TWM588608U - Ratchet wrench improvement - Google Patents

Abstract

An improved ratchet wrench has a shank and a first accommodating groove is provided at the working end; the first accommodating groove is in the form of a circular groove passing therethrough, and a first retaining ring groove in the shape of a circular groove is provided near the opening, and one A second receiving slot is provided at the side near the handle; the second receiving slot is in communication with the first receiving slot, its diameter is smaller than the diameter of the first receiving slot, and the center of the circle is within the range of the first receiving slot, and the inside has a curved shape The inner circumferential surface of the receiving groove; the inner pivot of the first receiving groove is provided with a ratchet wheel, and the outer periphery of the ratchet wheel is provided with a ratchet portion of an annular arrangement of teeth; the ratchet wheel is provided with a convex ring portion opposite to the first retaining ring groove The part is accommodated in the first retaining ring groove, so that the ratchet is pivotally arranged at the first receiving groove; through the structure of the convex ring part, the elastic retaining ring is avoided to be embedded in the first retaining ring groove, thereby improving production efficiency and reducing production Cost-effectiveness.

Description

Ratchet wrench improvement

This creation relates to an improvement of a ratchet wrench. With the structure of the convex ring portion of the ratchet, it is avoided to use an elastic retaining ring to be embedded in the first retaining ring groove, thereby improving production efficiency and reducing production cost.

Press, most of the ratchet wrenches of today, as shown in FIGS. 1 and 2, when the ratchet 90 is fitted in the accommodating groove 1001 at the working end of the ratchet wrench 100, the buckle groove 91 of the ratchet 90 must be fitted through the elastic buckle 92, thereby The pivot is fixed in the accommodating groove 1001 of the ratchet wrench 100 to achieve the purpose of pivoting.

However, in the above-mentioned conventional ratchet wrench 100, during processing and production, a matching elastic buckle 92 must be additionally manufactured, and the ratchet 90 also needs to be turned into a buckle groove 91 that cooperates with the elastic buckle 92 to achieve assembly. The effect of accommodating groove 1001 at the working end of ratchet wrench 100.

Therefore, in view of the above-mentioned problems of the conventional ratchet wrench, how to develop an innovative structure with more ideal and practicality, and to use the eager expectations of consumers, is also the goal and direction of the relevant industry to work hard to develop breakthroughs.

The main purpose of this creation is to provide an improvement of a ratchet wrench, including: a wrench body with a shank, and a first receiving slot is provided at the acting end; the first receiving slot is formed through A circular groove, a first retaining ring groove in the shape of a circular groove is provided near the opening, and a second receiving groove is provided near the handle on one side; the second receiving groove is in communication with the first receiving groove , The diameter is smaller than the diameter of the first receiving groove, and the center of the circle is located within the range of the first receiving groove, the inside has an arc-shaped inner peripheral surface of the receiving groove; a ratchet is pivotally arranged in the first receiving groove In the groove, a ratchet portion of an annular arrangement of teeth is provided on the outer periphery of the ratchet; the ratchet is provided with a convex ring portion opposite to the first buckle groove, and the convex ring portion is accommodated on the first buckle In the ring groove, the ratchet is pivotally arranged at the first receiving groove.

The second purpose of this creation is to provide an improvement of a ratchet wrench, wherein the second receiving slot is provided with a third receiving hole leading to the top surface of the wrench body; two ratchet blocks in the shape of a meniscus are assembled In the second accommodating groove, the two ratchet blocks corresponding to the side of the ratchet portion are respectively provided with a plurality of ratchet teeth. The two ratchet blocks are different from the side of the plurality of ratchet teeth and are respectively provided with a concave arc slot; A toggle member arranged in the third receiving hole, the toggle member is convexly provided with a convex portion, the convex portion is accommodated in the two concave arc grooves, and the convex portion is provided with a long groove; An elastic element is arranged in the elongated groove, and two abutting rods are formed at the front end of the elastic element, and the two abutting rods respectively abut against the two ratchet blocks in the two concave arc grooves; with the above structure, the toggle member The direction of rotation regulation can change the position of the elastic element against the two ratchet blocks, thereby changing the direction of idling or transmission of the ratchet to form a bidirectional ratchet wrench.

Another purpose of this creation is to provide an improvement of a ratchet wrench, in which a tooth making is accommodated against one side of the second receiving groove, and a plurality of occlusal teeth are provided on one side of the tooth making, the The tooth making is different from the side of the bite tooth, forming a contact surface; a spring is accommodated in the second accommodating groove, one end of the spring is elastically pressed against the inner circumferential surface of the accommodating groove of the second accommodating groove, and the other One end is elastically pressed against the contact surface of the tooth making, so that the bite tooth and the ratchet part are engaged with each other; a restricting piece is accommodated in In the second accommodating groove of the wrench body, the restricting member abuts on the inner circumferential surface of the accommodating groove and the contact surface of the tooth making; by the above structure, the ratchet wheel is controlled to rotate or drive in one direction to Make up a one-way ratchet wrench.

