CN212464057U

CN212464057U - Wear-resistant mower blade

Info

Publication number: CN212464057U
Application number: CN202020550763.4U
Authority: CN
Inventors: 徐萍
Original assignee: Hangzhou Gangda Machinery Fittings Co ltd
Current assignee: Hangzhou Gangda Machinery Fittings Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-02-05
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a wear-resistant mower blade, which belongs to the technical field of mowers and comprises a lower cutter disc, wherein the outer side of the lower cutter disc is uniformly provided with a plurality of blade bodies and a plurality of upper cutter discs, the upper parts of the blade bodies are provided with upper cutter discs, the blade bodies, the lower cutter discs and the upper cutter discs are connected through a connecting component, a plurality of fixing screws are uniformly fixed above the lower cutter discs, the fixing screws penetrate through the upper cutter discs and extend to the upper parts of the upper cutter discs, the outer sides of the fixing screws are provided with fixing nut components, the utility model realizes the function of single replacement of damaged blades by arranging the upper cutter discs, fixing grooves, fixing nut components, fixing screws, the connecting component comprising connecting blocks, limiting clamping rods and placing grooves, the lower cutter discs and other structures, under the mutual cooperation of the structures, the structure is simple and the operation is convenient, and unnecessary economic loss can be reduced.

Description

Wear-resistant mower blade

Technical Field

The utility model belongs to the technical field of the lawn mower, concretely relates to stand wear and tear lawn mower blade.

Background

A lawn mower is a mechanical tool for trimming lawns, vegetation, and the like, and a wear-resistant blade is one of important components of the lawn mower, but the existing wear-resistant mower blade still has some defects.

The prior art wear resistant mower blades suffer from the following problems: if the blade body of the existing wear-resistant mower blade is damaged, the blade body needs to be integrally replaced, so that unnecessary waste and economic loss are caused.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a stand wear and tear lawn mower blade has and to damaging the blade and carry out single replacement, simple structure, convenient operation to can reduce unnecessary economic loss, and can effectively protect the screw cap body, avoid its condition that drops or corrosion appear, and then guaranteed the characteristics of the holistic steadiness of the device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stand wear and tear lawn mower blade, includes cutterhead down, the outside of lower cutterhead evenly is provided with a plurality of blade body, a plurality of the top of blade body is provided with the blade disc, be connected through coupling assembling between blade body and lower cutterhead and the last cutterhead, the top of lower cutterhead evenly is fixed with a plurality of clamping screw, clamping screw runs through the top that the blade disc extends to the last cutterhead, clamping screw's the outside is provided with the fixing nut subassembly, the fixed slot has been seted up to the inside of going up the cutterhead and the position department that corresponds the fixing nut subassembly.

Preferably, the fixed nut component comprises an internal thread, a nut body, an external thread, a protective shell, a containing groove, a rotating handle and a mounting groove, the rotating handle is arranged on the inner portion of the protective shell in a leaning mode, the containing groove is formed in the inner portion of the protective shell and located at the position below the rotating handle, the mounting groove is formed in the inner portion of the protective shell in a leaning mode below the protective shell, the external thread is arranged on the outer side wall of the mounting groove, the internal thread is formed in the inner side wall of the fixing groove and corresponds to the position of the external thread, and the nut body is fixed to the inner portion.

Preferably, coupling assembling includes connecting block, spacing kelly and standing groove, the inside of connecting block is provided with spacing kelly, the standing groove has been seted up to the inside of lower blade disc and the position department that corresponds the connecting block, spacing kelly and last blade disc structure as an organic whole set up.

Preferably, the nut body is provided with a threaded hole in the position corresponding to the fixing screw, the inner side wall of the threaded hole is provided with a first internal thread, the outer side wall of the fixing screw is provided with a first external thread, and the first internal thread is meshed with the first external thread.

Preferably, the protection shell is provided with a hemispherical groove at a position inside the protection shell and between the rotating handle and the accommodating groove.

