CN113752200A - Novel adjustable wrench - Google Patents

Abstract

The invention discloses a novel adjustable wrench, which comprises a main body frame, a first movable clamp and a second movable clamp, wherein the first movable clamp and the second movable clamp are positioned at the left side and the right side of the upper end of the main body frame, the upper end of the main body frame is provided with a sliding groove, the lower part of the first movable clamp is arranged in the sliding groove in a sliding way, the first movable clamp can move towards or away from the second movable clamp under the action of a sliding piece, the upper end of the main body frame is provided with a sliding groove which is obliquely matched with the second movable clamp in a sliding way, the upper end of the sliding groove is arranged towards the direction away from the first movable clamp, the bottom of the second movable clamp is provided with a driving piece, the second movable clamp can change between a first state and a second state under the action of the driving piece, wherein in the first state, the second movable clamp retracts into the sliding groove, an accommodating cavity becomes small, the accommodating cavity and a part to be screwed are in a clamping state, in the second state, the second activity pincers stretch out the spout, hold the chamber grow, hold the chamber and wait to twist the part and be in the state of loosening.

Description

Novel adjustable wrench

Technical Field

The invention relates to the technical field of manual tools, in particular to a novel adjustable wrench.

Background

At present, most of the wrenches commonly used in production and life only have certain functions, such as a solid wrench, which can only tighten screws with fixed sizes, an adjustable wrench which can tighten screws with different sizes but cannot continuously and quickly tighten the screws, and a ratchet wrench which can continuously tighten the screws but can generally tighten the screws with fixed sizes. When screws with different sizes need to be screwed, the head of the ratchet wrench is generally replaced, which is inconvenient.

At present, the wrench in the market is almost not suitable for screws with different sizes, and can continuously and quickly screw the screws on the premise of not separating from screw caps, even if the wrench has the mechanical structure, the mechanical structure is generally poor, the torque is small, and the industrial-grade wrench cannot be achieved.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a novel adjustable wrench, which is simple and convenient to operate, can be suitable for screws with different sizes, can be quickly and continuously screwed on the premise of not separating from a nut, has a stable mechanical structure and can reach an industrial level.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a novel adjustable wrench, which comprises a main body frame, a first movable clamp and a second movable clamp, wherein the first movable clamp and the second movable clamp are positioned at the left side and the right side of the upper end of the main body frame, a containing cavity for containing a part to be screwed is formed between the first movable clamp and the second movable clamp, the upper end of the main body frame is provided with a sliding groove, the lower part of the first movable clamp is arranged in the sliding groove in a sliding manner, the first movable clamp can move towards or away from the second movable clamp under the action of a sliding part, the upper end of the main body frame is provided with a sliding groove which is obliquely matched with the second movable clamp in a sliding manner, the upper end of the sliding groove is arranged towards the direction away from the first movable clamp, the bottom of the second movable clamp is provided with a driving part, and the second movable clamp can change between a first state and a second state under the action of the driving part, under the second state, the second movable pliers extend out of the sliding groove, the accommodating cavity becomes large, and the accommodating cavity and the part to be screwed are in a loosening state.

Furthermore, the driving piece comprises a first connecting rod, a second connecting rod, a first elastic piece and a button, the first connecting rod, the second connecting rod and the first elastic piece are located inside the main body frame, one end of the first connecting rod is connected with the bottom of the second movable clamp, the other end of the first connecting rod is connected with the second connecting rod, the other end of the second connecting rod is connected with a second adjusting screw at the bottom inside the main body frame through the first elastic piece, the button is arranged outside the main body frame in a sliding mode, the back of the button is fixedly connected with the second connecting rod, and the second connecting rod can be driven to move up and down under the action of the button. During the use, through upwards or promote the button downwards, can drive the second connecting rod and reciprocate, and then drive the second through first connecting rod and move about along the spout to realized that the second moves about pincers and change between first state and second state, through setting up first elastic component, can make second connecting piece automatic re-setting, and then realized the quick automatic re-setting of head rod and second move about pincers.

