CN105197168B

CN105197168B - Adjustable hydraulic disc brake

Info

Publication number: CN105197168B
Application number: CN201410249776.7A
Authority: CN
Inventors: 张小红; 张羽
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-06-06
Filing date: 2014-06-06
Publication date: 2019-06-18
Anticipated expiration: 2034-06-06
Also published as: CN105197168A

Abstract

The invention discloses a kind of adjustable hydraulic disc brakes, including adjusting spiral shell (3), multi-functional piston (4), oil cylinder pipe (6), rear cover (10) and upper pump casing (12), adjusting between spiral shell (3) and multi-functional piston (4) is to be threadedly engaged；There is the through-hole for refueling and draining the oil among multi-functional piston (4)；One end of oil cylinder pipe (6) has internal screw thread to be threadedly engaged with connector (8)；There is the concave point on salient point and upper pump casing (12) to cooperate on rear cover (10)；Upper pump casing (12) squeezes type by Aluminum alloy tensile and is made, intermediate through hole installation oil cylinder pipe (6).Dual-seal circle is used in upper pump, improves leakproofness；The gap of friction plate and disc is adjusted using adjustable multi-functional piston, improves using effect；Lower pump piston is made using glass material, improves heat resistance.

Description

Adjustable hydraulic disc brake

Technical field

The present invention relates to oil pressure disk type brake used in bicycle, electric bicycle and motorcycle, abbreviation oil pressure Disc brake.

Background technique

Hydraulic disc brake is widely used in bicycle, electric bicycle and motorcycle, is the component of these vehicles indispensability, often at present Hydraulic disc brake is easy to produce following deficiency due to design structure and manufacture: first is that, the upper pump of hydraulic disc brake at present Easy oil leakage, the reason is that the upper pump of the hydraulic disc brake of open by design is there are two movable rubber seal, when work, the two are close Seal does not stop to move back and forth abrasion always, with external only every a simple O-ring seal or a trumpet type sealing ring, Such easy oil leakage.Second is that upper pump casing has an oil storage cup, oil storage cup has the more place that is in communication with the outside, and sealing is difficult to ensure. Third is that the gap of the friction plate and disc that pump under open hydraulic disc brake adjusts difficulty.Fourth is that lower pump piston is easily passed using steel The heat that friction plate and disc generate is led, rubber seal easy to damage is inadequate using bakelite intensity.

Summary of the invention

For defect existing for above-mentioned existing technology, the adjustable hydraulic disc brake of the present invention is designed to provide a kind of closing The hydraulic disc brake of formula oil circuit uses dual-seal circle in upper pump, improves leakproofness, prolongs the service life；Using adjustable more Function piston adjusts the gap between friction plate and disc, improves using effect；Lower pump piston is made using glass material, is mentioned High heat resistance.

It realizes the technical scheme is that such；This is a kind of adjustable hydraulic disc brake, comprising: handle, roller group Part adjusts spiral shell, multi-functional piston, exterior seal ring, inner seal ring, oil cylinder pipe, reset spring, connector, stopper, rear cover, upper pump Body, runner, oiling screw, housing, rear cancelling and lower pump piston have on handle a blind hole to install roll wheel assembly, there is pass through aperture Runner is installed；Roll wheel assembly one end is bolt other end band idler wheel, has a long axis on idler wheel；It adjusts between spiral shell and multi-functional piston It is to be threadedly engaged；Multifunction active is equipped with exterior seal ring and inner seal ring beyond the Great Wall, and there are the through-hole for refueling and draining the oil, through-hole in centre Outer end there is internal screw thread and oiling screw thread to cooperate；One end of oil cylinder pipe has internal screw thread to be threadedly engaged with connector, the other end It is stuck in the through-hole of upper pump casing with chimb；Part of the connector in oil cylinder pipe is cored screw, and hollow part accommodates reset spring, Outer end connects soft oil pipe；Stopper is mounted on upper pump casing, defines the going-back position for adjusting spiral shell；There is a through-hole in rear cover lower end, Connect by rear cancelling or screw with upper pump casing, after be stamped two side bumpers behind the long axis of roll wheel assembly, limit length The position of axis makes roll wheel assembly adjust spiral shell against close, has the concave point on salient point and upper pump casing to cooperate on the lid of rear cover, convenient for buckling With unload；Upper pump casing squeezes type by Aluminum alloy tensile and is made, in-between through hole installation oil cylinder pipe, and there be opening greatly for perforation in rear end Mouthful, convenient for the advance and retreat of roll wheel assembly；Housing is made of plastics or rubber, for beautifying protection oil cylinder pipe and upper pump casing；Lower pump is lived Plug use glass or use inorganic mineral for raw material, through melting, cooling, solidification, with the non-crystalline solids of random structure Production.

There is the shiny surface sliding contact of a shiny surface and roll wheel assembly in the position of handle close to roll wheel assembly, prevents roller group Part rotation.

