CN213360642U

CN213360642U - Clutch power assisting device with pressure stabilization function

Info

Publication number: CN213360642U
Application number: CN202022335502.3U
Authority: CN
Inventors: 陈灵刚; 刘叶芝; 韩伟玉; 刘叶勇
Original assignee: Yuhuan Aoheng Machinery Co ltd
Current assignee: Yuhuan Aoheng Machinery Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-04
Anticipated expiration: 2030-10-19

Abstract

The utility model provides a take steady voltage separation and reunion booster unit belongs to mechanical technical field. The brake booster cylinder solves the problem that an overflow valve is not easy to install on the outer side of an existing brake booster cylinder. The clutch power assisting device with the pressure stabilization function comprises a cylinder body, a piston and a push rod, wherein the cylinder body is provided with an oil inlet and an oil outlet, a valve body is further fixed on the outer side of the cylinder body, an overflow channel is arranged in the valve body, the two ends of the overflow channel are respectively provided with an inlet and an outlet, an overflow part and a spring are further arranged in the valve body, the overflow part can block the overflow channel under the elastic action of the spring, the inlet is communicated with the oil inlet, a first oil hole, a second oil hole and a third oil hole which are communicated in sequence are further formed in the cylinder body, the first oil hole is formed in the X-axis direction, the second oil hole is formed in the Y-axis direction, the third oil hole is formed in the Z-axis direction, and the. The clutch power assisting device with the pressure stabilizing function has the advantage of wide application range.

Description

Clutch power assisting device with pressure stabilization function

Technical Field

The utility model belongs to the technical field of machinery, a take steady voltage separation and reunion booster unit is related to.

Background

The structure of the power cylinder generally comprises a cylinder body, a piston for dividing the inner cavity of the cylinder body into two independent sub-cavities and a push rod assembly in transmission connection with a pedal. A user can drive the push rod assembly and the piston to act by stepping on the pedal plate, so that oil pressure difference is generated between the two sub-cavities in the cylinder body, and the piston is pushed to move by oil pressure. An oil drainage channel is arranged between the inside and the outside of the cylinder body and used for discharging the overhigh oil pressure through the oil drainage channel.

For example, the applicant designs a hydraulic dual-chamber brake power-assisted master cylinder and applies for chinese patent with the application numbers: 201921267438.0, respectively; the bulletin number is: CN210502646U, this helping hand master cylinder includes the cylinder body, oil inlet and oil-out have still been seted up on the cylinder body, the cylinder body outside is located and has still linked firmly the valve body between oil inlet and the oil-out, the valve body has the feed liquor end that is linked together with the oil inlet, the play liquid end that is linked together with the oil-out and can communicate the overflow passageway of feed liquor end and play liquid end, still be provided with the overflow spare in the valve body, the spring holder and set up the spring between overflow spare and spring holder, the overflow spare can block the overflow passageway under the spring force effect of spring, the spring holder can be close to or keep away from to the overflow spare direction in the valve body and.

This brake helping hand master cylinder sets up the valve body that has overflow piece isotructure in the cylinder body outside for can spill over through the overflow passageway of overflow piece department when the oil pressure of oil feed chamber in the cylinder body is too high, avoid oil feed chamber department and external equipment to bear too high oil pressure, guarantee life, however, according to the shape difference in the cylinder body outside and installation environment etc. space factor difference, can't directly fix the overflow valve between the oil inlet and the oil-out of cylinder body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a take steady voltage separation and reunion booster unit, solved the difficult problem of installing the overflow valve in the current braking helping hand cylinder outside.

