TWM473278U - Rotation fastening device of tool - Google Patents

Description

Tool rotation fixture

The invention relates to a rotary fixing device for a tool, which is a related application of a hand tool. The main feature is that when the working head of the hand tool is pivoted relative to the grip end, and the assembly or disassembly of the corresponding component is performed, the working head is transmitted through the working head. The mutual engagement area is increased with the grip to avoid the excessively small meshing area and the excessive concentration of the intermeshing tooth tip portions, thereby obtaining a longer service life of the product.

The socket wrench can be pivoted at an angle relative to the grip end in the design of the working head, so that the overall wrench can be adjusted from a horizontal shape to a right angle type, which is convenient for the user to use in any work place, such as the Republic of China patent notice number. M367057 "Pivot tool positioning device" includes a handle, a working head, a positioning device and a rotating member, the handle is provided with a receiving space for the positioning device, and a rotating member is arranged and accommodated The space-conducting screw hole, the positioning device comprises a spring and a pressing member, the resisting member is movable and protrudes from the receiving space to the working head to be elastically positioned, and the rotating member is provided with a The threaded positioning rod can be passed through the screw hole and the movable member; thereby, the rotating rotating member can position or disengage the pressing member through the threaded positioning rod to facilitate the angle adjustment of the working head.

The above-mentioned "pivoting tool positioning device" is one of the commonly used socket wrenches on the market. Although the working head can be swung relative to the handle by the setting of the positioning device to provide the user Disassemble screws and nuts in the case of limited space. However, in the cooperation of the positioning device and the working head, the engagement between the positioning convex portion of the abutting member and the positioning concave portion of the connecting seat has only two teeth. The number of meshing teeth allows the working head to be pivotally positioned relative to the handle, and the handle is driven to work. The action of the head causes the positioning concave portion and the positioning convex portion to repel the stress, so that the positioning convex portion of the resisting member is gradually worn due to the small number of meshing teeth, and the bending deformation is affected by the stress repelling the positioning concave portion. In addition, the wear and deformation of the positioning protrusions will also make the wrench unable to be accurately fixed, and the increase in the cost of subsequent maintenance or maintenance is lost. Therefore, the relevant industry must think about how to solve the problem and improve it to meet the public. usage of.

In view of the lack of the above-mentioned "pivoting tool positioning device", the creator has devoted a lot of time to research related knowledge, and compares various advantages and disadvantages, and carries out research and development of related products, and has undergone many experiments and tests. Finally, a "turning fixture for the tool" was finally introduced to improve the above-mentioned lack of description to meet the needs of the public.

According to the description of the prior art, the main purpose of the present invention is to reduce the stress generated by the joint between the working head and the grip end when the grip end is driven by the change of the number of meshing teeth. It can cause excessive wear and deformation between each other, and avoid maintenance and cost waste, thus improving the lack of conventional technology.

In order to achieve the above-mentioned purpose and effect of the present invention, a rotary fixing device for a tool includes: a handle having two lugs formed at one end thereof, and a pivot groove between the two lugs, the grip One side of the handle is adjacent to the position of the two lugs a lateral groove, and a communication hole communicating with the lateral groove on the bottom surface of the pivot groove; a working head having a joint portion at the pivot groove, and pivoting the two lugs with a rotating shaft The connecting portion has an arc shape on the outer side of the connecting portion and a passive tooth row disposed opposite to the bottom surface of the connecting hole; a control rod that slides on the lateral groove, and the control rod is provided with a groove corresponding to the communication hole And the groove is provided with a grooved surface facing the direction of one of the lugs; and a rod holder includes a positioning post penetrating the communication hole to be abutted by the inclined groove surface of the control rod, and an orientation The toothed disk portion of the passive tooth row, the toothed disk portion has a concave tooth row and two side tooth rows respectively located on two sides of the inner concave tooth row, the inner concave tooth row and the side tooth row line are arranged in a concave shape Engaged in the passive tooth row; and a spring sleeved on the positioning post, and the two ends of the spring respectively impinge between the toothed disc portion and the communication hole, the spring diameter being larger than the width of the inner concave tooth row. The creation is arranged in an arc shape and a passive tooth row through the joint portion of the working head, and the concave tooth row and the side tooth row of the rod seat are arranged in a concave shape, so that the creation can not be held in the locking working head. When the handle swings, there are indeed a large number of intermeshing teeth, so that the meshing area is increased, thereby achieving the above object and effect.

