Dustproof guide rod air cylinder

Abstract

The utility model discloses a dustproof guide rod air cylinder which comprises a cylinder body, a piston movably arranged in the cylinder body, a piston rod fixed to the piston, two guide grooves formed in the cylinder body in a penetrating mode and two guide rods installed in the guide grooves in a sliding mode, and one ends of the two guide rods and one end of the piston rod extend to the outer side of the cylinder body. A pressing plate is installed on one side of the cylinder body, a plurality of sealing rings are arranged on the pressing plate, a plurality of through holes are formed in the pressing plate in a penetrating mode, annular grooves are formed in the inner side walls of the through holes, spacer sleeves are installed in the annular grooves and tightly attached to the adjacent guide rods and the piston rods, and a blocking cover is installed at one end of each guide groove. According to the utility model, the sealing ring and the spacer sleeve can play a dual blocking role on dust, so that the dust attached to the outer side of the guide rod cannot enter the cylinder body, the abrasion of the guide rod and the cylinder body is reduced, and the service life of the guide rod and the cylinder body is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air cylinder, concretely is a dustproof guide rod air cylinder. BACKGROUND

[0002] Air cylinder is a kind of device that fluid pressure energy is converted into mechanical energy, it is widely used in various control equipment, such as printing, semiconductor, automation control, robot etc., for producing force and control movement, air cylinder is various, including slide air cylinder, double-shaft air cylinder and guide rod air cylinder etc., the feature of guide rod air cylinder is self-guiding function, can bear certain lateral load.

[0003] The existing guide rod air cylinder is used in the environment with more dust, dust is easily attached on piston rod and guide rod, however, usually only piston rod is sealed, guide rod is not sealed, thus dust can enter cylinder body along with guide rod, leading to accelerated wear of guide rod and cylinder body, influence its service life. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a dustproof guide rod air cylinder to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a dustproof guide rod air cylinder, including cylinder body, piston movably arranged in the inside of cylinder body, piston rod fixed on piston, two guide grooves penetratingly arranged on cylinder body and two guide rods slidingly installed in the inside of guide groove, the one end of two guide rods and piston rod extends to the outside of cylinder body, the one side of cylinder body is equipped with pressing plate, a plurality of sealing rings are equipped on the pressing plate, a plurality of through holes are penetratingly equipped on the pressing plate, annular groove is formed on the inner side wall of through hole, baffle sleeve is installed in the inside of annular groove, baffle sleeve is tightly attached to adjacent guide rod and piston rod, the one end of guide groove is equipped with baffle cover, and the one side of baffle cover is equipped with snap spring.

[0006] As a preferred scheme of the utility model, a plurality of copper bushings are arranged on the cylinder body.

[0007] As a preferred scheme of the utility model, the push plate is fixedly connected between the two guide rods and piston rod.

[0008] As a preferred scheme of the utility model, the one end of two guide rods and piston rod passes through copper bushing, baffle sleeve and sealing ring in sequence and is connected with push plate.

[0009] As a preferred scheme of the utility model, the screw is penetratingly arranged on the pressing plate and is screw-connected with the cylinder body.

[0010] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the sealing ring and the baffle sleeve can play double blocking effect to the dust, make the dust adhered to the outside of the guide rod unable to enter into the cylinder body, thereby reduce the wear and tear of the guide rod and the cylinder body, prolong its life. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the utility model Figure 1 The explosion map of;

[0013] Figure 3 It is the structure schematic drawing of the bottom of the utility model;

[0014] Figure 4 It is the structure schematic drawing of the utility model pressing plate.

