CN216465109U

CN216465109U - Handle vibration damper for chain saw

Info

Publication number: CN216465109U
Application number: CN202122907590.4U
Authority: CN
Inventors: 黄立云
Original assignee: JIAXING SURTEC MACHINERY CO Ltd
Current assignee: Jiaxing Shantuo Machinery Co.,Ltd.
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-10
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a handle vibration damper for a chain saw, which comprises a lifting handle and a rear handle assembly, wherein the rear handle assembly is arranged behind a power main body of the chain saw, the lifting handle is arranged on the power main body of the chain saw in a surrounding manner, the front end of the lifting handle is fixed at the lower part of the front end of the power main body, and the middle part of the lifting handle is arranged above the power main body in a surrounding manner, extends backwards and is fixedly connected with the rear handle assembly; and a handle vibration damper is arranged between the handle and the power main body and between the rear handle assembly and the power main body, and a vibration damping rubber sleeve is arranged in the handle vibration damper. The utility model can effectively reduce the vibration value in the using process, greatly improves the use comfort, is suitable for the improvement of the existing machine, greatly reduces the vibration of the handle, is beneficial to the physical health of an operator and prevents occupational diseases.

Description

Handle vibration damper for chain saw

Technical Field

The utility model relates to the field of felling tools, in particular to a handle vibration damper for a chain saw.

Background

070 chain saw is a logging tool which is full of power and popular with professional forestry practitioners, is extremely high in reserve, but is easy to fatigue and cause occupational white finger disease when used by a user due to the fact that the handle vibrates greatly when the chain saw is put into the market early and health is affected. The existing equipment device lacks a corresponding structure which has simple structure and can reduce the vibration of the machine during the operation of the chain saw.

Disclosure of Invention

In order to solve the above problems, the present invention provides a handle bar vibration damping device for a chain saw.

The technical scheme of the utility model is as follows: a handle vibration damper for a chain saw comprises a lifting handle and a rear handle assembly, wherein the rear handle assembly is arranged behind a power main body of the chain saw, the lifting handle is arranged on the power main body of the chain saw in a surrounding manner, the front end of the lifting handle is fixed at the lower part of the front end of the power main body, and the middle part of the lifting handle is arranged above the power main body in a surrounding manner, extends backwards and is fixedly connected with the rear handle assembly; and a handle vibration damper is arranged between the handle and the power main body and between the rear handle assembly and the power main body, and a vibration damping rubber sleeve is arranged in the handle vibration damper.

Preferably, the carrying handle comprises an ascending section, a horizontal section, a descending section and a backward extending section, after the front end of the carrying handle is fixedly connected with the lower part of the left side of the front end of the power main body, the carrying handle is circularly ascended to the upper left of the front end of the power main body through the ascending section, extends to the upper right of the front end of the power main body through the horizontal section, descends to be lower than the top end of the power main body through the descending section and then extends backward through the backward extending section to be fixedly connected with the rear handle assembly.

Preferably, the handle vibration damper comprises a front handle vibration damper and a rear handle vibration damper, and the front handle vibration damper comprises a first front handle vibration damper and a second front handle vibration damper; the lower end of the rear handle assembly is connected with the power main body through a rear handle vibration damping device, the front end of the lifting handle is connected with the lower portion of the left side of the front end of the power main body through a first precondition vibration damping device, and the descending section of the lifting handle is fixedly connected with the upper portion of the right side of the front end of the power main body through a second precondition vibration damping device.

As a further preferable mode, the first precondition is that the vibration damping device includes a first precondition holder, a vibration damping rubber sleeve, and a first front vibration damping holder, the first precondition holder is fixed to the front end of the handle, the first front vibration damping holder is fixedly connected to the left lower end of the front end of the power main body, the vibration damping rubber sleeve is disposed between the first precondition holder and the first front vibration damping holder, and the first precondition holder holds the vibration damping rubber sleeve and then penetrates through and is fixedly connected to the first precondition holder through a fixing screw.

Preferably, the damping device comprises a bracket, a damping rubber sleeve and a second front damping bracket, the bracket is fixed on the descending section of the carrying handle, the second front damping bracket is fixedly connected with the upper right end of the front end of the power main body, the damping rubber sleeve is arranged between the bracket and the second front damping bracket, and the bracket and the second front damping bracket are clamped by the second front damping bracket and then penetrate through and are fixedly connected through a fixing screw.

