CN218806301U - Waterproof monocycle - Google Patents

Abstract

The utility model discloses a waterproof wheel barrow, include: a wheel; a frame including an upper body located above a wheel; a circuit board mounted on the upper body; the upper cover is matched with the upper main body to form a mounting cavity for accommodating the circuit board; the sealing element is clamped between the upper cover and the upper main body, and the upper cover and the upper main body are respectively in plug fit with two opposite sides of the sealing element so as to seal the installation cavity. In this wheel barrow, utilize the sealing member to realize the sealed between upper cover and the last main part, and the mode of pegging graft is all adopted in the double-phase offside of sealing member in order to connect upper cover and last main part, in the in-process of long-term thermal radiation, can not lead to the sealing member to break away from with the grafting department of upper cover, last main part because of sealing member shrink or elasticity reduction, its whole sealed effect is better, long service life.

Description

Waterproof monocycle

Technical Field

The utility model relates to an electrodynamic balance wheel barrow technical field especially relates to a waterproof wheel barrow.

Background

The circuit board mounting structure of the existing electric wheelbarrow generally adopts a sealing ring to realize sealing and water proofing, and the circuit board can generate heat, so that the sealing ring is easily aged and loses elasticity due to the fact that the heat bakes the sealing ring in the long-term use process, the sealing performance and the service life of the sealing ring are affected, the circuit board mounting structure needs to be replaced regularly, and the circuit board mounting structure is troublesome in that once water enters, the circuit board mounting structure easily causes short circuit of the circuit board, so that inconvenience and even danger are brought to users.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned prior art an at least defect, the utility model provides a waterproof wheel barrow has solved the problem of the easy variation of sealed effect of circuit board mounting structure department in the long-term use.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a waterproof unicycle, comprising:

a wheel;

a frame including an upper body positioned above a wheel;

a circuit board mounted on the upper body;

the upper cover is matched with the upper main body to form a mounting cavity for accommodating the circuit board;

and the sealing element is clamped between the upper cover and the upper main body, and the upper cover and the upper main body are respectively in plug-in fit with two opposite sides of the sealing element so as to seal the installation cavity.

The utility model provides a waterproof wheel barrow utilizes the sealing member to realize the sealing between upper cover and the last main part, and the mode that the double-phase offside of sealing member all adopted grafting is in order to connect upper cover and last main part, at long-term thermal radiation's in-process, can not lead to the sealing member to break away from with the grafting department of upper cover, last main part because of sealing member shrink or elasticity reduction, and its whole sealed effect is better, long service life.

Furthermore, a first annular groove and a second annular groove are formed in the two opposite sides of the sealing element respectively, the first annular groove and the second annular groove extend along the sealing element, a first annular convex edge inserted into the first annular groove is formed in the inner side of the upper cover, and a second annular convex edge inserted into the second annular groove is formed in the upper main body.

Furthermore, the upper cover is provided with a plurality of through holes, the upper main body is provided with a plurality of screw holes corresponding to the through holes, the through holes are located on the outer side of the first annular convex edge, the screw holes are located on the outer side of the second annular convex edge, and the bolt penetrates through the through holes and is in threaded connection with the screw holes so as to fix the upper cover on the upper main body.

Furthermore, the upper main body is provided with a through groove, the sealing element is provided with a guide pillar which is inserted into the through groove, a through wire guide hole is formed in the guide pillar, and the wire guide hole is communicated with the installation cavity.

Further, the wire guiding hole is positioned on the inner side of the first ring groove, and the wire guiding hole is positioned on the outer side of the second ring groove.

Furthermore, a first annular convex edge and a second annular groove are respectively arranged on two opposite sides of the sealing element, the first annular convex edge and the second annular groove extend along the sealing element, a first annular groove inserted in the first annular convex edge is arranged on the inner side of the upper cover, and a second annular convex edge inserted in the second annular groove is arranged on the upper main body.

Furthermore, the upper cover is provided with a plurality of through holes, the upper main body is provided with a plurality of screw holes corresponding to the through holes, the through holes are located on the outer side of the first annular groove, the screw holes are located on the outer side of the second annular convex edge, and the bolt penetrates through the through holes and is in threaded connection with the screw holes so as to fix the upper cover on the upper main body.

Furthermore, go up the main part and be provided with the logical groove that runs through, the sealing member is provided with the guide pillar of pegging graft in logical groove, is provided with the wire guide that runs through on the guide pillar, wire guide intercommunication installation cavity.

