Box door locking structure of unmanned motor sweeper and unmanned motor sweeper
By mounting the drive unit onto the vehicle frame on the unmanned sweeper and using the linkage assembly and hook to form a linkage structure, the problem of complex door drive structure in the prior art is solved, the door drive structure on the vehicle body is simplified, and the ease of use and stability are improved.
Patent Information
- Application Number
- CN202520463086.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing unmanned sweeper has a complex door drive structure, which requires additional wiring or pipes to connect to the vehicle body, resulting in a complex structure.
The door locking structure is adopted, and the drive component is installed on the frame. It is linked with the linkage assembly and hook through the position adjustment mechanism, which simplifies the door drive structure on the vehicle body. The linkage assembly includes the first and second linkages, the turntable limit groove, the guide rod and the screw cap threaded connection, and the locking component improves stability.
The simplified door drive structure of the vehicle body avoids additional wiring or piping, improves ease of installation and use, and reduces wear and tear and connection difficulties.
Smart Images

Figure CN223880943U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to garbage sweeper technology field especially relates to a unmanned sweeper's box door locking structure and unmanned sweeper. BACKGROUND
[0002] With the rapid development of unmanned technology, unmanned sweeper is widely used in the field of environmental sanitation, park and urban road cleaning. The existing unmanned sweeper usually integrates navigation system, environmental perception module and automatic cleaning device, which can realize autonomous path planning, obstacle avoidance and efficient operation.
[0003] A patent named a kind of unmanned sweeper garbage box door opening and closing control system is disclosed in Chinese patent database, application number: 2023229230472, application date: October 31, 2023. Its specification discloses that: the locking module 4 includes: driving piece, the fastening piece connected with the output end of the driving piece, the fastening part 45 matched with the fastening piece, the fastening part 45 is fixedly installed on the door body 2. The fastening part 45 is installed at the bottom of the door body 2, the driving piece is fixedly installed at the bottom of the vehicle body 1, the fastening piece can act under the action of the driving piece, fasten on the fastening part 45 or separate from the fastening part 45, realize the closing or opening of the door body 2. The driving piece includes: linear drive device 40, push rod controller 41 arranged in the linear drive device 40, the linear drive device 40 is driving cylinder or driving motor.
[0004] The deficiency of the above technical scheme is that the driving piece is directly installed on the vehicle body, and the driving piece needs power source such as gas source or power source. Such power source is integrated on the vehicle frame, so additional lead or pipeline needs to be connected with the driving piece, which makes the door body driving structure on the vehicle body more complex. UTILITY MODEL CONTENT
[0005] The box door locking structure of the unmanned sweeper provided by the embodiment of the application is used for simplifying the structure for controlling the opening and closing of the door body on the vehicle body, and avoiding leading additional line or pipeline structure on the vehicle body. The embodiment of the application also discloses a kind of unmanned sweeper, which adopts the box door locking structure.
[0006] The first aspect of the application provides a kind of unmanned sweeper's box door locking structure, comprising:
[0007] Driving piece, connected to the vehicle frame, the driving piece has driving end;
[0008] Position adjusting mechanism, the driving piece is connected with the vehicle frame, the position adjusting mechanism is used for adjusting the position of the driving piece;
[0009] A connecting rod assembly is mounted on a vehicle body, and has a driven end and a driving end, the driven end and the driving end form a linkage structure;
[0010] A hook is mounted on the vehicle body and connected with the connecting rod assembly,
[0011] A locking pin is connected with the door body, and is used to form a hooking structure with the hook.
[0012] The above embodiment has the beneficial effect that the driving end and the driven end cooperate to enable the driving member mounted on the vehicle frame to drive the connecting rod assembly to act, thereby avoiding the installation of the driving member on the vehicle body and achieving the purpose of simplifying the door body driving structure on the vehicle body.