As further preferred again, the second prerequisite still be provided with the hand protector on the support, this hand protector with the second prerequisite articulated the support, and realize the elastic positioning of hand protector through setting up the torsional spring, the horizontal segment of hand protector and carrying handle between be equipped with the clearance that holds the finger.

Preferably, the rear handlebar damping device comprises a rear damping support and a damping rubber sleeve, the rear damping support is fixedly connected with the rear end of the power main body, a damping rubber sleeve accommodating position for accommodating the damping rubber sleeve is arranged at the lower end of the rear handlebar assembly, the damping rubber sleeve is arranged in the damping rubber sleeve accommodating position, and the rear damping support and the rear handlebar assembly clamp the damping rubber sleeve and then penetrate through and are fixedly connected through a fixing screw.

Preferably, the damping rubber sleeve is damping rubber.

Preferably, the handle is provided with a gap with the power main body except for the front end and the descending section, no other connecting part is arranged between the handle and the power main body, the rear handle assembly is provided with a connecting position for connecting the rear end of the handle, and the handle is fixedly connected with the connecting position after extending from the front end of the power main body.

The utility model has the beneficial effects that: the utility model can reduce the original vibration value of the handle from about 100 m/A2 to 10 m/A2, greatly improves the use comfort, is suitable for the improvement of the existing machine, greatly reduces the vibration of the handle, is beneficial to the body health of an operator and prevents occupational diseases. The lifting handle is connected to the power box body through the front and rear supports, the rear vibration reduction rubber sleeve and the screws, and vibration generated during power running is absorbed by rubber in a buffering mode. The support and the power main body are connected by sharing the original screw mounting position, and the replacement is convenient and fast.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is one of the use state diagrams of the present invention.

Fig. 3 is a second usage state diagram of the present invention.

Description of reference numerals:

1: the first premise is to provide a damping device; 1-1: a first precursor holder; 1-2: a first front shock mount; 2: a rising section; 3: the second premise is to provide a damping device; 3-1: a second precursor holder; 3-2: a second front shock mount; 4: a hand protector; 5: a horizontal segment; 6: a descending section; 7: a rearward extension section; 8: a connection bit; 9: a rear handle assembly; 10: a rear handle vibration damper; 10-1: a damping rubber sleeve accommodating position; 10-2: a rear vibration damping support; 11: a vibration damping rubber sleeve; 12: a carrying handle; 13: a power body.

Detailed Description

The utility model is further explained below with reference to the drawings and examples.

As shown in fig. 1-3, the utility model comprises a handle 12 and a rear handle assembly 9, wherein the rear handle assembly 9 is arranged at the rear of a power body 13 of the chain saw, the handle 12 is arranged on the power body 13 of the chain saw in a surrounding manner, the front end of the handle 12 is fixed at the lower part of the front end of the power body 13, the middle part of the handle 12 is arranged above the power body 13 in a surrounding manner, extends backwards and is fixedly connected with the rear handle assembly 9; and a handle vibration damper is arranged between the handle 12 and the power main body 13 and between the rear handle assembly 9 and the power main body 13, and a vibration damping rubber sleeve 11 is arranged in the handle vibration damper.

In this embodiment, the handle 12 includes an ascending section 2, a horizontal section 5, a descending section 6 and a backward extending section 7, after the front end of the handle 12 is fixedly connected with the left lower side of the front end of the power main body 13, the front end of the handle is circularly ascended to the left upper side of the front end of the power main body 13 through the ascending section 2, extends to the right upper side of the front end of the power main body 13 through the horizontal section 5, and is descended to be lower than the top end of the power main body 13 through the descending section 6 and then extends backward through the backward extending section 7 to be fixedly connected with the rear handle assembly 9. The front end of the handle 12, the ascending section 2, the horizontal section 5 and the descending section 6 are used for connecting the front end of the power main body 13 and lifting the front end of the power main body 13 in use.

In the embodiment, the handle vibration damper comprises a front handle vibration damper and a rear handle vibration damper 10, wherein the front handle vibration damper comprises a first front handle vibration damper 1 and a second front handle vibration damper 3; the lower end of the rear handle assembly 9 is connected with the power main body 13 through a rear handle vibration damping device 10, the front end of the handle 12 is connected with the lower portion of the left side of the front end of the power main body 13 through a first precondition vibration damping device 1, and the descending section 6 of the handle 12 is fixedly connected with the upper portion of the right side of the front end of the power main body 13 through a second precondition vibration damping device 3.

