CN220528605U

CN220528605U - Cutter head capable of conveniently replacing blades and preventing accumulated materials

Info

Publication number: CN220528605U
Application number: CN202321742700.9U
Authority: CN
Inventors: 曹利锋
Original assignee: Hangzhou Shengda Bearing Co ltd
Current assignee: Hangzhou Shengda Bearing Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-02-27
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a cutter head capable of conveniently replacing blades and preventing accumulated materials, which is provided with a driving shaft, wherein the bottom of the driving shaft is fixedly connected with the cutter head, and the side surface of the cutter head is provided with mounting grooves at equal angles, and the cutter head comprises: the adjusting rod is movably penetrated through the bottom of the cutterhead, a rotating structure is formed by the damping piece and the cutterhead, and a guide disc is fixedly sleeved on the outer side of the adjusting rod; the support plate is fixed in the inside of blade disc, the inside of support plate runs through there is the movable rod, and the one end that the guide disc was kept away from to the movable rod is fixed with the guide block, run through on the blade disc of guide block avris has the stopper, and has seted up logical groove on the blade of stopper below. This cutter head of preventing long-pending material convenient to change blade can be when the installation blade or dismantle the blade and maintain, operates all blades simultaneously, and then has promoted the convenience of dismouting, and when single blade damages, can only demolish the change to single blade again, has consequently promoted the practicality of cutter head.

Description

Cutter head capable of conveniently replacing blades and preventing accumulated materials

Technical Field

The utility model relates to the technical field of mowers, in particular to a cutter head capable of conveniently replacing blades and preventing accumulated materials.

Background

Cutter head is in the part of lawn mower, the blade is installed to the angle on the cutter head, and drive the blade through the cutter head and rotate and realize mowing, in order to guarantee mowing efficiency, need in time change after the blade damages, for example, the cutter head of lawn mower of publication No. CN210782080U, be suitable for cutter head technical field's production and application, pour into the coolant powder into the ring piece through the pipe, when the disk body is in use, the effort that produces because of rotatory will make the coolant powder throw out to the disk body through the pipe chute, and evenly spray to the blade surface and carry out effectual cooling to the blade through the round hole, simultaneously through pressing T type post, make the spring shrink, T type post can be along hollow post to the rear end remove and support out the blade, thereby reduce the probability of touching with the blade when dismantling the blade, the cutter head of current lawn mower has been solved, be inconvenient for maintenance and the problem that is difficult to cool down. However, the cutter head of the mower still has the following defects in the actual use process:

the cutter disc realizes the replacement of the cutter blades, but only can be used for singly disassembling and replacing the cutter blades, and a plurality of cutter blades cannot be disassembled simultaneously, so that the cutter disc is inconvenient to operate all the cutter blades simultaneously when being installed or disassembled for maintenance, the complexity of operation is further increased, and the cutter disc needs to be innovatively designed on the basis of the original cutter disc.

Disclosure of Invention

The utility model aims to provide a cutter head capable of conveniently replacing blades and preventing accumulated materials, which aims to solve the problems that in the prior art, only the blades can be detached and replaced singly, and a plurality of blades cannot be detached simultaneously, so that the cutter head is inconvenient to operate all the blades simultaneously during installation or detachment and maintenance, and the operation complexity is further increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cutter head capable of preventing accumulated materials is convenient for replacing blades, the cutter head is provided with a driving shaft, the bottom of the driving shaft is fixedly connected with the cutter head, mounting grooves are formed in the side surfaces of the cutter head at equal angles, and the blades are mounted in the mounting grooves;

comprising the following steps: the adjusting rod is movably penetrated through the bottom of the cutterhead, a rotating structure is formed by the damping piece and the cutterhead, and a guide disc is fixedly sleeved on the outer side of the adjusting rod;

the backup pad is fixed in the inside of blade disc, the inside of backup pad runs through there is the movable rod, and the one end that the guide disc was kept away from to the movable rod is fixed with the guide block, run through on the blade disc of guide block avris has the stopper, and has seted up logical groove on the blade of stopper below to the outside winding of stopper has the spring that makes its reset.

