阅读说明：本技术 一种纯电动汽车离合制动机构 (Clutch and brake mechanism of pure electric vehicle ) 是由 胡莹 于 2021-11-05 设计创作，主要内容包括：本发明公开了一种纯电动汽车离合制动机构,涉及离合制动技术领域,解决了人员在高速行驶下忘记踩下离合器的使得制动不稳定的问题,包括离合踏板和制动踏板,离合踏板背侧固定有离合杆,且制动踏板背侧固定有制动杆,还包括固定在车内的支撑板和检测组件,支撑板外侧安装有复位件,且支撑板外端安装有用于车辆高速行驶下辅助刹车的离合制动联动机构,用于对车辆急刹进行判断检测组件安装与制动杆底端,并与车辆内部固定,本发明通过设计的离合制动联动机构和检测组件的相互配合,使得在高速行驶时,驾驶员在紧急情况下进紧急制动时,能够带动离合器进行同步踩下,提高车辆刹车的稳定性。(The invention discloses a clutch brake mechanism of a pure electric vehicle, which relates to the technical field of clutch braking and solves the problem that a person forgets to step on a clutch to cause unstable braking during high-speed running, and comprises a clutch pedal and a brake pedal, wherein a clutch rod is fixed on the back side of the clutch pedal, a brake rod is fixed on the back side of the brake pedal, a support plate and a detection assembly are fixed in the vehicle, a reset piece is arranged on the outer side of the support plate, a clutch brake linkage mechanism used for assisting braking during high-speed running of the vehicle is arranged at the outer end of the support plate, a detection assembly used for judging sudden braking of the vehicle is arranged at the bottom end of the brake rod and is fixed with the interior of the vehicle, and the clutch brake linkage mechanism and the detection assembly are designed to be matched with each other so that a driver can drive the clutch to synchronously step on during emergency braking during high-speed running, the stability of vehicle braking is improved.)

1. A pure electric vehicles separation and reunion brake mechanism includes:

the brake device comprises a clutch pedal (1) and a brake pedal (2), wherein a clutch rod (3) is fixed on the back side of the clutch pedal (1), and a brake rod (4) is fixed on the back side of the brake pedal (2);

it is characterized by also comprising:

the brake device comprises a supporting plate (5) fixed in a vehicle, wherein a reset piece (6) is installed on the outer side of the supporting plate (5), and a clutch brake linkage mechanism (7) used for assisting braking when the vehicle runs at a high speed is installed at the outer end of the supporting plate (5);

and the detection component (8) is used for judging the emergency brake of the vehicle, and the detection component (8) is installed at the bottom end of the brake rod (4) and is fixed with the interior of the vehicle.

2. The pure electric vehicle clutch brake mechanism according to claim 1, characterized in that: detection subassembly (8) are including the laminating attachment plate (9) of brake lever (4) bottom, attachment plate (9) fixed surface have with brake lever (4) spacing lock board (10) mutually, just attachment plate (9) bottom is rotated through the connecting ball and is installed test bar (11), test bar (11) outside sliding sleeve has detection cover (12), just test bar (11) are located the inner outside of detection cover (12) is fixed with piston plate (13), it is fixed mutually with the vehicle inside to detect the cover (12) outside, just it has gas outlet (14) to detect cover (12) bottom opening, exhaust regulating part (15) are installed to detection cover (12) bottom.

3. The pure electric vehicle clutch brake mechanism according to claim 2, characterized in that: exhaust adjusting part (15) is including fixing detect two limiting plates (16) of cover (12) inboard, it has with to slide in detection cover (12) and peg graft regulating blade (17) that limiting plate (16) peg graft mutually, it has a plurality of exhaust holes (18) to open on regulating blade (17), just it is fixed with a plurality of with to detect cover (12) bottom the stifled hole pole (19) of exhaust hole (18) looks adaptation, it is located to detect cover (12) outside piston plate (13) with intercommunication has breather pipe (20) between regulating blade (17), just it installs promotion spring (21) to detect cover (12) bottom, and promote spring (21) outer end be fixed with support piece (22) that regulating blade (17) offset.

4. The pure electric vehicle clutch brake mechanism according to claim 1, characterized in that: clutch brake link gear (7) are including Z type pole (23), Z type pole (23) one end outside is fixed with worker's type cover (24), and pass through worker's type cover (24) with backup pad (5) outer end is rotated and is connected, Z type pole (23) are close to brake lever (4) one end is fixed with little linkage plate (25), and the other end is fixed with big linkage plate (26), little linkage plate (25) outside is fixed with linkage assembly (27), just install joint subassembly (28) in the big linkage plate (26).

5. The pure electric vehicle clutch brake mechanism according to claim 4, characterized in that: linkage subassembly (27) including installing in the car in front distance sensor (29), vehicle speed sensor (30) and linkage motor (31) that the wheel rotational speed detected, little linkage board (25) outside is fixed with mounting panel (32), and passes through mounting panel (32) with linkage motor (31) are fixed, linkage motor (31) output through the shaft coupling be fixed with linkage piece (33) of brake lever (4) looks adaptation.

6. The pure electric vehicle clutch brake mechanism according to claim 4, characterized in that: the clamping assembly (28) comprises a convex pipe (34) fixed in the large linkage plate (26), the tail end of the convex pipe (34) is fixedly communicated with an air inlet pipe (35), an air pipe is communicated between the air inlet pipe (35) and the vent pipe (20), a piston sheet (36) is arranged at the thick end of the convex pipe (34), a linkage rod (37) which is in sliding insertion connection with the thin end of the convex pipe (34) is fixed on the outer side of the piston sheet (36), a linkage seat (38) is installed on the outer side of the clutch rod (3), and a linkage hole (39) matched with the linkage rod (37) is arranged in the linkage seat (38), a pushing spring (40) is sleeved outside the thick end of the convex pipe (34) of the linkage rod (37), and the two ends of the pushing spring (40) are respectively propped against the inner wall of the convex pipe (34) and the piston sheet (36).

7. The pure electric vehicle clutch brake mechanism according to claim 4, characterized in that: reset piece (6) including slip peg graft with arc pole (41) in backup pad (5), arc pole (41) tail end is fixed with spacing piece (42), and the other end be fixed with die sleeve (24) outside looks fixed link (43), arc pole (41) outside cover have with link (43) with reset spring (44) that backup pad (5) offset.

8. The pure electric vehicle clutch brake mechanism according to claim 6, characterized in that: protection plate (45) are installed in separation and reunion braking link gear (7) outside, just protection plate (45) inboard is fixed with the cutting ferrule with trachea looks adaptation, Z type pole (23) outside is fixed with the adapter sleeve with trachea looks adaptation.

Technical Field

The invention relates to the technical field of clutch braking, in particular to a clutch braking mechanism of a pure electric vehicle.

Background

The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During the running of the automobile, the driver can press or release the clutch pedal according to the requirement, so that the engine and the gearbox are temporarily separated and gradually jointed, and the power input by the engine to the gearbox is cut off or transmitted. Clutches are common components in mechanical transmissions, and allow the transmission to be disengaged or engaged at any time.

At present, in the high-speed running process of a vehicle, if an emergency situation is met, a person needs to step on a brake and simultaneously cooperate with the stepping of a clutch to reduce the influence of the rotating speed on the brake caused by the high-speed rotation of an engine when in emergency brake, and the prior patent number CN205059270U4 discloses a linkage device of a clutch pedal and a brake pedal, wherein the designed clutch pedal is positioned at the bottom of the brake pedal, the clutch pedal is driven to step on every time of stepping on the brake, the brake pedal is not influenced when the clutch is stepped on, however, in the normal driving process, the person only drives the clutch to step on by the brake, if the clutch is long-term, the clutch is easy to damage, the service life of the clutch is seriously shortened, meanwhile, the danger is caused, even the vehicle is easy to be in an out-of-control state, and the effective control is difficult for a novice driver, therefore, the clutch and brake mechanism of the pure electric vehicle is provided.

Disclosure of Invention

The invention aims to provide a clutch brake mechanism of a pure electric vehicle, which can assist a clutch to be stepped down when a person emergently brakes when the vehicle runs at a high speed, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pure electric vehicles separation and reunion arrestment mechanism, includes separation and reunion footboard and brake pedal, the separation and reunion footboard dorsal part is fixed with the clutch lever, just the brake pedal dorsal part is fixed with the brake lever, still including fixing backup pad and the determine module in the car, the backup pad outside is installed and is reset the piece, just the separation and reunion braking link gear that is used for the vehicle to go auxiliary brake under high-speed is installed to the backup pad outer end for judge the vehicle emergency brake the determine module installation with the brake lever bottom to with vehicle inside fixed.

Preferably, the determine module is including the laminating the attaching plate of brake lever bottom, attaching plate fixed surface have with brake lever spacing lock board mutually, just attaching plate bottom rotates through the connecting ball and installs the test bar, test bar outside sliding sleeve has the detection cover, just the test bar is located the detection cover inside end outside is fixed with the piston plate, the detection cover outside is fixed with the vehicle inside, just it has the gas outlet to detect set bottom, detect set bottom and install the exhaust regulating part, realize the judgement to the emergency braking condition through the determine module.

Preferably, the exhaust regulating part is including fixing two inboard limiting plates of detection cover, slip peg graft in the detection cover have with the regulating blade that the limiting plate was pegged graft mutually, it has a plurality of exhaust holes to open on the regulating blade, just detection cover bottom be fixed with a plurality of with the plug hole pole of exhaust hole looks adaptation, the detection cover outside is located the piston board with the intercommunication has the breather pipe between the regulating blade, just it installs the promotion spring to detect the cover bottom, and promote the spring outer end be fixed with the support piece that the regulating blade offseted, realize promptly stepping on the brake lever through the exhaust regulating part and press and slowly step on pressing and distinguish when to can judge emergency braking.

Preferably, separation and reunion braking link gear includes Z type pole, Z type pole one end outside is fixed with the worker's type cover, and passes through the worker's type cover with the backup pad outer end is rotated and is connected, Z type pole is close to brake lever one end is fixed with little linkage plate, and the other end is fixed with big linkage plate, the little linkage plate outside is fixed with the linkage subassembly, just install the joint subassembly in the big linkage plate, mutually support through big linkage plate and the little linkage plate of design for when little linkage plate rotates certain angle, can drive the clutch lever and rotate great angle, make the vehicle clutch step on and press more thoroughly.

Preferably, the linkage assembly comprises a distance sensor arranged in front of the vehicle, a vehicle speed sensor for detecting the rotating speed of the wheel and a linkage motor, a mounting plate is fixed on the outer side of the small linkage plate and is fixed with the linkage motor, a linkage sheet matched with the brake rod is fixed at the output end of the linkage motor through a coupler, and the linkage assembly is used for realizing linkage of the brake rod, so that the linkage assembly can rotate in a linkage manner along with the rotation of the brake rod.

Preferably, the joint subassembly is including fixing protruding type pipe in the big linkage board, protruding type pipe tail end fixed intercommunication has the intake pipe, just the intake pipe with the intercommunication has the trachea between the breather pipe, the butt of protruding type pipe is equipped with the piston piece, just the piston piece outside be fixed with the link lever of the slip grafting of the tip of protruding type pipe, the linkage seat is installed in the clutch lever outside, just open in the linkage seat have with the linkage hole of link lever looks adaptation, the link lever is located the butt outside cover of protruding type pipe has the spring that pushes away, just it is respectively to push away the spring both ends the piston piece with protruding type inside pipe wall offsets, realizes carrying out the joint to the clutch lever through the joint subassembly of design to realize the coordinated motion.

Preferably, the reset piece comprises an arc-shaped rod which is inserted into the supporting plate in a sliding manner, a limiting sheet is fixed at the tail end of the arc-shaped rod, a connecting frame which is fixed to the outer side of the I-shaped sleeve is fixed to the other end of the arc-shaped rod, a reset spring which is abutted against the connecting frame and the supporting plate is sleeved on the outer side of the arc-shaped rod, and the rotated Z-shaped rod can be reset through the reset piece, so that the Z-shaped rod can be reused.

Preferably, the guard plate is installed in the separation and reunion braking link gear outside, just the guard plate inboard is fixed with the cutting ferrule with trachea looks adaptation, the Z type pole outside is fixed with the adapter sleeve with trachea looks adaptation, and the existence of guard plate realizes the protection to separation and reunion braking link gear, and the effect of cutting ferrule and adapter sleeve simultaneously can be fine installs spacingly to the trachea.

