CN215683371U - Brake release mechanism and lawn mower - Google Patents
Brake release mechanism and lawn mower Download PDFInfo
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- CN215683371U CN215683371U CN202121875407.0U CN202121875407U CN215683371U CN 215683371 U CN215683371 U CN 215683371U CN 202121875407 U CN202121875407 U CN 202121875407U CN 215683371 U CN215683371 U CN 215683371U
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Abstract
The utility model discloses a brake release mechanism and a mower, wherein the brake release mechanism comprises: the release handle is arranged on the electromagnetic brake; a thread adjustment mechanism connected to the release handle, the thread adjustment mechanism comprising: the mounting seat is connected with the release handle; the threaded seat is connected with the mounting seat through a connecting shaft; and the threaded adjusting rod is connected with the threaded seat. The utility model enables an operator to realize the simultaneous release of the left electromagnetic brake and the right electromagnetic brake through the forward and backward rotation of the adjusting screw rod, locks the brake release position by utilizing the threads, is simple and labor-saving to operate, has a plurality of rotational degrees of freedom, allows the left electromagnetic brake and the right electromagnetic brake to be asymmetrically installed, and can realize the simultaneous release of the asymmetrically installed electromagnetic brakes within a certain angle range.
Description
Technical Field
The utility model belongs to the technical field of garden tools, and particularly relates to a brake release mechanism and a mower.
Background
A lawn mower, such as a riding lawn mower, is an automated mechanical tool for trimming a lawn that can replace a human being to reduce manpower and labor costs, and allows a driver to operate in a riding manner to trim the lawn. In recent years, with the continuous development of electronic information technology and scientific technology and the continuous enhancement of environmental awareness of people, electric mowers using electric energy as energy sources begin to appear.
Present electric drive lawn mower rear wheel all adopts motor gear box drive, and in order to realize the parking braking under the outage state, can walk motor afterbody installation electromagnetic braking usually, its theory of operation is: when the whole machine is powered on, the electromagnetic brake is powered on, and the brake disc is separated from the motor; when the whole vehicle is powered off, the electromagnetic brake is powered off, the brake disc is attracted, and the motor rotor is locked to realize parking brake of the whole vehicle. When it is necessary to move the vehicle in a power-off state in a particular situation, the electromagnetic brake disc must be manually opened and secured in position so that the vehicle can be pushed or towed. Generally, the electromagnetic brake is not capable of locking the position without movement, and is also incapable of realizing linkage of the left electromagnetic brake and the right electromagnetic brake, and if the left electromagnetic brake and the right electromagnetic brake are asymmetrically installed, the left electromagnetic brake and the right electromagnetic brake are generally difficult to release simultaneously when being connected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a brake release mechanism and a mower, which aim to solve the problems that an electromagnetic brake with a release handle mechanism cannot be locked and cannot be locked, the linkage of a left electromagnetic brake and a right electromagnetic brake cannot be realized, and the simultaneous release of the left electromagnetic brake and the right electromagnetic brake cannot be realized easily in common connection if the left electromagnetic brake and the right electromagnetic brake are installed asymmetrically.
The utility model provides a brake release mechanism, comprising:
the release handle is arranged on the electromagnetic brake;
a thread adjustment mechanism connected to the release handle, the thread adjustment mechanism comprising:
the mounting seat is connected with the release handle;
the threaded seat is connected with the mounting seat through a connecting shaft;
and the threaded adjusting rod is connected with the threaded seat.
In one embodiment of the utility model, the release handle comprises a first release handle and a second release handle, and the first release handle and the second release handle are respectively connected with the two electromagnetic brakes.
In one embodiment of the utility model, the mounting seat comprises a first mounting seat and a second mounting seat, the first mounting seat is connected with the first release handle through a first connecting shaft, and the second mounting seat is connected with the second release handle through a second connecting shaft.
In one embodiment of the utility model, the threaded seat comprises a first threaded seat and a second threaded seat, and the first threaded seat is rotatably connected with the first mounting seat through a fourth connecting shaft; the second threaded seat is rotatably connected with the second mounting seat through a fifth connecting shaft.
