CN206309688U - A kind of modified oil cylinder - Google Patents

Abstract

The utility model provides a kind of modified oil cylinder, belongs to field of mechanical technique.It solves existing oil cylinder and designs irrational problem.This modified oil cylinder includes：Cylinder barrel, cylinder barrel two ends are separately installed with cylinder cap, and two cylinder caps are respectively front end housing, back cylinder cover, and each cylinder cap is connected by flange with cylinder barrel；Output shaft, is located in cylinder barrel inside and front end housing is stretched out in output shaft one end；Fixed seat, is connected with cylinder barrel and fixed seating is in cylinder barrel middle part.The utility model has the advantages that reasonable in design, stationarity is good.

Description

A kind of modified oil cylinder

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of modified oil cylinder.

Background technology

Oil cylinder is hydraulic cylinder, is substantially made up of cylinder barrel and cylinder cap, piston and piston rod, sealing device, a part of oil cylinder Occasion according to practical application may can also be provided with buffer unit, exhaust apparatus etc..Due to oil cylinder reciprocating motion more frequently, The stability requirement of oil cylinder itself is higher, is completely embedded between cylinder barrel and cylinder cap.

In this regard, common cantilevered oil cylinder wears pull bar often through in the edge of oil cylinder four, further by the cylinder at two ends Lid links together, and so as to cylinder barrel, two cylinder cap threes stabilization are connected, reaches the purpose for ensuring that oil cylinder overall structure is firm.

But the above-mentioned structure for wearing pull bar form can only be adapted to the less oil cylinder of stroke, the oil larger for stroke Cylinder, then must be provided with sufficiently long pull bar, but because pull bar diameter is smaller, be unfavorable for processing, and be easily broken off, safety system Number is low.

In sum, to solve the deficiency on existing cylinder structure, it is necessary to design a kind of reasonable in design, stationarity good Modified oil cylinder.

The content of the invention

The purpose of this utility model is directed to existing technology and there is above mentioned problem, it is proposed that a kind of reasonable in design, steady The good modified oil cylinder of property.

The purpose of this utility model can be realized by following technical proposal：A kind of modified oil cylinder, including：

Cylinder barrel, cylinder barrel two ends are separately installed with cylinder cap, and two cylinder caps are respectively front end housing, back cylinder cover, and each cylinder cap passes through Flange is connected with cylinder barrel；

Output shaft, is located in cylinder barrel inside and front end housing is stretched out in output shaft one end；

Fixed seat, is connected with cylinder barrel and fixed seating is in cylinder barrel middle part.

In a kind of above-mentioned modified oil cylinder, the flange is threadedly coupled with cylinder barrel, and front end housing, back cylinder cover bear against In corresponding cylinder barrel end, each cylinder cap is connected by screw with corresponding flange.

In a kind of above-mentioned modified oil cylinder, if being offered on each flange equally distributed around flange axial line Dry screwed hole, offered on front end housing with the one-to-one some preceding counterbores of screwed hole, offered on back cylinder cover and screwed hole one Helicitic texture is offered in one corresponding some rear counterbores, each counterbore.

In a kind of above-mentioned modified oil cylinder, gap is left between each cylinder cap and corresponding flange.

In a kind of above-mentioned modified oil cylinder, cylinder barrel middle part outwardly convex forms ring part, and ring part is embedded solid In reservation.

Compared with prior art, with cylinder barrel be fixed together cylinder cap by flange by the utility model reasonable in design, The stability that fixed seat further ensures that oil cylinder is set simultaneously, makes oil cylinder overall structure steady, good working effect.

Brief description of the drawings

Fig. 1 is the sectional view of the preferred embodiment of the utility model one.

Fig. 2 is the part-structure schematic diagram of Fig. 1.

In figure, 10, cylinder barrel；11st, output shaft；12nd, ring part；21st, front end housing；211st, preceding counterbore；22nd, back cylinder cover；221、 Counterbore afterwards；30th, flange；31st, screwed hole；40th, screw；50th, fixed seat；60th, gap.

Specific embodiment

The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model Description, but the utility model is not limited to these embodiments.

As depicted in figs. 1 and 2, this modified oil cylinder includes：

Cylinder barrel 10, the two ends of cylinder barrel 10 are separately installed with cylinder cap, and two cylinder caps are respectively front end housing 21, back cylinder cover 22, each cylinder Lid is connected by flange 30 with cylinder barrel 10；

Output shaft 11, is located in the inside of cylinder barrel 10 and front end housing 21 is stretched out in the one end of output shaft 11；

Fixed seat 50, is connected with cylinder barrel 10 and fixed seat 50 is located at the middle part of cylinder barrel 10.

Common cantilevered oil cylinder wears pull bar often through in the edge of oil cylinder four, and the cylinder cap of cylinder barrel 10 and two stabilization is solid Even, the purpose for ensuring that oil cylinder overall structure is firm is reached.But the above-mentioned structure for wearing pull bar form can only be adapted to stroke compared with Small oil cylinder, the oil cylinder larger for stroke, then must be provided with sufficiently long pull bar, and now pull bar diameter is often smaller, no Beneficial to processing, and it is easily broken off, safety coefficient is low.

