CN211693029U

CN211693029U - Special oil cylinder structure

Info

Publication number: CN211693029U
Application number: CN201921803784.6U
Authority: CN
Inventors: 吕良辉
Original assignee: Chengdu Zhengshan Transmission Technology Co ltd
Current assignee: Chengdu Zhengshan Transmission Technology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-10-16
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a special oil cylinder structure, which comprises a cylinder head (6), a special cylinder barrel (3) and a piston rod assembly arranged in the special cylinder barrel (3), wherein a bearing (4) is arranged at one end of the piston rod assembly, the cylinder head (6) is sleeved on the periphery of the special cylinder barrel (3) through a transfer sleeve (2), and a cylinder barrel middle lug (1) is also arranged at the region part opposite to the transfer sleeve (2) on the periphery of the cylinder head (6); the novel structure solves the problem that the conventional arrangement cannot meet the requirement of a customer on installation size, and can provide installation size space in a short distance.

Description

Special oil cylinder structure

Technical Field

The utility model relates to a hydraulic system technique, hydro-cylinder technical etc. field, specific saying so, a special hydro-cylinder structure.

Background

The hydraulic system functions to increase the force by changing the pressure. A complete hydraulic system consists of five parts, namely a power element, an actuator, a control element, an auxiliary element (attachment) and hydraulic oil. Hydraulic systems can be divided into two categories: hydraulic transmission systems and hydraulic control systems. Hydraulic drive systems have as a primary function the transmission of power and motion. Hydraulic control systems are designed to provide a hydraulic system output that meets specific performance requirements (particularly dynamic performance), and are generally referred to as hydraulic drive systems.

The hydraulic cylinder (oil cylinder) is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.

The special oil cylinder has special requirements on the wall thickness of the cylinder barrel and heat treatment, so other parts cannot be welded on the special oil cylinder, the installation space of the special oil cylinder is limited, and the actual conditions of customers are variable. The most common mounting mode (type I) of the special oil cylinder is shown in figure 1, a mounting mode of an end face flange 8 and a ball head 9 is adopted, a mounting mode (type II) is adopted in figure 2, a cylinder head trunnion 5 and a bearing 4 hole mounting mode is adopted, but the I type mounting mode can limit the use occasion of the oil cylinder, and the II type mounting mode is limited in mounting distance length due to the fact that the size of a fixed structure is arranged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to design a special hydro-cylinder structure, for a solution arranges according to the conventionality and can not satisfy a new structure of customer's installation dimension demand, can provide short-range installation dimension space.

The utility model discloses a following technical scheme realizes: the special oil cylinder structure comprises a cylinder head, a special cylinder barrel and a piston rod assembly arranged in the special cylinder barrel, wherein a bearing is arranged at one end of the piston rod assembly, the cylinder head is sleeved on the periphery of the special cylinder barrel through a transfer sleeve, and a cylinder barrel middle lug is further arranged at the peripheral part of the cylinder head, opposite to the transfer sleeve, of the transfer sleeve.

Further for realizing better the utility model discloses, adopt the following structure that sets up very much: the connecting part of the adapter sleeve is connected with the cylinder head through a connecting piece.

Further for realizing better the utility model discloses, adopt the following structure that sets up very much: the connecting piece adopts a bolt piece.

Further for realizing better the utility model discloses, adopt the following structure that sets up very much: the adapter sleeve is in interference fit or threaded fit in the cylinder head cylinder.

Further for realizing better the utility model discloses, adopt the following structure that sets up very much: the adapter sleeve is sleeved on the special cylinder barrel in an interference fit or thread fit mode.

Further for realizing better the utility model discloses, adopt the following structure that sets up very much: the adapter sleeve is a nylon sleeve.

In particular, in the present technical solution, terms such as "connect", "fix", "set", "movably connect", and "movably connect" related to the mechanical structure are all technical means for conventional setting in the mechanical field, and can be used as long as the purpose of fixing, connecting, or movably setting can be achieved, so that no specific limitation is made in the text (for example, nuts and screws are used to cooperate to perform movable or fixed connection, bolts are used to perform movable or fixed connection, and a detachable connection between an object a and an object B is achieved by means of clamping, and the like).

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model relates to a solve and arrange according to the conventionality and can not satisfy a new structure of customer's installation dimension demand, can provide short-range installation dimension space.

The utility model discloses more can individualized satisfying customer's demand, simultaneously because the change of mounting means, the operating mode that can utilize is also more, can use in other occasions in a large number.

Drawings

Fig. 1 is a schematic view of an I-type installation mode of a special oil cylinder.

Fig. 2 is a schematic view of a type II mounting manner of the special oil cylinder.

Fig. 3 is a schematic structural diagram of the present invention.

The device comprises a cylinder barrel, a connecting piece and a connecting piece, wherein the connecting piece comprises 1-a cylinder barrel middle lug, 2-an adapter sleeve, 3-a special cylinder barrel, 4-a bearing, 5-a cylinder head trunnion, 6-a cylinder head, 7-a connecting piece, 8-an end face flange, 9-a ball head and 10-a.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It is worth noting that: in the present application, when it is necessary to apply the known technology or the conventional technology in the field, the applicant may have the case that the known technology or/and the conventional technology is not specifically described in the text, but the technical means is not specifically disclosed in the text, and the present application is considered to be not in compliance with the twenty-sixth clause of the patent law.