[0013] The above embodiment has the beneficial effect that:
[0014] On the basis of the above embodiment, the present embodiment can also be improved as follows:
[0015] In one embodiment of the present application, the connecting rod assembly includes a first connecting rod and a second connecting rod, the first connecting rod is hingedly connected to the vehicle body at the middle, the driven end is located at one end of the first connecting rod, the other end of the first connecting rod is hingedly connected to one end of the second connecting rod, and the other end of the second connecting rod is hingedly connected to the hook. The beneficial effect of this step is that the power of the driving member is transmitted to the hook through the connecting rod assembly.
[0016] In one embodiment of the present application, the driving end is a rotating disc mounted on the driving member, and the rotating disc is provided with an annular limiting groove along the rotating axis, and the driven end is inserted into the limiting groove. The beneficial effect of this step is that the rotating disc with a rotating structure facilitates the entry of the driven end into the driving end.
[0017] In one embodiment of the present application, the position adjusting mechanism includes a support seat, a guide rod, and a rotating cap, the support seat is connected to the vehicle frame, the guide rod is connected to the driving member, the guide rod is slidingly arranged in the support seat, and the rotating cap is threadedly connected with the guide rod and is positioned by the support seat. The beneficial effect of this step is that by changing the depth of the thread connection between the rotating cap and the guide rod, the position of the guide rod relative to the support seat is changed, thereby changing the position of the driving member and facilitating the alignment of the driving end and the driven end.
[0018] In one embodiment of the present application, the position adjusting mechanism further includes a locking member, the locking member is connected with the guide rod and locks the guide rod relative to the rotating cap. The beneficial effect of this step is that the locking member improves the stability of the position adjusting mechanism.
[0019] In one of the embodiments of the present application, the position adjusting mechanism further comprises a guide sleeve connected to the support base, and the guide rod is slidingly inserted into the guide sleeve. This step has the beneficial effect of facilitating the adjustment of the position of the guide rod relative to the support base and reducing the wear between the two.
[0020] The fourth aspect of the present application provides an unmanned cleaning vehicle comprising the box door locking structure. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.
[0022] Figure 1 It is a structural schematic view of the box door locking structure of the unmanned cleaning vehicle.
[0023] Figure 2 It is a structural schematic view when the driven end and the driving end are connected.
[0024] Figure 3 It is Figure 1 It is a local enlarged schematic view of A.
[0025] Among them, 1 is a driving member, 101 is a driving end, 2 is a position adjusting mechanism, 201 is a support base, 202 is a guide rod, 203 is a rotating cap, 204 is a locking member, 205 is a guide sleeve, 206 is a gland, 3 is a connecting rod assembly, 301 is a driven end, 302 is a first connecting rod, 303 is a second connecting rod, 4 is a hook, and 5 is a locking pin. DETAILED DESCRIPTION
[0026] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, such as connection, which can be fixed connection, or detachable connection, or integral, which can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of different terms in the present application can be understood according to the specific circumstances, and the scope of the specific meaning should be limited to the function of the present application.
[0027] In the description of the present application, it should be understood that the orientation terms or position relationship descriptions are based on the orientation or position relationship shown in the drawings, or based on the orientation or position relationship in actual use, which is only for the convenience of describing the content of the present application and simplifying the description, and is not intended to indicate or imply that the devices or elements indicated must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation of the present application.
[0028] Embodiment one
[0029] As shown in Figures 1-3 , a box door locking structure of an unmanned sweeper, comprising: a driving member 1, a position adjusting mechanism 2, a connecting rod assembly 3, a hook claw 4, and a locking pin 5, the driving member 1 is connected to the frame of the unmanned sweeper, the driving member 1 has a driving end 101, the position adjusting mechanism 2 connects the driving member 1 and the frame, the position adjusting mechanism 2 is used for adjusting the position of the driving member 1, the connecting rod assembly 3 is installed on the vehicle body of the unmanned sweeper, the connecting rod assembly 3 has a driven end 301, the driven end 301 cooperates with the driving end 101 to form a linkage structure, the hook claw 4 is installed on the vehicle body and connected with the connecting rod assembly 3, and the locking pin 5 is connected to the door body of the vehicle body, and the locking pin 5 is used for cooperating with the hook claw 4 to form a hooking structure.
