TWM464278U - Pneumatic tool structure with control switch and control switch for pneumatic tool - Google Patents

Description

Pneumatic tool structure with control switch and control switch for pneumatic tool

The present invention relates to a pneumatic tool structure with a control switch and a control switch for a pneumatic tool, in particular to a pneumatic tool structure with a control switch for switching the direction of rotation and a control switch for a pneumatic tool.

Pressing, pneumatic tools are an industry-wide auxiliary tool that uses intake air to form a pneumatic method that drives the motor rotor assembly inside the pneumatic tool to rotate, thereby locking the tool head assembled on the motor rotor assembly or Loosen the screws and caps. The air intake mode of the aforementioned pneumatic tool can be adjusted according to the operation demand to adjust the amount of intake air or the steering of the intake air.

In today's pneumatic tool construction, an air intake component and a steering switching component and the like of a pneumatic tool are usually provided to provide a control gas flow rate, and the positive and negative directions can be switched. For the conventional technology of air intake components, speed control components and steering switching components for pneumatic tools, please refer to the Republic of China Patent Certificate No. 080240. In the conventional structure, a speed regulating component assembled to the air intake component is provided, and the steering switching component is disposed on the outer side of the speed regulating component, thereby being used as a pneumatic tool for positive and negative switching adjustment and function. .

However, such a conventional structure has the following problems in practical use: "When the steering switching assembly is to be adjusted for forward or reverse rotation, the speed adjustment component of the intake assembly must be adjusted to make it loose. To adjust the torque to adjust the steering switch assembly; therefore, regardless of When doing the forward rotation or the reverse rotation, the speed adjustment component of the air intake assembly must be adjusted before the steering switching assembly can be adjusted. Such a complicated and complicated manner often causes inconvenience in operation.

In addition, please refer to the Republic of China Patent No. 513992, which discloses a "pneumatic tool structure". It is known from the third and fourth figures of the patent that the body of the pneumatic tool is provided with two left and right air intake holes, and is matched with a gas control switch, and the gas control switch is provided with first, second and third perforations. With the rotation of the gas control switch, the intake air is controlled to the left and right intake holes of the body as the rotation control for driving the cylinder motor to rotate or reverse. In the above structure, the design of three perforations or more perforations of the gas control switch is used, and the design of the left and right air intake holes of the main body is used to adjust different perforation positions to select the binary connection with the main body. The position of the air holes forms a different air intake arrangement, which is the so-called "five-hole two-position" intake form. However, the five-hole two-position structural design, the user must be familiar with the adjustment and alignment of the gas control switch, the actual operation is obviously difficult, and the structural design of the control switch is relatively complicated, for the user to use, maintain or switch It is not convenient in function. With regard to the inconvenience of the design and use of the above-mentioned conventional pneumatic tools, the present invention proposes another structural improvement for the above-mentioned conventional pneumatic tools.

The purpose of this creation is to provide a pneumatic tool structure with a control switch, which can effectively improve the problems existing by the special design of the control switch, and can conveniently and effectively control the forward direction of the intake gas in the pneumatic tool. Or reverse, so that the function of steering switching can be performed efficiently without affecting the action of the intake assembly.

The purpose of the present invention is to provide a control switch for a pneumatic tool, which can conveniently and efficiently control the forward or reverse direction of the intake gas in the pneumatic tool through the simple design of the control switch, so as not to affect the intake assembly. Under the action, it is efficient to turn the switch function.

To achieve the above object, the present invention provides a pneumatic tool structure having a control switch, comprising: a tool body, a brake motor unit, an air intake assembly, and a switching member. The tool body has a braking zone, an intake zone, and a control zone connected to the braking zone and the intake zone. The brake motor assembly is disposed in the braking zone. The air intake component is disposed in the air inlet area for controlling a switch of the intake gas entering the air intake zone to open or close the intake gas into the control zone; the switching component is disposed in the control zone for controlling The intake gas enters a first flow direction and a second flow direction of the braking zone from the intake region; wherein the switching member has a first gate portion, a second gate portion and a switching portion in a longitudinal direction thereof. The first and second gate portions are disposed in front of and behind the switching member, and respectively corresponding to the air inlet region and the braking region to define the intake gas flow to the first and second flow directions; The switching unit switches the first and second gates to switch to a first position and a second position, respectively.

