CN210531292U

CN210531292U - Composite material hydraulic cylinder barrel

Info

Publication number: CN210531292U
Application number: CN201921362667.0U
Authority: CN
Inventors: 李正凤
Original assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co Ltd
Current assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-15
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a combined material hydraulic cylinder, including the urceolus, the spacing groove has been seted up to the internal surface of urceolus, the inboard of urceolus is provided with the inner tube, the internal surface welding of inner tube has the jar wall, the surface integration of inner tube is connected with the stopper, the top integration of stopper is connected with solid fixed ring, the spread groove has been seted up to the upper surface of urceolus, the inboard of spread groove is equipped with the spacing ring, set up flutedly in the periphery of spacing ring, the draw-in groove has been seted up to the internal surface of recess, the internal surface of spread groove is provided. The utility model discloses low in production cost adopts split type structure, and the jar wall is strained and can be changed and the maintenance, reduces use cost, and jar wall convenient to detach changes, through adopting split type structure, makes jar wall and urceolus can part, has solved jar wall and has strained and can't change the maintenance, the unqualified whole condemned problem of needs of jar wall processing.

Description

Composite material hydraulic cylinder barrel

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a combined material hydraulic cylinder.

Background

With the continuous progress of society, the cylinder also becomes the machine product that uses very much in the production life of present society today, and hydraulic cylinder is the important component in hydraulic telescoping rod.

When being used for hydraulic telescoping rod to use, cylinder formula design as an organic whole is made by whole steel pipe trompil to current hydraulic cylinder, if smooth degree can not reach the requirement in the jar, whole steel pipe all must be scrapped, increases manufacturing cost, during the use, in case the scuffing condition appears, the mar appears in the jar wall, all can lead to the whole cylinder to scrap, can't change jar wall or maintenance alone, consequently need to design a combined material hydraulic cylinder section of thick bamboo urgently to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined material hydraulic cylinder to the manufacturing cost who proposes among the solution above-mentioned background art is high, and the jar wall is strained and can't be changed and the maintenance, the problem of the unable convenient change jar wall.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined material hydraulic cylinder section of thick bamboo, includes the urceolus, the spacing groove has been seted up to the internal surface of urceolus, the inboard of urceolus is provided with the inner tube, the internal surface welding of inner tube has the jar wall, the surface integration of inner tube is connected with the stopper, the top integration of stopper is connected with solid fixed ring, the spread groove has been seted up to the upper surface of urceolus, the inboard of spread groove is equipped with the spacing ring, set up flutedly in the periphery of spacing ring, the draw-in groove has been seted up to the internal surface of recess.

Preferably, the outer surface of the outer cylinder is smooth, the inner surface of the outer cylinder is smooth, and the inner surface of the limiting groove is frosted.

Preferably, the outer surface of the limiting block is frosted, and the limiting block is fixedly inserted into the limiting groove.

Preferably, the one end of reed and the internal surface welded fastening of spread groove, the other end and the draw-in groove block of reed, the quantity of reed and recess all is six groups, and six groups of reed all are annular equidistance with the recess and arrange, draw-in groove and reed one-to-one.

Preferably, the upper surface of the fixing ring is provided with a fixing groove, the lower surface of the limiting ring is integrally connected with a fixing block, and the fixing block is fixedly inserted into the fixing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the composite material hydraulic cylinder barrel is low in production cost, a split structure is adopted, the cylinder wall can be replaced and maintained due to strain, the use cost is reduced, and the cylinder wall is convenient to detach and replace;

(1) the split type structure is adopted, so that the cylinder wall can be separated from the outer cylinder, the limit groove is formed in the inner side of the outer cylinder, the cylinder wall is fixed on the inner cylinder, the limit block is additionally arranged on the outer surface of the inner cylinder, the limit block can be fixedly inserted into the limit groove, and the cylinder wall is arranged in the outer cylinder, so that the problems that the cylinder wall cannot be replaced and maintained due to pulling damage, the cylinder wall is unqualified in processing and needs to be integrally scrapped are solved, and the effects of low production cost and use cost reduction are achieved;

(2) be provided with the spacing ring, the spread groove, reed and draw-in groove, the spread groove has been seted up through the upper surface at the urceolus, and install the spacing ring in the spread groove, make the spacing ring can carry out spacing fixed to the stopper, keep away from the draw-in groove through outwards pulling the reed, can remove the spacing to the spacing ring, make the spacing ring can follow the spread groove and take off, can remove the spacing to the stopper, make the stopper can follow the spacing groove and take out, make the inner tube can follow and take out in the urceolus, and then reach the effect that the jar wall convenient to detach changed.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

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

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic sectional view of the structure at the position B-B in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: 1. an outer cylinder; 2. a limiting groove; 3. an inner barrel; 4. a cylinder wall; 5. a limiting block; 6. a limiting ring; 7. connecting grooves; 8. a reed; 9. a groove; 10. a card slot; 11. a fixing ring; 12. fixing grooves; 13. and (5) fixing blocks.

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 an embodiment: a composite material hydraulic cylinder barrel comprises an outer barrel 1, wherein the outer surface of the outer barrel 1 is smooth, the inner surface of the outer barrel 1 is smooth, and the outer surface of an inner barrel 3 can be tightly attached to the inner surface of the outer barrel 1 by smoothly designing the inner surface and the outer surface of the outer barrel 1.

