CN214403786U

CN214403786U - Anti-fracture engine piston

Info

Publication number: CN214403786U
Application number: CN202120448579.3U
Authority: CN
Inventors: 王艳利
Original assignee: Jiangsu Baian Technology Co ltd
Current assignee: Jiangsu Baian Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-15
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses an anti-fracture engine piston, which relates to the engine piston related technical field, comprising a piston body, wherein the surface of the piston body is provided with a ring groove, the inner cavity of the piston body is provided with a protection mechanism with the protection function to the piston body, a fastening device with the fixing function to the protection mechanism is arranged between the protection mechanism and the piston body, the protection mechanism comprises a shock pad, a buffer layer and a pressure-resistant layer, through the matching use of the devices, the whole strength of the piston can be increased through the protection mechanism arranged in the piston, the shaking generated in the using process of the piston can be slowed down by the arrangement of the protection mechanism, the probability of fracture of the piston caused by vibration is reduced, meanwhile, the protection mechanism can be replaced through the arrangement of the fastening device, thereby ensuring the validity of the protection mechanism, prolonging the service life of the piston, and reducing the replacement frequency of the piston, the use cost is reduced.

Description

Anti-fracture engine piston

Technical Field

The utility model relates to an engine piston correlation technique field specifically is a prevent cracked engine piston.

Background

The automobile piston is more important than the central part of an automobile engine when the engine is started. The piston of the automobile is used for bearing gas pressure and driving a crankshaft to rotate by a connecting rod through a piston pin, and the top of the piston is also a component of a combustion chamber.

The heat dissipation holes used for heat dissipation are formed in the surface of the existing piston, the heat dissipation holes are formed to reduce the overall strength of the piston, the piston is too low in overall strength and can break in the high-strength using process, the normal use of an engine is directly affected by the breakage of the piston, and the life of a driver can be threatened in case of danger, so that the engine piston capable of preventing breakage is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent cracked engine piston to the low cracked problem that takes place easily of piston strength who proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine piston who prevents fracture, includes the piston body, the ring channel has been seted up on piston body surface, piston body inner chamber is provided with the protection machanism who has the guard action to the piston body, install the fastener who has the fixed action to the protection machanism between protection machanism and the piston body.

Preferably, protection mechanism includes shock pad, buffer layer and resistance to compression layer, the buffer layer is detachable installs at piston body inner chamber, resistance to compression layer fixed mounting is on a side surface of buffer layer, the shock pad is installed on a side surface of buffer layer and resistance to compression layer, fastener installs the top at buffer layer and resistance to compression layer.

Preferably, the fastening device comprises an insertion groove, a fastening groove, a mounting groove, a fastening head, a fastening spring and a shifting plate, the insertion groove is formed in the surface of the piston body, the fastening groove is formed in one side of an inner cavity of the insertion groove, the mounting groove is formed in the top surfaces of the compression-resistant layer and the buffer layer, the fastening head is connected with the inner cavity of the mounting groove in a sliding mode, one end of the fastening spring is fixedly connected with the surface of the fastening head, the other end of the fastening spring is fixedly connected with the inner cavity of the mounting groove, and the shifting plate is fixedly mounted on the top surface of the fastening head.

Preferably, the buffer layer is connected with the compression-resistant layer together, the number of shock absorption pads is provided with a plurality ofly, and a plurality ofly the shock absorption pads is arranged in proper order on the junction surface of buffer layer and compression-resistant layer.

Preferably, the shape of the insertion groove is matched with that of the protection mechanism, the protection mechanism is inserted into the inner cavity of the insertion groove, the fastening head is matched with the fastening groove, and the fastening head is clamped with the fastening groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a prevent cracked engine piston, the protection mechanism through the inside setting of piston can increase the bulk strength of piston, and produced rocking in the piston use can be slowed down in the setting of protection mechanism, reduces the piston and because of vibrations breaking occur probability, can change protection mechanism through fastener's setting simultaneously to guarantee protection mechanism's validity, increase the life of piston, reduce the change frequency of piston, reduce use cost.

Drawings

Fig. 1 is a schematic structural view of a piston body according to an embodiment of the present invention;

FIG. 2 is a schematic view of a socket groove structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a protection mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fastening device according to an embodiment of the present invention.

In the figure: 1. a piston body; 2. an annular groove; 3. a protection mechanism; 31. a shock pad; 32. a buffer layer; 33. a pressure resistant layer; 4. a fastening device; 41. inserting grooves; 42. a fastening groove; 43. mounting grooves; 44. a fastening head; 45. a fastening spring; 46. a poking plate.

Detailed Description

In order to solve the problem that the piston is low in strength and easy to break, the engine piston capable of preventing the piston from breaking is particularly provided. 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.

Example 1

Referring to fig. 1-4, the present embodiment provides an anti-fracture engine piston, including a piston body 1, an annular groove 2 is formed on a surface of the piston body 1, a protection mechanism 3 for protecting the piston body 1 is disposed in an inner cavity of the piston body 1, a fastening device 4 for fixing the protection mechanism 3 is installed between the protection mechanism 3 and the piston body 1, the piston body 1 is protected by the protection mechanism 3, the protection mechanism 3 can slow down the shaking generated in the use process of the piston and the shaking generated when an automobile passes through a bumpy road section, the probability that the piston body 1 is broken due to the shaking is reduced, the protection mechanism 3 can be conveniently replaced and fixed by the arrangement of the fastening device 4, therefore, the effectiveness of the protection mechanism 3 is maintained, the service life of the piston body 1 is prolonged, and the use cost of the piston body 1 is reduced.

