CN214838345U

CN214838345U - Polyurethane piston

Info

Publication number: CN214838345U
Application number: CN202121601469.2U
Authority: CN
Inventors: 刘义昌
Original assignee: Qingdao Clock Sealing Technology Co ltd
Current assignee: Qingdao Clock Sealing Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-11-23
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to the technical field of pistons, and a polyurethane piston is disclosed, has solved general piston in the use, and support intensity is relatively poor, therefore reduces the problem of the live time of piston easily, and it includes the piston body, the inside of piston body is rotated and is installed the lead screw, and threaded mounting has the ring body on the lead screw, and the equidistant connecting block that installs on the ring body rotates on the connecting block, and the mobile jib is installed in the rotation of connecting block, and the one end symmetry of mobile jib is rotated and is installed branch, and the one end rotation of branch is installed the support, and the support is installed on the arc, and the arc is installed in the inside of piston body; the utility model discloses, cooperation through the arc that sets up, lead screw and mobile jib etc. is used, can be through the even good enhancement effect of playing the piston body of the arc of difference, avoid the piston body to take place deformation phenomenon because long-time use to improve the intensity of piston body.

Description

Polyurethane piston

Technical Field

The utility model belongs to the technical field of the piston, specifically be a polyurethane piston.

Background

The main function of the piston is to take up the pressure in the cylinder and transmit this force to the crankshaft via the gudgeon pin and connecting rod, and the specific shape, position and size must be adapted to the equipment installed, which can be divided into several basic structures, top, head and skirt.

In the using process of a general piston, the supporting strength is poor, so that the service time of the piston is easily reduced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a polyurethane piston, the effectual general piston of having solved supports intensity relatively poor at the in-process that uses, consequently reduces the live time's of piston problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyurethane piston, includes the piston body, the lead screw is installed in the inside rotation of piston body, and the ring body is installed to the screw thread on the lead screw, and the connecting block is installed to the equidistance on the ring body, rotates on the connecting block and installs the mobile jib, and branch is installed in the rotation of the one end symmetry of mobile jib, and the support is installed in the one end rotation of branch, and the support mounting is on the arc, and the arc is installed in the inside of piston body.

Preferably, the number of the supporting rods and the number of the supporting seats are eight, and the number of the connecting blocks, the number of the main rods and the number of the arc-shaped plates are four.

Preferably, two adjacent supports are respectively installed on two adjacent arc-shaped plates and are symmetrically arranged.

Preferably, a special-shaped groove is formed in the center of the screw rod, and the special-shaped groove is of a square structure.

Preferably, the outer wall of the piston body is equidistantly provided with annular grooves, piston rings are arranged in the annular grooves, piston pins are arranged in the piston body, and through holes are formed in the centers of the piston pins.

Preferably, the piston body comprises a base layer, the outer side of the base layer is provided with the wear-resistant layer, and the inner side of the base layer is provided with the reinforcing layer.

Preferably, the base layer is made of polyurethane, the wear-resistant layer is made of ultra-high molecular weight polyethylene, and the reinforcing layer is made of aluminum alloy.

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

1) in work, through the matching use of the arranged arc-shaped plates, the screw rod, the main rod and the like, the piston body can be uniformly reinforced through different arc-shaped plates, and the phenomenon that the piston body deforms due to long-time use is avoided, so that the strength of the piston body is improved, and the service life of the piston body is prolonged;

2) the wear-resisting piston comprises a piston body, a wear-resisting layer, a reinforcing layer and the like, wherein the wear-resisting layer and the reinforcing layer are arranged in a matched mode, the wear-resisting property of the piston body is improved through the wear-resisting layer, the supporting strength of the inner side of the piston body can be improved through the reinforcing layer, and the service life of the piston body can be prolonged through matched use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of the piston body of the present invention.

In the figure: 1. a piston body; 101. a base layer; 102. a wear layer; 103. a reinforcing layer; 2. an annular groove; 3. a piston ring; 4. a piston pin; 5. a screw rod; 6. a ring body; 7. connecting blocks; 8. a main rod; 9. a strut; 10. a support; 11. an arc-shaped plate; 12. a special-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1, 2 and 3, the present invention includes a piston body 1, a lead screw 5 is rotatably installed inside the piston body 1, a ring body 6 is installed on the lead screw 5 in a threaded manner, a connecting block 7 is equidistantly installed on the ring body 6, a main rod 8 is rotatably installed on the connecting block 7, a supporting rod 9 is symmetrically and rotatably installed at one end of the main rod 8, a supporting seat 10 is rotatably installed at one end of the supporting rod 9, the supporting seat 10 is installed on an arc plate 11, and the arc plate 11 is installed inside the piston body 1;

can drive lead screw 5 through the instrument and rotate, lead screw 5 drives ring body 6 and rotates, and ring body 6 drives branch 9 through driving mobile jib 8 and removes to branch 9 through the difference produces the extrusion to arc 11, through the arc 11 of difference can be even play good enhancement effect to piston body 1, avoid piston body 1 because long-time use takes place deformation, thereby improve piston body 1's intensity.