Spacing groove 2 has been seted up to the internal surface of urceolus 1, the inboard of urceolus 1 is provided with inner tube 3, the internal surface welding of inner tube 3 has cylinder wall 4, urceolus 1 all is stainless steel with cylinder wall 4, inner tube 3 is copper aluminium alloy material, through the combined material design of urceolus 1 with 4 centre gripping inner tubes 3 of cylinder wall, can keep the bulk strength of whole cylinder, the inside and outside wearability of guarantee cylinder, the heat conductivity that utilizes copper and aluminium simultaneously is stronger than the steel, make this combined material's cylinder heat-resisting effect better.

The surface integration of inner tube 3 is connected with stopper 5, and the outward appearance of stopper 5 is dull polish form, and stopper 5 and spacing groove 2 are inserted and are closed fixedly, and the inward surface of spacing groove 2 is dull polish form, through all being dull polish form design with spacing groove 2 and stopper 5, can increase the frictional force of stopper 5 and spacing groove 2 junction.

Stopper 5's top integration is connected with solid fixed ring 11, spread groove 7 has been seted up to the upper surface of urceolus 1, the inboard of spread groove 7 is equipped with spacing ring 6, fixed slot 12 has been seted up to solid fixed ring 11's upper surface, spacing ring 6's lower surface integration is connected with fixed block 13, fixed block 13 is fixed with fixed slot 12 interpolation, it is fixed with fixed slot 12 interpolation through fixed block 13, can further improve spacing ring 6, make spacing ring 6 can carry out spacing fixed to solid fixed ring 11, and then carry out spacing fixed to stopper 5.

Offer recess 9 in spacing ring 6's the periphery, draw-in groove 10 has been seted up to recess 9's internal surface, the internal surface of spread groove 7 is provided with reed 8, the one end of reed 8 and spread groove 7's internal surface welded fastening, reed 8's the other end and draw-in groove 10 block, reed 8 all is six groups with recess 9's quantity, and six groups of reed 8 all are annular equidistance with recess 9 and arrange, draw-in groove 10 and reed 8 one-to-one, consider the fixed stability to spacing ring 6, six groups of reed 8 of this embodiment design and six groups of draw-in groove 10 cooperation, carry out spacing fixed to spacing ring 6, it is fixed with draw-in groove 10 block through reed 8, can make spacing ring 6 be connected fixedly with spread groove 7.

The working principle is as follows: when the telescopic rod is used, the periphery of the piston of the telescopic rod is tightly attached to the cylinder wall 4, when the cylinder wall 4 needs to be disassembled for replacement, the limiting ring 6 can be released only by pulling the reed 8 outwards by means of tools such as a glue stick and the like to be away from the clamping groove 10, so that the limiting ring 6 can be taken down from the connecting groove 7, the limiting of the limiting block 5 can be released, the limiting block 5 can be drawn out of the limiting groove 2, and the inner cylinder 3 can be taken out of the outer cylinder 1;

when installing cylinder wall 4, only need to insert stopper 5 along with spacing groove 2, make 3 tops of inner tube flush with 1 tops of urceolus, overlap spacing ring 6 on inner tube 3 again, make fixed block 13 and fixed slot 12 insert and close, make reed 8 and draw-in groove 10 block fixed, can accomplish the installation of cylinder wall 4, it is comparatively practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a combined material hydraulic cylinder section, includes urceolus (1), its characterized in that: spacing groove (2) have been seted up to the internal surface of urceolus (1), the inboard of urceolus (1) is provided with inner tube (3), the internal surface welding of inner tube (3) has jar wall (4), the surface integration of inner tube (3) is connected with stopper (5), the top integration of stopper (5) is connected with solid fixed ring (11), spread groove (7) have been seted up to the upper surface of urceolus (1), the inboard of spread groove (7) is equipped with spacing ring (6), set up fluted (9) in the periphery of spacing ring (6), draw-in groove (10) have been seted up to the internal surface of recess (9), the internal surface of spread groove (7) is provided with reed (8).

2. A composite hydraulic cylinder barrel as defined in claim 1, wherein: the outer surface of the outer cylinder (1) is smooth, the inner surface of the outer cylinder (1) is smooth, and the inner surface of the limiting groove (2) is frosted.

3. A composite hydraulic cylinder barrel as defined in claim 1, wherein: the outer surface of the limiting block (5) is frosted, and the limiting block (5) is fixedly inserted into the limiting groove (2).

4. A composite hydraulic cylinder barrel as defined in claim 1, wherein: the one end of reed (8) and the internal surface welded fastening of spread groove (7), the other end and draw-in groove (10) block of reed (8), the quantity of reed (8) and recess (9) all is six groups, and six groups reed (8) all are the annular equidistance with recess (9) and arrange, draw-in groove (10) and reed (8) one-to-one.

5. A composite hydraulic cylinder barrel as defined in claim 1, wherein: fixed slot (12) have been seted up to the upper surface of solid fixed ring (11), the lower surface integration of spacing ring (6) is connected with fixed block (13), fixed block (13) and fixed slot (12) are inserted and are closed fixedly.