Preferably, the position inside the connecting block and corresponding to the limiting clamping rod is provided with a limiting clamping hole, and an elastic gasket is fixed on the inner side wall of the limiting clamping hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up blade disc, fixed slot, fixed nut subassembly, clamping screw, including connecting block, spacing kelly and standing groove's coupling assembling and lower blade disc isotructure, under mutually supporting of these structures, realized can carrying out the function of single replacement to damaging the blade, simple structure, convenient operation to can reduce unnecessary economic loss.

2. The utility model discloses a setting includes the fixed subassembly of nut of internal thread, nut body, external screw thread, protective housing, holding tank, rotation handle and mounting groove, under the effect of this structure, has realized the function that can effectively protect the nut body, avoids its condition that drops or corrosion to appear, and then has guaranteed the holistic steadiness of the device.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of the mounting nut retainer assembly of FIG. 1;

fig. 3 is a schematic structural view of the present invention in a sectional plan view;

fig. 4 is a schematic structural view of the cross section of fig. 1A according to the present invention;

FIG. 5 is a schematic sectional side view of the nut fixing assembly of the present invention;

in the figure: 1. feeding a cutter head; 2. a blade body; 3. fixing grooves; 4. a fixing nut assembly; 41. an internal thread; 42. a nut body; 43. an external thread; 44. a protective housing; 45. accommodating grooves; 46. rotating the handle; 47. mounting grooves; 5. fixing the screw rod; 6. a connecting assembly; 61. connecting blocks; 62. a limiting clamping rod; 63. a placement groove; 7. and (5) discharging the cutter head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a stand wear and tear lawn mower blade, including lower blade disc 7, the outside of lower blade disc 7 evenly is provided with a plurality of blade body 2, the top of a plurality of blade body 2 is provided with blade disc 1, be connected through coupling assembling 6 between blade body 2 and lower blade disc 7 and the last blade disc 1, the top of lower blade disc 7 evenly is fixed with a plurality of clamping screw 5, clamping screw 5 runs through the top that blade disc 1 extends to supreme blade disc 1, clamping screw 5's the outside is provided with fixing nut component 4, fixed slot 3 has been seted up to the inside of going up blade disc 1 and the position department that corresponds fixing nut component 4.

Specifically, fixing nut component 4 includes internal thread 41, nut body 42, external screw thread 43, protective housing 44, holding tank 45, rotation handle 46 and mounting groove 47, protective housing 44's inside is provided with rotation handle 46 by the top, protective housing 44's inside and the position department that is located rotation handle 46 below have seted up holding tank 45, protective housing 44's inside has seted up mounting groove 47 by the below, mounting groove 47's lateral wall is provided with external screw thread 43, internal thread 41 has been seted up to the inside wall of fixed slot 3 and the position department that corresponds external screw thread 43, the inside of mounting groove 47 is fixed with nut body 42 by the top.

Through adopting above-mentioned technical scheme, when having realized can fixing clamping screw 5, be convenient for carry out the function of effective protection to nut body 42.

Specifically, coupling assembling 6 includes connecting block 61, spacing kelly 62 and standing groove 63, and the inside of connecting block 61 is provided with spacing kelly 62, and standing groove 63 has been seted up to the inside of lower blade disc 7 and the position department that corresponds connecting block 61, and spacing kelly 62 and last blade disc 1 structure as an organic whole set up.

By adopting the technical scheme, the blade body 2, the upper cutter head 1 and the lower cutter head 7 are stably connected.

Specifically, the inside of nut body 42 just corresponds set screw 5's position department and sets up threaded hole, and the inside wall of screw hole is provided with first internal thread, and set screw 5's lateral wall is provided with first external screw thread, first internal thread and first external screw thread intermeshing.

By adopting the above technical scheme, the nut body 42 can rotate along the fixing screw rod 5 conveniently.

Specifically, a hemispherical groove is formed in the protective housing 44 at a position between the rotating handle 46 and the receiving groove 45.

By adopting the above technical scheme, the handle 46 can be conveniently held by hand to rotate.

