CN213784297U

CN213784297U - High branch saw head and high branch saw

Info

Publication number: CN213784297U
Application number: CN202021588144.0U
Authority: CN
Inventors: 郭晓峰
Original assignee: Zhejiang Titan Machinery Co ltd
Current assignee: Zhejiang Titan Machinery Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-07-27
Anticipated expiration: 2030-08-03

Abstract

The application relates to a branches of tall trees saw head and branches of tall trees saw, wherein, branches of tall trees saw head includes: the saw head comprises a saw head body, a first guide rail and a second guide rail, wherein the saw head body is provided with a first surface and a second surface which are oppositely arranged; a chain cover disposed on the first surface; the gear box cover is arranged on the second surface, and the gear box cover and the chain cover are matched to form an accommodating space for accommodating the saw head body in the accommodating space; the transmission assembly is arranged in the accommodating space and is in transmission connection with the saw head body; the gear box is arranged on one side surface of the gear box cover opposite to the second surface, is connected with the gear box cover and is in transmission connection with the transmission assembly; the oil tank is arranged on one side surface, opposite to the second surface, of the gear box cover and is provided with a placing groove for accommodating the gear box; and the oil pump is clamped in the accommodating space and is connected with the oil tank.

Description

High branch saw head and high branch saw

Technical Field

The application relates to the technical field of garden tools, in particular to a lopper saw head and a lopper saw.

Background

As is well known, pole saws are a common and dangerous garden tool and therefore great care is taken in assembly and use. In order to ensure that the pole pruning saw has safety and good working state, the chain is sleeved on the peripheries of the chain wheel and the guide plate, and the chain can not be too tight or too loose, so that the chain needs to be repeatedly adjusted before use. However, in the prior art, the chain adjusting mechanism of the pole pruning saw has a complex structure and is complex to operate, and the assembly efficiency of the pole pruning saw is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a lopper saw head and a lopper saw, which are used for solving the problems existing in the prior art.

In a first aspect, an embodiment of the present invention provides a high branch saw head, include: the saw head comprises a saw head body, a first guide rail and a second guide rail, wherein the saw head body is provided with a first surface and a second surface which are oppositely arranged; a chain cover disposed on the first surface; the gear box cover is arranged on the second surface, and the gear box cover and the chain cover are matched to form an accommodating space for accommodating the saw head body in the accommodating space; the gear box is arranged on one side surface of the gear box cover opposite to the second surface, is connected with the gear box cover and is in transmission connection with the saw head body; the oil tank is arranged on one side surface, opposite to the second surface, of the gear box cover and is provided with a placing groove for accommodating the gear box; and the oil pump is clamped in the accommodating space and is connected with the oil tank.

In one embodiment, the saw head body comprises: one end of the guide plate is connected with the gear box cover; the saw chain is arranged on the outer edge of the guide plate.

In one embodiment, the end of the guide plate connected with the gear box cover is provided with a limit groove.

In one embodiment, the gearbox cover comprises: a case cover body;

and the connecting boss is arranged on one side surface of the box cover body, which is contacted with the second surface, and is connected with the saw head body.

In one embodiment, the case cover body is further provided with a gear hole.

In one embodiment, a gearbox includes: the gear box body is arranged on one side surface, opposite to the second surface, of the gear box cover and is connected with the gear box cover, and the gear box body is provided with a shaft hole; one end of the gear shaft is inserted into the shaft hole, and the other end of the gear shaft extends out of the shaft hole and extends to the gear hole; the transmission assembly is arranged at the other end of the gear shaft and is in transmission connection with the saw head body; the worm is sleeved at the other end of the gear shaft; the first bearing is sleeved at the other end of the gear shaft and is arranged at the joint of the shaft hole and the gear hole; and the second bearing is sleeved at one end of the gear shaft and arranged at one end, close to the oil tank, in the shaft hole.

In one embodiment, the transmission assembly comprises: and the chain wheel is arranged on the gear hole and is coaxial with the gear hole.

In one embodiment, the gear shaft includes: circular arc gear shaft.

In one embodiment, the method further comprises: the oil bat is arranged in the accommodating space and is connected with the saw head body and the transmission assembly.