Further, when the starting state of the novel adjustable wrench is the first state, the button can drive the second connecting rod to move upwards under the action of external force. When the wrench is used, the first movable clamp is moved through the sliding piece, so that the size of the accommodating cavity is adjusted to adapt to a part to be screwed, when the opening is used for just clamping the part to be screwed, when the part to be screwed is in a screwed state and needs to be unscrewed, the wrench is forcibly rotated for a certain number of degrees in the unscrewing direction by taking the part to be screwed as a circle center, when the wrench starts to be screwed and rotated, because the part to be screwed is tightened, the edge corner of the part to be screwed upwards pushes the second movable clamp to slide upwards along the chute, the second movable clamp can drive the first connecting rod, the second connecting rod, the button and the first elastic piece to move upwards, at the moment, the accommodating groove is suddenly enlarged, the part to be screwed can not be driven to rotate together when the wrench is rotated, and when the wrench is rotated for a certain number of degrees, the second movable clamp is pulled back to the bottom in the chute by the first elastic piece, so that the second movable clamp is restored to the initial state, the wrench clamps the part to be screwed again, the part to be screwed is screwed continuously in the unscrewing direction, and the part to be screwed can be screwed continuously in one direction by repeating the operation; when the part to be screwed is in a loose state and needs to be further unscrewed, the wrench is rotated for a certain number of degrees in the unscrewing direction by taking the part to be screwed as a circle center, the button is required to be pushed upwards at the moment when the wrench needs to rotate, the first connecting rod and the second connecting rod are driven to move upwards, the second movable clamp can be driven to slide upwards along the chute, the opening of the accommodating tank is enlarged, the wrench can rotate without driving the part to be screwed together when the wrench rotates for a certain number of degrees, the button is released when the wrench rotates for a certain number of degrees, the second movable clamp can be pulled back to the inner bottom of the chute under the action of the first elastic piece, the second movable clamp restores to the initial state, the wrench clamps the part to be screwed again, the part to be screwed is continuously screwed in the unscrewing direction at the moment, and the operation is repeated, the component to be screwed can be screwed towards one direction continuously and repeatedly.

Further, when the starting state of the novel adjustable wrench is the second state, the driving piece further comprises a second elastic piece, the first connecting rod and the second connecting rod are provided with the second elastic piece therebetween, the button can drive the second connecting rod to move downwards under the action of external force, and when the second connecting rod moves to the bottommost part, the button is fixed outside the main body frame through the clamping mechanism. When the wrench is used, the button drives the second connecting rod to slide downwards, the second elastic piece pulls the first connecting rod, the first connecting rod pulls the second movable clamp to slide downwards to the bottommost part, the first movable clamp is moved by the sliding piece, the size of the accommodating cavity is adjusted to adapt to the part to be screwed, if the part to be screwed is loosened, the front action, namely the action of pulling the button downwards is repeated when the part to be screwed is screwed each time, and the wrench is rotated to screw the part to be screwed after the part to be screwed is clamped; if the part to be screwed is tight, the button is pulled downwards to the bottommost part, the button is fixed on the main body frame through the clamping mechanism, at the moment, the button is released, the part to be screwed is clamped in the accommodating cavity, and the part to be screwed is not driven to rotate together when the wrench rotates under the action of the second elastic piece and the third elastic piece.

Furthermore, the bottom of the first connecting rod is further connected with a third elastic piece, one end, far away from the first connecting rod, of the third elastic piece is provided with a first adjusting screw, the first adjusting screw is arranged inside the main body frame, and the first adjusting screw can move in a main body threaded hole in the main body frame through an adjusting tool. The elasticity of the second elastic piece is adjusted by adjusting the advancing or retreating of the first adjusting screw through the matching action of the third elastic piece and the first adjusting screw.

Furthermore, a second adjusting screw is arranged at the bottom of the first elastic piece, the lower end of the second adjusting screw is arranged in a tail threaded hole of the main body frame, and the second adjusting screw can move in the tail threaded hole of the main body frame through an adjusting tool. When the spanner is used, the elasticity of the first elastic piece is adjusted by adjusting the advancing or retreating of the second adjusting screw, so that the overall elasticity is moderate, and the spanner is convenient to use.

