TWM515935U - Assembled ratchet wrench - Google Patents

Description

Combined ratchet wrench

This creation is related to a hand tool, especially a combined ratchet wrench.

The ratchet wrench that is commonly used in the market is integrally formed by forging, which is difficult to process and costly. Therefore, there is another type of ratchet wrench, which is a "wrench structure" of the patent publication No. M473279, which has a ratchet wrench. The main body has a receiving hole, the receiving hole includes a large diameter section, an intermediate section and a small diameter section, and the large diameter section is provided with a ratchet, and the middle section accommodates a spine a tooth block, and the ratchet block is engaged with the ratchet wheel; further, the small diameter section is provided with a dialing member, the dialing member is pivotally disposed on the body, and the dialing member is provided with an elastic member And an abutting member that can be pushed in the direction of the ratchet block. In addition, the wrench further has two panels, and the panels are respectively locked on the upper surface and the lower surface of the wrench, thereby being By rotating the dialing member, the abutting member is placed at different positions of the ratchet block, so that the ratchet block limits the ratchet to only one-way rotation, and can tighten the bolt or the screw. Or loosening the action, and the ratchet wrench is composed of the body and These panels are assembled, which is easy to process and easy to assemble, and can greatly reduce production costs.

The above-mentioned other type of ratchet wrench can greatly reduce the production cost while maintaining a certain effect. However, the creator of this case has used the long-term use and development of the ratchet wrench. Now, due to the simple structure and low strength of the ratchet block, the ratchet wrench can not withstand excessive torque and collapsing or damage under the driving of a large torque, thereby causing the ratchet wrench to have The shortcomings of low torque and easy damage are recognized. After observing the above shortcomings, the creator believes that there is still a need for further improvement of the ratchet wrench.

The main purpose of this creation is to provide a combined ratchet wrench which has a simple assembly method and can greatly reduce the production cost, and can withstand a large torque drive, and has a high torque value.

In order to achieve the above object, the present invention provides a combined ratchet wrench comprising: a frame having a head, a neck and a handle, the end of the handle extending the neck And the head portion, wherein the frame body is formed with a first receiving groove at the head portion, wherein the frame body is formed with a second receiving groove at the neck portion, and the first receiving groove is coupled to the second receiving portion The slot is connected to each other; a ratchet is disposed in the first pocket, and the peripheral wall of the ratchet is provided with a plurality of ratchets; a fixed seat is disposed in the second pocket, and the fixture is oriented A pair of pivoting grooves are formed on the side wall of the first receiving groove; a second blocking piece group, each of the blocking piece sets has a blocking piece, and one end of each of the blocking pieces is pivotally disposed in the pivoting groove respectively. The other end has a tooth portion corresponding to the ratchet tooth, and one elastic member is disposed on one side of each of the baffle; a reversing member is disposed between the baffles, and the reversing member The two sides are respectively abutted by the other side of each of the flaps; the two cover plates are respectively locked on the lower two sides of the frame.

The combination ratchet wrench provided by this creation can be separated by the design of each component, which makes the creation of a simple assembly method, and can greatly reduce the production cost, and the design of the double-block set makes the creation Can withstand large torque drives with high torque Value and further increase the service life of the ratchet wrench.

100‧‧‧Combined ratchet wrench

200‧‧‧ pivotal parts

10‧‧‧ frame

11‧‧‧ head

12‧‧‧ neck

13‧‧‧ handle

14‧‧‧First slot

15‧‧‧Second capacity

16‧‧‧ Missing slots

17‧‧‧fixed slot

20‧‧‧ratchet

21‧‧‧ ratchet

22‧‧‧Operation Department

30‧‧‧ Fixed seat

31‧‧‧ pivot slot

32‧‧‧First Positioning Department

40‧‧‧Face set

41‧‧‧Block

42‧‧‧ teeth

43‧‧‧Flexible parts

50‧‧‧Reversing parts

51‧‧‧Rotary block

52‧‧‧Cylinder

521‧‧‧ pivoting slot

53‧‧‧ Periphery

531‧‧‧ oblique side

532‧‧‧Arc Department

60‧‧‧ cover

61‧‧‧Opening

62‧‧‧Second Positioning Department

63‧‧‧through hole

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

Figure 2 is an exploded view of a preferred embodiment of the present invention.

Figure 3 is a top plan view of a preferred embodiment of the present invention.

Figure 4 is a partial cross-sectional view of a preferred embodiment of the present invention.

Figure 5 is a schematic illustration of the use of a preferred embodiment of the present invention.

Referring to FIG. 1 , FIG. 2 , FIG. 3 , and FIG. 4 , a perspective view, an exploded view, a top view and a partial cross-sectional view of a preferred embodiment of the present invention are disclosed, and a combined ratchet wrench 100 is disclosed. Its system contains:

a frame body 10 having a head portion 11, a neck portion 12 and a handle portion 13 extending from one end of the handle portion 13 and the head portion 11, and the frame body 10 is A first receiving groove 14 is formed in the head portion 11 , and a second receiving groove 15 is formed in the neck portion 12 , and the first receiving groove 14 is connected to the second receiving groove 15 . In addition, the material of the frame 10 is a plastic.