Thereby, the switching unit switches the first gate portion to the first position or the second gate portion to the second position; when switching to the first position, the first gate portion is correspondingly connected to the a gas zone and the braking zone to define the flow of the intake gas to the first flow direction to rotate the brake motor set of the braking zone in a first direction; when switching to the second position, the second brake system Correspondingly connected to the intake zone and the braking zone to define the intake gas flow to the second flow direction, so that the brake motor group of the braking zone rotates in a second direction.

In order to achieve the above object, the present invention further provides a control switch for a pneumatic tool for controlling the switching of the forward or reverse rotation of the brake motor of the pneumatic tool, the control switch comprising: a switching member disposed on the pneumatic Inside the tool, the switching member has a first gate portion, a second gate portion and a switching portion, and the first gate portion and the second gate portion are disposed in front of and behind the switching member, the first The second gate portion respectively defines an intake gas flow to the pneumatic tool The first and second flow directions of the movable motor group; the switching portion switches the first and second brake portions to the first position and the second position of the pneumatic tool; wherein, when switching to the first position, the switching The first brake portion defines the flow of the intake gas to the first flow direction, causing the brake motor assembly of the pneumatic tool to rotate in a first direction; when switching in the second position, the second brake portion defines the intake air The flow of gas to the second flow direction causes the brake motor assembly of the pneumatic tool to rotate in a second direction.

Therefore, the characteristic of the creation is that the special structure design of the control switch can utilize the sliding mode, and the first gate portion or the second gate portion can be selected to limit the flow direction of the intake gas, without unnecessary or complicated. Under the structure and operation, the forward or reverse direction of the intake gas in the pneumatic tool can be conveniently and effectively controlled, so that the function of steering switching can be conveniently and effectively performed without affecting the intake air.

2‧‧‧ pneumatic tools

20‧‧‧Tool body

201‧‧‧ rear housing

202‧‧‧ front casing

21‧‧‧ braking zone

23‧‧‧Intake zone

25‧‧‧Control area

26‧‧‧Intake through hole

3‧‧‧Brake motor unit

5‧‧‧Switching components

50‧‧‧ Pressing Department

51‧‧‧Flexible Department

52‧‧‧First Gate

54‧‧‧Second Gate

56‧‧‧Switching Department

57‧‧‧Switching path

571‧‧‧ Surrounding Trail

572‧‧‧First positioning end

31‧‧‧Motor cover

312, 314‧‧ ‧ stomata

4‧‧‧Air intake components

573‧‧‧Second positioning end

58‧‧‧ Positioning parts

Figure 1 is an exploded perspective view of the pneumatic tool structure with the control switch.

Figure 2 is a perspective view of the switching member of the pneumatic tool structure with the control switch.

FIG. 3 is a perspective view of the switching member of the pneumatic tool structure with the control switch and the positioning member.

Fig. 4 is a perspective view showing the structure of the pneumatic tool having the control switch of the present invention, showing the case where the switching member is assembled to the tool body.

Fig. 5 is a cross-sectional view (1) of the pneumatic tool structure having the control switch of the present invention, showing the case where the intake member is opened and the switching member is slid to the first position.

Fig. 6 is a cross-sectional view (ii) of the pneumatic tool structure having the control switch of the present invention, showing the case where the intake member is opened and the switching member is slid to the second position.

Fig. 7 is a partially enlarged cross-sectional view showing the structure of the pneumatic tool having the control switch of Fig. 6, showing in detail the case where the intake gas flows to the switching member after the intake assembly is opened.

Fig. 8 is a cross-sectional view (3) of the pneumatic tool structure having the control switch of the present invention, showing the case where the intake gas flows through the first gate portion of the switching member and reversely rotates in the counter direction to the brake motor group.

Fig. 9 is a cross-sectional view (4) of the pneumatic tool structure having the control switch of the present invention, showing a case where the intake gas flows through the second gate portion of the switching member and rotates in the forward direction toward the brake motor unit.

Figure 10 is a perspective view of the pneumatic tool structure of the present invention having a control switch.

Fig. 11 is a schematic view (1) of the cooperation of the switching member of the pneumatic tool structure with the control switch and the positioning member, showing the movement of the positioning member in the switching path.

Fig. 12 is a schematic view showing the cooperation of the switching member of the pneumatic tool structure with the control switch and the positioning member (2), showing the movement of the positioning member in the switching path.

