CN214787728U

CN214787728U - Corrosion-resistant piston for engineering machinery

Info

Publication number: CN214787728U
Application number: CN202120577736.0U
Authority: CN
Inventors: 周家汉
Original assignee: Hubei Yuanding Mechanical Equipment Manufacturing Co ltd
Current assignee: Hubei Yuanding Mechanical Equipment Manufacturing Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-19
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a corrosion-resistant piston for engineering machinery, including the piston main part, the bottom of piston main part is provided with the connecting rod, the tip of connecting rod is fixed with the connecting rod microcephaly, the inboard symmetry of piston main part is fixed with the fixing base, be the block state between the fixing base that connecting rod microcephaly and symmetry set up, the bilateral symmetry of connecting rod microcephaly is seted up flutedly, and the inboard of recess is provided with spacing fixture block, be connected with a plurality of connecting springs between the bottom of spacing fixture block and the recess; through spacing fixture block, coupling spring, the recess of design, increase limit structure on the block basis of original connecting rod microcephaly and fixing base, improve original piston and connecting rod when being connected, need artifical mode of pressing, the microcephaly of connecting rod after making the block carries out the rigidity with the fixing base, and the staff of being convenient for runs through the operation to the piston pin, has certain inconvenient phenomenon of operation, increases the convenient degree of installation through this structure.

Description

Corrosion-resistant piston for engineering machinery

Technical Field

The utility model belongs to the technical field of the piston, concretely relates to corrosion-resistant piston for engineering machine tool.

Background

The piston can be divided into three parts, namely a piston top, a piston head and a piston skirt, and the main function of the piston is to bear the combustion pressure in a cylinder and transmit the force to a crankshaft through a piston pin and a connecting rod.

At the block in-process between piston for the engineering machine tool now and the connecting rod, carry out the block through the connecting rod tip with the inboard fixed fixing base in piston main part bottom, rethread piston round pin runs through, accomplishes the operation of being connected of piston and connecting rod, owing to in the connection process, after connecting rod tip and fixing base block, need support the mode of pressing through the manual work, make the connecting rod tip after the block carry out the rigidity with the fixing base to there is the inconvenient problem of operation, for this the utility model provides a corrosion-resistant piston for the engineering machine tool.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant piston for engineering machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant piston for engineering machine tool, includes the piston main part, the bottom of piston main part is provided with the connecting rod, the end fixing of connecting rod has the connecting rod microcephaly, the inboard symmetry of piston main part is fixed with the fixing base, be the block state between the fixing base that connecting rod microcephaly and symmetry set up, the bilateral symmetry of connecting rod microcephaly has seted up flutedly, and the inboard of recess is provided with spacing fixture block, be connected with a plurality of coupling springs between the bottom of spacing fixture block and the recess, the symmetry is fixed the spacing groove has been seted up to one side of fixing base, the inboard of spacing groove is gone into to the tip card of spacing fixture block, the spread groove has been seted up to the tip of spacing groove, and the inboard of spread groove is provided with the connecting block, the bottom of connecting block is fixed state with the tip of spacing fixture block.

Preferably, the two sides of the groove are symmetrically provided with limiting sliding grooves, the inner sides of the limiting sliding grooves are provided with limiting sliding blocks, and the end parts of the limiting sliding blocks and the side surfaces of the limiting clamping blocks are in a fixed state.

Preferably, the end surface of the limiting sliding block is attached to the inner wall of the end of the limiting sliding groove, and the cross section of the limiting sliding block is of a T-shaped structure.

Preferably, the surface of the limiting fixture block is in a fitting state with the inner wall of the limiting groove, and the surface of the connecting block is in a fitting state with the inner wall of the connecting groove.

Preferably, a piston pin penetrates through the position between the fixed seat and the small end of the connecting rod, and the piston pin is of a cylindrical structure.

Preferably, the top surface of the piston main body is provided with a ring groove, and the piston main body is a metal component.

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

(1) through spacing fixture block, coupling spring, the recess of design, increase limit structure on the block basis of original connecting rod microcephaly and fixing base, improve original piston and connecting rod when being connected, need artifical mode of pressing, the microcephaly of connecting rod after making the block carries out the rigidity with the fixing base, and the staff of being convenient for runs through the operation to the piston pin, has certain inconvenient phenomenon of operation, increases the convenient degree of installation through this structure.

(2) Through the spacing spout, the spacing slider of design, make spacing fixture block reciprocate the in-process, through the block of spacing spout and spacing slider, restrict the sliding position of spacing fixture block to convenient to use.

Drawings

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

FIG. 2 is a schematic view of the structure of the fastening point between the fixing base and the small end of the connecting rod;

FIG. 3 is a schematic sectional view of the connection between the fixing base and the small end of the connecting rod of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

in the figure: 1. a piston body; 2. a ring groove; 3. a connecting rod; 4. a piston pin; 5. a fixed seat; 6. a small end of the connecting rod; 7. a limiting chute; 8. a limiting slide block; 9. connecting grooves; 10. connecting blocks; 11. a limiting clamping block; 12. a connecting spring; 13. and (4) a groove.

