Side edge sealing structure for installation and machining of oil cylinder end cover

Abstract

The utility model discloses an oil cylinder end cover installing and machining side edge sealing structure which comprises a cylinder body, a movable groove is annularly formed in the outer portion of the upper end of the cylinder body, a first spring is installed at the bottom of an inner cavity of the movable groove, a sealing ring is fixedly installed at the upper end of the first spring, and an end cover body is arranged above the sealing ring. A sealing groove is formed in the outer ring of the bottom of the end cover body, the sealing groove is used in cooperation with a sealing ring, and a second spring is fixedly installed on the inner wall of the sealing groove. According to the utility model, the sealing ring at the upper end of the cylinder body is clamped in the sealing groove, and the end cover and the side edge of the cylinder body are sealed and reinforced, so that the sealing ring is ensured not to deform during installation; the arc-shaped clamping blocks and the protruding blocks can be rapidly clamped in the arc-shaped edge sealing grooves in the side edges through the second springs to complete clamping connection, and the leakage problem in the high-pressure and high-temperature environment is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil cylinder end cover sealing technical field, concretely is a kind of oil cylinder end cover installation processing side edge sealing structure. BACKGROUND

[0002] In the technical field of hydraulic cylinder, the sealing performance between end cover and cylinder body is one of the key factors affecting the working efficiency and service life of oil cylinder, the existing oil cylinder end cover sealing structure mostly adopts single-lip sealing ring or O-shaped sealing ring, and the sealing between end cover and cylinder body is realized by pressing sealing ring, in hydraulic cylinder, the sealing performance between end cover and cylinder body directly affects the working efficiency and service life of oil cylinder, and the existing sealing structure mostly adopts single-lip sealing ring, which is prone to leakage in high-pressure and high-temperature environment, and the installation is complex, with high maintenance cost. SUMMARY

[0003] The utility model discloses a kind of oil cylinder end cover installation processing side edge sealing structure, with the advantage of side edge sealing reinforcement.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of oil cylinder end cover installation processing side edge sealing structure, including cylinder body, the outer annular of the upper end of the cylinder body is provided with movable slot, first spring is installed in the bottom of the movable slot inner cavity, the upper end of the first spring is fixedly installed with sealing ring, the upper of the sealing ring is provided with end cover main body, the outer ring of the bottom of the end cover main body is provided with sealing groove, and the sealing groove is used in cooperation with sealing ring.

[0005] As preferred scheme, the inner wall of the sealing groove is fixedly installed with second spring, the inner end of the second spring is fixedly installed with arc-shaped clamping block, the inner wall of the arc-shaped clamping block is fixedly installed with protruding block, and the protruding block is arranged in arc shape.

[0006] As preferred scheme, the outer annular of the sealing ring extension is provided with arc-shaped sealing edge groove, and the arc-shaped sealing edge groove can be matched with the protruding block of upper portion.

[0007] As preferred scheme, the bottom of the cylinder body is additionally integrally installed with positioning plate, and the surface of the positioning plate is annularly provided with mounting hole.

[0008] As preferred scheme, the overall diameter of the end cover main body is greater than the diameter of the upper end mounting portion of cylinder body, and the outer annular of the upper end of end cover main body is provided with lifting lug.

[0009] As preferred scheme, the sealing ring adopts double-lip design, and the inner lip and outer lip are respectively in contact with end cover main body and upper portion of cylinder body.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] 1. The utility model discloses a sealing ring is clamped in the sealing groove through the upper end of cylinder body and is sealed to the side of end cover and cylinder body and is reinforced, ensures that the sealing ring does not deform when installing, and the outside is through the buckle type design after the sealing ring is clamped in the sealing groove, can utilize the second spring and fast arc -shaped clamping block and convex block are clamped in the arc -shaped sealing groove inside the side of completing the joint, effectively prevent the leakage problem under the high pressure, high temperature environment.

[0012] 2. The utility model discloses through the adaptation design of arc -shaped sealing groove and convex block strengthens the close contact between sealing ring and sealing groove, effectively prevent oil leakage, and the cooperation of arc -shaped sealing groove and convex block can form multiple sealing structure, even under high pressure, high temperature or vibration state, can keep stable sealing effect, and the mounting hole can be fixed on the equipment fast cylinder body, ensure that the position of sealing ring and sealing groove is accurate, reduces the installation error. DRAWINGS

[0013] Figure 1 It is the utility model structure perspective drawing;

[0014] Figure 2 It is the utility model partial structure section view;

[0015] Figure 3 It is the utility model lower structure perspective drawing;

[0016] Figure 4 It is the utility model upper structure perspective drawing;

[0017] Figure 5 It is the utility model sealing ring removes after structure perspective drawing.

[0018] In the drawing: 1, cylinder body;2, movable groove;3, first spring;4, sealing ring;5, arc -shaped sealing groove;6, end cover main body;7, sealing groove;8, second spring;9, arc -shaped clamping block;10, convex block;11, mounting hole. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Secondly, the "one embodiment" or "embodiments" referred to herein are intended to mean that a particular feature, structure, or characteristic described in connection with the implementation can be included in at least one implementation of the utility model. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments. Embodiments

[0021] Please refer to Figure 1 As shown in the figure, the utility model provides a kind of oil cylinder end cover installation processing side seal structure, including cylinder body 1, the outer ring of upper end of cylinder body 1 is equipped with movable groove 2, first spring 3 is installed in the bottom of movable groove 2 inner cavity, the upper end of first spring 3 is fixedly installed with sealing ring 4, the upper portion of sealing ring 4 is provided with end cover main body 6, the outer ring of end cover main body 6 bottom is equipped with sealing groove 7, sealing groove 7 is used in cooperation with sealing ring 4.

