CN201002234Y - Wrench tool capable of switching manual or electric operation modes - Google Patents

Abstract

The utility model relates to a spanner tool capable of switching manual or electric operation mode, which is characterized in that a containing groove and a through groove are arranged in a headstock to respectively install a tool head and a worm with an outer annular surface formed with a worm wheel, the head end of the worm is meshed with the worm wheel of the tool head, the other end is formed with a connecting seat and protrudes out of the rear end of the headstock, an annular groove is arranged on the worm, positioning pins are arranged outside the headstock and opposite to the two sides of the annular groove to limit the worm, and when the worm rotates, the tool head in the headstock can be driven to rotate through the transmission of a worm and worm wheel set; therefore, a user can connect and install the grab handle with the motor at the rear end of the headstock to transmit and drive the tool head to move in a power operation mode, or connect and install the grab handle with the manual game rod at the rear end of the headstock to drive the tool head to move in a manual operation mode, thereby providing various operation modes and achieving the purpose of easily changing the operation to carry out the dismounting operation.

Description

Wrench tool with switchable manual or electric operation mode

technical field

The utility model relates to a wrench tool, in particular to a wrench tool which can be used by users to drive the tool head in a power or manual operation mode for disassembly and assembly operations.

Background technique

Please refer to Fig. 1, the ratchet wrench tool of existing power, it is that a ratchet handle 20 is fixedly set at handle 10 one end, and the front end of ratchet handle 20 then is a ratchet seat 21, has a drive by power source in the handle 10. The motor is used to drive the components in the ratchet seat 21 to move; please refer to Fig. 2 , there is a sectional groove 210 in the middle of the ratchet seat 21, so that the left and right clamping frames 211, 212 are formed on both sides, and the left clamping frame 211 is provided with a small-diameter perforation 213, the right clip frame 212 is provided with a large-diameter perforation 214, one end of a rotating shaft 22 is connected to the motor, and the other end has an eccentric shaft 221 to drive a driving block 222 to rotate, and a pulling member 23 is provided with a socket 231 and the inner The ring ratchet 232 uses the socket 231 to cover the driving block 222, so that when the rotating shaft 22 is rotating, the eccentric shaft 221 can drive the trigger member 23 to rotate and swing back and forth. A ratchet head 24 has an actuating column 241 at one end, The other end has a direction button 242, and the direction button 242 can control the catch 243 in the ratchet head 24, to control the braking direction of the inner ring ratchet 232 of the catch 243 and the puller 23, and select For forward rotation or reverse rotation, the ratchet head 24 has a spring washer 25 sleeved on the end of the direction button 242, which is pierced through the small-diameter perforation 213 of the left clamp frame 211, and a gasket 26 is sleeved on the end of the actuating column 241. , with a C buckle 27 fastened in the ring side groove 215 of the large-diameter perforation hole 214 of the right clamping frame to limit the position, and complete the assembly and positioning; please refer to Figure 3, when the rotating shaft 22 rotates, the pulling member 23 is turned forward When rotating and swinging, the actuating column 241 of the ratchet head 24 can be driven to rotate due to the engagement of the trigger member 243 with the inner ring ratchet 232, but when the trigger member 23 swings back in the opposite direction, the inner ring ratchet 232 is Push the stopper 243 to shrink inwardly, and do reverse idling stroke, and when the benefit is rotated forward again, it will drive the actuating column 241 of the ratchet head 24 to rotate. It is noteworthy that when the puller 23. When swinging back in reverse for idling travel, the ratchet head 24 must be fixed. Otherwise, it will not be able to loosen or tighten the workpiece with the reverse swing of the puller 23. However, the ratchet head 24 must be fixed. The way is to rely on the elastic force of the spring washer 25 to support the friction force generated by the inner wall surface 216 of the left clamping frame 211 and the C buckle 27, so that the ratchet head 24 is fixed, but when the puller 23 is positively When the swing of the ratchet head 24 works, the pulling member 23 is more likely to overcome the frictional force because it is locked with the locking member 243, and then drives the actuating column 241 of the ratchet head 24 to rotate and perform work. In any case, the frictional force is Necessary, but can not be too large to affect the work of the puller 23 when it swings forward, so moderate friction is very important.

