CN2543645Y - Reciprocative electric tool - Google Patents
Reciprocative electric tool Download PDFInfo
- Publication number
- CN2543645Y CN2543645Y CN 02221059 CN02221059U CN2543645Y CN 2543645 Y CN2543645 Y CN 2543645Y CN 02221059 CN02221059 CN 02221059 CN 02221059 U CN02221059 U CN 02221059U CN 2543645 Y CN2543645 Y CN 2543645Y
- Authority
- CN
- China
- Prior art keywords
- rod subassembly
- reciprocating rod
- operation element
- nail body
- locking position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a reciprocative electric tool, comprising a shell, a reciprocative bar body and a working element clipping device. The working element includes a driving component and a fastening component; the driving component comprises a rotary casing and a slip plate; the inner wall of the rotary casing is excavated with whorl trough, and the guide protruded plate at the external side of the slip plate is inserted into the whorl trough; the inner side of the slip plate is provided with an inclined guide face which is matched with the inclined guide face at the external end of the pressing screw body; the whorl trough is matched with the guide protruded plate, thus, when the rotary casing is rotating, the guide protruded plate is driven to move axially to get loose; and the slip plate impels the pressing screw body to move radially; therefore, the operation of rotary casing is labor saving, and the rotary casing can turn at a larger angle.
Description
Technical field
The utility model relates to a kind of reciprocating electric tools with operation element clamp mechanism.
Background technology
In the prior art, US6209208 discloses a kind of clamp mechanism, it is to utilize an exterior cam surface and an interior cam surface to form driven unit, latch assembly comprises that an outside driven pulley surface is suitable for exterior cam surface, and an inner driven pulley surface is suitable for exterior cam surface, when making driven unit rotate, latch assembly can move radially and lock saw blade.This clamp mechanism is owing to be that interior cam surface directly presses exterior cam surface and moves radially, therefore drive at driven unit and require great effort when latch assembly moves radially, most of parts of this clamp mechanism all are cutting members, make that the rigging error of parts is big, and the difficulty of processing of this cam is quite big.
Summary of the invention
When the purpose of this utility model was to provide a kind of driven unit driving latch assembly to move, driven unit rotated the labour-saving reciprocating electric tools.
The technical solution of the utility model is: a kind of reciprocating electric tools comprises
A housing;
A reciprocating rod subassembly, it moves reciprocatingly in described housing, and described reciprocating rod subassembly has an end that is used to receive operation element;
An operation element clamping device, it is arranged on the described reciprocating rod subassembly; Described operation element clamping device comprises
A driven unit is arranged at the described end of described reciprocating rod subassembly, and this driven unit has a locking position and a unlocking position, and driven unit can move between locking position and unlocking position with respect to described reciprocating rod subassembly;
A latch assembly, it has two operating positions, one is that operation element is locked to locking position on the described reciprocating rod subassembly, and one is the unlocking position that discharges described operation element, and described latch assembly moves between two operating positions; Described driven unit is when locking position moves to unlocking position, and latch assembly moves to unlocking position from locking position; Described driven unit is when unlocking position moves to locking position, and latch assembly moves to locking position from unlocking position;
Described driven unit comprises that at least an energy makes axially movable slide block with respect to turning set, an energy that reciprocating rod subassembly rotates with respect to reciprocating rod subassembly, the inwall of described turning set has thread groove, the outside of described slide block is provided with guiding projection, guiding projection is inserted in the thread groove, and the inboard of slide block is provided with guiding surface or curved guiding surface;
Latch assembly comprises the pressure nail body that an energy moves radially with respect to the reciprocating rod subassembly work at least, the outer end of described pressure nail body is provided with guiding surface or curved guiding surface, and the guiding surface of described slide block or curved guiding surface contact with the guiding surface or the curved guiding surface of pressure nail body.
The utility model compared with prior art has following advantage:
By cooperating of thread groove and guiding projection, make that driving guiding projection when turning set rotates moves axially easily, slide block drives again presses the nail body to move radially, and it is laborsaving therefore to operate turning set, and turning set can the rotation of wide-angle ground.