[0030] Specifically, as shown in Figure 1 , the connecting rod assembly 3 has two groups and is arranged in a mirror-symmetrical structure on both sides of the driving member 1, and one of the connecting rod assemblies 3 will be described below, the connecting rod assembly 3 comprises: a first connecting rod 302 and a second connecting rod 303, the middle part of the first connecting rod 302 is hinged to the vehicle body, the driven end 301 is located at one end of the first connecting rod 302, the other end of the first connecting rod 302 is hinged to one end of the second connecting rod 303, and the other end of the second connecting rod 303 is hinged to the hook claw 4, and the power of the driving member 1 is transmitted to the hook claw 4 through the connecting rod assembly 3.
[0031] Specifically, as shown in Figure 1 , 2 , the driving member 1 adopts a double-head oil cylinder, the driving end 101 is a rotating disc rotatingly connected to the end of the piston rod, an annular limiting groove is formed in the outer periphery of the rotating disc along the rotating axis, the driven end 301 is inserted into the limiting groove, the groove wall of the annular groove is provided with a guide inclined surface, the guide inclined surface makes the slot have a structure that the large opening is outside and the small opening is inside, the driven end 301 is a column body connected to the end of the first connecting rod 302, the column body has a whole cylindrical structure, the lower end of the column body is a small end, and the upper end of the column body is a large end, the lower end structure of the column body cooperates with the slot of the limiting groove, so that the column body is more easily put into the limiting groove during the assembly of the door body, and the rotating structure rotating disc can avoid the column body from hard rubbing the limiting groove when the column body enters the limiting groove, thereby achieving the technical effect of reducing the abrasion between the column body and the rotating disc.
[0032] Specifically, as shown in Figure 3 , the position adjusting mechanism 2 comprises: a support seat 201, a guide rod 202, and a rotating cap 203, the support seat 201 is connected to the frame, the guide rod 202 is connected to the driving member 1, the guide rod 202 is slidingly arranged in the support seat 201, and the rotating cap 203 is threadedly connected with the guide rod 202 and is positioned by the support seat 201, the depth of the thread connection between the rotating cap 203 and the guide rod 202 is changed, so that the position of the guide rod 202 relative to the support seat 201 is changed, the position of the driving member 1 is changed, the driving end 101 and the driven end 301 are aligned, and the position of the driving member 1 is adjusted.
[0033] Specifically, as shown in Figure 1 , 3 , the guide rod 202 has two and is symmetrically arranged on the front and rear sides of the double-headed oil cylinder, and the cylinder body of the double-headed oil cylinder is connected with two fixed plates in front and rear, the guide rod 202 is fixedly connected with the corresponding fixed plate, the middle part of the guide rod 202 is a plug-in section, and the two ends are positioning sections, the plug-in section is inserted into the support seat 201, the positioning section has an external thread, and the positioning section is threadedly connected with the screw cap 203, the screw cap 203 is pressed against the corresponding support seat 201 from the two ends of the guide rod 202, and the guide rod 202 is limited relative to the support seat 201, that is, the double-headed oil cylinder is positioned at a determined position.
[0034] Specifically, as shown in Figure 3 , the position adjusting mechanism 2 further comprises: a locking piece 204, the locking piece 204 is connected with the guide rod 202 and locks the guide rod 202 relative to the screw cap 203, and the stability of the position adjusting mechanism 2 is improved by the locking piece 204.
