Electric tricycle door locking device

Abstract

The utility model discloses an electro-tricycle door locking device which comprises a polishing assembly. Comprising an installation block fixed to the inner wall of the electric tricycle, an installation groove formed in the installation block, a threaded rod rotationally installed on the inner wall of the installation groove, a rotary knob fixed to the outer end of the threaded rod, a threaded cylinder meshed with the threaded rod and a guide groove formed in the threaded cylinder. The guide rod is fixed to the inner wall of the mounting groove and inserted into the guide groove, the fixed block is fixed to the inner wall of the rear door of the electric tricycle, and the lock groove is formed in the fixed block and matched with the threaded cylinder. The extrusion assembly is arranged on the fixing block, and whether the threaded cylinder is inserted into the locking groove or not can be conveniently observed; a locking assembly; and under the driving of the tension spring, the shifting plate resets to drive the latch to enter the space between the two ratchets, so that the rear door of the electric tricycle is conveniently locked, and a child is prevented from opening the rear door from a rear seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric tricycle door locking device, concretely is a kind of electric tricycle door locking device. BACKGROUND

[0002] Electric tricycle is simple to maintain, easy to repair, low in price and easy to drive, and closed electric tricycle is widely used in domestic to pick up and drop off children to and from school;The existing closed electric tricycle, the door needs to be opened by key outside, and the door can be opened by pressing the lock body inside (the car has self-locking function, and the door of electric tricycle is mechanically locked, which can be opened inside, and the locking function is not good) When picking up children, children are lively and active by nature, and children are easy to open the door during the driving of electric tricycle, which has the safety hazard of getting off the car, and when the door is opened, the rest of the driver is easy to collide with the door, which also has the safety hazard to the passerby, so a technical measure is proposed to solve the problem of poor locking function of electric tricycle door, easy opening of door by children during driving of electric tricycle, safety hazard of getting off the car by children, and collision of the rest of the driver with the door when the door is opened, which also has the safety hazard to the passerby. SUMMARY

[0003] This part aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above and / or existing problems in the electric tricycle door locking device, the utility model is proposed.

[0005] Therefore, the utility model aims to provide an electric tricycle door locking device, when using the device, when locking the door, first rotate the knob to drive the threaded rod to rotate, drive the threaded cylinder to move, until the threaded cylinder is inserted into the lock slot, and the observation plate is observed to move, it can be known that the threaded cylinder completes the bottom of the lock slot, so as to close the rear door;When opening the door, first push the push plate, so that the teeth are separated from the ratchet, then rotate the threaded rod to drive the threaded cylinder to reset, finally release the push plate, under the driving of the tension spring, the push plate resets to drive the teeth into the two ratchets, so as to lock the rear door of electric tricycle, avoid children opening the rear door from the back seat.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] A kind of electric tricycle door locking device, it includes:

[0008] Polishing assembly, including the mounting block fixed on the inner wall of the electric tricycle, the installation slot being opened in the inside of the mounting block, the threaded rod being rotatably installed on the inner wall of the installation slot, the knob being fixed on the outer end of the threaded rod, the threaded cylinder being engaged with the threaded rod, the guide slot being opened in the threaded cylinder, the guide rod being fixed on the inner wall of the installation slot and being inserted in the guide slot, the fixed block being fixed on the inner wall of the rear door of the electric tricycle and the lock slot being opened in the fixed block and being matched with the threaded cylinder;

[0009] Extrusion assembly, being arranged on the fixed block, whether the threaded cylinder is inserted into lock slot can be conveniently observed;

[0010] Locking assembly, including the top slot being opened in the inner wall of the installation slot, the ratchet being uniformly fixed on the top of the threaded cylinder and being located in the top slot, the poking slot being opened in the top of the mounting block and being communicated with the top slot, the rotating rod being rotatably installed on the inner wall of the poking slot, the poking plate being fixed on the rotating rod, the pawl being fixed on the bottom end of the poking plate and being matched with the ratchet and the tension spring being fixed on one end of the inner wall of the poking slot and being fixed on the other end of the poking plate.