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 to 4, the present invention provides a technical solution: a corrosion-resistant piston for engineering machinery comprises a piston main body 1, a connecting rod 3 is arranged at the bottom end of the piston main body 1, a small connecting rod head 6 is fixed at the end part of the connecting rod 3, fixing seats 5 are symmetrically fixed at the inner side of the piston main body 1, the small connecting rod head 6 and the symmetrically arranged fixing seats 5 are in a clamping state, grooves 13 are symmetrically formed in two sides of the small connecting rod head 6, a limiting fixture block 11 is arranged on the inner side of each groove 13, a plurality of connecting springs 12 are connected between the bottom end of the limiting fixture block 11 and the grooves 13, one side of the symmetrically fixed fixing seats 5 is provided with a limiting groove, the end part of the limiting fixture block 11 is clamped into the inner side of the limiting groove, a connecting groove 9 is formed in the end part of the limiting groove, a connecting block 10 is arranged on the inner side of the connecting groove 9, the bottom end part of the connecting block 10 and the end part of the limiting fixture block 11 are in a fixed state, and the connecting springs 12 and the grooves 13 are arranged on the connecting block 11, increase limit structure on the block basis of original connecting rod microcephaly 6 and fixing base 5, improve original piston and connecting rod 3 when being connected, need artifical mode of supporting pressure, connecting rod microcephaly 6 after making the block carries out the rigidity with fixing base 5, the staff of being convenient for runs through the operation to piston pin 4, there is the inconvenient phenomenon of certain operation, increase the convenient degree of installation through this structure, the surface of spacing fixture block 11 is the laminating state with the inner wall of spacing groove, the surface of connecting block 10 is the laminating state with the inner wall of spread groove 9, it has piston pin 4 to run through between fixing base 5 and the connecting rod microcephaly 6, piston pin 4 is the cylinder structure, annular 2 has been seted up on the top surface of piston main part 1, piston main part 1 is the metal material component, be the metal material through piston main part 1, make this piston have certain corrosion-resistant action.

In this embodiment, it is preferable, the limiting sliding groove 7 has been seted up to the bilateral symmetry of recess 13, and the inboard of limiting sliding groove 7 is provided with limiting slide block 8, the tip of limiting slide block 8 is fixed state with the side of limiting fixture block 11, the tip surface of limiting slide block 8 is the laminating state with the tip inner wall of limiting sliding groove 7, limiting slide block 8's transversal T type structure of personally submitting, limiting slide block 7 through the design, limiting slide block 8, make limiting fixture block 11 at the in-process that reciprocates, block through limiting slide groove 7 and limiting slide block 8, the sliding position of limiting fixture block 11 is restricted, thereby convenient to use.

The utility model discloses a theory of operation and use flow: in the piston use, when needing to be connected between piston main part 1 and the connecting rod 3, press through the spacing fixture block 11 that sets up connecting rod microcephaly 6 bilateral symmetry at first, make the inboard of spacing fixture block 11 embedding recess 13, the rethread carries out the block with the connecting rod microcephaly 6 of connecting rod 3 tip and the inboard fixed fixing base 5 in piston main part 1 bottom, after connecting rod microcephaly 6 and fixing base 5 block, spacing fixture block 11 blocks the inboard in spacing groove under the spring action of coupling spring 12, again through running through the inboard of connecting rod microcephaly 6 with fixing base 5 with piston pin 4, accomplish the installation of piston and connecting rod 3.

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 corrosion-resistant piston for engineering machine tool, includes piston main part (1), the bottom of piston main part (1) is provided with connecting rod (3), its characterized in that: a small connecting rod head (6) is fixed at the end part of the connecting rod (3), fixing seats (5) are symmetrically fixed at the inner side of the piston main body (1), the small connecting rod head (6) is clamped with the symmetrically arranged fixed seats (5), grooves (13) are symmetrically formed in the two sides of the small connecting rod head (6), a limiting clamping block (11) is arranged on the inner side of the groove (13), a plurality of connecting springs (12) are connected between the bottom end of the limiting clamping block (11) and the groove (13), one side of the fixed seat (5) which is fixed symmetrically is provided with a limit groove, the end part of the limit fixture block (11) is clamped into the inner side of the limit groove, the end part of the limit groove is provided with a connecting groove (9), and the inner side of the connecting groove (9) is provided with a connecting block (10), and the bottom end of the connecting block (10) and the end part of the limiting clamping block (11) are in a fixed state.

2. A corrosion-resistant piston for construction machinery as claimed in claim 1, wherein: the limiting sliding grooves (7) are symmetrically formed in the two sides of the groove (13), the limiting sliding blocks (8) are arranged on the inner sides of the limiting sliding grooves (7), and the end portions of the limiting sliding blocks (8) and the side faces of the limiting clamping blocks (11) are in a fixed state.

3. A corrosion-resistant piston for construction machinery as claimed in claim 2, wherein: the end surface of the limiting sliding block (8) is in a fit state with the inner wall of the end of the limiting sliding groove (7), and the cross section of the limiting sliding block (8) is of a T-shaped structure.

4. A corrosion-resistant piston for construction machinery as claimed in claim 1, wherein: the surface of the limiting clamping block (11) is in a fit state with the inner wall of the limiting groove, and the surface of the connecting block (10) is in a fit state with the inner wall of the connecting groove (9).

5. A corrosion-resistant piston for construction machinery as claimed in claim 1, wherein: and a piston pin (4) penetrates between the fixed seat (5) and the connecting rod small end (6), and the piston pin (4) is of a cylindrical structure.

6. A corrosion-resistant piston for construction machinery as claimed in claim 1, wherein: the top end surface of the piston main body (1) is provided with a ring groove (2), and the piston main body (1) is a metal component.