Fig. 13 is a schematic view showing the cooperation of the switching member of the pneumatic tool structure with the control switch and the positioning member (3), showing the movement of the positioning member in the switching path.

Figure 14 is a perspective view of the switching member of the pneumatic tool structure having the control switch.

Figure 15 is a cross-sectional view of the switching member of the pneumatic tool structure having the control switch.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 10, the present invention provides a pneumatic tool structure having a control switch, the pneumatic tool 2 comprising: a tool body 20, a brake motor unit 3, and a The gas assembly 4, and a switching member 5. The tool body 20 is a casing body of a pneumatic tool. In this creation, the pneumatic tool can be any type of pneumatic mechanism, such as a pneumatic screwdriver, an air wrench or a pneumatic nail gun.

As shown in FIG. 1, the tool body 20 is provided with a zero-component receiving and assembling application of various pneumatic tools. The tool body 20 has a braking zone 21, an air inlet zone 23, and a communication zone 21 therebetween. A control zone 25 with the intake zone 23. There is an intake through hole 26 between the intake region 23 and the control region 25 (Figs. 5 and 6). In addition, the front and rear portions of the tool body 20 include a rear housing 201 and a front housing 202 to form a complete pneumatic tool (Figs. 5, 6).

The brake motor set 3 is disposed in the braking zone 21, and the brake motor set is rotated by the pneumatic driving to provide a motor braking member as a pneumatic tool; as shown in FIG. 1, FIG. 8 and FIG. The brake motor unit 3 is covered by a motor cover 31. Two sides of the motor cover 31 are respectively provided with two air holes 312 and 314 (as shown in FIGS. 8 and 9). The air intake unit 4 is disposed in the air intake area. 23, using a slip mode of pressing the intake assembly to control a switch of the intake gas entering the intake region 23, thereby opening or closing the intake gas into the control region 25, wherein the intake through hole 26 is In the intake region 23 and the control region 25, when the intake assembly is pressed open, the intake gas flows from the intake through hole to the control region 25; the switching member 5 is disposed in the control region 25 It is used for controlling a first flow direction and a second flow direction of the intake gas entering the braking zone 21 from the intake region 23, as shown in FIGS. As shown in FIG. 1 to FIG. 3, the switching member 5 is provided with a first gate portion 52, a second gate portion 54, and a switching portion 56 along its longitudinal direction. The first gate portion 52 and the second gate portion 54 are disposed on the periphery of the switching member 5 in front and rear, and are respectively connected to the intake region 23 and the braking region 21, respectively. The flow of the intake gas is defined to the first flow direction or the second flow direction. In this embodiment, the first gate portion 52 and the second gate portion 54 are respectively a ventilating gate, and are respectively recessed on the peripheral surface of the switching member 5 along the longitudinal direction of the switching member 5 to form a limited flow. The first flow direction or the second flow direction of the ventilator.

The switching portion 56 switches the first and second gate portions 52, 54 so that the first gate portion 52 and the second gate portion 54 can be respectively switched to a first position (as shown in FIG. 5 and FIG. 8). And a second position (as shown in FIG. 6 and FIG. 9), such that the first gate portion 52 or the second gate portion 54 of the switching member 5 is correspondingly connected to the intake through hole 26.

As can be seen from FIG. 5 and FIG. 8 , when the switching member 5 is pressed and the sliding position is at the first position, the first gate portion 52 can communicate with the intake through hole 26 to define the intake gas flow to the first portion. First class. It can be seen from FIG. 6 and FIG. 9 that when the switching member 5 is pressed and the slip is in the second position, when the second gate portion 54 can communicate with the intake through hole 26, the intake gas flow is limited thereto. The second flow direction.