In order to prevent the piston body 1 from breaking, the protection means 3 comprise a shock-absorbing pad 31, buffer layer 32 and resistance to compression layer 33, the detachable installation at piston body 1 inner chamber of buffer layer 32, resistance to compression layer 33 fixed mounting is on a side surface of buffer layer 32, the lateral surface at buffer layer 32 and resistance to compression layer 33 is installed to shock pad 31, fastener 4 installs the top at buffer layer 32 and resistance to compression layer 33, buffer layer 32 links together with resistance to compression layer 33, the quantity of shock pad 31 is provided with a plurality ofly, a plurality of shock pads 31 are arranged in proper order on the junction surface of buffer layer 32 and resistance to compression layer 33, the setting of shock pad 31 and the vibrations that produce when the car takes place to jolt can be slowed down in the buffer layer 32, prevent that piston body 1 from breaking because of vibrations, the bulk strength of piston body 1 can be increased in the installation of resistance to compression layer 33, reduce piston body 1 and take place cracked probability because of vibrations.

In order to fix the protection mechanism 3 in the inner cavity of the piston body 1, the fastening device 4 comprises an insertion groove 41, a fastening groove 42, a mounting groove 43, a fastening head 44, a fastening spring 45 and a toggle plate 46, wherein the insertion groove 41 is formed in the surface of the piston body 1, the fastening groove 42 is formed in one side of the inner cavity of the insertion groove 41, the mounting groove 43 is formed in the top surfaces of the pressure resistant layer 33 and the buffer layer 32, the fastening head 44 is in sliding connection with the inner cavity of the mounting groove 43, one end of the fastening spring 45 is fixedly connected with the surface of the fastening head 44, the other end of the fastening spring 45 is fixedly connected with the inner cavity of the mounting groove 43, and the toggle plate 46 is fixedly mounted on the top surface of the fastening head 44.

When protection machanism 3 is pegged graft in inserting groove 41 inner chamber, fastening head 44 and fastening groove 42 joint under fastening spring 45's elasticity effect, thereby can install buffer layer 32 and compressive layer 33 in piston body 1's inner chamber, promote to dial movable plate 46 and make the fastening head 44 of being connected with dial movable plate 46 no longer with fastening groove 42 joint, take out buffer layer 32 and compressive layer 33 from piston body 1 inner chamber and leave, thereby change buffer layer 32 and compressive layer 33, guarantee buffer layer 32 and compressive layer 33's validity.

In order to facilitate the clamping connection of the fastening head 44 and the fastening groove 42, the shape of the insertion groove 41 is matched with that of the protection mechanism 3, the protection mechanism 3 is inserted into the inner cavity of the insertion groove 41, the fastening head 44 is matched with the fastening groove 42, and the fastening head 44 is clamped with the fastening groove 42.

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 an prevent cracked engine piston, includes piston body (1), ring channel (2), its characterized in that have been seted up on piston body (1) surface: the piston is characterized in that a protection mechanism (3) having a protection effect on the piston body (1) is arranged in the inner cavity of the piston body (1), and a fastening device (4) having a fixing effect on the protection mechanism (3) is installed between the protection mechanism (3) and the piston body (1).

2. The fracture-resistant engine piston of claim 1, wherein: protection mechanism (3) are including shock pad (31), buffer layer (32) and resistance to compression layer (33), the detachable installation in piston body (1) inner chamber of buffer layer (32), resistance to compression layer (33) fixed mounting is on a side surface of buffer layer (32), a side surface at buffer layer (32) and resistance to compression layer (33) is installed in shock pad (31), the top at buffer layer (32) and resistance to compression layer (33) is installed in fastener (4).

3. The fracture-resistant engine piston of claim 1, wherein: fastening device (4) are including inserting groove (41), fastening groove (42), mounting groove (43), fastening head (44), fastening spring (45) and dial plate (46), inserting groove (41) are seted up on the surface of piston body (1), fastening groove (42) are seted up in inserting groove (41) inner chamber one side, the top surface at crushing layer (33) and buffer layer (32) is seted up in mounting groove (43), fastening head (44) and mounting groove (43) inner chamber sliding connection, fastening spring (45) one end and fastening head (44) fixed surface are connected, the fastening spring (45) other end and mounting groove (43) inner chamber fixed connection, dial plate (46) fixed mounting at fastening head (44) top surface.

4. The fracture-resistant engine piston of claim 2, wherein: buffer layer (32) and resistance to compression layer (33) link together, the quantity of shock pad (31) is provided with a plurality ofly, and is a plurality of shock pad (31) are arranged in proper order on the junction surface of buffer layer (32) and resistance to compression layer (33).

5. The fracture-resistant engine piston of claim 3, wherein: the shape of the insertion groove (41) is matched with that of the protection mechanism (3), the protection mechanism (3) is inserted into the inner cavity of the insertion groove (41), the fastening head (44) is matched with the fastening groove (42), and the fastening head (44) is clamped with the fastening groove (42).