The purpose of the utility model can be realized by the following technical proposal:

the clutch power assisting device with the pressure stabilizing function comprises a cylinder body with an oil inlet and an oil outlet, a piston and a push rod which are arranged in the cylinder body, the inner end of the push rod extends into the cylinder body, the outer end of the push rod extends out of the cylinder body, a valve body is fixed on the outer side of the cylinder body, the valve body is internally provided with an overflow channel, the two ends of the overflow channel are respectively an inlet and an outlet, the valve body is also internally provided with an overflow piece and a spring, the overflow piece can block the overflow channel under the elastic force of the spring, the inlet is communicated with the oil inlet, it is characterized in that the cylinder body is also provided with a first oil hole, a second oil hole and a third oil hole which are communicated in sequence, the first oil hole is formed in the X-axis direction, the second oil hole is formed in the Y-axis direction, the third oil hole is formed in the Z-axis direction, and the outlet is communicated to the oil outlet sequentially through the first oil hole, the second oil hole and the third oil hole.

This take steady voltage separation and reunion booster unit has seted up oilhole one, oilhole two and oilhole three along X axle, Y axle and Z axle direction in proper order in the cylinder body, even if receive the influence of cylinder body surface and installation environment, also accessible deflection valve body for the oil-out of cylinder body is kept away from to the export on the valve body, and the rethread sets up oilhole one, oilhole two and oilhole three in the cylinder body and communicates to oil outlet department again, can guarantee the effect of overflow, can make things convenient for the installation of valve body again.

In the clutch power assisting device with the pressure stabilizing function, an oil hole four, an oil hole five, an oil hole six and an oil hole seven are further formed in the cylinder body and are sequentially communicated, the oil hole four is formed in the Z-axis direction, the oil hole five is formed in the X-axis direction, the oil hole six is formed in the Y-axis direction, the oil hole seven is formed in the Z-axis direction, and the inlet is communicated to the oil inlet sequentially through the oil hole four, the oil hole five, the oil hole six and the oil hole seven.

In foretell take steady voltage separation and reunion booster unit, the cylinder body is the tubbiness, the piston set up in the cylinder body, the opening part of cylinder body is provided with and is the annular lantern ring, the outside of the lantern ring with the inner wall of cylinder body supports and leans on and seals, the push rod certainly pass in the lantern ring, be provided with on the cylinder body lateral wall and prevent the barrier section that the cylinder body was deviate from to the lantern ring, the lantern ring is located between piston and the barrier section.

In the above clutch booster with pressure stabilization, the blocking part comprises an annular blocking ring and an annular retainer ring partially embedded in the inner wall of the cylinder body, the outer side of one end, away from the lantern ring, of the blocking ring is provided with a conical surface, and the retainer ring partially extends out of the inner wall of the cylinder body and can abut against the conical surface.

In the above clutch booster with pressure stabilization, the outer side of the collar near one end of the stop ring is provided with a recessed annular limit groove, and the stop ring can extend into the limit groove and abut against the bottom of the limit groove.

In the above clutch booster with pressure stabilization, the push rod includes a first rod and a second rod distributed along the axial direction, the inner end of the first rod extends into the cylinder body, the outer end of the second rod extends out of the cylinder body, and the inner end of the second rod can abut against and act on the outer end of the first rod.

In the above clutch booster with pressure stabilization, the end face of the outer end of the rod is provided with a concave socket, and the inner end of the rod II can extend into the socket.

Compared with the prior art, the clutch power assisting device with the pressure stabilizing function has the advantages that the inlet and the outlet of the valve body are respectively communicated to the oil inlet and the oil outlet in a mode that the oil holes are formed in the cylinder body along the X-axis direction, the Y-axis direction and the Z-axis direction, so that the effect of overflow can be realized by changing the installation direction and the installation angle of the valve body even if the valve body is limited by the shape of the outer surface of the cylinder body or the installation space and the like during installation, and the application range is.

Drawings

FIG. 1 is a schematic sectional view of a first embodiment of the power assisting device with a pressure stabilizing clutch.

FIG. 2 is a schematic cross-sectional view of another perspective of the clutch assist device with pressure stabilization according to the embodiment of the present invention.

