TWI799088B - Adjustable grips for power tools - Google Patents

Abstract

The present invention is an adjustable handle for power tools, which is provided with a body, a combination seat and a positioning group, the body is provided with a casing, a valve seat and a trigger, and the valve seat is arranged in the casing And a valve stem is provided, the trigger is provided with a connection end combined with the valve stem, the combination seat is combined with the body and has a combination head and a locking head, the combination head is provided with a step surface, and the locking head is provided with In the housing and fixedly combined with the coupling head, the positioning unit is set between the body and the coupling seat and is provided with a positioning piece and at least two positioning holes, the positioning piece is located inside the housing, the at least Two positioning holes are arranged on the step surface and face to the positioning member. The positioning member can move between the at least two positioning holes, providing an adjustable handle that can conveniently adjust the angle and has a positioning effect.

Description

Adjustable grips for power tools

The invention relates to a handle, in particular to an adjustable handle for a power tool which can conveniently adjust the angle and has a positioning effect.

Existing power tools are mainly provided with a handle and an actuating head combined with the handle. The pressing directions are the same. Therefore, when the user holds the handle of the existing power tool to process the workpiece located at the corner of the wall or at a special angle position, when the front side of the handle is close to the surrounding environment, the user cannot press smoothly. The trigger located on the front side of the handle is processed, which will relatively increase the inconvenience in use.

As mentioned above, the structure of the fixed handle of the existing power tool will be limited by the surrounding environment or the state of the workpiece structure during use, which will not only increase the inconvenience of use, but also affect the practicability of the existing power tool. , the structure type of the fixed handle of existing power tool has its place that needs to be improved sincerely.

In order to solve the structure of the fixed handle of the existing power tools, the use will be limited by the surrounding environment or the state of the workpiece structure, which will not only increase the inconvenience of use, but also affect the practicality of the existing power tools and other problems and shortcomings , the present invention provides an adjustable handle for power tools, which allows the handle to rotate relative to the actuating head, so as to change the direction of the trigger and the actuating head, and after adjusting the angle, it can stably position the The direction of the handle and the actuating head is used to provide an angle-adjustable power tool that can be conveniently adjusted and has a positioning effect.

Based on the above purpose, the present invention is to provide an adjustable grip for a power tool, which is combined with an actuating head of a power tool and is provided with: a body, which is provided with a housing, a valve seat and a The trigger, the casing has a chamber inside, the valve seat is set in the chamber and has a valve stem, the trigger is arranged outside the casing and connected with the valve seat, the trigger is provided with a rotatable and The joint connecting end of the valve stem; a joint seat, the joint seat is combined with the body and the actuating head and has a joint head and a locking head, the joint head is arranged on the top of the housing and has a The step surface of the chamber, the locking head is set in the chamber and abuts against the inside of the housing and is fixedly combined with the joint head, so that the step surface abuts against the inside of the housing; and a positioning group, the The positioning group is arranged between the body and the joint seat, the positioning group is provided with a positioning piece and at least two positioning holes, the positioning piece is set inside the housing, the at least two positioning holes are arranged on the step surface Facing the positioning piece, the positioning piece can move between the at least two positioning holes for positioning when the positioning piece rotates with the housing relative to the coupling seat.

Further, as the above-mentioned adjustable handle for power tools, wherein the casing is provided with a combination groove, the combination groove is recessed and formed on the top of the casing and communicated with the chamber, and the combination head is provided with a pipe portion , the pipe part is arranged at the bottom of the joint head and extends into the joint groove, and the locking head is fixedly combined with the pipe part.

Still further, as the above-mentioned adjustable handle for power tools, wherein the casing is provided with a abutting flange, the abutting flange is formed on the inner surface of the casing and interposed between the chamber and the coupling groove Between, the joint head is provided with an abutting portion, which is arranged on the top of the joint head and is combined with the pipe portion and is located in the joint groove, and the step surface is formed between the abutment portion and the pipe portion At the joint, the step surface abuts against the bottom surface of the combining groove, and the locking head abuts against the abutting flange.

Preferably, as in the aforementioned adjustable handle for power tools, the locking head is provided with a limiting flange abutting against the abutting flange.

Preferably, as the above-mentioned adjustable handle for power tools, wherein the positioning group is provided with a groove and an elastic member, the groove is axially arranged on the bottom surface of the combining groove, and the elastic member is arranged on the In the groove, the positioning member is arranged at the groove and abuts against the elastic member.