In this embodiment, the damping device 1 of the first precondition comprises a first precondition handle bracket 1-1, a damping rubber sleeve 11 and a first preceding damping bracket 1-2, the first precondition handle bracket 1-1 is fixed at the front end of the handle 12, the first preceding damping bracket 1-2 is fixedly connected with the left lower end of the front end of the power main body 13, the damping rubber sleeve 11 is arranged between the first precondition handle bracket 1-1 and the first preceding damping bracket 1-2, and the first precondition handle bracket 1-1 and the first preceding damping bracket 1-2 clamp the damping rubber sleeve 11 and then penetrate through and are fixedly connected through a fixing screw.

In this embodiment, the damping device 3 of the second precondition comprises a second precondition handle bracket 3-1, a damping rubber sleeve 11 and a second precondition damping bracket 3-2, the second precondition handle bracket 3-1 is fixed on the descending section 6 of the handle 12, the second precondition damping bracket 3-2 is fixedly connected with the upper right end of the front end of the power main body 13, the damping rubber sleeve 11 is arranged between the second precondition handle bracket 3-1 and the second precondition damping bracket 3-2, and the second precondition handle bracket 3-1 and the second precondition damping bracket 3-2 clamp the damping rubber sleeve 11 and then penetrate through and are fixedly connected through a fixing screw.

In this embodiment, the second handle support 3-1 is further provided with a hand protector 4, the hand protector 4 is hinged to the second handle support 3-1, elastic positioning of the hand protector 4 is achieved through a torsion spring, and a gap for accommodating fingers is formed between the hand protector 4 and the horizontal section 5 of the handle 12. In the operation process, the hands of workers are the horizontal sections 5 for holding the handles 12, so the hand protectors 4 can be covered on the hands to prevent objects splashed in the working process from scratching the hands.

In this embodiment, the rear handlebar damping device 10 includes a rear damping bracket 10-2 and a damping rubber sleeve 11, the rear damping bracket 10-2 is fixedly connected to the rear end of the power main body 13, a damping rubber sleeve accommodating position 10-1 for accommodating the damping rubber sleeve 11 is provided at the lower end of the rear handlebar assembly 9, the damping rubber sleeve 11 is provided in the damping rubber sleeve accommodating position 10-1, and the damping rubber sleeve 11 is inserted and fixedly connected through a fixing screw after being clamped by the rear damping bracket 10-2 and the rear handlebar assembly 9.

In this embodiment, the damping rubber sleeve 11 is damping rubber.

In this embodiment, the handle 12 has a gap between the handle 12 and the power body 13 except for the front end and the descending section 6, no other connecting part is provided between the handle 12 and the power body 13, the rear handle assembly 9 is provided with a connecting position 8 connected with the rear end of the handle 12, and the handle 12 is fixedly connected with the connecting position 8 after extending from the front end of the power body 13.

The working principle is as follows: when the chain saw is in work, a worker holds the horizontal section of the lifting handle with one hand, holds the rear handle assembly with the other hand, and the two hands are matched to lift the power main body and control the cutting direction of the chain saw. The utility model adopts the surrounding type carrying handle 12, the vibration damping device 1, the vibration damping device 3 and the rear handle vibration damping device 10 are connected with the power main body 13 only through the first premise, and the vibration of the power main body 13 is buffered and absorbed by the vibration damping rubber sleeve 11 in the operation process. The operation force applied to the grip 12 and the rear handle assembly 9 by both hands of the worker is transmitted to the power case (i.e., the power main body 13) through the fixing screws. The fixing screw has the function of limiting the maximum deformation of rubber, and provides protection for the damping rubber sleeve 11 when the force applied by the handle is large, so that the damping rubber sleeve is prevented from being torn off. The damping rubber sleeve 11 is a structure with iron stamping parts at two ends (one end is a precondition, the other end of the bracket is a front damping bracket, or one end is a damping rubber sleeve accommodating position 10-1 on the rear handle assembly 9, and the other end is a rear damping bracket 10-2), has larger damping movement space, is firmly fixed with the power main body 13 and the bracket, and can bear larger operating force. The connection of the front or rear vibration damping support 10-2 and the power main body 13 shares the original screw mounting position, and the replacement is convenient and fast.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A handle vibration damper for a chain saw is characterized by comprising a lifting handle (12) and a rear handle assembly (9), wherein the rear handle assembly (9) is arranged behind a power main body (13) of the chain saw, the lifting handle (12) is arranged on the power main body (13) of the chain saw in a surrounding manner, the front end of the lifting handle (12) is fixed to the lower part of the front end of the power main body (13), and the middle part of the lifting handle (12) is arranged above the power main body (13) in a surrounding manner, extends backwards and is fixedly connected with the rear handle assembly (9); and a handle vibration damping device is arranged between the handle (12) and the power main body (13) and between the rear handle assembly (9) and the power main body (13), and a vibration damping rubber sleeve (11) is arranged in the handle vibration damping device.