FIG. 3 is a schematic sectional view of the second embodiment of the clutch assist device with pressure stabilization.

FIG. 4 is a schematic cross-sectional view of another perspective of the power assisting device with a pressure stabilizing clutch according to the embodiment of the present invention.

In the figure, 1, a cylinder body; 2. a piston; 3. a push rod; 4. a valve body; 5. an inlet; 6. an outlet; 7. an overflow member; 8. a spring; 9. a first oil hole; 10. an oil hole II; 11. an oil hole III; 12. an oil hole IV; 13. an oil hole five; 14. an oil hole six; 15. an oil hole seven; 16. a collar; 17. a blocking ring; 18. a retainer ring; 19. a first rod; 20. and a second rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the pressure-stabilizing clutch power assisting device comprises a cylinder body 1 with an oil inlet and an oil outlet, a piston 2 arranged in the cylinder body 1, and a push rod 3, wherein the inner end of the push rod 3 extends into the cylinder body 1, and the outer end of the push rod 3 extends out of the cylinder body 1. The outer side of the cylinder body 1 is further fixed with a valve body 4, an overflow channel is arranged in the valve body 4, an inlet 5 and an outlet 6 are respectively arranged at two ends of the overflow channel, an overflow piece 7 and a spring 8 are further arranged in the valve body 4, and the overflow piece 7 can block the overflow channel under the elastic action of the spring 8.

The cylinder body 1 is further internally provided with a first oil hole 9, a second oil hole 10 and a third oil hole 11 which are sequentially communicated, the first oil hole 9 is formed along the X-axis direction, the second oil hole 10 is formed along the Y-axis direction, the third oil hole 11 is formed along the Z-axis direction, and the outlet 6 is communicated to an oil outlet sequentially through the first oil hole 9, the second oil hole 10 and the third oil hole 11.

Correspondingly, an oil hole four 12, an oil hole five 13, an oil hole six 14 and an oil hole seven 15 which are sequentially communicated are formed in the cylinder block 1, the oil hole four 12 is formed along the Z-axis direction, the oil hole five 13 is formed along the X-axis direction, the oil hole six 14 is formed along the Y-axis direction, the oil hole seven 15 is formed along the Z-axis direction, and the inlet 5 is communicated with an oil inlet sequentially through the oil hole four 12, the oil hole five 13, the oil hole six 14 and the oil hole seven 15.

The cylinder body 1 is the tubbiness, and piston 2 sets up in cylinder body 1, and the opening part of cylinder body 1 is provided with and is the annular lantern ring 16 of circle, and the outside of lantern ring 16 supports with the inner wall of cylinder body 1 and leans on and seal through the sealing washer, and push rod 3 passes in the lantern ring 16 certainly, is provided with the stop part that can prevent the lantern ring 16 to deviate from cylinder body 1 on the cylinder body 1 lateral wall, and the lantern ring 16 is located between piston 2 and the stop part. In the embodiment, the blocking part comprises a blocking ring 17 in an annular shape and an annular retainer ring 18 partially embedded in the inner wall of the cylinder body 1, the outer side of one end of the blocking ring 17, which is far away from the sleeve ring 16, is provided with a conical surface, and the retainer ring 18 partially extends out of the inner wall of the cylinder body 1 and can abut against the conical surface; the outer side of the collar 16 near one end of the stop ring 17 is provided with a concave annular limit groove, and the stop ring 17 can extend into the limit groove and abut against the bottom of the limit groove.

The push rod 3 comprises a first rod 19 and a second rod 20 which are distributed along the axial direction, the first rod 19 penetrates through the collar 16, the inner end of the first rod 19 extends into the cylinder body 1, the outer end of the second rod 20 extends out of the cylinder body 1, and the inner end of the second rod 20 can abut against and act on the outer end of the first rod 19.