Regarding the techniques, means and functions used in this creation, the preferred embodiments are described in detail in conjunction with the drawings. It is believed that the above-mentioned purposes, structures and features of this creation can be gained an in-depth and specific understanding.

〔This creation〕

1‧‧‧Wrench body

10‧‧‧handle

11‧‧‧The first container

111‧‧‧The first buckle groove

12‧‧‧Second container

121‧‧‧Inner peripheral surface

13‧‧‧third hole

20‧‧‧ratchet

21‧‧‧Ratchet

22‧‧‧Convex ring

30‧‧‧ratchet block

31‧‧‧ Ratchet

32‧‧‧Concave arc slot

40‧‧‧push button

41‧‧‧Convex

411‧‧‧Slotted slot

50‧‧‧Elastic element

51‧‧‧Reject

60‧‧‧Tooth making

61‧‧‧bite teeth

62‧‧‧Contact surface

70‧‧‧Spring

80‧‧‧Restriction

[Learning part]

90‧‧‧ratchet

91‧‧‧Groove groove

92‧‧‧Elastic buckle

100‧‧‧ratchet wrench

1001‧‧‧accommodation slot

Figure 1 is a three-dimensional exploded view of the conventional creation.

FIG. 2 is a schematic diagram of an implementation of a ratchet buckle groove and an elastic buckle of conventional creation.

Figure 3 is an exploded perspective view of the two-way ratchet wrench of this creation.

Figure 4 is a front view of the ratchet of this creation.

FIG. 5 is a schematic cross-sectional view of the ratchet wheel and the first retaining ring groove of this creation.

Fig. 6 is a schematic diagram of the operation of the toggle piece of this creation.

Fig. 7 is an overall perspective view of the two-way ratchet wrench of this creation.

Figure 8 is a perspective exploded view of the one-way ratchet wrench of this creation.

Figure 9 is a schematic cross-sectional view of the one-way ratchet wrench of this creation.

Please refer to FIG. 3 and FIG. 8, the present invention provides an improved ratchet wrench, including: a wrench body 1 with a handle 10, and a first receiving groove 11 is provided at the working end; the first receiving groove 11 is It is in the form of a circular groove passing through, a first buckle groove 111 in the shape of a circular groove is provided near the opening, and a second receiving groove 12 is provided on one side near the handle 10; The second accommodating groove 12 is in communication with the first accommodating groove 11, its diameter is smaller than the diameter of the first accommodating groove 11, and the center of the circle is located within the range of the first accommodating groove 11, with an arc shape inside An inner peripheral surface 121 of the receiving groove; a ratchet 20 pivotally disposed in the first receiving groove 11; an outer peripheral edge of the ratchet 20 is provided with a ring-shaped arrangement of ratchet portions 21; the ratchet 20 is provided with a first The buckle groove 111 is opposite to the protruding ring portion 22, and the protruding ring portion 22 is accommodated in the first buckle groove 111, so that the ratchet 20 is pivotally installed in the first accommodating groove 11.

Based on the above, please refer to FIG. 3 to FIG. 7 for the implementation of the two-way ratchet wrench of this creation. The second receiving slot 12 is provided with a third receiving hole 13 leading to the top surface of the wrench body 1; The shape of the ratchet block 30 is set in the second accommodating groove 12, the two ratchet blocks 30 correspond to the side of the ratchet portion 21, and are provided with a plurality of ratchet teeth 31 respectively, the two ratchet blocks 30 are different from the A plurality of ratchet teeth 31 are respectively provided with a concave arc groove 32 on one side; a toggle member 40 is set in the third accommodating hole 13, the toggle member 40 protrudes with a convex portion 41, and the convex portion 41 accommodates Set in the two concave arc slots 32, and the convex portion 41 is provided with a long slot 411; an elastic element 50 (for a spring) is disposed in the long slot 411, the front end of the elastic element 50 is formed with two Lever 51, the two resisting rods 51 respectively abut against the two ratchet blocks 30 in the two concave arc grooves 32; with the above structure, the rotation adjustment direction of the knob 40 can change the elastic element 50 to press the two ratchets The position of 20 pieces, and then change the idling or transmission direction of the ratchet 20 to achieve the purpose of bidirectional work.

