CN208858676U - A kind of Gearshifting oil cylinder device for automobile gearbox - Google Patents

Abstract

The utility model discloses a kind of Gearshifting oil cylinder devices for automobile gearbox, including cylinder barrel main body, the side of the cylinder barrel main body is provided with oil inlet, oil guide pipe is fixedly installed at oil inlet in the cylinder barrel main body, the other end of the oil guide pipe is fixedly connected with telescoping tube, the upper end of the telescoping tube is fixedly connected with connecting tube, protecting tube is provided on the outside of the telescoping tube, the protecting tube is fixedly mounted on cylinder barrel main body on the lateral wall of oil inlet side, several the first springs are fixedly installed at the upper end tube nozzle of the protecting tube, cavity is provided on the inside of the cylinder barrel main body, piston is provided in the cavity, the piston is fixedly installed with piston rod far from the side of oil inlet, second spring is provided on the outside of the piston rod, the second spring is fixedly mounted on piston.The utility model structure is simple, and it is convenient to operate, and can preferably be attached with fuel delivery device, while better tightness, improve the mechanical efficiency of oil cylinder.

Description

A kind of Gearshifting oil cylinder device for automobile gearbox

Technical field

The utility model relates to technical field of automobile parts, in particular to a kind of novel shift for automobile gearbox Cylinder apparatus.

Background technique

With the development of our country's economy, very big raising has been obtained in living standards of the people, the people are to life Quality obviously has higher pursuit, such as the variation of the vehicles, gradually proceeds to the bicycle epoch from walking originally, so It is transitioned into the motorcycle epoch at leisure from the bicycle epoch afterwards, and it is present, and car has become the indispensable traffic work of the people One of tool, the oil cylinder of automobile are then components particularly important on automobile, and oil cylinder and automobile gearbox constitute the power of automobile Structure, with the generation of various different model automobiles, the type of oil cylinder is also constantly developing, and automobile gearbox is also being innovated, One good dynamic structure can make automobile reduce the consumption to gasoline.

There is following problem in traditional device: 1, being usually directly to stretch out piston rod outside oil cylinder to make gearbox Function is passed through in piston rod and is usually directly sealed with corresponding sealing element at oil cylinder, the case where gearbox is constantly shifted gears Under, there can be certain abrasion to sealing element, be greatly affected the air-tightness of oil cylinder；2, the oil inlet pipe on oil cylinder is all solid Dingan County is relatively difficult when fuel delivery device is connect with oil cylinder on oil cylinder, and connection direction is also relatively simple.

Utility model content

The purpose of this utility model is to provide a kind of Gearshifting oil cylinder devices for automobile gearbox, on solving State the problem of proposing in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of to change for the novel of automobile gearbox Keep off cylinder apparatus, including cylinder barrel main body, the side of the cylinder barrel main body is provided with oil inlet, in oil inlet in the cylinder barrel main body Place is fixedly installed with oil guide pipe, and the other end of the oil guide pipe is fixedly connected with telescoping tube, and the upper end of the telescoping tube is fixed to be connected It is connected to connecting tube, protecting tube is provided on the outside of the telescoping tube, the protecting tube is fixedly mounted on cylinder barrel main body close to oil inlet On the lateral wall of mouth side, several the first springs, the cylinder barrel main body are fixedly installed at the upper end tube nozzle of the protecting tube Inside be provided with cavity, piston is provided in the cavity, the piston is fixedly installed with piston far from the side of oil inlet Bar is provided with second spring on the outside of the piston rod, and the second spring is fixedly mounted on piston, the second spring The other side is provided with seal pipe, and the other end of the seal pipe is fixedly mounted on cylinder cap, and the cylinder cap is fixedly mounted on cylinder barrel Side of the main body far from oil inlet, the piston rod pass through seal pipe and are elongated to outside cylinder barrel main body, the outside of the cylinder barrel main body It is fixedly installed with thermal insulation layer.

Preferably, the connecting tube and the first spring are in sustained height, and the connecting tube is fixedly connected with the first spring.

Preferably, the face of the piston and cylinder barrel body contact is set as arc-shaped.

Preferably, company is fixed in the rubber ring that the opening of the piston rod and seal pipe two sides passes through high intensity It connects, the rubber ring is fixedly mounted in seal pipe.

Preferably, the diameter of first spring is identical as the diameter of seal pipe.

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

1, the utility model is directly installed on cylinder cap by being provided with piston rod and seal pipe, seal pipe in cylinder barrel main body On, so that the leakproofness of cylinder barrel main body is had good leakproofness, in piston motion, piston rod can move together with piston, when Piston rod movement makes to a certain distance, and second spring can play certain buffer function, can effectively prevent piston rod The excessive part in gearbox that does work for a long time damages, while the two sides of seal pipe are provided with high-intensitive rubber Circle, can further increase the leakproofness of device.

2, the utility model is fixedly installed with connecting tube by being provided with telescoping tube, telescoping tube upper end in cylinder barrel main body, When fuel delivery device and connecting tube are attached, connecting tube by squeeze the first spring have in the horizontal direction certain activity away from From, being attached with fuel delivery device with fast and stable, make connect angle it is more diversified.

Detailed description of the invention

Fig. 1 is the cylinder structure schematic diagram of the utility model；

Fig. 2 is the connecting tube and the first spring connection schematic diagram of the utility model；

Fig. 3 is the rubber ring structural schematic diagram of the utility model.