Example 1:

the utility model provides a special hydro-cylinder structure for a solution arranges according to the conventionality and can not satisfy a new structure of customer's installation dimension demand, can provide short distance installation dimension space, as shown in fig. 3, adopts the following mode of setting very much: the cylinder head comprises a cylinder head 6, a special cylinder barrel 3 and a piston rod assembly arranged in the special cylinder barrel 3, wherein a bearing 4 is arranged at one end of the piston rod assembly, the cylinder head 6 is sleeved on the periphery of the special cylinder barrel 3 through a transfer sleeve 2, and a cylinder barrel middle lug 1 is further arranged at the position of the periphery of the cylinder head 6, opposite to the transfer sleeve 2.

As the preferred arrangement scheme, the special oil cylinder structure comprises a cylinder head 6, a special cylinder barrel 3 and a piston rod assembly arranged in the special cylinder barrel 3, wherein a bearing 4 and a transfer sleeve 2 are arranged at one end of the piston rod assembly, the cylinder head 6 adopts a lengthened structure (namely, the lengthened structure is longer than the cylinder heads of the special oil cylinders of an I-type installation mode and an II-type installation mode), the cylinder head 6, the transfer sleeve 2 and the special cylinder barrel 3 are sleeved in a ring manner, namely, the cylinder head 6 is sleeved on the transfer sleeve 2, the transfer sleeve 2 is sleeved on the special cylinder barrel 3, and in space, a cylinder barrel middle lug 1 is further arranged at the position of the periphery of the cylinder head 6, which is opposite to the transfer sleeve 2.

Example 2:

this embodiment is further optimized on the basis of the above-mentioned embodiment, as shown in fig. 3, the same portions as the above-mentioned technical solution will not be described herein again, and the following setting structure is particularly adopted for further better realizing the utility model discloses: the connecting part 7 of the adapter sleeve 2 is connected with the cylinder head 6 through the connecting part 10, and after the adapter sleeve 2 is matched with the special cylinder barrel and sleeved inside the cylinder head 6, the connecting part 7 of the adapter sleeve 2 is connected with the outer wall of the cylinder head 6 in the axial direction through the two adapter sleeves 2 and the cylinder head 6 through the connecting part 10.

Example 3:

this embodiment is further optimized on the basis of any of the above-mentioned embodiments, as shown in fig. 3, the same parts as the above-mentioned technical solution will not be described herein again, and the following setting structure is particularly adopted for further better realizing the utility model discloses: the connecting member 10 is a bolt member.

Example 4:

this embodiment is further optimized on the basis of any of the above-mentioned embodiments, as shown in fig. 3, the same parts as the above-mentioned technical solution will not be described herein again, and the following setting structure is particularly adopted for further better realizing the utility model discloses: the adapter sleeve 2 is in interference fit or threaded fit in the cylinder head 6.

Example 5:

this embodiment is further optimized on the basis of any of the above-mentioned embodiments, as shown in fig. 3, the same parts as the above-mentioned technical solution will not be described herein again, and the following setting structure is particularly adopted for further better realizing the utility model discloses: the adapter sleeve 2 is sleeved on the special cylinder barrel 3 in an interference fit or thread fit mode.

Example 6:

this embodiment is further optimized on the basis of any of the above-mentioned embodiments, as shown in fig. 3, the same parts as the above-mentioned technical solution will not be described herein again, and the following setting structure is particularly adopted for further better realizing the utility model discloses: the adapter sleeve 2 is a nylon sleeve.

When the cylinder head is arranged, the original cylinder head 6 is lengthened, so that the cylinder head 6 is not contacted with the special cylinder barrel 3 (the use of the oil cylinder can be influenced by the contact), and the cylinder head 6 and the special cylinder barrel 3 are connected together in a nylon sleeve (the adapter sleeve 2) flexible connection mode.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides a special hydro-cylinder structure, includes cylinder head (6), special cylinder (3), sets up the piston rod subassembly in special cylinder (3), is provided with bearing (4), its characterized in that in piston rod subassembly's one end: the cylinder head (6) is sleeved on the periphery of the special cylinder barrel (3) through the adapter sleeve (2), and a cylinder barrel middle lug (1) is further arranged on the periphery of the cylinder head (6) at the region position opposite to the adapter sleeve (2).

2. The special cylinder structure of claim 1, wherein: the connecting part (7) of the adapter sleeve (2) is connected with the cylinder head (6) through a connecting piece (10).

3. The special cylinder structure of claim 2, wherein: the connecting piece (10) adopts a bolt piece.

4. A special cylinder structure according to claim 1, 2 or 3, characterized in that: the adapter sleeve (2) is in interference fit or threaded fit in the cylinder head (6).

5. A special cylinder structure according to claim 1, 2 or 3, characterized in that: the adapter sleeve (2) is sleeved on the special cylinder barrel (3) in an interference fit or thread fit mode.

6. A special cylinder structure according to claim 1, 2 or 3, characterized in that: the adapter sleeve (2) is a nylon sleeve.