Piston with self-lubricating structure

Abstract

The utility model provides a piston with a self-lubricating structure, which belongs to the technical field of pistons, mainly aims to solve the problem of poor lubricating performance of the existing piston, and comprises a first piston main body and a second piston main body, a piston end is arranged at one end of the first piston main body, and a quick release component is arranged between the first piston main body and the piston end. Multiple sets of first oil inlet holes are formed in one end of the first piston body, multiple sets of oil outlet channels are formed in the first piston body, lubricating balls are arranged between the first piston body and the second piston body, an oil cavity is formed in the second piston body, and multiple sets of second oil inlet holes are formed in one end of the second piston body. When the piston moves downwards in the engine, engine oil at the bottom of the engine enters the oil cavity from the second oil inlet hole, and the lubricating ball moves in the oil outlet piece due to the movement of the piston, so that the engine oil can flow out from the oil cavity through the oil outlet piece, then enters the first oil inlet hole and is discharged through the oil outlet channel, and the piston can be lubricated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to piston technical field, more specifically, it is particularly related to a piston with self -lubricating structure. BACKGROUND

[0002] Piston is an important part in engine work, it reciprocates in engine, main role is to bear the combustion pressure in cylinder, and this force is given to crankshaft through piston pin and connecting rod, in the working process of piston, friction will cause the abrasion of piston, so need to lubricate the piston, and the traditional piston often has poor lubricating property, and dismounting is more cumbersome. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problem, the utility model provides a piston with self -lubricating structure to solve the technical problem that the traditional piston often has poor lubricating property and dismounting is more cumbersome in prior art.

[0004] The utility model discloses a piston with self -lubricating structure purposes and functions, by the following specific technical means reaches:

[0005] A piston with self -lubricating structure, including first piston main body and second piston main body, first piston main body one end is provided with piston end, first piston main body with fast detachable assembly is arranged between the piston end, first piston main body one end is opened with multiple first oil inlet hole, first piston main body is opened with multiple oil outlet in, first piston main body with lubricating ball is arranged between the second piston main body, second piston main body is opened with oil cavity, second piston main body one end is opened with multiple second oil inlet hole.

[0006] According to a preferred embodiment, the second piston main body is provided with an oil outlet member at one end close to the first piston main body, the oil outlet member is arranged at the opening of the oil cavity at one end away from the first piston main body, the lubricating ball is movably arranged in the oil outlet member, and a plurality of oil inlet channels are arranged at one end of the second piston main body away from the first piston main body.

[0007] According to a preferred embodiment, the plurality of oil inlet channels are in communication with the oil cavity at one end close to the first piston main body, the other end of the plurality of oil inlet channels is in communication with the second oil inlet hole, and one end of the plurality of oil outlet channels is in communication with the first oil inlet hole.

[0008] According to a preferred embodiment, the quick release assembly comprises a head connector, the head connector is provided with the head connector near one end of the first piston body, the quick release assembly further comprises a quick release pin and a spring, the spring is arranged on one side of the head connector, one end of the quick release pin passes through the first piston body and is arranged in the spring, a quick release slot is arranged on one end of the quick release pin, and a plurality of clamping grooves are arranged on one end of the quick release pin.

[0009] According to a preferred embodiment, the head connector is provided with a protruding portion near one end of the piston head, and the piston head is welded to the protruding portion, and the head connector is provided with two groups of gaskets.

[0010] According to a preferred embodiment, the surface of the first piston body is annularly provided with a plurality of clamping seats, the surface of the second piston body is annularly provided with a plurality of clamping pieces, one end of each of the plurality of clamping pieces is clamped in the clamping seat, and the plurality of clamping pieces are connected to the first piston body through bolts, and a plurality of connecting columns are arranged between the first piston body and the second piston body.

[0011] According to a preferred embodiment, the piston head is provided with an arc-shaped slot at one end, a sealing ring is arranged at one end of the piston head, an oil seal is arranged at one end of the sealing ring, and an oil ring is arranged at one end of the oil seal, and an external connector is arranged at one end of the second piston body.

[0012] According to a preferred embodiment, one side of each of the plurality of clamping pieces is welded to the second piston body, and one side of each of the plurality of clamping seats is welded to the first piston body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. When the piston moves downward in the engine, the oil at the bottom of the engine enters the oil cavity from the second oil inlet hole, and the lubricating ball moves in the oil outlet due to the movement of the piston, so that the oil can flow out of the oil cavity through the oil outlet, and then enter the first oil inlet hole, and then be discharged through the oil outlet, thereby lubricating the piston and improving the lubrication performance.

