TWI691383B - Open type pneumatic tool with double switches - Google Patents

Abstract

An open pneumatic tool with double switches includes a body with two airflow channels. The two switch components are respectively provided in different airflow channels to control the gas in each airflow channel to be in a flowing state or a closed state. The body is further provided with a driving component to drive The assembly has a clamping member, the clamping member has an opening, the driving assembly is disposed in the body, and the gas of one airflow channel is in a flowing state, the driving assembly drives the clamping member to rotate in the first rotation direction, and the gas of the other airflow channel is In the flow state, the drive assembly drives the clamping member to rotate in the second rotation direction, and the ratchet assembly is provided in the body. When the clamping member rotates in the second rotation direction, the ratchet assembly is used to position the clamping member in the opening in an open shape Align the position.

Description

Open type pneumatic tool with double switches

The invention relates to power tools, in particular to an open pneumatic tool with double switches.

Pipelines such as oil pipes or pneumatic pipes are usually extended after bending, and then the nut provided at the end of the pipe and the joint of the seat body are combined with each other to form a passage through which oil or gas can flow. If the above pipeline is to be assembled, in addition to manually turning the nut one by one with an open-end wrench, an open-type power tool can also be used to quickly and massively perform the turning operation.

Most of the open type power tools are provided with a hollow clamping member that can be driven. The clamping member has an opening to allow the pipeline to pass through the hollow part, and then the clamping member is nested with a nut to drive the rotation, so that the nut Can be tightened or released on the joint.

However, during the rotation of the clamping piece of the aforementioned open power tool, if the operation is not performed properly or the correct steps are not followed, it often happens that the clamping piece does not rotate to the correct position, so that the pipeline can no longer be removed from the opening The clamping piece causes the user to repeatedly try to rotate the clamping piece to the correct position before the tool can be separated from the pipeline.

Therefore, the main object of the present invention is to provide an open pneumatic tool with double switches, which can quickly, accurately and easily control the clamping direction to be in the aligned position, reduce operation errors, reduce waste of operation time, and greatly improve the manufacturing process effectiveness.

To achieve the above-mentioned purpose, the present invention provides an open pneumatic tool with dual switches, including a body, a first switch component, a second switch component, a drive component, and a ratchet component; the body has a first An airflow channel and a second airflow channel; the first switch assembly and the second switch assembly are respectively disposed in the first airflow channel and the second airflow channel, so as to control the gas in the first airflow channel and the second airflow channel In a flowing state or a closed state; the driving assembly has a clamping member with an opening, the driving assembly is disposed on the body, and when the gas in the first gas flow channel is in a flowing state, the driving assembly drives the clamping The holder rotates in the first rotation direction. When the gas in the second gas flow channel is in a flowing state, the drive assembly drives the clamping member to rotate in the second rotation direction; the ratchet assembly is provided on the body when the clamping member faces In the second rotation direction, the ratchet assembly is used to position the clamping member in the aligned position where the opening is open.

Preferably, the first switch assembly has a first trigger, and the second switch assembly has a second trigger. The first trigger and the second trigger are juxtaposed on the outer surface of the body and extend in opposite directions.

Preferably, wherein the first trigger is connected to a first valve body, the second trigger is connected to a second valve body, and the first valve body and the second valve body are respectively movably disposed on the first of the body The airflow channel and the second airflow channel, the first trigger and the second trigger respectively drive the first valve body and the second valve body to move and control the gas in the first airflow channel or the second airflow channel to be in a flowing state Or closed.

Preferably, the ratchet assembly includes a stopper and an elastic element, the elastic element is disposed between the body and the stopper to drive the end of the stopper toward a gear set of the drive assembly Yaw, when the clamping member rotates in the first rotation direction, the end of the stopper will not fit into a positioning portion of the gear set, when the clamping member rotates in the second rotation direction and the stopper's The end is embedded in the positioning part of the gear set, and the clamping member is positioned at the aligned position where the opening is open.

The detailed structure or features provided by the present invention will be described in the detailed description of the subsequent embodiments. However, those skilled in the art should understand that the detailed description and the specific embodiments listed for implementing the present invention are only used to illustrate the present invention, and are not intended to limit the protection scope of the claims of the present invention.