Referring to FIG. 11 to FIG. 15 and FIG. 1 to FIG. 3 , in the embodiment of the present invention, the switching portion 56 is a switching path 57 disposed on the switching member 5 and a positioning member corresponding to the switching path 57 . 58. The switching path 57 has a surrounding diameter 571, a first positioning end 572 and a second positioning end 573 respectively disposed on the surrounding diameter 571. As shown in FIG. 14 and FIG. 15 , in the present invention, the first positioning end 572 and the second positioning end 573 are at different heights and positions, forming a height difference, and the surrounding diameter 571 is at the first and second positioning ends. Between 572 and 573, an oblique angle is present, so that the positioning member 58 can be surely moved to the switching path 57 to achieve the switching effect of different positions. In this embodiment, the second positioning end 573 is higher than the first positioning end 572. The positioning member 58 is attached to the tool body 20 at one end (holding end), and the other end (free end) of the positioning member 58 is moved to the ring. The diameter 571 is located along the surrounding diameter 571 at the first positioning end 572 or the second positioning end 573 (as shown in FIGS. 11-13). Therefore, when the switching member 5 is pressed for the sliding movement, the positioning member 58 (free end) is located at the first positioning end 572, the first gate portion 52 is located at the first position; when the positioning member 58 (free end) ) is located at the second positioning end 573, and the second gate portion 54 is located at the second position.

Furthermore, a pressing portion 50 and an elastic portion 51 are respectively disposed at the front and the rear ends of the switching member 5. The pressing portion 50 provides a user pressing so that the switching member 5 can be slidably moved in the first position or the second position, and the elastic portion 51 provides the switching member 5 to maintain elastic energy so that the switching member 5 Constantly maintaining a compressible elastic kinetic energy during the slipping process provides the user with repeated pressing and reciprocating positioning in the first position or the second position.

Thereby, the switching portion 56 switches the first gate portion 52 to the first position or moves the second gate portion 54 to the second position. As shown in FIGS. 5 and 8, in the first position, the first gate portion 52 is correspondingly connected to the air inlet region 23 and the braking region 21 to define the flow of the intake gas to the first flow direction, and then to the flow direction. The air hole 312 of the motor cover 31 causes the brake motor unit 3 of the brake zone 21 to rotate in a first direction (counterclockwise rotation). As shown in FIGS. 6 and 9, in the second position, the second gate portion 54 is correspondingly connected to the intake region 23 and the braking region 21 to define the flow of the intake gas to the second flow direction, thereby flowing The air hole 314 of the motor cover 31 causes the brake motor unit 3 of the brake zone 21 to rotate in a second direction (clockwise rotation). In this way, the forward and reverse rotation of the brake motor unit 3 can be switched.

Referring to FIGS. 5 and 6, in actual use, the user can press the air intake assembly 4 to introduce intake air into the intake region 23, and the intake air system flows through the intake through hole 26 into the control region. 25, by the sliding mode of pressing the switching member 5, through the design of the switching portion 56, the free end of the positioning member 58 is wound around the surrounding diameter 571 of the switching path 57. The first positioning end 572 or the second positioning end 573 (as shown in FIG. 11-15), and then switching to the first or second position 54 in the first or second position to reach the first and the second The function of the two flow direction causes the brake motor unit to rotate clockwise or reverse.

In summary, the present invention provides a pneumatic tool structure with a control switch and a control switch thereof, by which the structural design of the switching member (ie, the control switch) can be utilized with a slipping manner, with a special design of the switching portion. In the following, the first gate portion or the second gate portion may be selected to define the flow direction of the intake gas, and the forward or reverse direction of the intake gas in the pneumatic tool can be conveniently and effectively controlled without unnecessary or complicated structure and operation. Therefore, the function of steering switching can be conveniently and effectively performed without affecting the intake air. Therefore, this creation is extremely progressive, in line with the relevant provisions of the Patent Law, and filed a patent application in accordance with the law, so that the Office of the Office can grant a patent as soon as possible.

20‧‧‧Tool body

201‧‧‧ rear housing

202‧‧‧ front casing

21‧‧‧ braking zone

23‧‧‧Intake zone

25‧‧‧Control area

26‧‧‧Intake through hole

3‧‧‧Brake motor unit

31‧‧‧Motor cover

4‧‧‧Air intake components

5‧‧‧Switching components

50‧‧‧ Pressing Department

51‧‧‧Flexible Department

572‧‧‧First positioning end

573‧‧‧Second positioning end

58‧‧‧ Positioning parts

Claims (11)