Preferably, as the above-mentioned adjustable handle for power tools, wherein the trigger is provided with a connecting rod and a button, the connecting rod radially extends into the chamber of the housing, and the connecting end of the trigger is arranged on The end of the connecting rod protruding into the chamber, the button is swingably pivoted to the outside of the housing and combined with the end of the connecting rod protruding out of the housing.

Preferably, as in the aforementioned adjustable handle for power tools, the connecting end is U-shaped and can rotate relative to the valve stem.

With the above-mentioned technical features, when the adjustable handle of the present invention is used for a power tool, when the user wants to adjust the angle of the main body relative to the actuating head, it is by rotating the main body relative to the joint seat, so that the The positioning part at the groove is pushed into the groove by the step surface and compresses the elastic part. Since the joint seat is no longer restricted by the positioning part, the user can adjust the position according to his needs. The angle between the main body and the joint seat, and then change the angle of the main body relative to the actuating head, so that the user can change the direction of the trigger and the actuating head according to the surrounding environment or the state of the workpiece structure, providing the user with easy operation Holding and pressing the trigger in a different way can not only improve the inconvenient use, but also greatly improve the practicability of the power tool, and when the body drives the trigger to rotate to the required angle, at this time, the compressed The elastic piece will push against the positioning piece, so that the positioning piece moves to another corresponding positioning hole, so that the combination seat and the body can achieve a stable positioning effect through the positioning group, and then give way to the positioning hole. The actuating head above the combination seat can process the workpiece; further, the connection end of the connecting rod is set in a U-shaped structure, which allows the body and the combination seat to be in the process of rotation, and the connection end is constantly connected to the The valve stem is combined without affecting the action of the power tool, so as to provide an angle-adjustable power tool that can be conveniently adjusted and has a positioning effect.

10: Ontology

11: shell

111: Containment room

112: combination slot

113: against the flange

12: Valve seat

121: valve stem

13: trigger

14: connecting rod

141: connection end

15: button

20: combination seat

21: Combined head

211: pipe department

212: abutting part

213: internal thread

214: class level

22: pivot joint

23: Locking head

231: limit flange

232: external thread

30: Positioning group

31: Groove

32: Elastic parts

33: Positioning piece

34: positioning hole

40: Actuating head

41: Pivot seat

42: head

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

Fig. 2 is another perspective view of the preferred embodiment of the present invention.

Fig. 3 is a three-dimensional exploded view of a partial section of a preferred embodiment of the present invention.

Fig. 4 is an exploded perspective view of another partial section of the preferred embodiment of the present invention.

Fig. 5 is a partial sectional side view of a preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of the operation of adjusting the angle in a preferred embodiment of the present invention.

Fig. 7 is another schematic diagram of the operation of adjusting the angle in the preferred embodiment of the present invention.

In order to understand the technical characteristics and practical effects of the present invention in detail, and to realize them according to the contents of the specification, the preferred embodiments shown in the drawings are further described in detail as follows:

The present invention is an adjustable grip for a power tool. Its preferred embodiment is shown in FIGS. Rotary base 41 and a head 42 connected with the pivotal base 41, the adjustable grip is provided with a body 10, a combination base 20 and a positioning group 30, wherein:

The body 10 is provided with a housing 11, a valve seat 12 and a trigger 13. The housing 11 is hollow and provided with a chamber 111, a coupling groove 112 and an abutting flange 113. The chamber 111 is formed on Inside the casing 11, the coupling groove 112 is concavely formed on the top of the casing 11 and communicates with the chamber 111, and the abutting flange 113 is formed on the inner surface of the casing 11 to form a step and Between the chamber 111 and the coupling groove 112, the valve seat 12 is disposed in the chamber 111 through the bottom of the casing 11, and the valve seat 12 protrudes toward the abutting flange 113 at the top. A valve rod 121 is provided, the trigger 13 is arranged on the outside of the casing 11 and connected with the valve seat 12, the trigger 13 is provided with a connecting rod 14 and a button 15, and the connecting rod 14 is radially Extending into the chamber 111 of the casing 11 and located below the abutting flange 113, the connecting rod 14 is provided with a connecting end 141 combined with the valve stem 121, and the connecting end 141 is U-shaped. And can rotate relative to the valve rod 121 , the button 15 is pivotably connected to the outside of the casing 11 and combined with the end of the connecting rod 14 protruding from the casing 11 .

