CN107984579B - Firewood chopping tool - Google Patents

Abstract

A wood chopping tool. The invention relates to the field of daily necessities, in particular to the improvement of the tools for chopping wood. The utility model has the advantages of compact structure, convenient use, low manufacturing cost and no follow-up cost, no safety hazard after use, and high action efficiency. It includes a chopping assembly and a fixed pile; the fixed pile includes a box body, an unlocking pedal, a pressing rod, an unlocking block, a lever, a driving block, at least one guide rail and a pair of clamping assemblies, and the clamping assemblies include a clamping plate, a spring and a fixing plate, the fixing plate is fixedly connected at the edge of the top surface of the box body, and a pair of sliding holes symmetrically arranged along the center thereof are also opened on the top surface of the box body, and the middle part of the splint is slidably connected in the sliding holes , the spring abuts between the splint and the fixing plate; the guide rail is vertically arranged and fixedly connected in the box body, and the drive block is sleeved with the guide rail. On the whole, it has the advantages of stable action, high action efficiency, low labor intensity, low manufacturing cost, no follow-up cost, and no potential safety hazards.

Description

a wood chopping tool

technical field

The present invention relates to the field of daily necessities, in particular to the improvement of the wood chopping tool.

Background technique

At present, when people chop wood, they usually place the wood vertically on the wood chopping pile, and then use an axe to chop, which has low work efficiency and high labor intensity. People who use firewood usually have low income levels, and automated firewood splitting equipment often has high procurement costs and use costs. Therefore, how to enable people to purchase tools that have no subsequent energy consumption at a lower procurement cost and can assist in chopping wood in a convenient and scaled manner, thereby reducing labor intensity and improving the efficiency of chopping wood, has become an urgent technical problem to be solved.

SUMMARY OF THE INVENTION

Aiming at the above problems, the present invention proposes a wood chopping tool with compact structure, convenient use, low manufacturing cost, no follow-up cost, no potential safety hazard after use, and high action efficiency.

The technical scheme of the present invention is: comprising a chopping assembly and a fixed pile;

The fixing pile includes a box body, an unlocking pedal, a pressing rod, an unlocking block, a lever, a driving block, at least one guide rail and a pair of clamping assemblies, the clamping assemblies include a clamping plate, a spring and a fixing plate, the fixing plate It is fixedly connected at the edge of the top surface of the box body. The top surface of the box body is also provided with a pair of sliding holes symmetrically arranged along its center. between the fixed plates; the guide rail is vertically arranged and fixedly connected in the box, the drive block is sleeved with the guide rail, one end of the connecting rod is hinged at the bottom of the splint, and the other end is hinged at the middle of the drive block ;

One side of the box body is provided with a lateral sliding hole, one end of the unlocking pedal is inserted into the lateral sliding hole, the unlocking block is slidably connected to the inner side wall of the box body, and the pressing rod is fixed Connected between the unlocking pedal and the unlocking block; the driving block is provided with a horizontally arranged elongated sliding hole 1, the unlocking block is provided with a horizontally arranged elongated sliding hole 2, and the middle of the lever is hinged A rotating shaft 1 and a rotating shaft 2 are respectively fixedly connected in the box body and the two ends of the lever, the rotating shaft 1 is penetrated in the elongated sliding hole 1, and the rotating shaft 2 is penetrated in the elongated sliding hole 2;

The chopper assembly includes a fixed frame, a top beam, a driven rod, an axe, a compression spring and a top beam reset assembly, the fixed frame is fixedly connected to one side of the fixed pile, and the top beam reset assembly is fixedly connected to the fixed pile. On the other side of the top beam, one end of the top beam is connected to the top beam reset assembly, and the other end is slidably connected to the fixing frame. The bottom end of the rod is hinged on the fixing frame, and the top end is fixedly connected with a rotating shaft three, the rotating shaft three is penetrated in the elongated sliding hole three, and the axe is fixedly connected to the upper part of the driven rod and faces downwards setting, the compression spring is arranged above the driven rod and abuts between the driven rod and the fixing frame;