In one embodiment of the utility model, the thread direction of the threaded hole in the first threaded seat is opposite to the thread direction of the threaded hole in the second threaded seat.
In an embodiment of the utility model, two ends of the screw thread adjusting rod are respectively provided with screw threads and are respectively connected with the first screw thread seat and the second screw thread seat, and the rotation directions of the screw threads at the two ends of the screw thread adjusting rod are opposite.
In one embodiment of the utility model, the mounting seat is a U-shaped mounting seat.
The utility model also proposes a mower comprising:
a frame;
the driving motor is arranged on the frame;
the traveling wheel is arranged on the frame and is connected with the driving motor;
the electromagnetic brake is arranged on the driving motor;
a brake release mechanism mounted on the electromagnetic brake, the brake release mechanism comprising:
the release handle is arranged on the electromagnetic brake;
a thread adjustment mechanism connected to the release handle, the thread adjustment mechanism comprising:
the mounting seat is connected with the release handle;
the threaded seat is connected with the mounting seat through a connecting shaft;
the threaded adjusting rod is connected with the threaded seat;
and the power source is arranged on the frame and is electrically connected with the driving motor.
In one embodiment of the utility model, the driving motor comprises a first driving motor and a second driving motor, and the first driving motor and the second driving motor are installed on the frame and connected with the road wheels.
In one embodiment of the present invention, the electromagnetic brake includes a first electromagnetic brake and a second electromagnetic brake, and the first electromagnetic brake and the second electromagnetic brake are respectively installed at the tail portions of the first driving motor and the second driving motor.
The utility model provides a brake release mechanism and a mower, wherein a simple and convenient positive and negative thread adjusting mechanism is arranged between two release handles to connect a left electromagnetic brake and a right electromagnetic brake, an operator can realize the simultaneous release of the left electromagnetic brake and the right electromagnetic brake through positive and negative rotation of an adjusting screw rod, and lock the release position of the brakes by utilizing threads, so that the operation is simple, convenient and labor-saving, the structure has a plurality of rotational degrees of freedom, and the electromagnetic brakes which are asymmetrically arranged on the left and the right sides are allowed to release simultaneously in a certain angle range.
The utility model provides a brake release mechanism and a mower, which are used for an electrically-driven riding mower, a hub motor driving scheme is used for replacing a driving motor and a gear box, the mounting space of a battery pack is enlarged, the mounting height of a new battery pack is lower through the cooperative design of a rack and the battery pack, the front mounting position and the rear mounting position are closer to the centroid position of the whole mower, and the gravity center of the whole mower is more reasonable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a brake release mechanism according to the present invention.
FIG. 2 is a schematic view of another angle structure of a brake release mechanism according to the present invention.
Fig. 3 is an exploded view of a brake release mechanism according to the present invention.
FIG. 4 is an exploded view of a thread adjusting mechanism for a lawn mower according to the present invention
Fig. 5 is a schematic view illustrating an installation of a driving motor and a screw adjusting mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a thread adjusting mechanism according to an embodiment of the utility model.
FIG. 7 is a schematic view of the braking and releasing directions of the brake release mechanism according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a lawn mower according to the present invention.
Fig. 9 is an exploded view of a lawn mower according to the present invention.
Description of reference numerals:
a brake release mechanism 100; a first drive motor 11; a second drive motor 12; a first electromagnetic brake 21; a second electromagnetic brake 22; a first release handle 31; a second release handle 32; a screw adjustment mechanism 40; a first connecting shaft 401; a second connecting shaft 402; a third connecting shaft 301; a first mount 411; a second mount 412; a first threaded seat 421; a second screw seat 422; a fourth connecting shaft 404; a fifth connecting shaft 405; a screw adjustment lever 43; a frame 51; front wheels 511; a rear wheel 512.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In order to solve the problems that a mechanism with a release handle of an electromagnetic brake cannot lock a position and cannot realize linkage of a left electromagnetic brake and a right electromagnetic brake, and simultaneously, if the left electromagnetic brake and the right electromagnetic brake are asymmetrically installed, simultaneous release of the left electromagnetic brake and the right electromagnetic brake is difficult to realize in a general connection mode, the utility model provides a brake release mechanism 100 and a mower, as shown in fig. 1 to 6, the brake release mechanism 100 comprises a release handle and a thread adjusting mechanism, the release handle is installed on the electromagnetic brake, and the thread adjusting mechanism is connected with the release handle.
