CN209449258U - A kind of lawn machine electrically activates structure - Google Patents

Abstract

Structure is electrically activated the utility model discloses a kind of lawn machine, including key case, perforative keyhole is provided on the end face of the key case, initiation key is inserted in the keyhole, the other end of the key case has switch enclosure, the switch enclosure includes box body, box cover is fixedly connected on the box body, sliding shoe is slidably connected in the box body, the first hole is provided on the box body, the initiation key can push sliding shoe sliding by the keyhole, the sliding shoe is connected with the first elastic device far from one end of key case, conductive sheet is connected on the sliding shoe, it is corresponded on the switch enclosure at the position of the conductive sheet and is provided with first electrode and second electrode, the first electrode and second electrode and the switch enclosure interior thereof；This practical advantage is that startup structure is simple, and safe operation, key can be dismantled at any time, prevent from opening by mistake and open.

Description

A kind of lawn machine electrically activates structure

Technical field

Structure is electrically activated the utility model relates to lawn machine more particularly to a kind of lawn machine.

Background technique

In order to avoid causing unexpected injury to operator, grass trimmer usually requires to meet a series of safety requirement.For example, In order to minimize grass trimmer by a possibility that accidental switch, the switching mechanism of grass trimmer must include two activation members, and two Activation members must could start grass trimmer by basic operate simultaneously.Switching mechanism is arranged usually in the form of switch enclosure in grass trimmer Hand push push rod at, operated near operator's grip portions.

Initiation key on switch enclosure is fixed on switch enclosure, is easy that accidentally behaviour does and opens lawn machine by children when placement, When side is accompanied without adult, it is easy to damage children.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of start-up operation is simple, the dismountable lawn of key Machine electrically activates structure.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of lawn machine electrically activates structure, Including key case, it is provided with perforative keyhole on the end face of the key case, initiation key, institute are inserted in the keyhole The other end for stating key case has switch enclosure, and the switch enclosure includes box body, and box cover, the box body are fixedly connected on the box body Sliding shoe is inside slidably connected, the box body corresponds at the position between the sliding shoe and initiation key and is provided with first Hole, the initiation key can push sliding shoe sliding by the keyhole, and the sliding shoe is connected far from one end of key case There is the first elastic device, conductive sheet is connected on the sliding shoe, is corresponded at the position of the conductive sheet on the switch enclosure It is provided with first electrode and second electrode, the first electrode and second electrode and the switch enclosure interior thereof.It needs to start When equipment, initiation key is pressed, the initiation key slides in the keyhole, and pushes the sliding shoe in the box body Interior sliding, the conductive sheet on the sliding shoe are connected the first electrode and second electrode, start engine, and structure is simple, behaviour Make simplicity, securely and reliably, the initiation key is detachable, can prevent children from accidentally touching antitheft with lawn machine.

It is further improved compared to above scheme, the outside of the box cover is arranged in the first electrode and second electrode On face, the first conducting block and the second conducting block, first conducting block are connected separately in the first electrode and second electrode It is located at the box cover with one end of the second conducting block and box body forms in closed first cavity.

It is further improved compared to above scheme, the first electrode and second electrode are respectively by first conducting block It is riveted on the box cover with the second conducting block, electrode is fixed on the box cover using conducting block, reduce corresponding solid Surely part is used, and fixation is more firm, connection is more preferable.

It is further improved compared to above scheme, the sliding shoe is connected with the second elasticity dress on the side of box cover The other end of the one end set, second elastic device connects with conductive sheet, and the conductive sheet is flexibly connected with sliding shoe, described Conductive sheet is tightly attached on the box cover under the action of second elastic device, as the sliding shoe is slided and is connected together First electrode and second electrode on the box cover, can make the conductive sheet come into full contact with electrode, can also reduce abrasion.

It is further improved compared to above scheme, on medial surface of the box cover towards the box body and corresponding to conduction The first protrusion, the height of the height of first protrusion and first conducting block, the second conducting block are provided at the position of piece It is adapted, reduces the conductive sheet as far as possible in sliding process in the displacement perpendicular to glide direction, prevent conductive sheet from existing It is serious in the initial stage inclination of conducting block contact, it leads to the problem of stuck, influences the usage experience of equipment.

It is further improved compared to above scheme, the sliding shoe is provided with first on the end face far from the key case Hole, first elastic device are inserted in first hole, and a part of first elastic device is located at the sliding shoe Inside can significantly reduce the size of the switch enclosure under same first elastic device environment, reduce size.

