Pull rod type hydraulic clutch

Abstract

The utility model relates to the technical field of clutches, and discloses a pull rod type hydraulic clutch which comprises a flywheel, a clutch shell fixedly connected to one side of the flywheel, a gearbox input shaft arranged in the middle of the clutch shell, and a torsion damper clamped to one side, close to the flywheel, of the gearbox input shaft in a sliding mode. The torsion damper is mainly used for buffering transmission to a certain degree, a clamping groove is formed in the middle of the torsion damper, a clamping strip matched with the clamping groove is arranged on the circumferential surface of the position, close to the torsion damper, of the gearbox input shaft, a friction plate is fixedly connected to the outer side of the torsion damper, and six output piston cylinder bodies are fixedly connected to the circumference of the outer side of the clutch shell at equal intervals. The clutch operating mechanism has the advantages that operation is easier and more labor-saving, especially under the condition of frequent gear shifting, the advantages are more obvious, and due to the bendability of the hydraulic oil pipe, the clutch operating mechanism can be better matched with components such as an engine and a transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to clutch technical field especially relates to a pull rod type hydraulic clutch. BACKGROUND

[0002] Clutch is an important component in mechanical transmission system, and is mainly used for connecting or disconnecting the power transmission between engine and transmission. It can make the vehicle start smoothly, shift, and prevent the transmission system from overloading. In the working process, the combination and separation of power can be controlled according to the needs, and the common types are friction type, hydraulic type and the like, which are widely used in many fields such as automobile and engineering machinery.

[0003] In the prior art, the common clutch in the prior art generally adopts lever, steel wire rope and other mechanisms between clutch pedal and pressure plate to realize transmission and further control the effect of pressure plate on friction plate, but the above transmission mode needs a large force to realize the control of clutch, and long-time use easily leads to driving fatigue, so a pull rod type hydraulic clutch is designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a pull rod type hydraulic clutch to solve the shortcoming in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A pull rod type hydraulic clutch, including flywheel, the flywheel one side fixedly connected with clutch shell, the clutch shell middle part is provided with the input shaft of gearbox, the input shaft of gearbox is close to the side of flywheel and is slidably connected with torsional damper, and the torsional damper is prior art, and it is not described again, mainly a certain buffer to transmission, the middle part of torsional damper is provided with the clamping groove, the circumferential surface of input shaft of gearbox is close to torsional damper and is provided with the clamping strip of clamping groove, the outer side of torsional damper is fixedly connected with the friction plate, the outer side of clutch shell is fixedly connected with six output piston cylinder bodies at equal distance, the inner side of each output piston cylinder body is slidably provided with output piston, and each output piston is fixedly connected with the lug and penetrates the clutch shell, and the lug is fixedly connected with the same pressure plate at the other end, and the output piston is located between the lug and the clutch shell and is provided with the pressure spring.

[0007] As a further scheme of the utility model, the side, away from the clutch shell, of the six output piston cylinder bodies is fixedly connected with the same annular oil cavity, and the plurality of output piston cylinder bodies are communicated with the annular oil cavity, and the other side of the annular oil cavity is rotatably connected with the annular sealing cover, the setting of the annular sealing cover makes the annular oil cavity rotate with the annular oil cavity and the clutch shell, and the oil pipe can also ensure stability.

[0008] As a further scheme of the utility model, the annular sealing cover is fixedly connected with an input mechanism through the oil pipe, the input mechanism comprises an input piston cylinder body fixedly connected with the other end of the oil pipe, an input piston is slidably connected in the input piston cylinder body, a pull rod is fixedly connected to the outer side of the input piston, and a vertical plate is fixedly connected to the other end of the pull rod.

[0009] As a further scheme of the utility model, the input mechanism further comprises a cross bar fixedly connected to the top of the vertical plate and close to one side of the input piston, a vertical slot hole is formed in the top of the other end of the cross bar, support frames are fixedly connected to the top of both sides of the input piston cylinder body, and two rotating rods are rotatably connected to the top of the two support frames through rotating shafts.

[0010] As a further scheme of the utility model, the input mechanism further comprises a same sliding rod fixedly connected to the bottom of the two rotating rods, and the sliding rod is slidably connected in the vertical slot hole.

[0011] As a further scheme of the utility model, an oil cylinder is fixedly connected to the top of the input piston cylinder body and close to the oil pipe, the oil cylinder is in communication with the input piston cylinder body, and a sealing oil cover is arranged on the top of the oil cylinder, so that the hydraulic oil can be conveniently replaced and supplemented.