Preferably, the edge of the guiding disc is curved, the end part of the movable rod is in initial contact with the concave part of the guiding disc, and the movable rod is in sliding connection with the supporting plate, so that the movable rod can be pushed to slide on the supporting plate through the bulge at the edge of the guiding disc after the guiding disc rotates.

Preferably, the guide disc, the movable rod, the guide block and the limiting block are all arranged in the cutter disc at equal angles, two guide blocks are arranged in each group, the guide blocks are hemispherical, the limiting block can be pushed to slide on the cutter disc after moving, the movable rod drives the guide blocks to synchronously move when moving, and then the two limiting blocks are mutually close.

Preferably, the limiting block is in sliding connection with the cutterhead, the moving directions of the two limiting blocks which correspond up and down are opposite, the limiting block is in clamping connection with the through groove, and the limiting block can be inserted into the through groove after moving, so that the locking of the blade is realized.

Preferably, the upper end surface of the blade is penetrated with a deflector rod in a sliding way, the blade at the outer side of the deflector rod is provided with a fixed groove, the deflector rod and the blade form a sliding structure through the fixed groove, and the deflector rod can slide in the fixed groove when being pulled, so that the traction rope is pulled to synchronously move.

Preferably, the bottom of fixed slot and the one end fixed connection of haulage rope, and the other end of haulage rope is connected with the connecting block to the outside and the guide wheel sliding connection of haulage rope, the haulage rope is "Y" shape structure simultaneously, can pull the connecting block and get into the storage tank inside after the haulage rope receives the pulling.

Preferably, the guide wheel is arranged at the inner side of the storage groove, the storage groove is formed in one end of the blade close to the cutter head, the connecting block is in sliding connection with the storage groove, a spring is arranged between the connecting block and the cutter head, the sum of the lengths of the two connecting blocks is larger than the length of the through groove, and the connecting blocks are not locked by the limiting block after entering the storage groove.

Compared with the prior art, the utility model has the beneficial effects that: this cutter disc convenient to change cutter blade prevent long-pending material can be when installing the blade or dismantle the blade and maintain, operates all blades simultaneously, and then has promoted the convenience of dismouting, and when single blade damages, can only demolish the change to single blade again, has consequently promoted the practicality of cutter disc, and specific content is as follows:

1. when the blade is placed in the mounting groove, the guide disc is driven to rotate through the adjusting rod, and then the movable rod and the guide block are pushed to move through the guide disc, so that the guide block can push the limiting blocks to slide on the cutter disc, the two limiting blocks are mutually close to each other and are inserted into the through groove, the blade can be locked, and the blade at the same angle can be locked and removed at the same time;

2. when the driving lever is pulled to move in the fixed groove, the connecting blocks are pulled to slide in the storage groove through the pulling rope, so that the two connecting blocks are far away from each other, the through groove is not locked by the limiting block, the blade at the position can be independently dismantled, and when the driving lever is not pulled, the two connecting blocks can be driven to be contacted through the rebound resilience of the spring, and the blade can be locked by the limiting block.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the front cross-section structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic view of the elevation-section structure of the cutterhead of the utility model;

fig. 5 is a schematic view of a top-down view of a blade according to the present utility model.

In the figure: 1. a drive shaft; 2. a cutterhead; 3. a mounting groove; 4. a blade; 5. an adjusting rod; 6. a guide plate; 7. a movable rod; 8. a support plate; 9. a guide block; 10. a limiting block; 11. a through groove; 12. a deflector rod; 13. a fixing groove; 14. a traction rope; 15. a guide wheel; 16. a connecting block; 17. and a storage groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the cutter head capable of preventing accumulated materials and facilitating blade replacement is provided with a driving shaft 1, wherein the bottom of the driving shaft 1 is fixedly connected with the cutter head 2, a mounting groove 3 is formed in the side surface of the cutter head 2 at equal angles, and a blade 4 is mounted in the mounting groove 3; comprising the following steps: the adjusting rod 5 is movably penetrated through the bottom of the cutterhead 2, the adjusting rod 5 forms a rotating structure with the cutterhead 2 through a damping piece, and a guide disc 6 is fixedly sleeved on the outer side of the adjusting rod 5; the backup pad 8 is fixed in the inside of blade disc 2, and the inside of backup pad 8 runs through has movable rod 7, and the one end that guide disc 6 was kept away from to movable rod 7 is fixed with guide block 9, runs through on the blade disc 2 of guide block 9 avris has stopper 10, and has seted up logical groove 11 on the blade 4 of stopper 10 below to the outside winding of stopper 10 has the spring that makes its reset.

