CN211995819U - Foot brake control structure - Google Patents

Abstract

The utility model discloses a service brake control structure, including footboard fixing base, footboard, brake cable and footboard bottom, the footboard is articulated with the footboard fixing base, be provided with release element between footboard and the footboard bottom, the last limit structure that is provided with of release element, limit structure inserts and locates on the footboard fixing base. The utility model discloses utilize the cooperation relation between limit structure on the release element and the footboard fixing base to realize the quick control of service brake.

Description

Foot brake control structure

Technical Field

The utility model relates to a brake structure especially relates to a service brake control structure.

Background

The foot brake is mainly used on the rear wheel, and the tightness state of the brake cable is adjusted by the foot brake, so that the motion state of the wheel is controlled. The foot brake in the prior art adopts two braking parts to control the rear wheel, the wheels on two sides need to be controlled in the using process, the operation is inconvenient, and meanwhile, the pedal needs to be lifted upwards by the instep when the foot brake is released, and the instep is easy to wear in the operation process.

For example, a "baby stroller rear wheel foot brake mechanism" disclosed in chinese patent literature, whose publication No. CN2673759 includes an axle tube, an axle fixing member, a brake rod, a wheel seat, and brake teeth, and is characterized in that the axle fixing member is disposed in the middle of the axle tube, the wheel seat and the brake teeth are disposed at two ends of the axle tube, and the brake rod is disposed at the lower portion of the axle tube and symmetrically installed: the axle mounting axial is equipped with the through-hole, and axle mounting both ends and through-hole lower part are equipped with another through-hole, and axle mounting middle part both ends are the concave station, and week mounting surface is equipped with brake pedal, is equipped with knurling tooth, two springs and sleeve pipe on the brake lever, is equipped with the stopcock on the sleeve pipe, the brake tooth is the circle form, and the center is the round hole, and the center outwards is equipped with the several aperture. When the brake is needed, the brake pedal is stepped and force is exerted backwards, so that the pipe plug pushes the spring and the brake rod, the brake rod is forced to enter the small hole on the brake tooth, and the wheel is braked. The foot brake adopting the structure is convenient to operate, but the abrasion consumption among parts in the braking process is large, and the foot brake cannot be used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the inconvenient problem of prior art's service brake operation, provide a service brake control structure, quick convenient realization is to the control of service brake.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a service brake control structure, includes footboard fixing base, footboard, brake cable and footboard bottom, the footboard is articulated with the footboard fixing base, be provided with the release element between footboard and the footboard bottom, be provided with limit structure on the release element, limit structure inserts and locates on the footboard fixing base.

The foot brake control structure comprises a pedal fixing seat, a pedal, a brake cable and a pedal bottom cover fixed on the pedal, wherein the pedal is hinged to the pedal fixing seat, the brake control on the foot brake is realized by the pedal in the using process, and meanwhile, the movable range and the mounting position of the foot brake are limited by the pedal fixing seat. The state of the brake cable is changed by the angle and the position of the pedal, so that the brake is controlled by the foot brake. A release element is arranged between the pedal and the pedal base, and under the condition that the brake is locked, the brake cable can be loosened by using the release element to release the brake state. Meanwhile, the position of the pedal is limited by the matching of the releasing element and the pedal fixing seat when the brake is locked, so that the pedal is prevented from resetting. The release element is provided with a limiting structure, meanwhile, the limiting structure is inserted on the pedal fixing seat, and the locking and the releasing of the brake are realized by utilizing the matching relationship between the limiting structure and the pedal fixing seat.

Preferably, the release element is provided with a limiting member and a moving member, the limiting member is connected with the moving member through a connecting member, and the limiting structure is arranged on the limiting member. The release element is provided with a limiting piece and a moving piece, and the state of the pedal is changed by utilizing the matching relationship between the limiting piece and the pedal fixing seat. The movable part can drive the limiting part to move under the dead locking state of the foot brake, so that the position between the limiting part and the pedal fixing seat is changed, the foot brake is loosened, and the frame moves normally. Meanwhile, a connecting piece is arranged between the limiting piece and the moving piece, the fixing piece is connected with the moving piece through the connecting piece, and the limiting piece is driven to move while the moving piece is moved. The limiting part is provided with a limiting structure, and the limiting structure is used for limiting the installation position between the release element and the pedal fixing seat.

