TWM518144U - Fastening device of wrench - Google Patents

Description

Wrench fastening device (2)

The invention relates to a wrench fastening device (2), which refers to a technology applied in the field of hand tools, and is characterized in that a fixed fixing sleeve, a screwdriver head and the like are mounted on a wrench to prevent a sleeve during operation, The screwdriver is detached and dropped, which is an innovative and excellent improvement.

There are many types of wrenches on the market. However, with the evolution of the times, the average user and the repairer have to reduce the load on the weight of the various types of wrenches during each construction, and many screws are placed too far. Small, not the general wrench can easily enter and rotate, so many manufacturers have improved the wrench, and added a sleeve that can meet different types of screw disassembly, set, or provide a screwdriver, so As soon as the user and the repairer can directly disassemble and assemble the screws through the wrench, they can also add the mounting sleeve and the screwdriver head to disassemble and assemble the screws of different areas and different sizes. However, the above is only to explain the relationship between the wrench and the sleeve and the screwdriver head. In fact, the assembly positioning between the wrench and the sleeve and the screwdriver head is the key point.

Please refer to the Republic of China Patent No. M426472 "Thumbs clamp device". The wrench mainly includes a wrench body having at least one receiving portion, a ratchet ring seat disposed on the wrench body receiving portion, and a ratchet ring. a ratchet device between the seat and the wrench body, and at least one clamping device disposed on the ratchet ring seat; wherein the ratchet ring base An outer ring ratchet is disposed on the outer ring surface, and a sleeve portion having an inner twelve-corner shape is formed on the inner ring surface, and the clamping device is attached to the adjacent wall between two adjacent inner corners of the socket portion. The elastically stretchable clamping jaw assembly is arranged, and the clamping jaw assembly can simultaneously protrude from the sleeve faces of two adjacent inner corners; thereby, the twelve-corner sleeve portion fits inside the ratchet ring seat In the hexagonal working piece, whether the odd inner angle or the even inner angle is engaged, the clamping member can be used to firmly and effectively hold the working piece, thereby achieving the practical benefit of greatly improving the use efficiency. Although the above-mentioned wrench can further fix the sleeve by the clamping device, the elastic force of the elastic body is pushed against the bead fixing sleeve for a long time, and the elasticity of the elastic body is easily fatigued, which may not be smoothly performed afterwards. The bead is pushed out to fix the sleeve setting.

Please also refer to the Republic of China Patent Publication No. M466758 "Starter Head Wrench Tool", which is provided with a tool holder on the wrench body, and the first end of the tool holder is provided with a clamping groove with a clamping and positioning structure for socket positioning. The first end of the ejector member is connected to the second end of the tool holder of the wrench body, and the first end of the ejector member is configured to be extendable to the tool holder. The pushing portion of the sleeve groove is provided with a pressing portion at the second end for pressing the ejection head, and an elastic member is disposed at the second end of the tool holder for resetting the pushing and pushing member; Therefore, by pressing the ejector to push out the screwdriver head, the screwdriver head can be separated from the clamping locating structure of the grooving groove, and protruded a long distance, so that the user can easily extract the screwdriver head, thereby achieving easy force application. And the practical benefits of improving the convenience of use. Although the above-mentioned wrench is technically characterized in that it is easy to pull off the screwdriver head, the clip member for fixing the screwdriver head is easy to be elasticized due to the reverse pull-out of the screwdriver head and the assembly operation. The fixing force is gradually tired, and finally the screwdriver head cannot be smoothly fixed in the fitting groove.

Similarly, please refer to the Republic of China Patent Publication No. M476030, "Improved Structure of a Penetrating Ratchet Wrench", which has a wrench body and the front end of the wrench body The utility model has a head having a ratchet wheel therein, and the ratchet wheel is provided with a polygonal sleeve hole, and the sleeve hole is for sleeved with a sleeve, and the upper edge of the ratchet wheel is provided The first neck portion is provided with a ring groove in the outer peripheral ring of the first neck, the ratchet has a plurality of perforations in the ring groove, and a C-shaped buckle is further fastened in the ring groove. The perforation is provided for the C-shaped buckle to protrude, thereby forming a limiting portion, wherein the limiting portion is configured to elastically stop the sleeve, thereby the ratchet sleeve during the operation of the user. The perforations limit the displacement of the sleeve. The wrench of this case is the same as the M466758 "driver head wrench tool". It is also equipped with a C-shaped buckle to fix the sleeve. However, it is also easy to fix the limit due to the elastic fatigue of the C-shaped buckle. Sleeve.

