CN114110082A

CN114110082A - Coupling assembling and lawn mower

Info

Publication number: CN114110082A
Application number: CN202111421072.XA
Authority: CN
Inventors: 杨勇
Original assignee: Shenzhen 3irobotix Co Ltd
Current assignee: Shenzhen 3irobotix Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-01
Anticipated expiration: 2041-11-26
Also published as: CN114110082B

Abstract

The invention discloses a connecting assembly for connecting a floating cover and a machine body, which comprises: the vertical displacement piece comprises a lower support and an upper support partially accommodated in the lower support, the upper support can vertically move relative to the lower support, and the top end of the upper support is movably connected with the floating cover; the mounting seat is sleeved outside the lower support and is used for being fixed with the machine body; the buffer piece is sleeved outside the lower bracket, and two ends of the buffer piece are respectively limited on the lower bracket and the mounting seat; the first elastic piece is sleeved outside the lower support and positioned in the mounting seat, and two ends of the first elastic piece are respectively abutted against the inner wall of the mounting seat and the bottom end of the lower support. The invention also discloses a mower. The invention has simple structure and good connection stability between the floating cover and the machine body; the rigid acting force of the floating cover on the machine body is reduced, and horizontal and vertical displacement can be detected, so that a protection mechanism is facilitated; reduce the replacement cost, improve work efficiency.

Description

Coupling assembling and lawn mower

Technical Field

The invention relates to the technical field of mowing equipment, in particular to a connecting assembly and a mower.

Background

The obstacle can be touch in the lawn mower during operation on the lawn inevitable, and when avoiding lawn mower and obstacle to bump, the organism of lawn mower is directly strikeed to the obstacle, leads to the work termination of lawn mower and influences the life of lawn mower, can set up a cover that floats on the organism of lawn mower usually, sets up the rubber spare between the organism of cover and lawn mower and realize being connected to play the effect of buffering and reseing.

However, the rubber piece and the machine body are directly connected, when the rubber piece is impacted, the floating cover and the machine body can pull and impact the rubber piece, so that the service life of the rubber piece is shortened at an accelerated speed, after the rubber piece is used for many times, the buffer performance of the rubber piece is greatly reduced, the rubber piece needs to be replaced, the working process is prolonged, and the working efficiency is reduced; in addition, when the mower is lifted, the danger that the cutting knife cuts a hand is easy to occur, the action of turning off the power supply needs to be operated, and the operation is very complicated and the working efficiency is low.

Disclosure of Invention

In view of the defects in the prior art, the invention aims to provide a connecting assembly and a mower.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a coupling assembly for coupling a floating cover and a housing, the coupling assembly comprising:

the vertical displacement piece comprises a lower support and an upper support partially accommodated in the lower support, the upper support can vertically move relative to the lower support, and the top end of the upper support is movably connected with the floating cover;

the mounting seat is sleeved outside the lower support and is used for being fixed with the machine body;

the buffer piece is sleeved outside the lower support, and two ends of the buffer piece are respectively limited on the lower support and the mounting seat;

the first elastic piece is sleeved outside the lower support and positioned in the mounting seat, and two ends of the first elastic piece are respectively abutted against the inner wall of the mounting seat and the bottom end of the lower support.

As a further improvement of the present invention, the vertical displacement member further includes a second elastic member, the second elastic member is sleeved outside the upper bracket and located inside the lower bracket, a top end of the second elastic member abuts against an inner wall of the lower bracket, and a bottom end of the second elastic member abuts against a bottom end of the upper bracket.

As a further improvement of the present invention, the upper bracket includes an upper support rod and a lower support rod connected to each other, the outer diameter of the upper support rod is larger than the outer diameter of the lower support rod, a first step is formed at the joint of the upper support rod and the lower support rod, the top end of the lower support rod abuts against the first step, and the lower support rod is accommodated in the lower support rod.

As a further improvement of the invention, the bottom end of the lower support rod is provided with a stop piece which is abutted with the bottom end of the second elastic piece.

As a further improvement of the invention, a third elastic part is arranged on the inner wall of the floating cover, and a ball head is arranged at the top end of the upper bracket and is arranged in the third elastic part.

As a further improvement of the present invention, the buffer member is a cylinder having a sidewall with corrugations.

As a further improvement of the present invention, the outer wall of the mounting seat is provided with a first recessed portion, and the bottom end of the buffer member is engaged with the first recessed portion.

As a further improvement of the present invention, a second recessed portion is provided on an outer wall of a top end of the lower bracket, and the top end of the buffer member is engaged with the second recessed portion.

