Pneumatic unlocking mechanism and vehicle lift

Abstract

The embodiment of the present invention provides a pneumatic unlocking mechanism and a vehicle lift, which relates to the field of vehicle lifting. The pneumatic unlocking mechanism is arranged on the outer side of the column of the vehicle lift, and comprises: at least one first pneumatic mechanism, the first pneumatic mechanism comprises a first cylinder component, a lock body and a rotating shaft; the lock body comprises a rod body, a lock head located at the first end of the rod body and a rotating part located at the second end of the rod body; the driving end of the first cylinder component is fixedly connected to the rotating part of the lock body; the rotating shaft passes through the rotating part of the lock body and is hinged with the rotating part; when the driving end of the first cylinder component moves downward, it drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side of the column, and the pulley mechanism of the vehicle lift is unlocked. The problem that the existing vehicle lift unlocking mechanism can only be unlocked individually, is inconvenient to use and has high operating risks is solved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of vehicle lifting, and in particular to a pneumatic unlocking mechanism and a vehicle lift. Background Art

[0002] In the prior art, there are many types of vehicle lifts manufactured and used at home and abroad, with different structures. Most vehicle lifts on the market are equipped with safety locks and unlocking devices, and the unlocking methods include electromagnetic unlocking and manual unlocking. Most manual unlocking devices use mechanical wire ropes to unlock each lift column separately, which is very inconvenient to use, and requires going under the lifted vehicle or to the side at a very close distance to perform the unlocking operation, which has certain operating risks. Summary of the invention

[0003] The embodiments of the present invention provide a pneumatic unlocking mechanism and a vehicle lift to solve the problem that the existing vehicle lift unlocking mechanism can only be unlocked individually, is inconvenient to use and has high operating risks.

[0004] In order to solve the above-mentioned technical problems, the present invention is achieved as follows:

[0005] In a first aspect, an embodiment of the present invention provides a pneumatic unlocking mechanism, which is arranged on the outer side of a column of a vehicle lift, and includes: at least one first pneumatic mechanism, the first pneumatic mechanism including a first cylinder component, a lock body and a rotating shaft;

[0006] The lock body comprises a rod body, a lock head located at a first end of the rod body, and a rotating part located at a second end of the rod body;

[0007] The driving end of the first cylinder component is fixedly connected to the rotating part of the lock body;

[0008] The rotating shaft passes through the rotating part of the lock body and is hinged to the rotating part;

[0009] When the driving end of the first cylinder component moves downward, it drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side surface of the column, and the pulley mechanism of the vehicle lift is unlocked.

[0010] Optionally, it also includes: an air source pipe and a second pneumatic mechanism;

[0011] The second pneumatic mechanism is connected to each of the first pneumatic mechanisms through the air source pipe, and is used to pressurize air into the first pneumatic mechanism.

[0012] Optionally, it also includes: a connecting piece;

[0013] One end of the connecting member is fixedly connected to the rotating part of the lock body, and the other end of the connecting member is fixedly connected to the driving end of the first cylinder component.

[0014] Optionally, it also includes: a spring;

[0015] The spring is used to press the lock head of the lock body into the lock hole on the outer side of the column, so that the pulley mechanism of the vehicle lift is locked in a fixed position.

[0016] Optionally, it also includes: a first mounting member;

[0017] The first mounting member includes a first bottom plate and two first side plates respectively fixed perpendicularly to the first bottom plate;

[0018] Both ends of the rotating shaft and / or both ends of the first cylinder component are respectively sleeved in the two first side plates;

[0019] The first base plate is used to fix the first pneumatic mechanism on the outer side of the column. Optionally, the second pneumatic mechanism includes: a second mounting member, a handle, a second cylinder component and a cylinder pull rod;

[0020] The second mounting member includes a second bottom plate, a second top plate vertically fixed to the second bottom plate, and two second side plates vertically fixed to the second bottom plate;

[0021] The second base plate is used to fix the second pneumatic mechanism on the vehicle lift;

[0022] Two ends of the handle are respectively hinged on the two second side panels;

[0023] One end of the second cylinder component is hinged on the second top plate, a cylinder pull rod is provided through the driving end of the second cylinder component, and the cylinder pull rod is fixed to the middle part of the handle;

[0024] When the handle is pulled downward, the driving end of the second cylinder component is driven to move downward.

[0025] In a second aspect, an embodiment of the present invention provides a vehicle lift, comprising a pneumatic unlocking mechanism as described in any one of the first aspects. Optionally, the pneumatic unlocking mechanism comprises two first pneumatic mechanisms, a second pneumatic mechanism and an air source pipe;

[0026] One end of the air source pipe is connected to the second air source connector of the second pneumatic mechanism, and the second end and the third end are respectively connected to the first air source connectors of the two first pneumatic mechanisms.

