Self-lubricating shaft sleeve

Abstract

The utility model discloses a self-lubricating shaft sleeve, which belongs to the technical field of mechanical engineering and comprises a body, a plurality of oil storage grooves are arranged on the inner side of the body, the oil storage grooves are communicated with one another, oil guide parts are arranged in the oil storage grooves, flowing gaps are formed between the oil guide parts and the bottoms of the oil storage grooves, and flowing ports are arranged on the oil guide parts. According to the self-lubricating shaft sleeve disclosed by the utility model, part of lubricating oil can be accumulated at the flowing port and lubricated at the uppermost part of the shaft, so that the lubricating effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field more specifically, it relates to a self -lubricating bushing. BACKGROUND

[0002] The bushing plays a vital role in mechanical equipment, mainly used for reducing friction and wear, ensuring smooth operation and high efficiency of mechanical equipment.

[0003] The utility model discloses a kind of wear-resistant high-temperature double helix self-lubricating bushings, it is related to bushing technical field, including bushing, a plurality of through holes are formed in the outer wall of the bushing, the outer wall of the bushing is provided with oil absorbing cotton, a plurality of sponge strips are fixedly installed on the inner wall of the oil absorbing cotton, the outer wall of the oil absorbing cotton is provided with protective shell, the outer wall of the protective shell is provided with liquid guide pipe.

[0004] The above-mentioned scheme solves the problem by setting the oil absorbing cotton and the plurality of sponge strips, which can ensure that the plurality of sponge strips are in a wet state for a long time, keeping the bushing lubricated during use, achieving self-lubrication, and facilitating the use of the bushing. Since the oil absorbing cotton can absorb a large amount of lubricating oil and remain wet, it avoids the locking of the bearing and the damage of the parts caused by the sudden lack of lubricating oil. By providing a plurality of through holes, the plurality of sponge strips can penetrate the outer wall of the bushing and directly contact the bearing, achieving lubrication.

[0005] The present application provides another technical solution to solve the technical problem. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a self-lubricating bushing.

[0007] The above technical purpose of the utility model is achieved by the following technical solutions:

[0008] A self-lubricating bushing includes a body, a plurality of oil storage grooves are formed in the inner side of the body, the plurality of oil storage grooves are interconnected, an oil guide is arranged in the oil storage groove, a flow gap is formed between the oil guide and the bottom of the oil storage groove, and the oil guide is provided with a flow port.

[0009] The utility model is further provided as follows: the oil guide includes a support plate, the support plate is fixed to the bottom of the oil storage groove, the flow port includes a through hole one and a through hole two connected in series, the through hole one and the through hole two are respectively located at the position of the support plate towards the bottom of the oil storage groove and away from the bottom of the oil storage groove, and the bottom of the oil storage groove forms a clearance groove connected with the through hole one.

[0010] The utility model further sets up: the size of the first section of the through hole is bigger than the size of the second section of the through hole.

[0011] The utility model further sets up: the support board is equipped with the connecting port, the bolt of threaded connection with the body is arranged in the connecting port.

[0012] The utility model further sets up: the support board forms the limit protruding for sliding into the give way groove.

[0013] The utility model further sets up: the oil storage groove is staggered and arranged in arc shape.

[0014] Summarized above, the utility model has following beneficial effect:

[0015] When the shaft sleeve rotates, the position of the support plate changes, the support plate will carry lubricating oil by the flow port, when the support plate is located at the top of the shaft, the lubricating oil will flow out through the flow port, thereby lubricating the top of the shaft, improving the lubricating effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure diagram of the utility model Figure 1 ;

[0017] Figure 2 It is structure diagram of the utility model Figure 2 ;

[0018] Figure 3 It is Figure 2 Enlarged view of A in the utility model.

[0019] In the drawing: 1, the body;2, oil storage groove;3, support plate;4, give way groove;5, connecting port;6, bolt;7, limit protruding;8, the first section of the through hole;9, the second section of the through hole. DETAILED DESCRIPTION

[0020] Below, the technical scheme in the embodiment of the utility model will be clearly and completely described in conjunction with the drawings in the embodiment of the utility model, in the description of the utility model, it is understood that, the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "in", "out" and the like are based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and not all the embodiments.