Adjust the distance between spiral shell and the multi-functional piston adjustable, spiral shell or multifunctional rotary piston are adjusted in artificial rotation The position of advance and retreat of the multi-functional piston in oil cylinder pipe can be changed, adjusting spiral shell is nut form either bolt pattern, multi-functional Piston and the part for adjusting spiral shell to be threadedly engaged are nut form either bolt patterns.

Stopper acts only on the going-back position for stopping to adjust spiral shell, or using the screw crossed.

There is the sealing material of oil-leakage-prevention between connector and oil cylinder pipe.

The invention has the advantages that reducing the possibility of oil leak relative to the hydraulic disc brake generally used at present, improve Using effect reduces the trouble of consumer's working service, improves reliability.

Detailed description of the invention

Here is Detailed description of the invention:

Fig. 1 is the cross-sectional view in the face A-A of a specific embodiment of the adjustable hydraulic disc brake of the present invention.

Fig. 2 is the top view of a specific embodiment, and the position of A-A and B-B cross-sectional view is designated on figure.

Fig. 3 is the cross-sectional view in the face B-B an of specific embodiment.

Fig. 4 is the front view of a specific embodiment, wherein opening rear cover.

Fig. 5 and Fig. 6 is the exploded perspective figure of a specific embodiment.

Fig. 7 and Fig. 8 is the lower pump piston front view and perspective view of a specific embodiment.

Specific embodiment

Below with reference to implementing, the invention will be further described.

It is the cross-sectional view in the face A-A of a specific embodiment of the adjustable hydraulic disc brake of the present invention shown in Fig. 1, Be described as follows in conjunction with Fig. 2, Fig. 3 and Fig. 4: when manpower is held with a firm grip handle 1, handle 1 drives roll wheel assembly 2, when roll wheel assembly 2 is static just It is resisted against and adjusts behind spiral shell 3, passively roll wheel assembly 2, which just pushes, adjusts spiral shell 3 to be moved along, and adjusting between spiral shell 3 and multi-functional piston 4 is spiral shell Line cooperation, piston 4 multi-functional so just overcomes the resistance of reset spring 7 to enter toward the extruding of oil cylinder pipe 6, hydraulic in oil cylinder pipe 6 Oil is just extruded into lower pump body by soft oil pipe, and friction plate is pushed to squeeze disc, generates brake force.When manpower loosens, reset The screen resilience of the sealing element of the elastic force of spring 7 and lower pump makes all be restored to static state.

Fig. 5 and Fig. 6 is the exploded perspective figure of a specific embodiment.Following three points are illustrated from Fig. 5 and Fig. 6:

1. the angular adjustment of handle 1: handle 1 has a blind hole to install roll wheel assembly 2, and 2 one end of roll wheel assembly is that bolt is another Band idler wheel is held, has a long axis 2.1 on idler wheel, has pass through aperture that tapped runner 14 is installed, when finger rotating wheel 14 When, so that it may the displacement of roll wheel assembly 2, and then the angle of adjustable handle 1 are adjusted, convenient for being suitble to different human needs.? Hand 1 is connected by pivot pin 11 and upper pump casing 12.There is the light of a shiny surface Yu roll wheel assembly 2 in the position of handle 1 close to roll wheel assembly 2 Sliding surface sliding contact prevents roll wheel assembly 2 from rotating.

2. lower pump friction plate gap adjustment: the friction disc wear or oil mass pumped instantly reduces, so that it may after opening Lid 10 is rotated with hand and adjusts spiral shell 3, and multi-functional piston 4 is transferred in a bit, and suitable position is transferred in the gap of friction plate, then will after Lid 10 closes, and plays dust-proof and protective effect.

3. there are also two effects for rear cover 10: first is that, rear cover 10 has two side bumpers behind the long axis 2.1 of roll wheel assembly 2, The position of long axis 2.1 is limited, roll wheel assembly 2 is resisted against always and adjusts behind spiral shell 3.Second is that when handle 1 is by reversed outer Power easily damages, but in the present invention, and the reversed external force biggish by handle 1 of rear cover 10 will be opened, to protect Main component.There is a through-hole in 10 lower end of rear cover, is connect, is had on rear cover 10 convex with upper pump casing 12 by rear cancelling 17 or screw Point cooperates with the concave point on upper pump casing 12, convenient for buckling and unloading.

Number of parts of the present invention is less, and connector 8, multi-functional piston 4, adjusts the parts lists such as spiral shell 3, oil cylinder pipe 6 at upper pump casing 12 It is a all to have a variety of effects and unique function.

Part of the connector 8 in oil cylinder pipe 6 is cored screw, and hollow part accommodates reset spring 7, and outer end connects soft oil Pipe, there is the sealing material of oil-leakage-prevention between connector 8 and oil cylinder pipe 6.

Upper pump casing 12 squeezes type by Aluminum alloy tensile and is made, and in-between through hole installation oil cylinder pipe 6, there be the big of perforation in rear end Opening, convenient for the advance and retreat of roll wheel assembly 2.