However, the wrench tool of the divine power still has the following disadvantages in terms of transmission or usage:

1. The rotating shaft 22 driven by the motor is driven by the eccentric shaft 221 to swing the puller 23 back and forth in a forward and reverse direction, and then through the ratchet action of the stopper 243 and the inner ring ratchet 232, the latch Driving and idling reset alternately drive the ratchet head 24 to actuate, and the idling reset action causes power consumption of the motor.

2. The motor that drives the rotating shaft 22 to rotate is very easy to control for forward and reverse rotation changes, so that the ratchet head 24 can switch the steering action, but the design of the power wrench tool is based on the direction button 242 and the detent The member 243 cooperates with the ratchet locking effect of the inner ring ratchet 232 to achieve the switch steering action, which causes the complexity of the switch control.

3. The power wrench tool described above is only designed to be driven by a motor, but when the power is insufficient to make the motor rotate, the power wrench tool described will not work at all, and is only suitable for power mode of operation, so the use efficiency is still insufficient.

In view of this, the inventor, with his many years of experience in research and development and production in related industries, conducted in-depth research on the problems currently faced, and after long-term hard research and trial production, he finally created a kind of motor that can be used in power and manual. The wrench tool with dual operation modes greatly improves the existing disadvantages, which is the design purpose of the present invention.

Contents of the invention

The main purpose of the present invention is to provide a wrench tool with switchable manual or electric operation mode, which is provided with accommodating grooves and through grooves in the head seat to respectively install a tool head with a worm gear formed on the outer ring surface and a worm screw. , the head end of the worm is meshed with the worm wheel of the tool head, and the other end is formed with a connecting seat and protrudes from the rear end of the head seat. In addition, a ring groove is opened on the worm screw. There are positioning pins on both sides of the groove to limit the worm, and when the worm rotates, the tool head in the headstock can be driven to rotate through the transmission of the worm and worm gear group. A handle equipped with a motor and a gearbox is connected It is installed at the rear end of the headstock, and the output shaft of the gearbox is connected to the worm, and when the motor is activated, the tool head in the headstock can be driven to rotate through the transmission of the worm and worm gear; in this way, it can be powered In the operation mode, the power is completely used to drive the tool head, so as to achieve the purpose of effectively transmitting power.

Another object of the present invention is to provide a wrench tool that can be switched between manual and electric operation modes. After the handle with the motor and the gear box is connected and installed at the rear end of the headstock, when the motor stops operating, it can Directly rotate the handle manually to drive the worm gear set to the tool head, and use manual operation mode to carry out disassembly and assembly operations.

Another object of the present invention is to provide a wrench tool with switchable manual or electric operation mode, which is to open a receiving groove and a through groove in the head seat, so as to respectively install a tool head with a worm gear formed on the outer ring surface and a Worm, the head end of the worm is meshed with the worm gear of the tool head, the other end is formed with a connecting seat and protrudes from the rear end of the head seat, and an annular groove is opened on the worm, and the outside of the head seat is relatively There are positioning pins on both sides of the ring groove to limit the worm, and when the worm rotates, the tool head in the head seat can be driven to rotate through the transmission of the worm and worm gear group, and a handle with a manual joystick is connected and installed on the The rear end of the head base, when the manual joystick is actuated, can drive the tool head in the head base to rotate through the transmission of the worm gear set; in this way, the tool head can be driven in manual operation mode for disassembly and assembly Operation.

For realizing above-mentioned object, the technical scheme that the utility model adopts is:

A wrench tool with switchable manual or electric operation mode, characterized in that it includes: head seat: it is opened with a first accommodating groove at the front end and communicated with the through groove; tool head: it is set on the head seat In the first accommodating groove, at least one end thereof has a working end, and worm teeth are provided on the outer ring surface; worm: it is arranged in the through groove of the head seat, and the front end of the worm meshes with the worm teeth of the tool head, There is a connecting seat at the rear end.

