CN211362623U

CN211362623U - Adjustable chain saw

Info

Publication number: CN211362623U
Application number: CN201921247989.0U
Authority: CN
Inventors: 沈焕军
Original assignee: Ningbo Aosheng Machine Co ltd
Current assignee: Ningbo Aosheng Machine Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-08-28
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to an adjustable chain saw, include casing, motor, saw chain, baffle, gear box and install the adjusting part in the casing, the adjusting part includes rotary rod, regulation pole, locating plate, drive gear and locating lever, its characterized in that: the mounting groove that supplies adjusting rod and locating lever installation is seted up to the lateral wall of casing, be provided with in the mounting groove and place the board, place and set up the joint opening that supplies adjusting rod card to go into on the board, the locating plate lid fits mounting groove's lateral wall. The utility model discloses have and to adjust the tensioning degree between the saw chain on the chain saw and the baffle, promoted the life's of chain saw effect.

Description

Adjustable chain saw

Technical Field

The utility model belongs to the technical field of the technique of chain saw and specifically relates to an adjustable chain saw is related to.

Background

At present, a chain saw is a garden electric tool and is widely applied to the fields of families, gardens and the like.

The existing chain saw generally comprises a shell, a motor, the chain saw, a gear box, a transmission mechanism and an oil supply system, wherein the transmission mechanism and the oil supply system are installed in the gear box, the oil supply system comprises an oil can, an oil pump, an oil inlet pipe and an oil outlet pipe, a transmission assembly is arranged in the gear box and comprises a driving wheel and a driven wheel, an eccentric wheel is arranged at the top of the driven wheel, the end part of a plunger is abutted against the eccentric wheel, and an elastic reset piece is arranged between the plunger and an oil pump. The saw chain on the chain saw is fixedly installed with the shell, when the tightness of the chain saw changes in the using process, the saw chain is easy to loosen from the guide plate, the chain saw cannot be normally used, and the service life of the chain saw is affected.

In order to solve the technical problems, the chinese invention with the grant publication number CN103009438A discloses a chain saw, which comprises a housing, a saw chain, a chain wheel, a guide plate matched with the chain wheel for supporting and guiding the saw chain, a cover plate matched with the housing for clamping the guide plate to prevent the guide plate from shaking in the vertical direction, and a chain wheel tensioning mechanism, wherein the chain wheel tensioning mechanism is integrally and movably arranged in the housing, so that the position states of the saw chain, the guide plate, the tensioning nut, the chain wheel and other parts can be observed in the whole assembly process, the positioning is accurate, and the operation is simple and fast. The chain wheel tensioning mechanism comprises a tensioning nut, a transmission part and a tensioning hand wheel, and an included angle between an input shaft and an output shaft of the transmission part is larger than 0 degree and smaller than 180 degrees.

However, when the output shaft or the second transmission member in the tensioning mechanism disclosed by the invention is damaged, the output shaft and the second transmission member need to be maintained after the whole case is disassembled, so that the maintenance is troublesome and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable chain saw has and has made things convenient for the maintenance to adjusting the pole, has reduced cost of maintenance's effect.

Through adopting above-mentioned technique the utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a chain saw with adjustable, includes casing, motor, saw chain, baffle, gear box and installs the adjusting part in the casing, adjusting part includes rotary rod, regulation pole, locating plate, drive gear and locating lever, the mounting groove who supplies adjusting rod and locating lever installation is seted up to the lateral wall of casing, be provided with in the mounting groove and place the board, place and set up the joint opening that supplies adjusting rod card to go into on the board, the locating plate lid fits the lateral wall of mounting groove.

Through adopting the above technical scheme, set up the mounting groove who supplies adjusting lever and locating lever installation at the lateral wall of casing, adjust the pole and install in mounting groove, and it is spacing to place the board through being located mounting groove, the installation and the location of adjusting the pole have been made things convenient for, when adjusting the pole and taking place wearing and tearing and lead to can't adjusting the tensioning degree of chain saw, can open the locating plate, adjust the pole that lies in mounting groove and maintain, thereby the maintenance and the repair of adjusting the pole have been made things convenient for, the cost of maintenance to chain saw has been reduced, the performance of enterprises has been promoted to a certain extent.

The utility model discloses further set up to: the lateral wall of casing is provided with the setting element that is used for fixing a position the rotary rod, the setting element has a mounting panel and the gag lever post of symmetry installation in the mounting panel both sides, the rotary rod is installed between two adjacent gag lever posts.

