WO2011060602A1

WO2011060602A1 - Rod chain saw and double-electrical source switch device for rod chain saw

Info

Publication number: WO2011060602A1
Application number: PCT/CN2010/000169
Authority: WO
Inventors: 田剑波; 苌欢; 王国辉
Original assignee: 常州格力博工具技术研发有限公司
Priority date: 2009-11-19
Filing date: 2010-02-08
Publication date: 2011-05-26
Also published as: CN101702534B; CN101702534A

Abstract

A rod chain saw comprises a rod (1) and a chain saw (2). A two-wire switch (4), a chain saw main switch (5), a motor (6), and a chain saw power plug (7) are arranged in a chain saw shell (3). The rod (1) is provided with a microswitch (8), a rod main switch (9), and a rod power plug (10). The chain saw power plug (7) and the rod power plug (10) are in electrical connection with the motor (6) through the two-wire switch (4). The electrical connection of the chain saw power plug (7) and the motor (6) or the electrical connection of the rod power plug (10) and the motor (6) can be selected through the two-wire switch (4). The joint of the chain saw and the rod is ensured non-voltage in the case of using the chain saw. When the rod and the chain saw are combined for using, the chain saw power plug is ensured non-voltage so as to protect the operator from being damaged.

Description

Rod chain saw and dual power switching device for rod chain saw

The present invention relates to a bar chain saw, and more particularly to a dual power switching device for a bar chain saw. Background technique

In the prior art, the rod chain saw is fixed by directly connecting the rod to the main handle of the chain saw, and then the chain saw is externally connected to the power source. After the power is applied, the rod is cut by the rod, and the multi-chain saw cannot be adjusted with high level, and the rod is adjusted. The disassembly and assembly of the chain saw is very inconvenient, resulting in inefficiency of the operator; in addition, the rod and the chain saw are integrated, which makes the cutting of the lower branches difficult, the operator is troublesome, and since the chain saw adopts the anti-self-locking switch, the rod When integrated with the chain saw, it is very cumbersome to set the anti-self-locking switch on the lever handle, which consumes a lot of material.

Moreover, when the rod and the chain saw are electrically connected by plugging and unplugging, if the rod is not used, the connection is charged, which is easy to cause injury to the operator; and if the chain saw power switch is exposed, when the operator turns on the rod The power plug, the operator is in contact with the power switch of the chain saw, which can easily cause harm to the operator. Summary of the invention

In order to overcome the above drawbacks, the technical problem to be solved by the present invention is to provide a pole saw with a dual power supply switching device that is detachable and easy to use.

The technical solution adopted by the invention is: a dual power switching device for a chain saw, comprising a double switch, a chain saw main switch, a motor and a chain saw power plug, and a pole arranged on the chain saw housing The utility model is provided with a micro switch, a main switch and a power plug of a rod, wherein the power plug of the chain saw and the power plug of the rod are connected to the motor through the double switch, and the power plug of the chain saw is electrically connected or selected by the double switch. The power plug is electrically connected to the motor. According to still another embodiment of the present invention, a dual power switching device for a chain saw further includes the double switch having a normally open contact and a normally closed contact, the chain saw power plug and the motor passing through the normally open contact Connected, the rod power plug and the motor are connected by a normally closed contact.

In accordance with another embodiment of the present invention, a dual power switching apparatus for a chain saw further includes the rod and the chain saw being electrically connected by a plug, a socket.

In accordance with another embodiment of the present invention, a dual power switching apparatus for a chain saw further includes the plug being located within a chain saw housing, the socket being located at a rod end, the plug being electrically coupled to the normally closed contact.

In accordance with another embodiment of the present invention, a dual power switching apparatus for a chain saw further includes a chain saw main switch in series with the chain saw power plug and the duplex switch.

In accordance with another embodiment of the present invention, a dual power switching apparatus for a chain saw further includes circuitry in which the microswitch is coupled in series with the pole power plug and the duplex switch.

In accordance with another embodiment of the present invention, a dual power switching apparatus for a chain saw further includes the rod and chain saw as a plug-in structure.

Another technical solution of the present invention is: a pole chain saw comprising a cymbal and a chain saw, wherein the chain saw housing is provided with a double switch, a chain saw main switch, a motor and a chain saw power plug, and the pole is provided with a micro The power switch, the pole main switch and the pole power plug, the chain saw power plug and the pole power plug are electrically connected to the motor motor through the double switch.

According to still another embodiment of the present invention, the chain saw further includes the double switch having a normally open contact and a normally closed contact, the chain saw power plug being connected to the motor through a normally open contact, the lever power plug Connected to the motor via a normally closed contact.

According to another embodiment of the present invention, the chain saw further includes the rod and the chain saw The plug and the socket are electrically connected.

The invention has the beneficial effects that: according to the invention, in the case of using a chain saw, no voltage is ensured at the connection between the chain saw and the rod; and when the rod is used in combination with the chain saw, the power supply of the chain saw is guaranteed to be voltage-free. Avoid damage to the operation.

DRAWINGS

The invention will now be further described with reference to the drawings and embodiments.

Figure 1 is a schematic view showing the structure of a preferred embodiment of the present invention;

Figure 2 is a schematic structural view of parts of the present invention;

Figure 3 is a schematic circuit diagram of the present invention;

In the figure: 1, rod, 2, chain saw, 3, housing, 4, double switch, 5, chain saw main switch, 6, motor, 7, chain saw power plug, 8, micro switch, 9, rod Main switch, 1 0, lever power plug, 1 1, plug, 12, socket, 41, normally open contact, 42, normally closed contact.

detailed description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic diagrams, and only the basic structure of the present invention is illustrated in a schematic manner, and thus only the configurations related to the present invention are shown.

