CN218624435U

CN218624435U - Plug-in type piston

Info

Publication number: CN218624435U
Application number: CN202222255630.6U
Authority: CN
Inventors: 戴杰
Original assignee: Xuzhou Sanhe Mechanical Parts Co ltd
Current assignee: Xuzhou Sanhe Mechanical Parts Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-14
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a piston technical field specifically is a plug-in type piston, be convenient for change the piston main part after long-time use, thereby avoid the head of piston to cause the damage because of wearing and tearing easily, avoid influencing piston overall structure's result of use, thereby the normal use effect of the device has been guaranteed, the practicality is better, including piston main part and the piston skirt body, the top of the piston skirt body is provided with installation mechanism, two adjustment tanks and an inserting groove have been seted up to the inside of the piston skirt body, it is provided with the slide to slide in the adjustment tank, the one end that two slides were kept away from each other is all through the inside wall fixed connection of a plurality of first springs and adjustment tanks, the equal fixedly connected with compression bar of one end that two slides were kept away from each other, the equal fixedly connected with connecting block of the relative one end of two slides, the other end of connecting block is rotated and is connected with the connecting rod, the connecting rod extends to inserting section inslot and fixedly connected with locating part through the regulation hole.

Description

Plug-in type piston

Technical Field

The utility model relates to a piston technical field specifically is a plug-in type piston.

Background

As is known, the piston is a reciprocating part in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber form, most gasoline engines adopt flat-top pistons, the engine has the advantages of small heat absorption area, the top part of the piston of the diesel engine is often provided with various pits, the specific shape, position and size of the pits are required to be matched with the requirements of combustion and formation of mixed gas of the diesel engine, and the piston structure in the prior art has poor sealing performance, and is easy to leak oil particularly when bearing large mechanical load, thus a plug-in type piston is provided.

Through retrieval, the utility model with the patent publication number of CN204827701U discloses a plug-in type piston, which comprises an upper piston body and a lower piston body, wherein the upper end surface of the lower piston body is provided with an annular groove, and the lower end surface of the upper piston body is provided with an annular boss corresponding to the annular groove; the upper portion piston body is pegged graft together through recess and boss with the lower part piston body inboard, and its prior art scheme mutually supports through upper portion piston body and the lower part piston body that sets up, makes upper portion piston body and lower part piston body junction area of contact increase, and the frictional resistance of junction also increases, and piston body joint strength is high, and annular cooling oil pocket leakproofness is good moreover, can improve the performance of piston, but still has following defect: after the piston is used for a long time, the head of the piston is easily damaged due to abrasion, the using effect of the overall structure of the piston is influenced, the normal operation of the cylinder is influenced, the practicability is low, and therefore the plug-in type piston convenient for replacing the piston head is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a plug-in type piston convenient to dismantle and change.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plug-in type piston, includes the piston main part and the piston skirt body, the top of the piston skirt body is provided with installation mechanism, two adjustment tanks and an inserting groove have been seted up to the inside of the piston skirt body, it is provided with the slide to slide in the adjustment tank, two the one end that the slide kept away from each other all is through the inside wall fixed connection of a plurality of first springs and adjustment tank, and the equal fixedly connected with compression bar of one end that two slides kept away from each other just extends to the outside of the piston skirt body, the equal fixedly connected with connecting block of the relative one end of two slides, the other end of connecting block rotates and is connected with the connecting rod, the connecting rod extends to the inslot of inserting and fixedly connected with locating part through the regulation hole, is provided with the axis of rotation in the regulation hole, the axis of rotation is connected with the connecting rod rotation, the piston main part inserts to the inserting inslot, the top fixedly connected with installation piece of piston main part, set up two spacing holes with locating part looks adaptation in the installation piece.

Preferably, installation mechanism includes the mounting panel, the bottom of mounting panel and the top fixed connection of piston skirt body, two L templates of top fixedly connected with of mounting panel, two the mounting hole has been seted up on the L template.

Further, the circumferential surface of the piston main body is provided with a sealing ring, an annular rubber mat is installed at the bottom end of the piston skirt body, and the sealing ring is tightly attached to the annular rubber mat.

Still further, the one end that two the compaction rods kept away from each other all extends to the outside of piston skirt and installs the first in command.

On the basis of the scheme, the outer surface of the piston main body is provided with a wear-resistant layer, and the wear-resistant layer is a component made of polytetrafluoroethylene materials.

On the basis of the above scheme, further, both the two limiting pieces are in a semi-arc shape.

(III) advantageous effects

Compared with the prior art, the utility model provides a plug-in type piston possesses following beneficial effect:

