Electric jack with elastic positioning for prying open automobile lock

Abstract

The application discloses a kind of pry with elastic positioning electric jack for automobile lock, including jack main body, push rod, pull rod, elastic positioning structure, motor, jack main body includes left arm, right arm, motor controls the distance between left arm and right arm, pull rod is rotatably installed on left arm, pull rod is provided with pull head, push rod is rotatably installed on right arm, push rod includes push rod upper end and push rod lower end, elastic positioning structure connects push rod upper end and push rod lower end, elastic positioning structure controls push rod lower end to pop out and retract, push rod lower end is provided with push head, when jack works, elastic positioning structure controls push rod lower end and push head to pop out, push head is on one end of automobile lock, pull head holds the other end of automobile lock.The beneficial effects of the application are: installing push rod and pull rod and motor on jack, the distance between push rod and pull rod is enlarged by motor driving jack, to achieve the purpose of supporting automobile lock, and push rod can be conveniently positioned with automobile lock.

Description

Technical Field

[0001] This invention relates to the field of jack technology, and in particular to an electric jack with elastic positioning for prying open car locks. Background Technology

[0002] Scissor jacks are common lifting equipment, mainly used for lifting small vehicles, such as sedans. The car locks are made entirely of steel and clamp onto the tires from both sides to lock the vehicle. Nowadays, there is an increasing number of cases where cars are maliciously locked while parked. Car locks are characterized by their high strength and ease of locking, making them vulnerable to malicious use. This prevents car owners from easily unlocking their vehicles, rendering them unusable, blocking roads or parking lots, and causing time and financial losses. Therefore, there is an urgent need for a tool that can easily unlock car locks, is simple to operate, and unlocks quickly. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an electric jack with elastic positioning for prying open car locks. A push rod, a pull rod, and a motor are added to the jack. The motor drives the jack to increase the distance between the push rod and the pull rod, thereby opening the car lock. The push rod can be easily positioned with the car lock without the need for manual positioning, saving time.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0005] An electric jack with elastic positioning for prying open car locks includes a jack body, a push rod, a pull rod, an elastic positioning structure, and a motor. The jack body includes a left arm and a right arm. The motor controls the distance between the left and right arms. The pull rod is rotatably mounted on the left arm and has a pull head. The push rod is rotatably mounted on the right arm and includes an upper end and a lower end. The elastic positioning structure connects the upper and lower ends of the push rod and controls the lower end of the push rod to pop out and retract. The lower end of the push rod has a push head. When the jack is working, the elastic positioning structure controls the lower end of the push rod and the push head to pop out. The push head presses against one end of the car lock, and the pull head holds the other end of the car lock. The motor controls the increase in the distance between the left and right arms, which in turn increases the distance between the pull rod and the push rod, thereby prying open the car lock.

[0006] Preferably, the elastic positioning structure includes a sleeve, a spring, and a locking mechanism. The upper end of the sleeve is fitted onto the upper end of the push rod, and the lower end of the sleeve is fixed to the lower end of the push rod. One end of the spring rests on the sleeve, and the other end of the spring is fixed to the upper end of the push rod. When the jack retracts, the spring is compressed, and the sleeve drives the lower end of the push rod to retract. The locking mechanism locks the sleeve. When the jack is working, the locking mechanism unlocks, the spring is released, and the sleeve drives the lower end of the push rod to pop out. The popping out and retraction of the lower end of the push rod can be controlled by the sleeve, spring, and locking mechanism.

[0007] Preferably, the locking mechanism consists of a chain and a first hook. One end of the chain is fixed to the sleeve, and the first hook is set on the upper end of the push rod. The other end of the chain is fixed by hooking onto the first hook, ensuring that the spring cannot rebound and the lower end of the push rod will not pop out. Moreover, the chain has multiple connection holes. By simply changing the connection hole between the chain and the first hook, the amount of sleeve compression can be adjusted, thereby adjusting the spring force.

[0008] Preferably, the locking mechanism consists of a compression spring, a limit pin, a button, and a latch. The limit pin is connected to the button, one end of the compression spring is located inside the sleeve, and the other end of the compression spring contacts the limit pin. The latch is located at the upper end of the push rod. When the jack retracts, the limit pin engages with the latch and is locked, preventing it from popping out. When the jack is working, the button drives the limit pin to compress the compression spring, the limit pin unlocks from the latch, and the sleeve drives the lower end of the push rod to pop out.

