Self-adaptive sealing hydraulic oil cylinder sealing device

Abstract

The utility model provides a self-adaptive sealing hydraulic oil cylinder sealing device which comprises a connecting sealing structure, the connecting sealing structure comprises a plurality of moving frames and a rotating gear ring, a containing groove is formed in each moving frame, a horizontal strip is arranged at the top of each moving frame, a guide shaft is arranged on one side of the top of each horizontal strip, and the moving frames are connected with the rotating gear ring. The multiple movable frames are annularly arrayed on the outer wall of the hydraulic oil cylinder piston mechanism. By means of the connecting sealing structure capable of being unfolded outwards, the connecting sealing structure can move outwards to enable the sealing ring placed in the connecting sealing structure to be unfolded outwards, the sealing ring is separated from the piston body, and therefore the sealing ring fixed to the outer wall of the piston body can be rapidly taken down to be rapidly replaced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic oil cylinder technical field, concretely relates to a kind of self-adapting sealing hydraulic oil cylinder sealing device. BACKGROUND

[0002] Hydraulic oil cylinder is a kind of hydraulic energy conversion mechanical energy hydraulic actuator, mainly used to realize linear reciprocating motion or swing motion. It is the core execution element in hydraulic transmission system, can efficiently convert hydraulic energy into mechanical energy, realize the movement of various mechanical equipment.

[0003] Wherein the piston inside hydraulic oil cylinder slides in the inside of cylinder barrel, and sealing device needs to be installed between fire and cylinder barrel, but sealing device will appear abrasion after long time use, since sealing device and piston are tightly connected, when replacing the sealing device of piston outer wall, it is cumbersome to operate, and the sealing device of piston outer wall cannot be replaced quickly. UTILITY MODEL CONTENT

[0004] PURPOSE OF THE UTILITY MODEL

[0005] In view of the above technical problems, the utility model provides a kind of self-adapting sealing hydraulic oil cylinder sealing device to solve the technical problems mentioned in background art.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above purpose, the utility model provides a kind of self-adapting sealing hydraulic oil cylinder sealing device, including hydraulic oil cylinder piston mechanism, the top of the hydraulic oil cylinder piston mechanism is rotatably connected with rotating shaft, the top of the rotating shaft is clampedly connected with driving gear, the outer wall of the hydraulic oil cylinder piston mechanism is provided with connecting sealing structure.

[0008] Connecting sealing structure, including moving frame and rotating gear ring, the inside of the moving frame is provided with placing groove, the top of the moving frame is provided with horizontal bar, the top of the horizontal bar is provided with guide shaft on one side, the number of the moving frame is provided with multiple, multiple the moving frame annular array is in the outer wall of hydraulic oil cylinder piston mechanism.

[0009] Preferably, the hydraulic oil cylinder piston mechanism includes piston rod, the bottom of the piston rod is provided with piston body, the outer wall of the piston body is provided with side groove, the outer wall of the piston body is provided with vertical groove.

[0010] Preferably, the vertical groove is vertically arranged between the side groove, and the side groove is slidably connected with the moving frame.

[0011] Preferably, multiple placing grooves are provided with sealing ring, the outer wall of the sealing ring is provided with fitting ring.

[0012] Preferably, the rotating gear ring is in mesh with the driving gear, and the outer wall of the rotating gear ring is provided with a side frame, and one end of the side frame is provided with a support.

[0013] Preferably, the inside of the support is provided with an auxiliary groove, and the auxiliary groove is in sliding connection with the guide shaft.

[0014] Advantages

[0015] Compared with the prior art, the technical scheme of the utility model has the following advantages:

[0016] The connecting sealing structure can be moved outward, the sealing ring placed inside is expanded outward, the sealing ring is separated from the piston body, and thus the sealing ring fixed to the outer wall of the piston body can be quickly taken down and replaced.

[0017] The outer wall of the sealing ring is provided with an arc-shaped abutting ring in sliding connection with the inner wall of the cylinder body of the hydraulic oil cylinder, a plurality of abutting rings are arranged to increase the sealing property, the inside of the sealing ring is hollow, gas can be filled into the inside of the sealing ring to expand the sealing ring, and the self-adaptive sealing function is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a perspective view of the utility model;

[0019] Fig. 2 is a perspective view of a hydraulic oil cylinder piston mechanism of the utility model;

[0020] Fig. 3 is a perspective view of a connecting sealing structure of the utility model.

[0021] REFERENCE NUMERALS

[0022] 1, hydraulic oil cylinder piston mechanism; 101, piston rod; 102, piston body; 103, side groove; 104, vertical groove; 2, rotating shaft; 3, driving gear; 4, connecting sealing structure; 401, moving frame; 402, placing groove; 403, horizontal bar; 404, guide shaft; 405, sealing ring; 406, abutting ring; 407, rotating gear ring; 408, side frame; 409, support; 410, auxiliary groove. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "both sides" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0024] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Now refer to the drawings, the purpose of the drawings shown is only to show some exemplary embodiments, and is not intended to limit the utility model. In the drawings, the same reference signs represent the same or corresponding parts. The size and proportion in the drawings are only for illustration, and should not be interpreted as limiting the utility model, and the size may be enlarged relative to the actual product.

