TWM609386U - Power ratchet wrench structure - Google Patents

Abstract

A power ratchet wrench structure, which includes: a power ratchet wrench, a fixed sleeve, a spring, a movable sleeve, an adjustment piece, a retaining screw and a adapter, wherein the power ratchet wrench has a wrench body and a Outer sleeve, the head end of the wrench body is provided with a ratchet mechanism and a driving head, the driving head is connected with a transmission shaft inserted in the wrench body and extending backward from the outer sleeve, and The outer periphery of the rear section of the outer sleeve is provided with a threaded section, and the adjusting member has a rotating ring, and an adjusting screw set on the threaded section is combined in the rotating ring.

Description

Power ratchet wrench structure

This creation is about a "power ratchet wrench structure", especially a power ratchet wrench structure whose driving head can be rotated by the motor of a pneumatic tool or an electric tool.

By the way, the currently known power ratchet wrenches are much like the "Power Ratchet Wrenches" approved by the Jun Bureau on March 21, 1999 with Patent Certificate No. M376390, which includes: a grip body (10), which is set There is a accommodating groove (11), the accommodating groove (11) is axially concavely arranged at one end of the grip body (10); a transmission shaft (20) is rotatably arranged in the accommodating groove ( 11) the middle position; a ring sleeve (30), which is fixedly arranged on an inner peripheral wall of the accommodating groove (11); a crank shaft (40), which is rotatably passed through the ring sleeve (30) A turntable part (41), an eccentric output rod (43), a drive shaft hole (45), and a plurality of wheel placement grooves (47) are provided in the middle position of the turntable part (41); the turntable part (41) is annular and protruding On an outer peripheral surface of the crankshaft (40); the eccentric output rod (43) is offset and protruded at one end of the crankshaft (40) and exposed to the grip body (10); the transmission shaft hole (45) ) Is axially recessed in the middle position of the crankshaft (40) different from one end of the eccentric output rod (43), wherein the transmission shaft (20) extends into the transmission shaft hole (45); the A plurality of wheel placement grooves (47) are radially recessed in the turntable portion (41) at intervals and communicate with the transmission shaft hole (45); a plurality of planetary gears (50) are respectively rotatably provided in the turntable portion (41). In a plurality of wheel placement grooves (47), each planetary gear (50) protrudes outside the corresponding wheel placement groove (47) and is connected to an inner wall surface of the ring sleeve (30) and the transmission shaft (20) Intermeshing; a plurality of pins (60), which are axially penetrated through the turntable portion (41) And respectively pass through the middle positions of the plurality of planetary gears (50); two stable bearings (70), which are sleeved on the crankshaft (40) and respectively fixed on the inner peripheral wall of the ring sleeve (30), The two stable bearings (70) are respectively located on both sides of the turntable portion (41); and a power ratchet head assembly (80), which is fixed in combination with the grip body (10) and is provided with a head (81) ) And a load bearing (82), the load bearing (82) is fixed on an inner peripheral wall of the head (81), and the load bearing (82) is sleeved on the crankshaft (40) and located at the eccentric Between the input shaft (43) and the corresponding adjacent stable bearing (70).

However, the above-mentioned conventional structure still has the following problems in practical applications: the output torque of the power ratchet wrench is fixed, and cannot be adjusted as required, so that the power ratchet wrench cannot be used in practice. According to the above requirements, make the most appropriate adjustment of the torque value, and the use is easy to be restricted everywhere.

Therefore, how to develop and improve the shortcomings of the above-mentioned conventional power ratchet wrenches is actually the goal of the relevant industry’s efforts to develop. In view of this, the creator has thought and created ideas, and then used years of experience to develop The design, after many discussions and sample tests, and many revisions and improvements, is the creation of this creation.

The output torque of the conventional power ratchet wrench is fixed and cannot be adjusted as required. This is the technical problem to be solved.

This creation provides a power ratchet wrench structure, which includes: a power ratchet wrench, a A fixed sleeve, a spring, a movable sleeve, an adjustment piece, a retaining screw and an adapter, wherein the power ratchet wrench has a wrench body and an outer tube arranged behind the wrench body, the head of the wrench body A ratchet mechanism and a driving head are arranged in the end, and the driving head is connected with a transmission shaft that penetrates the wrench body and extends out of the outer sleeve. If the joint is connected with a pneumatic tool or an electric tool, the motor of the pneumatic tool or electric tool can drive the drive head to rotate, and the drive head is equipped with a reversing knob, so that the drive head can use the change The switch to the dial button achieves the effect of being reversed and locked by the ratchet mechanism, and the outer circumference of the rear section of the outer sleeve is provided with a threaded section, and the fixed sleeve, spring and movable sleeve are sleeved in order from back to front After being placed on the outer sleeve, the fixed sleeve is combined with the outer sleeve through the penetration of a roller, and the two ends of the spring are provided by the step edges protruding on the fixed sleeve and the movable sleeve Doing abutment will cause the spring to be compressed or released along with the translation of the movable sleeve, so that the wrench body can obtain different torques. The adjusting member has a rotating ring, and the rotating ring is combined with a rotating ring. The adjusting screw of the screw set on the threaded section resists the rear end of the movable sleeve with the adjusting screw, and provides hand-spinning with the enlargement of the rotating ring, so that the movable sleeve can follow the rotating ring and The synchronous rotation of the adjusting screw produces forward and backward translation. The stop screw is screw-locked on the threaded section on the rear side of the adjusting screw, so that the change in the position of the stop screw is used to set the adjustment piece. Maximum adjustment distance, the adapter is provided with an internal threaded hole and an external threaded part, so that the adapter can be locked on the threaded section of the outer sleeve with the internal threaded hole, and then the external threaded part Provide pneumatic tools, electric tools or handles for manual use for connection, so as to obtain a power ratchet wrench structure.