Furthermore, first activity pincers lower part orientation second activity pincers one end is equipped with the open slot that supplies the head rod to pass through, set up flutedly on one of them capping of open slot, be equipped with the support column in the recess, be equipped with the fastener in the open slot, the fastener with two capping facies of open slot are mutually perpendicular, fastener one end through the fourth elastic component with the support column is connected, the fastener other end with another capping facies of open slot is mutually perpendicular, just the fastener other end with reserve between another capping of open slot has certain clearance. When a spanner is used for screwing a part to be screwed, which is small in size, the first movable clamp is prevented from approaching to the second movable clamp due to the arrangement of the first connecting rod, the lower part of the first movable clamp is provided with the open slot for the first connecting rod to pass through, so that the accommodating cavity is smoothly adjusted from larger size to smaller size, but the structural strength of the first movable clamp is reduced due to the arrangement of the open slot, the slot wall of the open slot can be propped against by the clamping piece to play a role in increasing the structural strength of the first movable clamp, meanwhile, the other end of the clamping piece is connected with the supporting column in the groove through the fourth elastic piece, when the first connecting rod touches the clamping piece in the moving process, the clamping piece can be pushed by the first connecting rod to rotate to the other side, when the clamping piece is separated from the first connecting rod, the clamping piece is restored to the position vertical to the slot surface of the open slot under the elasticity of the fourth elastic piece, thereby continuously playing the effect of strengthening the structural strength to first activity pincers.

Further, the button is provided with two, two the button symmetry sets up in the outside relative both sides of main part frame. Through setting up, the spanner positive and negative all can be operated, and it is more convenient to use.

Furthermore, the sliding part comprises an adjusting rotating wheel, a rotating shaft and a fifth elastic part, an adjusting groove is formed in the main body frame, the adjusting rotating wheel is located in the adjusting groove, the rotating shaft is arranged in the adjusting rotating wheel, the fifth elastic part is arranged between the adjusting rotating wheel and the rotating shaft, and the adjusting rotating wheel is meshed with the lower portion of the first movable pliers.

Furthermore, a stopping column is arranged on one side, away from the second movable clamp, of the main body frame, and a bayonet groove matched with the first movable clamp is formed in one side, facing the stopping column, of the first movable clamp. Through the cooperation of stopping post and bayonet socket groove, can outwards remove first activity pincers and carry on spacingly, avoid first activity pincers to break away from the sliding tray, guaranteed the normal use of spanner.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the sliding part drives the first movable clamp to move towards or away from the second movable clamp, so that the size of the accommodating cavity can be adjusted, the adjustable screw wrench is suitable for parts to be screwed with different sizes, the second movable clamp is arranged in the obliquely arranged chute in a sliding manner, and the second movable clamp can be driven to slide along the chute under the action of the driving part, so that the second movable clamp can change between a first state and a second state, the size of the accommodating cavity can be changed instantly, the quick and continuous screwing of the parts to be screwed on the premise of not deviating from the parts to be screwed can be realized, the mechanical structure is stable, and the industrial grade can be reached.

Drawings

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

FIG. 1 is a schematic view showing the overall structure of a novel adjustable wrench in embodiment 1;

FIG. 2 is a left side view of the new adjustable spanner of embodiment 1;

FIG. 3 is a schematic structural view of a main body frame in embodiment 1;

FIG. 4 is a schematic structural view of the novel adjustable wrench of embodiment 1 with the main frame removed;

FIG. 5 is a perspective view of the new adjustable wrench of embodiment 1 with the main body frame removed;

FIG. 6 is a schematic structural view of a first movable jaw in embodiment 1;

FIG. 7 is an enlarged view taken at A in FIG. 6;

FIG. 8 is a schematic view showing the overall structure of the new adjustable wrench of embodiment 2;

FIG. 9 is a schematic view showing an internal structure of a new adjustable wrench according to embodiment 2;

FIG. 10 is a schematic view of a structure at a push button in embodiment 2;

wherein, the specific reference numbers are: main body frame 1, sliding tray 2, by post 3, first activity pincers 4, bayonet socket 5, open slot 6, recess 7, support column 8, fastener 9, fourth elastic component 10, adjustment tank 11, adjust runner 12, pivot 13, fifth elastic component 14, second activity pincers 15, spout 16, head rod 17, second connecting rod 18, first elastic component 19, second adjusting screw 20, button 21, second elastic component 22, fastener 23, buckle 24, third elastic component 25, first adjusting screw 26 holds chamber 27.