[0009] Preferably, the locking mechanism consists of a first hook and a second hook. The first hook is located on the upper end of the push rod, and the second hook is located on the sleeve. When the spring is compressed, the second hook hooks onto the first hook, and the sleeve is locked, which ensures that the spring cannot rebound and the lower end of the push rod will not pop out.

[0010] Preferably, a first limiting structure is provided on the left arm. When the jack is retracted, the pull rod is engaged with the left arm through the first limiting structure. The first limiting structure can restrict the rotation of the pull rod and facilitate retraction.

[0011] Preferably, a second limiting structure is provided on the right arm. When the jack is working, the push rod is engaged with the right arm through the second limiting structure. The second limiting structure can restrict the rotation of the push rod, keeping the push rod in a straight state and preventing it from tilting and affecting the lock picking efficiency.

[0012] Preferably, the push rod is provided with a third limiting structure. When the jack is working, the push rod is limited by the second limiting structure, and the pull rod is then locked onto the push rod by the third limiting structure. The pull rod is also limited and cannot rotate. The pull rod remains straight and will not tilt, thus affecting the lock picking efficiency.

[0013] Preferably, the first limiting structure, the second limiting structure, and the third limiting structure are limiting slots. The limiting slots can ensure that the push rod and the pull rod will not rotate after being limited, and will remain straight, which is convenient for operation and retraction.

[0014] Preferably, the first limiting structure, the second limiting structure, and the third limiting structure are magnets, and magnetic metal is provided at corresponding positions of the push rod and the pull rod. The limiting is completed by the magnetic metal adsorbing onto the magnet, which can ensure that the push rod and the pull rod will not rotate after being limited, and remain straight, which is convenient for operation and retraction.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] This invention modifies a commonly carried car jack by adding a push rod, a pull rod, and a motor to the left and right arms of the jack. The car lock engages by clamping the tires at both ends. The push rod includes an upper and a lower end, with a push head at the lower end. The pull rod has a pull head. The upper and lower ends of the push rod are connected by an elastic positioning structure that controls the extension and retraction of the lower end of the push rod. When the jack is working, the elastic positioning structure controls the extension of the push rod. At the end of the push rod, the push head is close to the car lock. The elastic positioning structure then controls the extension of the lower end of the push rod, causing the push head to extend as well. Finally, the push head presses against one end of the car lock, and the pull head pulls the other end of the car lock, completing the positioning of the push rod and pull rod. When using an elastic positioning structure to position the push rod, there is no need to manually align the push rod with the car lock and adjust the jack to place the push rod against one end of the car lock. The entire process is achieved by the elastic positioning structure, saving unlocking time. The jack body adjusts the distance between the left and right arms by adjusting the lead screw between the two isosceles triangles. The motor drives the lead screw between the left and right arms to shorten, and the distance between the left and right arms to increase. The left and right arms drive the push rod and pull rod to move relative to each other. Due to the torque principle, the left and right arms have a large force, which can easily drive the push rod and pull rod to pull open both ends of the car lock, thereby achieving the purpose of prying open the car lock. Using a motor to drive the movement of the jack body can save manpower and time.

[0017] Secondly, in this invention, the pull rod is rotatably mounted on the left arm, and the push rod is rotatably mounted on the right arm. When the jack is working, the pull rod can be rotated around the connection point between the pull rod and the left arm to face the car lock, the push rod is straightened, and the push head is against one end of the car lock. The push rod can then be rotated around the connection point between the push rod and the right arm to face the other end of the car lock, the pull rod is straightened, and the pull head holds the other end of the car lock. When the jack is retracted, the pull rod is rotated again around the connection point between the pull rod and the left arm to face the left arm, and the push rod is rotated around the connection point between the push rod and the right arm to face the right arm, thereby retracting the pull rod and the push rod, saving space, and making it very convenient to place the jack in the car trunk for easy carrying.

[0018] Therefore, the present invention provides an electric jack with elastic positioning for prying open car locks. A push rod, a pull rod, and a motor are added to the jack. The motor drives the jack to increase the distance between the push rod and the pull rod, thereby opening the car lock. The push rod can be easily positioned with the car lock without the need for manual positioning, saving time. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the working state structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the retraction structure of the push rod and pull rod of the present invention;

[0022] Figure 4 This is a schematic diagram of the implementation structure of the elastic positioning structure in this invention. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0025] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature; secondly, in the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] In this invention, unless otherwise explicitly specified and limited, the terms "connection" and "fixed" should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal connection of two elements or the interaction between two elements. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

[0028] Please see Figures 1-4 , Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2This is a schematic diagram of the working state structure of the present invention; Figure 3 This is a schematic diagram of the retraction structure of the push rod and pull rod of the present invention; Figure 4 This is a schematic diagram of one embodiment of the elastic positioning structure in this invention.