[0022] The technical scheme passes through the sealing ring 4 of the upper end of cylinder body 1 is clamped in sealing groove 7 and seals and reinforces the side of end cover and cylinder body 1, ensures that sealing ring 4 is not deformed during installation, and after being clamped into sealing groove 7, the outside is designed by buckle type, can be clamped in the arc-shaped sealing groove 5 inside the side of arc-shaped clamping block 9 and protruding block 10 by using second spring 8, effectively prevents the leakage problem under high pressure, high temperature environment. Embodiments

[0023] On the basis of embodiment one, the utility model discloses as shown in Figure 4 The inner wall of sealing groove 7 is fixedly installed with second spring 8, the inner end of second spring 8 is fixedly installed with arc-shaped clamping block 9, the inner wall of arc-shaped clamping block 9 is fixedly installed with protruding block 10, and the protruding block 10 is arranged in an arc shape.

[0024] The technical scheme as shown in Figure 1 The combination design of second spring 8 and arc-shaped clamping block 9 can provide continuous pressure, ensure the close contact between sealing ring 4 and sealing groove 7, prevent oil leakage, and the elastic force of the spring makes arc-shaped clamping block 9 always closely adhere to sealing ring 4, so that stable sealing effect can be maintained even if sealing ring 4 is slightly deformed due to vibration or temperature change during the operation of the oil cylinder.

[0025] Secondly, in the technical scheme, the outer ring of the extension part of sealing ring 4 is equipped with arc-shaped sealing groove 5, and the arc-shaped sealing groove 5 can be matched with the upper protruding block 10;The bottom of cylinder body 1 is integrally provided with a positioning plate, and the surface of the positioning plate is equipped with a mounting hole 11 in a ring shape.

[0026] It adopts as Figure 1The matching design of the arc-shaped sealing edge groove 5 and the convex block 10 enhances the close contact between the sealing ring 4 and the sealing groove 7, effectively prevents oil leakage, and the matching of the arc-shaped sealing edge groove 5 and the convex block 10 can form a multiple sealing structure, which can maintain stable sealing effect even under high pressure, high temperature or vibration state; and the mounting hole 11 can quickly fix the cylinder body 1 on the equipment, ensure the accurate position of the sealing ring 4 and the sealing groove 7, and reduce installation error. Embodiment

[0027] The utility model discloses a whole diameter of end cover main part 6 is greater than the diameter of cylinder body 1 upper end installation part, and the outside annular mounting of end cover main part 6 upper end has a lifting lug. Figures 1-5 The whole diameter of the end cover is greater than the diameter of the upper end mounting portion of the cylinder body 1, facilitating the alignment and installation of the end cover and the cylinder body 1, providing a larger installation space for the diameter of the end cover, reducing the alignment difficulty during installation, improving the installation efficiency, and enabling the sealing ring 4 to compensate for the slight gap changes between the end cover and the cylinder body 1 due to the elastic design of the inner lip and the outer lip, thereby ensuring good sealing effect under different working conditions.

[0028] The working principle of the utility model is that the sealing ring 4 on the upper end of the cylinder body 1 is aligned with the sealing groove 7 at the bottom of the end cover and is clamped therein, the first spring 3 supports the bottom of the sealing ring 4, and after the upper end of the sealing ring 4 is completely clamped into the inside of the sealing groove 7, the second spring 8 extrudes and adheres to the outside of the sealing ring 4 against the arc-shaped clamping block 9, and at this time, the convex block 10 connected to the inner wall is correspondingly clamped in the inside of the arc-shaped sealing edge groove 5, thereby completing the sealing connection between the sealing ring 4 and the lower part of the end cover.

[0029]

[0030] ​It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0031] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0032] Finally, it should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. An oil cylinder end cover mounting processing side seal structure, comprising a cylinder body (1), characterized in that: The outer annular of the upper end of the cylinder (1) is provided with a movable groove (2), the bottom of the inner cavity of the movable groove (2) is provided with a first spring (3), the upper end of the first spring (3) is fixedly provided with a sealing ring (4), the upper side of the sealing ring (4) is provided with an end cover body (6), the outer ring of the bottom of the end cover body (6) is provided with a sealing groove (7), and the sealing groove (7) is used in cooperation with the sealing ring (4).

2. The side seal structure for mounting a rod end cover according to claim 1, wherein: The inner wall of the sealing groove (7) is fixedly provided with a second spring (8), the inner end of the second spring (8) is fixedly provided with an arc-shaped clamping block (9), the inner wall of the arc-shaped clamping block (9) is fixedly provided with a protruding block (10), and the protruding block (10) is arranged in an arc shape.

3. The oil cylinder end cover mounting process side seal structure according to claim 1, characterized in that: The outer annular of the extension part of the sealing ring (4) is provided with an arc-shaped sealing edge groove (5), and the arc-shaped sealing edge groove (5) is matched with the upper protruding block (10).

4. The oil cylinder end cover mounting process side seal structure according to claim 1, characterized in that: The bottom of the cylinder (1) is additionally integrally provided with a positioning plate, and the surface of the positioning plate is annularly provided with a mounting hole (11).

5. The oil cylinder end cap mounting process side seal structure of claim 1, wherein: The overall diameter of the end cover body (6) is greater than the diameter of the upper end mounting part of the cylinder (1), and a lifting lug is annularly mounted on the outer side of the upper end of the end cover body (6).

6. The oil cylinder end cover mounting process side seal structure according to claim 1, characterized in that: The sealing ring (4) adopts a double-lip design, and the inner lip and the outer lip are respectively in contact with the upper part of the end cover body (6) and the cylinder (1).

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