CN107984579B

CN107984579B - Firewood chopping tool

Info

Publication number: CN107984579B
Application number: CN201711237019.8A
Authority: CN
Inventors: 张印
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2020-02-28
Anticipated expiration: 2037-11-30
Also published as: CN107984579A

Abstract

A firewood chopping tool. Relates to the field of articles for daily use, in particular to the improvement of a firewood chopping tool. The structure is exquisite, convenient to use, low in manufacturing cost and have no subsequent cost, and the back of using does not have potential safety hazard and action efficiency height. Comprises a chopping assembly and a fixing pile; the fixing pile comprises a box body, an unlocking pedal, a pressure lever, an unlocking block, a lever, a driving block, at least one guide rail and a pair of clamping assemblies, wherein each clamping assembly comprises a clamping plate, a spring and a fixing plate; the guide rail is vertically arranged and fixedly connected in the box body, and the driving block is sleeved with the guide rail. The device has the advantages of stable action, high action efficiency, low labor intensity, low manufacturing cost, no subsequent cost and no potential safety hazard on the whole.

Description

Firewood chopping tool

Technical Field

The invention relates to the field of articles for daily use, in particular to an improvement of a wood splitting tool.

Background

At present, when people split firewood, the firewood is generally vertically placed on a firewood splitting pile, and then the axe is held to split and cut, so that the working efficiency is low, the labor intensity is high, on the contrary, various automatic firewood splitting devices are provided in the prior art, however, the income level of people using the firewood is not high, and the automatic firewood splitting devices often have higher purchase cost and use cost. Therefore, how to make people purchase a tool which has no subsequent energy consumption and can conveniently call a hand to assist in chopping firewood becomes a technical problem to be solved urgently.

Disclosure of Invention

Aiming at the problems, the invention provides the firewood chopping tool which is exquisite in structure, convenient to use, low in manufacturing cost, free of subsequent cost, free of potential safety hazard after being used and high in action efficiency.

The technical scheme of the invention is as follows: comprises a chopping assembly and a fixing pile;

the fixing pile comprises a box body, an unlocking pedal, a pressure lever, an unlocking block, a lever, a driving block, at least one guide rail and a pair of clamping assemblies, wherein each clamping assembly comprises a clamping plate, a spring and a fixing plate; the guide rail is vertically arranged and fixedly connected in the box body, the driving block is sleeved with the guide rail, one end of the connecting rod is hinged to the bottom of the clamping plate, and the other end of the connecting rod is hinged to the middle of the driving block;

one side of the box body is provided with a lateral sliding hole, one end of the unlocking pedal penetrates into the lateral sliding hole, the unlocking block is connected to the inner side wall of the box body in a sliding mode, and the pressing rod is fixedly connected between the unlocking pedal and the unlocking block; the driving block is internally provided with a horizontally arranged long-strip-shaped sliding hole I, the unlocking block is internally provided with a horizontally arranged long-strip-shaped sliding hole II, the middle part of the lever is hinged in the box body, two ends of the lever are respectively and fixedly connected with a rotating shaft I and a rotating shaft II, the rotating shaft I is arranged in the long-strip-shaped sliding hole I in a penetrating manner, and the rotating shaft II is arranged in the long-strip-shaped sliding hole II in a penetrating manner;

the chopping assembly comprises a fixing frame, a top beam, a driven rod, an axe, a pressure spring and a top beam resetting assembly, wherein the fixing frame is fixedly connected to one side of the fixed pile, the top beam resetting assembly is fixedly connected to the other side of the fixed pile, one end of the top beam is connected to the top beam resetting assembly, the other end of the top beam is connected to the fixing frame in a sliding mode, a horizontally arranged long strip-shaped sliding hole III is formed in the top beam, the bottom end of the driven rod is hinged to the fixing frame, the top end of the driven rod is fixedly connected with a rotating shaft III, the rotating shaft III is arranged in the long strip-shaped sliding hole III in a penetrating mode, the axe is fixedly connected to the upper portion of the driven rod and arranged downwards, and the pressure;

