Jacking prevention oil cylinder

Abstract

The utility model discloses an anti-ejection oil cylinder which comprises an oil cylinder barrel and a piston rod, an oil cylinder flange is fixedly welded on the outer surface of one end of the oil cylinder barrel, an anti-falling flange is installed on the outer wall of one side of the oil cylinder flange, and the anti-falling flange is fixedly connected with the oil cylinder flange through a bolt. The outer surface of one side of the piston rod is fixedly sleeved with a piston head, the outer surface of the side, away from the piston head, of the piston rod is movably sleeved with a guide sleeve, and the guide sleeve and the oil cylinder barrel are fixed in a screwed mode. Compared with the prior art, due to the fact that reinforced full welding is adopted between the oil cylinder barrel and the oil cylinder flange, compared with traditional threaded connection, the oil cylinder barrel and the oil cylinder flange form an integrated structure, stability is higher, the use stability of the oil cylinder can be further enhanced by additionally arranging the guide sleeve and the anti-disengaging flange, and the service life of the oil cylinder is prolonged. And the hydraulic oil cylinder is effectively prevented from rushing over.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to an anti-overburst oil cylinder. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy, performing linear reciprocating motion. This reciprocating motion eliminates the need for a reduction gear, eliminates transmission backlash, and provides smooth motion. Therefore, it is widely used in the hydraulic systems of various machines. Hydraulic cylinders come in a variety of structural types, including piston, plunger, multi-stage telescopic sleeve, and rack and pinion. The piston type is the most common.

[0003] At present, in the use of piston-type hydraulic cylinders, the cylinder body and the cylinder flange are all threaded connections, which are prone to slippage and falling off after vibration during use, resulting in poor stability. In addition, the piston cylinder flange and the piston rod seal are easily damaged after long-term movement. Therefore, the utility model proposes an anti-collision cylinder. Utility Model Content

[0004] The purpose of the present utility model is to provide an anti-overburst oil cylinder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-overburst oil cylinder, comprising a cylinder body and a piston rod, a cylinder flange fixedly welded to the outer surface of one end of the cylinder body, an anti-slip flange installed on the outer wall of one side of the cylinder flange, the anti-slip flange and the cylinder flange are fixedly connected by bolts, a piston head is fixedly sleeved on the outer surface of one side of the piston rod, and a guide sleeve is movably sleeved on the outer surface of the side of the piston rod away from the piston head, and the guide sleeve is screwed and fixed to the cylinder body.

[0006] As a preferred technical solution of the present invention, the welding point between the oil cylinder barrel and the oil cylinder flange is a full welding position, and the cross-sectional shape of the full welding position is circular.

[0007] As a preferred technical solution of the present invention, the inner surfaces of the anti-slip flange and the cylinder flange are both provided with a plurality of bolt mounting holes, and the plurality of bolt mounting holes are evenly distributed in a ring shape.

[0008] As a preferred technical solution of the present invention, an oil return hole and an oil inlet hole are provided on one side of the oil cylinder body.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] The utility model provides an anti-top-impact oil cylinder, in which reinforced full welding is adopted between the cylinder barrel and the cylinder flange. Compared with the traditional threaded connection, the cylinder barrel and the cylinder flange form an integrated structure with stronger stability. By adding a guide sleeve and an anti-slip flange, the stability of the cylinder can be further enhanced, and the hydraulic cylinder top-impact phenomenon can be effectively prevented.

[0011] Other features and advantages of the present invention will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] In the figure: 1. Cylinder body; 2. Full welding position; 3. Cylinder flange; 4. Anti-slip flange; 5. Guide sleeve; 6. Bolt mounting hole; 7. Piston rod; 8. Piston head; 9. Oil return hole; 10. Oil inlet hole. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0016] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0017] See also Figure 1, In this embodiment, an anti-collision oil cylinder is provided, including an oil cylinder body 1 and a piston rod 7. A cylinder flange 3 is fixedly welded to the outer surface of one end of the oil cylinder body 1, and an anti-slip flange 4 is installed on the outer wall of one side of the oil cylinder flange 3. The anti-slip flange 4 and the oil cylinder flange 3 are fixedly connected by bolts. A piston head 8 is fixedly sleeved on the outer surface of one side of the piston rod 7, and a guide sleeve 5 is movably sleeved on the outer surface of the side of the piston rod 7 away from the piston head 8, and the guide sleeve 5 is screwed and fixed to the oil cylinder body 1. The welding point between the oil cylinder body 1 and the oil cylinder flange 3 is a full welding position 2, and the cross-section of the full welding position 2 is circular. The inner surfaces of the anti-slip flange 4 and the oil cylinder flange 3 are A plurality of bolt mounting holes 6 are provided, and the plurality of bolt mounting holes 6 are evenly distributed in a ring shape. Specifically, the anti-slip flange 4 and the cylinder flange 3 both use eight symmetrical M18 bolt holes so that the position of the cylinder oil hole can effectively prevent the hydraulic cylinder from topping. An oil return hole 9 and an oil inlet hole 10 are provided on one side of the cylinder body 1. A reinforced full welding is adopted between the cylinder body 1 and the cylinder flange 3. Compared with the traditional threaded connection, it makes the cylinder body 1 and the cylinder flange 3 form an integrated structure with greater stability. Moreover, by adding a guide sleeve and an anti-slip flange, the stability of the cylinder can be further enhanced, and the hydraulic cylinder can be effectively prevented from topping.

[0018] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An anti-top cylinder, characterized in that: The invention comprises an oil cylinder body (1) and a piston rod (7), wherein an oil cylinder flange (3) is fixedly welded to the outer surface of one end of the oil cylinder body (1), an anti-slip flange (4) is installed on the outer wall of one side of the oil cylinder flange (3), and the anti-slip flange (4) and the oil cylinder flange (3) are fixedly connected by bolts, a piston head (8) is fixedly sleeved on the outer surface of one side of the piston rod (7), and a guide sleeve (5) is movably sleeved on the outer surface of the side of the piston rod (7) away from the piston head (8), and the guide sleeve (5) is screwed and fixed to the oil cylinder body (1).

2. The anti-overburst oil cylinder according to claim 1, characterized in that: The welding point between the oil cylinder barrel (1) and the oil cylinder flange (3) is a full welding position (2), and the cross-sectional shape of the full welding position (2) is circular.

3. The anti-overburst oil cylinder according to claim 1, characterized in that: The inner surfaces of the anti-slip flange (4) and the oil cylinder flange (3) are both provided with a plurality of bolt mounting holes (6), and the plurality of bolt mounting holes (6) are evenly distributed in a ring shape.

4. The anti-overburst oil cylinder according to claim 1, characterized in that: An oil return hole (9) and an oil inlet hole (10) are provided on one side of the oil cylinder body (1).

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