The rotational fixation device of the present authoring tool further includes the following technical features, wherein the inner concave tooth row and the two side tooth row are fully engaged with three consecutively arranged teeth in the passive tooth row. The two side tooth rows are further abutted to the tooth flanks on both sides of the three consecutively arranged teeth.

The rotation fixing device of the creation tool further includes an elastic member disposed on the lateral groove, and the elastic member respectively protrudes between the control rod and the lateral groove. Further comprising a spring having a communication hole in the positioning post, the two ends of the spring respectively between the toothed disc portion and the communication hole.

The rotation fixing device of the authoring tool has a large diameter hole at one end facing the coupling portion, and a small diameter hole at the other end of the communication hole communicates with the lateral groove. among them One end of the spring is elastically engaged with the large diameter hole of the communication hole and the edge of the small diameter hole.

The rotation fixing device of the writing tool, wherein one of the lugs is provided with a through hole, and the other lug is provided with a threaded hole, and one end of the rotating shaft has a threaded portion screwed to the threaded hole, and the inclined groove surface It is inclined toward the threaded hole of the lug.

1‧‧‧Handle

11‧‧‧ lugs

111‧‧‧Threaded holes

12‧‧‧ lugs

121‧‧‧through hole

13‧‧‧ pivoting slot

14‧‧‧ lateral slot

15‧‧‧Connected holes

2‧‧‧Work head

21‧‧‧Connecting Department

22‧‧‧ shaft

221‧‧ Thread segment

23‧‧‧Passive teeth

3‧‧‧Control lever

31‧‧‧ Groove

32‧‧‧ chute surface

4‧‧‧ rodholder

41‧‧‧Positioning column

42‧‧‧ tooth plate department

43‧‧‧ concave tooth row

44‧‧‧ side tooth row

45‧‧‧ side tooth row

50‧‧‧ Spring

51‧‧‧Flexible parts

6‧‧‧Handle

61‧‧‧Work head

62‧‧‧Work head

The first picture is a perspective view of the state of the creation combination.

The second figure is a partially enlarged schematic view of the first figure.

The third figure is a three-dimensional diagram of the decomposition state of the creation.

The fourth figure is a schematic cross-sectional view of the AA line of the second figure.

The fifth figure is a schematic cross-sectional view of the BB line of the second figure.

The sixth, seventh and eighth pictures are schematic diagrams of the creation of this creation.

The ninth figure is a schematic diagram of the present invention applied to the ends of the handle with a relatively rotatable working head.

In order to achieve the above objects and effects, a preferred embodiment is listed below, and please refer to the first to fifth figures of the drawing, which shows the rotation fixing device of the creation tool, which comprises: a handle 1 , a lug 11 , 12 is formed at one end thereof, and a pivot groove 13 is defined between the two lugs 11 and 12 . The side of the handle 1 is adjacent to the lug 12 and has a lateral groove 14 . The bottom surface of the slot of the pivoting slot 13 defines a communication hole 15 communicating with the lateral slot 14; a working head 2 having a connecting portion 21 at the pivoting slot 13 and pivoting the two lugs 11 with a rotating shaft 22 And the connecting portion 21, the outer side of the connecting portion 21 has an arc shape and is provided with a passive tooth row 23 opposite to the bottom surface of the connecting hole 15; a control a rod 3, which is slidably disposed in the lateral groove 14, and the control rod 3 is provided with a groove 31 corresponding to the communication hole 15, and the groove 31 is provided with a grooved surface 32 facing the direction of the lug 11; and a rod seat 4, comprising a positioning post 41 which is disposed in the communication hole 15 and is received by the inclined groove surface 32 of the control rod 3, and a toothed disc portion 42 facing the passive tooth row 23, the toothed disc portion 42 has a concave tooth row 43 and two side tooth rows 44, 45 respectively located on opposite sides of the inner concave tooth row 43, the inner concave tooth row 43 and the side tooth row 44, 45 are arranged in a concave shape to engage the passive tooth And a spring 50 is sleeved on the positioning post 41, and the two ends of the spring 50 respectively abut between the toothed disc portion 42 and the communication hole 15, the spring 51 having a larger diameter than the inner concave tooth row 43 The width L (see the fifth figure in the figure, the L is the width of the inner tooth row 43).