[0027] Optionally, the first pneumatic mechanism is arranged on the outer side of the vehicle lift;

[0028] A first locking hole is provided on the outer side surface of the column to which the first pneumatic mechanism is fixed;

[0029] When the lock head of the lock body is pressed into the first lock hole, the pulley mechanism of the vehicle lift is locked in a fixed position;

[0030] When the second pneumatic mechanism presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body disengages from the first lock hole, and the pulley mechanism of the vehicle lift is unlocked.

[0031] Optionally, it also includes a pulley mechanism arranged on the inner side of each column;

[0032] The pulley mechanism is provided with a plurality of second locking holes;

[0033] When the lock head of the lock body is pressed into a second lock hole through the first lock hole, the pulley mechanism of the vehicle lift is locked in a fixed position;

[0034] When the second pneumatic mechanism presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body disengages from a second lock hole of the pulley mechanism through the first lock hole, and the pulley mechanism of the vehicle lift is unlocked.

[0035] In the embodiment of the present invention, when the driving end of the first cylinder component moves downward, the pneumatic unlocking mechanism drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side of the column, and the pulley mechanism of the vehicle lift is unlocked. The pneumatic unlocking mechanism uses a cylinder to achieve unlocking, but no additional air source device is required. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, and is installed on the side of the lift, making the unlocking operation safe and risk-free, which improves the user's sense of use and experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0037] Figure 1 One of the structural schematic diagrams of a pneumatic unlocking mechanism provided by an embodiment of the present invention;

[0038] Figure 2One of the structural schematic diagrams of a vehicle lift provided by an embodiment of the present invention;

[0039] Figure 3 A second structural schematic diagram of a pneumatic unlocking mechanism provided by an embodiment of the present invention;

[0040] Figure 4 This is one of the structural schematic diagrams of a second pneumatic mechanism provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Please refer to Figure 1 , Figure 1 One of the structural schematic diagrams of a pneumatic unlocking mechanism provided by an embodiment of the present invention;

[0043] See also Figure 2 , Figure 2 One of the structural schematic diagrams of a vehicle lift provided in an embodiment of the present invention includes: a column 10, a first pneumatic mechanism 20, a second pneumatic mechanism 30, an air source pipe 40, a pulley mechanism 50 and a support mechanism 60 fixed on the pulley mechanism.

[0044] The embodiment of the present invention provides a pneumatic unlocking mechanism, which is arranged on the outer side of the column 10 of the vehicle lift, and includes: at least one first pneumatic mechanism 20, wherein the first pneumatic mechanism 20 includes a first cylinder component 21, a lock body 22 and a rotating shaft 23;

[0045] The lock body 22 includes a rod body 221, a lock head 222 located at a first end of the rod body 221, and a rotating part 223 located at a second end of the rod body 221;

[0046] The driving end 214 of the first cylinder component 21 is fixedly connected to the rotating portion 223 of the lock body 22;

[0047] The rotating shaft 23 passes through the rotating portion 223 of the lock body 22 and is hinged to the rotating portion 223;

[0048] When the driving end 214 of the first cylinder component 21 moves downward, it drives the lock body 22 to rotate around the rotating shaft 24, so that the lock head 222 of the lock body 22 is disengaged from the lock hole on the outer side of the column 10, and the pulley mechanism 50 of the vehicle lift is unlocked.

[0049] In the embodiment of the present invention, when the driving end of the first cylinder component moves downward, the pneumatic unlocking mechanism drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side of the column, and the pulley mechanism of the vehicle lift is unlocked. The pneumatic unlocking mechanism uses a cylinder to achieve unlocking, but no additional air source device is required. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, and is installed on the side of the lift, making the unlocking operation safe and risk-free, which improves the user's sense of use and experience.

[0050] In some embodiments of the present invention, optionally, the first cylinder component 21 includes: a first air source connector 211 , a first cylinder body 212 , a first cylinder bracket 213 and a driving end 214 .

[0051] In some embodiments of the present invention, optionally, the first cylinder body 212 is a needle-type cylinder.

[0052] In some embodiments of the present invention, optionally, further comprising: an air source pipe 40 and a second pneumatic mechanism 30;

[0053] The second pneumatic mechanism 30 is connected to each of the first pneumatic mechanisms 20 via the air source pipe 40 , so as to pressurize air into the first pneumatic mechanism 20 .