Example two

The present embodiment is substantially the same as the first embodiment, except that: the position of the inlet 5 is opposite to that of the oil inlet, and the inlet and the oil inlet are directly communicated or communicated through a transition hole; the end face of the outer end of the first rod 19 is provided with a concave socket, and the inner end of the second rod 20 can extend into the socket.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The clutch power assisting device with the pressure stabilizing function comprises a cylinder body (1) with an oil inlet and an oil outlet, a piston (2) and a push rod (3) which are arranged in the cylinder body (1), wherein the inner end of the push rod (3) extends into the cylinder body (1), the outer end of the push rod (3) extends out of the cylinder body (1), a valve body (4) is further fixed on the outer side of the cylinder body (1), an overflow channel is arranged in the valve body (4), an inlet (5) and an outlet (6) are respectively arranged at two ends of the overflow channel, an overflow piece (7) and a spring (8) are further arranged in the valve body (4), the overflow piece (7) can block the overflow channel under the elastic force action of the spring (8), the inlet (5) is communicated with the oil inlet, and the clutch power assisting device is characterized in that a first oil hole (9), a second oil hole (10) and a third oil hole (11) which are sequentially communicated, the oil hole I (9) is formed along the X-axis direction, the oil hole II (10) is formed along the Y-axis direction, the oil hole III (11) is formed along the Z-axis direction, and the outlet (6) is communicated to the oil outlet sequentially through the oil hole I (9), the oil hole II (10) and the oil hole III (11).

2. The clutch booster with the pressure stabilizing function according to claim 1, wherein an oil hole four (12), an oil hole five (13), an oil hole six (14) and an oil hole seven (15) are further formed in the cylinder block (1) and are sequentially communicated, the oil hole four (12) is formed in the Z-axis direction, the oil hole five (13) is formed in the X-axis direction, the oil hole six (14) is formed in the Y-axis direction, the oil hole seven (15) is formed in the Z-axis direction, and the inlet (5) is communicated with the oil inlet sequentially through the oil hole four (12), the oil hole five (13), the oil hole six (14) and the oil hole seven (15).

3. The clutch power assisting device with the pressure stabilization function according to claim 1 or 2, characterized in that the cylinder body (1) is barrel-shaped, the piston (2) is arranged in the cylinder body (1), an annular collar (16) is arranged at an opening of the cylinder body (1), the outer side of the collar (16) abuts against and seals against the inner wall of the cylinder body (1), the push rod (3) penetrates through the collar (16), a blocking portion capable of preventing the collar (16) from being separated from the cylinder body (1) is arranged on the side wall of the cylinder body (1), and the collar (16) is located between the piston (2) and the blocking portion.

4. The clutch booster device with the pressure stabilizing function according to claim 3 is characterized in that the blocking part comprises a blocking ring (17) in an annular shape and an annular retainer ring (18) partially embedded in the inner wall of the cylinder body (1), the outer side of one end, away from the collar (16), of the blocking ring (17) is provided with a conical surface, and the retainer ring (18) partially extends out of the inner wall of the cylinder body (1) and can abut against the conical surface.

5. The clutch booster device with the pressure stabilization function according to claim 4 is characterized in that the outer side of one end, close to the blocking ring (17), of the sleeve ring (16) is provided with a concave annular limiting groove, and the blocking ring (17) can extend into the limiting groove and abut against the bottom of the limiting groove.

6. The clutch booster with the pressure stabilization function according to claim 1 or 2, characterized in that the push rod (3) comprises a first rod (19) and a second rod (20) which are distributed along the axial direction, the inner end of the first rod (19) extends into the cylinder body (1), the outer end of the second rod (20) extends out of the cylinder body (1), and the inner end of the second rod (20) can abut against and act on the outer end of the first rod (19).

7. The booster with a pressure stabilizing clutch according to claim 6, characterized in that the end face of the outer end of the first rod (19) is provided with a concave socket, and the inner end of the second rod (20) can extend into the socket.