the back timber reset subassembly is including footboard, initiative screw rod, screw thread seat, driven screw rod and the locking subassembly that resets, the vertical setting of screw thread seat, and fixed connection are in the one side that the mount was kept away from to the spud pile, driven screw rod wears to establish in the screw thread seat, driven screw rod passes through threaded connection with the screw thread seat, and the top of driven screw rod is articulated with the one end that the mount was kept away from to the back timber, footboard sliding connection that resets keeps away from one side of spud pile at the screw thread seat, the initiative screw rod wears to establish the footboard, and pass through threaded connection with the footboard that resets, the both ends of initiative screw rod are connected through the outer wall of two articulated seats with the screw thread seat, and the top of initiative screw rod is through linkage subassembly and driven screw rod linkage, the locking subassembly is connected on the.

At least the side surface of the clamping plate is provided with an upper limiting bulge and a lower limiting bulge, the upper limiting bulge is attached to the top surface of the outer wall of the box body, and the lower limiting bulge is attached to the top surface of the inner wall of the box body.

The linkage assembly is externally provided with a housing sleeved with the driven screw, the locking assembly comprises a base, a locking block and a locking spring, the base is fixedly connected to the housing, the locking block is connected to the housing in a sliding mode and located on one side, facing the driven screw, of the base, and the locking spring is abutted between the locking block and the base.

The linkage component is a synchronous belt

When in use, the invention can be divided into two parts of wood splitting and wood changing.

When changing firewood: an operator steps on an unlocking pedal, an unlocking block descends, a driving block ascends, and the two clamping plates are opened outwards to be in an unlocking state; after the firewood is replaced, the unlocking pedal is loosened, the two clamping plates clamp the firewood inwards under the action of the spring, the driving block moves downwards passively, and the unlocking block and the unlocking pedal move upwards and reset. Can effectively avoid casualties caused by the fact that the wood blocks are cracked and flown in the wood splitting process, can replace hands to effectively hold the wood, and has the advantages of being stable in clamping, simple to operate, low in manufacturing cost, free of subsequent cost and free of potential safety hazards on the whole.

When splitting firewood: an operator steps on the reset pedal, the driving screw rotates, the driven screw rotates and ascends at the same time, and after the top beam ascends in place, the locking assembly stops the rotation of the driven screw, so that the height of the top beam can be kept unchanged; after that, when the operator waits for chopping after the firewood is replaced, the locking assembly is controlled to be loosened, so that the axe quickly moves downwards under the action of the dead weight and the pressure spring to finish chopping. On the premise of no energy consumption, the action of manually waving the axe for chopping is stably and efficiently replaced, and because an operator needs to leave the fixing pile during chopping, the potential safety hazard during chopping is greatly reduced, and the device has the advantages of stable action, high action efficiency, low labor intensity, low manufacturing cost, no subsequent cost and no potential safety hazard on the whole.

Drawings

FIG. 1 is a schematic structural diagram of the present application,

figure 2 is a schematic structural view of a spud pile in the present case,

figure 3 is a top view of figure 2,

FIG. 4 is a sectional view taken along line A-A of FIG. 2;

in the figure, 1 is a fixing pile, 11 is a box body, 12 is an unlocking pedal, 13 is a pressure lever, 14 is an unlocking block, 140 is a first long-strip-shaped through hole, 15 is a lever, 151 is a first rotating shaft, 1522 is a second rotating shaft, 16 is a driving block, 160 is a second long-strip-shaped through hole, 17 is a guide rail, 18 is a clamping component, 181 is a clamping plate, 182 is a spring, 183 is a fixing plate, and 184 is a connecting rod;

2 is a chopping assembly, 21 is a fixing frame, 22 is a top beam, 220 is a long strip-shaped through hole III, 23 is a driven rod, 24 is an axe, 25 is a pressure spring, 26 is a top beam resetting assembly, 261 is a resetting pedal, 262 is a driving screw rod, 263 is a threaded seat, 264 is a driven screw rod, 265 is a locking assembly, 2651 is a base, 2652 is a locking block, 2653 is a locking spring and 2654 is a handle.