10: Ontology

12: The first air flow channel

14: Second airflow channel

20: The first switch assembly

22: The first trigger

24: the first valve body

25: Second switch assembly

26: Second trigger

28: second valve body

30: drive assembly

32: Air motor

34: Gear set

36: clamping piece

38: opening

39: Positioning Department

40: Ratchet assembly

42: Stopper

44: Elastic piece

FIG. 1 is a perspective assembled view of a preferred embodiment of the present invention.

FIG. 2 is a partial exploded view of a preferred embodiment of the present invention.

FIG. 3 is another partially exploded perspective view of a preferred embodiment of the present invention.

FIG. 4 is a front view of a preferred embodiment of the present invention, which shows a partial cross-sectional state.

5 to 7 are partial cross-sectional views of the present invention, mainly showing the operating states of the first switch assembly and the second switch assembly.

FIG. 8 is a partial cross-sectional view of a preferred embodiment of the present invention, in which the clamping member is shown in the aligned position where the opening is open.

Fig. 9 is similar to Fig. 8 and mainly shows that the opening of the clamping member deviates from the alignment position.

The technical content and features of the present invention are described in detail below by listing preferred embodiments and drawings. The present invention can be widely applied to various types or specifications of open-type pneumatic tools. Those skilled in the art can understand the description of this embodiment. A high-level description that does not limit the application field. For example, the terms of materials or shapes include and are not limited to the materials or shapes specified in the description, and the terms of location include and are not limited to setting, approaching, connecting, or abutting. The number of elements "one" and "at least one" includes one and more than one number of elements. Directional adjectives such as "upper", "lower", "inner", "outer", "top", and "bottom" mentioned in the contents of this manual are only examples of descriptions based on the normal direction of use, not as The intention of limiting the scope of the claim.

As shown in FIGS. 1 to 4, the open pneumatic tool with dual switches provided by the present invention includes a body 10, a first switch assembly 20, a second switch assembly 25, a drive assembly 30, and a ratchet assembly 40 . In the preferred embodiment, the body 10 takes an in-line structure as an example. The body 10 has a first gas flow channel 12 and a second gas flow channel 14. The body 10 can directly conduct high-pressure gas to the first The gas flow channel 12 or the second gas flow channel 14 is controlled by the first switch assembly 20 and the second switch assembly 25 provided in the body 10 to control the high-pressure gas in the first gas flow channel 12 or the second gas flow channel 14 in a flowing state or in a closed state , Which in turn drives the driving assembly 30 to produce different operating directions.

The first switch assembly 20 has a first trigger 22 and a first valve body 24 connected to the first trigger 22, the second switch assembly 25 has a second trigger 26 and a second valve body 28 connected to the second trigger 26, The first valve body 24 and the second valve body 28 are respectively movably disposed in the first air flow channel 12 and the second air flow channel 14 of the body 10, and the first trigger 22 and the second trigger 26 are juxtaposed on the outer surface of the body 10 and facing Extend in the opposite direction. The first trigger 22 and the second trigger 26 can be pressed down (as shown in FIGS. 6 and 7) or released (as shown in FIG. 5), respectively, thereby driving the first valve body 24 and the second valve body 28 to move up and down and control the first air flow The gas in the channel 12 or the second gas flow channel 14 is in a flowing state or a closed state.

The driving assembly 30 includes an air motor 32, a gear set 34, and a clamping member 36. The driving assembly 30 is disposed inside the body 10, and the air motor 32 is adjacent to the first switch assembly 20 and the second switch assembly 25. The first switch assembly 20 and the second switch assembly 25 control the high-pressure gas flowing in the first air flow channel 12 or the second air flow channel 14 to be directly conducted to the air motor 32, and the air motor 32 is received from the first air flow channel 12 or the second The two airflow channels 14 are driven by the high-pressure gas in a flowing state and rotate in different directions.

The gear set 34 of the driving assembly 30 is disposed inside the body 10 and is connected between the air motor 32 and the clamping member 36. The clamping member 36 has an opening 38. The clamping member 36 is disposed in a rotatable manner on the spot At the front end of the body 10, the gear set 34 is driven by the air motor 32 to drive the clamping member 36 so that the clamping member 36 can be rotated at the front end of the body 10 in situ. When the gas in the first air flow channel 12 is in a flowing state, the driving member 30 can drive the clamping member 36 to rotate in a first rotation direction. At this time, the clamping member 36 is nested in the tubing joint for tightening operation, and when the second When the gas in the airflow channel 14 is in a flowing state, the driving member 30 drives the clamping member 36 to rotate in the second rotation direction. At this time, the opening 38 of the clamping member 36 is turned to the aligned position as shown in FIG. It can be removed from the tubing connector.

The ratchet assembly 40 includes a stop member 42 and an elastic member 44. The stop member 42 is disposed at the front end of the body 10, and the elastic member 44 is disposed between the body 10 and the stop member 42 to drive the end of the stop member 42 9 toward the positioning portion 39 of the gear set 34, as shown in FIG. 9, when the clamping member 36 rotates in the first rotation direction, the end of the stopper 42 will not fit into the positioning portion 39 of the gear set 34, as shown in FIG. As shown in FIG. 8, when the clamping member 36 rotates in the second rotation direction until the end of the stopper 42 is inserted into the positioning portion 39, the gear set 34 no longer rotates, and the opening 38 of the clamping member 36 opens toward the front of the body 10 The shape, that is, the opening 38 faces the alignment position.

With the above-mentioned components, as shown in FIG. 6, when the first trigger 22 of the first switch assembly 20 is pushed down to drive the first valve body 24 downward, the gas in the first gas flow channel 12 flows to drive the driving assembly 30 drives the clamping member 36 to rotate in the first rotation direction, and the clamping member 36 can drive the tubing joint to tighten. After the tubing joint is tightened, if the opening 38 of the clamping member 36 is shifted to the correct position, the second trigger 26 of the second switch assembly 25 can be depressed to drive the second valve body 28 to move downward to make the second airflow The gas in the channel 14 is in a flowing state, and the driving assembly 30 is reversely driven to drive the clamping member 36 to rotate in the second rotation direction, and then match The ratchet assembly 40 stops the gear set 34 from rotating. The opening 38 of the clamping member 36 is located at the correct position, that is, the opening 38 is opened in the body 10, and the oil pipe joint can be removed to complete related operations.

In the present invention, the first switch assembly 20 and the second switch assembly 25 respectively control the clamping member 36 to rotate in different directions such as the first rotation direction and the second rotation direction. The user can press the first trigger 22 or the second trigger according to the actual configuration. The second trigger 26 controls the clamping member 36, the operation mode is faster and intuitive, and the gear set 34 cooperates with the ratchet assembly 40 to control the clamping member 36 to rotate to the opening 38 is aligned to the open position, position control is more accurate and simple, reducing Operational errors reduce the waste of operating time and greatly improve process efficiency.

10: Ontology

22: The first trigger

26: Second trigger

36: clamping piece

38: opening

Claims (4)

An open pneumatic tool with double switches, including: A body with a first airflow channel and a second airflow channel; A first switch assembly and a second switch assembly are respectively provided in the first airflow channel and the second airflow channel, so as to control the gas in the first airflow channel and the second airflow channel to be in a flowing state or a closed state; A driving component has a clamping member with an opening. The driving component is disposed on the body. When the gas in the first gas flow channel is in a flowing state, the driving component drives the clamping member to rotate toward the first Rotation, when the gas in the second gas flow channel is in a flowing state, the drive assembly drives the clamping member to rotate in the second rotation direction; and A ratchet assembly is provided on the body. When the clamping member rotates toward the second rotation direction, the ratchet assembly is used to position the clamping member at the aligned position where the opening is open. The open pneumatic tool with dual switches according to claim 1, wherein the first switch assembly has a first trigger, the second switch assembly has a second trigger, and the first trigger and the second trigger are side by side on the The outer surface of the body extends in the opposite direction. The open pneumatic tool with dual switches according to claim 2, wherein the first trigger is connected to a first valve body, the second trigger is connected to a second valve body, the first valve body and the second valve body are respectively The first airflow channel and the second airflow channel are movably disposed in the body, and the first trigger and the second trigger respectively drive the first valve body and the second valve body to move and control the first airflow channel Or the gas in the second gas flow channel is in a flowing state or a closed state. The open-type pneumatic tool with dual switches according to claim 1, wherein the ratchet assembly includes a stopper and an elastic member, the elastic member is disposed between the body and the stopper to drive the stopper The end of the gear deflects toward a gear set of the drive assembly. When the clamping member rotates in the first rotation direction, the end of the stopper will not fit into a positioning portion of the gear set when the clamping member faces The second rotation direction rotates and the end of the stopper is embedded in the positioning part of the gear set, and the clamping member is positioned at the aligned position where the opening is open.

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