[0027] Referring to Figs. 1-3 , a kind of self-adapting sealing hydraulic cylinder sealing device shown, including hydraulic cylinder piston mechanism 1, the top of the hydraulic cylinder piston mechanism 1 is rotatably connected with rotating shaft 2, the top of the rotating shaft 2 is engagedly connected with driving gear 3, the outer wall of the hydraulic cylinder piston mechanism 1 is provided with connection sealing structure 4;

[0028] Connecting sealing structure 4, it includes mobile frame 401 and rotating tooth ring 407, the inside of mobile frame 401 is set up and places groove 402, the top of mobile frame 401 is provided with horizontal bar 403, one side of the top of horizontal bar 403 is provided with guide shaft 404, the number of mobile frame 401 is provided with multiple, multiple mobile frame 401 annular array is in the outer wall of hydraulic oil cylinder piston mechanism 1, multiple between the placement groove 402 is provided with sealing ring 405, the outer wall of sealing ring 405 is provided with the abutment ring 406, rotating tooth ring 407 is mutually engaged with driving gear 3, the outer wall of rotating tooth ring 407 is provided with side frame 408, one end of side frame 408 is provided with support 409, the inside of support 409 is set up and auxiliary groove 410, auxiliary groove 410 is slidably connected with guide shaft 404, when needing to quickly replace sealing ring 405 of the outer wall of rotating shaft 2, rotating shaft 2 is inserted into the inside of driving gear 3 and rotates rotating shaft 2, rotating shaft 2 drives driving gear 3 to rotate, and driving gear 3 drives connecting sealing structure 4 to rotate.

[0029] Further, in the above technical solution, the hydraulic oil cylinder piston mechanism 1 includes a piston rod 101, the bottom of the piston rod 101 is provided with a piston body 102, the outer wall of the piston body 102 is provided with a side groove 103, the outer wall of the piston body 102 is provided with a vertical groove 104, the vertical groove 104 is vertically arranged between the side groove 103, the side groove 103 is slidably connected with the mobile frame 401, the rotating tooth ring 407 is rotated on the top of the rotating shaft 2, the rotating tooth ring 407 drives the outer wall of the side frame 408 to rotate, the side frame 408 drives the auxiliary groove 410 to rotate, the auxiliary groove 410 drives the guide shaft 404 to move outward, the guide shaft 404 pushes the mobile frame 401 to extend from the inside of the vertical groove 104, then the mobile frame 401 drives the sealing ring 405 to expand outward, so that the sealing ring 405 is separated from the side groove 103, thereby the sealing ring 405 can be quickly taken out for replacement.

[0030] The above-described embodiments only express certain implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An adaptive seal hydraulic cylinder seal apparatus, comprising: The utility model provides a hydraulic cylinder piston mechanism, it includes Hydraulic cylinder piston mechanism (1), the top of hydraulic cylinder piston mechanism (1) is rotatably connected with rotating shaft (2), the top of rotating shaft (2) is clamped and is connected with driving gear (3), and the outer wall of hydraulic cylinder piston mechanism (1) is provided with connecting sealing structure (4); Connecting sealing structure (4) includes moving frame (401) and rotating gear ring (407), the inside of moving frame (401) is opened and placed with groove (402), the top of moving frame (401) is provided with horizontal bar (403), one side of horizontal bar (403) top is provided with guide shaft (404), the quantity of moving frame (401) is multiple, and multiple moving frame (401) annular array is in the outer wall of hydraulic cylinder piston mechanism (1).

2. A self-adapting sealing hydraulic cylinder sealing device according to claim 1, characterized in that: The utility model discloses a hydraulic cylinder piston mechanism, it includes piston rod (101), the bottom of piston rod (101) is provided with piston body (102), and the outer wall of piston body (102) is opened with side groove (103), and the outer wall of piston body (102) is opened with vertical groove (104).

3. A self-adapting seal hydraulic cylinder seal device according to claim 2, characterized in that: The vertical groove (104) is vertically arranged between the side groove (103), and the side groove (103) is slidably connected with the moving frame (401).

4. The self-adapting seal hydraulic cylinder seal apparatus of claim 1, wherein: Multiple placed grooves (402) are provided with sealing ring (405), and the outer wall of sealing ring (405) is provided with the abutment ring (406).

5. The self-adapting seal hydraulic cylinder seal apparatus of claim 1, wherein: The rotating gear ring (407) is engaged with the driving gear (3), and the outer wall of the rotating gear ring (407) is provided with the side frame (408), one end of the side frame (408) is provided with the support (409).

6. A self-adapting seal hydraulic cylinder seal apparatus as defined in claim 5, wherein: The inside of the support (409) is opened with the auxiliary groove (410), and the auxiliary groove (410) is slidably connected with the guide shaft (404).

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