The top beam reset assembly includes a reset pedal, a driving screw, a threaded seat, a driven screw, and a locking assembly. The threaded seat is vertically arranged and fixedly connected to the side of the fixing pile away from the fixing frame. The driven screw Passing through the threaded seat, the driven screw and the threaded seat are connected by threads, and the top end of the driven screw is hinged with the end of the top beam away from the fixing frame, and the reset pedal is slidably connected on the side of the threaded seat away from the fixing pile , the active screw thread penetrates the reset pedal and is connected with the reset pedal through threads, the two ends of the active screw rod are connected with the outer wall of the threaded seat through two hinge seats, and the top end of the active screw rod is connected to the driven screw through a linkage assembly The screw is interlocked, and the locking component is connected to the threaded seat and used to lock the driven screw.

At least the side surface of the splint is provided with an upper limit protrusion and a lower limit protrusion, the upper limit protrusion is attached to the top surface of the outer wall of the box body, and the lower limit protrusion is attached to the box body. on the top surface of the inner wall.

The linkage assembly is provided with a casing sleeved on the driven screw, the locking assembly includes a base, a locking block and a locking spring, the base is fixedly connected to the casing, and the locking The block is slidably connected to the housing and is located on the side of the base facing the driven screw rod, and the locking spring is pressed between the locking block and the base.

The linkage component is a synchronous belt

The present invention can be divided into two parts: chopping firewood and changing firewood.

When changing firewood: the operator steps on the unlocking pedal, the unlocking block goes down, the driving block goes up, and the two plywoods open outward to be in an unlocked state; after the firewood is replaced, release the unlocking pedal, and the two plywoods will move inward under the action of the spring The firewood is clamped, and the driving block is passively descended, and the unlocking block and the unlocking pedal ascend and reset. It can effectively avoid casualties caused by the collapse of wood blocks in the process of chopping wood, and can effectively support the wood instead of human hands. It has the advantages of stable clamping, simple operation, low manufacturing cost, no follow-up costs, and no potential safety hazards. .

When chopping wood: the operator steps on the reset pedal, the active screw rotates, and the driven screw rises while rotating. After the top beam rises in place, the locking component stops the rotation of the driven screw, so that the height of the top beam can be kept constant. After that, the operator can control the locking assembly to release when the firewood is replaced and wait for the chopping, so that the axe can quickly descend under the force of its own weight and the compression spring to complete the chopping action. Under the premise of no energy consumption, it stably and efficiently replaces the action of manual axe chopping, and because the operator needs to leave the fixed pile when chopping, it also greatly reduces the safety hazard when chopping wood, and it has the action as a whole. It has the advantages of stability, high action efficiency, low labor intensity, low manufacturing cost, no follow-up cost, and no potential safety hazards.

Description of drawings

Figure 1 is a schematic diagram of the structure of this case,

Fig. 2 is the structural schematic diagram of the fixed pile in this case,

Fig. 3 is a top view of Fig. 2,

Fig. 4 is A-A sectional view of Fig. 2;

In the figure, 1 is a fixed pile, 11 is a box, 12 is an unlocking pedal, 13 is a pressure rod, 14 is an unlocking block, 140 is a long through hole, 15 is a lever, 151 is a rotating shaft, and 1522 is a rotating shaft. 16 is a driving block, 160 is a long through hole 2, 17 is a guide rail, 18 is a clamping assembly, 181 is a splint, 182 is a spring, 183 is a fixing plate, and 184 is a connecting rod;

2 is the chopping component, 21 is the fixing frame, 22 is the top beam, 220 is the elongated through hole 3, 23 is the driven rod, 24 is the axe, 25 is the compression spring, 26 is the top beam reset component, 261 is the reset Pedal, 262 is the driving screw, 263 is the threaded seat, 264 is the driven screw, 265 is the locking assembly, 2651 is the base, 2652 is the locking block, 2653 is the locking spring, and 2654 is the handle.