[0029] An embodiment of the present invention provides an electric jack with elastic positioning for prying open car locks. The component names corresponding to the numbers in the figure are as follows: jack body 1, push rod 2, pull rod 3, left arm 4, right arm 5, first limiting structure 6, second limiting structure 7, third limiting structure 8, sleeve 9, spring 10, push head 11, chain 12, first hook 13, compression spring 14, limiting pin 15, button 16, motor 17, pull head 18, second hook 19, buckle 20, upper end of push rod 21, lower end of push rod 22.

[0030] An electric jack for prying open car locks with elastic positioning includes a jack body 1, a push rod 2, a pull rod 3, an elastic positioning structure, and a motor 17. The jack body 1 includes a left arm 4 and a right arm 5. The motor 17 controls the distance between the left arm 4 and the right arm 5. The pull rod 3 is rotatably mounted on the left arm 4 and is provided with a pull head 18. The push rod 2 is rotatably mounted on the right arm 5 and includes an upper end 21 and a lower end 22. The elastic positioning structure connects the upper end of the push rod. 21 and the lower end 22 of the push rod, the elastic positioning structure controls the lower end 22 of the push rod to pop out and retract. The lower end 22 of the push rod is provided with a push head 11. When the jack is working, the elastic positioning structure controls the lower end 22 of the push rod and the push head 11 to pop out. The push head 11 presses against one end of the car lock, and the pull head 18 pulls the other end of the car lock. The motor 17 controls the increase of the distance between the left arm 4 and the right arm 5. The left arm 4 and the right arm 5 drive the distance between the pull rod 3 and the push rod 2 to increase, thereby prying open the car lock.

[0031] The elastic positioning structure includes a sleeve 9, a spring 10, and a locking mechanism. The upper end of the sleeve 9 is sleeved on the upper end 21 of the push rod, and the lower end of the sleeve 9 is fixed together with the lower end 22 of the push rod. One end of the spring 10 rests on the sleeve 9, and the other end of the spring 10 is fixed to the upper end 21 of the push rod. When the jack retracts, the spring 10 is compressed, and the sleeve 9 drives the lower end 22 of the push rod to retract. The locking mechanism locks the sleeve 9. When the jack is working, the locking mechanism unlocks, the spring 10 is released, and the sleeve 9 drives the lower end 22 of the push rod to pop out. The popping out and retraction of the lower end 22 of the push rod can be controlled by the sleeve 9, the spring 10, and the locking mechanism.

[0032] The left arm 4 is equipped with a first limiting structure 6. When the jack is retracted, the pull rod 3 is engaged with the left arm 4 through the first limiting structure 6. The first limiting structure 6 can restrict the rotation of the pull rod 3, making it easy to retract.

[0033] The right arm 5 is equipped with a second limiting structure 7. When the jack is working, the push rod 2 is engaged with the right arm 5 through the second limiting structure 7. The second limiting structure 7 can restrict the rotation of the push rod 2, keeping the push rod 2 straight and preventing it from tilting and affecting the lock picking efficiency.

[0034] The push rod 2 is equipped with a third limiting structure 8. When the jack is working, the push rod 2 is limited by the second limiting structure 7, and the pull rod 3 is then locked onto the push rod 2 through the third limiting structure 8. The pull rod 3 is also limited and cannot rotate. The pull rod 3 remains straight and will not tilt, thus affecting the lock picking efficiency.

[0035] The first limiting structure 6, the second limiting structure 7, and the third limiting structure 8 are limiting slots. The limiting slots can ensure that the push rod 2 and the pull rod 3 will not rotate after being limited, and will remain straight, which is convenient for operation and retraction.

[0036] The first limiting structure 6, the second limiting structure 7, and the third limiting structure 8 are magnets. The corresponding positions of the push rod 2 and the pull rod 3 are provided with magnetic metal. The limiting is completed by the magnetic metal adsorbing onto the magnet, which can ensure that the push rod 2 and the pull rod 3 will not rotate after being limited, and will remain straight, which is convenient for operation and retraction.