Looking at the technical aspects of the above-mentioned related wrenches, the common disadvantage is that the components used to fix the screwdriver head and the sleeve may be unstable due to the elastic fatigue, and the sleeve and the screwdriver head may not be reliably mounted on the wrench for operation. And it is easy to fall, detach, or even cause a lost situation. To this end, the creator invested a lot of time to research relevant knowledge, and compared various advantages and disadvantages, research and development of related products, and after many experiments and tests, and finally launched a "wrench fastening device" to improve the above-mentioned defects. To meet the needs of the public.

The main technique of the present invention is to provide a screwdriver head and a sleeve which are mounted on the wrench, and can accurately and stably install the screwdriver head and the sleeve on the wrench, and the problem of falling and the like is not caused; Among the related technologies listed in the prior art, there is a common problem that the components of the fixed screwdriver head and the sleeve may be elastically fatigued due to long-term operation, and the assembly structure of the conventional wrench is too complicated.

In order to achieve the above-mentioned purpose and effect, the present invention provides a wrench fastening device (2) for mounting a ring groove limit corresponding to a sleeve and a screwdriver head, which comprises: a wrench body having a handle portion and a driving portion connecting one end of the handle portion, and a driving hole is disposed in the driving portion, the driving portion is provided with a sliding limit groove between the sleeve hole and the grip portion And a limit fastener is mounted on the driving portion, and has a limit slider on the bottom surface, the limit slider slides in the limit slot, and the limit fastener is disposed on one side of the sleeve hole The utility model has a buckle portion and a release portion; wherein the limit fastener is slidable in the limit sliding slot to quickly disengage the sleeve hole when the mounting of the screwdriver head and the sleeve corresponds to the release portion, the buckle portion is embedded with the screwdriver When the ring groove of the head and the sleeve is formed, the stable installation state is formed, thereby stabilizing the screwdriver head and the sleeve stably installed in the sleeve hole, and achieving the purpose and the function of preventing any separation during the construction operation.

A further technical feature of the present invention is that the limiting chute includes a reduced opening on the surface of the driving portion, and the reduced opening vertically communicates with the limiting chute to form an inverted T-shaped slotted space.

A further technical feature of the present invention is that the limit slider forms an inverted T-shaped structure with respect to the T-shaped slot space of the limit slot.

A further technical feature of the present invention is that the limiting fastener comprises a pushing portion on the opposite side of the limiting slider, and the releasing portion is a concave arc groove.

The second embodiment of the wrench fastening device (2) is configured to be corresponding to the annular groove limit of the sleeve and the screwdriver head, and comprises: a wrench body having a grip The handle and a driving portion are coupled to one end of the handle portion, and a driving hole is disposed in the driving portion. The driving portion is provided with a limiting sliding slot and a limiting cover between the sleeve hole and the handle portion. The limit slot has a limit gap and communicates with the sleeve hole. The limit cover is set in the slot of the limit slot; and a limit fastener slides on the lower limit slot of the limit cover. The limiting fastener has a latching portion and a releasing portion, and the latching portion extends toward the limiting notch and protrudes into the sleeve hole; wherein the limiting fastener slides on the limiting slot to make the screwdriver head and the sleeve When the device is installed corresponding to the release portion, the sleeve hole can be quickly disengaged. When the buckle portion is inserted into the ring groove of the sub-head and the sleeve, a stable installation state is formed, thereby stabilizing The screwdriver head and the sleeve are firmly installed in the sleeve hole, and the purpose and effect of preventing any separation during the construction operation are achieved.

A further technical feature of the present invention is that the limiting cover is provided with a guiding slot and a parallel limiting slot.

A further technical feature of the present invention is that the limiting slot has at least two fixed steps and is located on both sides of the slot, and the limiting cover is coupled to the fixed step.