[0021] For example, Figure 1 And Figure 2As shown, the present application provides a self-lubricating bushing, which comprises a body 1, a plurality of oil storage grooves 2 are formed in the inner side of the body 1, the plurality of oil storage grooves 2 are communicated with each other, the body 1 is fixed on a swing arm, a shaft will pass through the body 1 and rotate with the body 1, the body 1 replaces the contact between the swing arm and the shaft, and when in use, lubricating oil will be added to the oil storage grooves 2, which will lubricate between the shaft and the body 1, the plurality of oil storage grooves 2 are arranged in an arc shape and staggered, which can ensure the range and effect of lubrication.

[0022] As shown in Figure 1 and Figure 2 and Figure 3 As shown, the oil storage groove 2 is provided with an oil guide, and the oil guide is provided with a flow port, wherein the oil guide comprises a support plate 3 fixed at the bottom of the oil storage groove 2, and the bottom of the oil storage groove 2 forms a clearance groove 4 communicated with the flow port, so that a flow gap is formed between the oil guide and the bottom of the oil storage groove 2, the lubricating oil in the oil storage groove 2 will enter the clearance groove 4 and the flow port through the flow gap, and the support plate 3 is provided with a connecting port 5, the connecting port 5 is provided with a bolt 6 screwed with the body 1, and the support plate 3 is provided with a limiting convex 7 for sliding into the clearance groove 4, and the limiting convex 7 and the clearance groove 4 are matched, and the bolt 6 is connected, so that the support plate 3 is fixed at the bottom of the oil storage groove 2, and the position stability of the support plate 3 is ensured.

[0023] As shown in Figure 1 and Figure 2 and Figure 3 As shown, the flow port comprises a through hole one 8 and a through hole two 9 communicated with each other, the through hole one 8 and the through hole two 9 are respectively located at the position of the support plate 3 towards the bottom of the oil storage groove 2 and away from the bottom of the oil storage groove 2, and the cross-sectional size of the through hole one 8 is larger than that of the through hole two 9.

[0024] When the bushing rotates, the position of the support plate 3 will continuously change, when the support plate 3 is located at the lowermost position of the shaft, the oil will gather in the oil storage groove 2 at this position due to gravity, and the lubricating oil will enter the flow port, when the support plate 3 moves from the lowermost position of the shaft to the uppermost position, the cross-sectional size of the through hole one 8 is larger than that of the through hole two 9, and the through hole two 9 is located away from the lowermost position of the through hole one 8, so that part of the lubricating oil will remain in the through hole one 8, so that the support plate 3 will carry the lubricating oil through the flow port, when the support plate 3 is located at the uppermost position of the shaft, the through hole two 9 is located at the position close to the lowermost position of the shaft of the through hole one 8, and the lubricating oil will flow out through the flow port due to gravity, thereby lubricating the uppermost position of the shaft and improving the lubrication effect.

[0025] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A self-lubricating bushing comprising a body (1), characterized in that: The body (1) is internally provided with a plurality of oil storage grooves (2), the plurality of oil storage grooves (2) are interconnected, an oil guide is arranged in the oil storage groove (2), a flow gap is formed between the oil guide and the bottom of the oil storage groove (2), and the oil guide is provided with a flow port.

2. A self-lubricating bushing according to claim 1, characterized in that: The oil guide comprises a support plate (3), the support plate (3) is fixed to the bottom of the oil storage groove (2), the flow port comprises a first through hole (8) and a second through hole (9) which are connected, the first through hole (8) and the second through hole (9) are respectively located at positions of the support plate (3) which are towards the bottom of the oil storage groove (2) and away from the bottom of the oil storage groove (2), and the bottom of the oil storage groove (2) is formed with a gap groove (4) which is communicated with the first through hole (8).

3. A self-lubricating bushing according to claim 2, characterized in that: The cross-sectional size of the first through hole (8) is greater than that of the second through hole (9).

4. A self-lubricating bushing according to claim 2, wherein: The support plate (3) is provided with a connecting port (5), and the connecting port (5) is provided with a bolt (6) which is screwed with the body (1).

5. A self-lubricating bushing according to claim 2, wherein: The support plate (3) is formed with a limiting convex (7) which is used for sliding into the gap groove (4).

6. A self-lubricating bushing according to claim 1, wherein: The plurality of oil storage grooves (2) are arranged in an arc staggered mode.

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