Detailed ways

As shown in Figures 1-4, the present invention includes a chopping assembly 2 for chopping firewood and a fixed pile 1 for supporting the firewood;

The fixed pile 1 includes a hollow box 11, an unlocking pedal 12, a pressing rod 13, an unlocking block 14, a lever 15, a driving block 16, at least one guide rail 17 and a pair of clamping assemblies 18. The clamping assemblies 18 It includes a splint 181, a spring 182, a fixing plate 183 and a connecting rod 184. The fixing plate 183 is fixedly connected to the edge of the top surface of the box body 11. A sliding hole, the middle of the splint 181 is slidably connected in the sliding hole, the spring 182 is pressed between the splint 181 and the fixing plate 183; the guide rail 17 is vertically arranged and fixedly connected in the box 11, the The driving block 16 is sleeved on the guide rail 17, one end of the connecting rod 184 is hinged to the bottom of the splint 181, and the other end is hinged to the middle of the driving block 16; in this way, the two splints will be kept toward the box under the action of the two springs. When the driving block moves up and down along the guide rail, it will drive the two splints to spread outward or clamp inward;

One side of the box body 11 is provided with a lateral sliding hole, one end of the unlocking pedal 12 penetrates into the lateral sliding hole, and the unlocking block 14 is slidably connected to the inner side wall of the box body 11, so The pressing rod 13 is fixedly connected between the unlocking pedal 12 and the unlocking block 14; the driving block 16 is provided with a horizontally arranged elongated sliding hole 160, and the unlocking block 14 is provided with a horizontally arranged elongated The second sliding hole 140, the middle of the lever 15 is hinged in the box 11, and the two ends of the lever 15 are fixedly connected with a rotating shaft 1 and a rotating shaft 2 respectively, the rotating shaft 1 is penetrated in the elongated sliding hole 1 160, The second rotating shaft is arranged in the elongated sliding hole 2 140; in this way, when people step on the unlocking pedal, the unlocking block will go down synchronously, thereby using the lever to lift the driving block upward, and then driving the two splints to open outwards It is in the unlocked state; after the firewood is removed or replaced, release the unlocking pedal, and the two plywoods will clamp the firewood inward under the action of the spring. At this time, the driving block will passively descend, thereby driving the unlocking block and the unlocking pedal in the opposite direction. Upstream reset.

The chopper assembly 2 includes a fixed frame 21, a top beam 22, a driven rod 23, an axe 24, a compression spring 25 and a top beam reset assembly 26. The fixed frame 21 is fixedly connected to one side of the fixed pile 1. The The top beam reset assembly 26 is fixedly connected to the other side of the fixed pile 1, one end of the top beam 22 is connected to the top beam reset assembly 26, and the other end is slidably connected to the fixing frame 21, and the top beam 22 is provided with There is a horizontally arranged elongated sliding hole 3 220, the bottom end of the driven rod 23 is hinged on the fixing frame 21, and the top end is fixedly connected with a rotating shaft 3, and the rotating shaft 3 passes through the elongated sliding hole. In 220, the axe head 24 is fixedly connected to the upper part of the driven rod 23 and is arranged downward, and the compression spring 25 is arranged above the driven rod 23 and abuts between the driven rod 23 and the fixing frame 21 ; In this way, when the top beam reset component has no upward force, the axe will quickly descend under the force of its own weight and the compression spring (arc downward movement around the hinge point of the driven rod and the fixed frame), thus completing the Efficient chopping action;

The top beam reset assembly 26 includes a reset pedal 261, a driving screw 262, a threaded seat 263, a driven screw 264 and a locking assembly 265. The threaded seat 263 is vertically arranged and fixedly connected to the fixing pile 1 away from the fixing frame 21. The driven screw 264 is inserted into the threaded seat 263, the driven screw 264 and the threaded seat 263 are threadedly connected, and the top of the driven screw 264 is hinged to the end of the top beam 22 away from the fixing frame 21 , the reset pedal 261 is slidably connected to the side of the threaded seat 263 away from the fixing pile 1 , the driving screw 262 passes through the reset pedal 261 and is connected with the reset pedal 261 through threads, and both ends of the driving screw 262 The two hinge seats are connected to the outer wall of the threaded seat 263, and the top end of the driving screw 262 is linked with the driven screw 264 through a linkage assembly. The locking assembly 265 is connected to the threaded seat 263 and is used to lock the driven screw Move the screw 264. In this way, when a firewood chopping action is completed, the operator can keep the locking assembly released and at the same time depress the reset pedal, thereby driving the driving screw to rotate, and under the driving of the linkage assembly, the driven screw rotates and rises. After the top beam is raised in place, the height of the top beam can be kept unchanged by locking the driven screw rod by the locking assembly; after that, the operator can control the locking assembly to release when the firewood is replaced and waiting for chopping. , so that the axe quickly descends under the action of its own weight and the force of the compression spring to complete the action of chopping wood.

