CN221497965U - Tractor brake master cylinder - Google Patents
Tractor brake master cylinder Download PDFInfo
- Publication number
- CN221497965U CN221497965U CN202323403225.5U CN202323403225U CN221497965U CN 221497965 U CN221497965 U CN 221497965U CN 202323403225 U CN202323403225 U CN 202323403225U CN 221497965 U CN221497965 U CN 221497965U
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- Prior art keywords
- master cylinder
- cover
- cylinder body
- ring
- dust
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- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model discloses a tractor braking master cylinder which comprises a master cylinder body, a sealing end cover, a metal brake rod and a piston moving block, wherein the sealing end cover is welded at the opening end part of the master cylinder body and is provided with a sealing bottle neck, one end of the sealing bottle neck is provided with a dustproof cover connecting rubber sleeve, the metal brake rod is connected with the dustproof cover connecting rubber sleeve in a penetrating way, a dust storage barrel is arranged at the position of the metal brake rod positioned in the dustproof cover connecting rubber sleeve, and dust removing rubber rings connected with the metal brake rod are arranged at the two ends of the dust storage barrel. And adopt the cover of dirt proof boot connection gum cover to establish connected mode, have good dismantlement effect, be convenient for take out dust receiving cylinder, cut dust rubber ring, toper dust removal sword ring isotructure and clear up.
Description
Technical Field
The utility model relates to a tractor brake master cylinder, and belongs to the technical field of brake master cylinders.
Background
The tractor is used for drawing and driving the working machine to complete various mobile working self-propelled power machines. Can also be used as fixed operation power. The device consists of an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and other systems or devices. The brake of the tractor needs to be applied to a master cylinder structure, and the patent number CN201520939606.1 discloses a brake master cylinder which comprises a master cylinder main body, a master piston and a slave piston; the main cylinder main body is internally provided with a main cavity and an auxiliary cavity, an auxiliary installation cavity is arranged between the main cavity and the auxiliary cavity, the main cylinder main body is also provided with a main installation cavity, a main piston is arranged in the main installation cavity, and an auxiliary piston is arranged in the auxiliary installation cavity; the brake fluid main supply port is arranged on the wall of the main mounting cavity, the main piston is also provided with a piston through hole, and the piston through hole is communicated with the main cavity; a brake fluid auxiliary supply port is arranged on the wall of the auxiliary installation cavity, a piston groove is also arranged on the auxiliary piston, and the piston groove is communicated with the auxiliary cavity; when the piston through hole is connected to the brake fluid main supply port, the piston groove is connected to the brake fluid sub supply port, and when the piston through hole is disconnected from the brake fluid main supply port, the piston groove is disconnected from the brake fluid sub supply port. The pressure-building device is simple in structure, convenient for supplying liquid into the main cavity and the auxiliary cavity or stopping supplying liquid to start pressure building, and good in pressure-building effect.
The brake master cylinder disclosed by the above has the defects that a metal rod is required to be arranged on a master piston to play a role of stretching when the brake master cylinder is used, however, the connected metal rod lacks a corresponding dust removing structure when the brake master cylinder is in and out, dust is easy to exist on the surface of the metal rod and easily enters the brake master cylinder to influence the service life of the brake master cylinder, and therefore, the tractor brake master cylinder is designed.
Disclosure of utility model
The utility model aims to provide a tractor brake master cylinder to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the tractor braking master cylinder comprises a master cylinder body, a sealing end cover, a metal brake rod and a piston motion block, wherein the piston motion block is arranged in the master cylinder body, one end of the piston motion block is connected with the metal brake rod in an assembling mode, the sealing end cover is welded at the opening end of the master cylinder body and is provided with a sealing bottle neck, one end of the sealing bottle neck is provided with a dustproof cover connecting rubber sleeve, one end of the dustproof cover connecting rubber sleeve is provided with an integrated dustproof sheath, the metal brake rod is connected with the dustproof cover connecting rubber sleeve in a penetrating mode, dust collecting barrels are arranged at the positions of the metal brake rod, located in the dustproof cover connecting rubber sleeve, dust cutting rubber rings connected with the metal brake rod are arranged at two ends of the dust collecting barrels, conical dust removing cutter rings are arranged at one ends of the two dust cutting rubber rings, and the knife edges of the two conical dust removing cutter rings are symmetrically distributed.
In the tractor brake master cylinder, a first oil inlet and outlet valve port and a second oil inlet and outlet valve port are fixedly arranged on two sides of the top end of the cylinder body of the master cylinder, and oil blocking gaskets are arranged in the first oil inlet and outlet valve port and the second oil inlet and outlet valve port.
In the tractor brake master cylinder, an inner guide rod installation seat is arranged in the master cylinder body, an inner guide connecting rod is arranged in the middle of one end of the inner guide rod installation seat, the guide connecting rod is in sliding connection with the other end of the piston motion block, and a plurality of barb-shaped blocking protrusions are arranged on the surface of the guide connecting rod.