Detailed Description

Example 1

Embodiment 1 of the present invention discloses a novel adjustable wrench, as shown in fig. 1 to 5, comprising a main frame 1, a first movable jaw 4 and a second movable jaw 15, wherein the first movable jaw 4 and the second movable jaw 15 are located at the left and right sides of the upper end of the main frame 1, a receiving cavity 27 for receiving a member to be screwed is formed between the first movable jaw 4 and the second movable jaw 15, the upper end of the main frame 1 is provided with a sliding groove 2, the lower portion of the first movable jaw 4 is slidably disposed in the sliding groove 2, the first movable jaw 4 can move towards or away from the second movable jaw 15 under the action of a sliding member, the upper end of the main frame 1 is provided with a sliding groove 16 which is slidably engaged with the second movable jaw, the upper end of the sliding groove 16 is disposed towards the direction away from the first movable jaw 4, the bottom of the second movable jaw 15 is provided with a driving member, the second movable jaw 15 can change between a first state and a second state under the action of the driving member, in the first state, the second movable jaw 15 is retracted into the sliding slot 16, the accommodating cavity 27 is reduced, the accommodating cavity 27 and the component to be screwed are in a clamping state, and in the second state, the second movable jaw 15 extends out of the sliding slot 16, the accommodating cavity 27 is enlarged, and the accommodating cavity 27 and the component to be screwed are in a loosening state.

In this embodiment, the starting state of the adjustable wrench is a first state, the driving member includes a first connecting rod 17, a second connecting rod 18, a first elastic element 19 and a button 21, the first connecting rod 17, the second connecting rod 18 and the first elastic element 19 are located inside the main body frame 1, one end of the first connecting rod 17 is connected to the bottom of the second movable wrench 15, the other end of the first connecting rod 17 is connected to the second connecting rod 18, the other end of the second connecting rod 18 is connected to the second adjusting screw 20 through the first elastic element 19, the second adjusting screw 20 is located in the tail threaded hole of the main body frame 1, the second adjusting screw 20 can move in the tail threaded hole of the main body frame 1 through the adjusting tool, in this embodiment, the first connecting rod 17 and the second movable wrench 15, the first connecting rod 17 and the second connecting rod 18 are all connected by a shaft, the button 21 is slidably disposed outside the main body frame, and the back of the button 21 is fixedly connected with the second connecting rod 18, the button 21 can be fixedly connected with the second connecting rod 18 by adopting a mode of connecting a screw and a threaded hole, and the button 21 can drive the second connecting rod 18 to move upwards under the action of external force.