Furthermore, the wire guide hole is positioned on the inner side of the first annular convex edge, and the wire guide hole is positioned on the outer side of the second annular groove.

Further, still be provided with the hole of charging in the last main part, the hole intercommunication installation cavity charges, and the hole of charging is towards the wheel.

To sum up, the utility model provides a waterproof wheel barrow has following technological effect:

in this waterproof wheel barrow, utilize the sealing member to realize the upper cover and go up the sealed between the main part, and the double-phase offside of sealing member all adopts the mode of pegging graft in order to connect upper cover and upper main part, at the in-process of long-term thermal radiation, can not lead to the breaking away from of sealing member and upper cover, upper main part because of sealing member shrink or elasticity reduction, its whole sealed effect is better, long service life. The utility model discloses an other beneficial effects will demonstrate in concrete implementation mode.

Drawings

Fig. 1 is an exploded view of a wheelbarrow according to embodiment 1 of the invention;

fig. 2 is a schematic structural view of the upper cover, the sealing member and the upper main body of embodiment 1 of the present invention after assembly;

fig. 3 is one of the explosion schematics of the upper cover, the sealing member and the upper body of embodiment 1 of the present invention;

fig. 4 is a second schematic exploded view of the upper cover, the sealing member and the upper body according to embodiment 1 of the present invention;

fig. 5 is one of schematic sectional views of the upper cover, the sealing member and the upper body according to embodiment 1 of the present invention after assembly;

fig. 6 is a second schematic cross-sectional view of the upper cover, the sealing member and the upper body according to embodiment 1 of the present invention after assembly;

fig. 7 is one of the explosion views of the upper cover, the sealing member and the upper body according to embodiment 2 of the present invention;

fig. 8 is a second explosion diagram of the upper cover, the sealing member and the upper body according to embodiment 2 of the present invention;

fig. 9 is one of the schematic cross-sectional views of the upper cover, the sealing member and the upper body according to embodiment 2 of the present invention after assembly;

fig. 10 is a second schematic cross-sectional view of the assembled upper cover, sealing member and upper body according to embodiment 2 of the present invention.

Wherein the reference numerals have the following meanings:

100. a mounting cavity; 1. an upper body; 11. a second annular ledge; 12. a through groove; 13. a screw hole; 14. mounting holes; 15. a charging hole; 2. an upper cover; 21. a first annular ledge; 23. a through hole; 22. a first avoiding groove; 24. a second avoiding groove; 3. a seal member; 31. a first ring groove; 32. a second ring groove; 33. a guide post; 34. a wire guide hole; 35. a third avoiding groove; 4. a circuit board; 5. a frame; 6. a wheel; 7. a seat cushion; 8. a hand lever.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Referring to fig. 1, the utility model discloses a waterproof wheel barrow, this wheel barrow includes wheel 6, frame 5, circuit board 4, sealing member 3, upper cover 2, seatpad 7 and hand power pole 8.

With reference again to fig. 2 and 5, wherein the wheel 6 is preferably a hub motor wheel; the frame 5 can be a shock absorption frame or a fixed frame, the vertical beams at two sides of the frame 5 are connected to two ends of a wheel shaft of the wheel 6, the upper main body 1 can be used as an upper supporting body of the frame 5, namely, the vertical beams at two sides of the frame 5 are respectively connected to two opposite sides of the upper main body 1, the upper main body 1 is positioned above the wheel 6, of course, the frame 5 can also comprise a cross beam different from the upper main body 1, the vertical beams at two sides of the frame 5 can also be connected to the cross beam, and the upper main body 1 is positioned above the cross beam; the circuit board 4 is installed above the upper main body 1, and heat generated by the circuit board 4 during operation can be dissipated to the outside environment through the upper main body 1, and can be further dissipated through other components of the frame 5, therefore, preferably, the upper main body 1 is made of metal material, and particularly, the upper main body 1 is made of thick aluminum plate; the upper cover 2 covers the upper part of the upper main body 1, and the upper cover 2 is matched with the upper main body 1 to form a mounting cavity 100 for accommodating the circuit board 4 so as to protect the circuit board 4; the seat cushion 7 can be sleeved above the upper cover 2, and the hand lever 8 can penetrate through the seat cushion 7 and the upper cover 2 in the vertical direction and is slidably mounted to the frame 5.

Referring to fig. 3 to 6, importantly, the sealing element 3 is hollow in the middle, the sealing element 3 is clamped between the upper cover 2 and the upper main body 1, and the upper cover 2 and the upper main body 1 are respectively inserted into and matched with two opposite sides of the sealing element 3 to seal the installation cavity 100.

Wherein the upper body 1, the upper cover 2 and the sealing member 3 are combined to constitute a main body portion of the sealing structure of the circuit board 4.

In the above scheme, the sealing element 3 is used for sealing between the upper cover 2 and the upper main body 1, the two opposite sides of the sealing element 3 are connected with the upper cover 2 and the upper main body 1 in an inserting mode, in the long-term heat radiation process, the inserting connection position of the sealing element 3, the upper cover 2 and the upper main body 1 cannot be separated due to shrinkage or elasticity reduction of the sealing element 3, the overall sealing effect is good, and the service life is long.

In another preferred embodiment, the sealing member 3 may also be a sheet, that is, the middle of the sealing member 3 is not hollowed out, the sealing member 3 can separate the mounting cavity 100, in this case, the circuit board 4 is connected to the upper main body 1 after passing through the sealing member 3 through the connecting pins, and the circuit board 4 is located between the sealing member 3 and the upper cover 2.

In the present embodiment, specifically, the upper body 1, the upper cover 2 and the sealing member 3 are all substantially rectangular, the size of the upper cover 2 is larger than the size of the sealing member 3, the upper cover 2 has a receiving cavity, so that the upper cover 2 can cover the sealing member 3, and the upper cover 2 can also cover most of the area of the upper body 1.

Specifically, the two opposite sides of the sealing element 3 are respectively provided with a first annular groove 31 and a second annular groove 32, the first annular groove 31 and the second annular groove 32 both extend along the sealing element 3, the inner side of the upper cover 2 is provided with a first annular ledge 21 inserted into the first annular groove 31, and the upper main body 1 is provided with a second annular ledge 11 inserted into the second annular groove 32. Specifically, the thickness of the sealing element 3 is preferably between 5mm and 15mm, so that the sealing element has a sufficient thickness to design the groove depth of the first ring groove 31 and the second ring groove 32, the first ring groove 31 is formed by downward recessing of the upper surface of the sealing element 3, the second ring groove 32 is formed by upward recessing of the lower surface of the sealing element 3, a part of the inner surface of the upper cover 2 abuts against the upper surface of the sealing element 3, the first annular ledge 21 is inserted into the first ring groove 31 from top to bottom, a part of the upper surface of the upper main body 1 abuts against the lower surface of the sealing element 3, and the second annular ledge 11 is inserted into the second ring groove 32 from bottom to top; the open sides of the first ring groove 31 and the second ring groove 32 may further be respectively provided with a guiding inclined surface (not shown), and the guiding inclined surfaces play a role of guiding alignment, so as to facilitate the insertion of the two annular flanges 21 and 11.

So, utilize the grafting cooperation of first annular groove 31 and first annular protruding edge 21 in order to realize sealing member 3 and upper cover 2 between sealed, utilize the grafting cooperation of second annular groove 32 and second annular protruding edge 11 in order to realize sealing member 3 and last main part 1 between sealed, when circuit board 4 produced heat, it is the medial surface of sealing member 3 mainly to receive heat radiation, first annular groove 31 and second annular groove 32 are influenced lessly, the material elasticity of two annular grooves 31, 32 department is difficult to be destroyed, in order further to improve sealed effect, the life of extension sealing member 3.

Referring to fig. 3, in order to realize the fixed mounting between the upper cover 2 and the upper main body 1, the outer sides of the four corners of the upper cover are respectively provided with a first avoiding groove 23, each first avoiding groove 23 is provided with a through hole 22 penetrating along the vertical direction, the upper main body 1 is provided with four screw holes 13, the four screw holes 13 respectively correspond to different through holes 22, and bolts (not shown in the figure) penetrate through the through holes 22 and are in threaded connection with the screw holes 13 so as to fix the upper cover 2 to the upper main body 1.

The first avoiding groove 23 is used for facilitating the installation of the bolt and preventing the bolt from protruding to affect the appearance and the installation of the seat cushion 7.

It is understood that the number of the first avoiding groove 23, the through hole 22 and the screw hole 13 may be changed according to design requirements, for example, the number of the first avoiding groove, the through hole and the screw hole may also be three, five, six, etc.

Specifically, the through hole 22 is located outside the first annular ledge 21, and the screw hole 13 is located outside the second annular ledge 21, so as to prevent rainwater from penetrating into the mounting cavity 100 through the through hole 22.

In addition, referring to fig. 4 and 5, the circuit board 4 needs to be led out to an external wire for connecting to a power supply, a headlight, a tail lamp, etc. and also needs to be installed with an exposed charging port, so that the upper main body 1 is provided with a through groove 12 and a charging hole 15, the through groove 12 is used for wiring, the charging hole 15 is used for installing the charging port, the through groove 12 and the charging hole 15 can both communicate with the installation cavity 100, and the through groove 12 and the charging hole 15 face the wheel 6.

Preferably, the sealing element 3 is provided with a guide post 33 inserted into the through groove 12, the guide post 33 is provided with a wire guide hole 34 penetrating therethrough, and the wire guide hole 34 is communicated with the mounting cavity 100, so that during wiring, wires of a power supply, a headlamp, a tail lamp and the like pass through the wire guide hole 34 to enter the mounting cavity 100 and are conductively connected to the circuit board 4, the guide post 33 on the sealing element 3 is used as a part for friction with the wires, and the sealing element 3 is made of a flexible material, so that abrasion of the wires is avoided, and the abrasion of the wires caused by direct contact of the wires with the through groove 12 in the upper main body 1 is avoided.

Meanwhile, the sealing element 3 is elastic, so that the diameter of the wire guide hole 34 can be controlled in a smaller range under the condition of not influencing the wiring, and the mist entering the installation cavity 100 is reduced.

Still further, the wire guide hole 34 is located inside the first ring groove 31, and the wire guide hole 34 is located outside the second ring groove 32, and the first ring groove 31 and the second ring groove 32 form an arrangement mode of inner and outer dislocation at the wire guide hole 34, that is, the through groove 12 is located outside the second annular convex edge 11, so that water vapor can be prevented from entering the installation cavity 100 from the matching gap between the guide pillar 33 and the through groove 12, and the overall sealing performance is ensured.

Referring to fig. 1 and 3, in order to facilitate the installation of the hand lever 8, two opposite second avoiding grooves 24 are formed in the circumferential outer side of the upper cover 2 in a recessed manner, two opposite third avoiding grooves 35 are formed in the circumferential outer side of the sealing member 3 in a recessed manner, two opposite mounting holes 14 are formed in the upper main body 1, the second avoiding grooves 24, the third avoiding grooves 35 and the mounting holes 14 correspond to each other, and the hand lever 8 sequentially passes through the second avoiding grooves 24 and the third avoiding grooves 35 and is inserted into the mounting holes 14, so that the installation of the hand lever 8 is realized.

Example 2

Referring to fig. 7 to 10, the present embodiment also discloses a sealing structure of a circuit board 4, and the sealing structure of the present embodiment is different from that of embodiment 1 only in that: the arrangement objects of the annular convex edge and the annular groove are different.

In this embodiment, a first annular protruding edge 21 and a second annular groove 32 are respectively disposed on two opposite sides of the sealing element 3, the first annular protruding edge 21 and the second annular groove 32 both extend along the sealing element 3, a first annular groove 31 inserted into the first annular protruding edge 21 is disposed on the inner side of the upper cover 2, and a second annular protruding edge 11 inserted into the second annular groove 32 is disposed on the upper main body 1. Specifically, the first annular protruding edge 21 protrudes upward from the upper surface of the sealing element 3, the second annular groove 32 is formed by upward recessing from the lower surface of the sealing element 3, the first annular groove 31 is inserted into the first annular protruding edge 21 from top to bottom, the opening end surface of the first annular groove 31 abuts against the upper surface of the sealing element 3, the second annular protruding edge 11 is inserted into the second annular groove 32 from bottom to top, and a part of the upper surface of the upper main body 1 abuts against the lower surface of the sealing element 3; the open sides of the first ring groove 31 and the second ring groove 32 may be further respectively provided with guiding inclined surfaces (not shown), and the guiding inclined surfaces may serve as guiding alignment to facilitate the insertion of the two annular flanges 21, 11.

Like this, utilize the grafting cooperation of first annular 31 in the upper cover 2 and the first cyclic annular protruding edge 21 in the sealing member 3, utilize the grafting cooperation of second annular 32 in the sealing member 3 and the second cyclic annular protruding edge 11 in the last main part 1, can realize between sealing member 3 and the upper cover 2 equally, the looks grafting cooperation between sealing member 3 and the last main part 1, in order to realize sealing member 3, the sealed between upper cover 2 and the last main part 1, when circuit board 4 produced the heat, it is the medial surface of sealing member 3 mainly to receive thermal radiation, first cyclic annular protruding edge 21 and second annular 32 are influenced lessly, the material elasticity of first cyclic annular protruding edge 21 and second annular 32 department is difficult for destroying effectively improving sealed effect, the life of extension sealing member 3.

Based on the above-described changes in the objects of the annular ledge and the annular groove arrangement, it can be understood that, in the present embodiment, the through-hole 23 in the upper cover 2 will be located outside the first annular groove 31 in the upper cover 2; the wire guides 34 in the seal 3 will be located inside the first annular ledge 21 in the seal 3 and outside the second annular groove 32 in the seal 3.

It will be appreciated that other features of the upper body 1, the upper cap 2 and the sealing member 3 can be referred to the description of embodiment 1, and the description of this embodiment will not be repeated.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (10)

1. A waterproof unicycle, comprising:

a wheel (6);

a frame (5) comprising an upper body (1) located above a wheel (6);

a circuit board (4) mounted on the upper body (1);

an upper cover (2) which is matched with the upper main body (1) to form a mounting cavity (100) for accommodating the circuit board (4);

and the sealing element (3) is clamped between the upper cover (2) and the upper main body (1), and the upper cover (2) and the upper main body (1) are respectively in plug-in fit with two opposite sides of the sealing element (3) so as to seal the installation cavity (100).

2. The waterproof wheelbarrow according to claim 1, wherein the opposite sides of the sealing member (3) are respectively provided with a first annular groove (31) and a second annular groove (32), the first annular groove (31) and the second annular groove (32) both extend along the sealing member (3), the inner side of the upper cover (2) is provided with a first annular ledge (21) inserted in the first annular groove (31), and the upper body (1) is provided with a second annular ledge (11) inserted in the second annular groove (32).

3. The waterproof wheelbarrow according to claim 2, wherein the upper cover (2) is provided with a plurality of through holes (23), the upper body (1) is provided with a plurality of screw holes (13) corresponding to the through holes (23), the through holes (23) are positioned outside the first annular ledge (21), the screw holes (13) are positioned outside the second annular ledge (11), and bolts are passed through the through holes (23) and screwed with the screw holes (13) to fix the upper cover (2) to the upper body (1).

4. The watertight wheelbarrow according to claim 2, characterized in that the upper body (1) is provided with a through slot (12), the seal (3) is provided with a guide post (33) plugged into the through slot (12), the guide post (33) is provided with a through wire guide (34), and the wire guide (34) communicates with the mounting cavity (100).

5. The waterproof wheelbarrow according to claim 4, wherein the wire guides (34) are located inside the first ring groove (31) and the wire guides (34) are located outside the second ring groove (32).

6. The waterproof wheelbarrow according to claim 1, wherein two opposite sides of the sealing member (3) are respectively provided with a first annular flange (21) and a second annular groove (32), the first annular flange (21) and the second annular groove (32) both extend along the sealing member (3), the inner side of the upper cover (2) is provided with a first annular groove (31) inserted into the first annular flange (21), and the upper main body (1) is provided with a second annular flange (11) inserted into the second annular groove (32).

7. The waterproof wheelbarrow according to claim 6, wherein the upper cover (2) is provided with a plurality of through holes (23), the upper body (1) is provided with a plurality of screw holes (13) corresponding to the through holes (23), the through holes (23) are located outside the first ring groove (31), the screw holes (13) are located outside the second annular flange (11), and bolts are passed through the through holes (23) and screwed with the screw holes (13) to fix the upper cover (2) to the upper body (1).

8. The waterproof wheelbarrow according to claim 6, characterized in that the upper body (1) is provided with a through slot (12), the sealing member (3) is provided with a guide post (33) inserted into the through slot (12), the guide post (33) is provided with a through wire guide hole (34), and the wire guide hole (34) is communicated with the mounting cavity (100).

9. The waterproof wheelbarrow according to claim 8, characterized in that the wire guides (34) are located inside the first annular ledge (21) and the wire guides (34) are located outside the second annular groove (32).

10. The waterproof wheelbarrow according to claim 1, wherein the upper body (1) is further provided with a charging hole (15), the charging hole (15) is communicated with the mounting cavity (100), and the charging hole (15) faces the wheel (6).

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