A ratchet wheel 20 is disposed on the first receiving groove 14 , and a plurality of ratchet teeth 21 are disposed on the peripheral wall of the ratchet wheel 20 , and an operating portion 22 is respectively protruded from the upper and lower sides of the ratchet wheel 20 .

A fixing base 30 is disposed on the second receiving slot 15 , and the fixing base 30 is recessed toward the side wall of the first receiving slot 14 to define a pair of pivoting slots 31. In the preferred embodiment of the present invention The inner peripheral wall of the frame body 10 is respectively recessed with a notch 16 on two sides of the fixing base 30, The first positioning portion 32 is protruded from the top surface and the bottom surface of the fixing base 30. The first positioning portion 32 is disposed on the top surface and the bottom surface of the fixing base 30. The part 32 is a block.

The two shutter sets 40 each have a blocking piece 41, one end of each of the blocking pieces 41 is pivotally disposed on the pivoting groove 31, and the other end has a corresponding ratchet 21 A toothed portion 42 and an elastic member 43 are disposed on one side of each of the flaps 41. In the preferred embodiment of the present invention, the inner peripheral wall of the frame body 10 is provided with a fixing corresponding to each elastic member 43. a groove 17 for fixing the elastic members 43 and reducing the sway or offset of the elastic members 43 when they are pushed against, so that the elastic force output of the elastic members 43 is stabilized, and the elastic member 43 is a spring.

A reversing member 50 is disposed between the blocking pieces 41, and the two sides of the reversing member 50 are respectively abutted by the other side of each of the blocking pieces 41, which is preferably implemented in the present invention. In the example, the reversing member 50 has a rotating block 51. One end of the rotating block 51 extends from a column 52, and the other side of each of the flaps 41 is elasticized by the elastic member 43. The peripheral edge 53 of the cylinder 52 has a beveled portion 531 and a circular arc portion 532. The cylindrical portion 52 is provided with a pivoting groove 521.

The two cover plates 60 are respectively locked on the upper two sides of the frame body 10, and one of the cover plates 60 is provided with an opening 61 corresponding to the column body 52, and a pivoting member is disposed in the opening hole 61. 200, wherein the reversing member 50 is pivoted on the pivoting member 200, and the cover plate 60 is respectively provided with a second positioning portion 62 corresponding to the first positioning portion 32 for the first The positioning portion 32 is fastened to the second positioning portion 62. Further, the cover plates 60 are respectively provided with a through hole 63 corresponding to the operation portion 22. In the preferred embodiment of the present invention, the second positioning portion 62 It is a card-hole.

For further understanding of the structure of the creation, the use of technical means and expected The effect of this work, I will describe the use of this creation, I believe that you can have a deeper and more specific understanding of this creation, as follows:

Please refer to FIG. 5 for a schematic view of the preferred embodiment of the present invention, and please refer to FIGS. 1 to 4 again. In the unused state, the rotating block 51 is not deflected. The flaps 41 are abutted against the arcuate portion 532 of the periphery 53 of the cylinder 52. As shown in FIG. 3, the teeth 42 of the flaps 41 are not engaged with the ratchets 21, When the user wants to operate the combined ratchet wrench 100, the rotating block 51 is turned in a clockwise direction, and the rotating block 51 is rotated to drive the column 52 to rotate, so that the circular arc of the cylinder 52 The portion 532 is biased toward one of the flaps 41, and one of the beveled portions 531 of the post 52 is biased toward the other flap 41. As shown in FIG. 5, one of the flaps 41 still abuts against the periphery 53. The arc portion 532 is maintained in an unused state, the tooth portion 42 is not engaged with the ratchet teeth 21, and the other flap 41 is rotated by the column 52, so that the flap 41 receives the elastic member. When the elastic force of 43 is pushed against the oblique side portion 531 of the peripheral edge 53, the tooth portion 42 of the blocking piece 41 is engaged with the ratchet teeth 21, and when the user rotates the group counterclockwise When the ratchet wrench 100 is engaged, the blocking piece 41 engaged with the ratcheting teeth 21 is compressed by the combined ratchet wrench 100 when the counterclockwise rotation of the ratcheting wrench 100 is applied by the force of the toothing portion 42 to compress the elastic member 43. The ratcheting teeth 21 are slid open by the tooth portion 42, so that the combined ratchet wrench 100 is in an idling state, and when the user rotates the combined ratchet wrench 100 in a clockwise direction, the force is rotated by the clockwise direction. The elastic members 43 pre-stored the same elastic force direction, so that the ratchet teeth 21 are tightly engaged with the tooth portions 42 without slipping, that is, the combined ratchet wrench 100 can only drive the ratchet wheel when rotating in the clockwise direction. Similarly, when the user dials the rotating block 51 counterclockwise, the combined ratchet wrench 100 can only drive the operating portion 22 of the ratchet 20 when rotated in the counterclockwise direction, thereby By dialing the rotating block 51, The user can only actuate the drive portion 22 of the ratchet 20 in a single direction of rotation.

