CN209799508U - parking stall lock with separation and reunion function - Google Patents

Abstract

The utility model relates to a parking stall lock technical field especially relates to a parking stall lock with separation and reunion function, the on-line screen storage device comprises a base, keep off the arm, the pivot and set up in the actuating mechanism of base, but the pivot is rotationally erected on the base, keep off arm and pivot fixed connection, actuating mechanism includes drive unit and clutch assembly, clutch assembly includes from driving wheel and clutch pulley, establishes from the driving wheel cover and is fixed in the pivot, the clutch pulley is connected with the drive unit transmission, the clutch pulley prevents from transmitting power to the separation part of clutch pulley and being used for and the transmission part of being connected from the driving wheel transmission under being used for the locking state. The utility model discloses simple structure is favorable to improving drive unit's life, prevents that the parking stall from being occupied.

Description

Parking stall lock with separation and reunion function

Technical Field

The utility model relates to a parking stall lock technical field especially relates to a parking stall lock with separation and reunion function.

Background

Along with the development of economy, the improvement of people's material living standard, the car has got into more and more ordinary families, along with the improvement of the per capita car ownership, the problem that the parking stall is few, it is difficult to park is more and more outstanding, especially in some old districts that the parking stall is less and business building that vehicle density is great, the problem of parkking is especially outstanding. Sometimes even a rented or purchased parking space is "temporarily" occupied by a person, while the own car is parked everywhere. In order to ensure that a person has a parking space to park, a plurality of parking space locks for occupying the parking space appear on the market. When the parking stall lock among the prior art received external force to suppress by force keeping off the arm, kept off the arm and can drive unit and rotate, caused the drive unit to damage easily, increased the risk of drive unit damage, influence parking stall lock's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a help protecting drive unit, improve parking stall lock life's a parking stall lock with clutch function.

In order to realize the above-mentioned purpose, the utility model provides a parking stall lock with clutch function, include base, fender arm, pivot and set up in the actuating mechanism of base, but pivot swivelling joint is in on the base, keep off arm and pivot fixed connection, actuating mechanism includes drive unit and clutch components, clutch components includes from driving wheel and clutch pulley, establish from the driving wheel cover and be fixed in the pivot, the clutch pulley is connected with the drive unit transmission, the clutch pulley prevents from driving the separation part of driving wheel transmission power to clutch pulley and being used for and the transmission portion of being connected from the driving wheel transmission under being used for the locking state.

Optionally, the outer circumferential surface of the transmission part forms a first friction surface, the outer circumferential surface of the driven wheel forms a second friction surface, and the first friction surface and the second friction surface are in friction transmission.

Optionally, a gap is provided between the outer circumferential surface of the separating portion and the second friction surface.

optionally, the outer circumferential surface of the separating portion is arranged to slide on the second friction surface.

Optionally, the transmission part is meshed with the driven wheel.

Optionally, the transmission part and the separation part are coaxially arranged, and the outer diameter of the transmission part is larger than that of the separation part.

Optionally, the ratio of the circumferential length of the outer circumference of the transmission part to the circumferential length of the outer circumference of the driven wheel is 1-1.5: 4.

Optionally, a counterweight is installed on one side of the rotating shaft, which is back to the blocking arm.

Optionally, the base is provided with a balance spring, and one end of the balance spring is connected with the rotating shaft.

Implement the utility model discloses an embodiment has following technological effect:

Because the output rotating speed of a general driving unit is unidirectional output, if a driven wheel drives a clutch wheel to forcibly drive an output shaft of the driving unit to rotate, the internal transmission structure of the driving unit is easily damaged, therefore, the clutch wheel is provided with a separation part and a transmission part, when a blocking arm is pressed by external force in a locking state of a parking spot lock, a rotating shaft rotates to drive the driven wheel to rotate, at the moment, the separation part of the clutch wheel enables the driven wheel not to transmit power to the driving unit, thereby protecting the driving unit from the forcible driving of the external force, and being beneficial to prolonging the service life of the driving unit.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is an enlarged schematic view at B in fig. 3.

Description of reference numerals:

1. base, 2, fender arm, 3, pivot, 4, actuating mechanism, 41, drive unit, 42, clutch assembly, 421, follow driving wheel, 422, clutch pulley, 423, disengagement portion, 424, transmission portion, 5, balancing weight.