Preferably, the shape of the limiting part is matched with the inner wall of the pedal fixing seat, and the limiting structure is arranged on the matching side of the limiting part and the pedal fixing seat. The shape of the limiting part is matched with the inner wall of the pedal fixing seat, so that the limiting part can move in the pedal fixing seat conveniently, and the limiting part and the pedal fixing seat are prevented from being staggered in the moving process. The limiting structure is arranged on the matching side of the limiting part and the pedal fixing seat. The position limiting structure can be further arranged in a mode of national policy, so that the position limiting structure can be in contact with the pedal fixing seat, and the position limiting effect is achieved.

Preferably, the movable piece is provided with a spring plug-in unit, and the spring plug-in unit and the connecting piece are located on the same side. The moving part is provided with a spring plug-in unit, and the spring plug-in unit and the connecting piece are positioned on the same side. The release element is in contact with the pedal by utilizing the spring plug-in unit, meanwhile, when the foot brake is started, the movable part is pressed down, the release element moves along with the length direction of the connecting piece, the elastic element on the spring plug-in unit is extruded, and the limiting structure is separated from the pedal fixing seat to be in contact with a brake state. After the movable piece is loosened, the release element automatically resets under the action of the elastic element, and the foot brake is in an open state.

Preferably, the inner wall of the pedal fixing seat is of an arc-shaped structure, and the inner wall of the pedal fixing seat is provided with a limiting bulge. The inner wall of the pedal fixing seat is of an arc-shaped structure, so that the release element can rotate relatively in the pedal fixing seat conveniently. Meanwhile, a limiting bulge is arranged in the pedal fixing seat, and the control of the foot brake is realized by utilizing the position relation and the matching relation between the limiting bulge and the limiting part on the release element.

Preferably, the pedal is connected with the release element through an elastic element. The pedal is connected with the release element through an elastic element, and the elastic element is arranged on the elastic plug-in unit. In the braking process, the pedal is understood, the release element is driven to rotate by the movement of the pedal, the limit structure on the release element is in contact with the limit protrusion on the inner wall of the pedal fixing seat, the release element moves along the direction of the connecting piece, the elastic element is compressed, and the limit structure is clamped behind the limit protrusion to achieve the braking effect. When the starting state, press the moving part on the release element, elastic element receives the compression, and joint spare structure breaks away from the joint saliva and abandons, loosens the moving part mouth, and limit structure breaks away from spacing arch, and at elastic element's action line, release element automatic re-setting.

Preferably, both ends of the pedal are provided with a brake groove and a connecting groove, the brake cable is provided with a connecting end, the connecting end of the brake cable is inserted into the connecting groove, and the brake cable is arranged in the brake groove. The two ends of the pedal are respectively provided with a brake groove and a connecting groove, the brake wire is provided with a connecting end, the connecting end is arranged in the connecting groove, and the brake wire is arranged in the brake groove. The brake cable is connected with the pedal by matching the connecting groove and the connecting end. Meanwhile, the brake groove is formed in the pedal, so that the brake cable can be conveniently placed in a guide manner in the braking process. In the braking process, the brake cable rotates along with the pedal, and the brake cable is pulled in, so that the braking effect is realized. Brake cables and brake grooves are arranged at two ends of the pedal, two brake cables can be connected to the two ends of the pedal, and wheels on two sides can be controlled on the same pedal.

