CN213981463U

CN213981463U - Polyurethane wear-resistant cylinder sealing gasket

Info

Publication number: CN213981463U
Application number: CN202023061667.2U
Authority: CN
Inventors: 施东坡
Original assignee: Ningbo Haishan Cloring Seal Co ltd
Current assignee: Ningbo Haishan Cloring Seal Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-17
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a polyurethane wear-resistant cylinder sealing gasket, which comprises a cylinder gasket body, wherein a plurality of piston through holes are distributed on the cylinder gasket body at equal intervals, and the cylinder gasket body is provided with mounting holes; the heat dissipation assemblies are distributed at two ends of each piston through hole and are used for dissipating heat between the positions of the piston through holes and the piston rod; the inflation assembly, the inflation assembly distributes in radiator unit one side, the inflation assembly fills the gassing to radiator unit inside at piston rod edge squeezing action, this wear-resisting cylinder of polyurethane seals the pad, piston rod in the cylinder passes through the piston through-hole position department on the sealed pad body of cylinder, piston rod edge position department carries out extrusion treatment to the inflation assembly who establishes, be convenient for fill the gassing to radiator unit department, thereby make the radiator unit who establishes carry out the heat dissipation treatment in piston through-hole position department, be convenient for reduce the friction heat that the piston rod contacted the production in piston through-hole position department many times, reduce the contact wear influence between piston rod and the piston through-hole.

Description

Polyurethane wear-resistant cylinder sealing gasket

Technical Field

The utility model relates to a sealed technical field that fills up of cylinder specifically is a wear-resisting cylinder of polyurethane fills up.

Background

The cylinder gasket is arranged between the cylinder cover and the cylinder body, and has the functions of ensuring the sealing of the contact surface of the cylinder cover and the cylinder body and preventing air leakage, water leakage and oil leakage, the cylinder gasket is made of a material with certain elasticity and can compensate the unevenness of a joint surface to ensure sealing, and meanwhile, the cylinder gasket has good heat resistance and pressure resistance, is not burnt and deformed at high temperature and high pressure, and the polyurethane mainly has a thermoplastic linear structure, has better stability, chemical resistance, rebound resilience and mechanical property than a PVC (polyvinyl chloride) foaming material, and has smaller compression deformation. The rigid polyurethane plastic has the advantages of light weight, excellent sound and heat insulation performance, chemical resistance, good electrical property, easy processing and low water absorption rate, is mainly used for structural materials of buildings, automobiles and aviation industries and heat preservation and heat insulation, and the cylinder sealing gasket prepared from polyurethane has higher wear resistance.

The sealing gasket of the existing polyurethane cylinder is installed between a cylinder body and a cylinder cover through the sealing gasket of the cylinder in the installation process, the piston part of the cylinder carries out piston motion through the position of a through hole of the sealing gasket of the cylinder, multiple motions of the piston cause frequent contact of a piston rod and the position of the through hole, contact between the piston rod and the position of the edge of the through hole and multiple contact friction of the piston rod causes higher temperature of the edge of the through hole in contact with the piston rod, contact abrasion of the through hole and the contact edge of the piston rod is aggravated at higher temperature, the improvement of abrasion resistance between the cylinder gasket and the piston rod is not facilitated, and therefore the sealing gasket of the polyurethane abrasion-resistant cylinder is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting cylinder of polyurethane is sealed 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: a polyurethane wear-resistant cylinder sealing gasket comprises a cylinder gasket body, wherein a plurality of piston through holes are distributed in the cylinder gasket body at equal intervals, and mounting holes are formed in the cylinder gasket body; the heat dissipation assemblies are distributed at two ends of each piston through hole and are used for dissipating heat between the positions of the piston through holes and the piston rod; the inflation assembly, the inflation assembly distributes in radiator unit one side, the inflation assembly fills the gassing to radiator unit inside at piston rod edge extrusion effect, is convenient for carry out the heat dissipation in piston through-hole position department, is convenient for improve the contact wearability between piston rod and the piston through-hole.

Preferably, heat radiation assembly is including setting up the arc gasbag area at piston through-hole edge, arc gasbag takes and is equipped with a plurality of heat dissipation blow vents, and arc gasbag takes both ends to be connected with respectively and connects the trachea, the one end UNICOM that arc gasbag area was kept away from to connecting the trachea has the ripple gas tube, and the ripple gas tube is connected with gas charging assembly, is convenient for fill out the gassing to arc gasbag area through extrusion ripple gas tube.