[0035] Specifically, as shown in Figure 3 , the locking piece 204 adopts a nut, such as a hexagonal nut or a lock nut, when a hexagonal nut is adopted, a double-nut locking structure needs to be adopted, the nut is threadedly connected to the positioning section and tightly pressed against the screw cap 203, so that the guide rod 202 is locked relative to the screw cap 203, thereby improving the stability of the structure.
[0036] Specifically, as shown in Figure 3 , the position adjusting mechanism 2 further comprises: a guide sleeve 205, the guide sleeve 205 is connected to the support seat 201, the guide rod 202 is slidingly inserted into the guide sleeve 205, the friction between the guide rod 202 and the guide sleeve 205 is reduced by the guide sleeve 205, the position of the guide rod 202 relative to the support seat 201 is facilitated to be adjusted, and the abrasion between the two is reduced.
[0037] Specifically, as shown in Figure 3 , the support seat 201 is provided with a mounting hole along the axis of the guide rod 202, the guide sleeve 205 is a copper sleeve, the guide sleeve 205 is inserted into the mounting hole after being cold shrunk by liquid nitrogen, and then the guide sleeve 205 is tightly expanded in the mounting hole, a hole needs to be drilled at the junction of the guide sleeve 205 and the mounting seat and a positioning pin needs to be inserted, so that the stability of the positioning of the guide sleeve 205 is improved, the support seat 201 is connected with a gland 206 on the left and right sides, and the gland 206 limits the guide sleeve 205 in the mounting hole.
[0038] Specifically, as shown in Figure 1 , a through slot is formed in the lower part of the cabinet door, and the locking pin 5 is connected in the through slot.
[0039] The purpose of designing the position adjusting mechanism 2 is to reduce the difficulty of the connection between the driving member 1 and the linkage assembly 3 on the vehicle body, because the driving member 1 is installed on the vehicle frame, and the driving member 1 and the vehicle body are in a separated structure, so the linkage assembly 3 is installed on the vehicle body, and there are many errors when the vehicle body is positioned on the vehicle frame, so the position adjusting mechanism 2 is designed to adjust the position of the driving member 1, so that the driving member 1 is adapted to the position of the linkage assembly 3, and because there are subsequent vehicle body maintenance, part replacement and other conditions, there is still a problem of the connection between the driving member 1 and the linkage assembly 3, so the position adjusting mechanism 2 is used to adjust the position of the driving member 1, so that the driving member 1 is in the best working position, thereby improving the usability of the box door locking structure.
[0040] When the box door locking structure is used, the linkage assembly 3 is driven by the double-head oil cylinder to act, when the box door needs to be locked, the piston rod is retracted, the linkage assembly 3 drives the hook claw 4 to move towards the lock pin 5, until the hook claw 4 and the lock pin 5 enter the hook groove of the hook claw 4; when the box door needs to be unlocked, the piston rod is extended, the linkage assembly 3 drives the hook claw 4 to rotate towards the direction away from the lock pin 5, and the lock pin 5 is separated from the hook claw 4, so that the door body is in a freely openable state.
[0041] Embodiment two
[0042] An unmanned cleaning vehicle comprising the box door locking structure of the unmanned cleaning vehicle disclosed in embodiment one.
[0043] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail, and the ordinary technical personnel in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before the date, and the ordinary technical personnel in the art can improve and implement the scheme under the inspiration of the present application, and some typical known structures or known methods should not be an obstacle for the ordinary technical personnel to implement the present application. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.
Claims
1. A box door locking structure of an unmanned sweeper, characterized in that, The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure.
2. The box door locking structure according to claim 1, characterized in that, The application relates to a box door locking structure.
3. The box door locking structure according to claim 1, wherein The application relates to a box door locking structure.
4. The box door locking structure according to claim 1, wherein The application relates to a box door locking structure.
5. The box door locking structure according to claim 4, wherein The application relates to a box door locking structure.
6. The box door locking structure according to claim 4, wherein The application relates to a box door locking structure.
7. An unmanned sweeper vehicle characterized by The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure. The application relates to a box door locking structure.