Compared with the prior art, the invention has the beneficial effects that:

the clutch and brake linkage mechanism and the detection assembly are matched with each other, so that a driver can drive the clutch to synchronously step down when the driver performs emergency braking under emergency conditions during high-speed running, and the braking stability of the vehicle is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another angle structure of the present invention with the guard plate removed;

FIG. 3 is a partial cross-sectional structural schematic view of the present invention;

FIG. 4 is a schematic view of a detection assembly according to the present invention in partial cross-section;

FIG. 5 is a schematic view of the exhaust regulator of the present invention;

FIG. 6 is a schematic structural view of a clutch-brake linkage mechanism according to the present invention;

FIG. 7 is an enlarged view taken at A in FIG. 6;

FIG. 8 is a top plan view of the clutched brake linkage of the present invention;

fig. 9 is a schematic structural view of a restoring member of the present invention;

FIG. 10 is a flow chart of a clutch braking control method according to the present invention.

In the figure: 1-clutch pedal; 2-brake pedal; 3-a clutch lever; 4-a brake lever; 5-a support plate; 6-a reset piece; 7-clutch brake linkage mechanism; 8-a detection component; 9-a jointing plate; 10-a fastening plate; 11-a detection rod; 12-a detection sleeve; 13-a piston plate; 14-an air outlet; 15-exhaust gas regulating member; 16-a limiting plate; 17-a conditioning flap; 18-a vent hole; 19-a hole plugging rod; 20-a breather pipe; 21-a pushing spring; 22-resisting sheet; 23-Z-shaped rods; 24-forming a sleeve; 25-small linkage plate; 26-large linkage plate; 27-a linkage assembly; 28-a snap-fit assembly; 29-a distance sensor; 30-vehicle speed sensor; 31-a linkage motor; 32-a mounting plate; 33-a linkage plate; 34-convex tube; 35-an air inlet pipe; 36-a piston plate; 37-linkage bar; 38-a linkage seat; 39-linkage hole; 40-pushing the spring tightly; 41-arc-shaped rods; 42-a limiting sheet; 43-a connecting frame; 44-a return spring; 45-protective plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, the clutch brake mechanism of the pure electric vehicle in the figure comprises a clutch pedal 1 and a brake pedal 2, a clutch rod 3 is fixed on the back side of the clutch pedal 1, a brake rod 4 is fixed on the back side of the brake pedal 2, the clutch brake mechanism further comprises a support plate 5 and a detection assembly 8 which are fixed in the vehicle, a reset piece 6 is installed on the outer side of the support plate 5, a clutch brake linkage mechanism 7 used for assisting in braking of the vehicle during high-speed running is installed at the outer end of the support plate 5, and the detection assembly 8 is installed at the bottom end of the brake rod 4 and fixed in the vehicle.

It should be noted that: in this scheme, separation and reunion footboard 1, brake pedal 2, clutch lever 3 and brake lever 4 are current product, add separation and reunion braking link gear 7 and determine module 8 on current product to realize that the auxiliary personnel is under high-speed traveling, when carrying out emergency brake, can step on the clutch in the linkage, make emergency brake more stable.

In this embodiment, please refer to fig. 3-5, the detecting assembly 8 shown in the figure includes a attaching plate 9 attached to the bottom of the brake lever 4, a fastening plate 10 fixed to the surface of the attaching plate 9 and limiting with the brake lever 4, and a detecting rod 11 rotatably mounted at the bottom of the attaching plate 9 through a connecting ball, a detecting sleeve 12 slidably sleeved at the outer side of the detecting rod 11, a piston plate 13 fixed at the outer side of the detecting rod 11 located at the inner end of the detecting sleeve 12, a gas outlet 14 fixed at the outer side of the detecting sleeve 12 and fixed with the interior of the vehicle, and a gas exhaust adjusting member 15 mounted at the bottom of the detecting sleeve 12;

it should be noted that: the attaching plate 9 in this scheme is attached to the brake rod 4 through the fastening plate 10 all the time, so that the brake rod 4 can drive the attaching plate 9 to move correspondingly when moving.

Referring to fig. 5, the exhaust adjusting element 15 shown in the figure includes two limiting plates 16 fixed on the inner side of the detecting sleeve 12, an adjusting plate 17 inserted into the limiting plates 16 is slidably inserted into the detecting sleeve 12, a plurality of exhaust holes 18 are formed in the adjusting plate 17, a plurality of hole blocking rods 19 matched with the exhaust holes 18 are fixed at the bottom of the detecting sleeve 12, a vent pipe 20 is communicated between the piston plate 13 and the adjusting plate 17 on the outer side of the detecting sleeve 12, a pushing spring 21 is installed at the bottom end of the detecting sleeve 12, and a supporting plate 22 supporting against the adjusting plate 17 is fixed at the outer end of the pushing spring 21.

It should be noted that, when a person performs an emergency brake, the person steps on the brake pedal 2 suddenly to drive the brake lever 4 to press down quickly, so as to push the piston plate 13 to press down quickly, and the extruded gas is not discharged from the exhaust hole 18 in the adjusting sheet 17, so as to push the adjusting sheet 17 to press down, so that the adjusting sheet 17 is inserted into the hole blocking rod 19, so that the adjusting sheet 17 seals the air outlet 14, so that the gas is discharged from the vent pipe 20, and the adjustment of the clutch brake linkage mechanism 7 is realized.

In addition, referring to fig. 3, 6-8, the clutch-brake linkage mechanism 7 in the figure includes a Z-shaped rod 23, an i-shaped sleeve 24 is fixed on the outer side of one end of the Z-shaped rod 23 and is rotatably connected with the outer end of the supporting plate 5 through the i-shaped sleeve 24, a small linkage plate 25 is fixed on one end of the Z-shaped rod 23 close to the brake lever 4, a large linkage plate 26 is fixed on the other end of the Z-shaped rod, a linkage assembly 27 is fixed on the outer side of the small linkage plate 25, and a clamping assembly 28 is installed in the large linkage plate 26;

it should be noted that: the Z-shaped rod 23 is matched with the combined action of the small linkage plate 25 and the large linkage plate 26, so that the small linkage plate 25 drives a certain angle to drive the Z-shaped rod 23 to rotate, the large linkage plate 26 is driven to rotate by a larger angle, and a worker can completely step on the clutch pedal 1 when stepping on a brake.

Referring to fig. 6-8, the linkage assembly 27 shown in the figure includes a distance sensor 29 installed in front of the vehicle, a vehicle speed sensor 30 for detecting the rotational speed of the wheel, and a linkage motor 31, an installation plate 32 is fixed on the outer side of the small linkage plate 25 and fixed with the linkage motor 31 through the installation plate 32, and a linkage sheet 33 matched with the brake lever 4 is fixed on the output end of the linkage motor 31 through a coupler;

it should be noted that: referring to fig. 10, the vehicle speed sensor 30, which detects the speed of the vehicle through the distance sensor 29 and the wheel speed, can determine the vehicle speed of the vehicle and check the front obstacle, so that the corresponding operation can be performed in advance in case of emergency, and in the present embodiment, the distance sensor 29 and the vehicle speed sensor 30 are existing in-vehicle sensors, wherein the vehicle speed sensor 30 is preferably of a SCA1000-D01 type, the distance sensor 29 is preferably of a TN54 type, and the linkage motor 31 is preferably of a Y80M1-2 type.

Meanwhile, referring to fig. 6-8, the clamping assembly 28 in the figure includes a convex tube 34 fixed in the large linkage plate 26, an air inlet tube 35 is fixedly communicated with the tail end of the convex tube 34, an air tube is communicated between the air inlet tube 35 and the air tube 20, a piston plate 36 is arranged at the thick end of the convex tube 34, a linkage rod 37 slidably inserted into the thin end of the convex tube 34 is fixed at the outer side of the piston plate 36, a linkage seat 38 is installed at the outer side of the clutch rod 3, a linkage hole 39 adapted to the linkage rod 37 is formed in the linkage seat 38, a pushing spring 40 is sleeved on the outer side of the thick end of the convex tube 34 of the linkage rod 37, and two ends of the pushing spring 40 are respectively abutted against the inner walls of the piston plate 36 and the convex tube 34;

it should be noted that: the elasticity of the pushing spring 40 is larger than that of the pushing spring 21, so that when a person lightly steps on the brake, air slowly flows into the air outlet 14 from the air outlet 18 and is exhausted, and when the person strongly steps on the brake, the air is enabled to enter the air inlet pipe 35.

