), the upper end of the upper connecting seat (4) is connected with a connecting plate (5), two groups of oil conveying pipes (8) are arranged on one side of the oil cylinder barrel (1), and pipe joint assemblies are arranged at the ends of the oil conveying pipes (8); The pipe joint assembly includes a fixed pipe joint (9), a threaded sleeve (10) rotatably connected is arranged at the front end of the fixed pipe joint (9), and a threaded plug (11) is connected at the front end of the fixed pipe joint (9), and the threaded plug is communicated at the end of the oil conveying pipe.

2. A hydraulic cylinder with quick coupling according to claim 1, characterized in that: The lower end of the connecting plate (5) is provided with a hinged seat (6), the hinged seat (6) is hinged to the upper end of the upper connecting seat (4), the hinged seat (6) and the upper connecting seat (4) are hinged through the hinged shaft (7), the hinged hole is formed in the middle of the hinged seat (6), a plurality of positioning teeth are protrudingly arranged in the hinged hole on one side, the hinged shaft (7) is provided with a clamping tooth corresponding to the positioning tooth on the outer side of one end, a connecting thread is arranged at the end of the hinged shaft (7), and a anti-loose nut is connected on the outer side of the end.

3. The hydraulic cylinder with quick coupling according to claim 1, characterized in that: The end of the oil conveying pipe (8) is fixedly connected with the fixed pipe joint (9), the front end of the fixed pipe joint (9) is provided with a rotating groove (13), the threaded sleeve (10) is rotatably connected in the rotating groove (13), the threaded sleeve (10) is provided with a fastening thread in the inside, the fixed pipe joint (9) is provided with a sealing slot, the sealing ring (14) is inserted in the sealing slot, the threaded plug (11) is inserted in the fixed pipe joint (9), and the threaded plug (11) is fastened through the threaded sleeve (10).

4. The hydraulic cylinder with quick coupling according to claim 1, characterized in that: The threaded plug (11) includes a main body, a fastening thread is arranged on the outer side of the threaded plug (11), a sealing plug (15) is protrudingly arranged at the front end of the threaded plug (11), the sealing plug (15) is inserted in the fixed pipe joint (9), and the front end abuts against the end of the sealing ring (14), the threaded plug (11) is integrally provided with a positioning head (12) in the shape of a hexagonal nut at the rear end of the main body.

5. The hydraulic cylinder with quick coupling according to claim 1, characterized in that: The threaded plug (11) is fixedly connected with a connecting head, the connecting head is inserted in the end of the oil conveying pipe and is fastened by a fastening clamp.

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