CN213175855U

CN213175855U - Piston not easy to fall off

Info

Publication number: CN213175855U
Application number: CN202021284727.4U
Authority: CN
Inventors: 林炳伟
Original assignee: Zhejiang Zhenkai Piston Manufacturing Co ltd
Current assignee: Zhejiang Zhenkai Piston Manufacturing Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-11
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a piston technical field just discloses a piston that is difficult for droing, including the piston body, butt joint groove has been seted up to the upper surface of piston body, the mounting groove has been seted up to the top on the outer edge of piston body, the bearing has been cup jointed in the inner wall activity of mounting groove, spacing hole has been seted up to the outer wall of bearing, the go-between has been cup jointed in the outer wall activity of bearing, the inner wall fixed mounting of go-between has spacing spring, two fixture blocks of other end fixedly connected with of spacing spring, two the inboard fixed mounting of fixture block has two reset spring. The utility model discloses an organizational structure of go-between, spacing spring and race ring, the device can make the stability of the in-process guarantee its motion of piston motion again, can ensure its seal simultaneously, makes its in-process go-between and the bearing phase limit joint that uses, and the bearing cup joints with piston body activity, is difficult for droing when can making the go-between reuse, the stability among the guarantee piston in-service use.

Description

Piston not easy to fall off

Technical Field

The utility model relates to a piston technical field specifically is a piston that is difficult for droing.

Background

The piston is a reciprocating element in the cylinder body of the automobile engine. The basic structure of the piston can be divided into a crown, a crown and a skirt. The piston crown is the main part that makes up the combustion chamber and its shape is related to the combustion chamber form chosen. The gasoline engine mostly adopts a flat-top piston, and has the advantage of small heat absorption area. The top of the piston of a diesel engine often has various pits, the specific shape, position and size of which must be adapted to the requirements of the mixture formation and combustion of the diesel engine.

Present piston again with the in-process of cylinder contact, because the most steel rings that adopt of its peripheral go-between prepare, and seted up the notch, adopt the form of fluting joint to install mostly when reinstalling, lead to its in-service use in-process can make the piston easily drop or the piston ring easily drops, and still can make the go-between fracture in the violent motion process, for this reason the utility model discloses release a piston that is difficult for droing.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a piston that is difficult for droing, it is more stable to possess the piston and be connected with the cylinder, and difficult fracture, improve the advantage of the stability of piston use, the in-process with the cylinder contact again of current piston has been solved, because the steel ring is adopted to prepare mostly to its peripheral go-between, and the notch has been seted up, the form that adopts the fluting joint mostly when reinstalling is installed, lead to leading to its in-service use in-process can make the piston easily drop or the piston ring easily drops, and still can make the cracked problem of go-between in violent motion process.

The utility model provides a following technical scheme: the utility model provides a piston that is difficult for droing, includes the piston body, butt joint groove has been seted up to the upper surface of piston body, the mounting groove has been seted up to the top on the outer edge of piston body, the bearing has been cup jointed in the inner wall activity of mounting groove, spacing hole has been seted up to the outer wall of bearing, the go-between has been cup jointed in the outer wall activity of bearing, the inner wall fixed mounting of go-between has spacing spring, two fixture blocks of the other end fixedly connected with of spacing spring, two the inboard fixed mounting of fixture block has two reset spring, two fixture block and spacing hole looks adaptation, the through-hole has been seted up to the outer wall of piston body, the through-hole is located the below of mounting groove.

Preferably, the piston body, the connecting ring and the bearing are all made of stainless steel plates, the outer wall of the piston body is coated with anticorrosive paint, and the inner wall of the piston body is coated with lubricating oil.

Preferably, the number of the mounting grooves is three, the mounting grooves are all located on the outer wall of the piston body, and the distance between the mounting grooves is equal to three.

Preferably, the quantity in spacing spring and spacing hole all has six, six spacing spring all is located the inner wall of go-between, and six interval between the spacing spring equals, six spacing hole all is located the outer wall of bearing, and six interval between the spacing hole equals.

Preferably, the inner wall of the connecting ring is attached to the outer wall of the bearing, and the inner wall of the bearing is attached to the outer wall of the mounting groove.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this piston that is difficult for droing, through the organizational structure who utilizes go-between, spacing spring and race ring, the device can make the stability of its motion of in-process guarantee that the piston moves again, and can guarantee its seal simultaneously, makes its in-process go-between and bearing limit mutually joint that uses, and the bearing cup joints with the activity of piston body, is difficult for droing when can making the go-between reuse, ensures the stability among the piston in-service use.

2. This piston that is difficult for droing through the organizational structure who adopts fixture block and reset spring, the device can be convenient for to the installation of go-between, can make its in-process of reusing improve its convenience of using, and also can ensure the stability of its operation simultaneously.