It is worth mentioning that the combined ratchet wrench 100 is assembled from the frame 10, the ratchet 20, the fixing base 30, the blocking piece set 40, the reversing element 50 and the cover plates 60. The utility model has the advantages of easy assembly, and the frame body 10 is formed by plastic injection molding, and the production cost can be greatly reduced.

It is worth mentioning that the combined ratchet wrench 100 is used to selectively engage the ratchet teeth 21 of the ratchet wheel 20 in the reversing direction, and the design of the double flap group 40 further strengthens the combination. The structure of the ratchet wrench 100 can withstand a large torque drive and has a high torque value.

It is worth mentioning that the first positioning portion 32 of the fixing base 30 is fastened to the second positioning portion 62 of the cover plate 60, which can position the fixing base 30 and improve the strength of the combined ratchet wrench 100. .

Hereby, the characteristics of this creation and its achievable expected effects are stated as follows:

The combined ratchet wrench 100 of the present invention has a simple design of the components through the separate design of the components, and can greatly reduce the production cost, and the design of the double-block 40 can make the creation With a large torque drive, it has a higher torque value and further increases the service life of the ratchet wrench.

In summary, this creation has its excellent progress and practicality in similar products. At the same time, it has investigated the technical information about such structures at home and abroad. The same structure has not been found in the literature. This creation has already possessed new types of patent requirements, and applied for it according to law.

However, the above-mentioned ones are only one of the preferred embodiments of the present invention, so the equivalent structural changes that apply to the scope of the present application and the scope of the patent application should be included in Within the scope of this creation's patent.

100‧‧‧Combined ratchet wrench

200‧‧‧ pivotal parts

10‧‧‧ frame

11‧‧‧ head

12‧‧‧ neck

13‧‧‧ handle

14‧‧‧First slot

15‧‧‧Second capacity

16‧‧‧ Missing slots

17‧‧‧fixed slot

20‧‧‧ratchet

21‧‧‧ ratchet

22‧‧‧Operation Department

30‧‧‧ Fixed seat

31‧‧‧ pivot slot

32‧‧‧First Positioning Department

40‧‧‧Face set

41‧‧‧Block

42‧‧‧ teeth

43‧‧‧Flexible parts

50‧‧‧Reversing parts

51‧‧‧Rotary block

52‧‧‧Cylinder

60‧‧‧ cover

61‧‧‧Opening

62‧‧‧Second Positioning Department

63‧‧‧through hole

Claims (9)

The utility model relates to a combined ratchet wrench, which comprises: a frame body having a first receiving groove, a second receiving groove is arranged on one side of the first receiving groove, and the first receiving groove is connected to the first receiving groove The two pockets are connected to each other; a ratchet is disposed in the first pocket, and the peripheral wall of the ratchet is provided with a plurality of ratchets; a fixed seat is disposed in the second pocket, and the fixing a pair of pivoting grooves are formed on the side wall of the first receiving groove; the second blocking piece group has a blocking piece, and one end of each of the blocking pieces is pivotally connected to the pivoting a groove, the other end has a tooth corresponding to one of the ratchet teeth, and one elastic member is disposed on one side of each of the baffles; a reversing member is disposed between the baffles, and the The two sides of the reversing member are respectively abutted by the other side of each of the blocking pieces; the two cover plates are respectively locked on the lower two sides of the frame. The combination ratchet wrench according to the first aspect of the invention, wherein the inner peripheral wall of the frame body is respectively recessed with a notch on two sides of the fixing seat, so that the fixing seat can be placed in the second capacity. The slot is engaged with the slot. The combination ratchet wrench according to claim 1, wherein the inner peripheral wall of the frame is provided with a fixing groove corresponding to each elastic member for fixing the elastic members. The combination ratchet wrench according to claim 1, wherein the frame is made of a plastic material. The combination ratchet wrench according to the first aspect of the invention, wherein the two sides of the ratchet are respectively provided with an operation portion, and the cover plates respectively provide a communication corresponding to the operation portion. hole. The combination ratchet wrench according to claim 1, wherein the reversing member has a rotating block, one end of the rotating block extends with a cylinder, and the other side of each of the blocks The edge is pressed against the circumference of the cylinder by the elastic force of the elastic member, and the periphery has two oblique portions and a circular arc portion, and the column system is provided with a pivoting groove, and further, one of the covers The plate body is provided with an opening corresponding to the column body, and a pivoting member is disposed on the opening for the pivoting member to pivot on the pivoting member. The combination ratchet wrench of claim 1, wherein the elastic member is a spring. The combined ratchet wrench of the first aspect of the invention, wherein the top surface and the bottom surface of the fixing base are respectively provided with a first positioning portion, and the cover plates are respectively provided with a first positioning portion Second positioning portion. The combination ratchet wrench according to claim 8 , wherein the first positioning portion is a block, and the second positioning portion is a locking hole, and the card block can be locked in the Card hole.