A pneumatic tool structure having a control switch, comprising: a tool body having a braking zone, an intake zone, and a control zone connected to the braking zone and the intake zone; a brake motor set disposed on the brake An intake unit disposed in the intake region to control a switch for intake gas entering the intake region to open or close the intake gas to enter the control region; and a switching member disposed in the control region a first flow direction and a second flow direction for controlling the intake gas to enter the braking zone from the air inlet region; wherein the switching member has a first gate portion and a second gate portion in a longitudinal direction thereof a switching portion, the first and second gate portions are disposed in front of and behind the switching member, and respectively corresponding to the air intake region and the braking region to define the intake gas flow to the first and second flow directions The switching unit switches the first and second gates to respectively switch to move to a first position and a second position; thereby, the switching unit switches the first gate to the first position or the The second gate is in the second position; when switching to the first The first gate portion is correspondingly connected to the air intake region and the braking region to define the intake gas flow to the first flow direction, so that the brake motor group of the braking region rotates in a first direction; When switching to the second position, the second gate portion is correspondingly connected to the intake region and the braking region to define the intake gas flow to the second flow direction, so that the brake motor group of the braking region is made a Rotate in two directions. The pneumatic tool structure of claim 1 , wherein the switching portion is a switching path disposed on the switching member and a positioning member disposed on the switching path, the switching path having a surrounding diameter and a separation a first positioning end and a second positioning end of the surrounding path, The positioning member is moved to the surrounding diameter and is located at the first positioning end or the second positioning end; when the positioning member is located at the first positioning end, the first gate portion is located at the first position; when the positioning member is located at the The second positioning end is located at the second position. The pneumatic tool structure with a control switch according to claim 1, wherein the front and rear ends of the switching member are respectively provided with a pressing portion and an elastic portion, the pressing portion provides a user pressing, and the elastic portion provides Constantly maintains an elastic energy when pressed. The pneumatic tool structure with a control switch according to claim 1, wherein the intake region and the control region have an intake through hole, and the first gate portion or the second gate portion of the switching member is correspondingly connected. The intake through hole; when the first gate communicates with the intake through hole, the intake gas is restricted to the first flow direction; when the second gate communicates with the intake through hole, the limit is defined The intake gas flows to the second flow direction. A pneumatic tool structure having a control switch according to claim 4, wherein the intake unit controls intake air to enter the control area via the intake through hole to open or close the intake gas into the control area. . The pneumatic tool structure with a control switch according to any one of claims 1 to 5, wherein the first and second brake portions are respectively a ventilation gate, along a longitudinal direction of the switching member, respectively It is recessed on the peripheral surface of the switching member. A control switch for a pneumatic tool for controlling a forward or reverse rotation of a brake motor set of a pneumatic tool, the control switch comprising: a switching member disposed inside the pneumatic tool, the switching member having a first gate portion, a second gate portion and a switching portion, wherein the first gate portion and the second gate portion are disposed in front of and behind the switching member, and the first and second gate portions respectively define a Intake gas flows to the pneumatic tool a first flow direction and a second flow direction of the brake motor group; the switching portion switches the first gate portion to a first position of the pneumatic tool, and switches the second gate portion to a second portion of the pneumatic tool a position; wherein, when switching in the first position, the first gate portion defines the intake gas flow to the first flow direction, causing the brake motor set of the pneumatic tool to rotate in a first direction; switching in the second position In the position, the second gate portion defines the flow of the intake gas to the second flow direction, causing the brake motor assembly of the pneumatic tool to rotate in a second direction. The control switch for a pneumatic tool according to claim 7, wherein the switching portion is a switching path provided on the switching member and a positioning member corresponding to the switching path, the switching path having a surrounding path, The first positioning end and the second positioning end of the surrounding diameter are respectively disposed on the surrounding diameter and positioned on the first positioning end or the second positioning end; when the positioning component is located at the first The positioning end is located at the first position; when the positioning member is located at the second positioning end, the second sliding portion is located at the second position. The control switch for a pneumatic tool according to claim 8, wherein the first and second positioning ends are different height positions to form a height difference, and the surrounding diameter is between the first and second positioning ends. And presents an oblique angle. The control switch for a pneumatic tool according to claim 7, wherein the front and rear ends of the switching member are respectively provided with a pressing portion and an elastic portion, the pressing portion provides a user pressing, and the elastic portion provides Constantly maintains an elastic energy when pressed. The control switch for a pneumatic tool according to any one of claims 7 to 10, wherein the first and second brake portions are respectively a ventilating gate along a longitudinal direction of the switching member, respectively It is recessed on the peripheral surface of the switching member.