CN218761071U

CN218761071U - Parking braking actuating mechanism

Info

Publication number: CN218761071U
Application number: CN202222341087.1U
Authority: CN
Inventors: 唐楠
Original assignee: Fujian Junbo Intelligent Technology Co ltd
Current assignee: Fujian Junbo Intelligent Technology Co ltd
Priority date: 2022-09-04
Filing date: 2022-09-04
Publication date: 2023-03-28
Anticipated expiration: 2032-09-04

Abstract

The utility model discloses a parking braking actuating mechanism, including cylinder base main part, top cap, installation section of thick bamboo, pivot, ratchet and connecting pipe, the welding of cylinder base main part front end face has the top cap, the welding of top cap front end face through-hole has the installation section of thick bamboo, has set up lubricating arrangement in the front end face of ratchet, is of value to lubricating maintenance to the ratchet like this, prevents that the ratchet from producing the maintenance cost that reduces spare part because of great friction damage, has improved the lubricated efficiency of device; the emergency braking device is arranged on the front end face of the top cover, so that parking braking of a vehicle is facilitated, the safety of the vehicle in running is improved, the efficiency of parking braking of the vehicle is effectively improved, the reliability of operation of the emergency braking device is guaranteed, and the utilization rate of the space of the device is improved.

Description

Parking braking actuating mechanism

Technical Field

The utility model relates to a parking is carried out relevant field, specifically is a parking braking actuating mechanism.

Background

Along with the development of automotive electronics, an electronic parking brake system is gradually replacing a traditional hand brake parking brake system, in the electronic parking brake system, a rear caliper integrated electronic parking brake is applied more, an electric motor is adopted as a power source, power is output through the speed reduction and distance increase of a speed reduction mechanism, the electric motor and the speed reduction mechanism transmit power through a gear or a toothed belt, and the rotation center between the electric motor and the speed reduction mechanism needs to be accurately positioned to ensure the transmission efficiency and ensure the positioning accuracy between the electric motor and the speed reduction mechanism.

Prior art application No. CN201910368334.7 discloses an electronic parking actuating mechanism for a vehicle braking system, which mainly comprises a motor end cover, a vibration damping pad, a motor, a shell, a small belt wheel, a transmission belt, a large belt wheel, an upper cover, a speed reducing mechanism, an outer gear ring, a planetary gear and a planet carrier, wherein the motor end cover is provided with the vibration damping pad, the vibration damping pad is provided with the motor, the motor is fixedly connected with the shell, and a motor shaft of the motor is provided with the small belt wheel.

The automobile brake device has the advantages that large friction can be generated between the automobile brake device and a brake ratchet wheel when the automobile is braked, the part of the device is lack of the ratchet wheel to be lubricated and maintained, the ratchet wheel is easily damaged, the brake step of the existing part of the brake device is complex, the brake function is poor in efficiency and poor in brake effect, emergency braking needs to be carried out on the automobile when the automobile is driven to meet emergency, and the reinforced emergency brake device needs to be arranged.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a parking braking actuating mechanism here.

The utility model discloses a realize like this, construct a parking braking actuating mechanism, the device includes cylinder base main part, top cap, installation section of thick bamboo, pivot, ratchet and connecting pipe, the terminal surface welding has the top cap before the cylinder base main part, the terminal surface through-hole welding has the installation section of thick bamboo before the top cap, the terminal surface is equipped with the pivot before the top cap, the installation section of thick bamboo internal rotation is provided with the ratchet, lubricating arrangement locates the terminal surface before the ratchet, terminal surface before the emergency braking device locates the top cap, lubricating arrangement includes self-lubricating thrust packing ring, lasso, medium plate, oil storage tank, oil blanket, sealing washer and retaining ring, the terminal surface glues glutinous self-lubricating thrust packing ring before the ratchet, the terminal surface welding has the lasso before the ratchet, the pivot glues glutinous connection with the medium plate medial surface, be equipped with the oil storage tank in the medium plate, the terminal surface glues glutinous oil blanket before the medium plate, the pivot is glued glutinous with the sealing washer medial surface and is connected, the lasso medial surface welds mutually with the retaining ring.

Preferably, the rotating shaft is welded with the inner side face of the ratchet wheel, and a connecting pipe is installed on a left end pipeline of the outer side face of the installation cylinder.

Preferably, the emergency braking device comprises a braking cylinder, a gas receiving pipe, an energy storage spring, a piston rod, a connecting rod, a groove block, a connecting spring, a limiting block and a pawl, the braking cylinder is welded on the front end face of the top cover, the right side of the braking cylinder is connected with a connecting pipe pipeline, and the gas receiving pipe is installed on the right side of the braking cylinder through a pipeline.

