CN108971605B

CN108971605B - Electric shears for emergency rescue and disaster relief

Info

Publication number: CN108971605B
Application number: CN201811150874.XA
Authority: CN
Inventors: 周翔; 钱国登
Original assignee: Jiaxing Nottingham Industrial Design Co ltd
Current assignee: Jiaxing Nottingham Industrial Design Co.,Ltd.
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2020-09-04
Anticipated expiration: 2038-09-29
Also published as: CN108971605A

Abstract

The invention relates to the technical field of shears, and discloses an electric shears for emergency rescue and disaster relief, which comprises a shell, wherein a side box is fixedly arranged on the left side of the shell, a short block is fixedly arranged on the left side of the side box, two moving blocks are movably sleeved in the short block, the number of the moving blocks is two, the two moving blocks are centrosymmetric about the short block, and a blade body is movably sleeved in each of the two moving blocks. This electric shears, through setting up driving motor, the movable block, connecting rod and cutting edge body, operation when driving motor will control the pivot forward rotation, thereby make the movable block pass through connecting rod pulling cutting edge body and open, thereby will make between the cutting edge body fold and cut the object when driving motor control pivot antiport, thereby operating personnel's use has been convenient for, the problem that current shears need manual draining just can realize that the cutting edge cuts the object has been avoided, consequently, the practicality of this electric shears has been increased.

Description

Electric shears for emergency rescue and disaster relief

Technical Field

The invention relates to the technical field of shears, in particular to an electric shears for emergency rescue and disaster relief.

Background

The shears are necessary rescue devices for fire-fighting troops and rescue and relief departments, and are also adopted by many industrial and mining enterprises in special operation. The hydraulic shear plays a key role in dealing with various sudden accidents and special environments, and great social and economic benefits are obtained.

Present clipper is hydraulic pressure clipper, open through piston rod control cutting edge during the operation, when the piston rod shrink, thereby the cutting edge will fold and cut the object, but need operating personnel to carry out manual draining when the piston rod shrink and just can realize, thereby operating personnel's the use of being not convenient for, and because the cutting edge of clipper often cuts hard metals such as some reinforcing bars, thereby lead to the cutting edge passivation easily, and the cutting edge of clipper is fixed mounting on the subassembly, when the passivation appears in the cutting edge, make operating personnel be not convenient for change the cutting edge.

Disclosure of Invention

The invention provides an electric shears for emergency rescue and disaster relief, which has the advantages of convenience in use and blade replacement, and solves the problems that the existing shears are all hydraulic shears, the blades are controlled to be opened through a piston rod during operation, when the piston rod is contracted, the blades are folded to shear an object, but when the piston rod is retreated, manual oil drainage is needed by an operator to realize the operation, so that the operation is inconvenient for the operator, and the blades of the shears are fixedly arranged on a component, so that the blades are easily passivated due to the fact that the blades of the shears frequently shear hard metals such as reinforcing steel bars, and when the blades are passivated, the blades of the shears are inconvenient for the operator to replace.

The invention provides the following technical scheme: the utility model provides an electronic shears for rescuing and relief disaster, includes the shell, the left side fixed mounting of shell has the side case, the left side fixed mounting of side case has the short piece, the inside activity of short piece has cup jointed the motion piece, the quantity of motion piece is two, two motion piece is about short piece central symmetry, two the inside of motion piece is all movably cup jointed the cutting edge body, the inside fixed mounting of shell has the protective housing, the inner wall fixed mounting of shell has the mounting bracket that is located the left of protective housing, the inside fixed mounting of side case has the riser, the inside fixed mounting of side case has the bottom block that is located the left of riser, the quantity of bottom block is two, two bottom block is about side case central symmetry, two fixed mounting has the circle piece between the bottom block, the inside fixed mounting of protective housing has driving motor, the other end fixed cup joint of driving motor output shaft has the pivot, the other end of the rotating shaft penetrates through the protective shell, the mounting frame, the outer shell and the side box in sequence and extends to the inside of the side box, one end, located inside the side box, of the rotating shaft penetrates through the vertical block and the round block in sequence and extends to the left side of the round block, a moving block located between the round block and the vertical block is sleeved on the outer surface of the rotating shaft in a threaded manner, connecting blocks are fixedly installed at the top and the bottom of the moving block, long openings are formed in the front face of the side box, the number of the long openings is two, the two long openings are symmetrical with respect to the center of the side box, a round shaft is fixedly installed on the front face of each connecting block, the other end of the round shaft penetrates through the long openings and extends to the outside of the side box, a sliding opening is formed in the front face of the cutting edge body, a rectangular block located between the inner walls of the cutting edge body is movably sleeved on the inside of, the other end of the connecting rod is movably sleeved with the outer surface of the round shaft.