Finally, for the implementation of the one-way ratchet wrench of this creation, please refer to FIG. 8 to FIG. 9, a tooth-making 60 is accommodated against the inner side of the second receiving slot 12, and the tooth-making 60 side is connected A plurality of biting teeth 61 are provided, and the tooth making 60 is different from the side of the biting teeth 61 and is formed with A contact surface 62; a spring 70 accommodated in the second accommodating groove 12, one end of the spring 70 is elastically pressed against the inner circumferential surface 121 of the accommodating groove of the second accommodating groove 12, and the other end is elastically pressed against the The contact surface 62 of the tooth making 60 makes the bite tooth 61 and the ratchet portion 21 mesh with each other; a restricting member 80 (in the shape of a ball, regular polyhedron or cylinder) is accommodated in the wrench body 1 In the second accommodating groove 12, the restricting member 80 abuts on the inner circumferential surface 121 of the accommodating groove and the contact surface 62 of the tooth making 60; with the above-mentioned structure, the ratchet 20 is controlled to idle in one direction or transmission.

With the structure of the protruding ring portion 22 of the ratchet 20 described above, it is avoided to use a conventional elastic buckle to fit into the first buckle groove 111, thereby improving production efficiency and reducing production costs.

The foregoing is a detailed description of the technical characteristics of this creation for the preferred embodiment of this creation; however, those who are familiar with this technology can make changes and modifications to this creation without departing from the spirit and principles of this creation. Such changes and modifications shall be covered by the scope defined by the scope of the patent application as follows.

1‧‧‧Wrench body

10‧‧‧handle

11‧‧‧The first container

111‧‧‧The first buckle groove

12‧‧‧Second container

121‧‧‧Inner peripheral surface

13‧‧‧third hole

20‧‧‧ratchet

21‧‧‧Ratchet

22‧‧‧Convex ring

30‧‧‧ratchet block

31‧‧‧ Ratchet

32‧‧‧Concave arc slot

40‧‧‧push button

41‧‧‧Convex

411‧‧‧Slotted slot

50‧‧‧Elastic element

51‧‧‧Reject

Claims (4)

An improved ratchet wrench includes: a wrench body with a shank, and a first accommodating groove is provided at the working end; the first accommodating groove is in the form of a circular groove penetrating, and a circular groove is provided near the opening A first retaining ring groove, and a second receiving groove is provided on one side near the handle; the second receiving groove is in communication with the first receiving groove, and its diameter is smaller than the diameter of the first receiving groove, and The center of the circle is located within the range of the first receiving groove, and has an inner circumferential surface of the receiving groove in the shape of a curved surface; a ratchet wheel is pivotally arranged in the first receiving groove, and a ring-shaped arrangement tooth is provided on the outer periphery of the ratchet wheel Ratchet part; the ratchet is provided with a convex ring part that is opposite to the first buckle groove, and the convex ring part is accommodated in the first buckle groove, so that the ratchet is pivotally arranged in the first container Slot. According to the improvement of the ratification wrench of item 1 of the patent application scope, wherein the second accommodating groove is provided with a third accommodating hole leading to the top surface of the body of the wrench; two ratchet blocks in the shape of meniscus are assembled on the first In the two holding slots, the two ratchet blocks correspond to the side of the ratchet portion, and are respectively provided with a plurality of ratchet teeth. The two ratchet blocks are different from the side of the plurality of ratchet teeth, and are respectively provided with a concave arc slot; a dial button Set in the third receiving hole, the knob has a convex part, the convex part is accommodated in the two concave arc grooves, and the convex part is provided with a long groove; an elastic element, Set in the elongated groove, the front end of the elastic element is formed with two abutting rods, and the two abutting rods respectively abut against the two ratchet blocks in the two concave arc grooves; with the above structure, the toggle member rotates to adjust the direction The position of the elastic element against the two ratchet blocks can be changed, thereby changing the direction of idling or transmission of the ratchet wheel to form a bidirectional ratchet wrench. According to the improvement of the ratchet wrench of item 1 of the patent application scope, one tooth making is accommodated against one side of the second receiving groove, and a plurality of occlusal teeth are provided on one side of the tooth making. A contact surface is formed on one side of the bite tooth; a spring is accommodated in the second accommodating groove, the spring One end resiliently abuts against the inner circumferential surface of the second groove, and the other end resiliently abuts the contact surface of the tooth making the bite teeth and the ratchet portion mesh with each other; a restricting member is accommodated in In the second accommodating groove of the wrench body, the restricting member abuts on the inner circumferential surface of the accommodating groove and the contact surface of the tooth making; by the above structure, the ratchet wheel is controlled to rotate or drive in one direction to Make up a one-way ratchet wrench. According to the improvement of the ratchet wrench of item 3 of the patent application scope, the restriction member is in the form of a ball, a regular polyhedron or a cylinder.

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