As can be understood from the above description, the present invention is provided with an arc shape by the joint portion 21 of the work head 2 and is provided with a passive tooth row 23, and the inner concave tooth row 43 of the rod holder 4 and the side tooth rows 44 and 45 are arranged. Because of the concave shape and the like, the present invention can surely have a large number of intermeshing teeth when the locking working head 2 cannot swing relative to the grip 1, thus increasing the meshing area. Therefore, the present invention can effectively increase the mutual meshing area of the rod holder 4 and the working head 2 by increasing the number of meshing teeth of the passive teeth 23 of the connecting portion 21 of the rod holder 4 and the working head 2, and dispersing the mutual force. It is indeed avoided that in the past, the number of inter-engaging teeth is small, and the excessive force is excessively concentrated, and it is easy to cause wear, deformation, bending, and the like. In this way, the purpose and effect of this creation are achieved, and it becomes an extremely practical creation.

The following is a further description of the various functions brought about by the structural components of the present invention and the technical features of the combination. The inner concave tooth row 43 and the two side tooth rows 44 and 45 are completely meshed with three consecutively arranged in the passive tooth row 23. The teeth (as shown in the fifth figure). The two side tooth rows 44, 45 are further abutted against the tooth flanks on both sides of the three consecutively arranged teeth. Enter One step includes an elastic member 51 (shown in FIG. 4) disposed on the lateral groove 14. The elastic member 51 is respectively elastically attracted between the control rod 3 and the lateral groove 14. In this way, the user can compress the spring 50 and the elastic member 51 when the lever 3 is operated, and the elastic force of the spring 50 and the elastic member 51 can be restored to drive the lever 3 and the rod holder 4 to be reset after the operation. . The communication hole 15 has a large diameter hole toward the connecting portion 21 at one end, and a small diameter hole at the other end of the communication hole 15 communicates with the lateral groove 14 (as shown in FIG. 4 and FIG. 5). One end of the spring 50 is elastically attracted to the hole of the small diameter hole of the large diameter hole of the communication hole 15 . The communication hole 15 has a large diameter hole and a small diameter hole, and is provided with a spring 50 that is stably disposed to smoothly displace the rod holder 4. As shown in the third to fifth figures, the lug 12 is provided with a through hole 121, and the lug 11 is provided with a threaded hole 111. The end of the rotating shaft 22 has a thread screwed to the threaded hole 111. The segment 221 is inclined toward the threaded hole 111 of the lug 11. After the lug 12 and the connecting portion 21 are bored through the rotating shaft 22, the rotating shaft 22 is screwed to the threaded hole 111 by the threaded portion 221, and the mounting work of the working head 2 and the grip 1 can be quickly completed.

In addition, when the spring 50 is pushed against the passive tooth row 23 of the toothed seat 4 with respect to the meshing working head 2, since the spring 50 can cover the width L of the inner concave tooth row 43 with a larger diameter, the rod holder 43 can be more stably meshed with the stationary tooth. Row 23.

The authoring process is described in detail below, and please refer to the figures in Figures 3 to 5. The elastic member 51 is normally pushed against the control rod 3 so that the inclined groove surface 32 of the control rod 3 normally abuts against the positioning post 41 of the rod holder 4. Referring to the sixth to eighth figures, when the user pre-adjusts the rotation angle of the working head 2 relative to the handle 1, the pressing control lever 3 is retracted into the lateral groove 14, and the inclined groove surface 32 of the control rod 3 no longer abuts. Positioning column 41, is the control rod 3 The groove 31 corresponds to the positioning post 41, so that the hand-operating head 2 is rotated, so that the working head 2 rotates relative to the rotating shaft 22 (ie, the working head 2 is rotated relative to the handle 1), and the passive toothing 23 obtains the steering force. Pushing the rod holder 4 in the direction of the communication hole 15 and being pushed by the spring 50 to the complex position, thereby forming a repeated skipping motion until the angle required by the user is adjusted, and releasing the pressure against the lever 3 state The elastic force of the elastic member 51 is restored, and the control rod 3 is again in the normal position of the inclined groove surface 32 against the positioning post 41 of the rod holder 4, so that the inner concave tooth row 43 and the side tooth row 44, 45 of the rod holder 4 are arranged in a concave shape. Engaged in the passive tooth row 23, the fixed state after the angle adjustment is completed.

