CN113606333A

CN113606333A - P-gear parking locking structure and using method thereof

Info

Publication number: CN113606333A
Application number: CN202110897535.3A
Authority: CN
Inventors: 田伟; 姚刚; 金仁川; 何旋
Original assignee: Chongqing Kelang Motor Vehicle Brake Co ltd
Current assignee: Chongqing Kelang Motor Vehicle Brake Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-11-05
Anticipated expiration: 2041-08-05
Also published as: CN113606333B

Abstract

The invention provides a P-gear parking locking structure and a use method thereof, wherein the P-gear parking locking structure comprises a master brake pump arranged on a frame handle, the master brake pump is provided with an upper support lug and a lower support lug, a screw rod is simultaneously connected with the upper support lug and the lower support lug, a handle on the master brake pump is rotationally connected to the screw rod, the upper part of the screw rod is connected with a locking device, the lower end of the locking device in a normal state is provided with a gap with the top surface of the handle, and a movable rod on the locking device extends downwards and is propped against by the handle in a parking state; the using method comprises the following steps: during parking operation, the handle is firstly pinched to a parking state, then the pressing piece on the locking device is pressed down to enable the movable rod on the locking device to extend downwards, then the handle is released, and after the movable rod is pressed by the handle, the force applied to the pressing piece is cancelled; when the parking is released, the handle is firstly pinched, and when the pressing piece and the movable rod on the locking device are automatically reset, the handle is then loosened. The invention does not need to change or increase or decrease any structure of the common master cylinder body and has convenient operation.

Description

P-gear parking locking structure and using method thereof

Technical Field

The invention belongs to the technical field of parking systems, and particularly relates to a P-gear parking locking structure and a using method thereof.

Background

The hand brake of electric motorcycle, fuel motorcycle and other vehicles usually does not have a parking device/mechanism, so the hand brake must be held during the process of ascending or descending, and the hand brake is easy to slide or roll over if the hand brake is not held, even causing safety accidents. The beach vehicle (ATV) has a separate parking mechanism, but has a problem of troublesome parking operation, and needs to be designed in the whole vehicle design stage.

For preventing to send the parking inefficacy, some P shelves parking locking structure have appeared on the market, adopt the locating part to die the handle card of parking system when the parking, nevertheless parking locking structure commonly used mostly needs the user to stir the shifting block and drive locating part work for the parking operation becomes loaded down with trivial details or even the difference. In addition, document CN103899744A discloses a multifunctional parking handle assembly for a vehicle, which includes a push rod mounted in a handle, a button, a return spring and a support sleeve mounted on the push rod, a grip sleeve mounted outside the handle, a small toothed plate with a small rivet shaft and a large toothed plate with a main shaft mounted in the handle in a meshed manner, a switch control plate with a return torsion spring mounted on the main shaft, and a differential cable and a parking cable mounted on a dual-cable mounting plate respectively mounted in the handle through a differential cable pin and a parking cable pin. However, the scheme adopts a tooth-shaped meshing mode, and the parking handle combination device can be installed only by changing the structure of the master cylinder body of the parking system, obviously, the parking system is extremely unfavorable for manufacturers and users of the parking system, and cannot be suitable for master cylinders of different specifications.

Disclosure of Invention

The invention aims to provide a P-gear parking locking structure with good universality.

The utility model provides a P keeps off parking locking structure, includes to set up at the handheld brake master cylinder of frame, has last journal stirrup and lower journal stirrup on the brake master cylinder, and the journal stirrup is connected simultaneously to the screw rod and lower journal stirrup, and the handle rotation on the brake master cylinder is connected on the screw rod, its characterized in that: the locking ware is connected on screw rod upper portion, and locking ware lower extreme and handle top surface under the normal condition have the clearance, and under the parking state, the movable rod on the locking ware stretches out downwards and is supported tightly by the handle.

In order to improve the universality of a P-gear parking locking structure (locking structure for short) on the basis of not changing the structure of a master cylinder body of a brake, the locking device is sleeved on the screw rod and is fixed in a preset position by means of a jackscrew.