The joint seat 20 is combined with the housing 11 of the body 10 and the pivot seat 41 of the actuating head 40, the joint seat 20 is provided with a joint head 21, a pivot joint 22 and a locking head 23, the joint head 21 It is arranged in the coupling groove 112 of the housing 11 and is provided with a tube portion 211 and an abutting portion 212. The tube portion 211 is arranged at the bottom of the coupling head 21 and extends into the coupling groove 112 and is adjacent to the abutting flange 113, the pipe portion 211 is provided with an internal thread 213 on the inner surface, the abutment portion 212 is arranged on the top of the joint head 21 and combined with the pipe portion 211 and is located in the joint groove 112, the abutment portion 212 The outer diameter is larger than the outer diameter of the pipe portion 211, so that the junction of the abutting portion 212 and the pipe portion 211 forms a step surface 214, and the step surface 214 abuts against the bottom surface of the coupling groove 112, and the pivot joint 22 The top of the joint head 21 extends upwards and is combined with the pivot seat 41. The locking head 23 is disposed in the chamber 111 through the bottom of the housing 11. The locking head 23 is connected to the abutting flange. 113 abuts against and is fixedly combined with the pipe portion 211 of the coupling head 21. Preferably, the locking head 23 is provided with a limiting flange 231 abutting against the abutting flange 113 and a The external thread 232 of the internal thread 213 of the part 211 is screwed together.

The positioning group 30 is arranged between the body 10 and the coupling seat 20, and a positioning effect is provided after the body 10 is rotated relative to the coupling seat 20. The positioning group 30 is provided with a groove 31, an elastic member 32, a positioning A member 33 and at least two positioning holes 34, the groove 31 is axially recessed on the bottom surface of the combining groove 112, the elastic member 32 is arranged in the groove 31, the positioning member 33 is arranged at the groove 31 and is in contact with the groove 31. The elastic member 32 is close to each other, the positioning member 33 is pushed by the elastic member 32 to expose the groove 31, and the positioning member 33 can compress the elastic member 32 and extend into the groove 31 after being pressed by an external force. The at least two positioning holes 34 are spaced apart on the step surface 214 of the coupling head 21 and face the positioning piece 33, so that when the positioning piece 33 rotates with the housing 11 relative to the coupling seat 20, the positioning piece 33 can Move between the at least two positioning holes 34, preferably, the positioning The bit group 30 is provided with several annular positioning holes 34 arranged at intervals on the step surface 214, so that when the housing 11 rotates 360° relative to the joint seat 20, it can pass through the positioning piece 33 and one of the positioning holes 34. The way of engaging with each other allows the housing 11 to be positioned after being rotated relative to the joint seat 20; further, the positions of the groove 31 and the at least two positioning holes 34 can be mutually adjusted, that is, the groove 31 is located on the On the step surface 214, and the at least two positioning holes 34 are arranged on the bottom surface of the coupling groove 112, it is only necessary to allow the positioning member 33 to move between the at least two positioning holes 34, so that the body 10 can be relatively The effect of positioning is performed after the combination seat 20 is rotated.

Please refer to Fig. 5, Fig. 6 and Fig. 7. When the adjustable handle of the power tool of the present invention is used, when the user wants to adjust the angle of the body 10 relative to the actuating head 40, it is through the rotation The body 10 rotates relative to the joint seat 20, so that the positioning member 33 located at the groove 31 is pushed into the groove 31 by the step surface 214 and compresses the elastic member 32, because the joint seat 20 is not Restricted by the clamping of the positioning member 33, the user can adjust the angle between the main body 10 and the coupling base 20 according to his needs, and then change the angle of the main body relative to the actuating head, so that the user can adjust the angle according to the surrounding environment or The state of the workpiece structure, changing the direction of the trigger 13 and the actuating head 40, provides the user with an easy-to-operate way to hold and press the trigger 13, which can not only improve the inconvenient situation in use, but also greatly improve the power tool practicability, and when the body 10 drives the trigger 13 to rotate to the required angle, at this time, the compressed elastic member 32 will push against the positioning member 33, so that the positioning member 33 will move to another position corresponding to it. In a positioning hole 34, the effect of stable positioning is achieved between the coupling seat 20 and the body 10 through the positioning group 30, so that the actuating head 40 above the coupling seat 20 can process the workpiece; further, The connecting end 141 of the connecting rod 14 is arranged in a U-shaped structure, so that the connecting end 141 is constantly combined with the valve rod 121 during the rotation of the body 10 and the coupling seat 20 without Affecting the action of the power tool, thereby providing an angle-adjustable power tool that can be adjusted conveniently and has a positioning effect.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Anyone with ordinary knowledge in the technical field can use the present invention within the scope of the technical solution proposed in the present invention. Equivalent embodiments with partial changes or modifications made in the disclosed technical content, and without departing from the technical solution content of the present invention, all still fall within the scope of the technical solution of the present invention.