In figure: 1- cylinder barrel main body；2- oil inlet；3- oil guide pipe；4- telescoping tube；5- connecting tube；6- protecting tube；The first bullet of 7- Spring；8- cavity；9- piston；10- piston rod；11- second spring；12- seal pipe；13- cylinder cap；14- thermal insulation layer；15 rubber rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of novel shift oil for automobile gearbox Cylinder assembly, including cylinder barrel main body 1, the side of the cylinder barrel main body 1 are provided with oil inlet 2, in oil inlet in the cylinder barrel main body 1 Oil guide pipe 3 is fixedly installed at 2, the other end of the oil guide pipe 3 is fixedly connected with telescoping tube 4, and the upper end of the telescoping tube 4 is solid Dingan County is equipped with connecting tube 5, and the outside of the telescoping tube 4 is provided with protecting tube 6, and the protecting tube 6 is fixedly mounted on cylinder barrel main body 1 on the lateral wall of oil inlet side, several first springs 7, institute are fixedly installed at the upper end tube nozzle of the protecting tube 6 The inside for stating cylinder barrel main body 1 is provided with cavity 8, and piston 9, the side of the piston 9 far from oil inlet 2 are provided in the cavity It is fixedly installed with piston rod 10, the outside of the piston rod 10 is provided with second spring 11, and the second spring 11 is fixedly mounted On piston 9, the other side of the second spring 11 is provided with seal pipe 12, and the other end of the seal pipe 12 is fixedly mounted on On cylinder cap 13, the cylinder cap 13 is fixedly mounted on side of the cylinder barrel main body 1 far from oil inlet 2, and the piston rod 10 passes through sealing Pipe 12 is elongated to outside cylinder barrel main body 1, and the outside of the cylinder barrel main body 1 is fixedly installed with thermal insulation layer 14.

The inside of the first spring 7 is arranged in the connecting tube 5, and the connecting tube 5 is fixedly connected with the first spring 7, favorably In the fixation of lower retractable pipe 4, guarantee to be stably connected with fuel delivery device during oil transportation；The piston 9 and cylinder The face that cylinder main body 1 contacts is set as arc-shaped, advantageously reduces the frictional force between piston 9 and main body cylinder block 1, reduces kinetic energy Consumption；The piston rod 10 passes through high-intensitive rubber ring 15 with the opening of 12 two sides of seal pipe and is fixedly connected, the rubber Cushion rubber 15 is fixedly mounted in seal pipe 12, and device is made to have better sealing, guarantees the working efficiency of oil cylinder；Second bullet The diameter of spring 11 is identical as the diameter of seal pipe 12, and buffer function can be played by being conducive to second spring 11, prevents piston rod 10 Pressure excessive power input device is damaged.

Working principle: being provided with piston rod 10 and seal pipe 12 in cylinder barrel main body 1, seal pipe 12 is directly installed on cylinder cap 13 On, so that the leakproofness of cylinder barrel main body 1 is had good leakproofness, when piston 9 moves, piston rod 10 can be started shipment with piston 9 It is dynamic, make when piston rod 10 moves to a certain distance, second spring 11 can play certain buffer function, can effectively prevent Only the excessive part in gearbox that does work for a long time of piston rod 10 damages, at the same the two sides of seal pipe be provided with it is high-strength The rubber ring 15 of degree, can further increase the leakproofness of device, when fuel delivery device and connecting tube 5 are attached, connection Pipe 5 has certain operating range by squeezing the first spring 7 in the horizontal direction, being connected with fuel delivery device with fast and stable It connects, keeps connection angle more diversified, connect simpler.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of Gearshifting oil cylinder device for automobile gearbox, including cylinder barrel main body (1), it is characterised in that: the cylinder The side of cylinder main body (1) is provided with oil inlet (2), is fixedly installed with oil guide pipe at oil inlet (2) on the cylinder barrel main body (1) (3), the other end of the oil guide pipe (3) is fixedly connected with telescoping tube (4), and the upper end of the telescoping tube (4) is fixedly installed with company It takes over (5), is provided with protecting tube (6) on the outside of the telescoping tube (4), the protecting tube (6) is fixedly mounted on cylinder barrel main body (1) On the lateral wall of oil inlet side, several the first springs are fixedly installed at the upper end tube nozzle of the protecting tube (6) (7), it is provided with cavity (8), is provided in the cavity piston (9) on the inside of the cylinder barrel main body (1), the piston (9) is remote Side from oil inlet (2) is fixedly installed with piston rod (10), is provided with second spring (11) on the outside of the piston rod (10), The second spring (11) is fixedly mounted on piston (9), and the other side of the second spring (11) is provided with seal pipe (12), The other end of the seal pipe (12) is fixedly mounted on cylinder cap (13), and the cylinder cap (13) is fixedly mounted on cylinder barrel main body (1) Side far from oil inlet (2), the piston rod (10) pass through seal pipe (12) and are elongated to cylinder barrel main body (1) outside, the cylinder barrel Thermal insulation layer (14) are fixedly installed on the outside of main body (1).

2. a kind of Gearshifting oil cylinder device for automobile gearbox according to claim 1, it is characterised in that: described Connecting tube (5) is arranged in the inside of the first spring (7), and the connecting tube (5) is fixedly connected with the first spring (7).

3. a kind of Gearshifting oil cylinder device for automobile gearbox according to claim 1, it is characterised in that: described The face that piston (9) is contacted with cylinder barrel main body (1) is set as arc-shaped.

4. a kind of Gearshifting oil cylinder device for automobile gearbox according to claim 1, it is characterised in that: described Piston rod (10) passes through high-intensitive rubber ring (15) with the opening of seal pipe (12) two sides and is fixedly connected, the rubber ring (15) it is fixedly mounted on seal pipe (12).

5. a kind of Gearshifting oil cylinder device for automobile gearbox according to claim 1, it is characterised in that: described The diameter of second spring (11) is identical as the diameter of seal pipe (12).