[0012] The utility model discloses the beneficial effects are:

[0013] The utility model discloses: because adopt input mechanism, annular oil chamber, annular sealing cover and output piston and so on technical means, the clutch pedal is through with the input mechanism place rotating rod linkage, can realize the working condition of control pressure disc, reduces more mechanical mechanism, effectively solve the problem that the background art more transmission mechanism is proposed, and then realize the smaller force that the pedal place is added can be amplified through hydraulic system, converts into larger separating force, and it is more relaxed and labor-saving to operate, especially under the condition of frequently shifting, the advantage is more obvious, and because the bendability of hydraulic oil pipe, the operating mechanism of clutch can better cooperate with engine and transmission and other components technical effect. ACCURACY OF DRAWINGS

[0014] Figure 1 The utility model discloses a pull rod type hydraulic clutch whole structure schematic view is proposed;

[0015] Figure 2 The utility model discloses a pull rod type hydraulic clutch partial dismounting structure schematic view is proposed;

[0016] Figure 3 The utility model discloses a pull rod type hydraulic clutch clutch shell inside structure schematic view is proposed;

[0017] Figure 4 A structure schematic view of a pull rod type hydraulic clutch input mechanism is provided in the utility model.

[0018] Figure 5 A pull rod type hydraulic clutch is provided in the utility model. Figure 4 The structure schematic view of A is enlarged.

[0019] In the drawing: 1, flywheel; 2, input mechanism; 201, input piston cylinder body; 202, input piston; 203, pull rod; 204, vertical plate; 205, oil cylinder; 206, cross rod; 207, vertical slot hole; 208, support frame; 209, rotating rod; 210, sliding rod; 3, pressure plate; 4, clutch shell; 5, torsional damper; 501, friction plate; 6, gearbox input shaft; 7, annular oil cavity; 701, annular sealing cover; 702, output piston cylinder body; 703, output piston; 704, pressure spring; 705, protruding block. Specific embodiments

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] With reference to Figures 1-5 A pull rod type hydraulic clutch, comprising a flywheel 1, one side of the flywheel 1 is fixedly connected with a clutch shell 4, a gearbox input shaft 6 is arranged in the middle of the clutch shell 4, a torsional damper 5 is slidably connected to the side of the gearbox input shaft 6 close to the flywheel 1, a clamping groove is formed in the middle of the torsional damper 5, a clamping strip matched with the clamping groove is arranged on the circumferential surface of the side of the gearbox input shaft 6 close to the torsional damper 5, a friction plate 501 is fixedly connected to the outside of the torsional damper 5, six output piston cylinder bodies 702 are fixedly connected to the outside of the clutch shell 4 at equal distances, an output piston 703 is slidably arranged in each output piston cylinder body 702, a protruding block 705 is fixedly connected to each output piston 703 and penetrates through the clutch shell 4, the same pressure plate 3 is fixedly connected to the other end of each protruding block 705, and a pressure spring 704 is arranged around each output piston 703 between the protruding block 705 and the clutch shell 4. The arrangement of the pressure spring 704 makes the pressure plate 3 tightly extrude the friction plate 501 to one side of the flywheel 1 when the clutch pedal is not used, so that stable transmission is realized.

[0023] In the embodiment, the six output piston cylinders 702 are fixedly connected with the same annular oil cavity 7 away from one side of the clutch housing 4, and the plurality of output piston cylinders 702 are in communication with the annular oil cavity 7, and the other side of the annular oil cavity 7 is rotatably connected with the annular sealing cover 701.

[0024] In the embodiment, the annular sealing cover 701 is fixedly connected with the input mechanism 2 through the oil pipe, the input mechanism 2 includes the input piston cylinder 201 fixedly connected with the other end of the oil pipe, the input piston 202 is slidably connected in the input piston cylinder 201, the pull rod 203 is fixedly connected to the outer side of the input piston 202, and the vertical plate 204 is fixedly connected to the other end of the pull rod 203.

[0025] In the embodiment, the input mechanism 2 further includes the cross rod 206 fixedly connected to the top of the vertical plate 204 near the side of the input piston 202, the vertical slot hole 207 is formed in the other end of the top of the cross rod 206, the support frames 208 are fixedly connected to the top of the input piston cylinder 201 on both sides, the two rotating rods 209 are rotatably connected to the top of the two support frames 208 through the rotating shafts, and the plurality of output pistons 703 are moved backward by the backward movement of the input piston 202 in the input mechanism 2, so that the separation of the friction plate 501 of the pressure plate 3u is realized.

[0026] In the embodiment, the input mechanism 2 further includes the same sliding rod 210 fixedly connected to the bottom of the two rotating rods 209, and the sliding rod 210 is slidably connected in the vertical slot hole 207.

[0027] In the embodiment, the oil cylinder 205 is fixedly connected to the top of the input piston cylinder 201 near the side of the oil pipe, the oil cylinder 205 is in communication with the input piston cylinder 201, and the sealing oil cover is arranged on the top of the oil cylinder 205, so that the clutch is convenient to maintain, and the hydraulic oil is convenient to supplement or replace in time.

