High-strength end cover for air cylinder

Abstract

The utility model relates to the technical field of air cylinders, in particular to a high-strength end cover for an air cylinder, which comprises a main body and a mounting seat capable of being separated from the main body, the main body comprises a butt-joint cylinder barrel surface provided with a boss, and the surface opposite to the butt-joint cylinder barrel surface is a butt-joint mounting seat surface. Four connected side faces are arranged between the butt-joint installation seat face and the butt-joint cylinder barrel face, a pull rod is hinged to the corner of each two connected side faces, an air channel communicated with a certain side face of the body is formed in the center of the boss, an air pipe quick connector is arranged at the junction of the air channel and the outside, and the outer end of the air pipe quick connector sinks below the side face. According to the high-strength end cover for the air cylinder, the pull rod is arranged and used for connecting the end cover with a cylinder head, the pull rod surrounds the periphery of the cylinder barrel, the connection strength is high, and a cylinder body is prevented from deforming under the action of pressure; the reinforcing ribs are arranged on the periphery of the positioning column and are distributed outwards in a radial shape, so that the structural strength of the end cover is effectively enhanced; the mounting seat and the main body mounting surface can be switched, and the connection strength is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air cylinder especially a high strength end cover for air cylinder. BACKGROUND

[0002] Air cylinder is a kind of component that uses compressed air to do work, in the existing air cylinder technology, end cover as the important component of air cylinder, plays the key role such as sealing, support. However, with the pressure, temperature and other working conditions that air cylinder bears in industrial production increasingly complex and rigorous, ordinary end cover is prone to deformation, rupture and other problems, thereby affecting the overall performance and service life of air cylinder, and even possibly producing safety hazard. Therefore, it is necessary to provide a kind of air cylinder end cover with high strength performance to adapt to the development needs of modern industrial production. SUMMARY

[0003] The utility model aims at overcoming the insufficient in prior art, provide a kind of high strength end cover for air cylinder.

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is as follows:

[0005] A kind of high strength end cover for air cylinder, including main part and separable mounting seat with it, the main part includes the butt joint cylinder barrel face with boss, the opposite face of the butt joint cylinder barrel face is butt joint mounting seat face, four sides connected between the butt joint mounting seat face and butt joint cylinder barrel face are provided, every two sides connected corner articulates pull rod, the boss center is provided with the air passage that communicates with the side surface of main part, the air passage is provided with gas pipe quick connector at external junction, the outer end of gas pipe quick connector is sunk below the side surface.

[0006] Further, the center of the butt joint mounting seat face is provided with a positioning column, and the positioning column is matched with a positioning hole provided on the mounting seat;The mounting seat includes a bottom horizontal plate and an upper vertical plate perpendicular to each other, the positioning hole is arranged at the center of the upper vertical plate, and the bottom horizontal plate is provided with an insertion strip, and the four side surfaces of the main body are provided with insertion grooves matched with the insertion strip.

[0007] Further, the positioning column is provided with a reinforcing rib around, the reinforcing rib is provided with a convex arc surface, and the upper vertical plate is provided with a concave arc surface to accommodate the reinforcing rib.

[0008] Further, the outer periphery of the boss is provided with a linear array of tooth rings.

[0009] Further, the air pipe quick connector is provided with a chamfered inclined surface around.

[0010] Further, one end of the pull rod is articulated with the main body, and the other end is provided with a thread, and the thread is screwed with a nut.

[0011] Further, the bottom horizontal plate is provided with a through mounting hole.

[0012] The beneficial effects of the technical scheme of the utility model are:

[0013] 1. The high-strength end cover for the air cylinder is provided with a pull rod for connecting the end cover and the cylinder head, the pull rod is arranged around the periphery of the cylinder barrel, the connection strength is high, and the cylinder body is prevented from being deformed under the action of pressure; the positioning column is provided with reinforcing ribs around, is distributed radially outward, effectively enhances the structural strength of the end cover, and is not easy to be deformed and damaged under complex working conditions; the mounting seat is selectively connected with the four side surfaces of the main body, the four mounting directions can be switched, the insertion strip and the insertion slot are accurately butted, and the connection strength is high.

[0014] 2. The high-strength end cover for the air cylinder is convenient to connect with the air pipe through the sunken air pipe quick connector and is not easy to be touched during transportation and use; the convex table is provided with a tooth ring in a linear array around the arc, has an inverted sawtooth cross section, is pressed with the inner wall of the cylinder barrel, and has high connection strength. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only partial embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor of the ordinary skilled in the art.

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is Figure 1 It is an enlarged schematic view of A in the figure;

[0018] Figure 3 It is Figure 1 It is a B-B direction cross-sectional structure schematic view in the figure;

[0019] Figure 4 It is Figure 3 It is an enlarged schematic view of C in the figure;

[0020] Figure 5 It is a three-dimensional structure schematic view of the mounting seat in the utility model.

[0021] In the figure: 1: main body; 1a: convex table; 1a-1: tooth ring; 1b: air channel; 1c: air pipe quick connector; 1d: positioning column; 1e: insertion slot; 1f: reinforcing rib; 1g: chamfered inclined platform; 2: mounting seat; 2a: bottom horizontal plate; 2a-1: through mounting hole; 2b: upper vertical plate; 2c: insertion strip; 3: pull rod. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the components related to the utility model. The utility model is described in detail by structure schematic diagram, and the schematic diagram does not limit the range protected by the utility model.