Detailed Description

the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

Referring to fig. 1 and fig. 2, the embodiment provides a parking space lock with clutch function, including base 1, keep off arm 2, pivot 3 and set up in actuating mechanism 4 of base 1, pivot 3 is rotatable to be erect on base 1, keep off arm 2 and pivot 3 fixed connection, actuating mechanism 4 includes drive unit 41 and clutch assembly 42, clutch assembly 42 includes from driving wheel 421 and clutch pulley 422, from driving wheel 421 cover establish and be fixed in pivot 3, clutch pulley 422 is connected with drive unit 41 transmission, clutch pulley 422 is including being used for preventing from the separation portion 423 of driving wheel 421 transmission power to clutch pulley 422 and being used for with the transmission portion 424 of driving wheel 421 transmission connection under the locking state. Because the general output rotation speed of the driving unit 41 is unidirectional output, if the driven wheel 421 drives the clutch wheel 422 to forcibly drive the output shaft of the driving unit 41 to rotate, which is likely to cause damage to the internal transmission structure of the driving unit 41, the clutch wheel 422 is provided with the separating portion 423 and the transmission portion 424, when the arm 2 is pressed by external force in the locked state of the parking lock, the rotating shaft 3 rotates to drive the driven wheel 421 to rotate, at this time, the separating portion 423 of the clutch wheel 422 prevents the driven wheel 421 from transmitting power to the driving unit 41, thereby protecting the driving unit 41 from being forcibly driven by external force, which is beneficial to improving the service life of the driving unit 41, and in addition, when the parking lock needs to enter the locked state from the unlocked state, the driving unit 41 drives the clutch wheel 422 to rotate, at this time, the transmission portion 424 of the clutch wheel 422 is in transmission connection with the driven wheel 421, thereby driving the rotating, the parking space is prevented from being occupied.

In this embodiment, the outer circumferential surface of the transmission part 424 forms a first friction surface, the outer circumferential surface of the driven wheel 421 forms a second friction surface, when the clutch wheel 422 and the driven wheel 421 need to perform transmission, the first friction surface and the second friction surface contact to form friction transmission, and the moment generated by friction is greater than the moment required by the rotation of the driving rotating shaft 3, so as to achieve the purpose of driving the rotating shaft 3 to rotate, wherein the center distance between the rotation center of the clutch wheel 422 and the rotation center of the driven wheel 421 is smaller than the sum of the radii of the first friction surface and the second friction surface, so that when the clutch wheel 422 rotates, the pressure between the first friction surface and the second friction surface is increased to increase the friction force generated between the first friction surface and the second friction surface, thereby improving the efficiency of driving the rotating shaft;

Meanwhile, when the clutch wheel 422 and the driven wheel 421 do not need to transmit, at this time, the outer circumferential surface of the separating portion 423 is opposite to the second friction surface, and a gap is formed between the outer circumferential surface of the separating portion 423 and the second friction surface, so that when the outer circumferential surface of the separating portion 423 is opposite to the second friction surface, the driven wheel 422 rotates under the action of external force and cannot transmit power to the clutch wheel, and the driven wheel 422 is prevented from driving the clutch wheel 423 and the driving unit 41 to rotate reversely, and damaging the driving unit 41 and the transmission structure, it can be understood that a person skilled in the art can also contact the outer circumferential surface of the separating portion 423 and the second friction surface to generate a friction force as small as possible by processing the outer circumferential surface of the separating portion 423 as smooth as possible, so as to prevent the driven wheel and the separating portion 423 from transmitting power;

Therefore, in this embodiment, on one hand, the power of the driving unit 41 is transmitted to the driven wheel 421 through a friction transmission manner, when the rotation of the arm 2 receives an external resistance, and the resistance is greater than the power transmitted through the friction transmission between the clutch wheel 422 and the driven wheel 421, the clutch wheel 422 and the driven wheel 421 realize overload slipping, the driving unit 41 still outputs normal power, the phenomenon that the driving unit 41 is in a locked-rotor state for a long time is avoided, and the driving unit 41 is prevented from being overloaded and causing damage to the driving unit 41; on the other hand, the friction transmission is low in noise, and the use experience is better; on the other hand, the separation portion 423 is separated from or in sliding contact with the transmission wheel 421, so that the driven wheel 421 is prevented from transmitting torque to the clutch wheel 422 and the driving unit 41, and damage to the driving unit 41 and the transmission structure is avoided.

Furthermore, the clutch wheel and the driven wheel of the embodiment are made of a PU polyurethane material, the first friction surface and the second friction surface formed by the PU polyurethane material have a relatively large friction coefficient, and the generated friction torque easily meets the torque requirement required by the rotation of the driving rotating shaft 3, so as to achieve the purpose of driving the rotation of the rotating shaft 3.

Referring to fig. 2, further, the ratio of the circumferential length of the outer circumference of the transmission part 424 to the circumferential length of the outer circumference of the driven wheel 421 is 1-1.5: 4, when the ratio of the circumferential length of the outer circumference of the transmission part 424 to the circumferential length of the outer circumference of the driven wheel 421 is 1:4, the transmission connection between the transmission part 424 and the driven wheel 421 starts to ends, and the driven wheel 421 rotates by 90 °, so as to drive the blocking arm 2 to rotate by 90 ° to achieve the erection of the blocking arm 2, it can be understood that, in order to cope with the friction transmission between the first friction surface and the second friction surface, a relative sliding occurs between the first friction surface and the second friction surface, therefore, the ratio of the circumferential length of the outer circumference of the transmission part 424 to the circumferential length of the outer circumference of the driven wheel 421 is 1-1.5: 4.