[0015] In the drawing: 1, cylinder body;2, piston rod;3, guide rod;4, push plate;5, pressing plate;6, sealing ring;7, piston;8, screw;9, baffle sleeve;10, guide slot;11, copper bush;12, cover;13, clasp spring;14, annular groove;15, through -hole. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0017] Please refer to Figures 1 to 4The utility model provides a technical scheme: a dustproof guide rod air cylinder, including cylinder body 1, the piston 7 of movable setting in the inside of cylinder body 1, the piston rod 2 of fixed on piston 7, two guide groove 10 of through setting on cylinder body 1, and two guide rod 3 of sliding installation in the inside of guide groove 10, two guide rod 3 with the one end of piston rod 2 all extends to the outside of cylinder body 1, the one side of cylinder body 1 is equipped with presser plate 5, is equipped with a plurality of sealing rings 6 on presser plate 5, sealing ring 6 with baffle 9 all can block the dust attached to the outside of guide rod 3, avoid dust with guide rod 3 and move into cylinder body 1, thereby reduce the abrasion of guide rod 3 and cylinder body 1, prolong its life, a plurality of through -hole 15 are equipped with on presser plate 5, the inside wall of through -hole 15 is equipped with annular groove 14, annular groove 14 is used to limit the position of baffle 9, prevent baffle 9 with piston rod 2 or guide rod 3 and move, the inside of annular groove 14 is equipped with baffle 9, baffle 9 is tightly attached with adjacent guide rod 3 and piston rod 2, one end of guide groove 10 is equipped with cover 12, cover 12 is used to shield one end of guide groove 10, prevent dust from entering guide groove 10, one side of cover 12 is equipped with snap spring 13, snap spring 13 is used to fix cover 12, prevent cover 12 from separating with cylinder body 1.

[0018] Wherein, a plurality of copper bushings 11 are arranged on the cylinder body 1, and the copper bushings 11 are used for guiding.

[0019] Wherein, the two guide rods 3 and the piston rod 2 are fixedly connected with the push plate 4, the push plate 4 is used for connecting the two guide rods 3 and the piston rod 2, and the guide rod 3 can guide the piston rod 2.

[0020] Wherein, the two guide rods 3 and the piston rod 2 are fixedly connected with the push plate 4.

[0021] Wherein, the presser plate 5 is provided with a screw 8 which is threadedly connected with the cylinder body 1, the screw 8 is used for fixing the presser plate 5 on the cylinder body 1, and the presser plate 5 is tightly attached with the cylinder body 1, so that there is no gap for dust to enter.

[0022] Specifically, when the dust is attached to the outside of the guide rod 3, the sealing ring 6 can block the dust, even if a small part of dust passes through the sealing ring 6, the dust will be blocked by the baffle 9, so that the dust cannot enter the cylinder body 1 along with the guide rod 3, thereby reducing the abrasion of the guide rod 3 and the cylinder body 1, and prolonging the service life.

[0023] In the description of the utility model, need understanding is, the term "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as a restriction on the utility model.

[0024] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one of the features.

[0025] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "arrangement", "connection", "fixation", "screw connection" and so on should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise expressly limited, for those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0026] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A dustproof guide rod cylinder, comprising a cylinder body (1), a piston (7) movably arranged inside the cylinder body (1), a piston rod (2) fixed on the piston (7), two guide grooves (10) penetratingly arranged on the cylinder body (1), and two guide rods (3) slidingly installed inside the guide grooves (10), both of the two guide rods (3) extending to the outside of the cylinder body (1) from one end of the piston rod (2), characterized in that: One side of the cylinder (1) is provided with a pressing plate (5), a plurality of sealing rings (6) are arranged on the pressing plate (5), a plurality of through holes (15) are arranged on the pressing plate (5), an annular groove (14) is arranged on the inner side wall of the through hole (15), a retaining sleeve (9) is arranged in the annular groove (14), the retaining sleeve (9) is tightly attached to the adjacent guide rod (3) and piston rod (2), one end of the guide groove (10) is provided with a cover (12), and one side of the cover (12) is provided with a clamping spring (13).

2. A dust-proof guide rod cylinder according to claim 1, characterized in that: A plurality of copper sleeves (11) are arranged on the cylinder (1).

3. A dust-proof guide rod cylinder according to claim 2, characterized in that: The two guide rods (3) and the piston rod (2) are fixedly connected with a push plate (4).

4. A dust-proof guide rod cylinder according to claim 3, characterized in that: One end of the two guide rods (3) and the piston rod (2) sequentially penetrates the copper sleeve (11), the retaining sleeve (9) and the sealing ring (6) and is connected with the push plate (4).

5. A dust-proof guide rod cylinder according to claim 1, characterized in that: The pressing plate (5) is provided with a screw (8) which is threadedly connected with the cylinder (1).

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