2. The handle vibration damper for the chain saw as claimed in claim 1, wherein the handle (12) comprises an ascending section (2), a horizontal section (5), a descending section (6) and a backward extending section (7), after the front end of the handle (12) is fixedly connected with the lower left side of the front end of the power main body (13), the handle is circularly ascended to the upper left of the front end of the power main body (13) through the ascending section (2), extends to the upper right of the front end of the power main body (13) through the horizontal section (5), descends to a position lower than the top end of the power main body (13) through the descending section (6), and then extends backward through the backward extending section (7) to be fixedly connected with the rear handle assembly (9).

3. A handle vibration damper for a chain saw according to claim 2, wherein said handle vibration damper comprises a front handle vibration damper and a rear handle vibration damper (10), said front handle vibration damper including a first front handle vibration damper (1) and a second front handle vibration damper (3); the lower extreme and the power main part (13) of back handle assembly (9) between be connected through back hand (hold) damping device (10), the front end of carrying handle (12) with the left side below of power main part (13) front end is connected damping device (1) through first prerequisite, the decline section (6) of carrying handle (12) and the right side top of the front end of power main part (13) are through second prerequisite damping device (3) fixed connection.

4. A handle vibration damper for a chain saw according to claim 3, characterized in that said first handle vibration damper (1) comprises a first handle support (1-1), a vibration damping rubber sleeve (11) and a first front vibration damping support (1-2), the first premise is that the bracket (1-1) is fixed at the front end of the carrying handle (12), the first front vibration damping bracket (1-2) is fixedly connected with the left lower end of the front end of the power main body (13), the damping rubber sleeve (11) is arranged between the support (1-1) and the first front damping support (1-2) on the first premise, and the support (1-1) and the first front damping support (1-2) are clamped by the first premise, penetrate through the damping rubber sleeve (11) and are fixedly connected through the fixing screws.

5. A handle vibration damper for a chain saw according to claim 3, characterized in that said second handle vibration damper (3) comprises a second handle support (3-1), a vibration damping rubber sleeve (11) and a second front vibration damping support (3-2), the second premise is that the bracket (3-1) is fixed on the descending section (6) of the lifting handle (12), the second front vibration damping bracket (3-2) is fixedly connected with the right upper end of the front end of the power main body (13), the damping rubber sleeve (11) is arranged between the support (3-1) and the second front damping support (3-2) on the second premise, and the support (3-1) and the second front damping support (3-2) are clamped by the second premise, penetrate through the damping rubber sleeve (11) through the fixing screw and are fixedly connected.

6. The handle vibration damper for the chain saw as claimed in claim 5, wherein the second precondition handle support (3-1) is further provided with a hand protector (4), the hand protector (4) is hinged with the second precondition handle support (3-1), the hand protector (4) is elastically positioned by arranging a torsion spring, and a gap for accommodating fingers is arranged between the hand protector (4) and the horizontal section (5) of the handle (12).

7. The handlebar vibration damping device for the chain saw as claimed in claim 3, wherein the rear handlebar vibration damping device (10) comprises a rear vibration damping bracket (10-2) and a vibration damping rubber sleeve (11), the rear vibration damping bracket (10-2) is fixedly connected with the rear end of the power main body (13), a vibration damping rubber sleeve accommodating position (10-1) for accommodating the vibration damping rubber sleeve (11) is arranged at the lower end of the rear handlebar assembly (9), the vibration damping rubber sleeve (11) is arranged in the vibration damping rubber sleeve accommodating position (10-1), and the rear vibration damping rubber sleeve (11) is clamped by the rear vibration damping bracket (10-2) and the rear handlebar assembly (9) and then penetrates through and is fixedly connected through a fixing screw.

8. A handle vibration damper for a chain saw as claimed in claim 1, characterized in that said vibration damping rubber sleeve (11) is a vibration damping rubber.

9. The handle vibration damper for the chain saw as claimed in claim 2, wherein the handle (12) is spaced apart from the power body (13) except for the front end and the descending portion (6), no other connecting portion is provided between the handle (12) and the power body (13), the rear handle assembly (9) is provided with a connecting portion (8) for connecting the rear end of the handle (12), and the handle (12) is extended from the front end of the power body (13) and fixedly connected to the connecting portion (8).