When the wrench is used, the first movable clamp 4 is moved by the sliding part, so that the size of the accommodating cavity 27 is adjusted to adapt to a part to be screwed, when the opening just clamps the part to be screwed, if the part to be screwed is in a screwed state and needs to be unscrewed anticlockwise, after the wrench is forcibly rotated for a certain number of degrees in the unscrewing direction with the part to be screwed as a circle center, when the wrench starts to be screwed and rotated backwards, because the part to be screwed is tighter, the edge angle of the part to be screwed pushes the second movable clamp 15 upwards to slide upwards along the sliding chute 16, the second movable clamp 15 can drive the first connecting rod 17, the second connecting rod 18, the button 21 and the first elastic part 19 to move upwards, at the moment, the accommodating cavity 27 is suddenly enlarged, so that the part to be screwed can not be driven to rotate together when the wrench is rotated, and when the wrench is rotated for a certain number of degrees backwards, the second movable clamp 15 is pulled back to the inner bottom of the sliding chute 16 by the first elastic part 19, the second movable pliers 15 is enabled to recover the initial state, so that the wrench can not drive the part to be screwed to rotate together when rotating, the wrench clamps the part to be screwed again, at the moment, the part to be screwed is continuously screwed towards the unscrewing direction, and the part to be screwed can be continuously and repeatedly screwed towards one direction by repeating the operation; if the part to be screwed is in a loose state and needs to be further unscrewed, the wrench is rotated by a certain degree in the unscrewing direction with the part to be screwed as a circle center, when the wrench needs to be rotated, the button 21 needs to be pushed upwards to drive the first connecting rod 17 and the second connecting rod 18 to move upwards, the second movable clamp 15 can be driven to slide upwards along the chute 16, the opening of the accommodating tank is enlarged, when the wrench rotates by taking the part to be screwed as the circle center, the part to be screwed can not be driven to rotate together when the wrench rotates, when the wrench rotates by a certain degree, the button 21 is released, the second movable clamp 15 can be pulled back to the inner bottom of the chute 16 under the action of the first elastic element 19, the second movable clamp 15 returns to the initial state, the part to be screwed is clamped again by the wrench, and the part to be screwed continues to be screwed in the unscrewing direction, the above operation is repeated, and the member to be screwed is continuously and repeatedly screwed in one direction.

The bottom of the first elastic element 19 is provided with a second adjusting screw 20, the lower end of the second adjusting screw 20 is arranged in the tail threaded hole of the main body frame 1, and the second adjusting screw 20 can move in the tail threaded hole of the main body frame 1 through an adjusting tool. When the wrench is used, the elasticity of the first elastic piece 19 is adjusted by adjusting the forward movement or the backward movement of the second adjusting screw 20, so that the overall elasticity is moderate, and the wrench is convenient to use.

As shown in fig. 6 and 7, an open slot 6 through which a first connecting rod 17 passes is provided at the lower part of the first movable clamp 4 towards one end of the second movable clamp 15, a groove 7 is provided on one groove surface of the open slot 6, a supporting column 8 is provided in the groove 7, a clamping element 9 is provided in the open slot 6, the clamping element 9 is perpendicular to two groove surfaces of the open slot 6, one end of the clamping element 9 is connected with the supporting column 8 through a fourth elastic element 10, the other end of the clamping element 9 is perpendicular to the other groove surface of the open slot 6, and a certain gap is reserved between the other end of the clamping element 9 and the other groove surface of the open slot 6. When a wrench is used for twisting a part to be twisted with a smaller size, the arrangement of the first connecting rod 17 prevents the first movable clamp 4 from approaching the second movable clamp 15, the opening slot 6 is arranged at the lower part of the first movable clamp 4 for the first connecting rod 17 to pass through, so that the accommodating cavity 27 is smoothly adjusted from larger size to smaller size, but the arrangement of the opening slot 6 reduces the structural strength of the first movable clamp 4, the clamping piece 9 can be abutted against the slot wall of the opening slot 6 to play a role in increasing the structural strength of the first movable clamp 4, meanwhile, the other end of the clamping piece 9 is connected with the supporting column 8 in the groove 7 through the fourth elastic piece 10, when the clamping piece 9 is touched by the first connecting rod 17 in the moving process, the clamping piece 9 can be pushed by the first connecting rod 17 to rotate to the other side, when the clamping piece 9 is separated from the first connecting rod 17, the clamping piece 9 is restored to the position vertical to the slot surface of the second movable clamp 6 under the elasticity of the fourth elastic piece 10, thereby continuing to provide structural strength to the first movable jaw 4.

Wherein, button 21 can set up to one or two according to actual need, is provided with two buttons in this embodiment, and two button 21 symmetries set up in the outside relative both sides of main body frame, and through setting up, the spanner positive and negative all can be operated, and it is more convenient to use.