As shown in fig. 1 to 4, the edge of the guide plate 6 is curved, and the end initial state of the movable lever 7 is in contact with the concave portion of the guide plate 6, and the movable lever 7 and the support plate 8 are slidably connected; six groups of guide discs 6, movable rods 7, guide blocks 9 and limiting blocks 10 are arranged in the cutter head 2 at equal angles, two groups of guide blocks 9 are arranged in each group, the guide blocks 9 are hemispherical, and the limiting blocks 10 can be pushed to slide on the cutter head 2 after the guide blocks 9 move; the limiting block 10 and the cutter head 2 are in sliding connection, the moving directions of the two limiting blocks 10 which correspond up and down are opposite, the limiting block 10 and the through groove 11 are in clamping connection, after the blade 4 is placed in the corresponding mounting groove 3, the guide disc 6 can be driven to rotate through the adjusting rod 5, the movable rod 7 is pushed to slide on the supporting plate 8 through the protruding position of the edge of the guide disc 6, the guide block 9 is driven to synchronously move, the movable rod 7 and the guide block 9 which are distributed at equal angles can be mutually separated, the limiting block 10 can be pushed to slide on the cutter head 2 through the guide block 9, the two limiting blocks 10 are mutually close to each other and are inserted into the through groove 11, the blade 4 after being placed can be locked, the adjusting rod 5 and the cutter head 2 can be rotated through the damping piece, so that the stability of the guide disc 6 can be ensured after being installed can be ensured, the position of the blade 4 cannot be easily deviated when the adjusting rod 5 is continuously rotated, the movable rod 7 is not pushed by the guide disc 6, the rebound resilience of the spring on the limiting block 10 can be moved and separated from the through the groove 11, and the movable rod 7 can be driven to be in such a way to be in contact with the guide disc 6 again, and the plurality of blades 4 can be conveniently disassembled and installed;

as shown in fig. 3 and 5, the upper end surface of the blade 4 is penetrated with a deflector rod 12 in a sliding way, the blade 4 at the outer side of the deflector rod 12 is provided with a fixed slot 13, and the deflector rod 12 and the blade 4 form a sliding structure through the fixed slot 13; the bottom of the fixed groove 13 is fixedly connected with one end of the traction rope 14, the other end of the traction rope 14 is connected with a connecting block 16, the outer side of the traction rope 14 is in sliding connection with the guide wheel 15, and meanwhile the traction rope 14 is of a Y-shaped structure; the guide wheel 15 is arranged at the inner side of the storage groove 17, the storage groove 17 is formed in one end of the blade 4, which is close to the cutter disc 2, the connecting block 16 and the storage groove 17 are in sliding connection, a spring is arranged between the connecting block 16 and the cutter disc 2, the sum of the lengths of the two connecting blocks 16 is larger than the length of the through groove 11, when a single blade 4 is damaged, the deflector rod 12 can be pulled to slide in the fixed groove 13, then the connecting block 16 is pulled to move through the traction rope 14, the traction rope 14 can promote the smoothness of pulling through the rotating guide wheel 15, then the connecting block 16 is pulled into the storage groove 17, the through groove 11 is not limited by the locking of the position block 10 any more, the blade 4 can be taken out through the opening of the blade 4, after the new blade 4 is replaced, the two connecting blocks 16 can be driven to be mutually close to and attached through the rebound resilience of the spring on the connecting block 16 after the pulling of the deflector rod 12 is released, and therefore the limiting block 10 can limit the through groove 11 again, and the installation of the blade 4 is realized.