In order to facilitate the operation and save the occupied space of the locking structure, the abutting end of the jackscrew is positioned on the upper surface of the upper lug.

For the locking structure of easy to assemble, the screw rod runs through simultaneously go up the journal stirrup with the journal stirrup is down to be in the screw rod both ends are provided with the nut respectively.

For improving the stability of locking structure, the connecting plate cover of locking ware is established on the screw rod, and the connecting plate is compressed tightly at the nut on screw rod upper portion with go up between the journal stirrup.

For making things convenient for parking locking operation, the locking ware includes the casing, is provided with the movable rod in the cavity of casing, and elastic element is connected to the movable rod, and when elastic element was compressed under the exogenic action, the lower extreme of movable rod stretched out downwards in following the cavity, and after the external force of canceling to elastic element applys, elastic element reset in order to drive the movable rod and reset.

In order to further improve the stability of the locking structure, the upper end of the movable rod is connected with a pressing piece, and when the elastic element is in a free state, the upper half part of the pressing piece is positioned outside the cavity; the elastic element is sleeved on the movable rod, the lower end of the elastic element is abutted against a step on the inner wall of the cavity, the upper end of the elastic element is abutted against the limiting part, the upper end of the limiting part is connected with the pressing piece, and the lower end of the limiting part is connected with the movable rod.

In order to further improve the stability of the locking structure, the shell comprises an upper shell and a lower shell, the upper shell is fixedly sleeved on the lower shell, and through holes respectively arranged on the upper shell and the lower shell form the cavity together; the lower end of the elastic element is abutted against a step on the inner wall of the through hole of the lower shell; the connecting plate is fixedly sleeved on the lower shell; the pressing piece, the limiting part and the movable rod are integrally formed.

Another object of the present invention is to provide a method for using the aforementioned P-range parking lock structure, which has the advantages of simple and flexible operation, and is characterized by comprising the following steps:

step 1, selecting a long screw, wherein the length of the long screw is greater than the total height of an upper support lug and a lower support lug, the height of two nuts and the thickness of a connecting plate on a locking device; the total height of the upper lug and the lower lug is the distance from the upper surface of the upper lug to the lower surface of the lower lug;

step 2, firstly, a connecting plate on the locking device is placed on the upper surface of the upper lug, the position of the connecting plate is adjusted, then a long screw rod is simultaneously arranged on the connecting plate, the upper lug, the handle and the lower lug in a penetrating mode, and a screw cap is screwed down;

step 3, during parking operation, the handle is firstly pinched to a parking state, then the pressing piece on the locking device is pressed down to enable the movable rod on the locking device to extend downwards, then the handle is released, and after the movable rod is pressed by the handle, the force applied to the pressing piece is cancelled;

and 4, when the parking is released, the handle is firstly pinched, and when the pressing piece and the movable rod on the locking device are automatically reset, the handle is released.

As a preferable application of the present invention, the P-range parking lock structure is applied to an electric motorcycle, a fuel motorcycle, or a beach vehicle (ATV).

Has the advantages that: by adopting the P-gear parking locking structure provided by the invention, any structure of a common master cylinder body does not need to be changed or increased or decreased, and a user can stably install the P-gear parking locking structure on a brake master by only adopting a long bolt (equivalent to replacing an original screw on the master cylinder with a long screw) and a jackscrew; the P-gear parking locking structure provided by the invention is not only suitable for a parking system on an electric motorcycle, a fuel motorcycle or a dune buggy (ATV), but also suitable for common brake master pumps with different specifications, and has good universality; the P-gear parking locking structure provided by the invention can be independently sold as a set of independent products, and can also be sold in a matched manner with a master brake pump (the existing parking locking structure can only be sold in a matched manner with the master brake pump); the P-gear parking locking structure provided by the invention has good stability and flexibility, is convenient to assemble and install, can be easily and quickly installed by any user, and takes less than one minute for a common user to install one set of structure; the P-gear parking locking structure provided by the invention has the advantages that the parking locking operation is very simple, the parking locking can be realized by simply pinching the handle and pressing and loosening the handle, the operation habits of most users are met, the shifting block does not need to be shifted or the pull rod does not need to be pulled in the whole parking locking operation process, and no special feeling is caused during the operation.

Drawings

Fig. 1 is a schematic view of a P-range parking lock structure in a normal state in embodiment 1;

fig. 2 is a schematic diagram of the P-range parking lock structure in the parking (locked) state in embodiment 1;

FIG. 3 is a cross-sectional view of a lock for the P-range parking lock structure according to embodiment 1;

FIG. 4 is a schematic view of the lock-up device of embodiment 1;

fig. 5 is a schematic view (formed integrally) of a pressing member, a limiting portion and a movable rod of the parking lock in embodiment 1;

fig. 6 is a schematic view of a lower housing of the locker of embodiment 1.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

The lock of the P-range parking lock structure in the present embodiment will be described. As shown in fig. 3 to 6, the locking device includes a housing, a movable rod 7 is disposed in a cavity 10 of the housing, the movable rod 7 is connected to the elastic element 5, when the elastic element 5 is compressed under the action of an external force, a lower end of the movable rod 7 extends downward from the cavity 10, and after the external force applied to the elastic element 5 is removed, the elastic element 5 resets to drive the movable rod 7 to reset. Wherein, the upper end of the movable rod 7 is connected with the pressing piece 1, and when the elastic element 5 is in a free state, the upper half part of the pressing piece 1 is positioned outside the cavity 10; the elastic element 5 is sleeved on the movable rod 7, the lower end of the elastic element 5 is abutted against a step on the inner wall of the cavity 10, the upper end of the elastic element 5 is abutted against the limiting part 6, the upper end of the limiting part 6 is connected with the pressing piece 1, and the lower end of the limiting part is connected with the movable rod 7; as shown in fig. 5, the presser 1, the stopper 6, and the movable lever 7 are integrally molded. The connecting plate 3 is arranged on the shell, the connecting plate 3 is used for being fixed on a brake master cylinder, the connecting plate 3 is provided with a screw hole 9, a screw hole 8 and a mounting hole, the screw hole 9 is used for being matched with a screw rod, the screw hole 8 is used for being matched with a jackscrew 12, and the mounting hole is used for being matched with the outer wall of the lower shell 4. The shell comprises an upper shell 2 and a lower shell 4, the upper shell 2 is fixedly sleeved on the lower shell 4, through holes of the upper shell 2 and the lower shell 4 form a cavity 10 together, the lower end of an elastic element 5 abuts against a step on the inner wall of the through hole of the lower shell 4, and a connecting plate 3 is fixedly sleeved on the lower shell 4 through a mounting hole, or the upper shell 2 and the lower shell 4 are connected in a mode of adopting a specific scheme that the upper shell 2 is in threaded connection with the lower shell 4, the mounting hole on the connecting plate 3 is a square flat through hole, the lower shell 4 is inserted into the flat through hole, and after the upper shell 2 and the lower shell 4 are locked by threads, the connecting plate 3 is clamped; the upper part of the through hole of the upper shell 2 is provided with a limiting table which is used for limiting a limiting part 6 at an upper limit position; the outer wall of the lower shell 4 is provided with an annular boss, and the outer wall of the connecting plate 3 close to the mounting hole is flush with the outer wall of the annular boss on the lower shell 4. The locking device is simple in structure, mainly comprises a shell, an elastic element, a connecting plate and a movable rod with a pressing part, a plurality of parts are additionally arranged without changing the structure of a brake master pump, the manufacturing difficulty is low, and the main manufacturing process is to drill holes on a cylindrical part and the connecting plate; the parking lock is convenient to process and assemble, and one parking lock is assembled by common technicians for less than one minute.

Next, the P range parking lock structure in the present embodiment will be explained. As shown in fig. 1 to 2, the P-gear parking locking structure includes a master cylinder 16 disposed on a frame handle 15, the master cylinder 16 has an upper lug 13 and a lower lug 17, a screw 11 is simultaneously connected with the upper lug 13 and the lower lug 17, and a handle 14 on the master cylinder 16 is rotatably connected to the screw 11; the upper part of the screw rod 11 is connected with a locking device, the lower end of the locking device (actually the lower end of the lower shell 4 and/or the lower end of the movable rod 7) and the top surface of the handle 14 have a clearance in the normal state, and the movable rod 7 on the locking device extends downwards and is abutted by the handle 14 in the parking state. The screw 11 penetrates through the upper support lug 13 and the lower support lug 17 simultaneously, nuts are arranged at two end portions of the screw 11 respectively, the connecting plate 3 of the locking device is sleeved on the screw 11, the connecting plate 3 is tightly pressed between the nut at the upper portion of the screw 11 and the upper support lug 13, the abutting end of the jackscrew 12 is located on the upper surface of the upper support lug 13, and the locking device is fixed in a preset position by means of the jackscrew 12.

The P-gear parking locking structure in the embodiment can be installed on an electric motorcycle, a fuel motorcycle or a beach vehicle (ATV), and the specific using method comprises the following steps:

step 1, selecting a long screw, wherein the length of the long screw is greater than the total height of an upper lug 13 and a lower lug 17, the height of two nuts and the thickness of an upper connecting plate 3 of a locking device, and equivalently, replacing an original screw on a master cylinder 16 with a long screw (namely a screw 11);

step 2, firstly, placing the connecting plate 3 on the locking device on the upper surface of the upper support lug 13, adjusting the connecting plate 3 to a proper position (based on the position of the handle 14 in a conventional parking state, the movable rod 7 can be just propped by the handle 14 at the moment, and the position corresponding to the connecting plate 3 in the state is the adjusted proper position), then simultaneously penetrating the long screw rod on the connecting plate 3, the upper support lug 13, the handle 14 and the lower support lug 17, and screwing the screw cap;

step 3, during parking operation, firstly pinching the handle 14 to a parking state, then pressing down the pressing piece 1 on the locker to enable the movable rod 7 on the locker to extend downwards, then releasing the handle 14, and removing the force applied to the pressing piece 1 after the movable rod 7 is pressed by the handle 14, wherein the state is shown in fig. 2;

and 4, when the parking is released, the handle 14 is firstly pinched, and the handle 14 is released after the pressing piece 1 and the movable rod 7 on the locking device are automatically reset, wherein the state is shown in the figure 1.

By adopting the P-gear parking locking structure in the embodiment, any structure of a common master cylinder body does not need to be changed or increased or decreased, and a user can stably install the P-gear parking locking structure on a brake master by only adopting a long bolt (equivalent to replacing an original screw on the master cylinder with a long screw) and a jackscrew; the P-gear parking locking structure provided by the embodiment is not only suitable for a parking system on an electric motorcycle, a fuel motorcycle or a beach vehicle (ATV), but also suitable for common brake master cylinders with different specifications, and has good universality; the P-gear parking locking structure provided in the embodiment can be independently sold as a set of independent products, and can also be sold in a matched manner with a master brake pump (the existing parking locking structure can only be sold in a matched manner with the master brake pump); the P-gear parking locking structure provided by the embodiment has good stability and flexibility, is convenient to assemble and install, can be easily and quickly installed by any user, and takes less than one minute for a common user to install one set of structure; adopt the P that provides in this embodiment to keep off parking locking structure, parking locking operation is very simple, through pinch the handle simply and press, loose operation just can realize the parking locking, accords with most users' operation custom, and whole parking locking operation process all need not to stir shifting block or pulling pull rod, does not have the sensation of others during the operation completely.

In other embodiments, the pressing piece 1, the limiting portion 6 and the movable rod 7 are welded or screwed together, and the upper end of the elastic element 5 abuts against a boss of the movable rod 7, or the upper end of the elastic element 5 abuts against a boss of the pressing piece 1. In addition, the upper case 2 and the lower case 4 can be designed as an integrally formed structure, and the connection plate 3 and the lower case 4 can also be designed as an integrally formed structure.

Claims

1. The utility model provides a P keeps off parking locking structure, includes brake master cylinder (16) of setting on frame handle (15), has last journal stirrup (13) and lower journal stirrup (17) on brake master cylinder (16), and journal stirrup (13) and lower journal stirrup (17) are connected simultaneously in screw rod (11), and handle (14) on brake master cylinder (16) rotate to be connected on screw rod (11), its characterized in that: the upper part of the screw rod (11) is connected with a locking device, a gap is formed between the lower end of the locking device in a normal state and the top surface of the handle (14), and the movable rod (7) on the locking device extends downwards and is abutted by the handle (14) in a parking state.

2. The P-range parking lock structure according to claim 1, characterized in that: the locking device is sleeved on the screw rod (11) and is fixed in a preset position by means of a jackscrew (12).

3. The P range parking lock structure according to claim 2, characterized in that: the abutting end of the jackscrew (12) is positioned on the upper surface of the upper support lug (13).

4. The P range parking lock structure according to claim 3, characterized in that: the screw (11) penetrates through the upper support lug (13) and the lower support lug (17) simultaneously, and nuts are arranged at two ends of the screw (11) respectively.

5. The P range parking lock structure according to any one of claims 1 to 4, characterized in that: the connecting plate (3) of the locking device is sleeved on the screw rod (11), and the connecting plate (3) is tightly pressed between a screw cap at the upper part of the screw rod (11) and the upper support lug (13).

6. The P range parking lock structure according to claim 5, characterized in that: the locking device comprises a shell, a movable rod (7) is arranged in a cavity (10) of the shell, the movable rod (7) is connected with an elastic element (5), when the elastic element (5) is compressed under the action of external force, the lower end of the movable rod (7) extends downwards from the cavity (10), and after the external force applied to the elastic element (5) is cancelled, the elastic element (5) resets to drive the movable rod (7) to reset.

7. The P range parking lock structure according to claim 6, characterized in that: the upper end of the movable rod (7) is connected with the pressing piece (1), and when the elastic element (5) is in a free state, the upper half part of the pressing piece (1) is positioned outside the cavity (10); elastic element (5) cover is established on movable rod (7), elastic element (5) lower extreme supports and leans on the step of cavity (10) inner wall, elastic element (5) upper end supports and leans on spacing portion (6), and spacing portion (6) upper end is connected pressing piece (1), the lower extreme is connected movable rod (7).

8. The P range parking lock structure according to claim 7, characterized in that: the shell comprises an upper shell (2) and a lower shell (4), the upper shell (2) is fixedly sleeved on the lower shell (4), and through holes respectively arranged on the upper shell (2) and the lower shell (4) jointly form the cavity (10); the lower end of the elastic element (5) is abutted against a step of the inner wall of the through hole of the lower shell (4); the connecting plate (3) is fixedly sleeved on the lower shell (4); the pressing piece (1), the limiting part (6) and the movable rod (7) are integrally formed.

9. A method for using the P range parking lock structure according to any one of claims 1 to 8, characterized by comprising the steps of:

step 1, selecting a long screw, wherein the length of the long screw is greater than the total height of an upper support lug (13) and a lower support lug (17), the height of two screw caps and the thickness of an upper connecting plate (3) of a locking device;

step 2, firstly, a connecting plate (3) on the locking device is placed on the upper surface of an upper support lug (13), the position of the connecting plate (3) is well adjusted, then a long screw rod is simultaneously arranged on the connecting plate (3), the upper support lug (13), a handle (14) and a lower support lug (17) in a penetrating mode, and a screw cap is screwed down;

step 3, during parking operation, firstly pinching the handle (14) to a parking state, then pressing down the pressing piece (1) on the locking device to enable the movable rod (7) on the locking device to extend downwards, then releasing the handle (14), and removing the force applied to the pressing piece (1) after the movable rod (7) is pressed tightly by the handle (14);

and 4, when the parking is released, the handle (14) is firstly pinched, and when the pressing piece (1) and the movable rod (7) on the locking device are automatically reset, the handle (14) is released.

10. Use according to claim 9, characterized in that: the P-gear parking locking structure is a locking structure applied to an electric motorcycle, a fuel motorcycle or an ATV type beach vehicle.