Preferably, set up the brake wire casing on the footboard fixing base, the brake cable sets up in the brake wire casing, set up in the fixed slot on the footboard fixing base, the fixed pipe of foot brake is equipped with in the fixed slot interpolation, the fixed slot sets up in footboard fixing base length direction. The brake cable fixing seat is provided with a brake cable groove, the brake cable is arranged in the brake cable groove, the brake cable is fixed by the pedal fixing seat, the brake cable is prevented from being separated from the brake groove in the using process, and meanwhile, the brake cable is connected with an external wheel after penetrating through the brake cable groove. Be provided with the fixed slot on the footboard fixing base, the fixed slot sets up in the length direction of footboard fixing base, and is equipped with the fixed pipe of service brake in the fixed slot interpolation. Utilize the fixed pipe of service brake to play the fixed action to the footboard fixing base, simultaneously, on the footboard was inserted and is located the fixed pipe of service brake, the footboard can take place to rotate relative to the service brake.

Therefore, the utility model discloses following beneficial effect has: (1) the tightness of the brake cable is adjusted by utilizing the position relation between the limiting structure on the releasing element and the limiting bulge on the pedal fixing seat, and the locking and the unlocking of the brake are realized by utilizing the matching of the limiting structure and the limiting bulge; (2) brake cables are arranged at two ends of the pedal, and the working states of wheels at two sides are controlled simultaneously by utilizing the two brake cables; (3) the brake is easily and conveniently controlled by adjusting the movable parts on the pedal and the release element.

Drawings

Fig. 1 is an explosion diagram of the service brake control structure of the present invention.

Fig. 2 is a schematic structural diagram of the release element of the present invention.

Fig. 3 is a cross-sectional view of a release element of the present invention.

Fig. 4 is a schematic view of the pedal structure of the present invention.

Fig. 5 is a schematic view of the pedal fixing base of the present invention.

Fig. 6 is a cross-sectional view of the starting state of the present invention.

Fig. 7 is another sectional view of the starting state of the present invention.

Fig. 8 is a cross-sectional view of the braking state of the present invention.

Fig. 9 is another sectional view of the braking state of the present invention.

Fig. 10 is a schematic view of an application structure of the present invention.

In the figure: 1. the brake pedal comprises a pedal fixing seat 11, an accommodating groove 12, a movable groove 13, a limiting protrusion 14, a limiting groove 15, a brake line groove 2, a pedal 21, a control panel 22, a brake structure 221, a connecting groove 222, a brake groove 23, an installing groove 3, a release element 31, a limiting part 311, a limiting structure 32, a movable part 321, a spring insert 33, a connecting part 4, a pedal bottom cover 5, a brake line 51, a connecting end 6 and a foot brake fixing tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, a service brake control structure comprises a pedal fixing seat 1, a pedal 2 and a brake cable 5. Insert footboard 2 and footboard fixing base 1 and locate on the fixed pipe 6 of service brake, and footboard fixing base 1 carries out fixed connection through the fastener with the fixed pipe 6 of service brake, and articulated between footboard fixing base 1 and the footboard 2 can take place relative rotation. Meanwhile, the brake cables 5 are arranged at two ends of the pedal 2, and the brake cables 5 penetrate through the fixed pedal 2 to be connected with the outside. A release element 3 is connected to the pedal 2, and the control state of the foot brake is adjusted by the release element 3.

As shown in fig. 2 and 3, the releasing element 3 includes a limiting member 31, a movable member 32 and a connecting member 33, the limiting member 31 is connected to the movable member 32 through the connecting member 33, a spring plug 321 is disposed on the movable member 32, the spring plug 321 is located on the same side as the connecting member 33, and the spring plug 321 is parallel to the connecting member 33. The limiting member 31 is an arc-shaped structure, a limiting structure 311 is disposed on an outer wall of the limiting member 31, and the limiting structure 311 is a conical protrusion. The limiting member 31 and the connecting member 33 are connected by an acute angle. At both ends of the connecting piece 33, mounting blocks are provided, by means of which a positioning mounting during mounting of the pedal 2 and the release element 3 is facilitated.