this plug-in type piston, it is when using, through promoting two compression rods, make it drive the slide and slide in the adjustment tank, thereby pass through the connecting block, the connecting rod, the mutually supporting of axis of rotation drives the locating part and removes in inserting the festival inslot, thereby make the locating part take off spacing hole, it is fixed to the restriction of piston main part to make it relieve, take out the piston main part again, put into new piston main part once more to inserting the festival inslot, reverse operation installs piston main part and piston skirt body, it is convenient for change the piston main part after using for a long time, thereby avoid the head of piston to cause the damage because of wearing and tearing easily, avoid influencing piston overall structure's result of use, thereby the normal use effect of the device has been guaranteed, and the practicality is better.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a piston body; 2. a piston skirt; 3. inserting grooves; 4. a slide plate; 5. a first spring; 6. A hold down bar; 7. connecting blocks; 8. a connecting rod; 9. a limiting member; 10. a rotating shaft; 11. mounting blocks; 12. Mounting a plate; 13. an L-shaped plate; 14. mounting holes; 15. a seal ring; 16. an annular rubber pad; 17. a first handle; 18. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a plug-in type piston comprises a piston main body 1 and a piston skirt body 2, wherein an installation mechanism is arranged at the top end of the piston skirt body 2, two adjustment grooves and a plug-in groove 3 are formed in the piston skirt body 2, sliding plates 4 are slidably arranged in the adjustment grooves, one ends of the two sliding plates 4, which are away from each other, are fixedly connected with the inner side walls of the adjustment grooves through a plurality of first springs 5, the sliding plates 4 are conveniently driven to move through the arrangement of the first springs 5, and then a connecting rod 8 is matched with a rotating shaft 10, so that a limiting member 9 is conveniently driven to move in the plug-in groove, the piston main body 1 is conveniently disassembled through the movement of the limiting member 9, one ends of the two sliding plates 4, which are away from each other, are fixedly connected with a pressing rod 6 and extend to the outside of the piston skirt body 2, and one ends of the two sliding plates 4, which are opposite, are fixedly connected with a connecting block 7, the other end of the connecting block 7 is rotatably connected with a connecting rod 8, the connecting rod 8 extends into the inserting section groove through a regulating hole and is fixedly connected with a limiting part 9, a rotating shaft 10 is arranged in the regulating hole, the rotating shaft 10 is rotatably connected with the connecting rod 8, the piston main body 1 is inserted into the inserting groove 3, a sealing ring 15 is arranged on the circumferential surface of the piston main body 1, an annular rubber gasket 16 is arranged at the bottom end of the piston skirt body 2, the sealing ring 15 is tightly attached to the annular rubber gasket 16, the contact area between the piston skirt body 2 and the piston main body 1 is increased through the arrangement of the annular rubber gasket 16 and the sealing ring 15, the stability of the piston main body 1 after installation is further improved, the deformation of equipment is reduced, the service life of the equipment is prolonged, the top end of the piston main body 1 is fixedly connected with an installation block 11, two limiting holes matched with the limiting part 9 are formed in the installation block 11, and the two limiting parts 9 are both in a semi-arc shape, the design of the semi-arc shape is convenient for inserting the limiting part 9 into a limiting hole arranged in the mounting block 11.

Still need explain, installation mechanism includes mounting panel 12, the bottom of mounting panel 12 and the top fixed connection of piston skirt body 2, two L templates 13 of top fixedly connected with of mounting panel 12, mounting hole 14 has been seted up on two L templates 13, can be according to service environment's difference, thereby choose for use different mounting panels 12, L template 13, two one end that compress tightly the pole 6 and keep away from each other all extend to the outside of piston skirt body 2 and install the first in command 17 that is convenient for drive compress tightly pole 6 and carry out the removal, the surface of piston main part 1 is provided with wearing layer 18, the wearing layer is a polytetrafluoroethylene material's component, wearing layer 18 through setting up, thereby improve the wear resistance of piston main part 1, the life of extension equipment.

To sum up, this plug-in type piston, when changing piston main part 1, the user at first case promotes two first in command 17 to the piston skirt body 2, drive compressing tightly pole 6 through first in command 17, thereby make compressing tightly pole 6 drive slide 4 and slide in the adjustment tank, connecting rod 8 is driven to connecting block 7 of rethread fixed connection on slide 4, make connecting rod 8 cooperation axis of rotation 10 rotate, thereby drive with connecting rod 8 fixed connection's locating part 9, make locating part 9 break away from the spacing hole of seting up in the installation piece 11, thereby take out old piston main part 1 from the groove of inserting section, put into new piston main part 1 to the inslot of inserting section once more, reverse operation with piston main part 1 with the piston skirt body 2 install can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plug-in type piston, includes piston main part (1) and piston skirt body (2), its characterized in that: the top of the piston skirt body (2) is provided with installation mechanism, two adjustment tanks and an inserting groove (3) have been seted up to the inside of the piston skirt body (2), it is provided with slide (4) to slide in the adjustment tank, two the one end that slide (4) kept away from each other all is through the inside wall fixed connection of a plurality of first springs (5) and adjustment tank, the equal fixedly connected with compression bar (6) of one end that two slides (4) kept away from each other just extend to the outside of piston skirt body (2), the equal fixedly connected with connecting block (7) of one end that two slides (4) are relative, the other end of connecting block (7) rotates and is connected with connecting rod (8), connecting rod (8) extend to inserting groove and fixedly connected with locating part (9) through the regulation hole, are provided with axis of rotation (10) in the regulation hole, axis of rotation (10) rotate with connecting rod (8) and are connected, piston main part (1) inserts in inserting groove (3), the top fixedly connected with installation piece (11) of piston main part (1), set up two spacing holes with locating part (9) looks adaptation in installation piece (11).

2. A plug-in piston according to claim 1, characterized in that: installation mechanism includes mounting panel (12), the bottom of mounting panel (12) and the top fixed connection of piston skirt body (2), two L templates (13) of top fixedly connected with of mounting panel (12), two mounting hole (14) have been seted up on L template (13).

3. A plug-in piston according to claim 2, characterized in that: the circumference surface of piston main part (1) is provided with sealing ring (15), annular cushion (16) are installed to the bottom of piston skirt body (2), sealing ring (15) and annular cushion (16) closely laminate.

4. A plug-in piston according to claim 3, characterized in that: one ends, far away from each other, of the two pressing rods (6) extend to the outside of the piston skirt body (2) and are provided with first handles (17).

5. A plug-in piston according to claim 4, characterized in that: the outer surface of the piston main body (1) is provided with a wear-resistant layer (18), and the wear-resistant layer is a component made of polytetrafluoroethylene materials.

6. A plug-in piston according to claim 5, characterized in that: two locating parts (9) are both in a semi-arc shape.