In the above embodiment and the drawings, the present invention is exemplified by providing a relatively rotatable working head 2 at one end of the grip 1. In addition, please refer to the ninth figure, which is provided in the form of the movable working heads 61, 62 at both ends of the handle 6, and the related components are connected to the same setting, and only the handle 6 is disclosed here. This authoring component can be used at the same time.

The above description is only a preferred embodiment for explaining the present creation, and is not intended to impose any form limitation on the creation, so that any modification related to the creation in the same creative spirit is made. The changer, who is otherwise exemplified and has the same effect, should still be included in the scope of this creative intent.

In summary, the "Rotary Fixing Device" of this creation is indeed practical in terms of structural design and practical use, and the disclosed structural creation is also an unprecedented innovative structure, so it has "newness". Sexuality should be undoubtedly considered, and this creation can be more effective than the conventional structure. Therefore, it is also "progressive". It is fully in line with the provisions of the new patent application in China's patent law. Therefore, it proposes a new type of law to the bureau. Patent application, I hope that the bureau can grant the patent right in this case as soon as possible.

1‧‧‧Handle

2‧‧‧Work head

22‧‧‧ shaft

23‧‧‧Passive teeth

3‧‧‧Control lever

4‧‧‧ rodholder

Claims (7)

A rotary fixing device for a tool, comprising: a handle having a second lug formed at one end thereof; a pivoting groove is formed between the two lugs, and a lateral groove is formed on a side of the grip near the two lugs, And a connecting hole corresponding to the lateral groove is formed in a bottom surface of the pivoting groove; a working head has a connecting portion at the pivoting groove, and the two lugs and the connecting portion are pivoted by a rotating shaft, The outer side of the connecting portion has an arc shape and a passive tooth row is disposed opposite to the bottom surface of the connecting hole; a control rod slides on the lateral groove, and the control rod is provided with a groove corresponding to the communication hole, and the concave portion The slot is provided with a slotted surface facing the direction of one of the lugs; a rod holder includes a positioning post penetrating the communication hole to be abutted by the inclined groove surface of the control rod, and a positioning rod facing the passive tooth row a toothed disk portion having a concave tooth row and two side tooth rows respectively located on two sides of the inner concave tooth row, wherein the inner concave tooth row and the side tooth row are arranged in a concave shape to engage the passive tooth a spring; the spring is sleeved on the positioning post, and the spring ends are respectively springed The portion between the chainring to the communication hole, the spring diameter is greater than the width of the recessed row of teeth. The rotary fixture of the tool of claim 1, wherein the inner concave row and the two side tooth rows completely engage three consecutively aligned teeth in the passive tooth row. The rotary fixing device of the tool of claim 2, wherein the two side tooth rows are further abutted to the tooth flanks on both sides of the three consecutively arranged teeth. The rotary fixing device of the tool according to any one of claims 1 to 3, further comprising an elastic member disposed on the lateral groove, the two ends of the elastic member respectively abutting the control rod and Lateral slots. The rotary fixing device of the tool of claim 1, wherein the communication hole has a large diameter hole at one end facing the coupling portion, and the other end of the communication hole has a small diameter hole communicating with the lateral groove. The rotary fixing device of the tool of claim 5, wherein one end of the spring is elastically engaged with the large diameter hole of the communication hole and the edge of the small diameter hole. The rotary fixing device of the tool of claim 1, wherein one of the lugs is provided with a through hole, and the other lug is provided with a threaded hole, and one end of the rotating shaft has a threaded hole. a threaded section, the inclined groove surface being inclined toward the threaded hole of the lug.