[0023] Please refer to Figures 1-5 A kind of high-strength end cover for cylinder, including main body 1 and separable mounting seat 2 thereof, the main body 1 includes the butt joint cylinder face being equipped with boss 1a, the opposite face of butt joint cylinder face is butt joint mounting seat face, main body 1 is connected with mounting seat 2 on this face by screw, four connected side surfaces are provided between butt joint mounting seat face and butt joint cylinder face, every two connected side surface corners are hinged with pull rod 3, because cylinder will bear large internal pressure in use, pull rod 3 connects the two ends of cylinder together, surrounds in the periphery of cylinder barrel, and connection strength is high, prevent cylinder from deforming under the action of pressure, one end of pull rod 3 is hinged with main body 1, and the other end is provided with thread, and nut is screwed on the thread, for being connected with cylinder head.

[0024] The boss 1a center is provided with the air passage 1b being communicated with the side surface of main body 1, the air passage 1b is provided with gas pipe quick connector 1c at external junction, the outer end of gas pipe quick connector 1c is sunk below the side surface, and cylinder is connected with gas conveniently, and gas pipe quick connector 1c is not easy to be touched when transporting and using.

[0025] Specifically, the center of butt joint mounting seat face is provided with positioning column 1d, the positioning column 1d is matched with the positioning hole provided on mounting seat 2;The mounting seat 2 includes the bottom horizontal plate 2a and the upper vertical plate 2b perpendicular to each other, the bottom horizontal plate 2a is provided with the through mounting hole 2a-1, the positioning hole is arranged in the center of the upper vertical plate 2b, the bottom horizontal plate 2a is provided with the insertion strip 2c, the four side surfaces of the main body 1 are provided with the insertion slot 1e matched with the insertion strip 2c, the mounting seat 2 is connected with the four side surfaces of the main body 1 alternatively, the installation direction of four sides can be switched, and the insertion strip 2c and the insertion slot 1e are accurately connected.

[0026] In addition, the four peripheries of positioning column 1d are provided with reinforcing ribs 1f, which are distributed radially outward, effectively enhancing the structural strength of the end cover, so that it is not easy to deform and damage under complex working conditions, the reinforcing rib 1f is provided with convex arc surface, the upper vertical plate 2b is provided with concave arc surface to accommodate the reinforcing rib 1f, and the thickness of the reinforcing rib 1f gradually decreases from the center of the end cover to the edge, which can evenly distribute the pressure to the entire end cover structure when the end cover bears the pressure, effectively enhancing the strength of the end cover.

[0027] Meanwhile, the straight line array of the tooth ring 1a-1 with the reverse sawtooth profile is arranged on the outer periphery of the circular arc of the boss 1a, and is pressed against the inner wall of the cylinder, so that the connection strength is high.

[0028] Further optimization, the interface cylinder face and the cylinder are also provided with sealing groove and high temperature resistant rubber sealing ring, ensure the good sealing of the cylinder, improve the working efficiency and stability of the cylinder. The outer surface of the end cover body is uniformly sprayed with a ceramic coating with a thickness of 5-10 microns as a reinforcing layer by thermal spraying process, which enhances the wear resistance, corrosion resistance and high temperature resistance of the end cover.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, the changes, modifications or additions should belong to the protection scope of the present application.

Claims

1. A high-strength end cover for an air cylinder, characterized by: The utility model relates to a detachable air cylinder, which comprises a main body (1) and a mounting base (2) detachable from the main body (1), wherein the main body (1) comprises a butt joint cylinder surface provided with a boss (1a), the opposite surface of the butt joint cylinder surface is a butt joint mounting base surface, four connected side surfaces are arranged between the butt joint mounting base surface and the butt joint cylinder surface, a pull rod (3) is hinged at the corner of every two connected side surfaces, the boss (1a) is centrally provided with an air duct (1b) communicating with a side surface of the main body (1), the air duct (1b) is provided with an air pipe quick connector (1c) at the junction with the outside, and the outer end of the air pipe quick connector (1c) is sunken below the side surface.

2. The high-strength end cover for an air cylinder according to claim 1, characterized by: The center of the butt joint mounting base surface is provided with a positioning column (1d) matched with a positioning hole arranged on the mounting base (2); the mounting base (2) comprises a bottom horizontal plate (2a) and an upper vertical plate (2b) perpendicular to each other, the positioning hole is arranged at the center of the upper vertical plate (2b), the bottom horizontal plate (2a) is provided with an insertion strip (2c), and the four side surfaces of the main body (1) are provided with insertion grooves (1e) matched with the insertion strip (2c).

3. The high-strength end cover for an air cylinder of claim 2, wherein: The positioning column (1d) is provided with a reinforcing rib (1f) around the positioning column (1d), the reinforcing rib (1f) is provided with a convex arc surface, and the upper vertical plate (2b) is provided with a recessed arc surface accommodating the reinforcing rib (1f).

4. The high-strength end cover for an air cylinder of claim 1, wherein: The boss (1a) is provided with a linear array of tooth rings (1a-1) around the circular arc of the boss (1a).

5. The high-strength end cover for an air cylinder of claim 1, wherein: The air pipe quick connector (1c) is provided with a chamfered inclined surface (1g) around the air pipe quick connector (1c).

6. A high-strength end cover for an air cylinder as defined in claim 2, wherein: One end of the pull rod (3) is hinged to the main body (1), and the other end of the pull rod (3) is provided with a thread, and a nut is screwed on the thread.

7. The high-strength end cover for an air cylinder of claim 2, wherein: The bottom horizontal plate (2a) is provided with a through mounting hole (2a-1).

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