A further technical feature of the present invention is that the surface of the limiting fastener is provided with a pushing portion and is slidably assembled in the guiding groove.

A further technical feature of the present invention is that the release portion has a concave arc groove shape.

(10)‧‧‧Sleeve

(20) ‧ ‧ ‧ screwdriver head

(30) ‧‧‧ Ring groove

(1)‧‧‧Wrench body

(11)‧‧‧Handle

(12)‧‧‧ Drive Department

(15) ‧ ‧ set of holes

(16)‧‧‧Limit chute

(161) ‧‧‧Shrinking the opening

(162) ‧ ‧ Limit gap

(163) ‧ ‧ fixed order

(17)‧‧‧Limited cover

(171)‧‧‧ Guide slots

(7) ‧‧‧ Limit fasteners

(71)‧‧‧Limited sliders

(72) ‧‧‧Snaps

(73) ‧ ‧ release department

(74)‧‧‧ 推

The first figure is a schematic exploded view of the present creation.

The second figure is a schematic diagram of the second use of the second aspect of the creation.

The third figure is a schematic diagram of the three-dimensional combination of the creation.

The fourth picture is a top view of the state of the artificial card inserter.

The fifth figure is a schematic cross-sectional view of the V-V line segment of the fourth figure.

The sixth picture is a top view of the state in which the creation of the card is not embedded.

The seventh figure is a schematic cross-sectional view of the VII-VII line of the sixth figure.

The eighth figure is a perspective exploded view showing the structure of the second embodiment of the present creation.

The ninth drawing is a three-dimensional combination diagram of the structure of the second embodiment of the present creation.

The tenth figure is a top view of the state of the second embodiment of the present invention.

The eleventh figure is a schematic cross-sectional view of the XI-XI line segment of the tenth figure.

The twelfth figure is a top view of the second embodiment of the present invention in which the state of the sub-head is not embedded.

The thirteenth figure is a schematic cross-sectional view of the XIII-XIII line of the twelfth figure.

In order to achieve the above-mentioned purpose and effect, and the technical means and structure adopted, the present invention will be described in detail with reference to the embodiments of the present invention.

Please refer to the first figure to the seventh figure. The wrench fastening device (2) has two kinds of usage patterns. The first type of use is used to fix the sleeve (10). The use pattern is as shown in the second figure for fixing the driver head (20) (the second to the thirteenth drawings are mainly based on the screwdriver head (20)), wherein the creation drawings are The sleeve (10) and the screwdriver head (20) are annularly recessed with a ring groove (30) as a main preferred embodiment for illustration (herein, the first description), so the present invention comprises: a wrench body (1) having A handle portion (11) and a driving portion (12) are coupled to one end of the handle portion (11), and a driving hole (15) is disposed in the driving portion (12). The driving portion (12) is in the sleeve hole. (15) A limit chute (16) is arranged between the handle portion (11). And a limit fastener (7) is mounted on the driving portion (12), and has a limit slider (71) on the bottom surface, and the limit slider (71) slides in the limit chute (16) The limiting fastener (7) is provided with a latching portion (72) and a releasing portion (73) corresponding to one side of the sleeve hole (15). Wherein, the limiting fastener (7) can be quickly disengaged from the sleeve hole when the limiting chute (16) is slid so that the mounting of the screwdriver head (20) and the sleeve (10) corresponds to the releasing portion (73). When the latching portion (72) is fitted with the screwdriver head (20) and the ring groove (30) of the sleeve (10), a stable mounting state is formed, thereby securing the screwdriver head (20) and the sleeve (10). It is firmly installed in the sleeve hole (15) and achieves the purpose and effect of preventing any separation during the construction operation.

In the first and second figures, the limit chute (16) includes a reduced opening (161) on the surface of the driving portion (12), and the reduced opening (161) is perpendicular to the limiting chute (16). Connected to form an inverted T-shaped slotted space. In addition, the limit slider (71) forms an inverted T-shaped structure with respect to the limit-shaped chute (16). Moreover, the limiting fastener (7) includes a pushing portion (74) on the opposite side of the limiting slider (71), and the releasing portion (73) is a concave arc groove.