Preferably, the inflation assembly comprises contact blocks arranged on two sides of the piston through hole, a support spring is connected between each contact block and the cylinder gasket body, contact inclined planes are arranged on two sides of the bottom of each contact block, inclined blocks matched with the contact inclined planes are arranged on two sides of each contact inclined planes respectively, a plurality of pairs of slide rails corresponding to each other are arranged at the top of the cylinder gasket body, each pair of slide rails corresponding to each other are distributed on two sides of each contact block respectively, the bottom of each inclined block is connected inside each slide rail in a sliding mode, an inflation rod is connected to one side of each inclined block, one end, far away from the inclined blocks, of each inflation rod is connected with a corrugated inflation tube, a limiting plate is sleeved on the outer side of the inflation rod, the outer side of each limiting plate is connected with the corresponding slide rail, a reset spring is connected between each limiting plate and one side of each inclined block, and the reset spring is sleeved on the outer side of the inflation rod.

Preferably, the contact block is provided with a clip-shaped groove in the middle, which facilitates reduction of the material of the contact block and improves the contact elasticity.

Preferably, the bottom of the piston through hole is provided with an installation inclination angle, which is beneficial to the installation of the cylinder pad body.

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

the utility model discloses after the installation of the cylinder gasket body in this scheme, piston rod in the cylinder passes through piston through hole position department on the cylinder gasket body this moment, and piston rod border position department extrudees the processing to the aeration component who establishes, is convenient for fill the gassing to radiator unit department to make the radiator unit who establishes carry out the heat dissipation processing in piston through hole position department, be convenient for reduce the friction heat that the piston rod contacted production in piston through hole position department many times, reduce the contact wear influence between piston rod and the piston through hole.

Drawings

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

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

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

FIG. 4 is an enlarged view of the area A in FIG. 3;

fig. 5 is an enlarged structural diagram of a region B in fig. 3.

In the figure: 1-a cylinder cushion body; 2-piston through hole; 3-mounting holes; 4-a heat dissipation assembly; 5-an inflation assembly; 6-arc air bag belt; 7-heat dissipation air vents; 8-connecting the air pipe; 9-a corrugated gas-filled tube; 10-a contact block; 11-a support spring; 12-contact bevel; 13-a sloping block; 14-a slide rail; 15-an inflation rod; 16-a limiting plate; 17-a return spring; 18-a square groove; 19-installation inclination angle.

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. 1-5, the present invention provides a technical solution: the utility model provides a sealed pad of wear-resisting cylinder of polyurethane has solved current cylinder liner body 1 in the installation, because piston rod and 2 contacts of piston through-hole many times, leads to piston rod and 2 contact edge position high temperatures of piston through-hole, leads to the 1 wearing and tearing aggravations of cylinder liner body of 2 positions departments of piston through-hole, and the design in this scheme includes: the cylinder gasket comprises a cylinder gasket body 1, wherein the cylinder gasket body 1 is prepared from polyurethane and has better wear resistance, a plurality of piston through holes 2 are equidistantly distributed on the cylinder gasket body 1, the piston through holes 2 are designed to match the number of piston rods in a piston cylinder, four piston through holes are designed to be equidistant, and a mounting hole 3 is formed in the cylinder gasket body 1; the heat dissipation assemblies 4 are distributed at two ends of each piston through hole 2 and used for dissipating heat between the position of the piston through hole 2 and the piston rod; and the inflation assemblies 5 are distributed on one side of the heat dissipation assembly 4, and the inflation assemblies 5 perform inflation and deflation on the interior of the heat dissipation assembly 4 under the extrusion action of the edge of the piston rod.

Cylinder gasket body 1 in this scheme of installation is through installing cylinder gasket body 1 bottom alignment in cylinder body department during, top position and cylinder cap contact each other, piston rod in the cylinder this moment passes through cylinder through-hole 2 position department, reach the aeration component 5 established when piston rod border position, under the piston motion of piston rod, utilize aeration component 5 to fill the gassing and heat dissipation processing to piston through-hole 2 position department to radiator unit 4, be convenient for reduce the temperature of piston through-hole 2 and piston rod contact position, be convenient for improve the contact wearability of piston rod and piston through-hole 2 position department, reduce cylinder gasket body 1 of piston through-hole 2 position department, wearing and tearing.

Radiator unit 4 is including setting up arc gasbag area 6 at 2 edges of piston through-hole, and the arc gasbag area 6 appearance and the 2 border positions of piston through-hole of here match each other, be equipped with a plurality of heat dissipation blow vents 7 on the arc gasbag area 6, and the arc gasbag area 6 both ends are connected with respectively and connect trachea 8, the one end UNICOM that connects trachea 8 and keep away from arc gasbag area 6 has ripple gas tube 9, and ripple gas tube 9 is connected with gas unit 5. The inflation component 5 comprises contact blocks 10 arranged at two sides of the piston through hole 2, a support spring 11 is connected between the contact block 10 and the cylinder pad body 1, contact inclined planes 12 are arranged at two sides of the bottom of the contact block 10, and the two sides of the contact inclined plane 12 are respectively provided with an inclined block 13 which is matched with the contact inclined plane 12, the top of the cylinder gasket body 1 is provided with a plurality of pairs of slide rails 14 which are corresponding to each other, and each pair of corresponding slide rails 14 are respectively distributed at two sides of the contact block 10, the bottom of the inclined block 13 is connected inside the slide rail 14 in a sliding way, and one side of the inclined block 13 is connected with an inflation rod 15, one end of the inflation rod 15 far away from the inclined block 13 is connected with the corrugated inflation tube 9, the outer side of the inflation rod 15 is sleeved with a limit plate 16, and the outer side of the limit plate 16 is connected with the slide rail 14, a return spring 17 is connected between the limit plate 16 and one side of the inclined block 13, and the return spring 17 is sleeved on the outer side of the inflating rod 15.