In the tractor brake master cylinder, one end of the inner guide rod mounting seat is fixedly provided with the inner spring piece, and the inner spring piece is in contact connection with the piston movement block.
In the tractor brake master cylinder, a sealing leather ring is arranged at the groove at the front end of the piston moving block, a fitting baffle ring is arranged at the front end of the sealing leather ring, and the fitting baffle ring is in protruding connection with the front end of the piston moving block.
In the tractor brake master cylinder, the middle part of the top end of the cylinder barrel body of the master cylinder is provided with the oil-blocking connecting seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the tractor brake master cylinder, the dustproof sleeve connecting rubber sleeve and the integrated dustproof sleeve are arranged at the neck opening of the sealing bottle of the sealing end cover, the dust storage barrel, the dust scraping rubber ring and the conical dust removing knife ring are arranged in the dustproof sleeve connecting rubber sleeve, and the knife edges of the conical dust removing knife ring are symmetrically distributed, so that dust attached to the surface of a metal brake rod can be removed when the metal brake rod is retracted into the cylinder body of the master cylinder, and the service life of the cylinder body of the master cylinder is effectively prolonged; the dustproof sleeve is connected with the rubber sleeve in a sleeved connection mode, so that the dustproof sleeve has a good dismounting effect, and the dust storage barrel, the dust removing rubber ring, the conical dust removing knife ring and other structures can be conveniently taken out for cleaning; through at direction connecting rod, barb shape stop protruding, interior spring spare and interior guide arm mount pad, have good braking effect, reverse traction force when increasing the braking avoids the not good phenomenon of braking to appear in the braking process.
Drawings
FIG. 1 is a schematic perspective view of a tractor brake master cylinder of the present utility model;
FIG. 2 is a schematic view of the internal structure of the cylinder body of the tractor master cylinder of the present utility model;
Fig. 3 is a schematic structural view of the dust container of the tractor brake master cylinder of the present utility model.
In the figure: 1. a master cylinder body; 2. sealing the end cover; 3. a first oil inlet and outlet valve port; 4. a second oil inlet and outlet valve port; 5. an oil-blocking connecting seat; 6. the dustproof sleeve is connected with the rubber sleeve; 7. a dust-proof sheath; 8. a metal brake lever; 9. sealing the neck of the bottle; 10. a dust storage tube; 11. cutting dust rubber rings; 12. conical dust-removing knife ring; 13. a piston motion block; 14. sealing the apron; 15. attaching a baffle ring; 16. a guide connecting rod; 17. barb-shaped blocking projections; 18. an inner spring member; 19. an inner guide rod mounting seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides a technical scheme of a tractor brake master cylinder:
According to the illustration of fig. 1-3, including master cylinder body 1, seal end cover 2, metal brake lever 8 and piston motion piece 13, piston motion piece 13 sets up in the inside of master cylinder body 1 and the one end and the metal brake lever 8 assembly connection of piston motion piece 13, seal end cover 2 welding sets up at the open end of master cylinder body 1 and is provided with sealed bottle neck 9, the one end of sealed bottle neck 9 is provided with dirt cover connection gum cover 6, the one end of dirt cover connection gum cover 6 is provided with integrative dustproof sheath 7, metal brake lever 8 and dirt receiving cylinder 10 are provided with in the metal brake lever 8 position department that the gum cover was connected to dirt cover 6 interlude and be located the inside of dirt cover connection gum cover 6, both ends of dirt receiving cylinder 10 all are provided with the dust rubber ring 11 that cuts that is connected with metal brake lever 8, the one end of two dust rubber rings 11 all is provided with toper dust removal sword ring 12, the edge of two toper dust removal sword rings 12 is the symmetric distribution.
In this embodiment, as shown in fig. 1, in order to facilitate the entry and exit of the hydraulic cylinder, a piston motion block 13 inside the main cylinder body 1 can reciprocate, both sides of the top end of the main cylinder body 1 are fixedly provided with a first oil inlet/outlet valve port 3 and a second oil inlet/outlet valve port 4, and oil blocking gaskets are arranged inside the first oil inlet/outlet valve port 3 and inside the second oil inlet/outlet valve port 4; wherein: the middle part at the top end of the main cylinder body 1 is provided with an oil-blocking connecting seat 5.
In this embodiment, as shown in fig. 2, in order to ensure a good braking effect, increase the reverse traction force during braking, avoid the phenomenon of bad braking during braking, the inside of the main cylinder body 1 is provided with an inner guide rod mounting seat 19, the middle of one end of the inner guide rod mounting seat 19 is provided with an inner guide connecting rod 16, the guide connecting rod 16 is slidably connected with the other end of the piston movement block 13, and the surface of the guide connecting rod 16 is provided with a plurality of barb-shaped blocking protrusions 17; an inner spring member 18 is fixedly mounted at one end of the inner guide rod mounting seat 19, and the inner spring member 18 is in contact connection with the piston movement block 13.