Description of drawings
Accompanying drawing 1 is the main cutaway view (under the state that saw blade has ejected) of operation element clamping device embodiment one;
Accompanying drawing 2 is the main cutaway view (under the state that saw blade is locked) of operation element clamping device embodiment one;
Accompanying drawing 3 is the front view of operation element clamping device;
Accompanying drawing 4 is the D-D direction cutaway view (under the state that saw blade has ejected) of accompanying drawing 3;
Accompanying drawing 5 is the D-D direction cutaway view (under the state that saw blade is locked) of accompanying drawing 3;
Accompanying drawing 6 is the left view of operation element clamping device (under the state that saw blade has ejected);
Accompanying drawing 7 is the A-A direction cutaway view (under the state that saw blade is locked) of accompanying drawing 3;
Accompanying drawing 8 is the A-A direction cutaway view (under the state that saw blade has been ejected) of accompanying drawing 3;
Accompanying drawing 9 is the main cutaway view (under the state that saw blade has ejected) of operation element clamping device embodiment two;
Accompanying drawing 10 is the main cutaway view (under the state that saw blade is locked) of operation element clamping device embodiment two;
Accompanying drawing 11 is the D-D direction cutaway view (under the state that saw blade has ejected) of operation element clamping device embodiment two;
Accompanying drawing 13 is each parts explosive view of operation element clamping device;
Accompanying drawing 14 is an outside drawing of the present utility model; Wherein:
[1], trim ring; [2], packing ring; [3], interior cover; [4], overcoat; [5], thread groove; [6], fork body sleeve; [7], first torsion spring; [8], pressure spring slot; [9], stage clip; [10], stage clip interstage sleeve; [11], reciprocating rod subassembly; [12], push pedal; [13], press nail; [14], operation element; [15], drive the wing; [16], slot; [17], second torsion spring; [18], slide block; [19], inclined-plane; [20], fork body; [21], guiding projection; [22], press the nail body; [23], elastic cylindrical pin; [24], slide block chute;
The specific embodiment
The utility model is a reciprocating electric tools, and referring to accompanying drawing 14, it comprises
A housing;
A reciprocating rod subassembly [11], it moves reciprocatingly in described housing, and described reciprocating rod subassembly [11] has an end that is used to receive operation element [14];
An operation element clamping device, it is arranged on the described reciprocating rod subassembly [11]; Described operation element clamping device comprises
A driven unit is arranged at the described end of described reciprocating rod subassembly, this driven unit has a locking position (referring to accompanying drawing 5 and accompanying drawing 12) and a unlocking position (referring to accompanying drawing 4 and accompanying drawing 11), and driven unit can move between locking position and unlocking position with respect to described reciprocating rod subassembly [11];
A latch assembly, it has two operating positions, one is that operation element [14] is locked to locking position (referring to accompanying drawing 5 and accompanying drawing 12) on the described reciprocating rod subassembly [11], one is the unlocking position (referring to accompanying drawing 4 and accompanying drawing 11) that discharges described operation element [14], and described latch assembly moves between two operating positions; Described driven unit is when locking position moves to unlocking position, and latch assembly moves to unlocking position from locking position; Described driven unit is when unlocking position moves to locking position, and latch assembly moves to locking position from unlocking position;
Described driven unit comprises that at least an energy makes axially movable slide block [18] with respect to turning set, an energy that reciprocating rod subassembly [11] rotates with respect to reciprocating rod subassembly [11], the inwall of described turning set has thread groove [5], the outside of described slide block [18] is provided with guiding projection [21], guiding projection [21] is inserted in the thread groove [5], and the inboard of slide block [18] is provided with guiding surface [19] or curved guiding surface; Described fairlead is formed by fixedly connecting by overcoat [4] and interior cover [3].
Latch assembly comprises the pressure nail body [22] that an energy moves radially with respect to reciprocating rod subassembly [11] work at least, the outer end of described pressure nail body [22] is provided with guiding surface [19] or curved guiding surface, the guiding surface [19] of described slide block [18] or curved guiding surface contact with the guiding surface [19] or the curved guiding surface of pressure nail body [22], make slide block [18] when moving axially, press nail body [22] to move radially.
Be respectively arranged with the both ends of second torsion spring [17] between described pressure nail body [22] and the reciprocating rod subassembly [11], this second torsion spring [17] makes presses nail body [22] to have the trend that moves to unlocking position from locking position.
