CN221163183U

CN221163183U - Novel tricycle brake can dismantle bearing transmission brake axle

Info

Publication number: CN221163183U
Application number: CN202323569900.1U
Authority: CN
Inventors: 张世宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-06-18
Anticipated expiration: 2033-12-27

Abstract

The utility model relates to a novel tricycle brake detachable bearing transmission brake shaft, which aims to solve the technical problem that the gap is large and brake is easy to occur in the rotation process of a current brake transmission shaft, and the brake transmission shaft is easy to cause inflexibility in braking.

Description

Novel tricycle brake can dismantle bearing transmission brake axle

Technical Field

The utility model relates to the technical field of tricycle brake shafts, in particular to a novel tricycle brake detachable bearing transmission brake shaft.

Background

The tricycle is a combination of a rickshaw and a bicycle, and can be divided into a human tricycle, an electric tricycle, a child tricycle, a battery tricycle and the like. The tricycle is divided into a front part and a rear part, the front part is provided with a steerable wheel, a handlebar, a bell, a brake, pedals and a saddle, the rear part is driven to rotate by a chain,

The drum brake is a brake device which uses a static brake block in a brake drum to rub the brake drum rotating along with the wheel so as to generate friction force to reduce the rotation speed of the wheel.

At present, a brake shaft support of a three-wheel technology adopts a steel plate to punch as a support, a brake transmission shaft is large in gap in the rotating process, the situation that the brake is inflexible due to the brake gap is easy to occur, a brake rocker arm of the current tricycle is welded on the brake transmission shaft, the brake shaft is not concentric due to heat of welding, the brake shaft rotates to be non-concentric, the situation that the brake rocker arm is eccentric when braking is easy to occur, and the brake rocker arm is welded and fixed with the brake transmission shaft, when the rocker arm is damaged, the brake rocker arm cannot be detached and replaced, the whole group of brake transmission shafts can be replaced, so that the resource waste is caused, and the brake shaft is very inconvenient.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a novel tricycle brake detachable bearing transmission brake shaft so as to solve the technical problems that the gap is large in the rotation process of the current brake transmission shaft, and the brake gap is easy to appear to cause inflexibility in braking.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the design of the novel tricycle brake detachable bearing transmission brake shaft comprises brake transmission shafts with concentric assemblies symmetrically arranged on the outer edge surface;

The concentric assembly comprises a bearing seat with a hollow structure inside, an inner shaft ring is arranged at the axis position of the bearing seat, a bearing body is arranged between the outer edge surface of the inner shaft and the inner edge surface of the bearing seat, the inner shaft ring is sleeved on the outer edge surface of the brake transmission shaft, a trapezoid positioning groove is formed in the inner edge surface of the inner shaft ring in an annular array mode, a positioning block is arranged at the position, corresponding to the concentric assembly, of the outer edge surface of the brake transmission shaft in an annular array mode, the positioning block can be positioned and inserted into the positioning groove, a fixing plate is connected with one end structure of the bearing seat, and fixing holes are symmetrically formed in the fixing plate.

Preferably, both ends of the brake transmission shaft are detachably provided with driven rocker arm assemblies, each driven rocker arm assembly comprises a driven brake rocker arm with a sleeve formed at one side end, each sleeve is of a hollow structure, the sleeve is detachably sleeved at the end of the brake transmission shaft, a thread groove is formed in the inner edge surface of each sleeve, and thread parts connected with the thread grooves in an adapting mode are formed in the outer edge surfaces of both ends of the brake transmission shaft.

Preferably, the screw thread slotted hole has all been seted up in the middle at the both ends of brake transmission shaft, driven brake rocking arm is provided with fixing bolt one for telescopic opposite side, fixing bolt one's one end can spiral pass driven brake rocking arm and screw in screw thread slotted hole, driven brake rocking arm has seted up connecting hole one in the middle for telescopic other end, one of them driven brake rocking arm's bottom structure is provided with the auxiliary rocker arm, detachable movable mounting has the acting as go-between in the auxiliary rocker arm, the one end that the auxiliary rocker arm was kept away from to the acting as go-between can be dismantled swing joint and have the movable pulley.

Preferably, the outer edge surface of the brake transmission shaft is detachably provided with an active rocker arm assembly, the position, corresponding to the active rocker arm assembly, inside the brake transmission shaft is provided with a threaded hole, the active rocker arm assembly comprises an active brake rocker arm, one side end part of the active rocker arm is provided with a lantern ring, the lantern ring is of a hollow structure which can be sleeved on the outer edge surface of the brake transmission shaft, and rib plates connected with the active brake rocker arm are symmetrically arranged on the outer edge surface of the lantern ring.

Preferably, a second fixing bolt is arranged on the outer edge surface of the lantern ring, one end of the second fixing bolt can be screwed into the threaded hole and screwed out from the other side of the outer edge surface of the lantern ring, a nut is arranged on the outer edge surface of one end of the second fixing bolt screwed out of the lantern ring in a threaded fit manner, and a second connecting hole is formed in the center of the active brake rocker arm relative to the other end of the lantern ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through setting up concentric subassembly, brake transmission shaft inserts in interior axiss to take place relative rotation through bearing body and bearing frame, compare in traditional steel sheet support that punches can not exist great gap at pivoted in-process, thereby make brake transmission shaft's rotation more stable, thereby the condition that the clearance brake of having reduced to stop is inflexible appears, and because brake transmission shaft is pegged graft with the constant head tank through the screw hole and is fixed a position in being connected of interior axiss, it can establish the connection between brake transmission shaft and interior pedestal, further overcome traditional steel sheet support that punches and had the problem of gap in rotatory in-process, thereby further promote brake transmission shaft's stability in rotatory in-process.

2. Through setting up brake transmission shaft, screw thread portion, the sleeve, fixing bolt one and thread groove, realize the installation in brake transmission shaft to driven rocking arm subassembly through fixing bolt one with the cooperation of thread groove hole, thereby the installation and the dismantlement through fixing bolt one can realize the dismouting in brake transmission shaft to driven rocking arm subassembly, conveniently dismantle the change after the rocking arm damages, and screw thread portion screw thread assembly is in the thread groove equally when installing driven rocking arm subassembly, screw thread portion screw thread cooperation and fixing bolt one with the thread groove and screw thread cooperation of thread groove, realize dual screw thread fastening when driven rocking arm subassembly and brake transmission shaft are connected, can increase connection stability, and the screw thread portion on the brake transmission shaft outer fringe face can strengthen the structural strength of its tip, dual screw thread fastening structure's setting can make brake transmission shaft and driven rocking arm subassembly in rotatory in-process synchronism reinforcing, thereby the condition that the off-set stops has been reduced appears.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the brake drive shaft and driving rocker arm assembly, concentric assembly and driven rocker arm assembly of the present utility model;

FIG. 3 is a schematic illustration of the construction of a primary rocker arm assembly of the present utility model;

FIG. 4 is a schematic view of the concentric assembly of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

In the figure: 1. a brake transmission shaft; 2. a threaded portion; 3. driven brake rocker arm; 4. a first connecting hole; 5. a sleeve; 6. a first fixing bolt; 7. a thread groove; 8. a threaded hole; 9. a positioning block; 10. an active rocker arm assembly; 1001. an active brake rocker arm; 1002. a second connecting hole; 1003. a collar; 1004. rib plates; 1005. a second fixing bolt; 1006. a nut; 11. a concentric assembly; 1101. a bearing seat; 1102. a fixing plate; 1103. a fixing hole; 1104. a bearing body; 1105. an inner collar; 1106. a positioning groove; 12. an auxiliary rocker arm; 13. a pull wire; 14. a movable pulley.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

Example 1: referring to fig. 1, 2 and 4, a novel tricycle brake detachable bearing transmission brake shaft comprises a brake transmission shaft 1, wherein concentric assemblies 11 are symmetrically arranged on the outer edge surface of the brake transmission shaft, each concentric assembly 11 comprises a bearing seat 1101 with a hollow structure, an inner shaft 1105 is arranged at the axial center position of each bearing seat 1101, a bearing body 1104 is arranged between the outer edge surface of each inner shaft 1105 and the inner edge surface of each bearing seat 1101, each inner shaft 1105 is sleeved on the outer edge surface of the corresponding brake transmission shaft 1, a trapezoid positioning groove 1106 is formed in the inner edge surface of each inner shaft 1105 in an annular array mode, a positioning block 9 is arranged at the position, corresponding to each concentric assembly 11, of the outer edge surface of the corresponding brake transmission shaft 1 in an annular array mode, each positioning block 9 can be positioned, inserted and installed in each positioning groove 1106, one end structure of each bearing seat 1101 is connected with a fixing plate 1102, and fixing holes 1103 are symmetrically formed in each fixing plate 1102.