Referring to fig. 10, the principle of emergency braking in high-speed driving; firstly, when a driver runs at a high speed, the running speed of the vehicle can be accurately obtained through the vehicle speed sensor 30, when the vehicle speed is more than 100km/h, the driver is judged to run at a high speed, at the moment, the linkage motor 31 is controlled to drive the linkage sheet 33 to rotate to the bottom end of the brake rod 4, when emergency braking is needed in case of emergency, the driver can step on the brake suddenly to drive the piston plate 13 to move downwards quickly, so that the adjusting sheet 17 moves downwards to block the air outlet 14, air is discharged from the air pipe 20 into the air inlet pipe 35 through the air pipe and extrudes the piston sheet 36, the linkage rod 37 is clamped with the linkage hole 39 in the linkage seat 38, the clutch rod 3 is driven to press downwards, the auxiliary pressing of the clutch rod 3 during the emergency braking of the vehicle is realized, the stability of the braking of the vehicle is improved, when the vehicle runs between 80km/h and 100km/h, at this time, when the distance sensor 29 detects that there is an obstacle or a vehicle in front, the linkage motor 31 can be driven to rotate, so that the linkage piece 33 moves to the bottom of the brake lever 4;

it is worth noting that: when the vehicle normally runs at the speed of below 80km/h in an urban area, the distance sensor 29 and the vehicle speed sensor 30 cannot regulate the linkage motor 31, the vehicle brake and clutch trample are both operated by a person conventionally, the abrasion to the clutch is reduced, and the service life of the clutch is prolonged.

Example 2

Referring to fig. 1 and fig. 2, in this embodiment, a clutch brake mechanism of a pure electric vehicle is further described with respect to embodiment 1, and the clutch brake mechanism of the pure electric vehicle in the figure includes a clutch pedal 1 and a brake pedal 2, a clutch rod 3 is fixed to a back side of the clutch pedal 1, a brake rod 4 is fixed to a back side of the brake pedal 2, and further includes a support plate 5 and a detection assembly 8 fixed in the vehicle, a reset member 6 is installed at an outer side of the support plate 5, and a clutch brake linkage mechanism 7 for assisting braking of the vehicle during high-speed driving is installed at an outer end of the support plate 5, and is used for determining that the detection assembly 8 is installed at a bottom end of the brake rod 4 and fixed to an inside of the vehicle;

referring to fig. 9, the restoring member 6 shown in the figure includes an arc rod 41 slidably inserted into the supporting plate 5, a limiting plate 42 is fixed at the tail end of the arc rod 41, a connecting frame 43 fixed to the outer side of the i-shaped sleeve 24 is fixed at the other end of the arc rod 41, and a restoring spring 44 abutting against the connecting frame 43 and the supporting plate 5 is sleeved on the outer side of the arc rod 41.

In this embodiment, through the combined action of the arc rod 41, the connecting frame 43 and the return spring 44, the Z-shaped rod 23 can automatically return after rotating a certain angle without external force, so that the next use is more convenient.

Example 3

Referring to fig. 1, in the present embodiment, for further explanation of other embodiments, a protection plate 45 is installed on an outer side of the clutch brake linkage mechanism 7 in the figure, a cutting sleeve adapted to an air pipe is fixed on an inner side of the protection plate 45, and a connection sleeve adapted to the air pipe is fixed on an outer side of the Z-shaped rod 23;

it is worth noting that the air pipe in the scheme is made of a rubber hose, and slight pulling when the mechanism is adjusted to rotate is met.

It is worth further explaining that, in this embodiment, can effectually carry out certain protection to separation and reunion braking link gear 7 through the guard plate 45 that adds, avoid personnel's foot to cause the damage to separation and reunion braking link gear 7, simultaneously through the combined action of the cutting ferrule of design and adapter sleeve, can effectually connect spacingly to the trachea.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.