10: Ontology

11: Housing

15: button

20: combination seat

21: Combined head

40: Actuating head

41: Pivot seat

42: head

Claims (10)

An adjustable handle for a power tool, which is combined with an actuating head of a power tool and is provided with: a body, the body is provided with a housing, a valve seat and a trigger, and the housing is provided with a a chamber, the valve seat is arranged in the chamber and is provided with a valve stem, the trigger is arranged outside the casing and connected with the valve seat, and the trigger is provided with a connecting end rotatably combined with the valve stem; A combination seat, the combination seat is combined with the body and the actuating head and has a combination head and a locking head, the combination head is arranged on the top of the housing and has a stepped surface facing the chamber, the locking head It is arranged in the chamber and abuts against the inside of the casing and is fixedly combined with the bonding head, so that the step surface abuts against the inside of the casing; and a positioning group, the positioning group is arranged on the body and the combination Between the seats, the positioning group is provided with a positioning piece and at least two positioning holes, the positioning piece is arranged inside the housing, and the at least two positioning holes are arranged on the step surface at intervals and facing the positioning piece, so that the positioning piece When the housing rotates relative to the coupling seat, the positioning member can move between the at least two positioning holes for positioning. The adjustable handle for power tools as described in claim 1, wherein the housing is provided with a joint groove, which is recessed and formed on the top of the housing and communicates with the chamber, and the joint head is provided with a The pipe part is arranged at the bottom of the joint head and extends into the joint groove, and the locking head is fixedly combined with the pipe part. The adjustable handle for a power tool as described in claim 2, wherein the housing is provided with an abutment flange formed on the inner surface of the housing and interposed between the chamber and the combination Between the grooves, the joint head is provided with an abutting portion, which is arranged on the top of the joint head and is combined with the pipe portion to be located in the joint groove, and the step surface is formed between the abutment portion and the pipe portion The joint, the step surface abuts against the bottom surface of the combining groove, and the locking head abuts against the abutting flange. The adjustable handle for a power tool according to claim 3, wherein the locking head is provided with a limiting flange abutting against the abutting flange. The adjustable handle for power tools as described in any one of claims 2 to 4, wherein the positioning group is provided with a groove and an elastic member, the groove is axially arranged on the bottom surface of the combining groove, the The elastic member is arranged in the groove, and the positioning member is arranged at the groove and abuts against the elastic member. The adjustable handle for a power tool as described in claim 5, wherein the trigger is provided with a connecting rod and a button, the connecting rod radially extends into the chamber of the housing, and the connecting end of the trigger is arranged on the The connecting rod extends into one end of the chamber, and the button is swingably pivoted to the outside of the housing and combined with the end of the connecting rod extending out of the housing. The adjustable handle for power tools as claimed in claim 6, wherein the connecting end is U-shaped and can rotate relative to the valve stem. The adjustable grip for a power tool as described in any one of claims 1 to 4, wherein the trigger is provided with a connecting rod and a button, the connecting rod radially extends into the chamber of the housing, the trigger The connecting end of the connecting rod is arranged at one end of the connecting rod protruding into the chamber, and the button is swingably pivoted to the outside of the housing and combined with the end of the connecting rod protruding out of the housing. The adjustable handle for power tools as described in claim 2, wherein the positioning group is provided with a groove and an elastic member, the groove is axially arranged on the bottom surface of the combining groove, and the elastic member is arranged on the recess In the groove, the positioning member is arranged at the groove and abuts against the elastic member. The adjustable handle for a power tool as claimed in any one of claims 1 to 4, wherein the connecting end is U-shaped and can rotate relative to the valve stem.

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