Preferably, the above technical solution can also have the following technical features:

Furthermore, a second accommodating groove communicated with the first accommodating groove and the through groove is provided in the head seat, and an intermediate worm gear is installed in the second accommodating groove for meshing transmission with the worm gear of the tool head and the worm.

A gland and a C-shaped buckle are provided above the first accommodation groove of the head seat to limit the tool head in the head seat.

A ring groove is opened on the worm, and positioning pins are placed on the outside of the head seat relative to the two sides of the ring groove to limit the worm.

A handle with a motor is connected to the rear end of the worm in the head seat, and the motor drives the tool head to rotate.

At the rear end of the head seat, a screw cap with a C-shaped buckle is set, and a threaded section is provided at the front end of the handle, and the screw cap is screwed into the threaded segment of the handle, and the handle is connected and assembled on the The rear end of the headstock.

A power supply battery, a motor and a gear box are installed in the handle, the output shaft of the gear box is connected and installed on the connecting seat at the rear end of the worm, and a switch for controlling the steering of the motor is provided on the outside of the handle.

The power supply battery in the handle is a general battery or a rechargeable battery, or can be connected to a rectifier to be powered by a general household power supply.

The end of the output shaft of the gear box in the handle is provided with a multi-angle hole connector to connect with the connecting seat at the rear end of the worm.

A manual driving tool is further connected and installed at the rear end of the worm in the head seat.

The manual driving tool is a handle with a manual rocker.

Compared with the prior art, the utility model adopting the above-mentioned technical solution has the advantages of being able to switch between manual and electric modes, easy to operate and easy to use.

Description of drawings

Fig. 1 is the exterior view of existing power wrench tool;

Fig. 2 is the parts exploded view of existing power wrench tool;

Fig. 3 is the combined sectional view of existing power wrench tool;

Fig. 4 is an exploded view of parts of the utility model;

Fig. 5 is the combined sectional view of the utility model;

Fig. 6 is the combined exterior view of the utility model;

Fig. 7 is an exploded view of the utility model in power operation mode;

Fig. 8 is a combined appearance diagram of the utility model in power operation mode;

Fig. 9 is a combined sectional view of the utility model in power operation mode;

Figure 10 is a schematic diagram (1) of the utility model performing manual operation in the power operation mode;

Figure 11 is a schematic diagram (2) of the utility model performing manual operation in the power operation mode;

Figure 12 is an exploded view of the utility model in manual operation mode;

Figure 13 is a schematic diagram of the utility model in manual operation mode;

Fig. 14 is an exploded view of the manual operation mode of the handle of the present invention;

Fig. 15 is a schematic diagram of the use of the handle in the manual operation mode of the present invention.

Explanation of reference signs: 10-handle; 20-ratchet handle; 21-ratchet seat; 211-cut groove; 211-left clip frame; 212-right clip frame; 213-perforation; 214-perforation; 215-groove; 216-Inner wall surface; 22-Rotating shaft; 221-Eccentric shaft; 222-Drive block; 23-Lagger; 231-Socket; Direction button; 243-stopper; 25-spring washer; 26-gasket; 27-C buckle; 30-head seat; ;304-gland;305-C-type buckle;31-tool head;311-worm tooth;312-working end;313-working end;32-intermediate worm gear;33-worm;331-connecting seat;332-ring groove ; 333-location pin; 334-location pin; 34-handle; 341-thread segment; 35-battery; -C-shaped buckle; 41-switch; 42-grip; 421-joystick; 43-driver rod.