[0037] Example 1:

[0038] The difference between Embodiment 1 and the above structure is that the locking mechanism is a chain 12 and a first hook 13. The usage and working method of Embodiment 1 are as follows:

[0039] When the jack is working, rotate push rod 2 around the connection between push rod 2 and right arm 5 to the second limiting structure 7, and lock push rod 2 onto the second limiting structure 7. Rotate pull rod 3 around the connection between pull rod 3 and left arm 4 to push rod 2, and lock push rod 2 and pull rod 3 together through the third limiting structure 8. When the lower end 22 of push rod is close to the car lock, remove chain 12 from the first hook 13, sleeve 9 unlocks, spring 10 is no longer limited, spring 10 releases, sleeve 9 drives the lower end 22 of push rod to pop out, and push head 11 also pops out. Finally, the push head 11 presses against one end of the car lock, and the pull head 18 pulls the other end of the car lock, completing the positioning of the push rod 2 and the pull rod 3. Then, the motor 17 is started, and the motor 17 drives the lead screw between the left arm 4 and the right arm 5 to shorten, and the distance between the left arm 4 and the right arm 5 to increase. The left arm 4 and the right arm 5 drive the push rod 2 and the pull rod 3 to move relative to each other. The upper end 21 of the push rod is forced to push the sleeve 9 and the lower end 22 of the push rod away from the pull rod 3. As the distance between the push rod 2 and the pull rod 3 increases, the push rod 2 and the pull rod 3 pull open both ends of the car lock, and the car lock is pried open.

[0040] When the jack retracts, the compressed spring 10 and sleeve 9 drive the lower end 22 of the push rod to retract, hooking the chain 12 onto the first hook 13 and locking the sleeve 9. This disengages the pull rod 3 from the third limiting structure 8. The pull rod 3 rotates around the connection between the pull rod 3 and the left arm 4 to the first limiting structure 6. The pull rod 3 is then engaged with the left arm 4 through the first limiting structure 6. This pulls the push rod 2 out of the second limiting structure 7. The push rod 2 rotates around the connection between the push rod 2 and the right arm 5 to the right arm 5, completing the retraction of the push rod 2 and the pull rod 3. Finally, the jack is placed back into the car trunk, and storage is complete.

[0041] Example 2:

[0042] The difference between Embodiment 2 and the above structure is that the locking mechanism consists of a compression spring 14, a limit pin 15, a button 16, and a buckle 20. The usage and working method of Embodiment 2 are as follows:

[0043] When the jack is working, rotate push rod 2 around the connection between push rod 2 and right arm 5 to the second limiting structure 7, and engage push rod 2 on the second limiting structure 7. Rotate pull rod 3 around the connection between pull rod 3 and left arm 4 to push rod 2, and engage push rod 2 and pull rod 3 together through the third limiting structure 8. When the lower end 22 of push rod is close to the car lock end, press button 16. The compression spring 14 is compressed, and the limiting pin 15 is released from the latch 20 at the upper end 21 of push rod. The latch 20 no longer restricts the movement of the limiting pin 15 and sleeve 9, the spring 10 is no longer limited, the spring 10 is released, and the sleeve 9 moves... The lower end 22 of the push rod pops out, and the push head 11 pops out as well. Finally, the push head 11 presses against one end of the car lock, and the pull head 17 pulls the other end of the car lock, completing the positioning of the push rod 2 and the pull rod 3. Then, the motor 17 is started. The motor 17 drives the lead screw between the left arm 4 and the right arm 5 to shorten, and the distance between the left arm 4 and the right arm 5 increases. The left arm 4 and the right arm 5 drive the push rod 2 and the pull rod 3 to move relative to each other. The upper end 21 of the push rod is forced to push the sleeve 9 and the lower end 22 of the push rod away from the pull rod 3. As the distance between the push rod 2 and the pull rod 3 increases, the push rod 2 and the pull rod 3 pull open both ends of the car lock, and the car lock is pried open.

