CN218736015U - Hinge mechanism and grass trimmer - Google Patents
Hinge mechanism and grass trimmer Download PDFInfo
- Publication number
- CN218736015U CN218736015U CN202223375047.5U CN202223375047U CN218736015U CN 218736015 U CN218736015 U CN 218736015U CN 202223375047 U CN202223375047 U CN 202223375047U CN 218736015 U CN218736015 U CN 218736015U
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- connecting portion
- sleeve
- hinge
- hinge mechanism
- locking knob
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Abstract
The utility model discloses an articulated mechanism and a grass trimmer, which comprises a first articulated element, wherein the first articulated element comprises a first connecting part and a first sleeve; a second hinge including a second connection portion and a second bushing; the first connecting pipe is arranged on the first sleeve; the second connecting pipe is arranged on the second sleeve; the first connecting portion and the second connecting portion are rotatably connected through a rotating shaft, and a locking knob is arranged on the rotating shaft to lock the first connecting portion and the second connecting portion so that the first connecting portion and the second connecting portion cannot rotate relatively. Guarantee the wire and can not take place the line ball risk with the wire setting in first hinge spare and second hinge spare, set up the retaining member simultaneously and realize exempting from instrument locking, convenient and fast on two articulated elements.
Description
Technical Field
The utility model belongs to the technical field of garden instrument and specifically relates to an articulated mechanism and machine of beating grass is related to.
Background
In the prior art, as disclosed in publication No.: CN204168761U discloses a handheld grass trimmer which realizes the folding of the connecting rod, but the structure has the following disadvantages,
1. when the joint assembly in the patent is locked, an external tool is needed, and the joint assembly is very troublesome in the actual use process;
2. when utilizing the joint subassembly in this patent to fold, there is the risk of line ball in the wire that sets up on it, may cause the fracture of wire, still can cause the injury to the user even.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an articulated mechanism and machine of beating grass can effectively solve the problem that the above-mentioned machine of beating grass exists.
The utility model provides a technical scheme that its technical problem adopted is: an articulating mechanism comprising, a first articulating member comprising a first connector and a first sleeve; a second hinge including a second connection portion and a second bushing; the first connecting pipe is arranged on the first sleeve; the second connecting pipe is arranged on the second sleeve; the first connecting portion and the second connecting portion are rotatably connected through a rotating shaft, and a locking knob is arranged on the rotating shaft to lock the first connecting portion and the second connecting portion so that the first connecting portion and the second connecting portion cannot rotate relatively.
Among the above-mentioned technical scheme, furtherly, first connecting portion have the inner chamber after combining with the second connecting portion, the inside of first sleeve pipe and second sleeve pipe all be provided with the through wires hole that the inner chamber link up mutually.
In the above technical solution, further, the wire can sequentially pass through the first connecting pipe, the first sleeve, the inner cavity, the second sleeve and the second connecting pipe.
In the above technical scheme, further, all be provided with the stopper on first connecting portion and the second connecting portion, work as first sleeve rotates along the first direction to with the axis direction of second sheathed tube coincides mutually or when tending to be parallel, two the stopper will support each other and lean on in order to restrict first sleeve can't continue to rotate along the first direction, work as first sleeve rotates along the second direction to with the axis direction of second sheathed tube tends to when parallel, first sleeve supports with the outer wall of second sheathed tube and leans on.
In the above technical solution, further, the first connecting pipe is inserted or sleeved and fixed on the first sleeve; the second connecting pipe is inserted or sleeved and fixed on the second sleeve.
In the above technical solution, further, a tooth portion engaged with each other is provided on a surface of the first connecting portion opposite to the second connecting portion.
In the above technical solution, further, the outer contours of the first connecting portion and the second connecting portion are substantially circular, and when the hinge mechanism is in a fully unfolded state, the axial directions of the first sleeve and the second sleeve are substantially coincident.