As shown in fig. 4, the pedal 2 includes a control plate 21 and a brake structure 22, the brake structure 22 is an elongated tubular structure, and the control plate 21 is disposed in the length direction of the brake structure 22. The control panel 21 is provided with a strip-shaped bulge, so that the anti-skidding effect is achieved in the treading process. A step bottom cover 4 is provided on the step 2, and a mounting groove 23 for mounting the release member 3 is provided between the step bottom cover 4 and the step 2. Both ends of the brake structure 22 are provided with a brake groove 222 and a connection groove 221, the connection groove 221 is disposed in the axial direction of the brake structure 22, the brake groove 222 is disposed in the circumferential direction of the brake structure 22, and the connection groove 221 contacts with the brake groove 222. A connecting end 51 is provided at an end of the brake cable 5, the connecting end 51 is inserted into the connecting groove 221, and the brake cable 5 is disposed in the brake groove 222. Brake cables 5 are arranged at two ends of the pedal 2, and the brake cables 5 on two sides are utilized to control wheels on two sides on one foot brake. Meanwhile, the brake structure 22 is a long-strip-shaped tubular structure, the foot brake fixing tube 6 is inserted into the brake structure 22 in the installation process, and the brake structure 22 can rotate relative to the foot brake fixing tube 6. The pedal 2 is provided with a baffle plate, and the baffle plate is in contact with a spring sleeved on the spring plug-in 321.

As shown in fig. 5, the pedal fixing seat 1 is provided with a receiving groove 11 for mounting the pedal 2, and the pedal fixing seat 1 is provided with a limiting protrusion 13, the limiting protrusion 13 is disposed in the length direction of the pedal fixing seat 1, and the limiting protrusion 13 is in a long strip shape. A limit groove 14 is arranged between the limit protrusion 13 and the pedal fixing seat 1 body, and the control of the foot brake is realized by utilizing the position relation among the limit groove 14, the limit protrusion 13 and the limit structure 311 on the release element 3. Be provided with movable groove 12 on footboard fixing base 1, set up the brake structure 22 of footboard 2 in footboard fixing base 1, control panel 21 sets up outside footboard fixing base 1 through movable groove 12, simultaneously, in the brake control process, when taking place relative rotation between footboard 2 and the footboard fixing base 1, control panel 21 can move in movable groove 12, simultaneously, utilizes the home range of size restriction control panel 21 of movable groove 12. The pedal fixing seat 1 is provided with a brake wire slot 15, and the brake wire 5 arranged in the pedal fixing seat 1 penetrates through the brake wire slot 15 and then is connected with the outside. Simultaneously, be provided with fixed knot at 1 both ends of footboard fixing base and construct, the fixed pipe 6 of service brake is inserted and is located fixed knot and construct, simultaneously, utilizes the through-hole on fixed pipe 6 of fixed knot structure and service brake to fix both, prevents the axial or the circumferential motion of footboard fixing base 1 along the fixed pipe 6 of service brake in the use.

As shown in fig. 6 and 7, when the control plate 21 on the pedal 2 is depressed after braking, the pedal 2 rotates clockwise relative to the pedal holder 1 without moving the pedal holder 1. The rotation of the pedal 2 causes the rotation of the release element 3 mounted on the pedal 2. When the releasing element 3 rotates, the limiting structure 311 on the limiting member 31 contacts the limiting protrusion 13 on the pedal fixing seat 1, and when the limiting protrusion 13 moves relative to the limiting structure 311, the relative position between the pedal 2 and the releasing element 3 changes due to the effect of the limiting protrusion 13, and the spring on the spring insert 321 is compressed. When the limiting structure 311 is completely arranged in the limiting groove 14, the foot brake is released, the pedal 2 stops moving, and the releasing element 3 is reset under the action of the spring. The locking effect on the foot brake is realized. During the process of stepping on the control board 21, the rotation of the control board 21 drives the rotation of the brake structure 22. The brake structure 22 drives the brake cable 5 to rotate during the rotation process, and the brake cable 5 is tensioned during the rotation process, thereby realizing the braking effect. The tensioning of the brake cable 5 achieves the braking effect, and meanwhile, the limiting structure 311 is arranged in the limiting groove 14, so that the locking effect is achieved, and the braking effect is guaranteed to be still achieved after the control plate 21 is loosened.