By adopting the technical scheme, the rotary rod can be positioned through the positioning piece, so that the rotary rod can move more stably in the rotating process, the probability of sliding teeth between the first helical gear positioned at the bottom of the rotary rod and the second helical gear on the adjusting rod is reduced, the impulse efficiency between the first helical gear and the second helical gear is ensured, and the rotary rod adjusting device is simple in structure and convenient to install.

The utility model discloses further set up to: the setting element is provided with a plurality ofly along the length direction interval of rotating lever.

Through adopting above-mentioned technical scheme, further promoted the location effect of rotating member to the rotary rod for the motion of rotary rod is more stable.

The utility model discloses further set up to: and a limiting plate for positioning the adjusting rod is arranged at the back of the positioning plate.

Through adopting above-mentioned technical scheme for adjust the pole and can fix a position through the locating plate, simple structure, simple to operate.

The utility model discloses further set up to: the adjusting rod is far away from the shell and is kept away from one side of the shell, which is far away from the shell, of the shell, and a rotary through groove is radially formed in the side, which is far away from the shell, of the limiting plate, and an adjusting groove for exposing the rotary through groove part is formed in the limiting plate.

Through adopting above-mentioned technical scheme, when the rotary rod breaks down and can't normally adjust, can directly use screwdriver or other instruments to insert rotatory logical inslot and realize the regulation to adjusting the pole, made things convenient for the regulation of adjusting the pole, and further promoted the life of chain saw.

The utility model discloses further set up to: a handle is arranged at the top of the rotating rod, and friction convex teeth are arranged on the outer side of the handle.

Through adopting above-mentioned technical scheme, made things convenient for the rotation to the rotary rod.

The utility model discloses further set up to: the side wall of the shell is horizontally provided with a rotating hole for exposing the handle part.

Through adopting above-mentioned technical scheme, when needs adjust the elasticity of chain saw, the direct handle that rotates to be located the casing lateral wall can accomplish the adjustment to the tensioning degree of chain saw, and during the installation, only need peg graft the casing level in the adjustment assembly outside can accomplish the installation for it is more convenient to install.

To sum up, the utility model discloses a beneficial technological effect does:

1. the adjustable chain saw is provided with the mounting groove, so that the adjustment rod can be conveniently maintained, and the maintenance cost is reduced;

2. the utility model has the advantages that the handle is arranged, so that the rotating rod can rotate conveniently;

3. above-mentioned utility model through setting up rotatory logical groove, have and can directly rotate through screwdriver pairing rotation logical groove when the handle damages and can accomplish the regulation to the tensioning degree of chain saw, promoted the application scope's of chain saw effect to a certain extent.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic diagram of the local explosion structure of the present invention.

Fig. 5 is a schematic diagram of the explosion structure of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

In the figure, 1, a housing; 11. installing a groove; 12. placing the plate; 121. clamping the opening; 13. a positioning member; 131. mounting a plate; 132. a limiting rod; 14. rotating the hole; 2. a motor; 3. a saw chain; 4. a guide plate; 41. a clamping hole; 5. a gear case; 6. an adjustment assembly; 61. rotating the rod; 611. a handle; 612. friction convex teeth; 613. positioning a plane; 62. adjusting a rod; 621. rotating the through groove; 63. positioning a plate; 631. a guide chute; 632. a limiting plate; 633. adjusting the groove; 64. a transmission gear; 641. a first helical gear; 642. a second helical gear; 643. a locking plane; 65. positioning a rod; 651. and adjusting the hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, an adjustable chain saw, a chain saw convenient to install, includes a housing 1, a motor 2, a saw chain 3, a guide plate 4, a gear box 5, and an adjustment assembly 6 installed in the housing 1.

Referring to fig. 2 and 3, the adjusting assembly 6 includes a rotating rod 61, an adjusting rod 62, a positioning plate 63, a transmission gear 64, and a positioning rod 65. The side wall of the guide plate 4 is horizontally provided with a clamping hole 41.

The side wall of the housing 1 is provided with a positioning member 13 for positioning the rotating rod 61, the positioning member 13 has a mounting plate 131 and limiting rods 132 symmetrically mounted on two sides of the mounting plate 131, and the rotating rod 61 is mounted between two adjacent limiting rods 132. In this embodiment, the limiting rods 132 are screws symmetrically disposed on two sides of the mounting plate 131, and the screws are connected to the housing 1 through threads. A plurality of positioning members 13 are provided at intervals along the length direction of the rotating rod 61. The side wall of the shell 1 is horizontally provided with a rotary hole 14.

Referring to fig. 5 and fig. 6, a mounting groove 11 for mounting the adjusting rod 62 and the positioning rod 65 is formed in the side wall of the housing 1, a placing plate 12 is arranged in the mounting groove 11, the placing plate 12 is perpendicular to the side wall of the mounting groove 11, a clamping opening 121 for clamping the adjusting rod 62 is formed in the placing plate 12, and the positioning plate 63 covers the side wall of the mounting groove 11.