As shown in fig. 1 to 3, in this embodiment, the electromagnetic brake is installed at a rear portion of the driving motor, the driving motor includes a first driving motor 11 and a second driving motor 12, and the first driving motor 11 and the second driving motor 12 are respectively installed on the machine and connected to a road wheel of the machine.
As shown in fig. 1 to 3, in this embodiment, the electromagnetic brake is provided with a release handle, and the release handle is connected to the electromagnetic brake through a third connecting shaft 301, specifically, the release handle includes a first release handle 31 and a second release handle 32, the first release handle 31 is installed on the first electromagnetic brake 21 and connected to the first electromagnetic brake 21 through the third connecting shaft 301, and the second release handle 32 is installed on the second electromagnetic brake 22 and connected to the second electromagnetic brake 22 through the third connecting shaft 301.
As shown in fig. 1 to 4, in the present embodiment, the first release handle 31 and the second release handle 32 rotate around the two third connecting shafts 301 in a direction toward or away from each other, and when the second release handle 32 rotates in a direction away from the second driving motor 12, the second electromagnetic brake 22 is in a release state, and when the second release handle 32 rotates in a direction toward the second driving motor 12, the second electromagnetic brake 22 is in a brake state.
As shown in fig. 1 to 4, in this embodiment, the first release handle 31 and the second release handle 32 are connected by a thread adjusting mechanism 40, specifically, one end of the thread adjusting mechanism 40 is connected to the first release handle 31 by a first connecting shaft 401, the other end is connected to the second release handle 32 by a second connecting shaft 402, the first connecting shaft 401 and the second connecting shaft 402 are located at the middle positions of the first release handle 31 and the second release handle 32, respectively, and a certain angle may exist between the first connecting shaft 401 and the second connecting shaft 402, for example, the angle between the first connecting shaft and the second connecting shaft is set to be 0 ° to 30 °, that is, it is able to achieve simultaneous release of electromagnetic brakes installed asymmetrically at left and right within a certain angle range, of course, the angle between the first connecting shaft 401 and the second connecting shaft 402 may also be set to be 0 °, and when the angle is 0 degree, the two electromagnetic brakes are symmetrically arranged on the two driving motors.
As shown in fig. 3 and 5, in the present embodiment, the screw thread adjusting mechanism 40 includes a mounting seat, a screw seat and a screw thread adjusting rod 43, the mounting seat is connected with the release handle through a bolt, in the present embodiment, the bolt is a rotating shaft of the mounting seat relative to the release handle, so that the mounting seat has a rotational degree of freedom relative to the release handle. Specifically, the mounting seat includes a first mounting seat 411 and a second mounting seat 412, the first mounting seat 411 is mounted on the first release handle 31 through a first connecting shaft 401, the second mounting seat 412 is mounted on the second release handle 32 through a second connecting shaft 402, wherein the first connecting shaft 401 and the second connecting shaft 402 are bolts. In this embodiment, the screw base includes a first screw base 421 and a second screw base 422, the first screw base 421 is connected to the first mounting base 411 through a fourth connecting shaft 404, the second screw base 422 is connected to the second mounting base 412 through a fifth connecting shaft 405, that is, the first screw base 421 and the second screw base 422 have a certain degree of freedom of rotation with respect to the first mounting base 411 and the second mounting base 412, that is, within a certain range, the first screw base 421 and the second screw base 422 may rotate with the fourth connecting shaft 404 and the fifth connecting shaft 405 as rotation axes, respectively, in this embodiment, the fourth connecting shaft 404 and the fifth connecting shaft 405 are, for example, bolts. In this embodiment, the screw thread direction of the screw hole in the first screw base 421 is opposite to the screw thread direction of the screw hole in the second screw base 422, and the screw adjusting rod 43 is connected through the screw hole. Specifically, for example, the screw thread direction of the screw hole in the first screw base 421 is set to be right-handed, the screw thread direction of the screw hole in the second screw base 422 is set to be left-handed, the first screw base 421 rotates with the fourth connecting shaft 404 as a rotating shaft, and the second screw base 422 rotates with the fifth connecting shaft 405 as a rotating shaft. In this embodiment, both ends of the screw thread adjusting rod 43 are respectively provided with screw threads, and are respectively connected with the first screw thread seat 421 and the second screw thread seat 422, and the screw thread directions of both ends of the screw thread adjusting rod 43 are opposite and are matched with the screw thread direction in the first screw thread seat 421 and the screw thread direction in the second screw thread seat 422, in this embodiment, the screw thread adjusting rod 43 is further provided with an operating rod 431, and the operating rod 431 can be used to operate and rotate the screw thread adjusting rod 43.