Specifically, the inside of connecting block 61 and the position department that corresponds spacing kelly 62 have seted up spacing calorie of hole, and the inside wall in spacing calorie of hole is fixed with the elastic gasket.

Through adopting above-mentioned technical scheme, effectively guaranteed that spacing kelly 62 stably places in the inside in spacing calorie of hole.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, each structure is installed, the operation can be started, the grass cutting operation is carried out through the blade bodies 2, after a period of use, if one of the blade bodies 2 is seriously worn, the fixed nut component 4 can be taken down along the fixed screw 5 (the handle 46 is held by hand to rotate the protective shell 44 along the fixed groove 3 under the action of the internal thread 41 and the external thread 43, meanwhile, the nut body 42 rotates along the fixed screw 5 until the fixed screw 5 is sequentially separated from the accommodating groove 45 and the mounting groove 47), then, under the action of gravity, the lower cutter 7 drives the blade body 2 to be separated from the upper cutter 1 (the limiting clamping rod 62 is separated from the connecting block 61, the fixed screw 5 is separated from the upper cutter 1), then, the damaged blade body 2 is taken down under the action of the connecting component 6 at the corresponding position (the connecting block 61 is taken out along the placing groove 63), and the new blade body 2 is placed back under the effect of the connecting assembly 6, and the device is reinstalled to continue to be used, and in addition, the nut body 42 is effectively protected under the effect of the protective shell 44.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wear and tear mower blade, includes lower blade disc (7), its characterized in that: the outside of lower blade disc (7) evenly is provided with a plurality of blade body (2), a plurality of the top of blade body (2) is provided with blade disc (1), be connected through coupling assembling (6) between blade body (2) and lower blade disc (7) and last blade disc (1), the top of lower blade disc (7) evenly is fixed with a plurality of clamping screw (5), clamping screw (5) run through the top that blade disc (1) extended supreme blade disc (1), the outside of clamping screw (5) is provided with fixed nut subassembly (4), fixed slot (3) have been seted up to the inside of going up blade disc (1) and the position department that corresponds fixed nut subassembly (4).

2. A wear resistant mower blade as claimed in claim 1 wherein: fixing nut subassembly (4) include internal thread (41), nut body (42), external screw thread (43), protecting sheathing (44), holding tank (45), rotate handle (46) and mounting groove (47), the inside of protecting sheathing (44) is provided with rotation handle (46) by the top, the inside of protecting sheathing (44) just is located the position department of rotating handle (46) below and has seted up holding tank (45), the inside of protecting sheathing (44) has seted up mounting groove (47) by the below, the lateral wall of mounting groove (47) is provided with external screw thread (43), the inside wall of fixed slot (3) just corresponds the position department of external screw thread (43) and has seted up internal thread (41), the inside of mounting groove (47) is fixed with nut body (42) by the top.

3. A wear resistant mower blade as claimed in claim 1 wherein: coupling assembling (6) are including connecting block (61), spacing kelly (62) and standing groove (63), the inside of connecting block (61) is provided with spacing kelly (62), standing groove (63) have been seted up to the inside of lower blade disc (7) and the position department that corresponds connecting block (61), spacing kelly (62) and last blade disc (1) structure as an organic whole set up.

4. A wear resistant mower blade as claimed in claim 2 wherein: the nut is characterized in that a threaded hole is formed in the nut body (42) and corresponds to the position of the fixing screw rod (5), a first internal thread is arranged on the inner side wall of the threaded hole, a first external thread is arranged on the outer side wall of the fixing screw rod (5), and the first internal thread and the first external thread are meshed with each other.

5. A wear resistant mower blade as claimed in claim 2 wherein: and a hemispherical groove is formed in the protective shell (44) and is positioned between the rotating handle (46) and the accommodating groove (45).

6. A wear resistant mower blade as claimed in claim 3 wherein: the inside of connecting block (61) just corresponds the position department of spacing kelly (62) and has seted up spacing calorie of hole, the inside wall in spacing calorie of hole is fixed with the elastic gasket.