As a further improvement of the present invention, a second step is disposed on an inner wall of the mounting seat, a baffle is disposed at a bottom end of the lower bracket, a top end of the first elastic member abuts against the second step, and a bottom end of the first elastic member abuts against the baffle.

The utility model provides a lawn mower, including floating cover and organism, still including set up in floating the cover with first coupling mechanism between the organism, first coupling mechanism includes two coupling assembling and two supporting component, two coupling assembling is located the front side of organism, two the supporting component is located the rear side of organism, the supporting component can pass through the horizontal force that the cover received floats produces deformation.

The utility model provides a lawn mower, is including floating cover and organism, still including set up in floating the cover with second coupling mechanism between the organism, second coupling mechanism include four coupling assembling, four coupling assembling is located respectively around the organism.

The invention has the beneficial effects that:

(1) simple structure makes the connection stability between cover and the organism good that floats through the cooperation between vertical displacement piece, bolster, support and the first elastic component.

(2) When floating cover and barrier striking, vertical displacement spare and buffer carry out the swing around and about, and the buffering floats the rigid impact force of cover to the organism, can produce horizontal displacement simultaneously, thereby it has the collision to collide the shutdown protection to be convenient for detect, and can in time produce the restoring force after taking place to warp for floating cover restores to initial position, realizes the protection to the organism.

(3) When the floating cover is lifted, the upper bracket compresses the second elastic piece to move upwards relative to the lower bracket, so that vertical displacement can be generated, and the detection is convenient for lifting and shutdown protection.

(4) The impact that the cover received floats transmits for vertical displacement piece and buffer through the third elastic component, avoids the direct impact of third elastic component and organism, protects third elastic component and organism, prolongs the life of third elastic component and organism, reduces the replacement cost, improves work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a preferred embodiment of a connection assembly of the present invention;

FIG. 2 is a schematic structural view of a mower according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a support assembly according to a preferred embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present embodiment provides a connection assembly 1 for connecting a floating cover 2 and a machine body 3. The connecting assembly 1 comprises a vertical displacement piece 10, a mounting seat 20, a buffering piece 30 and a first elastic piece 40, wherein the vertical displacement piece 10 comprises a lower support 101 and an upper support 102 partially accommodated in the lower support 101, the upper support 102 can vertically move relative to the lower support 101, the top end of the upper support 102 is movably connected with the floating cover 2, and when the upper support 102 vertically displaces relative to the lower support 101, the floating cover 2 can be conveniently judged to be lifted through the vertical displacement, so that the lifting protection is conveniently carried out; the mounting base 20 is sleeved outside the lower bracket 101 and used for being fixed with the machine body 3; the buffer member 30 is sleeved outside the lower support 101, and two ends of the buffer member are respectively limited on the lower support 101 and the mounting seat 20, when the floating cover 2 is collided, the buffer member 30 can swing relative to the machine body 3, so that collision force is prevented from directly acting on the machine body 3, impact of collision on the machine body 3 is buffered, and meanwhile, the floating cover 2 is displaced in the front-back direction and the left-right direction, so that the collision of the floating cover 2 is judged conveniently through the horizontal displacement, and collision protection is facilitated; the first elastic element 40 is sleeved outside the lower support 101 and located in the mounting seat 20, and two ends of the first elastic element are respectively abutted to the inner wall of the mounting seat 20 and the bottom end of the lower support 101, so that the lower support 101 is prevented from moving vertically, the relative stability between the floating cover 2 and the machine body 3 is improved, and meanwhile, the swinging force of the buffer element 30 is ensured through the arrangement of the first elastic element 40.

Specifically, the vertical displacement member 10 further includes a second elastic member 103, the second elastic member 103 is sleeved outside the upper bracket 102 and located inside the lower bracket 101, a top end of the second elastic member 103 abuts against an inner wall of the lower bracket 101, a bottom end of the second elastic member 103 abuts against a bottom end of the upper bracket 102, and the upper bracket 102 can compress the second elastic member 103 to realize vertical displacement.

More specifically, the upper bracket 102 includes an upper support 104 and a lower support 105 connected to each other, the outer diameter of the upper support 104 is larger than the outer diameter of the lower support 105, a first step 106 is formed at the connection between the upper support 104 and the lower support 105, the top end of the lower bracket 101 abuts against the first step 106, the lower support 105 is accommodated in the lower bracket 101, and the upper support 104 of the upper bracket 102 is stably supported on the lower bracket 101, so that the upper bracket 102 has good support stability for the floating cover 2.

More specifically, the upper portion of the upper support pole 104 is tapered to improve the stability of the support of the floating cover 2.

To improve the stability of upper bracket 102, upper support 104 is preferably integrally formed with lower support 105.

In order to further improve the stability of the lower holder 101, the bottom end of the lower holder 101 preferably abuts against the body 3.

In order to achieve the fixation of the second elastic member 103, the bottom end of the lower rod 105 is preferably provided with a stopper abutting against the bottom end of the second elastic member 103. Specifically, the stopper includes a screw 107 and a washer 108, and a threaded sleeve engaged with the screw 107 is embedded in the bottom of the lower support rod 105, and technically, the threaded sleeve is embedded when the lower support rod 105 is injection molded. The washer 108 is locked to the bottom end of the lower support rod 105 by the screw 107, so that the washer 108 abuts against the bottom end of the second elastic member 103.

The inner wall of the floating cover 2 is provided with a third elastic part 50, the top end of the upper bracket 102 is provided with a ball head 109, and the ball head 109 is arranged in the third elastic part 50. A groove may be formed in the inner wall of the floating cover 2, the third elastic member 50 may be embedded in the groove, and the third elastic member 50 may be locked to the floating cover 2 by a locking screw. The third elastic member 50 includes a main body portion and an edge portion, the main body portion and the edge portion are made of different materials, and are integrally injection-molded in the process, preferably, the main body portion is made of a thermoplastic vulcanized elastic material, and the edge portion is made of a hard rubber. The third elastic member 50 is firmly and firmly connected with the floating cover 2 by arranging the edge portion made of the hard rubber material.

Preferably, the buffer member 30 is a cylindrical member having a sidewall with corrugations to facilitate the swinging of the buffer member 30. Preferably, the buffer member 30 is a rubber member.

The outer wall of the mounting seat 20 is provided with the first recessed portion 201, and the bottom end of the buffer 30 is engaged with the first recessed portion 201, so that the buffer 30 can be conveniently mounted or dismounted, and meanwhile, when the buffer 30 swings, the sealing performance between the bottom end of the buffer 30 and the mounting seat 20 can be ensured, and the dustproof and waterproof performance is good. Specifically, the first recess 201 is a first annular groove.

The second recessed portion 110 is provided on the outer wall of the top end of the lower bracket 101, and the top end of the cushion member 30 engages with the second recessed portion 110, so that the sealing property between the top end of the cushion member 30 and the lower bracket 101 can be ensured even when the cushion member 30 swings, and the dust-proof and water-proof properties are excellent. Specifically, the second recess 110 is a second annular groove.

The inner wall of the mounting seat 20 is provided with a second step 202, the bottom end of the lower bracket 101 is provided with a baffle 111, the top end of the first elastic member 40 abuts against the second step 202, and the bottom end of the first elastic member 40 abuts against the baffle 111.

Specifically, the first elastic member 40 and the second elastic member 103 are both springs.

In order to detect whether the floating cover 2 is displaced horizontally or vertically, whether the floating cover 2 is collided by horizontal force or whether the floating cover 2 is lifted is convenient to know, and therefore a shutdown protection mechanism is triggered. Specifically, the shutdown protection mechanism may be: a first inductor (not shown in the figure) and a second inductor (not shown in the figure) are arranged in the floating cover 2, a first magnet 301 and a second magnet 302 are arranged on the machine body 3, the first magnet 301 is matched with the first inductor to detect horizontal displacement, and the second magnet 302 is matched with the second inductor to detect vertical displacement.

When the floating cover 2 collides with an obstacle, the vertical displacement piece 1 and the buffer piece 30 swing to generate horizontal displacement; when the floating cover 2 is lifted, the third elastic element 50 and the ball head 109 drive the upper bracket 102 to compress the second elastic element 103 to move vertically, so that vertical displacement is generated.

As shown in fig. 2 and 3, an embodiment of the present application further provides a lawn mower, including floating cover 2, machine body 3 and a first connecting mechanism disposed between floating cover 2 and machine body 3, where the first connecting mechanism includes two connecting assemblies 1 and two supporting assemblies 4, two connecting assemblies 1 are located on the front side of machine body 3, two supporting assemblies 4 are located on the rear side of machine body 3, and supporting assemblies 4 can swing by a horizontal force applied to floating cover 2.