[0054] In the embodiment of the present invention, the second pneumatic mechanism is connected to each first pneumatic mechanism through an air source pipe, and is used to pressurize air into the first pneumatic mechanism, and further unlock the first pneumatic mechanism. The pneumatic unlocking mechanism can conveniently set the position of the second pneumatic mechanism through the air source pipe, without being restricted by distance, further improving the convenience and safety of the operation of the pneumatic unlocking mechanism.

[0055] In some embodiments of the present invention, optionally, the rotating portion 223 of the lock body is an integral structure with the lock body 22 .

[0056] See also Figure 3 , Figure 3 A second structural schematic diagram of a pneumatic unlocking mechanism provided by an embodiment of the present invention;

[0057] In some embodiments of the present invention, optionally, further comprising: a connecting member 224;

[0058] One end of the connecting member 224 is fixedly connected to the rotating portion 223 of the lock body 22 , and the other end of the connecting member 224 is fixedly connected to the driving end 214 of the first cylinder component 21 .

[0059] In the embodiment of the present invention, the rotating part of the lock body and the driving end of the first cylinder component are connected by a connecting piece. Compared with the driving end being directly connected to the rotating part of the lock body, the transmission influence of the driving end of the first cylinder component on the lock body itself when moving is effectively reduced.

[0060] Some embodiments of the present invention may optionally further include: a spring 24;

[0061] The spring 24 is used to press the lock head 222 of the lock body 22 into the lock hole on the outer side of the column 10, so that the pulley mechanism 50 of the vehicle lift is locked in a fixed position.

[0062] In the embodiment of the present invention, the spring is used to press the lock head back into the lock hole for reset when the lock head of the lock body is separated from the lock hole, thereby achieving locking of the pulley mechanism.

[0063] In some embodiments of the present invention, optionally, a grid sleeve 25 is sleeved on the outer side of the rotating shaft, and the grid sleeve 25 is used to eliminate the installation gap. In some embodiments of the present invention, optionally, the arrangement of the spring includes but is not limited to the form in which the spring body is sleeved on the rotating shaft or the grid sleeve of the rotating shaft, and one end is fixed or abutted on the lock body.

[0064] In some embodiments of the present invention, optionally, both ends of the rotating shaft 23 are directly fixed to the outer side surface of the column 10; the fixing method includes but is not limited to radially setting threaded holes at both ends of the rotating shaft 23, and fixing the rotating shaft to the side surface of the column by installing screws.

[0065] Some embodiments of the present invention may optionally further include: a first mounting member;

[0066] The first mounting member includes a first bottom plate and two first side plates respectively fixed perpendicularly to the first bottom plate;

[0067] Both ends of the rotating shaft 23 and / or both ends of the first cylinder component 21 are respectively sleeved in the two first side plates;

[0068] The first bottom plate is used to fix the first pneumatic mechanism 20 on the outer side of the column 10 .

[0069] In the embodiment of the present invention, the first pneumatic mechanism is fixed to the side of the column through the first mounting member, and the fixing method includes but is not limited to the two ends of the rotating shaft and / or the two ends of the first cylinder component are respectively mounted in the two first side plates of the first mounting member.

[0070] In some embodiments of the present invention, optionally, the first pneumatic mechanism 20 is installed on the side of the column 10 by fixing the two ends of the rotating shaft 23 to the two side plates of the first mounting member respectively.

[0071] In some embodiments of the present invention, optionally, the first pneumatic mechanism 20 is installed on the side of the column 10 by fixing the two ends of the first cylinder bracket 213 to the two side plates of the first mounting member respectively.

[0072] See also Figure 4 , Figure 4 One of the structural schematic diagrams of a second pneumatic mechanism provided by an embodiment of the present invention;

[0073] In some embodiments of the present invention, optionally, the second pneumatic mechanism 30 includes: a second mounting member 31, a handle 32, a second cylinder component 33 and a cylinder pull rod 34;

[0074] The second mounting member 31 includes a second bottom plate, a second top plate vertically fixed to the second bottom plate, and two second side plates vertically fixed to the second bottom plate;

[0075] The second bottom plate is used to fix the second pneumatic mechanism 30 on the vehicle lift;

[0076] Both ends of the handle 32 are hinged to the two second side panels respectively;

[0077] One end of the second cylinder component 33 is hinged on the second top plate, a cylinder pull rod 34 is provided through the driving end of the second cylinder component 33, and the cylinder pull rod 34 is fixed to the middle part of the handle 32;

[0078] When the handle 32 is pulled downward, the driving end of the second cylinder component 33 is driven to move downward.

