Universal mobile chassis for service robot

Abstract

The utility model provides a universal mobile chassis for a service robot, which comprises a service robot connecting structure, the service robot connecting structure comprises a connecting shell, the inner side of the connecting shell is provided with a side strip, one end of the side strip is provided with a second insertion hole, two sides of the inner wall of the connecting shell are provided with supports, one end of each support is provided with a limiting hole, and the other end of each support is provided with a second insertion hole. The inner wall of the limiting hole is slidably connected with an insertion shaft, and the insertion shaft is connected with the first insertion hole and the second insertion hole in a clamped mode. The device is reasonable in design, the transmission lead screw can drive the moving strip to move through the arranged transmission lead screw capable of rotating, the moving strip pushes the rotating strip to rotate and enables the rotating strip to push the rotating strip to rotate, and the rotating strip pushes the inserting shaft to be inserted into the first inserting hole and the second inserting hole. Therefore, the service robot can be quickly fixed to the top of the chassis, and fixing bolts at the bottom can be disassembled and assembled without moving the chassis upwards.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to service robot field, concretely relates to a service robot is with universal mobile chassis. BACKGROUND

[0002] The application range of service robot is very wide, mainly undertakes maintenance, repairs, transportation, cleaning, security, rescue, guardianship and the like. After several years of collection and arrangement, the International Federation of Robotics gives a preliminary definition of service robot: service robot is a kind of semi-autonomous or fully autonomous robot, it can complete the service work beneficial to human health, but does not include the equipment engaged in production. Here, we also include other robots close to people's life in it;

[0003] Among them, the service robot moves and controls direction through the chassis.

[0004] The inventor found the following defects in the specific embodiment operation process:

[0005] But because the chassis is directly fixed with the service robot by bolt, when the internal parts of the service robot are damaged, the service robot can only be laid down to disassemble the bolt, and the service robot is separated from the chassis, and the method is easy to cause damage to the service robot again.

[0006] It should be noted that the above content belongs to the technical cognition range of the inventor, and due to the technical content of the field being too complex and too complicated, the above content of the present application does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL

[0007] 1. Technical problem to be solved by the utility model:

[0008] The utility model provides a service robot is with universal mobile chassis to solve the technical problems existing in the above background art.

[0009] 2. Technical scheme:

[0010] To achieve the above purpose, the technical scheme provided by the utility model is: a service robot is with universal mobile chassis, including service robot chassis structure, the top of service robot chassis structure is provided with service robot connecting structure;

[0011] The service robot chassis structure includes a chassis body, the four corners of the top of the chassis body are provided with U-shaped plates, and first insertion holes are formed in the inner sides of the U-shaped plates.

[0012] The service robot connecting structure comprises a connecting shell, the inner side of the connecting shell is provided with a side strip, one end of the side strip is provided with a second jack, the two sides of the inner wall of the connecting shell are provided with supports, one end of the support is provided with a limiting hole, the inner wall of the limiting hole is slidably connected with a plug shaft, and the plug shaft is connected with the first jack and the second jack.

[0013] Further, the top of the chassis body is rotationally connected with a driving gear ring, the top of the chassis body is rotationally connected with an engaging gear, the engaging gear is engaged with the driving gear ring, the top of the chassis body is rotationally connected with a first gear, and the top of the chassis body is rotationally connected with a second gear.

[0014] Further, the top of the chassis body is rotationally connected with a driving gear ring, the top of the chassis body is rotationally connected with an engaging gear, the engaging gear is engaged with the driving gear ring, the top of the chassis body is rotationally connected with a first gear, and the top of the chassis body is rotationally connected with a second gear.

[0015] Further, the number of the first gears is two, and the bottoms of the two first gears are provided with tracks.

[0016] Further, the middle of the connecting shell is rotationally connected with a transmission screw rod, the threads on the two ends of the transmission screw rod are opposite in rotation direction, and the outer walls of the two ends of the transmission screw rod are provided with moving strips.

[0017] Further, the middle of the moving strip is provided with a matching hole, the matching hole is matched with the transmission screw rod, the two sides of the moving strip are rotationally connected with rotating strips, and the rotating strips are rotationally connected with the plug shaft.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the technical scheme has the following beneficial effects:

[0020] The transmission screw rod can drive the moving strip to move, the rotating strip is pushed to rotate by the moving strip and drives the plug shaft to be inserted into the first jack and the second jack, so that the service robot can be quickly fixed on the top of the chassis, and the fixing bolt on the bottom can be disassembled and assembled without turning the chassis upward.

[0021] Meanwhile, the four driving wheels are arranged on the four sides of the bottom, when the service robot needs to be turned by the chassis, the motor is started, the motor drives the driving gear ring to rotate through the gears, the driving gear ring drives the driving wheels to turn through the first gear, the second gear and the transmission gear on the outer side, and the turning directions of the screw driving wheels are the same. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1The utility model discloses a three-dimensional structure schematic diagram of service robot chassis structure.

[0023] Fig. 2 The utility model discloses a three-dimensional section structure schematic diagram of service robot chassis structure.

[0024] Fig. 3 The utility model discloses a three-dimensional structure schematic diagram of service robot connecting structure.