[0028] Working principle: the pull rod type hydraulic clutch, in the installation and use, the clutch pedal of the car is connected with the top of the rotating rod 209 of the input mechanism 2 through the pull rod, when the clutch pedal is not stepped on, the pressure plate 3 is tightly pressed against the friction plate 501 under the action of the plurality of pressure springs 704, so that the friction plate 501 and the flywheel 1 form static friction, at this time the kinetic energy of the flywheel 1 is realized as the input kinetic energy of the gearbox through the torsion damper 5, the friction plate 501 and the gearbox input shaft 6, when it is needed to separate the gearbox from the flywheel 1 of the engine, the clutch pedal is stepped on at this time, the top of the rotating rod 209 is turned towards the oil cylinder 205, the sliding rod 210 moves backward with the horizontal rod 206 and the pull rod 203 and the input piston 202 through the setting of the vertical slot hole 207, at this time the oil in the annular oil chamber 7 will be moved to the input piston cylinder 201 through the oil pipe connected with the input mechanism 2, due to the increase of the oil containing part volume in the annular oil chamber 7, the output piston cylinder 702 and the input piston cylinder 201, the six output pistons 703 move towards the side of the annular oil chamber 7, which ensures the constant volume, at this time the six pressure springs 704 are compressed, so that the pressure plate 3 is separated from the friction plate 501, at this time the friction plate 501 will not form static friction with the flywheel 1, and then the gearbox is separated from the flywheel 1, through the setting of the hydraulic pressure, the transmission is more stable and flexible.

[0029] For the purposes of this description, spatially relative terms, such as "above", "below", "up", "down", "between", "within", "left", "right", "front", "back", "upper", "lower", "horizontal", "vertical", "above", "below", "up", "down", "top", "bottom", "side", "end", etc., are intended to describe the relative position of one element to another as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "above" or "up" other elements or structures can be oriented "below" or "down" the other elements or structures. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "above" or "up" other elements or structures can be oriented "below" or "down" the other elements or structures. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0030] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lever-type hydraulic clutch, comprising a flywheel (1), characterized in that, A clutch housing (4) is fixedly connected to one side of the flywheel (1). A gearbox input shaft (6) is provided in the middle of the clutch housing (4). A torsional damper (5) is slidably engaged on the side of the gearbox input shaft (6) near the flywheel (1). A groove is provided in the middle of the torsional damper (5). A retaining strip is provided on the circumferential surface of the gearbox input shaft (6) near the torsional damper (5) to match the groove. A friction plate (501) is fixedly connected to the outside of the torsional damper (5). (4) Six output piston cylinders (702) are fixedly connected at equal intervals on the outer circumference. Each output piston cylinder (702) is slidably fitted with an output piston (703) on its inner side. Each output piston (703) is fixedly connected with a protrusion (705) through the clutch housing (4). The other end of each protrusion (705) is fixedly connected with the same pressure plate (3). Each output piston (703) is fitted with a pressure spring (704) between the protrusion (705) and the clutch housing (4).

2. The lever-type hydraulic clutch according to claim 1, characterized in that, The six output piston cylinders (702) are fixedly connected to the same annular oil chamber (7) on the side away from the clutch housing (4), and multiple output piston cylinders (702) are connected to the annular oil chamber (7). An annular sealing cover (701) is rotatably connected to the other side of the annular oil chamber (7).

3. The lever-type hydraulic clutch according to claim 2, characterized in that, The annular sealing cover (701) is fixedly connected to an input mechanism (2) via an oil pipe. The input mechanism (2) includes an input piston cylinder (201) fixedly connected to the other end of the oil pipe. An input piston (202) is slidably connected in the input piston cylinder (201). A pull rod (203) is fixedly connected to the outside of the input piston (202). A vertical plate (204) is fixedly connected to the other end of the pull rod (203).

4. The lever-type hydraulic clutch according to claim 3, characterized in that, The input mechanism (2) also includes a crossbar (206) fixedly connected to the top of the vertical plate (204) near the input piston (202). The other end of the crossbar (206) has a vertical slot (207) at the top. The top of the input piston cylinder (201) is fixedly connected to two support frames (208). The tops of the two support frames (208) are rotatably connected to two rotating rods (209) via a rotating shaft.

5. The lever-type hydraulic clutch according to claim 4, characterized in that, The input mechanism (2) also includes a sliding rod (210) fixedly connected to the bottom of the two rotating rods (209), and the sliding rod (210) is slidably connected in the vertical slot (207).

6. The lever-type hydraulic clutch according to claim 3, characterized in that, A hydraulic cylinder (205) is fixedly connected to the top of the input piston cylinder (201) near the oil pipe, and the hydraulic cylinder (205) is connected to the input piston cylinder (201). A sealing oil cap is provided on the top of the hydraulic cylinder (205).

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