The sliding part comprises an adjusting rotating wheel 12, a rotating shaft 13 and a fifth elastic piece 14, an adjusting groove 11 is formed in the main body frame 1, the adjusting rotating wheel 12 is located in the adjusting groove 11, the rotating shaft 13 is arranged inside the adjusting rotating wheel 12, the fifth elastic piece 14 is arranged between the adjusting rotating wheel 12 and the rotating shaft 13, and the adjusting rotating wheel 12 is meshed with the lower portion of the first movable clamp 4.

Wherein, the main body frame 1 is provided with a stop column 3 at one side far away from the second movable pliers 15, and a bayonet slot 5 matched with the first movable pliers 4 is arranged at one side facing the stop column 3. Through the cooperation of stopping post 3 and bayonet socket 5, can outwards remove first activity pincers 4 and carry on spacingly, avoid first activity pincers 4 to break away from in the sliding tray 2, guaranteed the normal use of spanner.

Example 2

The embodiment 2 of the invention discloses a novel adjustable wrench, the embodiment 2 has the same basic characteristics as the embodiment 1, and the two have the technical difference that: as shown in fig. 8 to 10, in the present embodiment, when the starting state of the novel adjustable wrench is the second state, that is, the starting state of the wrench in embodiment 1 is that the second movable jaw 15 is retracted into the chute 16 of the main body frame 1, and the starting state of the wrench in embodiment 2 is that most of the second movable jaw 15 is extended out of the chute 16 of the main body frame 1; the driving member further includes a second elastic member 22, the second elastic member 22 is disposed between the first connecting rod 17 and the second connecting rod 18, the button 21 can drive the second connecting rod 18 to move downward under the action of an external force, when the second connecting rod 18 moves to the bottom, the button 21 is fixed outside the main frame 1 through a clamping mechanism, and the clamping mechanism can be a structure in which the clamping member 23 is matched with the buckle 24.

The bottom of the first connecting rod 17 is further connected with a third elastic element 25, one end of the third elastic element 25, which is far away from the first connecting rod 17, is provided with a first adjusting screw 26, the first adjusting screw 26 is disposed inside the main body frame 1, and the first adjusting screw 26 can move in a main body threaded hole on the main body frame 1 through an adjusting tool. The elastic force of the second elastic member 22 is adjusted by adjusting the advance or retreat of the first adjustment screw 26 through the cooperation of the third elastic member 25 and the first adjustment screw 26.

When the screwing tool is used, the button 21 drives the second connecting rod 18 to slide downwards, the second elastic piece 22 pulls the first connecting rod 17, the first connecting rod 17 pulls the second movable clamp 15 to slide downwards to the bottommost part, at the moment, the first movable clamp 4 is moved through the sliding piece, the size of the accommodating cavity 27 is adjusted to adapt to a part to be screwed, if the part to be screwed is loosened, the front action, namely the action of pulling the button 21 downwards, is repeated when the part to be screwed is screwed each time, and the part to be screwed is screwed by rotating the wrench after the part to be screwed is clamped; if the part to be screwed is screwed tightly, the button 21 is pulled downwards to the bottom, the button 21 is fixed on the main body frame 1 through the clamping mechanism, at this time, the button 21 is released, the part to be screwed is clamped in the accommodating cavity 27, under the combined action of the second elastic element 22 and the third elastic element 25, the part to be screwed can be rotated without being driven to rotate together, and the operation steps are the same as the screwing mode of the part to be screwed tightly in the embodiment 1.

According to the invention, the first movable pliers 4 is driven by the sliding part to move towards or away from the second movable pliers 15, the size of the accommodating cavity 27 can be adjusted, and the adjustable screwing tool is suitable for parts to be screwed with different sizes, the second movable pliers 15 is arranged in the obliquely arranged sliding groove 16 in a sliding manner, and the second movable pliers 15 can be driven to slide along the sliding groove 16 under the action of the driving part, so that the second movable pliers 15 can change between the first state and the second state, the size of the accommodating cavity 27 can be changed instantly, the quick and continuous screwing of the parts to be screwed on the premise of not deviating from the parts to be screwed can be realized, and the mechanical structure of the adjustable screwing tool is stable, and can reach an industrial level.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims (10)