[0025] Signs:

[0026] 1, service robot chassis structure;101, chassis body;102, U-shaped board;103, first jack;104, driving gear ring;105, first gear;106, second gear;107, transmission gear;108, rotating block;109, drive wheel;110, track;2, service robot connecting structure;201, connecting shell;202, side strip;203, second jack;204, support;205, limit hole;206, transmission screw;207, moving strip;208, fit hole;209, rotating strip;210, plug shaft;3, meshing gear. Specific implementation

[0027] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix", "have", "have" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model. Embodiment

[0031] Refer to the attached Figs. 1-3 A service robot is used with universal mobile chassis, including service robot chassis structure 1, the top of service robot chassis structure 1 is provided with service robot connecting structure 2;

[0032] Service robot chassis structure 1, including chassis body 101, the top of the four corners of the chassis body 101 is provided with U-shaped plate 102, the inside of the U-shaped plate 102 is provided with first jack 103;

[0033] Service robot connecting structure 2, including connecting shell 201, the inside of connecting shell 201 is provided with side strip 202, one end of side strip 202 is provided with second jack 203, both sides of the inner wall of connecting shell 201 are provided with bracket 204, one end of bracket 204 is provided with limiting hole 205, the inner wall of limiting hole 205 is slidably connected with plug shaft 210, plug shaft 210 is connected with first jack 103 and second jack 203, the middle of connecting shell 201 is rotatably connected with transmission screw rod 206, the thread rotation direction of both ends of transmission screw rod 206 is opposite, the outer wall of both ends of transmission screw rod 206 is provided with moving strip 207, the middle of moving strip 207 is provided with matching hole 208, matching hole 208 is matched with transmission screw rod 206, both sides of moving strip 207 are rotatably connected with rotating strip 209, rotating strip 209 is rotatably connected with plug shaft 210, when it is needed to install connecting shell 201 to the top of chassis body 101, directly align connecting shell 201 with chassis body 101, then manually rotate transmission screw rod 206, transmission screw rod 206 drives moving strip 207 to move inwards, moving strip 207 drives rotating strip 209 to rotate, rotating strip 209 drives plug shaft 210 to slide on the inner wall of limiting hole 205, then plug shaft 210 is inserted between second jack 203 and first jack 103 to quickly fix connecting shell 201.

[0034] Further, the top of the chassis body 101 is rotationally connected with a driving gear ring 104, the top of the chassis body 101 is rotationally connected with an engaging gear 3, the engaging gear 3 is engaged with the driving gear ring 104, the top of the chassis body 101 is rotationally connected with a first gear 105, the top of the chassis body 101 is rotationally connected with a second gear 106, the top of the chassis body 101 is rotationally connected with four transmission gears 107, the bottom of the transmission gear 107 is provided with a rotating block 108, the inside of the rotating block 108 is rotationally connected with a driving wheel 109, the number of the first gear 105 is two, the bottom of the two first gears 105 is provided with a track 110, when it is needed to steer the service robot by moving the chassis, the motor is started, the motor drives the driving gear ring 104 to rotate through the gear, the driving gear ring 104 drives the first gear 105 and the second gear 106 to rotate, the first gear 105 and the first gear 105 drive the transmission gears 107 on both sides to rotate, at the same time, the driving gear ring 104 also drives the transmission gears 107 at both ends to rotate, so that the steering of the four transmission gears 107 is the same, at the same time, the first gear 105 also drives the track 110 at the bottom to rotate when rotating, the track 110 and the driving wheel 109 are started, so that the driving wheel 109 and the track 110 drive the chassis body 101 to move in different directions, the plurality of driving wheels 109 and the plurality of tracks 110 can keep stable during moving.

[0035] The above-described embodiments only express certain embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application; it should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A universal mobile chassis for service robots, characterized in that: include Service robot chassis structure (1), and a service robot connection structure (2) is provided on the top of the service robot chassis structure (1). The service robot chassis structure (1) includes a chassis body (101), and a U-shaped plate (102) is provided at the four corners of the top of the chassis body (101). A first insertion hole (103) is provided on the inner side of the U-shaped plate (102). The service robot connection structure (2) includes a connection housing (201), a side strip (202) is provided on the inner side of the connection housing (201), a second insertion hole (203) is provided at one end of the side strip (202), a bracket (204) is provided on both sides of the inner wall of the connection housing (201), a limit hole (205) is provided at one end of the bracket (204), and an insertion shaft (210) is slidably connected to the inner wall of the limit hole (205), and the insertion shaft (210) is engaged with the first insertion hole (103) and the second insertion hole (203).

2. The universal mobile chassis for service robots according to claim 1, characterized in that: The top of the chassis body (101) is rotatably connected to an active gear ring (104), the top of the chassis body (101) is rotatably connected to a meshing gear (3), the meshing gear (3) meshes with the active gear ring (104), the top of the chassis body (101) is rotatably connected to a first gear (105), and the top of the chassis body (101) is rotatably connected to a second gear (106).

3. The universal mobile chassis for service robots according to claim 1, characterized in that: The top four sides of the chassis body (101) are rotatably connected to transmission gears (107), and a rotating block (108) is provided at the bottom of the transmission gears (107). A drive wheel (109) is rotatably connected inside the rotating block (108).

4. The universal mobile chassis for service robots according to claim 2, characterized in that: The number of the first gear (105) is set to two, and the bottom of the two first gears (105) is provided with a track (110).

5. A universal mobile chassis for service robots according to claim 1, characterized in that: A transmission screw (206) is rotatably connected in the middle of the connecting housing (201). The threads at both ends of the transmission screw (206) are in opposite directions, and the outer walls at both ends of the transmission screw (206) are provided with moving strips (207).

6. A universal mobile chassis for service robots according to claim 5, characterized in that: The moving bar (207) has a mating hole (208) in the middle, which is mated with the transmission screw (206). The moving bar (207) is rotatably connected to both sides of the moving bar (207), and the rotating bar (209) is rotatably connected to the insert shaft (210).

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