Preferably, an energy storage spring is fixedly arranged on the left side in the brake cylinder, the right side of the energy storage spring is elastically connected with the left side of the piston rod, a connecting rod is welded on the left side in the brake cylinder, and the connecting rod is slidably connected with a through groove in the center of the left side of the piston rod.

Preferably, a groove block is fixed on the right side of the piston rod through a bolt, a connecting spring is welded on the left side of the groove block, the left side of the connecting spring is elastically connected with the right side of the piston rod, the connecting pipe is welded with the top of the limiting block, and a pawl is welded on the right side of the groove block.

Preferably, the number of the oil storage grooves in the middle plate is twenty, and the twenty oil storage grooves are uniformly distributed in the middle plate.

Preferably, the left end and the right end of the outer side surface of the piston rod are both adhered with sealing rings.

Preferably, the surface of the connecting rod is uniformly covered with an oily coating, and the oily coating is in sliding contact with the through groove of the piston rod.

Preferably, the length of the connecting rod is larger than that of the through groove in the center of the left side of the piston rod.

Preferably, the connecting rod is made of stainless steel.

Preferably, the material of the brake cylinder is stainless steel.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a parking braking actuating mechanism here, compare with equipment of the same type, have following improvement:

a parking braking actuating mechanism, through having set up lubricating arrangement terminal surface before the ratchet, lubricate the ratchet through oil storage tank and self-lubricating thrust washer in the medium plate, be of value to like this and lubricate the maintenance to the ratchet, prevent that the ratchet from producing the cost of maintenance that reduces spare part because of great friction, improved the lubrication efficiency of device.

A parking braking actuating mechanism, through having set up emergency braking device terminal surface before the top cap, through connecing trachea and energy storage spring to drive piston rod and pawl and remove and carry out spacing locking to the ratchet, be favorable to carrying out parking braking to the vehicle like this, improved the security of vehicle when driving, effectively improved the efficiency that the vehicle carries out parking braking, the reliability of guarantee emergency braking device operation has improved the utilization ratio in device space.

Drawings

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

FIG. 2 is a schematic perspective view of the ratchet and lubrication device of the present invention;

fig. 3 is a schematic bottom view of the lubricating device of the present invention;

fig. 4 is a schematic view of the internal structure of the emergency braking device of the present invention;

fig. 5 is a schematic perspective view of the piston rod of the present invention.

Wherein: the cylinder seat comprises a cylinder seat main body-1, a top cover-2, an installation cylinder-3, a lubricating device-4, an emergency braking device-5, a rotating shaft-6, a connecting pipe-7, a ratchet wheel-8, a self-lubricating thrust washer-41, a ferrule-42, a middle plate-43, an oil storage groove-44, an oil seal-45, a sealing ring-46, a retainer ring-47, a braking cylinder-51, an air connecting pipe-52, an energy storage spring-53, a piston rod-54, a connecting rod-55, a groove block-56, a connecting spring-57, a limiting block-58 and a pawl-59.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

please refer to fig. 1, fig. 2 and fig. 4, the utility model discloses a parking braking actuating mechanism, including cylinder base main part 1, top cap 2, installation cylinder 3, pivot 6, connecting pipe 7 and ratchet 8, the end face welding has top cap 2 before cylinder base main part 1, the end face through-hole welding has installation cylinder 3 before top cap 2, the terminal surface is equipped with pivot 6 before top cap 2, the internal rotation of installation cylinder 3 is provided with connecting pipe 7, pivot 6 and the welding of connecting pipe 7 medial surface, ratchet 8 is installed to 3 lateral surface left end pipelines of installation cylinder.

Please refer to fig. 1, fig. 2 and fig. 3, the utility model discloses a parking braking actuating mechanism, lubricating arrangement 4 locates the preceding terminal surface of connecting pipe 7, emergency braking device 5 locates the preceding terminal surface of top cap 2, lubricating arrangement 4 includes self-lubricating thrust washer 41, the lasso 42, the medium plate 43, oil storage tank 44, oil blanket 45, sealing washer 46 and retaining ring 47, the terminal surface glues glutinous self-lubricating thrust washer 41 that has before the connecting pipe 7, self-lubricating thrust washer 41 lubricates connecting pipe 7, the end face welding has lasso 42 before the connecting pipe 7, pivot 6 is connected with the medial surface of medium plate 43 glues glutinous, be equipped with oil storage tank 44 in the medium plate 43, the terminal surface glues glutinous oil blanket 45 before the medium plate 43, oil blanket 45 helps preventing the lubricating grease outflow of oil storage tank 44 in the medium plate 43, pivot 6 is connected with the medial surface of sealing washer 46 glues glutinous, lasso 42 is welded with retaining ring 47 mutually, the figure of the inside oil storage tank 44 of medium plate 43 is provided with twenty, and twenty oil storage tank 44 evenly distributed in medium plate 43, be of being of beneficial to ensuring lubricating arrangement 4 has sufficient lubricating grease to use.

