CN209743432U - Clutch boosting wheel cylinder - Google Patents

Abstract

The utility model provides a separation and reunion helping hand wheel cylinder relates to the automobile clutch field, including cylinder body, piston, push rod assembly, be equipped with the gassing screw on the cylinder body and connect pressure oil pipe's coupling screw, the gassing screw is furnished with the gassing screw, the cylinder chamber bottom of cylinder body is equipped with the stopper, the stopper is both ends open-ended tubular structure, the first end opening and the coupling screw intercommunication of stopper, the second end opening of stopper is towards the piston, the stopper passes through the fastener to be fixed in the cylinder body bottom. The utility model provides a separation and reunion helping hand wheel cylinder fixes the stopper in the cylinder body bottom through the fastener, reforms transform the stopper into both ends open structure simultaneously, can make things convenient for the installation of fastener, has avoided in the use because pressure differential leads to the stopper to shift, finally produces the condition that the impact reduces separation and reunion helping hand wheel cylinder life.

Description

Clutch boosting wheel cylinder

Technical Field

The utility model belongs to the automobile clutch field, concretely relates to separation and reunion helping hand wheel cylinder.

Background

The clutch slave cylinder of the automobile is connected with the automobile gearbox, so that auxiliary thrust is added for a driver to step on the brake; the clutch is in a separation state by amplifying the acting force of the pedal clutch. However, the existing clutch slave cylinder has the design reason, and the defect that the oil outlet is easily closed and blocked due to limit is easily caused.

The patent number is CN 201220399532.3's a clutch wheel cylinder, for overcoming the defect that uses the spring easily to lead to the oil-out to block up, be equipped with the stopper in cylinder chamber bottom, the stopper is bottom confined cylinder tubular structure, simultaneously because leave the clearance between the cylinder tubular structure outer peripheral face of stopper and the cylinder chamber of cylinder body, at clutch wheel cylinder during operation, because the pressure effect, the stopper can produce the displacement along with the removal of piston rod, although the stopper is provided with the location boss, but not carry out the adaptability to the cylinder body bottom and improve, make the location boss lack the cooperation structure, still can't realize the location, along with the lapse of time, the stopper can produce wearing and tearing owing to striking cylinder body bottom, the last fragment that wearing and tearing produced can influence the normal use of clutch wheel cylinder, reduce the life of clutch wheel cylinder.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art, the utility model provides a separation and reunion helping hand wheel cylinder to solve above-mentioned technical problem.

The utility model provides a separation and reunion helping hand wheel cylinder, including cylinder body, piston, push rod assembly, be equipped with the gassing screw on the cylinder body and connect pressure oil pipe's coupling screw, the gassing screw is furnished with the gassing screw, the cylinder chamber bottom of cylinder body is equipped with the stopper, the stopper is both ends open-ended tubular structure, the first end opening and the coupling screw intercommunication of stopper, the second end opening of stopper is towards the piston, the stopper passes through the fastener to be fixed in the cylinder body bottom.

Furthermore, the fastener includes fixing bolt and nut, fixing bolt passes the lateral wall of stopper and the section of thick bamboo wall of cylinder body and is connected with the nut, the nut is located the cylinder body outside.

Furthermore, a sealing gasket is arranged at the position where the cylinder body is matched with the fixing bolt.

Further, the sealing gaskets are respectively arranged on the inner side and the outer side of the cylinder body.

Further, the fixing bolt is an anti-falling bolt.

Further, the anti-drop bolt includes nut and screw rod, the installation end and the nut of screw rod are connected, the stiff end and the nut threaded connection of screw rod, the stiff end of screw rod is provided with holding tank and spacing groove, the holding tank is perpendicular with the radial direction of screw rod, the spacing groove is parallel with the radial direction of screw rod, spacing groove and holding tank intercommunication, the rotatable embedding in intersection of holding tank and spacing groove is equipped with the gag lever post, but the gag lever post holding is in the holding tank, still can follow roll out in the holding tank and then block into the spacing inslot, just the gag lever post card is gone into the protruding screw rod that stretches out of the free end of gag lever post when the spacing inslot.

The beneficial effects of the utility model reside in that, the utility model provides a separation and reunion helping hand wheel cylinder fixes the stopper in the cylinder body bottom through the fastener, reforms transform the stopper into both ends open structure simultaneously, can make things convenient for the installation of fastener, has avoided in the use because pressure differential leads to the stopper to shift, finally produces the condition that strikes reduction separation and reunion helping hand wheel cylinder life. Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the structure schematic diagram of the clutch boosting wheel cylinder of the utility model.

Fig. 2 is the structure diagram of the screw fixing end of the fixing bolt of the present invention.