[0015] 2. When installing the piston, the user can insert the end connector into one end of the first piston body, then insert the quick release pin into the end connector and the first piston body, so that the end connector is connected with the second piston body, then the clamping piece on the surface of the second piston body is clamped into the clamping seat of the first piston body, and then fixed by the screw, the installation of the piston is completed, when disassembling the piston, the user can insert the external tool into the quick release slot of the quick release pin and clamp it into the clamping groove, then the quick release pin can be pulled out, the clamping piece is pulled out from the clamping seat by disassembling the disassembly screw, the disassembly of the piston is completed, and the disassembly and assembly are relatively simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure diagram of the piston with the self-lubricating structure of the utility model;

[0017] Figure 2 It is an explosion diagram of the piston with the self-lubricating structure of the utility model;

[0018] Figure 3 It is a front view of the second piston body in the piston with the self-lubricating structure of the utility model;

[0019] Figure 4 Figure 3 It is a sectional view of A-A;

[0020] Figure 5 It is a front view of the first piston body in the piston with the self-lubricating structure of the utility model;

[0021] Figure 6 It is Figure 5 It is a sectional view of B-B;

[0022] Figure 7 It is a structure diagram of the quick plug in the first piston body in the piston with the self-lubricating structure of the utility model.

[0023] In the drawing, the corresponding relationship between the component name and the drawing number is:

[0024] 10, the first piston body; 101, the first oil inlet hole; 102, the oil outlet; 11, the second piston body; 111, the oil outlet piece; 112, the lubricating ball; 113, the oil cavity; 114, the oil inlet; 115, the second oil inlet hole; 12, the piston end; 121, the sealing ring; 122, the oil seal; 123, the oil ring; 13, the connecting column; 131, the end connector; 132, the spring; 133, the gasket; 134, the quick release pin; 135, the quick release slot; 136, the clamping groove; 14, the clamping seat; 15, the clamping piece; 16, the external connecting piece. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0026] Embodiment:

[0027] As shown in the accompanying Figure 1 to the accompanying Figure 7 as shown:

[0028] The utility model provides a piston with self -lubricating structure, including first piston main body 10 and second piston main body 11, first piston main body 10 one end is provided with piston end 12, and quick release assembly is set up between first piston main body 10 and piston end 12, and user can carry out quick disassembly and assembly to piston end 12 and first piston main body 10 through quick release assembly, first piston main body 10 one end is set up with multiple first oil inlet hole 101, through the setting of first oil inlet hole 101, machine oil can enter to oil outlet 102, multiple oil outlets 102 are set up in first piston main body 10, and the machine oil that enters oil outlet 102 will flow out, thereby lubricating the piston, and lubricating ball 112 is set up between first piston main body 10 and second piston main body 11, and oil cavity 113 is set up in second piston main body 11, and multiple second oil inlet hole 115 are set up in one end of second piston main body 11, through the setting of second oil inlet hole 115, when the piston moves downward, the machine oil at the bottom of engine can enter from second oil inlet hole 115.

[0029] The end of second piston main body 11 close to first piston main body 10 is clamped with oil outlet piece 111, and the end of oil outlet piece 111 away from first piston main body 10 is set at the opening of oil cavity 113, and lubricating ball 112 is movably set in oil outlet piece 111, when the piston works, lubricating ball 112 keeps moving in oil outlet piece 111, thereby making machine oil flow out from oil outlet piece 111, and multiple oil inlet channels 114 are set at the end of second piston main body 11 away from first piston main body 10, and the machine oil entering second oil inlet hole 115 enters oil cavity 113 through oil inlet channel 114.

[0030] The end of multiple oil inlet channels 114 close to first piston main body 10 is communicated with oil cavity 113, and the other end of multiple oil inlet channels 114 is communicated with second oil inlet hole 115, and the end of multiple oil outlets 102 is communicated with first oil inlet hole 101, when the piston moves downward in engine, the machine oil at the bottom of engine enters from second oil inlet hole 115 into oil cavity 113, and lubricating ball 112 moves in oil outlet piece 111 due to the movement of the piston, so that machine oil can flow out from oil cavity 113 through oil outlet piece 111, then enter first oil inlet hole 101, and be discharged through oil outlet channel 102, so that machine oil can be repeatedly circulated, thereby ensuring the lubrication of the piston and improving the lubrication performance.

[0031] Wherein, please refer to as Figures 2 to 7 The quick release assembly includes a head connector 131, the head connector 131 is provided near one end of the first piston body 10, the quick release assembly further includes a quick release pin 134 and a spring 132, the spring 132 is provided on one side of the head connector 131, one end of the quick release pin 134 passes through the first piston body 10 and is provided in the spring 132, when the quick release pin 134 is inserted into the spring 132, the spring 132 can be expanded, so that the spring 132 can be in friction with the inner wall of the first piston body 10, preventing the quick release pin 134 from sliding out of the first piston body 10, one end of the quick release pin 134 is provided with a quick release slot 135, one end of the quick release pin 134 is provided with a plurality of clamping grooves 136, the head connector 131 is provided with a protruding portion near one end of the piston head 12, the piston head 12 is welded with the protruding portion at one end, and the head connector 131 is provided with two groups of gaskets 133.