As shown in fig. 1 to 6, in the present embodiment, by operating the operating rod 431 to rotate the threaded adjustment rod 43, when the threaded adjustment rod 43 rotates in a first direction, the distance between the first threaded seat 421 and the second threaded seat 422 gradually decreases, and at this time, the electromagnetic brake release handle moves to the "release" position, whereas when the threaded adjustment rod 43 rotates in an opposite direction to the first direction, the distance between the first threaded seat 421 and the second threaded seat 422 increases, and at this time, the electromagnetic brake release handle moves to the "brake" position. That is, the brake release mechanism has a plurality of rotational degrees of freedom by providing a plurality of connecting shafts, for example, the mounting base has a rotational degree of freedom relative to the release handle, the screw base has a rotational degree of freedom relative to the mounting base, so that even if there is a certain angular deviation between the first connecting shaft 401 and the second connecting shaft 402, the brake release mechanism can be automatically adjusted by the rotational degrees of freedom such as the mounting base rotating relative to the release handle and the screw base rotating relative to the mounting base, that is, a certain angular deviation between the first connecting shaft 401 and the second connecting shaft 402 is allowed during mounting, so that the electromagnetic brakes asymmetrically mounted on the left and right sides can be simultaneously released within a certain angular range, and since the adjustment process is performed by screw adjustment, the distance between the first screw base 421 and the second screw base 422 is gradually shortened by operating the operating rod 431 to rotate the screw adjustment rod 43, at this time, the electromagnetic brake release handle moves to the release position until the release is completed, and the external force is stopped being applied after the release is completed, because the threaded adjustment rod 43 and the threaded adjustment seat are in threaded connection, the threaded adjustment rod 43 cannot rotate under the effect of no external force, so that the distance between the first threaded seat 421 and the second threaded seat 422 is kept unchanged, namely, the brake is kept at the release position after the external force is removed.
As shown in fig. 7 and 8, the present invention also provides a lawn mower to which the brake release mechanism described in the above embodiments is applied. Specifically, the lawn mower includes a frame 51, traveling wheels, driving motors, a brake releasing mechanism and a power source, the first driving motor 11 and the second driving motor 12 are respectively mounted on the frame and connected to the traveling wheels of the lawn mower for driving the lawn mower, preferably, the first driving motor 11 and the second driving motor 12 are symmetrically mounted, the traveling wheels include front wheels 511 mounted on the front end of the frame 51 and rear wheels 512 mounted on the rear end of the frame 51, the rear wheels 512 are driving wheels of the lawn mower, that is, the first driving motor 11 and the second driving motor 12 are respectively mounted on the two rear wheels 512, the brake releasing mechanism is mounted between the first driving motor 11 and the second driving motor 12, the power source is mounted on the frame 51 and electrically connected to the driving motors, to power the mower, the power source is provided, for example, as a battery pack in this embodiment. And simultaneously, first driving motor 11 with all install electromagnetic brake on the second driving motor 12, it is specific, electromagnetic brake includes first electromagnetic brake 21 and second electromagnetic brake 22, first electromagnetic brake 21 installs first driving motor 11's afterbody, second electromagnetic brake 22 installs the afterbody of second electromagnetic brake 12 for realize brake braking.