[0079] In the embodiment of the present invention, when the handle is pulled downward, the driving end of the second cylinder component is driven to move downward, and the atmospheric pressure is pressed into the second cylinder component and then input into the first cylinder component through the air source pipe, so as to drive the first pneumatic structure. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, is not limited by distance, further improves the convenience and safety of the operation of the pneumatic unlocking mechanism, and enhances the user's sense of use and experience.

[0080] See also Figure 2 An embodiment of the present invention further provides a vehicle lift, comprising a pneumatic unlocking mechanism as described in any of the above embodiments.

[0081] In the embodiment of the present invention, when the driving end of the first cylinder component of the vehicle lift moves downward, the pneumatic unlocking mechanism drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side of the column, and the pulley mechanism of the vehicle lift is unlocked. The vehicle lift uses a cylinder to achieve unlocking, but no additional air source device is required. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, and is installed on the side of the lift, making the unlocking operation safe and risk-free, which improves the user's sense of use and experience.

[0082] In some embodiments of the present invention, optionally, the pneumatic unlocking mechanism includes two first pneumatic mechanisms 20, a second pneumatic mechanism 30 and an air source pipe 40;

[0083] One end of the air source pipe 40 is connected to the second air source connector 35 of the second pneumatic mechanism 30 , and the second end and the third end are connected to the first air source connectors 211 of the two first pneumatic mechanisms 20 , respectively.

[0084] In an embodiment of the present invention, the second pneumatic mechanism of the vehicle lift is connected to each first pneumatic mechanism through an air source pipe, and is used to pressurize air into the first pneumatic mechanism, and further unlock the first pneumatic mechanism. The pneumatic unlocking mechanism can conveniently set the position of the second pneumatic mechanism through the air source pipe, without being restricted by distance, and further improves the operational convenience and safety of unlocking the vehicle lift. When the pneumatic unlocking mechanism includes two first pneumatic mechanisms, one second pneumatic mechanism and an air source pipe, the two first pneumatic mechanisms can be driven to unlock by one second pneumatic mechanism, and a vehicle lift with a pneumatic unlocking mechanism that can be manually operated on one side is provided.

[0085] In some embodiments of the present invention, optionally, the first pneumatic mechanism 20 is arranged on the outer side of the vehicle lift;

[0086] A first locking hole is provided on the outer side of the column to which the first pneumatic mechanism 20 is fixed;

[0087] When the lock head 222 of the lock body 22 is pressed into the first lock hole, the pulley mechanism 50 of the vehicle lift is locked in a fixed position;

[0088] When the second pneumatic mechanism 30 presses air into the first pneumatic mechanism 20 through the air source pipe 40, the driving end 214 of the first cylinder component 21 moves downward, driving the lock body 22 to rotate around the rotating shaft 23, so that the lock head 222 of the lock body 22 disengages from the first lock hole, and the pulley mechanism 50 of the vehicle lift is unlocked.

[0089] In the embodiment of the present invention, when the second pneumatic mechanism of the vehicle lift presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body is disengaged from the first lock hole, and the pulley mechanism of the vehicle lift is unlocked. The vehicle lift uses a cylinder to achieve unlocking, but no additional air source device is required. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, and is installed on the side of the lift, making the unlocking operation safe and risk-free, which improves the user's sense of use and experience.

[0090] In some embodiments of the present invention, optionally, a pulley mechanism 50 is further included which is arranged on the inner side of each column 10;

[0091] The pulley mechanism 50 is provided with a plurality of second locking holes;

[0092] When the lock head 222 of the lock body 22 is pressed into a second lock hole through the first lock hole, the pulley mechanism 50 of the vehicle lift is locked in a fixed position;

[0093] When the second pneumatic mechanism 30 presses air into the first pneumatic mechanism 20 through the air source pipe 40, the driving end 214 of the first cylinder component 21 moves downward, driving the lock body 22 to rotate around the rotating shaft 23, so that the lock head 222 of the lock body 22 disengages from a second lock hole of the pulley mechanism 50 through the first lock hole, and the pulley mechanism 50 of the vehicle lift is unlocked.

[0094] In the embodiment of the present invention, when the second pneumatic mechanism presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body is disengaged from a second lock hole of the pulley mechanism through the first lock hole, and the pulley mechanism of the vehicle lift is unlocked. The vehicle lift uses a cylinder to achieve unlocking, but no additional air source device is required. The implementation method has a simple structure, is easy to install, does not require special power supply, air source and other power requirements, and is installed on the side of the lift, making the unlocking operation safe and risk-free, which improves the user's sense of use and experience.