As shown in the fourth and fifth figures, the body of the wrench body performs the locking operation on the sub-heads as follows: when the pushing portion (7) is pushed by the pushing portion (74) in the driving portion of the wrench body (1) ( 12) When the driver's head (20) of the set slips on one side, and the starter (20) does not correspond to the release portion (73), as shown in the fifth figure, the limit fastener (7) is embedded. The ring groove (30) of the screwdriver head (20) is restrained to form a stable installation state, thereby preventing the purpose and effect of arbitrarily separating during the construction operation; otherwise, as shown in the sixth and seventh figures, when the push part is (74) pushing the limit fastener (7) to slide on the side of the driver bit (20) of the driver portion (12) of the wrench body (1), and the release portion (73) corresponds to the driver head (20) At this time, the limit fastener (7) will be released from the card insertion of the ring (30) of the bit (20), so that the driver (20) can be disassembled as shown by the arrow in the seventh figure. Replacement; Moreover, this creation can be easily assembled and reduced in cost with a simplified structure, and has multiple economic benefits.

As shown in the eighth to thirteenth drawings, the second embodiment of the prior art wrench fastening device (2) is configured to correspond to the sleeve (10, see the first figure) and the screwdriver head (20). The annular ring groove (30) is arranged to be limited, comprising: a wrench body (1) having a handle portion (11) and a driving portion (12) connecting one end of the handle portion (11), A driving hole (15) is disposed in the driving portion (12), and the driving portion (12) is provided with a limiting slot (16) and a limit between the sleeve hole (15) and the handle portion (11). a cover plate (17), the limit sliding slot (16) has a limiting notch (162) and communicates with the sleeve hole (15), and the limiting cover plate (17) is disposed in the slot of the limiting sliding slot (16) mouth.

And a limit fastener (7) is arranged in the limit sliding slot (16) on the lower side of the limit cover (17), the limit fastener (7) has a buckle portion (72) and a The release portion (73) faces the limit notch (162) and extends into the sleeve hole (15).

Wherein, the limiting fastener (7) can be quickly disengaged from the sleeve hole when the limiting slot (16) slides so that the mounting of the screwdriver head (20) and the sleeve (10) corresponds to the releasing portion (73) ( 15), when the locking portion (72) is fitted with the screwdriver bit (20) and the ring groove (30) of the sleeve (10), a stable installation state is formed, thereby securing The sub-head (20) and the sleeve (10) are stably installed in the sleeve hole (15), and achieve the purpose and effect of preventing any separation during the construction operation.

In the eighth figure, the limit cover (17) is provided with a guide groove (171) and a parallel limit chute (16). Moreover, the limiting slot (16) has at least two fixed steps (163) and is located at two sides of the slot, and the limiting cover (17) is coupled to the fixed step (163). In addition, the surface of the limiting fastener (7) is provided with a pushing portion (74) and is slidably assembled to the guiding groove (171). Further, the release portion (73) has a concave arc groove shape.

As shown in the tenth and eleventh drawings, in the second embodiment of the present invention, the wrench body performs the card insertion limit operation on the sub-heads as follows: when the pushing portion (7) is pushed by the pushing portion (74) on the wrench body ( 1) When the driver head (20) of the driver unit (12) sleeve slides on one side, and the driver head (20) does not correspond to the release portion (73), as shown in the tenth figure, the buckle is fastened. The portion (72) is embedded in the ring groove (30) of the screwdriver head (20) to form a stable installation state, thereby preventing the purpose and effect of arbitrarily separating during the construction operation; otherwise, as shown in the twelfth and thirteenth As shown, when the push-fastening member (7) is pushed by the pushing portion (74), it slides on the side of the driver (12) of the driving portion (12) of the wrench body (1), and the releasing portion (73) is caused. Corresponding to the screwdriver head (20), the snap portion (72) will be released from the snap-in formation of the ring (30) of the screwdriver head (20) so as to be able to be used as shown in the arrow of the thirteenth figure. The head (20) is disassembled and replaced.

As mentioned above, this creation is more progressive than the techniques listed in the prior art, and is more in line with the requirements of the general public. 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. Or the changer, other types that can be implemented according to the same effect, should still be included in the scope of protection of this creative intention.

