Reciprocating motion mechanism and intelligent mower
By designing a reciprocating mechanism including mounting plate, screw rod, guide rod and through-type linear screw stepper motor, the problem of difficult adjustment of the width of the mowing knife in the intelligent lawn mower is solved, and the flexibility of the mowing width is achieved Improved efficiency in adjustment and mowing.
Patent Information
- Application Number
- CN202420853221.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The mowing width of the mowing knife in existing smart lawn mowers is not easy to adjust, resulting in multiple operations required when mowing within a wide range, affecting the mowing efficiency.
Design a reciprocating mechanism, including mounting plate, screw rod, guide rod, support plate and through-type linear screw stepper motor, adjust the mowing knife on the mounting frame by controlling the movement of the screw rod to achieve the mowing width Adjust and ensure stability and guidance through induction switch sensors and flange linear bearings.
The mowing width adjustment of the mowing knife in the smart lawn mower is realized, which improves the mowing efficiency, avoids the rotation of the mowing knife, and enhances the guiding nature of the movement.
Smart Images
Figure CN222193144U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of intelligent lawn mowers, in particular to a reciprocating motion mechanism and an intelligent lawn mower. Background Art
[0002] A smart lawn mower is a mechanical tool used to trim lawns, vegetation, etc. It consists of a cutter disc, an engine, running wheels, a traveling mechanism, a blade, an armrest, and a control part. The cutter disc is mounted on the running wheels, the engine is mounted on the cutter disc, and the blade is mounted on the output shaft of the engine. The blade utilizes the high-speed rotation of the engine to increase the speed a lot, which saves the working time of the weeding workers and reduces a lot of human resources.
[0003] The cutting width of the mower blade in the existing intelligent lawn mower is not easy to adjust, resulting in the intelligent lawn mower needing to perform multiple mowing operations when mowing a wider range, affecting the mowing efficiency. Therefore, it is necessary to design a reciprocating motion mechanism that can adjust the cutting width of the mower blade in the intelligent lawn mower. Utility Model Content
[0004] In view of the above problems in the prior art, the present application proposes a reciprocating motion mechanism and an intelligent lawn mower, which can adjust the cutting width of a lawn mower in the intelligent lawn mower.
[0005] One aspect of the utility model provides a reciprocating motion mechanism, which includes a mounting plate, a screw rod and a guide rod, support plates are installed on the left and right sides of the lower surface of the mounting plate, the screw rod and the guide rod are arranged in parallel between the two support plates, and the two ends of the screw rod and the guide rod are installed on the two support plates in a one-to-one correspondence, a through-type linear screw stepper motor is provided on the screw rod, a mounting frame is provided on the through-type linear screw stepper motor, the mounting frame is guided and installed on the guide rod, the through-type linear screw stepper motor can move along the screw rod to drive the mounting frame to move along the guide rod, and the mounting frame is used to install the mower of the intelligent lawn mower.
[0006] As a further improvement of the above technical solution:
[0007] The above-mentioned reciprocating motion mechanism further has a guide rod disposed on both sides of the screw rod, and both sides of the mounting frame are slidably mounted on the two guide rods in a one-to-one correspondence.
[0008] The above-mentioned reciprocating motion mechanism, further, is provided with an inductive switch sensor installed on both of the two support plates, and the inductive switch sensor is used to detect the distance between the installation frame and the support plate on which it is located.
[0009] The above-mentioned reciprocating motion mechanism, further, baffles are installed on both the front and rear sides of the lower surface of the mounting plate, and the two ends of the baffle are installed on the two support plates in a one-to-one correspondence.
[0010] The above-mentioned reciprocating motion mechanism, further, a flange linear bearing is installed on the installation frame, and the installation frame is installed on the guide rod through the flange linear bearing.
[0011] The above-mentioned reciprocating motion mechanism further has weight-reducing holes formed on the support plate.
[0012] Another aspect of the present invention provides an intelligent lawn mower, which has the reciprocating motion mechanism as described above.
[0013] The above technical features can be combined in various suitable ways or replaced by equivalent technical features as long as the purpose of the utility model can be achieved.
[0014] The utility model provides a reciprocating mechanism and an intelligent lawn mower, which have at least the following beneficial effects compared with the prior art: when in use, the mounting plate of the reciprocating mechanism is mounted on the body of the intelligent lawn mower, and the mowing blade of the intelligent lawn mower is mounted on the mounting frame; when it is necessary to adjust the mowing width of the mowing blade in the intelligent lawn mower, the through-type linear lead screw stepping motor is controlled to reciprocate along the lead screw, thereby driving the mowing blade installed on the mounting frame to move left and right a preset distance, thereby cutting grass of a preset width, so as to adjust the mowing width of the mowing blade in the intelligent lawn mower; the guide rod can assist in guiding the movement of the mounting frame and prevent the mounting frame from rotating.
[0015] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0017] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.
[0018] Figure 1 A schematic diagram showing the structure of the reciprocating motion mechanism provided by an embodiment of the utility model is shown;
[0019] Figure 2A schematic diagram of the installation structure of a through-type linear screw stepper motor of a reciprocating motion mechanism provided in an embodiment of the utility model is shown.
[0020] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.
[0021] Description of reference numerals:
[0022] 100-reciprocating motion mechanism, 110-mounting plate, 120-screw, 130-guide rod, 140-support plate, 141-weight reduction hole, 150-through-type linear screw stepper motor, 160-mounting frame, 161-flange linear bearing, 170-inductive switch sensor, 180-baffle. DETAILED DESCRIPTION
[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0028] The utility model will be further described below in conjunction with the accompanying drawings.