(1) This creation provides a power ratchet wrench structure. The torque of the power ratchet wrench is adjustable, so that the power ratchet wrench can make the most appropriate adjustment of the torque value according to the actual use requirements, so as to avoid the use of Limited person.

(2) This creation provides a power ratchet wrench structure. The outer side of the adjusting screw is combined with a rotating ring, so that the adjusting piece can be used by hand by the enlargement of the rotating ring. In this way, the convenience of adjustment can be greatly improved. Without the need for additional tools to drive the adjusting screw to rotate.

(3) This creation provides a power ratchet wrench structure. The adjustment distance of the adjustment member can be changed by using the difference in the position of the locking screw, which will be more flexible in use.

The authoring part:

(10): Power ratchet wrench

(11): Wrench body

(12): Outer tube

(13): Drive head

(14): Drive shaft

(15): Thread section

(16): Roller

(20): Fixed sleeve

(21): Step Edge

(30): Spring

(40): Activity set

(41): Step Edge

(50): Adjusting parts

(51): Rotating ring

(511): scale

(52): Adjusting screw

(60): retaining screw

(70): Adapter

(71): Internal threaded hole

(72): External thread

(80): Pneumatic tools

(90): Grip

[Picture 1] is the three-dimensional combined drawing of this creation.

[Picture 2] is a three-dimensional exploded view of this creation.

[Picture 3] is the state diagram of this creation and pneumatic tools assembling.

[Picture 4] is the adjustment state diagram of this creation.

[Picture 5] is the state diagram of this creation and the manual handle assembling.

In order to enable your reviewer to have a further understanding and understanding of the purpose, features and effects of this creation, please cooperate with [Schematic Description] to list the examples below, and the detailed description is as follows:

First of all, please observe from Figure 1 to Figure 3, which contains: a power ratchet wrench (10), a fixed sleeve (20), a spring (30), a movable sleeve (40), an adjustment piece (50) ), first gear screw (60) And an adapter (70), wherein the power ratchet wrench (10) has a wrench body (11) and an outer sleeve (12) arranged behind the wrench body (11), the wrench body (11) A ratchet mechanism (not shown in the figure) and a driving head (13) are arranged in the head end. The driving head (13) is inserted into the wrench body (11) and extends out the outer sleeve ( A transmission shaft (14) of 12) is connected, and a pneumatic tool (80) or an electric tool is connected through the transmission shaft (14) through the adapter (70), and the pneumatic tool (80) or The motor of the electric tool drives the driving head (13) to rotate, and the driving head (13) is equipped with a reversing knob (not shown in the figure), so that the driving head (13) can use the reversing dial The switch of the button achieves the effect of being reversed by the ratchet mechanism, and the outer periphery of the outer sleeve (12) is provided with a threaded section (15), the fixed sleeve (20), the spring (30) and the movable The sleeve (40) is sequentially placed on the outer tube (12) from back to front, and then the fixed sleeve (20) is threaded with the outer tube (12) through a roller (16). In combination, the step edges (21) (41) protruding on the fixed sleeve (20) and the movable sleeve (40) are used to provide the two ends of the spring (30) as abutting, which will make the spring (30) ) Can be compressed or released along with the translation of the movable sleeve (40), so that the wrench body (11) can obtain different torques, the adjusting member (50) has a rotating ring (51), the The rotating ring (51) is combined with an adjusting screw (52) set on the threaded section (15), and the adjusting screw (52) is used to resist the rear end of the movable sleeve (40), and the rotating ring The expansion of (51) can be used for manual rotation, so that the movable sleeve (40) can produce forward and backward translation along with the synchronous rotation of the rotating ring (51) and the adjusting screw (52), and the blocking screw (60) It is screwed on the threaded section (15) on the rear side of the adjusting screw (52), so that the maximum adjustment distance of the adjusting piece (50) is set by the change of the locking position of the blocking screw (60) , The adapter (70) is provided with an internal threaded hole (71) and an external threaded portion (72), so that the adapter (70) can be locked on the outer sleeve with the internal threaded hole (71) After the threaded section (15) of (12) is installed, the external threaded part (72) is used to provide pneumatic tools (80), electric tools or handles (90) for manual use (please also observe from Figure 5) (Of) to be the receiver.

The present invention provides a power ratchet wrench structure, wherein the rotating ring (51) and the adjusting screw (52) are combined by the penetration of a bolt.

This creation provides a power ratchet wrench structure, wherein the rear end of the rotating ring (51) is provided with a scale (511) for indicating during adjustment.

In actual use, when the torque is to be adjusted, the rotating ring (51) is rotated, and the movable sleeve (40) is driven by the adjusting screw (52) to translate, so that the movable sleeve (40) and the fixed The distance between the two ends of the spring (30) can be changed by the distance between the two ends of the spring (30). In this way, the wrench body (11) can be used. The torque value can be changed synchronously to meet the needs of different occasions or uses.

With the structure of the above specific embodiment, the following benefits can be obtained: (1) The torque of the power ratchet wrench (10) is adjustable, so that the power ratchet wrench (10) can be described according to actual use requirements The most appropriate adjustment of the torque value, so as to avoid the restrictions on the use; (2) The outer side of the adjusting screw (52) is combined with a rotating ring (51), so that the adjusting piece (50) can use the rotating ring (51) The enlargement of) is used by hand rotation. In this way, the convenience of adjustment can be greatly improved, without the need for additional tools to drive the adjustment screw (52) as a screw; (3) the adjustment piece (50) The adjustment distance of) can be changed by using the different locking positions of the retaining screw (60), which will be more flexible in use.

To sum up, this creation has indeed achieved a breakthrough structural design, and has improved creation content, while at the same time it can achieve industrial utilization and progress. Moreover, this creation has not been seen in any publications, and it is also novel. In accordance with the relevant provisions of the Patent Law, Yan filed a new patent application in accordance with the law, and I implore the Jun Bureau review committee to grant legal patent rights.

Only the above is only one of the preferred embodiments of this creation. When it is not possible to use It limits the scope of implementation of this creation; that is, all equal changes and modifications made in accordance with the scope of the patent application for this creation shall still fall within the scope of the patent for this creation.

(10): Power ratchet wrench

(11): Wrench body

(12): Outer tube

(13): Drive head

(14): Drive shaft

(15): Thread section

(16): Roller

(20): Fixed sleeve

(21): Step Edge

(30): Spring

(40): Activity set

(41): Step Edge

(50): Adjusting parts

(51): Rotating ring

(511): scale

(52): Adjusting screw

(60): retaining screw

(70): Adapter

(71): Internal threaded hole

(72): External thread

Claims (3)

A power ratchet wrench structure, which includes: a power ratchet wrench, a fixed sleeve, a spring, a movable sleeve, an adjustment piece, a retaining screw and an adapter, in which: The power ratchet wrench has a wrench body and an outer sleeve arranged behind the wrench body. The head end of the wrench body is provided with a ratchet mechanism and a driving head, and the driving head is inserted in the wrench body. And a transmission shaft extending out of the outer sleeve is connected for connection, and a pneumatic tool or an electric tool is connected through the transmission shaft through the adapter, and the motor of the pneumatic tool or the electric tool can be used to drive the drive The head rotates, and the driving head is equipped with a reversing button, and the outer circumference of the rear section of the outer sleeve is provided with a threaded section, and the fixed sleeve, spring and movable sleeve are sequentially sleeved on the outer sleeve from back to front After the tube is installed, the fixed sleeve is combined with the outer sleeve through the penetration of a roller, and the two ends of the spring are provided by the protruding step edges of the fixed sleeve and the movable sleeve for abutment , The spring can be compressed or released with the translation of the movable sleeve, so that the wrench body can obtain different torques; the adjusting member has a rotating ring, and the rotating ring is combined with a screw set in The adjusting screw on the threaded section uses the adjusting screw against the rear end of the movable sleeve, and the expansion of the rotating ring is provided for manual use, so that the movable sleeve can follow the rotation of the rotating ring and the adjusting screw. Synchronous rotation produces forward and backward translation; The stop screw is screw-locked on the threaded section on the rear side of the adjusting screw, so that the maximum adjustment distance of the adjustment piece is set by the change of the locking position of the stop screw; The adapter is provided with an internal thread hole and an external thread part, so that the adapter can use the internal thread After the hole is locked on the threaded section of the outer sleeve, the external threaded part is used to provide a pneumatic tool, an electric tool or a handle for manual use as a connection. The power ratchet wrench structure according to claim 1, wherein the rotating ring and the adjusting screw are combined by the penetration of the bolt. The power ratchet wrench structure according to claim 1, wherein the rear end of the rotating ring is provided with a scale for indicating during adjustment.

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