For the convenience to the dismouting of brake transmission shaft 1 and driven rocker arm subassembly, see fig. 1, fig. 2 and fig. 5, the equal demountable installation in both ends of brake transmission shaft 1 has driven rocker arm subassembly, driven rocker arm subassembly includes that one side tip structure has the driven brake rocker arm 3 of sleeve 5, sleeve 5 is hollow structure, and sleeve 5 can dismantle the cover and locate the tip of brake transmission shaft 1, threaded groove 7 has been seted up on the interior marginal face of sleeve 5, all be constructed with the screw thread portion 2 of being connected with the adaptation of threaded groove 7 on the outer fringe face of the both ends of brake transmission shaft 1, the screw thread slotted hole has all been seted up between two ends of brake transmission shaft 1, driven brake rocker arm 3 is provided with fixing bolt one 6 for the opposite side of sleeve 5, fixing bolt one end can spiral pass driven brake rocker arm 3 and spiral screw in the screw thread slotted hole, one of which the bottom structure of driven brake rocker arm 3 is provided with auxiliary rocker arm 12 for the other end centering of sleeve 5, detachable movable mounting has pull wire 13 in auxiliary rocker arm 12, pull wire 13 keeps away from the one end of auxiliary rocker arm 12 and can dismantle movable connection has movable pulley 14, when tricycle manual brake pulley 1 is resided in, when the manual brake pulley is used for the pulling, and the manual brake pulley 14 is used for realizing that the manual brake is more power is convenient to take turns to be pulled to the manual brake, and is used for realizing the manual brake power is more to the manual brake pulley 14 when the manual brake is used for the manual brake is pulled and is convenient to be pulled and more power to the manual brake 1.

Referring to fig. 1-3, an active rocker arm assembly 10 is detachably arranged on the outer edge surface of the brake transmission shaft 1, a threaded hole 8 is formed in the brake transmission shaft 1 corresponding to the active rocker arm assembly 10, the active rocker arm assembly 10 comprises an active brake rocker arm 1001 with a sleeve ring 1003 constructed at one side end, the sleeve ring 1003 is of a hollow structure which can be sleeved on the outer edge surface of the brake transmission shaft 1, rib plates 1004 connected with the active brake rocker arm 1001 in a constructed mode are symmetrically constructed on the outer edge surface of the sleeve ring 1003, a fixing bolt two 1005 is arranged on the outer edge surface of the sleeve ring 1003, one end of the fixing bolt two 1005 can be screwed into the threaded hole 8 and screwed out from the other side of the outer edge surface of the sleeve ring 1003, a nut 1006 is mounted on the outer edge surface of one end of the fixing bolt two 1005 screwed out of the sleeve ring 1003 in a threaded fit mode, and a connecting hole two 1002 is formed in the middle of the active brake rocker arm 1001 corresponding to the other end of the sleeve ring 1003. The concentric assembly 11 is arranged, so that the technical problem that the gap is large in the rotation process of the current brake transmission shaft 1, and brake is inflexible due to the fact that the brake gap is easy to occur is solved.

Working principle: when the brake rocker 1001 is used, the active brake rocker 1001 is sleeved on the outer edge surface of the brake transmission shaft 1, the fixing bolt II 1005 is screwed into the threaded hole 8 and screwed out from the other side of the outer edge surface of the sleeve ring 1003, the nut 1006 is screwed and fixed on the outer edge surface of the end part of the fixing bolt II 1005, the positioning block 9 is welded on the outer edge surface of the brake transmission shaft 1, the concentric assembly 11 is sleeved on the outer edge surface of the brake transmission shaft 1, the positioning block 9 is positioned and inserted into the positioning groove 1106 of the inner shaft ring 1105, the threaded parts 2 are turned on the outer edge surfaces of the two ends of the brake transmission shaft 1, the sleeve 5 is sleeved on the end part of the brake transmission shaft 1, the threaded parts 2 are in threaded connection with the threaded grooves 7, one end of the fixing bolt I6 is screwed into the threaded slotted hole formed in the end part of the brake transmission shaft 1, and therefore the brake transmission shaft 1 and the driven rocker assembly can be mounted.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. The utility model provides a novel tricycle brake detachable bearing transmission brake shaft which is characterized in that the novel tricycle brake detachable bearing transmission brake shaft comprises a brake transmission shaft (1) with concentric assemblies (11) symmetrically arranged on the outer edge surface;