Therefore, the utility model devises a kind of modified oil cylinder, it is adaptable to the oil cylinder of big stroke, by flange 30 by oil The cylinder cap at cylinder two ends is fixed together with cylinder barrel 10, while setting the stability that fixed seat 50 further ensures that oil cylinder, makes oil cylinder Overall structure is steady, good working effect.

Preferably, flange 30 is threadedly coupled with cylinder barrel 10, and front end housing 21, back cylinder cover 22 are born against in corresponding cylinder barrel 10 End, each cylinder cap is connected by screw 40 with corresponding flange 30.

Specifically, flange 30 is threadedly coupled with cylinder barrel 10, it is ensured that the easy disassembly again simultaneously of enough stable connection degree；Two Individual cylinder cap is born against in the corresponding end of cylinder barrel 10, and wherein each cylinder cap partly stretches into cylinder barrel 10, is partly embedded in cylinder barrel 10 ends；Cylinder cap is fixedly connected with corresponding flange 30 finally by screw 40, so as to by front end housing 21, back cylinder cover 22 and The firm connection of the three of cylinder barrel 10.

Herein, the preferred high strength screw 40 of screw 40, can pull cylinder cap to be fixedly connected with corresponding flange 30.

It is further preferred that being offered on each flange 30 around the equally distributed multiple screwed holes of axial line of flange 30 31, multiple preceding counterbores 211 one-to-one with screwed hole 31 are offered on front end housing 21, offered on back cylinder cover 22 and screwed hole Counterbore 221 after 31 one-to-one multiples, helicitic texture is offered in each counterbore.

Preceding counterbore 211 is opened up on front end housing 21 to be cooperated with corresponding screwed hole 31, and rear counterbore is opened up on back cylinder cover 22 221 cooperate with corresponding screwed hole 31, are easy to screw 40 that cylinder cap is fixedly connected with flange 30.

Screw thread is opened up in counterbore and is further ensured that the steadiness connected between cylinder cap and flange 30, on cylinder cap and flange 30 Screw thread acts power to screw 40, namely screw 40 all produces the effect formed by threaded connection to cylinder cap and flange 30 Power is so as to both more securely be linked together.

Further, gap 60 is left between each cylinder cap and corresponding flange 30.It is noted that cylinder cap with it is right There is gap 60 between the flange 30 answered, the setting in gap 60 herein can strengthen the pullling to cylinder cap and flange 30 of screw 40 Active force.

Additionally, in the reciprocating motion of output shaft 11, to cylinder cap and the presence opposition of cylinder barrel 10, gap 60 sets Putting can also give cushioning effect, be conducive to the long-time of oil cylinder to use.

Preferably, the middle part outwardly convex of cylinder barrel 10 forms ring part 12, and ring part 12 is embedded in fixed seat 50.Annular The setting in portion 12 is easy to cylinder barrel 10 to be connected with fixed seat 50, and ring part 12 is embedded can further enhance cylinder barrel in fixed seat 50 Connective stability between 10 and fixed seat 50, so that it is guaranteed that the stabilization of oil cylinder.

This modified cylinder structure is reasonable in design, and cylinder cap is fixed together with cylinder barrel 10 by flange 30, while setting Fixed seat 50 further ensures that the stability of oil cylinder, makes oil cylinder overall structure steady, and substantially, practicality is good for working effect.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (5)

1. a kind of modified oil cylinder, it is characterised in that including：

Cylinder barrel, cylinder barrel two ends are separately installed with cylinder cap, and two cylinder caps are respectively front end housing, back cylinder cover, and each cylinder cap passes through flange It is connected with cylinder barrel；

Output shaft, is located in cylinder barrel inside and front end housing is stretched out in output shaft one end；

Fixed seat, is connected with cylinder barrel and fixed seating is in cylinder barrel middle part.

2. a kind of modified oil cylinder according to claim 1, it is characterised in that the flange is threadedly coupled with cylinder barrel, preceding Cylinder cap, back cylinder cover are born against in corresponding cylinder barrel end, and each cylinder cap is connected by screw with corresponding flange.

3. a kind of modified oil cylinder according to claim 2, it is characterised in that offered around flange on each flange The equally distributed some screwed holes of axial line, offer and the one-to-one some preceding counterbores of screwed hole, back cylinder cover on front end housing On offer with the one-to-one some rear counterbores of screwed hole, offers helicitic texture in each counterbore.

4. a kind of modified oil cylinder according to claim 1 or 2 or 3, it is characterised in that each cylinder cap and corresponding flange Between leave gap.

5. a kind of modified oil cylinder according to claim 1 or 2 or 3, it is characterised in that cylinder barrel middle part outwardly convex is formed Ring part, and ring part is embedded in fixed seat.