Referring to fig. 2 and 4, a handle 611 is provided on the top of the rotating rod 61, and a friction protrusion 612 is provided on the outer side of the handle 611. The rotating rod 61 is rotatably installed at a sidewall of the housing 1, and the handle 611 at the top of the rotating rod 61 is partially exposed out of the rotating hole 14.

Referring to fig. 4, the transmission gear 64 includes a first bevel gear 641 installed at the bottom of the rotating rod 61 and a second bevel gear 642 installed at the side wall of the adjusting rod 62, and the first bevel gear 641 and the second bevel gear 642 are engaged. In this embodiment, the rotating rod 61 and the adjusting rod 62 are provided with two positioning planes 613 parallel to each other and symmetrically arranged on two sides of the axis on one side facing the first bevel gear 641 and the second bevel gear 642, and the first bevel gear 641 and the second bevel gear 642 are provided with locking planes 643 attached to the positioning planes 613, so as to realize circumferential positioning therebetween.

Referring to fig. 2 and 6, the positioning plate 63 is fixedly mounted on the sidewall of the housing 1, and a guiding sliding groove 631 is formed on the positioning plate 63. The back of the positioning plate 63 is provided with a limiting plate 632 for positioning the adjusting rod 62. The locating lever 65 slides and installs in guide chute 631, sets up the regulation hole 651 that supplies adjusting rod 62 to pass on the locating lever 65, and threaded connection between regulation hole 651 and the regulation pole 62, the horizontal joint of locating lever 65 realizes the axial positioning between locating lever 65 and the baffle 4 in the joint hole 41 on the baffle 4.

Referring to fig. 4 and 6, a rotating through groove 621 is radially formed on one side of the adjusting lever 62 away from the second bevel gear 642, and an adjusting groove 633 for partially exposing the rotating through groove 621 is formed on the limiting plate 632.

The use principle of the embodiment is as follows: when the saw chain tensioning device is used, the rotating rod 61 rotates, the first bevel gear 641 at the bottom of the rotating rod 61 rotates along with the rotating rod 61 synchronously, so that the second bevel gear 642 meshed with the first bevel gear 641 is driven to rotate, the adjusting rod 62 and the second bevel gear 642 are driven to rotate synchronously, the positioning rod 65 which is installed on the adjusting rod 62 in a threaded mode horizontally slides on the adjusting rod 62, the guide plate 4 is driven to slide, the effect of adjusting the tensioning degree between the saw chain 3 and the guide plate 4 on the chain saw is achieved, the probability that the saw chain 3 is loosened from the guide plate 4 in the using process is reduced, and after the saw chain 3 deforms and extends after long-time work, the saw chain 3 can continue to be normally used for a period of time by adjusting the position of the guide plate 4, and the service life of the chain saw is prolonged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an adjustable chain saw, includes casing (1), motor (2), saw chain (3), baffle (4), gear box (5) and installs adjusting part (6) in casing (1), adjusting part (6) include rotary rod (61), adjust pole (62), locating plate (63), drive gear (64) and locating lever (65), its characterized in that: the utility model discloses a clamping device, including casing (1), locating lever (62), locating lever (65), place board (12) and set up joint opening (121) that supply adjusting lever (62) card to go into, locating plate (63) lid fits the lateral wall of mounting groove (11).

2. An adjustable chain saw as in claim 1 wherein: the lateral wall of casing (1) is provided with setting element (13) that are used for fixing a position rotary rod (61), setting element (13) have a mounting panel (131) and symmetry install in gag lever post (132) of mounting panel (131) both sides, rotary rod (61) are installed between two adjacent gag lever posts (132).

3. An adjustable chain saw as in claim 2 wherein: the positioning pieces (13) are arranged in a plurality at intervals along the length direction of the rotating rod (61).

4. An adjustable chain saw as in claim 3 wherein: and a limiting plate (632) for positioning the adjusting rod (62) is arranged at the back of the positioning plate (63).

5. An adjustable chain saw as in claim 4 wherein: one side of the adjusting rod (62) far away from the shell (1) is radially provided with a rotary through groove (621), and the limiting plate (632) is provided with an adjusting groove (633) for partially exposing the rotary through groove (621).

6. An adjustable chain saw as in claim 1 wherein: the top of the rotating rod (61) is provided with a handle (611), and the outer side of the handle (611) is provided with a friction convex tooth (612).

7. An adjustable chain saw as in claim 6 wherein: the side wall of the shell (1) is horizontally provided with a rotating hole (14) for exposing the handle (611).