As shown in Fig. 1-2, a rod chain saw includes a rod 1 and a chain saw 2, and the chain saw housing 3 is provided with a double switch 4, a chain saw main switch 5, a motor 6 and a chain saw power plug 7 The rod 1 is provided with a micro switch 8, a rod main switch 9 and a rod power plug 10, and the chain saw power plug 7 and the rod power plug 10 are electrically connected to the motor 6 through the 2 again switch 4, through the double The switch 4 selects the chain saw power plug 7 to be electrically connected to the motor 6 or to select the rod power plug 10 to be connected to the motor point. The chain saw power plug 7 and the double switch 4 are connected in series with a chain saw main switch 5, and the micro switch 8 and the rod main switch 9 are connected in series to the circuit of the rod power plug 7 and the double switch 4. The preferred double switch 4 of the present invention has a normally open contact 4 1 and a normally closed contact 42. The chain saw power plug 7 and the motor 6 are connected by a normally open contact 41, and the rod power plug 10 is connected to the motor 6 via a normally closed contact 42.

Wherein, the present invention 1 and the chain saw 2 are electrically connected through the plug 1 1 and the socket 12 , and the plug 11 is electrically connected to the normally closed contact 42 , and the rod 1 and the chain saw 2 can be quickly disassembled and assembled in the above manner. , save operator time. In the present invention, the plug 1 1 is located in the housing 3 of the chain saw 2, and the insertion sleeve 12 is located at the end of the rod 1, and the end sleeve 12 of the rod 1 is positioned by the housing 3, so that the plug 1 1 can be timely and accurately It is electrically connected to the socket 12. Therefore, in the present invention, it is preferred that the rod 1 and the chain saw 2 are of a plug-in type.

The operation of the present invention is as follows:

When the chain saw 2 is used alone, the power source is connected to the chain saw power plug 7, and then the chain saw main switch 5 and the double switch 4 are pressed, and when the double switch 4 is pressed, the normally open contact 41 is connected to the motor 6, and further The power source is electrically connected to the motor 6, thereby supplying power to the motor 6, the motor 6 is running, and the chain saw 2 cutting the branches.

When the rod 1 and the chain saw 2 are used together, the rod 1 is first inserted into the casing 3 of the chain saw 2, thereby ensuring that the plug 11 is electrically connected to the socket 12, since the double switch 4 is in the state of the normally closed contact 42, and The plug 11 is electrically connected to the normally closed contact 42 , and the motor 6 is electrically connected to the plug 11 through the normally closed contact 42 , thereby connecting the power source to the pole power plug 10 , and finally by pressing the lever main switch 9 and the micro switch 8 , the motor 6 is supplied with electric power, the motor 6 is operated, and the rod saw cuts the high branches.

In the present invention, the rod 1 may be a telescopic tube or a common rod.

In view of the above-described embodiments of the present invention, various modifications and changes can be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and the technical scope thereof must be determined in accordance with the claims.

Claims

WO 2011/060602 Rights to S PCT/CN2010/000169 5

1. A dual power switching device for a chain saw, comprising a double switch arranged on a chain saw housing, a chain saw main switch, a motor and a chain saw power plug, and a micro switch on the rod; The main switch and the power plug of the rod are characterized in that: the power plug of the chain saw and the power plug of the pole are electrically connected to the motor through the double switch, and the power plug of the chain saw is electrically connected to the motor through the double switch or the power plug of the lever is selected The motor is electrically connected.

2. The dual power switching device for a chain saw according to claim 1, wherein: the double switch has a normally open contact and a normally closed contact, and the chain saw power plug and the motor pass frequently The open contact is connected, and the rod power plug is connected to the motor through a normally closed contact.

3. The dual power switching device for a chain saw according to claim 1 or 2, wherein the rod and the chain saw are electrically connected by a plug and a socket.

4. The dual power switching device for a chain saw according to claim 3, wherein: said plug is located in a chain saw housing, said socket is located at a rod end, said plug and said normally closed contact Electrical connection.

The dual power supply switching device for a chain saw according to claim 1, wherein: the chain saw power plug and the double switch are connected in series with a chain saw main switch.

6. The dual power switching apparatus for a chain saw according to claim 1, wherein: the micro switch is connected in series to the circuit of the rod power plug and the double switch.

7. The dual power switching apparatus for a chain saw according to claim 1, wherein: said lever and the chain saw are of a plug-in type.

8. A rod chain saw, comprising a rod and a chain saw, wherein the chain saw housing is provided with a double switch, a chain saw main switch, a motor and a chain saw power plug, and the rod is provided with a micro switch and a rod main switch. And a power plug of the pole, wherein: the chain saw power plug and the pole power plug are electrically connected to the motor through the double switch, and the double-connector selects the chain saw power plug to electrically connect with the motor or selects the rod power plug to electrically connect with the motor .

9. The chain saw according to claim 8, wherein: the double switch has a normally open contact and a normally closed contact, and the chain saw power plug is connected to the motor through a normally open contact, The rod power plug is connected to the motor via a normally closed contact.

10. The chain saw according to claim 8, wherein: the rod and the chain saw are electrically connected by a plug and a socket.