Drawings

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

fig. 2 is a schematic view of the structure of the connection ring of the present invention;

FIG. 3 is a schematic view of the bearing structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a piston body; 2. mounting grooves; 3. a connecting ring; 4. a through hole; 5. a movable groove; 6. a butt joint groove; 7. a bearing; 8. a limiting hole; 9. a limiting spring; 10. a clamping block; 11. a return spring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a piston not prone to falling off includes a piston body 1, a butt-joint groove 6 is formed in the upper surface of the piston body 1, a mounting groove 2 is formed above the outer edge of the piston body 1, a bearing 7 is movably sleeved on the inner wall of the mounting groove 2, a limiting hole 8 is formed in the outer wall of the bearing 7, a connecting ring 3 is movably sleeved on the outer wall of the bearing 7, a limiting spring 9 is fixedly mounted on the inner wall of the connecting ring 3, two clamping blocks 10 are fixedly connected to the other end of the limiting spring 9, two reset springs 11 are fixedly mounted on the inner sides of the two clamping blocks 10, the two clamping blocks 10 are matched with the limiting hole 8, a through hole 4 is formed in the outer wall of the piston body 1, the through hole 4 is located below the mounting groove 2.

The piston body 1, the connecting ring 3 and the bearing 7 are all made of stainless steel plates, the outer wall of the piston body is coated with anticorrosive paint, and the inner wall of the piston body is coated with lubricating oil.

Wherein, the quantity of mounting groove 2 has threely, and three mounting groove 2 all is located piston body 1's outer wall, and the interval between the three mounting groove 2 equals.

Wherein, the quantity of spacing spring 9 and spacing hole 8 all has six, and six spacing springs 9 all are located the inner wall of go-between 3, and the interval between six spacing springs 9 equals, and six spacing holes 8 all are located the outer wall of bearing 7, and the interval between six spacing holes 8 equals.

Wherein, the inner wall of go-between 3 laminates with the outer wall of bearing 7 mutually, and the inner wall of bearing 7 laminates with the outer wall of mounting groove 2 mutually.

Wherein, adopt the joint formula with go-between 3 to connect, and the current joint formula connection stability of comparing is stronger, and also convenient to detach simultaneously, can reduce the cost that equipment damages the change effectively, reduces the operation cost of enterprise.

Wherein, offer butt joint groove 6 with the top of piston body 1, in order to make better butt joint with the cylinder of piston body 1, can change its shape of butt joint groove 6 according to different cylinders to improve the working effect of equipment.

Wherein, utilize the organizational structure of go-between 3, spacing spring 9 and bearing 7, the device can make the stability of its motion of in-process guarantee of piston motion again, and can guarantee its seal simultaneously, makes its in-process go-between 3 and the bearing 7 joint of limiting mutually that uses, and bearing 7 cup joints with the activity of piston body 1, is difficult for droing when can making go-between 3 reuse.

The working principle of the piston not easy to fall off is as follows:

before using again, at first dock go-between 3 and the bearing 7 in the piston body 1 outside for fixture block 10 receives the restriction of 8 inner wall diameter values in spacing hole, and then moves to the inboard, compresses reset spring 11, carries out the aperture butt joint until the back of fixture block 10 and spacing hole 8, carries on spacingly, docks piston body 1 and cylinder again for its surface and cylinder inner wall are to the laminating, can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 piston that is difficult for droing, includes piston body (1), its characterized in that: the upper surface of the piston body (1) is provided with a butt joint groove (6), the upper part of the outer edge of the piston body (1) is provided with a mounting groove (2), a bearing (7) is movably sleeved on the inner wall of the mounting groove (2), a limiting hole (8) is arranged on the outer wall of the bearing (7), the outer wall of the bearing (7) is movably sleeved with a connecting ring (3), the inner wall of the connecting ring (3) is fixedly provided with a limiting spring (9), the other end of the limiting spring (9) is fixedly connected with two clamping blocks (10), the inner sides of the two clamping blocks (10) are fixedly provided with two return springs (11), the two clamping blocks (10) are matched with the limiting hole (8), the outer wall of the piston body (1) is provided with a through hole (4), the through hole (4) is positioned below the mounting groove (2), the bottom of the outer edge of the piston body (1) is provided with a movable groove (5).

2. A non-shedding piston as claimed in claim 1, wherein: the piston body (1), the connecting ring (3) and the bearing (7) are all made of stainless steel plates, the outer wall of the piston body is coated with anticorrosive paint, and the inner wall of the piston body is coated with lubricating oil.

3. A non-shedding piston as claimed in claim 1, wherein: the quantity of mounting groove (2) has threely, three mounting groove (2) all are located the outer wall of piston body (1), and three interval between mounting groove (2) equals.

4. A non-shedding piston as claimed in claim 1, wherein: the quantity of spacing spring (9) and spacing hole (8) all has six, six spacing spring (9) all are located the inner wall of go-between (3), and six interval between spacing spring (9) equals six spacing hole (8) all are located the outer wall of bearing (7), and six interval between spacing hole (8) equals.

5. A non-shedding piston as claimed in claim 1, wherein: the inner wall of the connecting ring (3) is attached to the outer wall of the bearing (7), and the inner wall of the bearing (7) is attached to the outer wall of the mounting groove (2).