Be with first torsion spring [7] on the described reciprocating rod subassembly [11], an end of this first torsion spring [7] is connected on the reciprocating rod subassembly [11], and the other end is connected in turning set, and the other end shown in the accompanying drawing 4 is connected on the overcoat [4] as turning set.
The outer surface of described turning set is provided with the driving wing [15] that radially extends, and rotates this driving wing [15] and can drive the turning set rotation.
Referring to accompanying drawing 12, have axially extended slide block chute [24] on the described reciprocating rod subassembly [11], described slide block [18] is positioned at this slide block chute [24], makes slide block [18] to move axially.Specifically, an end of described reciprocating rod subassembly [11] is with fork body sleeve [6] for fork body [20] on the fork body [20], is connected to one by elastic cylindrical pin [23] between this fork body sleeve [6] and the fork body [20].Described slide block chute [24] is positioned on the fork body sleeve [6]
The end that being used to of described reciprocating rod subassembly [11] accepted operation element [14] is provided with the slot [16] that is used to hold operation element [14]; Described reciprocating rod subassembly [11] radially have a pin body hole (being on the fork body [20] of the end of reciprocating rod subassembly [11], to have pin body hole among the embodiment one), be inserted with in this pin body hole and press nail body [22], press nail body [22] to move radially with respect to fork body [20], pressing nail body [22] when being in locking position, the inner end of described pressure nail body [22] is positioned at described slot [16], in the accompanying drawing 4, press the pressure nail [13] of inner end for radially diminishing of nail body [22], under locking position, press nail [13] to be inserted in the jack of operation element [14] and make operation element be fixed.
The end that being used to of described reciprocating rod subassembly [11] accepted operation element [14] is provided with the slot [16] that is used to hold operation element [14], being inserted with in this slot [16] can axially movable push pedal [12], pressing nail body [22] when being in unlocking position, push pedal [12] is stretched between the cell wall of the inner end of pressing nail body [22] and slot [16], as shown in Figure 4.Pressing nail body [22] when being in locking position, the outer end of described push pedal [12] is against the inner end of operation element [14], as shown in Figure 5.
Be provided with stage clip [9] between described push pedal [12] and the reciprocating rod subassembly [11], this stage clip [9] has the trend that push pedal of making [12] is moved to operation element [14] direction.
In the embodiment shown in the accompanying drawing 4 one, because first torsion spring [7] acts on the overcoat [4] in the turning set, therefore thread groove [5] makes the guiding projection [21] on the slide block [18] have the trend that moves right, slide block [18] is followed closely the downward active force of body [22] for pressure greater than second torsion spring [17] to the upwards active force of pressing nail body [22], but, therefore press nail [13] not move up because push pedal [12] is inserted in the slot [16] and is positioned at the top of pressing nail [13].When if operation element [14] (generally being saw blade) insertion slot [16] is interior as shown in Figure 5, operation element [14] inwardly pushes push pedal [12], then press nail [13] behind the locating hole that runs into operation element [14], to move up, make operation element [14] be positioned, this moment, slide block [18] and turning set also moved to locking position from the unlocking position shown in the accompanying drawing 4.When the stressed rotation of turning set, can make turning set and slide block [18] move left to the position shown in the accompanying drawing 4 (turning to unlocking position) by locking position by the position shown in the accompanying drawing 5, the upward pressure of then pressing nail body [22] to be subjected to disappears, second torsion spring [17] makes to the downward active force of pressing nail body [22] presses nail [13] to move down, then operation element [14] is subjected to the outside top power of push pedal [12] and outwards ejects, become the state shown in the accompanying drawing 4, can take out saw blade without hand contacts saw blade.
Among the embodiment two shown in the accompanying drawing 12, pressing nail [13] to be subjected to the upward force that slide block [18] applies locks operation element [14], when needs take out operation element [14], rotating turning set makes turning set and slide block move to unlocking position (moving to the position shown in the accompanying drawing 11 by the position shown in the accompanying drawing 12) by locking position, press nail body [22] also to be transformed to unlocking position from locking position, then remain under this position, can in slot [16], take out with hand operation element [14], come loose after the power that turning set is applied, driven unit and latch assembly automatically restore to locking position.