Detailed ways

In order to make your review committee have a further in-depth understanding of the utility model, hereby enumerate a preferred embodiment, and cooperate with the drawings to explain as follows:

Please refer to Fig. 4, Fig. 5, Fig. 6, the utility model is provided with the first accommodating groove 301 and the second accommodating groove 302 that communicate with each other at the front end of the head seat 30, the first accommodating groove 301 is for installing a A tool head 31 with worm teeth 311 is formed on the outer ring surface. The tool head can be a working end 312 with a protruding corner post type, or a working end 313 with a through corner hole type, and the second accommodating groove 302 Then, an intermediate worm gear 32 meshing with the worm gear 311 of the tool head 31 is installed, and the tool head 31 and the intermediate worm gear 32 are limited by the gland 304 and the C-shaped buckle 305 above the first and second accommodating grooves 301 and 302. In the head seat 30, the rear end of the head seat 30 is provided with a through groove 303 that can communicate with the second accommodating groove 302 for a worm 33 to be worn. The front end of the worm 33 is engaged with the middle worm wheel 32, and the rear end is A multi-angular connecting seat 331 is formed, and the connecting seat 331 protrudes from the rear end of the head seat 30. In order to prevent the worm 33 from slipping out of the through groove 303 and disengage from the meshing transmission with the middle worm wheel 32, a set is provided on the worm 33. ring groove 332, and positioning pins 333, 334 are placed on the outside of the head seat 30 relative to the two sides of the ring groove 332, so that the worm 33 does not move back and forth when it rotates, and then when the worm 33 rotates , the tool head 31 in the headstock 30 can be driven to rotate by the transmission of the worm and worm gear.

Please refer to Fig. 7, Fig. 8 and Fig. 9. When the utility model is used in power operation mode, a handle 34 is connected to the rear end of the head seat 30, and a power supply battery is installed in the handle 34. 35. The motor 36 and the gear box 37 connected to the motor 36. The power supply battery 35 can be a general battery or a rechargeable battery, or can be connected to a rectifier and powered by a general household power supply to drive the motor 36. The gear box 37 After decelerating the rotational speed of the motor 36 to a low rotational speed, the output power is output from the output shaft 38 with a multi-angle hole connector 381 at one end. Connect the connecting seat 331 that can be connected with the rear end of the worm 33 to transmit the output power of the output shaft 38 to the worm 33. In order to facilitate the connection and fit of the handle 34 on the rear end of the head base 30, a sleeve is provided on the head base 30. Screw cap 39, the screw cap 39 is limited by a C-shaped buckle 40, and the front end of the handle 34 is provided with a threaded section 341, when the handle 34 is connected to the assembled head seat 30, the screw cap 39 can be used to screw and connect The threaded section 341 of the handle 34, and after the handle 34 is connected to the head base 30, it can still drive the screw cap 39 to rotate along the head base 30, and the outside of the handle 34 is provided with a switch 41 to switch the current direction and Control the steering of the motor 36, and directly control the rotation of the tool head 31 in the forward or reverse direction; when the switch 41 is pressed to rotate the motor 36, the output shaft 38 will drive the worm 33 to rotate, through the transmission of the worm and worm gear , the middle worm wheel 32 can drive the tool head 31 in the headstock 30 to rotate, and then use the power to drive the tool head 31 in a power-operated manner, so as to effectively transmit power for disassembly and assembly operations.

Please refer to Fig. 8 and Fig. 10, when the electric power of the power supply battery 35 is insufficient and the motor 36 is stopped or the user selects manual operation, the handle 34 can be directly rotated manually so that the handle 34 and the screw cap at the front end 39 rotates along the rear end of the headstock 30, because the motor 36 and the gear box 37 connecting the motor 36 are fixed in the handle 34, and the gear box 37 is linked with the output shaft 38, so the output shaft 38 can drive the worm 33 to rotate, and then The worm and worm gear sets are driven to drive the tool head 31, and the manual operation mode is executed under the structure of the power operation mode, providing the user with a choice of operation for disassembly and assembly operations.

Please refer to Fig. 8 and Fig. 11, another mode of the utility model that performs manual operation under the structure of the power operation mode, which can directly pull the handle 34 to swing, because the worm 33 has been limited by the positioning pins 333, 334 In the slot 303 of the headstock 30, the worm 33, the intermediate worm wheel 32 and the worm gear 311 are in a state of mutual meshing without driving power, so when the handle 34 swings, the headstock 30 can be moved together. The belt tool head 31 is rotated to provide the user with an optional operation for disassembly and assembly operations, which can be used when finally locking the object or when initially unscrewing the object.