In the embodiment, a counter weight 5 is installed on one side of a rotating shaft 3, which is opposite to a baffle arm 2, so that the two sides of the rotating shaft 3 keep stress balance without external force, the energy consumption for driving the rotating shaft 3 to rotate is reduced, energy is further saved, and the endurance of a functional unit is improved, it can be understood that the counter weight 5 can be replaced by a balance spring, the balance spring of the embodiment is a constant force spring (the constant force spring is a special extension spring which is composed of spiral metal sheets, the inner sides of the metal sheets are bent, so that each circle of metal sheet is tightly wound on a circle of metal sheet in the metal sheet, when the metal sheets are extended, the internal stress resists the load force, and the extension coefficient is close to constant), the constant force spring is installed on a base 1, one end of the constant force spring is connected with the rotating shaft 3, the resilience force generated by the constant force spring replaces the gravity generated by the counter weight 5 to, the torque is opposite to the torque direction formed by the baffle arm 2 on the rotating shaft 3, so that the torques on two sides of the rotating shaft 3 are mutually offset, the torque formed by the baffle arm 2 on the rotating shaft 3 is reduced or even offset, and the output torque of a driving unit for driving the rotating shaft 3 to rotate is reduced. .

Example 2:

referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that the transmission part 424 is engaged with the driven wheel 421, the transmission efficiency of the engagement transmission is high, the service life is long, the instantaneous transmission ratio can be ensured to be constant, and the energy consumption can be reduced, wherein the transmission part 424 and the separation part 423 are coaxially arranged, the outer diameter of the transmission part 424 is larger than that of the separation part 423, so that in the locking state, the separation part 423 is not engaged with the driven wheel 421, and the driven wheel 421 transmits the torque to the clutch wheel 422 and the driving unit 41 to damage the driving unit 41 and the transmission structure when the barrier arm 2 is pressed by an external force is avoided.

To sum up, the utility model discloses simple structure, clutch pulley 422 is equipped with separation portion 423 and transmission portion 424, under parking stall lock locking state, when keeping off arm 2 and receiving the external force suppression, 3 rotations of pivot drive from driving wheel 421 rotations, at this moment, clutch pulley 422's separation portion 423 makes from driving wheel 421 unable to transmit drive unit 41 with power, thereby protection drive unit 41 does not receive the compulsory drive of external force, be favorable to improving drive unit 41's life, in addition, when parking stall lock need get into the locking state from the unblock state, drive unit 41 drives clutch pulley 422 and rotates, clutch pulley 422's transmission portion 424 and follow driving wheel 421 transmission are connected this moment, thereby drive pivot 3 rotates, make arm 2 stick up, prevent that the parking stall from being occupied.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a parking stall lock with separation and reunion function, a serial communication port, include the base, keep off arm, pivot and set up in the actuating mechanism of base, the pivot is rotatable erect in on the base, keep off arm and pivot fixed connection, actuating mechanism includes drive unit and clutch components, clutch components is including following driving wheel and clutch pulley, establish from the driving wheel cover and be fixed in the pivot, clutch pulley is connected with the drive unit transmission, clutch pulley prevents under being used for the locking state from driving wheel transmission power to clutch pulley's disengagement part and being used for and the transmission portion of being connected from the driving wheel transmission.

2. the parking space lock with clutch function as claimed in claim 1, wherein the outer circumference of the transmission part forms a first friction surface, the outer circumference of the driven wheel forms a second friction surface, and the first friction surface and the second friction surface are in friction transmission.

3. the parking space lock with clutch function as claimed in claim 2, wherein a gap is provided between the outer circumferential surface of the separating portion and the second friction surface.

4. The parking space lock with clutch function as claimed in claim 2, wherein the outer circumferential surface of the separating portion is slidably disposed with the second friction surface.

5. The parking space lock with clutch function as recited in claim 1, wherein the transmission part is engaged with the driven wheel.

6. The parking space lock with clutch function according to claim 5, wherein the transmission part and the separation part are coaxially arranged, and the outer diameter of the transmission part is larger than that of the separation part.

7. The parking space lock with the clutch function according to any one of claims 1 to 6, wherein the ratio of the circumference of the outer circumference of the transmission part to the circumference of the outer circumference of the driven wheel is 1-1.5: 4.

8. the parking space lock with clutch function as claimed in claim 1, wherein a weight block is installed on a side of the rotating shaft facing away from the blocking arm.

9. The parking space lock with clutch function as claimed in claim 1, wherein the base is provided with a balance spring, and one end of the balance spring is connected with the rotating shaft.