It further being improved compared to above scheme, the key includes key bar and key bit, and the two of the key bar The first slot is provided on side, the length of first slot is adapted with the insertion depth of the key bar, and the key case leans on Limit film is inserted on the end face of nearly switch enclosure, the limit film is corresponding to the bullet for being provided with protrusion at the position of first slot The end cross-sectional of piece, the elastic slice is in arc-shaped, and the end of the elastic slice is protruded into first slot.The elastic slice and first The cooperation of slot simply fixes the initiation key when can be inserted into initiation key in the key case, presses the starting key After spoon, the initiation key automatically returns to original position under the action of elastic slice.

Further improved compared to above scheme, the sliding shoe close to key case one end and correspond to the starting Mandril is provided at the position of key, the mandril is entered in the key case by the first hole.

Compared with prior art, the utility model has the advantages that, the initiation key is pressed, pushes the sliding shoe, institute Conductive sheet conducting first electrode and the second electrode on sliding shoe are stated, engine, effect of the initiation key in the elastic slice are started Lower self-return, easy to operate, structure is simple；The conductive sheet is tightly attached on the box cover by elastic device, the box cover On be provided with the first protrusion, make the conductive sheet sliding when it is more smooth, it is even closer with the connection of the conducting block；It is described First electrode and second electrode are riveted on box cover by first conducting block and the second conducting block respectively, fixed, conductive Block is completely embedded with electrode.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is cross-sectional view of the Fig. 2 at A-A.

Fig. 4 is cross-sectional view of the Fig. 2 at D-D.

Fig. 5 is the side view of the utility model.

Fig. 6 is cross-sectional view of the Fig. 5 at C-C.

Fig. 7 and Fig. 8 is the connection schematic diagram of sliding shoe and conductive sheet.

Fig. 9 and Figure 10 is the structural schematic diagram of initiation key.

Figure 11 and Figure 12 is the structural schematic diagram of limit film.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Fig. 1 electrically activates structure, including key case 1 for a kind of lawn machine, is provided with and runs through on the end face of the key case 1 Keyhole, be inserted with initiation key 4 in the keyhole.The edge for the end face that the key case 1 plugs key is provided with The protection board of protrusion, the outer end face of the protection board is concordant with the end face of the initiation key 4, prevents initiation key 4 by vertical The power for being directly installed on direction is damaged, and reduces the probability that the initiation key 4 accidentally touches unlatching.

The other end of the key case 1 has switch enclosure 2, and the switch enclosure 2 includes box body 21, fixed company on the box body 21 It is connected to box cover 22, the box cover 22 is plate-like, and the box cover 22 is fixed on the box body 21 by several screws.The switch Box 2 is overall in a rectangular parallelepiped shape, and fluted in the box body 21, the groove is in a rectangular parallelepiped shape.It is slidably connected in the box body 21 There is sliding shoe 23, the sliding shoe 23 has with box body 21 is provided with several protrusions on the side of sliding contact, the sliding shoe 23 By protrusion and 21 interior contact of box body, frictional force and abrasion are reduced.The box body 21 is corresponding to the sliding shoe 23 and starting The first hole 231 is provided at position between key 4, the initiation key 4 can be pushed by the keyhole and the first hole 231 The sliding shoe 23 slides in the box body 21.The first hole is provided on the end face of the sliding shoe 23 far from key case 1 231, the first elastic device 25 is inserted in first hole 231.First elastic device 25 is columned common spring, The joining distal ends of one end of first elastic device 25 and first hole 231, the other end of first elastic device 25 Connect with the medial surface of the box body 21, the sliding shoe 23 is pressed in the close of the box body 21 by first elastic device 25 On the medial surface of the initiation key 4.

It is connected with conductive sheet 24 on the sliding shoe 23, is corresponded at the position of the conductive sheet 24 on the switch enclosure 2 It is provided with first electrode 27 and second electrode 29, the first electrode 27 and second electrode 29 and 2 interior thereof of switch enclosure, When pressing the initiation key 4, the initiation key 4 pushes the sliding shoe 23 to slide, the conductive sheet on the sliding shoe 23 24 conducting first electrodes 27 and second electrode 29, start engine.The first electrode 27 and second is connected in the conductive sheet 24 The structure of electrode 29, the utility model provide 3 embodiments.

Embodiment 1: the conductive sheet 24 is set to sliding shoe 23 on the side of box cover 22, and the conductive sheet 24 is in length Rectangular flake, increases accessible area, and the first electrode 27 is set to the outer of the box cover 22 with second electrode 29 On end face, the interior thereof of the first electrode 27 and second electrode 29 and switch enclosure 2.It is described to lead when not pressing initiation key 4 Electric piece 24 is not contacted with first electrode 27 and second electrode 29；When pressing initiation key 4, the sliding shoe 23 is by conductive sheet 24 At band to the position of first electrode 27 and second electrode 29, and the first electrode 27 and second electrode 29 is connected.Specific structure See Fig. 1 to Fig. 6.

Embodiment 2: the first electrode 27 is located on two opposite sides of switch enclosure 2 with second electrode 29, Described two sides are parallel to the glide direction of the sliding shoe 23, and the first electrode 27 and second electrode 29 and switch enclosure 2 interior thereofs, the conductive sheet 24 cross sliding shoe 23, and perpendicular to the glide direction of sliding shoe 23, the conductive sheet 24 with The both ends that electrode to be contacted turn down certain angle, and can deform.When the sliding shoe 23 sliding, the conductive sheet 24 is moved Dynamic, the both ends of fold are contacted with two electrodes respectively, are turned it on.

Embodiment 3: the first electrode 27 is set to 25 phase of the box body 21 and the first elastic device with second electrode 29 On the side wall of contact, the first electrode 27, second electrode 29 and 2 interior thereof of switch enclosure, the conductive sheet 24 are set to cunning On end face of the motion block 23 far from the initiation key 4.When 23 activity of sliding shoe, the conductive sheet of 23 end of sliding shoe The 24 contacts first electrode 27 and second electrode 29, turn it on.

The utility model uses the structure of embodiment 1, therefore hereafter carries out expansion description to embodiment 1 and dependency structure.

Preferably, the first electrode 27 is fixed on the box cover 22 with second electrode 29 by way of riveting, riveting The rivet for connecing the first electrode 27 and second electrode 29 is the first conducting block 28 and the second conducting block 30.First conducting block 28 and second conducting block 30 be brass, one end of first conducting block 28 and the second conducting block 30 is located in the switch enclosure 2, The conductive sheet 24 realizes the function of two electrodes of conducting by the conducting block on two electrodes of contact.

Preferably, the sliding shoe 23 is connected with one end of the second elastic device 26 on the side of box cover 22, described The other end of second elastic device 26 connects with conductive sheet 24.Second elastic device 26 keeps conductive sheet 24 and sliding shoe 23 living Dynamic connection, avoid conductive sheet 24 be connected the first electrode 27 with it is stuck when second electrode 29.The edge of the conductive sheet 24 It is provided with the locating plate 241 of fold, the locating plate 241 is perpendicular to the conductive sheet 24, and the sliding shoe 23 is close to the box The second slot 233 is provided on the end face of lid 22, the locating plate 241 is inserted in second slot 233, makes the conductive sheet 24 Sliding shoe 23 can be followed to act together.The assembling schematic diagram of the conductive sheet 24 and sliding shoe 23 is shown in Fig. 7 and Fig. 8.

Preferably, it is arranged at the position on medial surface of the box cover 22 towards the box body 21 and corresponding to conductive sheet 24 There is the first protrusion 31, the height of first protrusion 31 is adapted with the height of first conducting block 28, the second conducting block 30. First protrusion 31 is parallel to the glide direction of the sliding shoe 23, and first protrusion 31 is located in the conductive sheet 24 Between at position.The conductive sheet 24 is in contact close to the end face of box cover 22 with the first protrusion 31, and with 31 phase of the first protrusion To sliding.First protrusion 31 can make conductive sheet 24 in the mistake slided to the first conducting block 28,30 direction of the second conducting block Cheng Zhong, it is more smooth, it is not easy to stuck.First protrusion 31 is shown in Fig. 3 and Fig. 4.

Preferably, the initiation key 4 includes key bar 42 and key bit 43, is arranged on the two sides of the key bar 42 There is the first slot 41, first slot 41 of the utility model runs through the key bar 42, and the structure of the initiation key 4 is shown in Fig. 9 and figure 10.The length of first slot 41 is adapted with the insertion depth of the key bar 42, and the key case 1 is close to switch enclosure 2 Limit film 12 is inserted on end face, the limit film 12 is corresponding to the elastic slice for being provided with protrusion at the position of first slot 41 13, the end cross-sectional of the elastic slice 13 is in arc-shaped, and the end of the elastic slice 13 is protruded into first slot 41.The limit The structure of piece 12 is shown in Figure 11 and 12.

Cylinder is provided at the one end of the sliding shoe 23 close to key case 1 and the position corresponding to the initiation key 4 The mandril 232 of shape, the mandril 232 are entered in the key case 1 by the first hole 231, reduce the length of the initiation key 4 Size, convenient for the placement of initiation key 4.

The initiation key 4, key case 1, switch enclosure 2, sliding shoe 23 of the utility model are all made of the material insulating, and prevent Electric leakage, damages health of human body.

The working principle of the utility model is simply illustrated below: when starting device, pressing the initiation key 4, the initiation key 4 is slided along keyhole, and the sliding shoe 23 is pushed to slide in the box body 21, the sliding shoe 23 On conductive sheet 24 first electrode 27 on the switch enclosure 2 and second electrode 29 is connected, start engine.

Claims (8)

1. a kind of lawn machine electrically activates structure, including key case (1), it is provided on the end face of the key case (1) perforative Keyhole is inserted with initiation key (4) in the keyhole, which is characterized in that the other end of the key case (1) has switch enclosure (2), the switch enclosure (2) includes box body (21), is fixedly connected with box cover (22) on the box body (21), in the box body (21) It slidably connects sliding shoe (23), the box body (21) is corresponding to the position between the sliding shoe (23) and initiation key (4) Place is provided with the first hole (231), and the initiation key (4) can push sliding shoe (23) sliding, the cunning by the keyhole Motion block (23) is connected with the first elastic device (25) far from the one end of key case (1), is connected with conduction on the sliding shoe (23) Piece (24), corresponding to being provided with first electrode (27) and the second electricity at the position of the conductive sheet (24) on the switch enclosure (2) Pole (29), the first electrode (27) and second electrode (29) and the switch enclosure (2) interior thereof.

2. a kind of lawn machine as described in claim 1 electrically activates structure, which is characterized in that the first electrode (27) and the Two electrodes (29) are arranged on the lateral surface of the box cover (22), connect respectively in the first electrode (27) and second electrode (29) It is connected to the first conducting block (28) and the second conducting block (30), one end position of first conducting block (28) and the second conducting block (30) It is formed in closed first cavity in the box cover (22) and box body (21).

3. a kind of lawn machine as claimed in claim 2 electrically activates structure, which is characterized in that the first electrode (27) and the Two electrodes (29) are riveted on the box cover (22) by first conducting block (28) and the second conducting block (30) respectively.

4. a kind of lawn machine as claimed in claim 2 electrically activates structure, which is characterized in that the sliding shoe (23) is close to box Cover one end that the second elastic device (26) are connected on the side of (22), the other end and conduction of second elastic device (26) Piece (24) connects, and the conductive sheet (24) is flexibly connected with sliding shoe (23).

5. a kind of lawn machine as claimed in claim 4 electrically activates structure, which is characterized in that the box cover (22) is towards described On the medial surface of box body (21) and corresponding to conductive sheet (24) position at be provided with the first protrusion (31), first protrusion (31) height is adapted with the height of first conducting block (28), the second conducting block (30).

6. a kind of lawn machine as described in claim 1 electrically activates structure, which is characterized in that the sliding shoe (23) is far from institute It states and is provided on the end face of key case (1) the first hole (231), first elastic device (25) is inserted in first hole (231) in.

7. a kind of lawn machine as described in claim 1 electrically activates structure, which is characterized in that the key includes key bar (42) and key bit (43) it, is provided with the first slot (41) on the two sides of the key bar (42), the length of first slot (41) Degree is adapted with the insertion depth of the key bar (42), and the key case (1) plugs limited on the end face of switch enclosure (2) Bit slice (12), the limit film (12) are described corresponding to the elastic slice (13) for being provided with protrusion at the position of first slot (41) The end cross-sectional of elastic slice (13) is in arc-shaped, and the end of the elastic slice (13) is protruded into first slot (41).

8. a kind of lawn machine as described in claim 1 electrically activates structure, which is characterized in that the sliding shoe (23) is close to key Spoon box (1) one end and corresponding to the key position at be provided with mandril (232), the mandril (232) pass through the first hole (231) enter in the key case (1).