1. A novel adjustable wrench is characterized by comprising a main body frame, a first movable clamp and a second movable clamp, wherein the first movable clamp and the second movable clamp are positioned on the left side and the right side of the upper end of the main body frame, a containing cavity for containing a part to be screwed is formed between the first movable clamp and the second movable clamp, the upper end of the main body frame is provided with a sliding groove, the lower part of the first movable clamp is arranged in the sliding groove in a sliding manner, the first movable clamp can move towards or away from the second movable clamp under the action of a sliding part, the upper end of the main body frame is provided with a sliding groove which is obliquely matched with the second movable clamp in a sliding manner, the upper end of the sliding groove is arranged towards the direction away from the first movable clamp, the bottom of the second movable clamp is provided with a driving part, and the second movable clamp can change between a first state and a second state under the action of the driving part, under the second state, the second movable pliers extend out of the sliding groove, the accommodating cavity becomes large, and the accommodating cavity and the part to be screwed are in a loosening state.

2. The adjustable wrench as claimed in claim 1, wherein the driving member includes a first connecting rod, a second connecting rod, a first elastic member and a button, the first connecting rod, the second connecting rod and the first elastic member are located inside the main frame, one end of the first connecting rod is connected to the bottom of the second movable wrench, the other end of the first connecting rod is connected to the second connecting rod, the other end of the second connecting rod is connected to the bottom of the main frame through the first elastic member, the button is slidably disposed outside the main frame, and the back of the button is fixedly connected to the second connecting rod, and the button can drive the second connecting rod to move up and down.

3. The adjustable wrench as claimed in claim 2, wherein the button is configured to drive the second connecting rod to move upward under an external force when the initial state of the adjustable wrench is the first state.

4. The adjustable wrench as claimed in claim 2, wherein when the initial state of the adjustable wrench is the second state, the driving member further includes a second elastic member, the second elastic member is disposed between the first connecting rod and the second connecting rod, the button can drive the second connecting rod to move downward under the action of external force, and when the second connecting rod moves to the bottom, the button is fixed outside the main frame by the engaging mechanism.

5. The adjustable wrench as claimed in claim 4, wherein a third resilient member is connected to the bottom of the first connecting rod, and a first adjusting screw is provided at an end of the third resilient member away from the first connecting rod, and the first adjusting screw is movable in a threaded hole of the main body frame by an adjusting tool.

6. The adjustable wrench as claimed in claim 3 or 4, wherein a second adjusting screw is provided at the bottom of the first elastic member, the lower end of the second adjusting screw is provided in the rear threaded hole of the main body frame, and the second adjusting screw is movable in the rear threaded hole of the main body frame by an adjusting tool.

7. The adjustable wrench as claimed in any one of claims 2 to 5, wherein an opening slot is provided at a lower portion of the first movable wrench facing the second movable wrench for a first connecting rod to pass through, one of the slot surfaces of the opening slot is provided with a groove, a supporting post is provided in the groove, a clamping member is provided in the opening slot, the clamping member is perpendicular to the two slot surfaces of the opening slot, one end of the clamping member is connected to the supporting post through a fourth elastic member, the other end of the clamping member is perpendicular to the other slot surface of the opening slot, and a gap is reserved between the other end of the clamping member and the other slot surface of the opening slot.

8. The novel adjustable wrench as claimed in any one of claims 2 to 5, wherein there are two of the buttons, and the two buttons are symmetrically disposed on opposite sides of the exterior of the main body frame.

9. The adjustable wrench as claimed in claim 1, wherein the sliding member includes an adjusting wheel, a rotating shaft and a fifth elastic member, the main frame has an adjusting slot, the adjusting wheel is located in the adjusting slot, the rotating shaft is disposed inside the adjusting wheel, the fifth elastic member is disposed between the adjusting wheel and the rotating shaft, and the adjusting wheel is engaged with the lower portion of the first adjustable wrench.

10. The adjustable wrench as claimed in claim 1, wherein the main frame has a stop post on a side thereof away from the second movable jaw, and the first movable jaw has a bayonet slot on a side thereof facing the stop post.

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