[0044] When the jack retracts, the compression spring 10 and sleeve 9 move upward, causing the lower end 22 of the push rod to retract. The limiting pin 15 inside the sleeve 9 moves upward with the sleeve 9. When the limiting pin 15 moves to the buckle 20, the compression spring 14 rebounds, pushing the limiting pin 15 into the buckle 20 and fixing it. The limiting pin 15 is limited and cannot move downward. The sleeve 9 is locked, and the spring 10 cannot rebound, accumulating elastic force to disengage the pull rod 3 from the third limiting structure 8. The pull rod 3 rotates around the connection between the pull rod 3 and the left arm 4 to the first limiting structure 6. The pull rod 3 is engaged with the left arm 4 through the first limiting structure 6, pulling the push rod 2 out of the second limiting structure 7. The push rod 2 rotates around the connection between the push rod 2 and the right arm 5 to the right arm 5, completing the retraction of the push rod 2 and the pull rod 3. Then, the jack is put back into the trunk of the car, and storage is complete.

[0045] Example 3:

[0046] The difference between Embodiment 3 and the above structure is that the locking mechanism is the first hook 13 and the second hook 19. The usage and working method of Embodiment 3 are as follows:

[0047] When the jack is working, rotate push rod 2 around the connection between push rod 2 and right arm 5 to the second limiting structure 7, and engage push rod 2 on the second limiting structure 7. Rotate pull rod 3 around the connection between pull rod 3 and left arm 4 to push rod 2, and engage push rod 2 and pull rod 3 together through the third limiting structure 8. When the lower end 22 of push rod is close to the car lock, remove the second hook 19 from the first hook 13, unlock sleeve 9, spring 10 is no longer limited, spring 10 is released, causing the lower end 22 of push rod to pop out, and push head 11 also pops out. Finally, the push head 11 presses against one end of the car lock, and the pull head 18 pulls the other end of the car lock, completing the positioning of the push rod 2 and the pull rod 3. Then, the motor 17 is started, and the motor 17 drives the lead screw between the left arm 4 and the right arm 5 to shorten, and the distance between the left arm 4 and the right arm 5 to increase. The left arm 4 and the right arm 5 drive the push rod 2 and the pull rod 3 to move relative to each other. The upper end 21 of the push rod is forced to push the sleeve 9 and the lower end 22 of the push rod away from the pull rod 3. As the distance between the push rod 2 and the pull rod 3 increases, the push rod 2 and the pull rod 3 pull open both ends of the car lock, and the car lock is pried open.

[0048] When the jack retracts, the compressed spring 10 and sleeve 9 cause the lower end 22 of the push rod to retract, hooking the second hook 19 onto the first hook 13 and fixing it in place. The spring 10 cannot rebound, and the sleeve 9 is locked, disengaging the pull rod 3 from the third limiting structure 8. The pull rod 3 rotates around the connection between the pull rod 3 and the left arm 4 to the first limiting structure 6, where it is secured to the left arm 4. The push rod 2 is pulled out from the second limiting structure 7, rotating around the connection between the push rod 2 and the right arm 5 to the right arm 5, completing the retraction of the push rod 2 and pull rod 3. The jack is then placed back into the car trunk, and storage is complete.

[0049] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0050] This invention modifies a commonly carried car jack by adding a push rod 2, a pull rod 3, and a motor 17 to the left arm 4 and right arm 5 of the jack. The car lock engages by clamping the tires at both ends. The push rod 2 includes an upper end 21 and a lower end 22, with a push head 11 on the lower end 22. The pull rod 3 has a pull head 18. The upper end 21 and the lower end 22 are connected by an elastic positioning structure, which controls the extension and retraction of the lower end 22. When the jack is working, the elastic positioning structure controls the extension of the push rod 2. When the push head 11 of the lower end 22 is close to one end of the car lock, the elastic positioning structure controls the extension of the lower end 22, and the push head 11 extends along with it. Finally, the push head 11 presses against one end of the car lock, and the pull head 18 pulls the other end of the car lock, completing the action of the push rod 2 and pull head 18. The positioning of lever 3 is achieved by using an elastic positioning structure to position push rod 2. This eliminates the need for manual alignment of push rod 2 with the car lock and adjustment of the jack to position push rod 2 against one end of the car lock. The entire process is accomplished by the elastic positioning structure, saving unlocking time. The jack body 1 adjusts the distance between the left and right arms 4 and 5 by adjusting the lead screw between these two isosceles triangles. Motor 17 drives the lead screw between the left and right arms 4 and 5 to shorten, causing the push rod 2 and pull rod 3 to move relative to each other. As the distance between push rod 2 and pull rod 3 increases, due to the torque principle, the left and right arms 4 and 5 exert greater force, easily pulling push rod 2 and pull rod 3 to open both ends of the car lock, thus achieving the purpose of prying open the car lock. Using motor 17 to drive the movement of the jack body 1 saves manpower and time.