Detailed Description

The invention is shown in figures 1-4, and comprises a chopping assembly 2 for chopping firewood and a fixing pile 1 for supporting the firewood;

the fixing pile 1 comprises a hollow box body 11, an unlocking pedal 12, a pressure lever 13, an unlocking block 14, a lever 15, a driving block 16, at least one guide rail 17 and a pair of clamping components 18, wherein each clamping component 18 comprises a clamping plate 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 pair of sliding holes symmetrically arranged along the center of the top surface of the box body 11 are further formed in the top surface of the box body 11, the middle part of the clamping plate 181 is slidably connected into the sliding holes, and the spring 182 abuts between the clamping plate 181 and the fixing plate 183; the guide rail 17 is vertically arranged and fixedly connected in the box body 11, the driving block 16 is sleeved with the guide rail 17, one end of the connecting rod 184 is hinged to the bottom of the clamping plate 181, and the other end of the connecting rod 184 is hinged to the middle of the driving block 16; thus, the two clamping plates keep the trend of moving towards the center of the top surface of the box body under the action of the two springs; when the driving block moves up and down along the guide rail, the two clamping plates are driven to be outwards expanded or inwards clamped;

a lateral sliding hole is formed in one side of the box body 11, one end of the unlocking pedal 12 penetrates into the lateral sliding hole, the unlocking block 14 is connected to the side wall of the inner side of the box body 11 in a sliding mode, and the pressing rod 13 is fixedly connected between the unlocking pedal 12 and the unlocking block 14; a horizontally arranged first strip-shaped sliding hole 160 is formed in the driving block 16, a horizontally arranged second strip-shaped sliding hole 140 is formed in the unlocking block 14, the middle part of the lever 15 is hinged in the box body 11, two ends of the lever 15 are fixedly connected with a first rotating shaft and a second rotating shaft respectively, the first rotating shaft is arranged in the first strip-shaped sliding hole 160 in a penetrating manner, and the second rotating shaft is arranged in the second strip-shaped sliding hole 140 in a penetrating manner; therefore, when people step on the unlocking pedal, the unlocking block synchronously descends, so that the driving block is lifted upwards by utilizing the lever, and the two clamping plates are driven to be opened outwards to be in an unlocking state; after the firewood is taken down or replaced, the unlocking pedal is loosened, the two clamping plates clamp the firewood inwards under the action of the spring, and at the moment, the driving block moves downwards passively, so that the unlocking block and the unlocking pedal are driven to move upwards and reset in a reverse direction.

The chopping assembly 2 comprises a fixing frame 21, a top beam 22, a driven rod 23, an axe 24, a pressure spring 25 and a top beam resetting assembly 26, wherein the fixing frame 21 is fixedly connected to one side of the fixed pile 1, the top beam resetting 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 resetting assembly 26, the other end of the top beam 22 is slidably connected to the fixing frame 21, a horizontally arranged strip-shaped sliding hole III 220 is formed in the top beam 22, the bottom end of the driven rod 23 is hinged to the fixing frame 21, the top end of the driven rod 23 is fixedly connected with a rotating shaft III, the rotating shaft III is arranged in the strip-shaped sliding hole III 220 in a penetrating mode, the axe 24 is fixedly connected to the upper portion of the driven rod 23 and is arranged downwards, and the pressure spring 25 is arranged above the driven; therefore, when the top beam resetting component has no upward jacking force, the axe quickly moves downwards (moves downwards in an arc shape around the hinged point of the driven rod and the fixed frame) under the action of the dead weight and the pressure spring, so that the efficient firewood chopping action is completed;