The concentric assembly (11) comprises a bearing seat (1101) with a hollow structure, an inner shaft collar (1105) is arranged at the axis position of the bearing seat (1101), a bearing body (1104) is arranged between the outer edge surface of the inner shaft collar (1105) and the inner edge surface of the bearing seat (1101), the inner shaft collar (1105) is sleeved on the outer edge surface of the brake transmission shaft (1), positioning grooves (1106) which are trapezoid are formed in the inner edge surface of the inner shaft collar (1105) in an annular array mode, positioning blocks (9) are arranged at positions, corresponding to the concentric assembly (11), of the outer edge surface of the brake transmission shaft (1) in an annular array mode, the positioning blocks (9) can be positioned, inserted and installed in the positioning grooves (1106), one end of the bearing seat (1101) is connected with a fixing plate (1102), and fixing holes (1103) are symmetrically formed in the fixing plate (1102).

2. The novel tricycle brake detachable bearing transmission brake shaft according to claim 1, wherein the two ends of the brake transmission shaft (1) are detachably provided with driven rocker arm assemblies, each driven rocker arm assembly comprises a driven brake rocker arm (3) with a sleeve (5) formed at one side end part, the sleeve (5) is of a hollow structure, the sleeve (5) is detachably sleeved at the end part of the brake transmission shaft (1), a threaded groove (7) is formed in the inner edge surface of the sleeve (5), and threaded parts (2) which are connected with the threaded groove (7) in an adapting mode are formed in the outer edge surfaces of the two ends of the brake transmission shaft (1).

3. The novel tricycle brake detachable bearing transmission brake shaft according to claim 2, wherein threaded slots are formed in two ends of the brake transmission shaft (1) in the middle, a first fixing bolt (6) is arranged on the other side of the driven brake rocker arm (3) opposite to the sleeve (5), one end of the first fixing bolt (6) can penetrate through the driven brake rocker arm (3) in a threaded slot in a threaded mode, a first connecting hole (4) is formed in the driven brake rocker arm (3) in the middle opposite to the other end of the sleeve (5), an auxiliary rocker arm (12) is arranged on the bottom structure of one driven brake rocker arm (3), a pull wire (13) is detachably and movably installed in the auxiliary rocker arm (12), and a movable pulley (14) is detachably and movably connected to one end, far away from the auxiliary rocker arm (12), of the pull wire (13).

4. The transmission brake shaft of the novel tricycle brake detachable bearing is characterized in that an active rocker arm assembly (10) is detachably arranged on the outer edge surface of the brake transmission shaft (1), a threaded hole (8) is formed in the brake transmission shaft (1) corresponding to the active rocker arm assembly (10), the active rocker arm assembly (10) comprises an active brake rocker arm (1001) with a sleeve ring (1003) at one side end part, the sleeve ring (1003) is of a hollow structure which can be sleeved on the outer edge surface of the brake transmission shaft (1), and rib plates (1004) connected with the active brake rocker arm (1001) in a structure are symmetrically formed on the outer edge surface of the sleeve ring (1003).

5. The transmission brake shaft of the detachable bearing for the novel tricycle brake according to claim 4, wherein a second fixing bolt (1005) is arranged on the outer edge surface of the sleeve ring (1003), one end of the second fixing bolt (1005) can be screwed into the threaded hole (8) and screwed out from the other side of the outer edge surface of the sleeve ring (1003), a nut (1006) is arranged on the outer edge surface of one end of the sleeve ring (1003) of the second fixing bolt (1005) in a threaded fit manner, and a second connecting hole (1002) is formed in the center of the active brake rocker arm (1001) relative to the other end of the sleeve ring (1003).