Working principle: as shown in fig. 1-5, the blades 4 are placed in the corresponding mounting grooves 3, then the guide disc 6 is driven to rotate by the adjusting rod 5, the movable rod 7 and the guide block 9 are pushed to move, and then the two limiting blocks 10 are pushed to approach each other, so that the blades 4 are locked, and a plurality of blades 4 are conveniently and simultaneously installed and removed;

when the single blade 4 is damaged, the pulling rod 12 is pulled to further pull the two connecting blocks 16 to be separated through the traction rope 14, so that the locking of the blade 4 can be released, and the single blade 4 can be removed and replaced.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The cutter head capable of preventing accumulated materials and facilitating blade replacement is provided with a driving shaft (1), wherein the cutter head (2) is fixedly connected to the bottom of the driving shaft (1), a mounting groove (3) is formed in the side surface of the cutter head (2) at equal angles, and a blade (4) is mounted in the mounting groove (3);

characterized by comprising the following steps:

the adjusting rod (5) is movably penetrated through the bottom of the cutterhead (2), the adjusting rod (5) forms a rotating structure through a damping piece and the cutterhead (2), and a guide disc (6) is fixedly sleeved on the outer side of the adjusting rod (5);

the support plate (8) is fixed in the inside of blade disc (2), the inside of support plate (8) is run through and is had movable rod (7), and the one end that guide dish (6) was kept away from to movable rod (7) is fixed with guide block (9), run through on blade disc (2) of guide block (9) avris stopper (10), and set up logical groove (11) on blade (4) of stopper (10) below to the outside winding of stopper (10) has the spring that makes it reset.

2. A stock-holding prevention cutterhead for facilitating replacement of blades as set forth in claim 1, wherein: the edge of the guide disc (6) is curved, the initial state of the end part of the movable rod (7) is contacted with the concave part of the guide disc (6), and the movable rod (7) is in sliding connection with the supporting plate (8).

3. A stock-holding prevention cutterhead for facilitating replacement of blades as set forth in claim 1, wherein: six groups of guide discs (6), movable rods (7), guide blocks (9) and limiting blocks (10) are arranged in the cutter disc (2) at equal angles, two guide blocks (9) are arranged in each group, and the guide blocks (9) are hemispherical and can push the limiting blocks (10) to slide on the cutter disc (2) after moving.

4. A stock-holding prevention cutterhead for facilitating replacement of blades as set forth in claim 1, wherein: the limiting blocks (10) are in sliding connection with the cutterhead (2), the moving directions of the two limiting blocks (10) which correspond to each other up and down are opposite, and the limiting blocks (10) are in clamping connection with the through grooves (11).

5. A stock-holding prevention cutterhead for facilitating replacement of blades as set forth in claim 1, wherein: the upper end face of the blade (4) is penetrated with a deflector rod (12) in a sliding way, the blade (4) on the outer side of the deflector rod (12) is provided with a fixing groove (13), and the deflector rod (12) and the blade (4) form a sliding structure through the fixing groove (13).

6. An anti-accumulation cutterhead for facilitating replacement of blades according to claim 5, wherein: the bottom of the fixed groove (13) is fixedly connected with one end of the traction rope (14), the other end of the traction rope (14) is connected with a connecting block (16), the outer side of the traction rope (14) is in sliding connection with the guide wheel (15), and meanwhile the traction rope (14) is of a Y-shaped structure.

7. An anti-accumulation cutterhead for facilitating replacement of blades according to claim 6, wherein: the guide wheel (15) is arranged on the inner side of the storage groove (17), the storage groove (17) is formed in one end, close to the cutter disc (2), of the blade (4), the connecting block (16) is in sliding connection with the storage groove (17), a spring is arranged between the connecting block (16) and the cutter disc (2), and the sum of the lengths of the two connecting blocks (16) is larger than the length of the through groove (11).