Preferably, the dwang has been cup jointed to the top screw thread of motion piece, the top fixed mounting of dwang has the round button that is located motion piece top, the other end of dwang runs through motion piece and cutting edge body in proper order and extends to the inside of cutting edge body, the internal thread of cutting edge body has cup jointed threaded loop bar, the one end of threaded loop bar runs through the cutting edge body and extends to the left side of cutting edge body, the other end of threaded loop bar runs through cutting edge body and motion piece in proper order and extends to the right side of motion piece, the surface of threaded loop bar is respectively the screw thread and has cup jointed and is located motion piece right side and the left nut of cutting edge body, the top fixed mounting of shell has the handle.

Preferably, the front surface of the housing is provided with twenty heat dissipation holes, the number of the heat dissipation holes is twenty one, every seven of the twenty heat dissipation holes are in one group, and the distances among the three groups of heat dissipation holes are equal.

Preferably, the top and the bottom of the inner cavity of the round block are respectively and fixedly provided with a vertical block, the other end of the vertical block is fixedly connected with a first radian block, the other side of the first radian block is movably connected with the outer surface of the rotating shaft, the two sides of the round block are movably sleeved with telescopic rods, one end of the telescopic rod penetrates through the round block and extends into the round block, and a second radian block is fixedly installed on the telescopic rod, the other side of the second radian block is movably connected with the outer surface of the rotating shaft, the other end of the telescopic rod penetrates through the round block and extends to the outside of the round block, a square block is fixedly arranged at one end of the telescopic rod positioned outside the round block, a flexible spring positioned between the outer side of the second radian block and the inner wall of the round block is movably sleeved on the outer surface of the telescopic rod, one end of the flexible spring is fixedly connected with the outer side of the second radian block, and the other end of the flexible spring is fixedly connected with the inner wall of the round block.

The invention has the following beneficial effects:

1. this electric shears, through setting up driving motor, the movable block, connecting rod and cutting edge body, operation when driving motor will control the pivot forward rotation, thereby make the movable block pass through connecting rod pulling cutting edge body and open, thereby will make between the cutting edge body fold and cut the object when driving motor control pivot antiport, thereby operating personnel's use has been convenient for, the problem that current shears need manual draining just can realize that the cutting edge cuts the object has been avoided, consequently, the practicality of this electric shears has been increased.

2. This electric shears, through setting up the dwang, nut and screw thread loop bar, thereby because cooperation between screw thread loop bar and the nut is fixed between knife edge body and the motion piece, the effect of dwang makes more fastening between knife edge body and the motion piece simultaneously, when dwang and screw thread loop bar break away from the inside of motion piece respectively, can remove the fixed action between motion piece and the knife edge body simultaneously, thereby be convenient for operating personnel to dismantle the knife edge body, consequently improved this electric shears's practicality.

3. This electric shears, through setting up first radian piece, second radian piece and flexible spring, because cooperation between telescopic link, flexible spring and the second radian piece when the pivot is pivoted to cushioned the pivot and rotated produced rocking, and the effect of first radian piece is spacing the pivot, has reduced the pivot and has rotated the scope of rocking of in-process, thereby has improved the stability of this electric shears during operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the blade body of the present invention in an open configuration;

FIG. 4 is a side cross-sectional structural schematic view of a kinematic block of the present invention;

FIG. 5 is a side view of the round block of the present invention.