In a second aspect, an embodiment of the present invention provides a pole pruning saw, which is provided with a pole pruning saw head according to any of the above embodiments.

Compared with the prior art, the beneficial effect of this application is: among the prior art, branches of tall trees saw chain adjustment mechanism, the structure is complicated, and complex operation has seriously influenced the packaging efficiency's of branches of tall trees saw problem.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a high branch saw head according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a saw head body according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a gearbox cover according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a gearbox according to an embodiment of the present disclosure.

Icon: 1-high branch saw head; 10-saw head body; 110-a guide plate; 111-hexagonal screw; 120-saw chain; 20-chain cover; 30-gearbox cover; 310-case lid body; 320-connecting boss; 330-gear hole; 40-a gearbox; 410-a gearbox body; 411-shaft hole; 420-gear shaft; 430-a transmission assembly; 440-a worm; 450-a first bearing; 460-a second bearing; 50-oil tank; 60-oil pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, which is a schematic structural diagram of a high-branch saw head 1 according to an embodiment of the present application, the high-branch saw head 1 includes: saw head body 10, chain cover 20, gear box cover 30, gear box 40, oil tank 50.

Wherein the saw head body 10 has a first surface and a second surface which are oppositely arranged.

In one embodiment, the chain cover 20 is disposed on a first surface and the gear box cover 30 is disposed on a second surface. The gear box cover 30 and the chain cover 20 cooperate to form an accommodating space in which the saw head body 10 is accommodated.

In one embodiment, the gear box 40 is disposed on a side of the gear box cover 30 opposite to the second surface, and is connected to the gear box cover 30 and is in driving connection with the saw head body 10.

In one embodiment, the oil tank 50 is disposed on a side of the gear case cover 30 opposite to the second surface, and is provided with a placement groove for accommodating the gear case 40.

Referring to fig. 2, which is a schematic structural diagram of a saw head body 10 according to an embodiment of the present disclosure, the saw head body 10 includes a guide plate 110 and a saw chain 120.

Wherein, one end of the guide plate 110 is connected with the gear box cover 30, and the saw chain 120 is arranged at the outer edge of the guide plate 110. When the machine is in operation, the saw chain 120 is driven by the gear box 40 to move clockwise or counterclockwise on the outer edge of the guide plate 110.

In one embodiment, the end of the guide plate 110 connected to the gear box cover 30 is provided with a limiting groove. The high branch saw head 1 is further provided with a hexagonal screw 111, and the hexagonal screw 111 sequentially penetrates through the chain cover 20, the saw head body 10 and the gear box cover 30 to fix the saw head body 10 between the chain cover 20 and the gear box cover 30. The guide plate 110 is fixed on the gearbox cover 30 by the hexagonal screws 111 penetrating through the limiting grooves, and the guide plate 110 is adjustable in the grooving direction of the limiting grooves by adjusting the tightness of the hexagonal screws 111, namely, the distance of the guide plate 110 away from the gearbox cover 30 is adjusted.

Please refer to fig. 3, which is a schematic structural diagram of a gearbox cover 30 according to an embodiment of the present application, wherein the gearbox cover 30 includes: a cover body 310 and a connection boss 320.

Wherein, the connection boss 320 is provided on a side surface of the case cover body 310 contacting the second surface of the saw head body 10.

In one embodiment, the guide plate 110 is coupled to the coupling boss 320. In one embodiment, the cover body 310 further has a gear hole 330.

Please refer to fig. 4, which is a schematic structural diagram of a gear box 40 according to an embodiment of the present application, wherein the gear box 40 includes: the gearbox body 410, the gear shaft 420, the drive assembly 430, the worm 440, the first bearing 450, and the second bearing 460.

The gearbox body 410 is arranged on one side surface of the gearbox cover 30 opposite to the second surface and connected with the gearbox cover 30, and the gearbox body 410 is provided with a shaft hole 411; a gear shaft 420 having one end inserted into the shaft hole 411 and the other end extended out of the shaft hole 411 to the gear hole 330; the transmission assembly 430 is arranged at the other end of the gear shaft 420 and is in transmission connection with the saw head body 10; a worm 440 sleeved on the other end of the gear shaft 420; a first bearing 450 sleeved at the other end of the gear shaft 420 and arranged at the connection position of the shaft hole 411 and the gear hole 330; and a second bearing 460 sleeved at one end of the gear shaft 420 and disposed at one end of the shaft hole 411 close to the oil tank 50.