In this embodiment, as shown in fig. 2, in order to improve the tightness of the piston movement block 13 during the piston movement, a sealing apron 14 is provided at a groove at the front end of the piston movement block 13, a fitting stop ring 15 is provided at the front end of the sealing apron 14, and the fitting stop ring 15 is connected with a protrusion at the front end of the piston movement block 13.
The tractor brake master cylinder comprises a master cylinder body 1, a sealing end cover 2, a metal brake rod 8 and a piston motion block 13, wherein the piston motion block 13 is arranged inside the metal brake rod 8, one end of the piston motion block 13 is assembled and connected with the metal brake rod 8, a dustproof cover connecting rubber sleeve 6 is arranged at a sealing bottle neck 9 of the sealing end cover 2, one end of the dustproof cover connecting rubber sleeve 6 is provided with an integrated dustproof cover 7, the metal brake rod 8 is connected with the dustproof cover connecting rubber sleeve 6 in a penetrating way, a dust containing cylinder 10 is arranged at the position of the metal brake rod 8 inside the dustproof cover connecting rubber sleeve 6, dust cutting rubber rings 11 connected with the metal brake rod 8 are arranged at two ends of the dust containing cylinder 10, one ends of the two dust cutting rubber rings 11 are provided with conical dust removing cutter rings 12, and the two conical dust removing cutter rings 12 are symmetrically distributed at the cutting edges, so that when the metal brake rod 8 is retracted into the master cylinder body 1, the dust attached to the surface of the metal brake rod 8 can be removed, and the service life of the master cylinder body 1 can be effectively protected; and adopt the cover of dirt proof boot connection gum cover 6 to establish the connected mode, have good dismantlement effect, be convenient for take out dust receiver 10, cut to pieces dirt rubber ring 11, toper dust removal sword ring 12 isotructure and clear up.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a tractor braking master cylinder, includes master cylinder body (1), end cover (2), metal brake lever (8) and piston motion piece (13), its characterized in that, piston motion piece (13) set up in the inside of master cylinder body (1) and the one end and the metal brake lever (8) assembly connection of piston motion piece (13), end cover (2) welding sets up at the open end of master cylinder body (1) and is provided with sealed bottle neck (9), the one end of sealed bottle neck (9) is provided with dirt cover connection gum cover (6), the one end of dirt cover connection gum cover (6) is provided with dustproof sheath (7), metal brake lever (8) and dirt receiving drum (10) are provided with in the inside metal brake lever (8) position department of dirt cover connection gum cover (6), the both ends of dirt receiving drum (10) all are provided with and cut up dirt rubber ring (11) that are connected with metal brake lever (8), two the one end that cuts dirt ring (11) is provided with two the toper sword ring (12) that the toper of two is distributed to the sword.
2. The tractor brake master cylinder of claim 1, wherein: the two sides of the top end of the main cylinder body (1) are fixedly provided with a first oil inlet and outlet valve port (3) and a second oil inlet and outlet valve port (4), and oil blocking gaskets are arranged in the first oil inlet and outlet valve port (3) and the second oil inlet and outlet valve port (4).
3. The tractor brake master cylinder of claim 1, wherein: the inside of master cylinder body (1) is equipped with interior guide arm mount pad (19), the middle part of interior guide arm mount pad (19) one end is provided with interior guide connecting rod (16), guide connecting rod (16) and piston motion piece (13) other end sliding connection and the surface of guide connecting rod (16) are provided with a plurality of barb shape and block protruding (17).
4. The tractor brake master cylinder of claim 3, wherein: an inner spring member (18) is fixedly arranged at one end of the inner guide rod mounting seat (19), and the inner spring member (18) is in contact connection with the piston movement block (13).
5. The tractor brake master cylinder of claim 1, wherein: the sealing leather ring is characterized in that a sealing leather ring (14) is arranged at a groove at the front end of the piston moving block (13), a fitting baffle ring (15) is arranged at the front end of the sealing leather ring (14), and the fitting baffle ring (15) is in protruding connection with the front end of the piston moving block (13).
6. The tractor brake master cylinder of claim 1, wherein: the middle part at the top end of the main cylinder body (1) is provided with an oil resistance connecting seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323403225.5U CN221497965U (en) | 2023-12-14 | 2023-12-14 | Tractor brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323403225.5U CN221497965U (en) | 2023-12-14 | 2023-12-14 | Tractor brake master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221497965U true CN221497965U (en) | 2024-08-09 |
Family
ID=92131375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323403225.5U Active CN221497965U (en) | 2023-12-14 | 2023-12-14 | Tractor brake master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221497965U (en) |
-
2023
- 2023-12-14 CN CN202323403225.5U patent/CN221497965U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |