Quick locking grass trimmer

Abstract

The utility model discloses a fast locking grass trimmer which comprises a first connecting pipe and a second connecting pipe, a clamping assembly is arranged at the opposite ends of the first connecting pipe and the second connecting pipe, a locking assembly is arranged outside the clamping assembly, a through hole matched with a threaded rod is formed in one side of a locking clamp, and the outer wall of a pin piece is rotationally connected with a locking wrench in a sleeved mode. The connector pipe is fixedly connected to the end of the second connecting pipe, the outer wall of the first connecting pipe is sleeved with the connector pipe, and the positioning piece is clamped between the connector pipe and the first connecting pipe. The first connecting pipe, the second connecting pipe, the clamping assembly and the locking assembly are used in a matched mode, the first connecting pipe and the second connecting pipe can be connected in an inserted mode through the clamping assembly, the butt joint position of the first connecting pipe and the second connecting pipe can be clamped, the locking assembly is clamped and wrapped outside the clamping assembly, and the locking assembly can be used for locking the first connecting pipe and the second connecting pipe. And in addition, the locking wrench can be rotated to lock or unlock the locking wrench, so that the operation convenience of the locking wrench is improved.

Description

Technical Field

[0001] The utility model relates to the field of quick locking, in particular to a quick locking grass trimmer. Background Art

[0002] A lawn mower is a mechanical device used to mow gardens, lawns, lawns or pastures. It is usually driven by an engine and equipped with rotating blades or teeth for cutting and trimming grass on the lawn. The main components of a lawn mower include an engine, blades, a frame and a control handle.

[0003] The control handle of a lawn mower is usually composed of a pipe fitting and a handle. With the continuous development of pipe fittings, they have penetrated into various fields. When pipe fittings are used in lawn mowers, the pipes have a certain length due to the regulations on safety dimensions and the need for convenient operation. This greatly increases the packaging size of the machine. In order to reduce the packaging size, many manufacturers divide the connecting pipe into two or three sections. In the prior art, the joints of the connecting pipes basically adopt a bolt knob locking structure, and the connecting pipes are mostly made of metal materials, which require a lot of force when clamped. The knob locking structure is laborious to lock, and disassembly and assembly are time-consuming and laborious. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-locking grass trimmer to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-locking grass trimmer, comprising a first connecting pipe and a second connecting pipe;

[0006] The first connecting tube and the second connecting tube are provided with a clamping assembly at one end opposite to each other, and a locking assembly is provided outside the clamping assembly, and the locking assembly includes:

[0007] A locking clip, the locking clip is sleeved on the outside of the clamping assembly;

[0008] A screw rod, one side of the locking clamp is provided with a through hole matching the screw rod;

[0009] A locking wrench and a pin, one side of the pin is provided with a threaded hole matching the screw rod, and the outer wall of the pin is rotatably sleeved with the locking wrench.

[0010] Preferably, the clamping assembly comprises:

[0011] A joint pipe, the joint pipe is fixedly connected to the end of the second connecting pipe, and the joint pipe is sleeved on the outer wall of the first connecting pipe;

[0012] A positioning piece is clamped between the joint pipe and the first connecting pipe.

[0013] Preferably, the outer wall of the joint pipe is slidably connected to the locking clamp, the bottom of the joint pipe is provided with a groove, and the top of the joint pipe, the top of the locking clamp and the top of the first connecting pipe are all provided with a second positioning hole matching the positioning piece.

[0014] Preferably, the tops of the joint tube, the first connecting tube and the locking clamp are all provided with a first positioning hole, a button is slidably sleeved inside the first positioning hole, the bottom of the button and the bottom of the positioning piece are fixedly connected with a connecting plate, and a spring is installed at the bottom of the connecting plate.

[0015] Preferably, one end of the screw is fixedly connected to a rectangular block, one side of the rectangular block is fixedly connected to a limiting plate, one side of the locking clamp is provided with a rectangular hole matching the rectangular block, the outer wall of the screw is sleeved with a gasket, and the gasket is located between the pin and the locking clamp.

[0016] Preferably, a protruding sector is symmetrically fixedly connected to one side of the outer wall of the locking wrench, a mounting hole matching the pin is provided at the top of the locking wrench, an opening matching the screw is provided on one side of the locking wrench, one end of the locking wrench is a flat approach portion, and the side of one side of the locking wrench is an arc away portion.

[0017] Technical effects and advantages of the utility model:

[0018] The utility model utilizes the coordinated use of the first connecting tube, the second connecting tube, the clamping assembly and the locking assembly. The clamping assembly can make the first connecting tube and the second connecting tube plug-in connected, and make the first connecting tube and the second connecting tube be clamped at the butt joint. The locking assembly is clamped and wrapped on the outside of the clamping assembly, and can be locked or unlocked by turning the locking wrench, thereby improving the convenience of its operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0021] Figure 3 The utility model is a schematic diagram of the internal structure of the locking wrench when the side is opened.

[0022] Figure 4 It is a schematic diagram of the internal structure of the locking wrench of the utility model when the side is closed.

[0023] Figure 5 The utility model is a schematic diagram of the overall structure of the locking wrench.

[0024] In the figure: 1. first connecting tube; 2. second connecting tube; 3. snap-on assembly; 31. joint tube; 32. slot; 33. button; 34. first positioning hole; 35. positioning piece; 36. second positioning hole; 4. locking assembly; 41. locking clamp; 42. screw; 43. locking wrench; 431. protruding sector; 432. mounting hole; 433. opening; 434. plane approaching portion; 435. arc away from portion; 44. pin; 45. rectangular block; 46. limit plate; 47. gasket. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-5 A quick-locking lawn mower shown in the figure includes a first connecting tube 1 and a second connecting tube 2. A clamping assembly 3 is provided at one end opposite to the first connecting tube 1 and the second connecting tube 2. The clamping assembly 3 includes a joint tube 31 and a positioning member 35. The joint tube 31 is fixedly connected to the end of the second connecting tube 2. The joint tube 31 is sleeved on the outer wall of the first connecting tube 1. A groove 32 is provided at the bottom of the joint tube 31. Under the action of the joint tube 31, the first connecting tube 1 can be connected to the second connecting tube 2. Since the groove 32 is provided at the bottom of the joint tube 31, the outside of the joint tube 31 is subjected to a clamping force, the distance between the grooves 32 at the bottom of the joint tube 31 is reduced, and the joint tube 31 clamps and wraps the first connecting tube 1 to lock it. The outside of the clamping assembly 3 is provided There is a locking component 4, which includes a locking clamp 41, a screw 42, a locking wrench 43 and a pin 44. The locking clamp 41 is sleeved on the outside of the clamping component 3, and a through hole matching the screw 42 is opened on one side of the locking clamp 41, and a threaded hole matching the screw 42 is opened on one side of the pin 44. The outer wall of the pin 44 is rotatably sleeved with the locking wrench 43. Rotating and closing the locking wrench 43 can make one side of the locking wrench 43 squeeze the locking clamp 41, so that the locking clamp 41 clamps the joint pipe 31, and the groove 32 at the bottom of the joint pipe 31 is reduced, thereby clamping and fixing the first connecting pipe 1. Rotating and opening the locking wrench 43, the locking clamp 41 no longer clamps the joint pipe 31, and the first connecting pipe 1 can be removed.

[0027] Specifically, the positioning piece 35 is clamped between the joint pipe 31 and the first connecting pipe 1, and the outer wall of the joint pipe 31 is slidably sleeved with the locking clip 41. The top of the joint pipe 31, the top of the locking clip 41 and the top of the first connecting pipe 1 are all provided with a second positioning hole 36 matching the positioning piece 35. The tops of the joint pipe 31, the first connecting pipe 1 and the locking clip 41 are all provided with a first positioning hole 34. The inside of the first positioning hole 34 is slidably sleeved with a button 33. The bottom of the button 33 and the bottom of the positioning piece 35 are fixedly connected with a connecting plate. A spring is installed at the bottom of the connecting plate. The spring is sufficient to support the weight of the connecting plate, the button 33 and the positioning piece 35. Under the action of the spring, the positioning piece 35 is clamped with the second positioning hole 36 on the joint pipe 31 and the first connecting pipe 1, which can improve the stability of the docking between the first connecting pipe 1 and the joint pipe 31. Pressing the button 33 can make the connecting plate drive the positioning piece 35 to slide and separate from the second positioning hole 36 on the joint pipe 31.

[0028] Furthermore, one end of the screw rod 42 is fixedly connected to a rectangular block 45, one side of the rectangular block 45 is fixedly connected to a limit plate 46, and one side of the locking clamp 41 is provided with a rectangular hole matching the rectangular block 45, so that the screw rod 42 passes through the locking clamp 41, so that the rectangular block 45 at one end of the screw rod 42 is engaged with the rectangular hole on the locking clamp 41, and at this time the screw rod 42 cannot rotate relative to the locking clamp 41, so that the locking wrench 43 drives the pin 44 to dock with the screw rod 42, and the locking wrench is rotated. By using hand 43, the pin 44 can be threadedly sleeved on the screw rod 42. The outer wall of the screw rod 42 is sleeved with a gasket 47. The gasket 47 is located between the pin 44 and the locking clamp 41. When the locking wrench 43 drives the pin 44 to connect with the screw rod 42, one end of the locking wrench 43 moves toward the gasket 47. One side of the outer wall of the locking wrench 43 is symmetrically fixedly connected with a protruding fan surface 431. The protruding fan surface 431 can increase the pushing area of ​​the locking wrench 43, thereby facilitating the pushing of the locking wrench 43 is in a closed state, a mounting hole 432 matching the pin 44 is provided on the top of the locking wrench 43, an opening 433 matching the screw 42 is provided on one side of the locking wrench 43, and one end of the locking wrench 43 is a flat approaching portion 434. When the flat approaching portion 434 at one end of the locking wrench 43 contacts the gasket 47, the locking wrench 43 is perpendicular to the axis of the first connecting tube 1 and the second connecting tube 2, that is, the locking wrench 43 is in an open state, and the locking wrench 43 is locked. The side of one side of the tightening wrench 43 is an arc away portion 435. When the locking wrench 43 is pushed to rotate relative to the pin 44, the arc away portion 435 contacts the gasket 47. Since the distance between one side of the arc away portion 435 and the axis center of the pin 44 is greater than the distance between one side of the plane approaching portion 434 and the axis center of the pin 44, the arc away portion 435 on the locking wrench 43 can squeeze the locking clamp 41 through the gasket 47, so that the locking clamp 41 squeezes and locks the joint pipe 31.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-locking grass trimmer, comprising a first connecting pipe (1) and a second connecting pipe (2); It is characterized in that A clamping assembly (3) is provided at one end opposite to the first connecting tube (1) and the second connecting tube (2), and a locking assembly (4) is provided outside the clamping assembly (3). The locking assembly (4) comprises: A locking clip (41), wherein the locking clip (41) is sleeved on the outside of the clamping assembly (3); A screw rod (42), wherein one side of the locking clamp (41) is provided with a through hole matching the screw rod (42); A locking wrench (43) and a pin (44), one side of the pin (44) is provided with a threaded hole matching the screw rod (42), and the outer wall of the pin (44) is rotatably sleeved with the locking wrench (43).

2. A quick-locking grass trimmer according to claim 1, characterized in that: The clamping assembly (3) comprises: A joint pipe (31), wherein the joint pipe (31) is fixedly connected to the end of the second connecting pipe (2), and the joint pipe (31) is sleeved on the outer wall of the first connecting pipe (1); A positioning member (35) is clamped between the joint pipe (31) and the first connecting pipe (1).

3. A quick-locking grass trimmer according to claim 2, characterized in that: The outer wall of the joint pipe (31) is slidably sleeved with the locking clamp (41), the bottom of the joint pipe (31) is provided with a slot (32), and the top of the joint pipe (31), the top of the locking clamp (41) and the top of the first connecting pipe (1) are all provided with a second positioning hole (36) matching the positioning piece (35).

4. A quick-locking grass trimmer according to claim 3, characterized in that: The joint pipe (31), the first connecting pipe (1) and the locking clamp (41) are all provided with a first positioning hole (34) at the top, a button (33) is slidably sleeved inside the first positioning hole (34), a connecting plate is fixedly connected to the bottom of the button (33) and the bottom of the positioning member (35), and a spring is installed at the bottom of the connecting plate.

5. The quick-locking grass trimmer according to claim 1, characterized in that: One end of the screw rod (42) is fixedly connected to a rectangular block (45), one side of the rectangular block (45) is fixedly connected to a limiting plate (46), one side of the locking clamp (41) is provided with a rectangular hole matching the rectangular block (45), the outer wall of the screw rod (42) is sleeved with a gasket (47), and the gasket (47) is located between the pin (44) and the locking clamp (41).

6. A quick-locking grass trimmer according to claim 1, characterized in that: A protruding sector (431) is symmetrically fixedly connected to one side of the outer wall of the locking wrench (43); a mounting hole (432) matching the pin (44) is provided at the top of the locking wrench (43); an opening (433) matching the screw rod (42) is provided at one side of the locking wrench (43); one end of the locking wrench (43) is a plane approaching portion (434); and the side of one side of the locking wrench (43) is a circular arc away portion (435).

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