[0011] As a preferred scheme of the electric tricycle door locking device, the extrusion assembly includes the rectangular slot being opened in the inner wall of the lock slot, the spring being symmetrically fixed on the inner wall of the rectangular slot, the extrusion plate being fixed on the spring, the observation slot being opened in the top of the fixed block and being communicated with the rectangular slot, the observation plate being fixed on the top end of the extrusion plate and passing through the observation slot.

[0012] As a preferred scheme of the electric tricycle door locking device, the top of the fixed block is fixed with the observation block, and the observation block is symmetrically arranged on both sides of the observation slot.

[0013] As a preferred scheme of the electric tricycle door locking device, the outer wall of the knob is uniformly provided with the anti-skid groove.

[0014] As a preferred scheme of the electric tricycle door locking device, the end of the threaded cylinder is fixed with the latex pad.

[0015] Compared with the prior art, the utility model has beneficial effects that when using the device, when locking the door, first rotate the knob to drive the threaded rod to rotate, drive the threaded cylinder to move, until the threaded cylinder is inserted into the lock groove, and the observation plate is observed to move, so that the threaded cylinder is known to complete the bottom of the lock groove, thereby closing the back door; when the door needs to be opened, first push the push plate, so that the tooth is separated from the ratchet, then rotate the threaded rod to drive the threaded cylinder to reset, finally release the push plate, under the driving of the tension spring, the push plate resets to drive the tooth into the two ratchets, so that the back door of the electric tricycle is conveniently locked, and children are prevented from opening the back door from the back seat. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model embodiment, the utility model will be described in detail below with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Wherein:

[0017] Figure 1 It is the overall structure schematic diagram of the utility model a kind of electric tricycle door locking device;

[0018] Figure 2 It is the structure section view of the utility model a kind of electric tricycle door locking device fixed block;

[0019] Figure 3 It is the structure section view of the utility model a kind of electric tricycle door locking device mounting block;

[0020] Figure 4 It is the utility model a kind of electric tricycle door locking device Figure 3 Local enlarged view of A. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with the drawings.

[0022] Secondly, the utility model is described in detail in combination with the schematic diagram, and in the detailed description of the utility model embodiment, for the convenience of description, the section view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below in combination with the drawings.

[0024] The utility model provides a kind of electric tricycle door locking device, when using the device, when locking door, first rotate knob and drive screw rod rotation, drive screw cylinder moves, until screw cylinder is inserted into lock slot, and observation plate moves, can know that screw cylinder completes and inserts into the bottom of lock slot, to close rear door;When need to open door, first dial dialing plate, so that pawl disengages from ratchet, then rotate screw rod and drive screw cylinder reset, finally release dialing plate, under the driving of tension spring, dialing plate reset drives pawl to enter between two ratchets, so that it is convenient to lock the rear door of electric tricycle, avoid children to open rear door from back seat.

[0025] Figures 1-4 It shows the overall structure schematic diagram of one embodiment of the utility model electric tricycle door locking device, please refer to Figures 1-4 The utility model discloses an electric tricycle door locking device, which comprises a polishing assembly 100, an extrusion assembly 200 and a locking assembly 300.

[0026] Polishing assembly 100, including the mounting block 110 fixed on the inner wall of electric tricycle, the installation groove 120 opened in the inside of mounting block 110, the screw rod 130 rotationally installed on the inner wall of installation groove 120, the knob 130a fixed on the outer end of screw rod 130, the screw cylinder 140 engaged with screw rod 130, the guide groove 150 opened on screw cylinder 140, the guide rod 160 fixed on the inner wall of installation groove 120 and inserted in guide groove 150, the fixed block 170 fixed on the inner wall of rear door of electric tricycle and the lock slot 180 opened on fixed block 170 and matched with screw cylinder 140, the outer wall of knob 130a is uniformly provided with anti-skid groove, and the end of screw cylinder 140 is fixed with latex pad;

[0027] Extrusion assembly 200 is arranged on fixed block 170, and whether screw cylinder 140 is inserted into lock slot 180 can be conveniently observed;Extrusion assembly 200 includes the rectangular slot 210 opened on the inner wall of lock slot 180, the spring 220 fixedly arranged on the inner wall of rectangular slot 210, the extrusion plate 230 fixed on spring 220, the observation slot 240 opened on the top of fixed block 170 and communicated with rectangular slot 210, the observation plate 250 fixed on the top end of extrusion plate 230 and passing through observation slot 240;The top of fixed block 170 is fixed with observation block 260, and observation block 260 is symmetrically arranged on the two sides of observation slot 240;

[0028] The locking assembly 300 comprises a top slot 310 formed on the inner wall of the mounting groove 120, a ratchet 320 fixed on the top of the threaded cylinder 140 and located in the top slot 310, a pushing slot 330 formed on the top of the mounting block 110 and communicated with the top slot 310, a rotating rod 340 rotatably mounted on the inner wall of the pushing slot 330, a pushing plate 350 fixed on the rotating rod 340, a clamping tooth 360 fixed on the bottom end of the pushing plate 350 and matched with the ratchet 320, and a tension spring 370 fixed on the inner wall of the pushing slot 330 at one end and on the pushing plate 350 at the other end.

[0029] In combination Figures 1-4 The electric tricycle door locking device of the embodiment is used as follows: when the device is used, the threaded rod 130 is rotated to drive the threaded cylinder 140 to move when the door is locked, until the threaded cylinder 140 is inserted into the locking slot 180 and the observation plate 250 is observed to move, so that the threaded cylinder 140 is known to be inserted into the bottom of the locking slot 180, thereby closing the rear door; when the door needs to be opened, the pushing plate 350 is pushed to make the clamping tooth 360 disengage from the ratchet 320, then the threaded rod 130 is rotated to drive the threaded cylinder 140 to reset, and finally the pushing plate 350 is released, under the action of the tension spring 370, the pushing plate 350 is reset to drive the clamping tooth 360 into the two ratchets 320, so that the electric tricycle rear door is conveniently locked to avoid children opening the rear door from the rear seat.

[0030] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A door locking device for an electric tricycle, characterized in that, The polishing assembly (100) comprises a mounting block (110) fixed to the inner wall of the electric tricycle, a mounting groove (120) formed in the mounting block (110), a threaded rod (130) rotatably mounted to the inner wall of the mounting groove (120), a knob (130a) fixed to the outer end of the threaded rod (130), a threaded cylinder (140) engaged with the threaded rod (130), a guide groove (150) formed in the threaded cylinder (140), a guide rod (160) fixed to the inner wall of the mounting groove (120) and inserted into the guide groove (150), a fixed block (170) fixed to the inner wall of the rear door of the electric tricycle, and a locking groove (180) formed in the fixed block (170) and matched with the threaded cylinder (140). The extrusion assembly (200) is arranged on the fixed block (170) and can conveniently observe whether the threaded cylinder (140) is inserted into the locking groove (180). The locking assembly (300) comprises a top groove (310) formed in the inner wall of the mounting groove (120), a ratchet (320) fixed to the top of the threaded cylinder (140) and located in the top groove (310), a pushing groove (330) formed in the top of the mounting block (110) and communicated with the top groove (310), a rotating rod (340) rotatably mounted to the inner wall of the pushing groove (330), a pushing plate (350) fixed to the rotating rod (340), a clamping tooth (360) fixed to the bottom end of the pushing plate (350) and matched with the ratchet (320), and a tension spring (370) with one end fixed to the inner wall of the pushing groove (330) and the other end fixed to the pushing plate (350). The extrusion assembly (200) comprises a rectangular groove (210) formed in the inner wall of the locking groove (180), springs (220) symmetrically fixed to the inner wall of the rectangular groove (210), an extrusion plate (230) fixed to the springs (220), an observation groove (240) formed in the top of the fixed block (170) and communicated with the rectangular groove (210), and an observation plate (250) fixed to the top end of the extrusion plate (230) and penetrating through the observation groove (240).

2. The electric tricycle door locking device according to claim 1, characterized in that, The top of the fixed block (170) is fixed with an observation block (260), and the observation block (260) is symmetrically arranged on both sides of the observation groove (240).

3. The electric tricycle door locking device according to claim 2, characterized in that, The outer wall of the knob (130a) is uniformly provided with anti-skid grooves.

4. The electric tricycle door locking device according to claim 1, characterized in that, The end of the threaded cylinder (140) is fixed with a latex pad.

5. The electric tricycle door locking device according to claim 1, characterized in that, ​

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