In an embodiment, the oil pump 60 is disposed in the accommodating space and placed on the case cover body 310, one end of the oil pump 60 is connected to the oil tank 50, and the other end of the oil pump 60 is disposed toward the saw chain 120.

In one embodiment, the driving element 430 may be a sprocket. Wherein the sprocket is disposed on the gear hole 330 and is disposed coaxially with the gear hole 330.

In one embodiment, the gear shaft 420 may be a circular arc gear shaft 420.

The application also provides a pole pruning saw, which comprises a pole pruning saw head 1 and an engine. The driving end of the engine is connected with the gear shaft 420, the gear shaft 420 is driven to rotate when the engine works, the gear shaft 420 is in transmission connection with the worm 440, therefore, the gear shaft 420 drives the worm 440 to rotate, the worm 440 drives the oil pump 60 to work in the accommodating space, and the oil pump 60 pumps oil to lubricate the saw chain 120.

In one embodiment, the gear shaft 420 also drives a sprocket that drives the saw chain 120 around an edge of the guide plate 110.

In one embodiment, the high branch saw head 1 further comprises: the oil bat is arranged in the accommodating space and is connected with the saw head body 10 and the transmission assembly 430. The oil pat may prevent the saw chain 120 from being separated from the guide plate 110.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lopper saw head, comprising:

the saw head comprises a saw head body, a first connecting piece and a second connecting piece, wherein the saw head body is provided with a first surface and a second surface which are oppositely arranged;

a chain cover disposed on the first surface;

the gear box cover is arranged on the second surface, and the gear box cover and the chain cover are matched to form an accommodating space for accommodating the saw head body in the accommodating space;

the gear box is arranged on one side surface, opposite to the second surface, of the gear box cover, is connected with the gear box cover and is in transmission connection with the saw head body;

the oil tank is arranged on one side surface, opposite to the second surface, of the gear box cover and is provided with a placing groove for accommodating the gear box;

and the oil pump is clamped in the accommodating space and is connected with the oil tank.

2. The lopper head of claim 1, wherein the head body comprises:

one end of the guide plate is connected with the gear box cover;

the saw chain is arranged on the outer edge of the guide plate.

3. The lopper saw head as claimed in claim 2, wherein the guide plate is provided with a limit groove at one end connected with the gear box cover.

4. The lopper head of claim 1, wherein the gear box cover comprises:

a case cover body;

and the connecting boss is arranged on one side surface of the box cover body, which is in contact with the second surface, and is connected with the saw head body.

5. The lopper saw head of claim 4, wherein the box cover body is further provided with a gear hole.

6. The lopper head as defined in claim 5, wherein said gear box comprises:

the gear box body is arranged on one side surface, opposite to the second surface, of the gear box cover and is connected with the gear box cover, and the gear box body is provided with a shaft hole;

one end of the gear shaft is inserted into the shaft hole, and the other end of the gear shaft extends out of the shaft hole and extends to the gear hole;

the transmission assembly is arranged at the other end of the gear shaft and is in transmission connection with the saw head body;

the worm is sleeved at the other end of the gear shaft;

the first bearing is sleeved at the other end of the gear shaft and arranged at the joint of the shaft hole and the gear hole;

and the second bearing is sleeved at one end of the gear shaft and arranged at one end, close to the oil tank, of the shaft hole.

7. The lopper head of claim 6, wherein the drive assembly comprises: and the chain wheel is arranged on the gear hole and is coaxially arranged with the gear hole.

8. The pole head as claimed in claim 6, wherein the gear shaft comprises: circular arc gear shaft.

9. The lopper head of claim 6, further comprising:

the oil bat is arranged in the accommodating space and at the joint of the saw head body and the transmission assembly.

10. A pole saw provided with a pole saw head according to any one of claims 1-9.