As shown in fig. 8 and 9, in the service brake locking state, the limiting structure 311 on the releasing element 3 is disposed in the limiting groove 14. The movable member 32 of the release element 3 is pressed by the toe of the foot, the spring of the spring plug 321 is compressed under the action of the pressure, the limit structure 311 is separated from the limit groove 14, and the limit structure 311 is contacted with the limit protrusion 13. After the movable member 32 is released, the releasing element 3 is reset under the elastic action of the spring, and the limit structure 311 and the limit protrusion 13 rotate counterclockwise. Meanwhile, due to the size limitation of the movable groove 12, the pedal 2 stops moving after being blocked by the movable groove 12 after rotating to the initial position. The rotation of the releasing element 3 drives the pedal 2 to rotate, so that the brake cable 5 connected to the pedal 2 is loosened, the brake stops working, and the vehicle can normally run.

As shown in FIG. 10, a release element 3 is disposed between the pedal 2 and the pedal bottom cover 4, a movable member 32 on the release element 3 is disposed outside the pedal 2, and the pedal 2 and the pedal bottom cover 4 are connected by a fastener. A service brake fixing tube 6 is inserted on the brake structure 22 of the pedal 2. Meanwhile, a pedal fixing seat 1 is arranged outside the pedal 2, the pedal fixing seat 1 is inserted into the foot brake fixing pipe 6, and the pedal fixing seat 1 is fixedly connected with the foot brake fixing pipe 6. The brake cable 5 connected to the pedal 2 is connected to the outside through the brake cable slot 15 on the pedal fixing seat 1. Meanwhile, the limiting member 31 of the releasing element 3 disposed on the pedal 2 contacts with the pedal fixing base 1, and in the use state, the limiting structure 311 on the limiting member 31 is disposed in the movable groove 12 of the pedal 2, and in the braking state, the limiting structure 311 is disposed in the limiting groove 14. The brake structure 22 of the pedal 2 is disposed in the accommodating groove 11 of the pedal fixing base 1, and the pedal 2 can rotate in the accommodating groove 11. The control plate 21 on the pedal 2 is connected to the brake structure 22, and the control plate 21 is in contact with the outside through the movable groove 12.

Claims (8)

1. The utility model provides a service brake control structure, includes footboard fixing base (1), footboard (2), brake cable (5) and is fixed in footboard bottom (4) on footboard (2), characterized by, footboard (2) are articulated with footboard fixing base (1), be provided with release element (3) between footboard (2) and footboard bottom (4), be provided with limit structure (311) on release element (3), limit structure (311) are inserted and are located on footboard fixing base (1).

2. The service brake control structure according to claim 1, wherein the release element (3) is provided with a limiting member (31) and a movable member (32), the limiting member (31) is connected with the movable member (32) through a connecting member (33), and the limiting structure (311) is disposed on the limiting member (31).

3. The service brake control structure according to claim 2, wherein the shape of the limiting member (31) is matched with the inner wall of the pedal fixing seat (1), and the limiting structure (311) is disposed at the matching side of the limiting member (31) and the pedal fixing seat (1).

4. A service brake control arrangement according to claim 2, characterized in that a spring insert (321) is provided on the movable member (32), the spring insert (321) being located on the same side as the connecting member (33).

5. The service brake control structure according to claim 1, wherein the inner wall of the pedal fixing seat (1) is of an arc-shaped structure, and the inner wall of the pedal fixing seat (1) is provided with a limiting protrusion (13).

6. A service brake control arrangement according to claim 1, characterised in that the pedal (2) is connected to the release element (3) by a resilient element.

7. A service brake control structure according to any one of claims 1-6, characterized in that both ends of the pedal (2) are provided with a brake groove (222) and a connecting groove (221), the brake cable (5) is provided with a connecting end (51), the connecting end (51) of the brake cable (5) is inserted into the connecting groove (221), and the brake cable (5) is provided with the brake groove (222).

8. A service brake control structure according to claim 7, characterized in that, the pedal fixing base (1) is provided with a brake cable slot (15), the brake cable (5) is arranged in the brake cable slot (15), the pedal fixing base (1) is provided with a fixing groove, a service brake fixing tube (6) is inserted into the fixing groove, and the fixing groove is arranged in the length direction of the pedal fixing base (1).

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