5.1 inner seal ring 5.2 of exterior seal ring is housed, there is the through-hole for refueling and draining the oil in centre, leads on multi-functional piston 4 The outer end in hole has internal screw thread to be threadedly engaged with oiling screw 15.

Adjust the distance between spiral shell 3 and multi-functional piston 4 adjustable, artificial rotation adjusts spiral shell 3 or multifunctional rotary piston 4 all The position that advance and retreat of the multi-functional piston 4 in oil cylinder pipe 6 can be changed, adjusting spiral shell 3 is nut form either bolt pattern, multi-functional Piston 4 and the part for adjusting spiral shell 3 to be threadedly engaged are nut form either bolt patterns.

One end of oil cylinder pipe 6 has internal screw thread to be threadedly engaged with connector 8, and the other end is stuck in the through-hole of upper pump casing 12 with chimb It is interior.

Stopper 9 is mounted on the going-back position for defining on upper pump casing 12 and adjusting spiral shell 3, or using the screw crossed.

Housing 16 is made of plastics or rubber, for beautifying protection oil cylinder pipe 6 and upper pump casing 12.

Fixinig plate 13 in handlebar tube for installing pump.

Fig. 7 and Fig. 8 is the lower pump piston front view and perspective view of a specific embodiment.Lower pump piston 18 is in lower pump Part, greatly and the slow characteristic of thermal conductivity using glass material compression strength, lower pump piston 18 is using glass or the inorganic mine of use Object is raw material, is made through melting, cooling, solidification, the non-crystalline solids with random structure.

Claims

1. a kind of adjustable hydraulic disc brake, including handle (1), roll wheel assembly (2), tune spiral shell (3), multi-functional piston (4), external seal Enclose (5.1), inner seal ring (5.2), oil cylinder pipe (6), reset spring (7), connector (8), stopper (9), rear cover (10), upper pump Body (12), runner (14), oiling screw (15), housing (16), rear cancelling (17) and lower pump piston (18), it is characterised in that: institute The handle (1) stated has a blind hole to install roll wheel assembly (2), has pass through aperture to install runner (14)；The roll wheel assembly (2) one End is bolt other end band idler wheel, has a long axis (2.1) on idler wheel；It is between the tune spiral shell (3) and multi-functional piston (4) It is threadedly engaged；On the multi-functional piston (4) be equipped with exterior seal ring (5.1) inner seal ring (5.2), centre have one refuel and The through-hole drained the oil, the outer end of through-hole have internal screw thread to be threadedly engaged with oiling screw (15)；In one end of the oil cylinder pipe (6) has Screw thread is threadedly engaged with connector (8), and the other end is stuck in the through-hole of upper pump casing (12) with chimb；The connector (8) exists Part in oil cylinder pipe (6) is cored screw, and hollow part accommodates reset spring (7), and outer end connects soft oil pipe；The blocking Block (9) is mounted on the going-back position for defining on upper pump casing (12) and adjusting spiral shell (3)；There is a through-hole in described rear cover (10) lower end, leads to Later cancelling (17) or screw are connect with upper pump casing (12), and rear cover (10) has two side bumpers in the long axis of roll wheel assembly (2) (2.1) behind, the position of long axis (2.1) is limited, so that roll wheel assembly (2) is adjusted spiral shell (3) against close, rear cover has salient point on (10) Cooperate with the concave point on upper pump casing (12), convenient for buckling and unloading；The upper pump casing (12) squeezes type by Aluminum alloy tensile and is made, There are the big opening of perforation in in-between through hole installation oil cylinder pipe (6), rear end, are convenient for the advance and retreat of roll wheel assembly (2)；Described is outer Set (16) is made of plastics or rubber, for beautifying protection oil cylinder pipe (6) and upper pump casing (12)；The lower pump piston (18) is adopted It with glass or uses inorganic mineral for raw material, is made through melting, cooling, solidification, the non-crystalline solids with random structure.

2. adjustable hydraulic disc brake according to claim 1, it is characterised in that: the handle (1) is close to roll wheel assembly (2) there is the shiny surface sliding contact of a shiny surface Yu roll wheel assembly (2) in position, prevents roll wheel assembly (2) from rotating.

3. adjustable hydraulic disc brake according to claim 1, it is characterised in that: the tune spiral shell (3) and more function The distance between energy piston (4) is adjustable, and it is multi-functional that artificial rotation adjusts spiral shell (3) or multifunctional rotary piston (4) that can change The position of advance and retreat of the piston (4) in oil cylinder pipe (6), adjusting spiral shell (3) is nut form either bolt pattern, multi-functional piston (4) and to adjust spiral shell (3) part for being threadedly engaged be nut form either bolt pattern.

4. adjustable hydraulic disc brake according to claim 1, it is characterised in that: the stopper (9) acts only on resistance Gear adjusts the going-back position of spiral shell (3), or using the screw crossed.

5. adjustable hydraulic disc brake according to claim 1, it is characterised in that: the connector (8) and oil cylinder pipe (6) Between have the sealing material of oil-leakage-prevention.