In summary, the creation of the "wrench fastening device (2)" is practical and cost-effective. It is indeed in full compliance with the development of the industry, and the disclosed structural creation also has The unprecedented innovative structure, so its "newness" should be undoubtedly considered, and this creation can be more effective than the conventional structure, so it is also "progressive", which fully meets the requirements for the application of new patents in China's patent law. The stipulation is to file a patent application in accordance with the law, and I would like to ask the bureau to review it as soon as possible and give it affirmation.

(20) ‧ ‧ ‧ screwdriver head

(30) ‧‧‧ Ring groove

(1)‧‧‧Wrench body

(11)‧‧‧Handle

(12)‧‧‧ Drive Department

(15) ‧ ‧ set of holes

(16)‧‧‧Limit chute

(161) ‧‧‧Shrinking the opening

(7) ‧‧‧ Limit fasteners

(71)‧‧‧Limited sliders

(73) ‧ ‧ release department

(74)‧‧‧ 推

Claims (9)

The utility model relates to a wrench fastening device, which is provided for corresponding to a ring groove limit of a sleeve and a screwdriver head, and comprises: a wrench body having a handle portion and a driving portion connecting one end of the handle portion And a driving hole is disposed in the driving portion, the driving portion is provided with a limiting sliding slot between the sleeve hole and the handle portion; and a limiting fastener is mounted on the driving portion, and has a bottom portion The limit slider is disposed in the limit slot, and the buckle is provided with a buckle portion and a release portion on one side of the sleeve hole; wherein the limit fastener is in the limit slot The sliding can quickly disengage the sleeve hole when the mounting of the screwdriver head and the sleeve corresponds to the release portion, and the buckle portion is formed into a stable installation state when the hook portion of the screwdriver head and the sleeve is inserted, thereby stabilizing the screwdriver head The sleeve is firmly installed in the sleeve hole and achieves the purpose and effect of preventing any separation during the construction operation. The spanner fastening device according to the first aspect of the invention, wherein the limit chute includes a reduced opening on a surface of the driving portion, the reduced opening vertically communicating with the limiting chute to form an inverted T-shaped groove space. The wrench fastening device according to the second aspect of the invention, wherein the limit slider forms an inverted T-shaped structure with respect to the T-shaped slot space of the limit slot. The wrench fastening device according to any one of claims 1 to 3, wherein the limiting fastener comprises a pushing portion on the opposite side of the limiting slider, and the releasing portion is a concave portion. Arc slot. The utility model relates to a wrench fastening device, which is provided for corresponding to a ring groove limit of a sleeve and a screwdriver head, and comprises: a wrench body having a handle portion and a driving portion connecting one end of the handle portion And a driving hole is disposed in the driving portion, and the driving portion is provided with a limiting slot and a limit between the sleeve hole and the handle portion The positional sliding plate has a limiting notch and communicates with the sleeve hole, the limiting cover plate group is disposed at the notch of the limiting sliding slot; and a limiting fastener sliding group is disposed at the lower side of the limiting cover plate The limit fastener has a buckle portion and a release portion, and the buckle portion faces the limit notch and extends into the sleeve hole; wherein the limit fastener slides in the limit slot When the mounting of the screwdriver head and the sleeve corresponds to the release portion, the sleeve hole can be quickly separated. When the buckle portion is inserted into the ring groove of the screwdriver head and the sleeve, a stable installation state is formed, thereby securing the screwdriver head and the sleeve. It is firmly installed in the sleeve hole and achieves the purpose and effect of preventing any separation during the construction operation. The wrench fastening device of claim 5, wherein the limiting cover is provided with a guiding slot and a parallel limiting slot. The spanner fastening device according to claim 5, wherein the limit chute has at least two fixed steps and is located at two sides of the slot, and the limit cover is coupled to the fixed step. The wrench fastening device according to the sixth aspect of the invention, wherein the surface of the limiting fastener is provided with a pushing portion and is slidably assembled in the guiding groove. The wrench fastening device according to any one of claims 5 to 8, wherein the release portion has a concave arc groove shape.