Claims (8)
1, a kind of reciprocating electric tools comprises
A housing;
A reciprocating rod subassembly, it moves reciprocatingly in described housing, and described reciprocating rod subassembly has an end that is used to receive operation element;
An operation element clamping device, it is arranged on the described reciprocating rod subassembly; Described operation element clamping device comprises
A driven unit is arranged at the described end of described reciprocating rod subassembly, and this driven unit has a locking position and a unlocking position, and driven unit can move between locking position and unlocking position with respect to described reciprocating rod subassembly;
A latch assembly, it has two operating positions, one is that operation element is locked to locking position on the described reciprocating rod subassembly, and one is the unlocking position that discharges described operation element, and described latch assembly moves between two operating positions; Described driven unit is when locking position moves to unlocking position, and latch assembly moves to unlocking position from locking position; Described driven unit is when unlocking position moves to locking position, and latch assembly moves to locking position from unlocking position;
It is characterized in that:
Described driven unit comprises that at least an energy makes axially movable slide block with respect to turning set, an energy that reciprocating rod subassembly rotates with respect to reciprocating rod subassembly, the inwall of described turning set has thread groove, the outside of described slide block is provided with guiding projection, guiding projection is inserted in the thread groove, and the inboard of slide block is provided with guiding surface or curved guiding surface;
Latch assembly comprises the pressure nail body that an energy moves radially with respect to the reciprocating rod subassembly work at least, the outer end of described pressure nail body is provided with guiding surface or curved guiding surface, and the guiding surface of described slide block or curved guiding surface contact with the guiding surface or the curved guiding surface of pressure nail body.
2, reciprocating electric tools according to claim 1, it is characterized in that: be respectively arranged with the both ends of second torsion spring between described pressure nail body and the reciprocating rod subassembly, this second torsion spring makes presses the nail body to have the trend that moves to unlocking position from locking position.
3, reciprocating electric tools according to claim 1 is characterized in that: be with first torsion spring on the described reciprocating rod subassembly, an end of this first torsion spring is connected on the reciprocating rod subassembly, and the other end is connected on the turning set.
4, reciprocating electric tools according to claim 1 is characterized in that: the outer surface of described turning set is provided with the driving wing that radially extends.
5, reciprocating electric tools according to claim 1 is characterized in that: have axially extended slide block chute on the described reciprocating rod subassembly, described slide block is positioned at this slide block chute.
6, reciprocating electric tools according to claim 1 is characterized in that: the end that being used to of described reciprocating rod subassembly accepted operation element is provided with the slot that is used to hold operation element; Described reciprocating rod subassembly radially have a pin body hole, be inserted with in this pin body hole and press the nail body, when pressing the nail body to be in locking position, the inner end of described pressure nail body is positioned at described slot.
7, reciprocating electric tools according to claim 1, it is characterized in that: the end that being used to of described reciprocating rod subassembly accepted operation element is provided with the slot that is used to hold operation element, being inserted with in this slot can axially movable push pedal, when pressing the nail body to be in unlocking position, push pedal is stretched between the cell wall of the inner end of pressing the nail body and slot; When pressing the nail body to be in locking position, the outer end of described push pedal is against the inner end of operation element.
8, reciprocating electric tools according to claim 1 is characterized in that: be provided with stage clip between described push pedal and the reciprocating rod subassembly, this stage clip has the trend that the push pedal of making is moved to the operation element direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221059 CN2543645Y (en) | 2002-05-27 | 2002-05-27 | Reciprocative electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221059 CN2543645Y (en) | 2002-05-27 | 2002-05-27 | Reciprocative electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2543645Y true CN2543645Y (en) | 2003-04-09 |
Family
ID=33699235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02221059 Expired - Lifetime CN2543645Y (en) | 2002-05-27 | 2002-05-27 | Reciprocative electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2543645Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106466862A (en) * | 2015-08-18 | 2017-03-01 | 株式会社牧田 | Power tool |
-
2002
- 2002-05-27 CN CN 02221059 patent/CN2543645Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106466862A (en) * | 2015-08-18 | 2017-03-01 | 株式会社牧田 | Power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20051026 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |