TWM452040U - Stopping structure of ratchet wrench - Google Patents

Description

Ratchet wrench stop structure

The present invention provides a ratchet wrench stop structure, especially at the ratchet head of a ratchet wrench, which can make the ratchet head shrink and the ratchet wrench rotates more accurately and stably.

Pressing, the ratchet wrench is a common and widely used hand tool, which is usually formed by the head end of the wrench body forming a mouth for receiving the ratchet gear, and the near elliptical or gourd shaped chamber for accommodating the two teeth. One end of the latching block forms a rotating shaft, which can be inserted into the inner wall of the inner chamber and engage the other end of the two latching blocks with the peripheral surface of the ratchet gear, so that one side of the two latching blocks respectively abuts against the inner wall of the inner chamber and a spring Further, the outer wall of the head end of the wrench body has a button which extends into the chamber and is located between the two latching blocks. However, since the chamber of the ratchet wrench is elliptical or gourd shaped, the holding capacity is maintained. The thickness of the inner wall of the chamber, the appearance of the head end of the wrench body is forced to expand outwards in order to ensure sufficient thickness of the inner wall of the chamber to have sufficient torque; in addition, in the case of poor economy, consumers and The buyer's requirements for the appearance of the product are getting higher and higher. It is expected that the operator can reduce the appearance of the ratchet wrench ratchet head and reduce the volume of the overall ratchet wrench, and maintain the original torque of the ratchet wrench.

Therefore, how to develop and improve the shortcomings of the above-mentioned common ratchet wrench is indeed the goal of the relevant industry to develop and research, and this creator is in view of this, The idea of creation and creation, which has been developed and designed with many years of experience, has been explored and tested by many parties, and has been revised and improved many times.

In view of the large appearance of the ratchet wrench on the head, the overall ratchet wrench is so large that it affects the overall operational efficiency and visual perception. How to develop and design the ratchet head of the ratchet wrench, and then reduce the overall ratchet The size of the wrench and the original torque of the ratchet wrench are the most important tasks in the industry.

The present invention provides a ratchet wrench stop structure, which is formed with a first receiving groove for receiving a ratchet and a second receiving groove for accommodating a dialing member at a front end of the wrench body, the second receiving groove being close to The shank has a diameter smaller than the first receiving groove, and the second receiving groove is provided with a positioning hole near the shank, the positioning hole can accommodate a stop bead and a spring, and the stop bead and the spring top are offset a curved surface at one end of the movable member, wherein a blocking groove for accommodating the latching block is formed between the first receiving slot and the second receiving slot, the blocking slot is formed with two side retaining walls, and the first receiving body is formed The slot is in communication with the second pocket, and the two sides of the latching block have a blocking surface, and one end of the latching tooth and the peripheral surface of the ratchet are mutually toothed and the other end is sleeved in the groove of the other end of the dialing member, so that The dial member rotates left and right in the second receiving groove to control the latching block to be displaced left and right in the stopping groove to control the forward and reverse rotation of the ratchet wrench, and the main feature is that the two sides of the latching block are The blocking surface and the two side retaining walls of the stopping groove are all flat, and the two side retaining walls are tapered from the first receiving groove to the second receiving groove. Distance; With the above construction, when the When the latching block is displaced left and right in the stopping groove, the latching block can obtain a more accurate and stable blocking effect, and can reduce the head end of the wrench body to be a practical purpose.

Since the two sides of the latching block of the present invention and the two side retaining walls of the retaining groove are flat, the two side retaining walls of the retaining groove can be retracted, and the ratchet head of the wrench body can be effectively reduced. The appearance and volume of the part, and the two side retaining walls still maintain a certain thickness, so that the clamping block can withstand the torque when the force is applied, and maintain the original torque function of the ratchet wrench.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please refer to the following [examples of the drawings] for detailed explanations. For details, please refer to the first to fourth figures. The present invention provides a ratchet wrench stop structure, which is formed at the head end of the wrench body (10) with a first receiving groove (20) for accommodating the ratchet (21) and a receiving dial (31). a second pocket (30), the second pocket (30) is adjacent to the handle and has a smaller diameter than the first pocket, and the second pocket (30) is provided with a positioning hole (32) near the handle The positioning hole (32) can accommodate a stop bead (33) and a spring (34), and the stop bead (33) and the spring (34) abut against the arc surface of one end of the dial member (31) ( 31 2), wherein a blocking groove (40) for accommodating the latching block (41) is formed between the first receiving groove (20) and the second receiving groove (30), and the stopping groove (40) is formed with a two-side retaining wall (44), and the first receiving slot (20) is in communication with the second receiving slot (30), the latching block (41) has a blocking surface (45) on one side and one end thereof The peripheral surface of the ratchet wheel (21) is mutually toothed and the other end is sleeved in the groove (311) at the other end of the dialing member (31), so that the dialing member (31) is in the second receiving slot (30). Rotating inside and outside to control the latching block (41) to shift left and right in the stopping groove (40) to control the forward and reverse rotation of the ratchet wrench, the main feature of which is that the latching block (41) has two sides The blocking surface (45) and the two side retaining walls (44) of the stopping groove (40) are all planar, and the two side retaining walls (44) are from the first receiving groove (20) to the second receiving groove ( 30) The direction forms a tapered relative distance; by the above structure, when the latch block (41) is displaced left and right in the stop groove (40), the latch block (41) can be more accurately and stably The utility model has the purpose of blocking the effect and making the head end of the wrench body (10) smaller.

With the structure of the above specific embodiment, the following benefits can be obtained: when the stop bead (33) is abutted against the arc surface (312) of the dial member (31) by the spring force of the spring (34), When the hand toggles the dial member (31) to rotate in the other direction from one direction, the tapered surface of the dial member (31) presses the stop bead (33), and the stop bead (33) receives the spring. The spring force of (34) is displaced so that the stop bead (33) can abut against the arc surface (312) of the other side; meanwhile, when the dial member (31) is rotated, the latch block is driven ( 41) The blocking surface (45) abuts against one of the side retaining walls (44) of the stopping groove (40), because the blocking surface (45) of the engaging block (41) And the blocking wall (44) of the stopping groove (40) is flat, so that when the clamping block (41) is stressed, the torsion force can be received by the blocking wall (44); The two side retaining walls (44) of the slot (40) are retracted, and the straps effectively reduce the appearance and volume of the ratchet head of the wrench body (10), and maintain the thickness of the two side retaining walls (44) while maintaining The original torque function of the ratchet wrench.

In summary, the present creative system can be easily implemented by those skilled in the art, but the above is only a preferred embodiment of the present invention, and cannot be limited by this creative implementation. The scope of the application; that is, the equivalent changes and modifications made by the applicant in accordance with the scope of the patent application for this creation shall remain within the scope of this creation patent.

(10) ‧ ‧ wrench body

(20) ‧‧‧first pocket

(21)‧‧‧ ratchet

(30) ‧ ‧ second pocket

(31) ‧‧‧3⁄2

(311)‧‧‧ Groove

(312)‧‧‧Arc face

(32)‧‧‧Positioning holes

(33) ‧‧‧stop beads

(34) ‧ ‧ spring

(40) ‧‧‧stop groove

(41)‧‧‧Knife block

(44) ‧ ‧ Guarding the wall

(45) ‧‧ ‧ facing

The first picture is a three-dimensional combination of the creation.

Figure 2 is an exploded view of the creation.

Figure 3 is a cross-sectional view of the creation (1).

Figure 4 is a cross-sectional view of the creation (2).

(10) ‧ ‧ wrench body

(20) ‧‧‧first pocket

(21)‧‧‧ ratchet

(30) ‧ ‧ second pocket

(31) ‧‧‧3⁄2

(311)‧‧‧ Groove

(312)‧‧‧Arc face

(32)‧‧‧Positioning holes

(33) ‧‧‧stop beads

(34) ‧ ‧ spring

(40) ‧‧‧stop groove

(41)‧‧‧Knife block

(44) ‧ ‧ Guarding the wall

(45) ‧‧ ‧ facing

Claims (1)

The latching structure of the ratchet wrench is formed on the head end of the wrench body to form a first receiving groove for receiving the ratchet and a second receiving groove for accommodating the dialing member, the second receiving groove is close to the handle and has a diameter The locating hole is disposed at a position closer to the first shank, and the locating hole is disposed at a position of the shank. The locating hole can accommodate a stop bead and a spring. The stop bead and the spring abut the arc of one end of the ejector member. a blocking groove for accommodating the latching block is formed between the first receiving slot and the second receiving slot, the blocking slot is formed with two side retaining walls, and the first receiving slot and the second receiving slot are formed The slot is in a communicating manner, and the two sides of the latching block have a blocking surface, and one end of the latching tooth and the peripheral surface of the ratchet are mutually toothed and the other end is sleeved in the recess of the other end of the dialing member, so that the dialing member is The second receiving groove rotates left and right to control the latching block to shift left and right in the stopping groove to control the forward and reverse rotation of the ratchet wrench, and the main feature is: the blocking surface on the two sides of the latching block and the block The two side retaining walls of the retaining groove are all flat, and the two side retaining walls form a tapered relative distance from the first receiving groove to the second receiving groove; Said structure, when the latch block is about to shift the stop groove, the latch block can be obtained more accurately stop the solid effect, and allows for practical purposes by the head end of the wrench body is more reduced.