Referring to fig. 1, 4 and 5, the parking brake actuator of the present invention includes an emergency brake device 5 including a brake cylinder 51, an air receiving pipe 52, an energy storage spring 53, a piston rod 54, a connecting rod 55, a groove block 56, a connecting spring 57, a limiting block 58 and a pawl 59, the brake cylinder 51 is welded on the front end surface of the top cover 2, the right side of the brake cylinder 51 is connected with the ratchet 8, the air receiving pipe 52 is installed on the right side of the brake cylinder 51, the energy storage spring 53 is installed and fixed on the left side of the brake cylinder 51, the right side of the energy storage spring 53 is elastically connected with the left side of the piston rod 54, the piston rod 54 is driven to move by the elastic force of the energy storage spring 53, the connecting rod 55 is welded on the left side of the brake cylinder 51, the connecting rod 55 is slidably connected with the center through groove on the left side of the piston rod 54, the connecting rod 55 provides a limiting effect for the movement of the piston rod 54, piston rod 54 right side bolt fastening has groove block 56, groove block 56 left side welding has coupling spring 57, coupling spring 57 left side and piston rod 54 right side elastic connection, ratchet 8 welds mutually with stopper 58 top, groove block 56 right side welding has pawl 59, the lateral surface left end and the right-hand member of piston rod 54 all glue and have the sealing washer, help improving emergency brake device 5's gas tightness, connecting rod 55 surface evenly covers has one deck oily coating, and this oily coating and piston rod 54 logical groove sliding contact, slide between piston rod 54 and the connecting rod 55 through oily coating provides antifriction effect, the length size of connecting rod 55 is greater than the length size of piston rod 54 left side center logical groove, provide stability when moving for piston rod 54 through connecting rod 55.

Example two:

the utility model discloses a parking braking actuating mechanism,

piston rod

54 and 8 medial surface sliding connection of ratchet help piston rod 54 to remove at ratchet 8, and recess piece 56 top and 8 medial surface sliding connection of ratchet are of value to the piston rod 54 that removes and drive recess piece 56 and remove, stopper 58 bottom and 59 top sliding connection of pawl, and the terminal surface is equipped with retaining ring 47 before the connecting pipe 7, and retaining ring 47 helps providing the protecting effect for lubricating arrangement 4.

The utility model provides a parking brake actuating mechanism through improvement, and the working principle is as follows;

firstly, when the equipment is used, the equipment is placed in a working area, and then the device is connected with an external power supply, so that the power supply required by the work of the equipment can be provided;

secondly, when a user drives a vehicle, the engine drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the connecting pipe 7 to rotate, the connecting pipe 7 is frequently rubbed when the connecting pipe 7 is braked, lubrication and maintenance are needed, at the moment, the rotating shaft 6 drives the connecting pipe 7 and the self-lubricating thrust washer 41 to simultaneously rotate, lubricating grease in the self-lubricating thrust washer 41 gradually flows to the surface and the tooth space of the connecting pipe 7 to lubricate and maintain the connecting pipe 7, the lubricating grease stored in the oil storage groove 44 in the middle plate 43 is slowly released into the self-lubricating thrust washer 41 to supplement the lubricating grease in the self-lubricating thrust washer 41, so that the connecting pipe 7 is lubricated, the connecting pipe 7 is prevented from being damaged due to large friction, the maintenance cost of parts is reduced, and the lubrication efficiency of the device is improved;

thirdly, when the vehicle needs to be braked emergently during driving, the user controls to close the air inlet pipe 52 to feed air, the pressure of the air inlet pipe 52 is reduced to zero, then the piston rod 54 drives the pawl 59 to move rightwards under the action of the elastic force of the energy storage spring 53 and the connecting spring 57, the pawl 59 is clamped with the tooth socket of the connecting pipe 7, the pawl 59 limits the rotation of the connecting pipe 7, the connecting pipe 7 is in a locked state, and the parking brake of the vehicle is finished;

fourthly, when the parking brake needs to be stopped, a user controls the air receiving pipe 52 to be opened for air inlet, the piston rod 54 drives the pawl 59 to move leftwards under the pressure of air, the pawl 59 leaves the tooth groove of the connecting pipe 7 at the moment, then the connecting pipe 7 stops a locking state, and the parking brake of the vehicle is released, so that the parking brake of the vehicle is favorably carried out, the safety of the vehicle during driving is improved, the efficiency of the parking brake of the vehicle is effectively improved, the reliability of the operation of the emergency brake device is guaranteed, and the utilization rate of the space of the device is improved.