In the figure, the cylinder body 1, the cylinder cavity 11, the cylinder cavity bottom 2, the piston 3, the push rod assembly 4, the pipe joint screw hole 5, the limiting block 51, the communicating groove 6, the fixing bolt 61, the limiting groove 62, the accommodating groove 63, the limiting rod 64, the screw rod 65, the sphere 7 and the nut.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

The utility model provides a separation and reunion helping hand wheel cylinder, as shown in figure 1, including cylinder body 1, piston 2, push rod assembly 3, be equipped with gassing screw and connection pressure oil pipe's coupling screw 4 on the cylinder body 1, the gassing screw is furnished with the gassing screw, cylinder body 1's cylinder chamber bottom 11 is equipped with stopper 5, stopper 5 is both ends open-ended tubular structure, stopper 5's first end opening and coupling screw 4 intercommunication, stopper 5's second end opening is towards piston 2, stopper 5 passes through the fastener and fixes in cylinder body 1 bottom.

Specifically, the fastener includes fixing bolt 6 and nut 7, fixing bolt 6 passes 5 lateral walls of stopper and the section of thick bamboo wall of cylinder body 1 and is connected with nut 7, for the convenience of installation and maintenance, will nut 7 sets up in the cylinder body 1 outside.

In order to ensure the sealing performance of the cylinder body 1, a sealing gasket is arranged at the position where the cylinder body 1 is matched with the fixing bolt 6. Preferably, the sealing gaskets are respectively arranged on the inner side and the outer side of the cylinder body 1.

In order to avoid equipment failure caused by falling of the fixing bolt 6, the fixing bolt 6 is a falling-off prevention bolt. Specifically, the anti-drop bolt includes a nut and a screw 64, the mounting end of the screw 64 is connected with the nut, the fixed end of the screw 64 is in threaded connection with the nut 7, as shown in fig. 2, the fixed end of the screw 64 is provided with an accommodating groove 62 and a limiting groove 61, the accommodating groove 62 is perpendicular to the radial direction of the screw 64, the limiting groove 61 is parallel to the radial direction of the screw 64, the limiting groove 61 is communicated with the accommodating groove 62, a limiting rod 63 is rotatably embedded at the intersection of the accommodating groove 62 and the limiting groove 61, the limiting rod 63 can be accommodated in the accommodating groove 62 and can be further taken out of the accommodating groove 62 and then clamped into the limiting groove 61, and the limiting rod 63 is clamped into the limiting groove 61, so that the free end of the limiting rod 63 protrudes out of the screw 64, the nut 7 is clamped, and the anti-drop of the nut 7 is.

The utility model provides a separation and reunion helping hand wheel cylinder fixes stopper 5 in 1 bottom of cylinder body through the fastener, reforms transform stopper 5 into both ends open structure simultaneously, can make things convenient for the installation of fastener, has avoided in the use because pressure differential leads to stopper 5 to shift, finally produces the condition that the impact reduces separation and reunion helping hand wheel cylinder life. Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a separation and reunion helping hand wheel cylinder, includes cylinder body (1), piston (2), push rod assembly (3), be equipped with bleeder screw and connection pressure oil pipe's coupling screw (4) on cylinder body (1), the bleeder screw is furnished with the bleeder screw, cylinder chamber bottom (11) of cylinder body (1) are equipped with stopper (5), its characterized in that: stopper (5) are both ends open-ended tubular structure, the first end opening and the coupling screw (4) intercommunication of stopper (5), the second end opening of stopper (5) is towards piston (2), stopper (5) are fixed in cylinder body (1) bottom through the fastener.

2. The clutch boosting wheel cylinder as claimed in claim 1, wherein: the fastening piece comprises a fixing bolt (6) and a nut (7), the fixing bolt (6) penetrates through the side wall of the limiting block (5) and the cylinder wall of the cylinder body (1) to be connected with the nut (7), and the nut (7) is located on the outer side of the cylinder body (1).

3. The clutch boosting wheel cylinder as claimed in claim 2, wherein: and a sealing gasket is arranged at the position where the cylinder body (1) is matched with the fixing bolt (6).

4. The clutch boosting wheel cylinder as claimed in claim 3, wherein: the sealing gaskets are respectively arranged on the inner side and the outer side of the cylinder body (1).

5. The clutch boosting wheel cylinder as claimed in any one of claims 2 to 4, wherein: the fixing bolt (6) is an anti-falling bolt.

6. The clutch boosting wheel cylinder as claimed in claim 5, wherein: the anti-falling bolt comprises a nut and a screw rod (64), the mounting end of the screw rod (64) is connected with the nut, the fixed end of the screw rod (64) is in threaded connection with the nut (7), the fixed end of the screw rod (64) is provided with an accommodating groove (62) and a limiting groove (61), the accommodating groove (62) is vertical to the radial direction of the screw rod (64), the limiting groove (61) is parallel to the radial direction of the screw rod (64), the limiting groove (61) is communicated with the accommodating groove (62), a limiting rod (63) is rotatably embedded at the intersection of the accommodating groove (62) and the limiting groove (61), the limiting rod (63) can be contained in the containing groove (62) and can also be rotated out of the containing groove (62) to be clamped in the limiting groove (61), and when the limiting rod (63) is clamped in the limiting groove (61), the free end of the limiting rod (63) protrudes out of the screw (64).