In the present embodiment, as shown in fig. 3, the support assembly 4 includes a column 60, a support 70, a swinging member 80 and a fourth elastic member 90, wherein the top end of the column 60 is movably connected with the floating cover 2; the support 70 is sleeved outside the upright column 60 and used for fixing with the machine body 3; the swinging piece 80 is sleeved outside the upright post 60, two ends of the swinging piece 80 are respectively limited on the upright post 60 and the support 70, when the floating cover 2 is collided, the swinging piece 80 can swing relative to the machine body 3, the collision force is prevented from directly acting on the machine body 3, the impact of the collision on the machine body 3 is buffered, meanwhile, the floating cover 2 has displacement in the front-back direction and the left-right direction, the collision of the floating cover 2 is judged conveniently through the displacement, and the collision protection is facilitated; the fourth elastic component 90 is sleeved outside the stand column 60 and located in the support 70, and two ends of the fourth elastic component are respectively abutted to the inner wall of the support 70 and the bottom end of the stand column 60, so that the stand column 60 is prevented from moving vertically, the relative stability between the floating cover 2 and the machine body 3 is improved, and meanwhile, the swinging force of the swinging component 80 is ensured through the arrangement of the fourth elastic component 90. Preferably, the fourth elastic member 90 is a spring.

Specifically, the support assembly 4 further includes a fifth elastic member 100, the fifth elastic member 100 is fixed on the inner wall of the floating cover 2, a ball 601 is disposed at the top end of the upright post 60, and the ball 601 is disposed in the floating cover 2. The fifth elastic member 100 is preferably a rubber member.

Specifically, the outer side wall of the upright post 60 is provided with a first clamping groove 602, and the top end of the swinging member 80 is clamped into the first clamping groove 602, so that the stability of the swinging member 80 limited on the upright post 60 is improved, and the sealing performance of the matching part of the swinging member 80 and the upright post 60 is improved. More specifically, the first card slot 602 is annular.

Specifically, a second clamping groove 701 is formed in the support 70, the bottom end of the oscillating piece 80 is clamped into the second clamping groove 701, the stability of the oscillating piece 80 limited on the support 70 is improved, and the sealing performance of the matching position of the oscillating piece 80 and the support 70 is improved. More specifically, the second card slot 701 has a ring shape.

Specifically, the bottom end of the upright post 60 abuts against the inside of the machine body 3, further improving the relative stability between the floating cover 2 and the machine body 3.

In other embodiments, the lawn mower includes a floating cover 2, a machine body 3, and a second connecting mechanism disposed between the floating cover 2 and the machine body 3, where the second connecting mechanism includes four connecting assemblies 1, and the four connecting assemblies 1 are respectively located around the machine body 3.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A coupling assembling for connecting cover and organism float, its characterized in that, coupling assembling includes:

2. The connecting assembly of claim 1, wherein the vertical displacement member further comprises a second elastic member, the second elastic member is sleeved outside the upper bracket and inside the lower bracket, a top end of the second elastic member abuts against an inner wall of the lower bracket, and a bottom end of the second elastic member abuts against a bottom end of the upper bracket.

3. The connecting assembly according to claim 2, wherein the upper bracket comprises an upper support rod and a lower support rod which are connected with each other, the outer diameter of the upper support rod is larger than that of the lower support rod, a first step is formed at the joint of the upper support rod and the lower support rod, the top end of the lower bracket abuts against the first step, and the lower support rod is accommodated in the lower bracket.

4. A connecting assembly according to claim 3, characterised in that the bottom end of the lower strut is provided with a stop which abuts against the bottom end of the second resilient member.

5. The connecting assembly according to claim 1, wherein the inner wall of the floating cover is provided with a third elastic member, and the top end of the upper bracket is provided with a ball head which is arranged in the third elastic member.

6. The connection assembly of claim 1, wherein the bumper is a cylinder having sidewalls that are pleated.

7. The connecting assembly according to claim 1, wherein the outer wall of the mounting seat is provided with a first recess, and the bottom end of the buffer member is engaged with the first recess.

8. The connecting assembly according to claim 1, wherein the top outer wall of the lower bracket is provided with a second recess, and the top end of the buffer member is engaged with the second recess.

9. The connecting assembly according to claim 1, wherein a second step is arranged on the inner wall of the mounting seat, a baffle is arranged at the bottom end of the lower support, the top end of the first elastic member abuts against the second step, and the bottom end of the first elastic member abuts against the baffle.

10. A lawnmower comprising a floating cover and a machine body, and further comprising a first connecting mechanism disposed between the floating cover and the machine body, wherein the first connecting mechanism comprises two connecting assemblies according to any one of claims 1 to 9 and two supporting assemblies, the two connecting assemblies are located on the front side of the machine body, the two supporting assemblies are located on the rear side of the machine body, and the supporting assemblies can be deformed by a horizontal force applied to the floating cover.

11. A lawnmower comprising a floating cover and a machine body, and further comprising a second connecting mechanism disposed between the floating cover and the machine body, the second connecting mechanism comprising four connecting assemblies according to any one of claims 1 to 9, the four connecting assemblies each being located around the machine body.