To sum up, this case can be divided into two parts: chopping firewood and changing firewood.

When changing firewood: the operator steps on the unlocking pedal, the unlocking block goes down, the driving block goes up, and the two plywoods open outward to be in an unlocked state; after the firewood is replaced, release the unlocking pedal, and the two plywoods will move inward under the action of the spring The firewood is clamped, and the driving block is passively descended, and the unlocking block and the unlocking pedal ascend and reset. It can effectively avoid casualties caused by the collapse of wood blocks in the process of chopping wood, and can effectively support the wood instead of human hands. It has the advantages of stable clamping, simple operation, low manufacturing cost, no follow-up costs, and no potential safety hazards. .

When chopping wood: the operator steps on the reset pedal, the active screw rotates, and the driven screw rises while rotating. After the top beam rises in place, the locking component stops the rotation of the driven screw, so that the height of the top beam can be kept constant. After that, the operator can control the locking assembly to release when the firewood is replaced and wait for the chopping, so that the axe can quickly descend under the force of its own weight and the compression spring to complete the chopping action. Under the premise of no energy consumption, it stably and efficiently replaces the action of manual axe chopping, and because the operator needs to leave the fixed pile when chopping, it also greatly reduces the safety hazard when chopping wood, and it has the action as a whole. It has the advantages of stability, high action efficiency, low labor intensity, low manufacturing cost, no follow-up cost, and no potential safety hazards.

At least the side surface of the splint is provided with an upper limit protrusion and a lower limit protrusion, the upper limit protrusion is attached to the top surface of the outer wall of the box body, and the lower limit protrusion is attached to the box body. the top surface of the inner wall. Therefore, it is ensured that the plywood can and can only perform horizontal linear reciprocating motion, thereby ensuring that when the unlocking pedal is stepped on, the two plywood can be stably spread outward, and when the unlocking pedal is released, the two plywood can efficiently clamp the firewood.

The fixing pile includes four guide rails, and the elongated through holes are located on one side of the four guide rails facing the unlocking pedal. Thus, the problem of motion interference is effectively avoided.

The splint is in the shape of an arc surface, and the central angle of the arc surface is 10-90°. That is to say, the plywood is manufactured in a cambered shape of less than a quarter arc, so that the plywood has a wider application range and can hold the firewood more stably.

The linkage assembly is provided with a casing that is sleeved with the driven screw. The locking assembly 265 includes a base 2651, a locking block 2652 and a locking spring 2653. The base 2651 is fixedly connected to the casing. , the locking block 2652 is slidably connected to the cover, and is located on the side of the base 2651 facing the driven screw 264 , and the locking spring 2653 abuts between the locking block 2652 and the base 2651 . In this way, in normal state, the locking block will always be pressed against the surface of the driven screw, so that the driven screw cannot rotate, so that the top beam also remains stationary, and when the operator puts the firewood in place and leaves the fixed pile, the lock can be pulled Tighten the block, so that it compresses the locking spring to translate on the top surface of the casing, thereby loosening the driven screw, so that the driving screw and the driven screw can idle freely when the axe falls.

An arc-shaped handle 2654 is also fixedly connected to the top surface of the locking block. Therefore, it is convenient for the operator to hold the lock block, thereby facilitating the operation of the locking block.

The linkage assembly is a synchronous belt.