The utility model provides a parking brake actuating mechanism through improving, has set up lubricating arrangement 4 in the front end face of connecting pipe 7, lubricate connecting pipe 7 through oil storage tank 44 and self-lubricating thrust washer 41 in the medium plate 43, it is beneficial to lubricating the maintenance to connecting pipe 7 like this, prevent connecting pipe 7 from producing the maintenance cost that damages and reduce the spare part because of great friction, has improved the lubrication efficiency of the device; the emergency braking device 5 is arranged on the front end face of the top cover 2, the piston rod 54 and the pawl 59 are driven to move through the air receiving pipe 52 and the energy storage spring 53 to carry out limiting locking on the connecting pipe 7, parking braking on a vehicle is facilitated, safety of the vehicle during driving is improved, efficiency of parking braking on the vehicle is effectively improved, reliability of operation of the emergency braking device is guaranteed, and utilization rate of device space is improved.

The fundamental principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can be purchased from the market, and dysmorphism piece is according to the description of specification and the record of attached drawing all can be customized, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, and conventional model, including the conventional connected mode among the prior art of circuit connection adoption, do not detailed again here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A parking braking actuating mechanism comprises a cylinder base main body (1) and a connecting pipe (7), wherein a top cover (2) is welded on the front end face of the cylinder base main body (1), an installation cylinder (3) is welded on a through hole on the front end face of the top cover (2), a rotating shaft (6) is arranged on the front end face of the top cover (2), and a ratchet wheel (8) is rotatably arranged in the installation cylinder (3); the method is characterized in that: still include lubricating arrangement (4) and emergency braking device (5), the terminal surface before ratchet (8) is located in lubricating arrangement (4), the terminal surface before top cap (2) is located in emergency braking device (5), lubricating arrangement (4) are including self-lubricating thrust washer (41) and retaining ring (47), the terminal surface glues glutinous self-lubricating thrust washer (41) before ratchet (8), the terminal surface welding has lasso (42) before ratchet (8), pivot (6) are connected with middle plate (43) medial surface glues glutinous, be equipped with oil storage tank (44) in middle plate (43), the terminal surface glues glutinous oil blanket (45) before middle plate (43), pivot (6) are connected with sealing washer (46) medial surface glues glutinous, lasso (42) medial surface welds mutually with retaining ring (47).

2. The parking brake actuator of claim 1, wherein: the rotating shaft (6) is welded with the inner side face of the ratchet wheel (8), and a connecting pipe (7) is installed on a pipeline at the left end of the outer side face of the installation cylinder (3).

3. The parking brake actuator of claim 1, wherein: the emergency braking device (5) comprises a braking cylinder (51) and a pawl (59), the braking cylinder (51) is welded on the front end face of the top cover (2), the right side of the braking cylinder (51) is connected with a connecting pipe (7) through a pipeline, and an air receiving pipe (52) is installed on the right side of the braking cylinder (51) through a pipeline.

4. The parking brake actuator of claim 3, wherein: the brake device is characterized in that an energy storage spring (53) is fixedly arranged on the left side in the brake cylinder (51), the right side of the energy storage spring (53) is elastically connected with the left side of the piston rod (54), a connecting rod (55) is welded on the left side in the brake cylinder (51), and the connecting rod (55) is slidably connected with a central through groove in the left side of the piston rod (54).

5. The parking brake actuator of claim 4, wherein: the right side of the piston rod (54) is fixed with a groove block (56) through a bolt, a connecting spring (57) is welded on the left side of the groove block (56), the left side of the connecting spring (57) is elastically connected with the right side of the piston rod (54), the connecting pipe (7) is welded with the top of the limiting block (58), and a pawl (59) is welded on the right side of the groove block (56).

6. The parking brake actuator of claim 1, wherein: the number of the oil storage grooves (44) in the middle plate (43) is twenty, and the twenty oil storage grooves (44) are uniformly distributed in the middle plate (43).

7. The parking brake actuator of claim 4, wherein: and sealing rings are adhered to the left end and the right end of the outer side surface of the piston rod (54).

8. The parking brake actuator of claim 4, wherein: the surface of the connecting rod (55) is uniformly covered with an oily coating, and the oily coating is in sliding contact with the through groove of the piston rod (54).

9. The parking brake actuator of claim 4, wherein: the length of the connecting rod (55) is larger than that of the through groove in the center of the left side of the piston rod (54).