[0029] The embodiment of the utility model provides a reciprocating motion mechanism 100, which can adjust the mowing width of a mowing blade in an intelligent mower.
[0030] See also Figure 1 and Figure 2 The reciprocating motion mechanism 100 provided by the embodiment of the utility model includes a mounting plate 110, a screw rod 120 and a guide rod 130. Support plates 140 are installed on the left and right sides of the lower surface of the mounting plate 110. The screw rod 120 and the guide rod 130 are arranged in parallel between the two support plates 140, and the two ends of the screw rod 120 and the guide rod 130 are installed on the two support plates 140 one by one. A through-type linear screw rod 120 stepper motor is provided on the screw rod 120. A mounting frame 160 is provided on the through-type linear screw rod 120 stepper motor. The mounting frame 160 is guided and installed on the guide rod 130. The through-type linear screw rod 120 stepper motor can move along the screw rod 120 to drive the mounting frame 160 to move along the guide rod 130. The mounting frame 160 is used to install the mower of the intelligent lawn mower.
[0031] When in use, the mounting plate 110 of the reciprocating motion mechanism 100 provided in the embodiment of the utility model is mounted on the body of the smart lawn mower, and the mower of the smart lawn mower is mounted on the mounting frame 160. When it is necessary to adjust the mowing width of the mower in the smart lawn mower, the through-type linear lead screw 120 and the stepping motor are controlled to reciprocate along the lead screw 120, thereby driving the mower installed on the mounting frame 160 to move left and right a preset distance, thereby cutting grass of a preset width, so as to adjust the mowing width of the mower in the smart lawn mower. The guide rod 130 can assist in guiding the movement of the mounting frame 160 and prevent the mounting frame 160 from rotating.
[0032] The reciprocating motion mechanism 100 provided in the embodiment of the present utility model is specifically described in Figure 1 and Figure 2 A guide rod 130 is provided on both sides of the screw rod 120, and both sides of the mounting frame 160 are slidably mounted on the two guide rods 130 in a one-to-one correspondence. A guide rod 130 is provided on both sides of the screw rod 120, and the two guide rods 130 guide the mounting frame 160 at the same time, further improving the guiding effect on the mounting frame 160.
[0033] The reciprocating motion mechanism 100 provided in the embodiment of the present utility model, further, please refer to Figure 1 and Figure 2 , the two support plates 140 are both mounted with an inductive switch sensor 170, which is used to detect the distance between the mounting frame 160 and the support plate 140. The shortest distance between the support plate 140 where the inductive switch sensor 170 is located and the mounting frame 160 is calculated according to the preset mowing width, and the through-type linear lead screw 120 stepping motor reciprocates along the lead screw 120. When the inductive switch sensor 170 detects that the distance between the mounting frame 160 and the support plate 140 is equal to the calculated shortest distance, the through-type linear lead screw 120 stepping motor is controlled to move in the opposite direction along the lead screw 120.
[0034] The reciprocating motion mechanism 100 provided in the embodiment of the present utility model, further, please refer to Figure 1 and Figure 2 Baffles 180 are installed on both the front and rear sides of the lower surface of the mounting plate 110, and the two ends of the baffles 180 are installed on the two support plates 140 in a one-to-one correspondence. The baffles 180 can protect the screw 120, the guide rod 130 and the through-type linear screw 120 stepper motor. A flange linear bearing 161 is installed on the mounting frame 160, and the mounting frame 160 is guided and installed on the guide rod 130 through the flange linear bearing 161. A weight-reducing hole 141 is opened on the support plate 140, and the weight-reducing hole 141 can reduce the weight of the support plate 140.
[0035] The present utility model also provides an intelligent lawn mower, which has a reciprocating mechanism 100 provided in any of the above embodiments. The specific structure of the reciprocating mechanism 100 is referred to the above embodiments. Since the present intelligent lawn mower adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.
[0036] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0037] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.
Claims
1. A reciprocating motion mechanism, characterized in that: The reciprocating motion mechanism includes a mounting plate, a screw rod and a guide rod, support plates are installed on the left and right sides of the lower surface of the mounting plate, the screw rod and the guide rod are arranged in parallel between the two support plates, and the two ends of the screw rod and the guide rod are installed on the two support plates one by one, a through-type linear screw stepper motor is provided on the screw rod, a mounting frame is provided on the through-type linear screw stepper motor, the mounting frame is guided and installed on the guide rod, the through-type linear screw stepper motor can move along the screw rod to drive the mounting frame to move along the guide rod, and the mounting frame is used to install the mowing blade of the intelligent lawn mower.
2. The reciprocating motion mechanism according to claim 1, characterized in that: A guide rod is provided on both sides of the screw rod, and both sides of the installation frame are slidably installed on the two guide rods in a one-to-one correspondence.
3. The reciprocating mechanism according to claim 1, characterized in that: Inductive switch sensors are installed on the two support plates, and the inductive switch sensors are used to detect the distance between the installation frame and the support plates on which they are located.
4. The reciprocating mechanism according to claim 1, characterized in that: Baffles are installed on both the front and rear sides of the lower surface of the mounting plate, and the two ends of the baffles are installed on the two support plates in a one-to-one correspondence.
5. The reciprocating mechanism according to claim 1, characterized in that: A flange linear bearing is installed on the installation frame, and the installation frame is installed on the guide rod through the flange linear bearing.
6. The reciprocating mechanism according to claim 1, characterized in that: The support plate is provided with weight-reducing holes.
7. An intelligent lawn mower, characterized in that: The intelligent lawn mower has a reciprocating motion mechanism as described in any one of claims 1 to 6.