[0051] Secondly, in this invention, the pull rod 3 is rotatably mounted on the left arm 4, and the push rod 2 is rotatably mounted on the right arm 5. When the jack is working, the pull rod 3 can be rotated around the connection between the pull rod 3 and the left arm 4 to face the car lock, the push rod 2 is straightened, and the push head 11 is pressed against one end of the car lock. The push rod 2 is then rotated around the connection between the push rod 2 and the right arm 5 to face the other end of the car lock, the pull rod 3 is straightened, and the pull head 18 holds the other end of the car lock. When the jack is retracted, the pull rod 3 is rotated again around the connection between the pull rod 3 and the left arm 4 to face the left arm 4, and the push rod 2 is rotated around the connection between the push rod 2 and the right arm 5 to the right arm 5, thereby retracting the pull rod 3 and the push rod 2, saving space, and making it very convenient to place the jack in the car trunk for easy carrying.

[0052] Therefore, the present invention provides an electric jack with elastic positioning for prying open car locks. A push rod, a pull rod, and a motor are added to the jack. The motor drives the jack to increase the distance between the push rod and the pull rod, thereby opening the car lock. The push rod can be easily positioned with the car lock without the need for manual positioning, saving time.

[0053] The above are merely preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be considered as limitations on the present invention, and the scope of protection of the present invention should be determined by the scope defined in the claims. For those skilled in the art, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An electric jack with elastic positioning for prying open car locks, characterized in that, The jack includes a main body, a push rod, a pull rod, an elastic positioning structure, and a motor. The main body includes a left arm and a right arm. The motor controls the distance between the left and right arms. The pull rod is rotatably mounted on the left arm and has a pull head. The push rod is rotatably mounted on the right arm and includes an upper end and a lower end. The elastic positioning structure connects the upper and lower ends of the push rod and controls the lower end of the push rod to extend and retract. The lower end of the push rod has a push head. When the jack is working, the elastic positioning structure controls the lower end of the push rod and the push head to extend. The push head presses against one end of the car lock, and the pull head holds the other end of the car lock. The motor controls the increase in the distance between the left and right arms. The left and right arms increase the distance between the pull rod and the push rod, thereby prying open the car lock. The left arm has a first limiting structure, the right arm has a second limiting structure, and the push rod has a third limiting structure. The first limiting structure, the second limiting structure, and the third limiting structure are limiting slots; Alternatively, the first limiting structure, the second limiting structure, and the third limiting structure may be magnets, and magnetic metal may be provided at corresponding positions of the push rod and the pull rod.

2. The electric jack for prying open car locks with elastic positioning according to claim 1, characterized in that, The elastic positioning structure includes a sleeve, a spring, and a locking mechanism. The upper end of the sleeve is fitted onto the upper end of the push rod, and the lower end of the sleeve is fixed to the lower end of the push rod. One end of the spring rests on the sleeve, and the other end of the spring is fixed to the upper end of the push rod. When the jack retracts, the spring is compressed, and the sleeve causes the lower end of the push rod to retract. The locking mechanism locks the sleeve. When the jack operates, the locking mechanism unlocks, the spring is released, and the sleeve causes the lower end of the push rod to pop out.

3. The electric jack for prying open car locks with elastic positioning according to claim 2, characterized in that, The locking mechanism consists of a chain and a first hook. One end of the chain is fixed to the sleeve, the first hook is located on the upper end of the push rod, and the other end of the chain is fixed by hooking onto the first hook.

4. The electric jack for prying open car locks with elastic positioning according to claim 2, characterized in that, The locking mechanism consists of a compression spring, a limit pin, a button, and a buckle. The limit pin is connected to the button. One end of the compression spring is located inside the sleeve, and the other end of the compression spring contacts the limit pin. The buckle is located on the upper end of the push rod. When the jack retracts, the limit pin engages with the buckle and locks. When the jack operates, the button drives the limit pin to compress the compression spring, and the limit pin unlocks from the buckle.

5. An electric jack with elastic positioning for prying open car locks according to claim 2, characterized in that, The locking mechanism consists of a first hook and a second hook. The first hook is located on the upper end of the push rod, and the second hook is located on the sleeve. When the spring is compressed, the second hook hooks onto the first hook, and the sleeve is locked.

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