In the above technical scheme, further, the rotating shaft penetrates through the first connecting portion and the second connecting portion, and the two ends of the rotating shaft are respectively provided with the plugs and the locking knob, and the locking knob is movably arranged on the rotating shaft.
In the above technical solution, further, a first thread is provided on the rotating shaft, a second thread having a length smaller than the first thread is provided on the locking knob, and the locking knob is movable on the rotating shaft to control a matching state of the first connecting portion and the second connecting portion.
Further provided a machine of beating grass, based on above-mentioned hinge mechanisms, install the host computer at the tip of hinge mechanisms's first connecting pipe, install at the tip of second connecting pipe and beat the grass device, the host computer includes input power supply and portion of gripping at least, beat the grass device and include the motor at least and through its rotatory head or the blade of beating the grass of motor drive, be connected through the wire electricity between input power supply and the motor, the wire sets up in hinge mechanisms, through the relative rotation of first connecting portion and second connecting portion on the hinge mechanisms, can do beat the grass machine and provide expansion state and fold condition.
The beneficial effects of the utility model are that: the wire setting guarantees in the inner chamber that the wire formed in first hinge spare and second hinge spare that the wire can not take place the line ball risk when flare-outing or buckling, sets up the locking knob simultaneously and realizes exempting from instrument quick locking, convenient and fast on two articulated elements.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an assembly diagram of the present invention.
Fig. 2 is a perspective view showing the hinge mechanism of the present invention in an unfolded state.
Fig. 3 is a perspective view of the hinge mechanism of the present invention in a folded state.
Fig. 4 is an exploded view of the hinge mechanism of the present invention.
Fig. 5 is a top view of the hinge mechanism of the present invention.
Fig. 6 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention.
Fig. 7 is an enlarged view of fig. 4B.
Fig. 8 is a perspective view of a first hinge part of the present invention.
In the figure, 1, a first hinge part, 101, a first connecting part, 102, a first sleeve, 2, a second hinge part, 201, a second connecting part, 202, a second sleeve, 3, a first connecting pipe, 4, a second connecting pipe, 5, a locking knob, 6, a rotating shaft, 7, an inner cavity, 8, a thread hole, 9, a lead, 10, a limiting block, 11, a conical tooth block, 12, a first thread, 13, a second thread, 14, a main machine and 15 are used as a grass mowing device.
Detailed Description
Referring to fig. 1-8, an articulating mechanism may be mounted to a garden tool having a relatively long connecting rod, such as a lawnmower, pole saw, or the like. The hinge mechanism is formed by mutually rotating a first hinge part 1 and a second hinge part 2, wherein the first hinge part 1 comprises a first connecting part 101 and a first sleeve 102, the second hinge part 2 comprises a second connecting part 201 and a second sleeve 202, the first connecting pipe 3 and the second connecting pipe 4 are respectively arranged on the first sleeve 102 and the second sleeve 202, the first connecting part 101 and the second connecting part 201 are rotationally connected through a rotating shaft 6, and a locking knob 5 is arranged on the rotating shaft 6 to lock the first connecting part 101 and the second connecting part 201 so that the first connecting part 101 and the second connecting part 201 cannot rotate relatively.
Wherein, the opposite side of the first connecting portion 101 and the second connecting portion 201 is provided with an open cavity, so that the first connecting portion 101 and the second connecting portion 201 form an inner cavity 7 after being attached, the inside of the first sleeve 102 and the second sleeve 202 is provided with a threading hole 8 communicated with the inner cavity 7, a lead wire 9 is provided to enter the inner cavity 7 from the first connecting pipe 3 through the first sleeve 102 and from the threading hole 8 on the first sleeve 102, then enter the second sleeve 202 from the threading hole 8 on the second sleeve 202, and finally enter the second connecting pipe 4 from the second sleeve 202.
In order to ensure that the first hinge part 1 and the second hinge part 2 do not excessively rotate, the first connecting part 101 and the second connecting part 201 are both provided with a limiting block 10, in an unfolding state, the limiting block 10 on the first connecting part 101 and the limiting block 10 on the second connecting part 201 form a joint, at this time, the first sleeve 102 cannot rotate along a first direction to coincide with or tend to be parallel to the axis direction of the second sleeve 202, an included angle formed by the first sleeve 102 and the second sleeve 202 is a flat angle or tends to a flat angle, in a folding state, the first sleeve 102 rotates along a second direction (i.e. the opposite direction of the first direction) to tend to be parallel to the axis direction of the second sleeve 202, at this time, the outer walls of the first sleeve 102 and the second sleeve 202 are jointed, and at this time, the included angle formed by the first sleeve 102 and the second sleeve 202 is 0 degree or tends to 0 degree.
Set up first connecting pipe 3 is inserted and is established or the cover is established and is fixed on first sleeve 102, second connecting pipe 4 is inserted and is established or the cover is established and fix on second sleeve 202, preferably inserts the mode, and the mode is further established to the setting and can also prevent that first connecting pipe 3 and second connecting pipe 4 from rotating on first sleeve 102 and the second sleeve 202, and is specific, as shown in fig. 4 and 7 insert the department on first connecting pipe 3 and the second connecting pipe 4 and be provided with a socket, be in simultaneously corresponding position is provided with the picture peg in first sleeve 102 and the second sleeve 202 insert the department on first connecting pipe 3 and the second connecting pipe 4 and be provided with a picture peg corresponding position is provided with the socket in first sleeve 102 and the second sleeve 202, through the picture peg with the cooperation of socket to guarantee unable relative rotation between the two.
The outer contours of the first connecting portion 101 and the second connecting portion 201 are substantially circular, and in order to ensure the compactness of the rotation of the first connecting portion 101 and the second connecting portion 201, tooth portions which are meshed with each other are arranged on the opposite surfaces of the first connecting portion 101 and the second connecting portion 201, the tooth portions are conical tooth blocks 11, and the conical tooth blocks 11 are arranged at intervals in an annular manner and are positioned at the edges of the first connecting portion 101 and the second connecting portion 201.
The center of first connecting portion 101 and second connecting portion 201 is provided with the through hole, pivot 6 runs through first connecting portion 101 and second connecting portion 201, and set up end cap and locking knob 5 respectively at the both ends of pivot 6, the diameter of end cap is greater than the diameter of through hole, locking knob 5 activity sets up in pivot 6 is last and be located locking knob 5 department is provided with first screw thread 12 be provided with second screw thread 13 in the locking knob 5, specifically, the length region of first screw thread 12 is greater than the length region of second screw thread 13, can make when locking knob 5 rotates locking knob 5 is in move on the pivot 6, makes locking knob 5 extremely the distance side length of end cap, can move about between first connecting portion 101 and the second connecting portion 201.
Articulated mechanism sets up on the machine of beating the grass, wherein, host computer 14 is installed to the tip of first connecting pipe 3, grass device 15 is installed to the tip of second connecting pipe 4, host computer 14 is at least including input power and the portion of gripping, grass device 15 includes the motor at least and through its rotatory head or the blade of beating the grass of motor drive, be connected through 9 electricity of wire between input power and the motor, wire 9 sets up in articulated mechanism, through the relative rotation of first connecting portion 101 and second connecting portion 201 on the articulated mechanism, can do grass machine provides expansion state and fold condition.
The utility model discloses a working process: if the initial state is the unfolding state, through outwards rotating locking knob 5, second screw thread 13 with first screw thread 12 cooperation, first connecting portion 101 and second connecting portion 201 can't laminate mutually this moment, and two sets of toper tooth piece 11 breaks away from mutually, holds first connecting pipe 3 back is rotated to the second direction, is right first connecting pipe 3 and second connecting pipe 4 are folded, rotate again afterwards locking knob 5, first connecting portion 101 and second connecting portion 201 laminate again, and two sets of toper tooth piece 11 is engaged again, if the initial state is fold condition, then holds first connecting pipe 3 rotates to the first direction, and is the same, makes first connecting pipe 3 and second connecting pipe 4 unfold completely, rotate again afterwards locking knob 5, first connecting portion 101 and second connecting portion 201 laminate again.
The above is only an embodiment of the present invention, and is not a limitation to the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the simple modification, equivalent change or modification made by the present invention all fall into the protection scope of the present invention.
Claims (10)
1. An articulating mechanism, comprising,
a first hinge including a first connection and a first bushing;
a second hinge including a second connection portion and a second bushing;
the first connecting pipe is arranged on the first sleeve;
the second connecting pipe is arranged on the second sleeve;
the first connecting portion and the second connecting portion are rotatably connected through a rotating shaft, and a locking knob is arranged on the rotating shaft to lock the first connecting portion and the second connecting portion so that the first connecting portion and the second connecting portion cannot rotate relatively.
2. The hinge mechanism as claimed in claim 1, wherein the first connecting portion and the second connecting portion have an inner cavity after being combined, and the first sleeve and the second sleeve have threading holes formed therein and penetrating the inner cavity.
3. An articulating mechanism according to claim 1, wherein the wire is threaded through the first connecting tube, the first cannula, the lumen, the second cannula, the second connecting tube in that order.
4. The hinge mechanism according to claim 1, wherein the first connecting portion and the second connecting portion are provided with stoppers, when the first sleeve rotates in the first direction to coincide with or tend to be parallel to the axial direction of the second sleeve, the two stoppers abut against each other to limit the first sleeve from continuing to rotate in the first direction, and when the first sleeve rotates in the second direction to tend to be parallel to the axial direction of the second sleeve, the first sleeve abuts against the outer wall of the second sleeve.
5. The hinge mechanism as claimed in claim 1, wherein the first connecting tube is inserted or fixed to the first sleeve; the second connecting pipe is inserted or sleeved and fixed on the second sleeve.
6. A hinge mechanism according to claim 1, wherein the first and second coupling portions have mutually engaging teeth on opposite sides thereof.
7. A hinge mechanism according to claim 1, wherein the first and second connecting portions have a substantially circular outer profile, and the first and second sleeves are substantially aligned in the axial direction when the hinge mechanism is in the fully extended position.
8. The hinge mechanism as claimed in claim 1, wherein the shaft penetrates the first connecting portion and the second connecting portion, and a plug and the locking knob are respectively disposed at two ends of the shaft, and the locking knob is movably disposed on the shaft.
9. The hinge mechanism as claimed in claim 8, wherein the shaft has a first thread, the locking knob has a second thread with a length smaller than the first thread, and the locking knob is movable on the shaft to control the engagement of the first and second connecting portions.
10. A grass trimmer, characterized in that, includes the hinge mechanisms according to any one of claims 1-9, the host computer is installed to the tip of first connecting pipe, the device of beating the grass is installed to the tip of second connecting pipe, the host computer includes input power and the portion of gripping at least, the device of beating the grass includes the motor at least and through its rotatory head or the blade of beating the grass of motor drive, be connected through the wire electricity between input power and the motor, the wire sets up in hinge mechanisms, through the relative rotation of first connecting portion and second connecting portion on the hinge mechanisms, can for grass trimmer provides expansion state and fold condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375047.5U CN218736015U (en) | 2022-12-16 | 2022-12-16 | Hinge mechanism and grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375047.5U CN218736015U (en) | 2022-12-16 | 2022-12-16 | Hinge mechanism and grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218736015U true CN218736015U (en) | 2023-03-28 |
Family
ID=85684412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223375047.5U Active CN218736015U (en) | 2022-12-16 | 2022-12-16 | Hinge mechanism and grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218736015U (en) |
-
2022
- 2022-12-16 CN CN202223375047.5U patent/CN218736015U/en active Active
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