[0032] The surface of the first piston body 10 is annularly provided with a plurality of clamping seats 14, one side of each of the plurality of clamping seats 14 is welded with the first piston body 10, the surface of the second piston body 11 is annularly provided with a plurality of clamping pieces 15, one side of each of the plurality of clamping pieces 15 is welded with the second piston body 11, the groove of the clamping seat 14 is matched with the clamping piece 15, the user can clamp the clamping piece 15 into the clamping seat 14, the plurality of clamping pieces 15 are connected with the first piston body 10 through bolts, the first piston body 10 and the second piston body 11 are provided with a plurality of connecting columns 13, the user can first fix the first piston body 10 and the second piston body 11 through the connecting column 13, and then fix them through the clamping piece 15 and the clamping seat 14.

[0033] One end of the piston head 12 is provided with an arc-shaped slot, the piston head 12 is provided with a sealing ring 121, the sealing ring 121 can prevent fuel gas from entering the piston, the sealing ring 121 is provided with an oil seal 122 at one end, the oil seal 122 prevents gasoline from entering the piston, the oil seal 122 is provided with an oil ring 123 at one end, the oil ring 123 can prevent machine oil from entering the combustion chamber, the second piston body 11 is provided with an external connector 16 at one end, the external connector 16 can be connected with the engine, so that the piston can work normally.

[0034] When the piston is installed, the user can insert the end connector 131 into one end of the first piston body 10, then insert the quick release pin 134 into the end connector 131 and the first piston body 10, so that the end connector 131 is connected with the second piston body 11, then the clamping piece 15 on the surface of the second piston body 11 is clamped into the clamping seat 14 of the first piston body 10, and then the clamping piece 15 is fixed by screws, so that the installation of the piston is completed; when the piston is disassembled, the user can insert an external tool into the quick release slot 135 of the quick release pin 134 and clamp it into the clamping slot 136, then the quick release pin 134 can be pulled out, the disassembly screw is disassembled, so that the clamping piece 15 is pulled out from the clamping seat 14, and the disassembly of the piston is completed, and the disassembly and assembly are relatively simple.

[0035] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A piston having a self-lubricating structure, characterized by: The utility model provides a piston, including first piston body (10) with second piston body (11), first piston body (10) one end is provided with piston end head (12), be provided with quick release assembly between first piston body (10) with piston end head (12), first piston body (10) one end is seted up with a plurality of first oil hole (101), be seted up with a plurality of oil outlet (102) in first piston body (10), be provided with lubricating ball (112) between first piston body (10) with second piston body (11), be seted up with oil cavity (113) in second piston body (11), second piston body (11) one end is seted up with a plurality of second oil hole (115).

2. The piston with a self-lubricating structure according to claim 1, characterized in that: Second piston body (11) is close to the one end of first piston body (10) and is clamped and is set with oil outlet piece (111), the one end of oil outlet piece (111) is set in the opening of oil cavity (113) away from first piston body (10), lubricating ball (112) is movably arranged in oil outlet piece (111), the one end of second piston body (11) is set with a plurality of oil inlet (114) away from first piston body (10).

3. The piston with a self-lubricating structure according to claim 2, characterized in that: A plurality of oil inlet (114) are close to the one end of first piston body (10) and are all communicated with oil cavity (113), and the other end of a plurality of oil inlet (114) is all communicated with second oil hole (115), and one end of a plurality of oil outlet (102) is all communicated with first oil hole (101).

4. The piston with a self-lubricating structure as claimed in claim 1, characterized in that: The quick release assembly includes head connector (131), the one end of head connector (131) is provided with head connector (131) close to first piston body (10), the quick release assembly also includes quick release pin (134) and spring (132), the side of head connector (131) is provided with spring (132), one end of quick release pin (134) passes through first piston body (10) and is arranged in spring (132), one end of quick release pin (134) is provided with quick release groove (135), and one end of quick release pin (134) is provided with a plurality of clamping grooves (136).

5. A piston having a self-lubricating structure as set forth in claim 4, characterized in that: The one end of head connector (131) is provided with protruding part close to piston end head (12), and one end of piston end head (12) is welded with the protruding part, and two groups of gaskets (133) are arranged on head connector (131).

6. The piston with a self-lubricating structure as claimed in claim 1, characterized in that: The surface of first piston body (10) is annularly provided with a plurality of clamping seats (14), and the surface of second piston body (11) is annularly provided with a plurality of clamping pieces (15), one end of a plurality of clamping pieces (15) is clamped in the clamping seat (14), a plurality of clamping pieces (15) are connected with first piston body (10) through bolts, and a plurality of connecting columns (13) are arranged between first piston body (10) and second piston body (11).

7. The piston with a self-lubricating structure according to claim 1, characterized in that: The piston end head (12) is provided with an arc-shaped slot at one end, a sealing ring (121) is arranged at one end of the piston end head (12), an oil seal (122) is arranged at one end of the sealing ring (121), an oil ring (123) is arranged at one end of the oil seal (122), and an external connecting piece (16) is arranged at one end of the second piston body (11).

8. The piston with a self-lubricating structure as claimed in claim 6, characterized in that: A plurality of groups of the clamping pieces (15) are welded to one side of the second piston body (11), and a plurality of groups of the clamping bases (14) are welded to one side of the first piston body (10).

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