[0095] In some embodiments of the present invention, optionally, the pulley mechanism has a plurality of second locking holes, and the pulley mechanism can regularly slide up and down along the column when the locking state is released;

[0096] When the pulley mechanism slides up and down, the lock head is pressed into different second lock holes through the first lock hole to achieve locking of the pulley mechanism at different heights.

[0097] The connection and fixing methods between the components in the above embodiments include but are not limited to threaded connection, bolt connection, screw fixing, etc.

[0098] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A pneumatic unlocking mechanism, characterized in that: The utility model is arranged on the outer side surface of the column of the vehicle lift, and comprises: at least one first pneumatic mechanism, wherein the first pneumatic mechanism comprises a first cylinder component, a lock body and a rotating shaft; The lock body comprises a rod body, a lock head located at a first end of the rod body, and a rotating part located at a second end of the rod body; The driving end of the first cylinder component is fixedly connected to the rotating part of the lock body; The rotating shaft passes through the rotating part of the lock body and is hinged to the rotating part; When the driving end of the first cylinder component moves downward, it drives the lock body to rotate around the rotating shaft, so that the lock head of the lock body is separated from the lock hole on the outer side surface of the column, and the pulley mechanism of the vehicle lift is unlocked; The pneumatic unlocking mechanism also includes: a spring, a grid sleeve, an air source pipe and a second pneumatic mechanism; The spring is used to press the lock head into the lock hole so that the pulley mechanism of the vehicle lift is locked in a fixed position; The outer side of the rotating shaft is sleeved with the grid sleeve, the spring body of the spring is sleeved on the grid sleeve, and one end is fixed or abutted on the lock body; the second pneumatic mechanism is connected to each of the first pneumatic mechanisms through the air source pipe, so as to press air into the first pneumatic mechanism; The second pneumatic mechanism comprises: a second mounting member, a handle, a second cylinder member and a cylinder pull rod; The second mounting member includes a second bottom plate, a second top plate vertically fixed to the second bottom plate, and two second side plates vertically fixed to the second bottom plate; The second base plate is used to fix the second pneumatic mechanism on the vehicle lift; Two ends of the handle are respectively hinged on the two second side panels; One end of the second cylinder component is hinged on the second top plate, a cylinder pull rod is provided through the driving end of the second cylinder component, and the cylinder pull rod is fixed to the middle part of the handle; When the handle is pulled downward, the driving end of the second cylinder component is driven to move downward.

2. The pneumatic unlocking mechanism according to claim 1, characterized in that: Also includes: Connectors; One end of the connecting member is fixedly connected to the rotating part of the lock body, and the other end of the connecting member is fixedly connected to the driving end of the first cylinder component.

3. The pneumatic unlocking mechanism according to claim 1, characterized in that: Also includes: a first mounting member; The first mounting member includes a first bottom plate and two first side plates respectively fixed perpendicularly to the first bottom plate; Both ends of the rotating shaft and / or both ends of the first cylinder component are respectively sleeved in the two first side plates; The first bottom plate is used to fix the first pneumatic mechanism on the outer side of the column.

4. A vehicle lift, characterized in that: It comprises a pneumatic unlocking mechanism as described in any one of claims 1-3.

5. The vehicle lift according to claim 4, characterized in that: The pneumatic unlocking mechanism comprises two first pneumatic mechanisms, a second pneumatic mechanism and an air source pipe; One end of the air source pipe is connected to the second air source connector of the second pneumatic mechanism, and the second end and the third end are respectively connected to the first air source connectors of the two first pneumatic mechanisms.

6. The vehicle lift according to claim 5, characterized in that: The first pneumatic mechanism is disposed on the outer side of the vehicle lift; A first locking hole is provided on the outer side surface of the column to which the first pneumatic mechanism is fixed; When the lock head of the lock body is pressed into the first lock hole, the pulley mechanism of the vehicle lift is locked in a fixed position; When the second pneumatic mechanism presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body disengages from the first lock hole, and the pulley mechanism of the vehicle lift is unlocked.

7. The vehicle lift according to claim 6, characterized in that: Also included is a pulley mechanism disposed on the inner side of each column; The pulley mechanism is provided with a plurality of second locking holes; When the lock head of the lock body is pressed into a second lock hole through the first lock hole, the pulley mechanism of the vehicle lift is locked in a fixed position; When the second pneumatic mechanism presses air into the first pneumatic mechanism through the air source pipe, the driving end of the first cylinder component moves downward, driving the lock body to rotate around the rotating shaft, so that the lock head of the lock body disengages from a second lock hole of the pulley mechanism through the first lock hole, and the pulley mechanism of the vehicle lift is unlocked.

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