Please refer to Fig. 12 and Fig. 13 , the manual operation mode framework of the present invention is to connect the connecting seat 331 at the rear end of the worm in the head seat 30 to assemble a manual driving tool, such as a joystick 421 that can be opened and closed. handle 42, which can be driven by the joystick 421 to actuate the worm and worm gear unit, and manually drive the tool head 31 in the headstock 30 to rotate, and then provide the user with a choice of operation in the manual operation mode. Disassembly work.

Please refer to Fig. 14 and Fig. 15, after the handle 34 is separated from the head seat in the utility model, the output rotating shaft 38 in the handle 34 has a multi-angle hole connector 381, and the multi-angle hole connector 381 can be used. The screwdriver rod 43 is socketed, since the motor 36 and the gear box 37 are fixed in the handle 34, and the gear box 37 is linked to the output shaft 38, so the output shaft 38 can drive the screwdriver rod 43 to rotate, and then the handle 34 can provide manual operation mode for users to choose to use.

The above description is only illustrative, rather than restrictive, of the present utility model. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the limitable scope of the claims of the present utility model.

Claims (11)

1. A wrench tool with switchable manual or electric operation mode, characterized in that: comprising: Head seat: it has a first accommodation slot and a communicating slot at the front end; Tool head: it is set in the first accommodation groove of the head seat, at least one end of which has a working end, and worm teeth are provided on the outer ring surface; Worm: It is arranged in the through groove of the head seat, the front end of the worm meshes with the worm teeth of the tool head, and the rear end is provided with a connecting seat. 2. The wrench tool with switchable manual or electric operation mode according to claim 1, characterized in that: a second accommodating groove communicating with the first accommodating groove and the through groove is further provided in the said head seat , and an intermediate worm gear which is engaged with the worm gear of the tool head and the worm screw is installed in the second accommodating groove. 3. The wrench tool with switchable manual or electric operation mode according to claim 1, characterized in that: a gland and a C-shaped buckle are provided above the first accommodating groove of the head seat to limit the tool head at Inside the head seat. 4. The wrench tool with switchable manual or electric operation mode according to claim 1, characterized in that: a ring groove is opened on the worm, and it is placed on the outside of the head seat relative to the two sides of the ring groove. There are positioning pins to limit the worm. 5. The wrench tool with switchable manual or electric operation mode according to claim 1, characterized in that: a handle with a motor is connected to the rear end of the worm in the headstock, and the motor drives the tool head to rotate. 6. The wrench tool with switchable manual or electric operation mode according to claim 5, characterized in that: a screw cap with a C-shaped buckle is set at the rear end of the head seat, and at the front end of the handle A threaded section is provided, and the threaded section of the handle is screwed with the screw cap, and the handle is connected and assembled at the rear end of the head seat. 7. The wrench tool with switchable manual or electric operation mode according to claim 5, characterized in that: the handle is equipped with a power supply battery, a motor and a gear box, and the output shaft of the gear box is a connecting device It is arranged on the connecting seat at the rear end of the worm, and a switch for controlling the steering of the motor is arranged on the outside of the handle. 8. The wrench tool with switchable manual or electric operation mode according to claim 7, characterized in that: the power supply battery in the handle is a general battery or a rechargeable battery, or can be connected to a rectifier to be powered by a general household Mains powered. 9. The wrench tool with switchable manual or electric operation mode according to claim 7, characterized in that: the end of the output shaft of the gearbox in the handle is provided with a multi-angle hole connector to connect with the rear end of the worm The connection seats are connected to each other. 10 . The wrench tool switchable between manual and electric operation modes according to claim 1 , characterized in that: a manual driving tool is connected to the rear end of the worm in the head seat. 11 . 11. The wrench tool switchable between manual and electric operation modes according to claim 10, characterized in that: said manual driving tool is a handle with a manual rocker.

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