The specific implementation mode in the scheme is as follows: when the piston rod moves, when the edge position of the piston rod contacts the contact block 10, the support spring 11 at the bottom of the contact block 10 and the contact block 10 are convenient to extrude, when the contact block 10 moves downwards, the contact inclined planes 12 at the two sides of the contact block 10 and the matched inclined blocks 13 generate relative dislocation motion, so that the inclined blocks 13 slide along the slide rails 14, meanwhile, because one side of the inclined blocks 13 is fixedly connected with the inflation rod 15, under the action of the inclined blocks 13, the return spring 17 is convenient to approach to the direction of the limit plate 16, one end of the inflation rod 15 is communicated with the corrugated inflation tube 9, the gas in the corrugated inflation tube 9 is convenient to rush into the arc-shaped gas bag belt 6, so that the gas rush heat dissipation vent 7 conducts heat dissipation treatment on the positions of the piston rod and the piston through hole 2 from different angles, and the abrasion of the positions of the piston rod and the piston through hole 2 due to high temperature is convenient to reduce, meanwhile, under the common resetting action of the reset spring 17 and the supporting spring 11, the inflating rod 15 and the contact block 10 are conveniently reset to the original positions, and the next continuous use is facilitated.

The contact block 10 is provided with a clip-shaped groove 18 at the middle position, which is convenient for reducing the practical material of the contact block 10 and improving the elasticity of the contact block 10.

And the bottom of the piston through hole 2 is provided with an installation inclination angle 19, so that the piston through hole 2 and the top of the cylinder body can be conveniently installed.

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.

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. A polyurethane wear-resistant cylinder sealing gasket is characterized by comprising:

the piston cylinder comprises a cylinder pad body (1), wherein a plurality of piston through holes (2) are equidistantly distributed on the cylinder pad body (1), and a mounting hole (3) is formed in the cylinder pad body (1);

the heat dissipation assemblies (4) are distributed at two ends of each piston through hole (2) and used for dissipating heat between the position of the piston through hole (2) and the piston rod;

and the inflation assemblies (5) are distributed on one side of the heat dissipation assembly (4), and the inflation assemblies (5) perform inflation and deflation on the interior of the heat dissipation assembly (4) under the extrusion action of the edge of the piston rod.

2. The polyurethane wear resistant cylinder gasket of claim 1, wherein: radiating component (4) are including setting up arc gasbag area (6) at piston through-hole (2) edge, be equipped with a plurality of heat dissipation blow vents (7) on arc gasbag area (6), and arc gasbag area (6) both ends are connected with respectively and connect trachea (8), the one end UNICOM that arc gasbag area (6) were kept away from in connection trachea (8) has ripple gas tube (9), and ripple gas tube (9) are connected with gas component (5).

3. The polyurethane wear resistant cylinder gasket of claim 2, wherein: the air inflation component (5) comprises contact blocks (10) arranged on two sides of a piston through hole (2), a supporting spring (11) is connected between each contact block (10) and the air cylinder gasket body (1), contact inclined planes (12) are arranged on two sides of the bottom of each contact block (10), inclined blocks (13) matched with the contact inclined planes (12) are arranged on two sides of each contact inclined plane (12), a plurality of pairs of slide rails (14) corresponding to each other are arranged on the top of the air cylinder gasket body (1), each pair of slide rails (14) corresponding to each other are distributed on two sides of each contact block (10), the bottom of each inclined block (13) is connected inside each slide rail (14) in a sliding mode, an air inflation rod (15) is connected to one side of each inclined block (13), one end, far away from each inclined block (13), of each air inflation rod (15) is connected with a corrugated air inflation pipe (9), and a limiting plate (16) is sleeved on the outer side of each air inflation rod (15), and the outer side of the limiting plate (16) is connected with the sliding rail (14), a return spring (17) is connected between the limiting plate (16) and one side of the inclined block (13), and the return spring (17) is sleeved on the outer side of the inflating rod (15).

4. The polyurethane wear resistant cylinder gasket of claim 3, wherein: the middle position of the contact block (10) is provided with a clip-shaped groove (18).

5. The polyurethane wear resistant cylinder gasket of claim 1, wherein: and the bottom of the piston through hole (2) is provided with an installation inclination angle (19).