The reset pedal is provided with a one-way ratchet, the one-way ratchet is provided with an active nut, the active screw is penetrated in the active nut, and is connected with the active nut through threads, and the bottom surface of the reset pedal is connected There is a return spring sleeved on the driving screw. In this way, only when the reset pedal is pressed, the torque is transmitted to the active screw; and when the operator releases the reset pedal, it will reset upward under the action of the return spring, and at this time, no torque will be transmitted to the active screw ; thereby greatly improving the operational convenience of the reset pedal and the overall movement stability of the top beam reset assembly.

Claims (4)

1. a wood chopping tool, is characterized in that, comprises chopping assembly and fixed stake; The fixing pile includes a box body, an unlocking pedal, a pressing rod, an unlocking block, a lever, a driving block, at least one guide rail and a pair of clamping assemblies, the clamping assemblies include a clamping plate, a spring and a fixing plate, the fixing plate It is fixedly connected at the edge of the top surface of the box body. The top surface of the box body is also provided with a pair of sliding holes symmetrically arranged along its center. between the fixed plates; the guide rail is vertically arranged and fixedly connected in the box, the drive block is sleeved with the guide rail, one end of the connecting rod is hinged at the bottom of the splint, and the other end is hinged at the middle of the drive block; One side of the box body is provided with a lateral sliding hole, one end of the unlocking pedal is inserted into the lateral sliding hole, the unlocking block is slidably connected to the inner side wall of the box body, and the pressing rod is fixed Connected between the unlocking pedal and the unlocking block; the driving block is provided with a horizontally arranged elongated sliding hole 1, the unlocking block is provided with a horizontally arranged elongated sliding hole 2, and the middle of the lever is hinged A rotating shaft 1 and a rotating shaft 2 are respectively fixedly connected in the box body and the two ends of the lever, the rotating shaft 1 is penetrated in the elongated sliding hole 1, and the rotating shaft 2 is penetrated in the elongated sliding hole 2; The chopper assembly includes a fixed frame, a top beam, a driven rod, an axe, a compression spring and a top beam reset assembly, the fixed frame is fixedly connected to one side of the fixed pile, and the top beam reset assembly is fixedly connected to the fixed pile. On the other side of the top beam, one end of the top beam is connected to the top beam reset assembly, and the other end is slidably connected to the fixing frame. The bottom end of the rod is hinged on the fixing frame, and the top end is fixedly connected with a rotating shaft three, the rotating shaft three is penetrated in the elongated sliding hole three, and the axe is fixedly connected to the upper part of the driven rod and faces downwards setting, the compression spring is arranged above the driven rod and abuts between the driven rod and the fixing frame; The top beam reset assembly includes a reset pedal, a driving screw, a threaded seat, a driven screw, and a locking assembly. The threaded seat is vertically arranged and fixedly connected to the side of the fixing pile away from the fixing frame. The driven screw Passing through the threaded seat, the driven screw and the threaded seat are connected by threads, and the top end of the driven screw is hinged with the end of the top beam away from the fixing frame, and the reset pedal is slidably connected on the side of the threaded seat away from the fixing pile , the active screw thread penetrates the reset pedal and is connected with the reset pedal through threads, the two ends of the active screw rod are connected with the outer wall of the threaded seat through two hinge seats, and the top end of the active screw rod is connected to the driven screw through a linkage assembly The screw is interlocked, and the locking component is connected to the threaded seat and used to lock the driven screw. 2 . The wood splitting tool according to claim 1 , wherein an upper limit protrusion and a lower limit protrusion are provided on at least the side surface of the splint, and the upper limit protrusion is fitted on the box body. 3 . On the top surface of the outer wall, the lower limit protrusion is attached to the top surface of the inner wall of the box body. 3 . The wood splitting tool according to claim 1 , wherein the linkage assembly is provided with a casing that is sleeved with the driven screw rod, and the locking assembly comprises a base, a locking block and a lock. 4 . A tightening spring, the base is fixedly connected to the cover, the locking block is slidably connected to the cover, and is located on the side of the base facing the driven screw, the locking spring is against the locking block between the base. 4 . The wood splitting tool according to claim 1 , wherein the linkage assembly is a timing belt. 5 .

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