In the second embodiment, on the basis of the first embodiment, the number of the supporting rods 9 and the number of the supporting seats 10 are eight, and the number of the connecting blocks 7, the number of the main rods 8 and the number of the arc-shaped plates 11 are four.

In the third embodiment, on the basis of the first embodiment, two adjacent supports 10 are respectively installed on two adjacent arc-shaped plates 11 and are symmetrically arranged;

can install adjacent branch 9 on different arcs 11 through support 10 to make 11 atress evenly distributed of arcs, thereby improve piston body 1's performance.

In the fourth embodiment, on the basis of the first embodiment, a special-shaped groove 12 is formed in the center of the screw rod 5, and the special-shaped groove 12 is of a square structure;

the special-shaped groove 12 is driven to rotate by a tool, so that the screw rod 5 is driven to rotate, and the operation of workers is facilitated.

Fifth embodiment, on the basis of the first embodiment, the outer wall of the piston body 1 is equidistantly provided with annular grooves 2, piston rings 3 are installed inside the annular grooves 2, a piston pin 4 is also installed inside the piston body 1, and a through hole is formed in the center of the piston pin 4;

the piston ring 3 can improve the airtightness of the piston body 1 during use, thereby improving the sealing performance of the piston body 1 during long-term use.

Sixth embodiment, on the basis of the first embodiment, the piston body 1 includes a base layer 101, a wear-resistant layer 102 is installed on the outer side of the base layer 101, and a reinforcing layer 103 is installed on the inner side of the base layer 101.

Seventh embodiment, on the basis of the sixth embodiment, the base layer 101 is made of polyurethane, the wear-resistant layer 102 is made of ultra-high molecular weight polyethylene, and the reinforcing layer 103 is made of aluminum alloy;

the wear resistance of the piston body 1 can be improved by the wear-resistant layer 102, so that the service life of the piston body 1 is prolonged, and the support strength of the inner side of the piston body 1 can be improved by the reinforcing layer 103, so that the service life of the piston body 1 is prolonged.

The working principle is as follows: when the piston rod device works, a tool can penetrate through a through hole in a piston pin 4 and then drive a lead screw 5 to rotate, the lead screw 5 drives a ring body 6 to rotate in a threaded mode, the ring body 6 drives a support rod 9 to move through a driving main rod 8, so that arc-shaped plates 11 are extruded through different support rods 9, a supporting effect is achieved on a piston body 1 through the arc-shaped plates 11, the strength of the piston body 1 is improved, and a locking nut can be installed on the lead screw 5 to avoid the loosening phenomenon;

the wear-resisting property of the piston body 1 is improved through the wear-resisting layer 102, so that the service life of the piston body 1 is prolonged, and the supporting strength of the inner side of the piston body 1 can be improved through the reinforcing layer 103, so that the service life of the piston body 1 is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A polyurethane piston, includes piston body (1), its characterized in that: lead screw (5) are installed in the inside rotation of piston body (1), and ring body (6) are installed to screw thread on lead screw (5), and connecting block (7) are installed to equidistance on ring body (6), rotate on connecting block (7) and install mobile jib (8), and branch (9) are installed in the one end symmetry rotation of mobile jib (8), and support (10) are installed in the one end rotation of branch (9), and support (10) are installed on arc (11), and the inside in piston body (1) is installed in arc (11).

2. A polyurethane piston as claimed in claim 1, wherein: the number of the supporting rods (9) and the number of the supporting seats (10) are eight, and the number of the connecting blocks (7), the number of the main rods (8) and the number of the arc-shaped plates (11) are four.

3. A polyurethane piston as claimed in claim 1, wherein: two adjacent supports (10) are respectively arranged on two adjacent arc-shaped plates (11) and are symmetrically arranged.

4. A polyurethane piston as claimed in claim 1, wherein: a special-shaped groove (12) is formed in the center of the screw rod (5), and the special-shaped groove (12) is of a square structure.

5. A polyurethane piston as claimed in claim 1, wherein: the piston is characterized in that the outer wall of the piston body (1) is equidistantly provided with ring grooves (2), piston rings (3) are arranged inside the ring grooves (2), piston pins (4) are further arranged inside the piston body (1), and through holes are formed in the centers of the piston pins (4).

6. A polyurethane piston as claimed in claim 1, wherein: the piston body (1) comprises a base layer (101), a wear-resistant layer (102) is arranged on the outer side of the base layer (101), and a reinforcing layer (103) is arranged on the inner side of the base layer (101).

7. A polyurethane piston as claimed in claim 6, wherein: the base layer (101) is made of polyurethane, the wear-resistant layer (102) is made of ultra-high molecular weight polyethylene, and the reinforcing layer (103) is made of aluminum alloy.