The utility model provides a brake release mechanism and a mower, wherein electromagnetic brakes are arranged on two driving motors, release handles are arranged on the electromagnetic brakes, a simple and convenient thread adjusting mechanism is arranged between the two release handles to connect a left electromagnetic brake and a right electromagnetic brake, the rotating directions of thread adjusting rods of the thread adjusting mechanism are opposite, an operator can realize the simultaneous release of the left electromagnetic brake and the right electromagnetic brake through forward and backward rotation of adjusting screws, and lock the brake release positions by utilizing threads, the operation is simple and labor-saving, and the brake release mechanism provided by the utility model has multiple rotational degrees of freedom, allows the asymmetric installation of the left electromagnetic brake and the right electromagnetic brake, and can realize the simultaneous release of the asymmetrically installed electromagnetic brakes within a certain angle range.
The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. A brake release mechanism, comprising:
the release handle is arranged on the electromagnetic brake;
a thread adjustment mechanism connected to the release handle, the thread adjustment mechanism comprising:
the mounting seat is connected with the release handle;
the threaded seat is connected with the mounting seat through a connecting shaft;
and the threaded adjusting rod is connected with the threaded seat.
2. The brake release mechanism of claim 1, wherein the release handle includes a first release handle and a second release handle, the first release handle and the second release handle being coupled to the two electromagnetic brakes, respectively.
3. The brake release mechanism of claim 2, wherein the mounting block includes a first mounting block and a second mounting block, the first mounting block being coupled to the first release handle by a first connection shaft, the second mounting block being coupled to the second release handle by a second connection shaft.
4. The brake release mechanism of claim 3, wherein the threaded base includes a first threaded base and a second threaded base, the first threaded base being rotatably coupled to the first mounting base by a fourth coupling shaft; the second threaded seat is rotatably connected with the second mounting seat through a fifth connecting shaft.
5. The brake release mechanism of claim 4, wherein the threaded bore of the first threaded seat has an opposite thread orientation than the threaded bore of the second threaded seat.
6. The brake release mechanism of claim 4, wherein the two ends of the threaded adjustment rod are respectively provided with threads and are respectively connected with the first threaded seat and the second threaded seat, and the threads at the two ends of the threaded adjustment rod are opposite in rotation direction.
7. The brake release mechanism of claim 1, wherein the mounting block is a U-shaped mounting block.
8. A lawn mower, comprising:
a frame;
the driving motor is arranged on the frame;
the traveling wheel is arranged on the frame and is connected with the driving motor;
the electromagnetic brake is arranged on the driving motor;
a brake release mechanism mounted on the electromagnetic brake, the brake release mechanism comprising:
the release handle is arranged on the electromagnetic brake;
a thread adjustment mechanism connected to the release handle, the thread adjustment mechanism comprising:
the mounting seat is connected with the release handle;
the threaded seat is connected with the mounting seat through a connecting shaft;
the threaded adjusting rod is connected with the threaded seat;
and the power source is arranged on the frame and is electrically connected with the driving motor.
9. The lawnmower of claim 8, wherein the drive motor comprises a first drive motor and a second drive motor, the first drive motor and the second drive motor mounted on the frame and connected to the road wheels.
10. The lawnmower of claim 9, wherein the electromagnetic brakes comprise a first electromagnetic brake and a second electromagnetic brake, the first electromagnetic brake and the second electromagnetic brake mounted at a rear of the first drive motor and the second drive motor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875407.0U CN215683371U (en) | 2021-08-11 | 2021-08-11 | Brake release mechanism and lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875407.0U CN215683371U (en) | 2021-08-11 | 2021-08-11 | Brake release mechanism and lawn mower |
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| Publication Number | Publication Date |
|---|---|
| CN215683371U true CN215683371U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121875407.0U Active CN215683371U (en) | 2021-08-11 | 2021-08-11 | Brake release mechanism and lawn mower |
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| CN (1) | CN215683371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056066A1 (en) * | 2022-09-16 | 2024-03-21 | 格力博(江苏)股份有限公司 | Lawn mower |
-
2021
- 2021-08-11 CN CN202121875407.0U patent/CN215683371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056066A1 (en) * | 2022-09-16 | 2024-03-21 | 格力博(江苏)股份有限公司 | Lawn mower |
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