the top beam resetting assembly 26 comprises a resetting 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 one side of the fixing pile 1 far away from the fixing frame 21, the driven screw 264 is arranged in the threaded seat 263 in a penetrating way, the driven screw 264 is connected with the threaded seat 263 through threads, the top end of the driven screw 264 is hinged with one end of the top beam 22 far away from the fixed frame 21, the reset pedal 261 is slidably connected to one side of the threaded seat 263 far away from the fixing pile 1, the driving screw 262 penetrates through the reset pedal 261 and is in threaded connection with the reset pedal 261, the two ends of the driving screw 262 are connected with the outer wall of the threaded seat 263 through two hinged seats, and the top end of the driving screw 262 is linked with the driven screw 264 through a linkage component, the locking assembly 265 is connected to the threaded seat 263 and is used for locking the driven screw 264. Therefore, after the primary firewood chopping action is finished, an operator can keep the locking assembly loosened and simultaneously step down the reset pedal so as to drive the driving screw to rotate, and make the driven screw rotate and ascend under the driving of the linkage assembly, and after the top beam ascends in place, the locking assembly stops the driven screw to rotate, so that the height of the top beam can be kept unchanged; after that, when the operator waits for chopping after the firewood is replaced, the locking assembly is controlled to be loosened, so that the axe quickly moves downwards under the action of the dead weight and the pressure spring to finish chopping.

In conclusion, the firewood chopping device can be divided into two parts of chopping firewood and changing firewood when in use.

At least the side surface of the clamping plate is provided with an upper limiting bulge and a lower limiting bulge, the upper limiting bulge is attached to the top surface of the outer wall of the box body, and the lower limiting bulge is attached to the top surface of the inner wall of the box body. Therefore, the clamping plates can only do horizontal linear reciprocating motion, so that the two clamping plates can be stably and outwards unfolded when the unlocking pedal is stepped on, and the firewood can be efficiently clamped by the two clamping plates when the unlocking pedal is loosened.

The fixing pile comprises four guide rails, and the first strip-shaped through hole is located on one side, facing the unlocking pedal, of the four guide rails. Thereby effectively avoiding the problem of motion interference.

The clamping plate is arc-surface-shaped, and the central angle of the arc surface is 10-90 degrees. The plywood is manufactured in an arc surface shape smaller than a quarter of an arc, so that the plywood has a wider application range and can stably clamp the firewood.

The linkage assembly is externally provided with a housing for receiving 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 housing, the locking block 2652 is slidably connected to the housing and located on one side of the base 2651 facing the driven screw 264, and the locking spring 2653 is abutted between the locking block 2652 and the base 2651. Like this, during the normality, the latch segment will compress tightly all the time at the driven screw surface for the driven screw is unable rotatory, makes the back timber also keep static then, and after operating personnel placed the firewood in place and left the spud pile, can pull the latch segment, makes it oppress locking spring translation on the housing top surface, thereby unclamp driven screw, but make driving screw and driven screw free idle rotation when the axe falls.

An arc-shaped handle 2654 is also fixedly connected to the top surface of the locking block. Thereby being convenient for the operating personnel to hold and further being convenient for operating the locking block.

The linkage assembly is a synchronous belt.

The reset pedal is internally provided with a one-way ratchet wheel, the one-way ratchet wheel is internally provided with a driving nut, the driving screw rod is arranged in the driving nut in a penetrating way and is connected with the driving nut through threads, and the bottom surface of the reset pedal is connected with a reset spring sleeved on the driving screw rod. Thus, torque is transferred to the drive screw only when the reset pedal is depressed; when the operator releases the reset pedal, the operator moves upwards under the action of the reset spring to reset, and no torque is transmitted to the driving screw rod; therefore, the operation convenience of the reset pedal and the overall action stability of the top beam reset assembly are greatly improved.

Claims

1. A firewood chopping tool is characterized by comprising a chopping component and a fixing pile;

2. The firewood splitting tool of claim 1, wherein at least the side surface of the clamping plate is provided with an upper limiting bulge and a lower limiting bulge, the upper limiting bulge is attached to the top surface of the outer wall of the box body, and the lower limiting bulge is attached to the top surface of the inner wall of the box body.

3. The firewood chopping tool of claim 1, wherein a housing is provided outside the linkage assembly to receive the driven screw, the locking assembly comprises a base, a locking block and a locking spring, the base is fixedly connected to the housing, the locking block is slidably connected to the housing and located on a side of the base facing the driven screw, and the locking spring is abutted between the locking block and the base.

4. The wood splitting tool of claim 1, wherein the linkage assembly is a timing belt.