In the figure: 1. a housing; 2. a side box; 3. short blocks; 4. a motion block; 5. a blade body; 6. a protective shell; 7. a mounting frame; 8. a vertical block; 9. a bottom block; 10. a round block; 11. a drive motor; 12. a rotating shaft; 13. a moving block; 14. connecting blocks; 15. a circular shaft; 16. a long opening; 17. a sliding port; 18. a rectangular block; 19. a round sleeve shaft; 20. a connecting rod; 21. rotating the rod; 22. a round button; 23. a threaded rod; 24. a nut; 25. a handle; 26. heat dissipation holes; 27. a vertical block; 28. a first radian block; 29. a telescopic rod; 30. a square block; 31. a flexible spring; 32. a second radian block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an electric shears for emergency rescue and disaster relief comprises a housing 1, a side box 2 is fixedly installed on the left side of the housing 1, heat dissipation holes 26 are formed in the front surface of the housing 1, the heat dissipation holes 26 dissipate heat generated by the operation of a driving motor 11, the number of the heat dissipation holes 26 is twenty one, every seven of the twenty one heat dissipation holes 26 are in one group, the distances between the three groups of heat dissipation holes 26 are equal, a short block 3 is fixedly installed on the left side of the side box 2, a moving block 4 is movably sleeved inside the short block 3, a rotating rod 21 is sleeved on the top of the moving block 4 through threads, a round button 22 positioned above the moving block 4 is fixedly installed on the top of the rotating rod 21, the other end of the rotating rod 21 sequentially penetrates through the moving block 4 and a blade body 5 and extends into the blade body 5, the number of the moving blocks 4 is two, the two moving blocks 4, the interior of the two motion blocks 4 is movably sleeved with a blade body 5, the internal thread of the blade body 5 is sleeved with a thread loop bar 23, the outer surface of the thread loop bar 23 is provided with threads, the interior of the blade body 5 is provided with a short opening, the interior of the short opening is provided with threads, the threads on the outer surface of the thread loop bar 23 are matched with the threads inside the short opening, the threads on the outer surface of the thread loop bar 23 are also matched with the threads inside a nut 24, the outer surface of the thread loop bar 23 is respectively sleeved with the nuts 24 on the right side of the motion block 4 and the left side of the blade body 5, the top of the shell 1 is fixedly provided with a handle 25, one end of the thread loop bar 23 penetrates through the blade body 5 and extends to the left side of the blade body 5, the other end of the thread loop bar 23 penetrates through the blade body 5 and the motion block 4 in sequence and extends to the right side of the motion, the inner wall of the shell 1 is fixedly provided with a mounting frame 7 positioned on the left side of the protective shell 6, the inside of the side box 2 is fixedly provided with a vertical block 8, the inside of the side box 2 is fixedly provided with bottom blocks 9 positioned on the left side of the vertical block 8, the number of the bottom blocks 9 is two, the two bottom blocks 9 are centrosymmetric about the side box 2, a round block 10 is fixedly arranged between the two bottom blocks 9, both sides of the round block 10 are movably sleeved with telescopic rods 29, the outer surface of each telescopic rod 29 is movably sleeved with a flexible spring 31 positioned between the outer side of each second radian block 32 and the inner wall of each round block 10, when the rotating shaft 12 shakes in the rotating process, the rotating shaft 12 extrudes the second radian blocks 32 at the moment, the flexible springs 31 give restoring force to the second radian blocks 32, so that the second radian blocks 32 limit the outer surface of the rotating shaft 12, and simultaneously buffer the shaking generated in the rotating process, one end of a flexible spring 31 is fixedly connected with the outer side of the second radian block 32, the other end of the flexible spring 31 is fixedly connected with the inner wall of the round block 10, the other end of a telescopic rod 29 penetrates through the round block 10 and extends to the outside of the round block 10, one end of the telescopic rod 29, which is positioned at the outside of the round block 10, is fixedly provided with a square block 30, one end of the telescopic rod 29 penetrates through the round block 10 and extends to the inside of the round block 10 and is fixedly provided with the second radian block 32, the other side of the second radian block 32 is movably connected with the outer surface of the rotating shaft 12, the top and the bottom of the inner cavity of the round block 10 are respectively and fixedly provided with a vertical block 27, the other end of the vertical block 27 is fixedly connected with a first radian block 28, the other side of the first radian block 28 is movably connected with the outer surface of the rotating shaft 12, the inside of the protective housing 6 is fixedly provided with a, because the length of the rotating shaft 12 is too long, the mounting frame 7, the vertical block 8 and the round block 10 are all used for limiting the rotating shaft 12, so that the rotating shaft 12 is prevented from shaking in the rotating process, the opening and closing of the blade body 5 are further influenced, the outer surface of the rotating shaft 12, which is positioned between the round block 10 and the vertical block 8, is provided with threads, the other end of the rotating shaft 12 sequentially penetrates through the protective shell 6, the mounting frame 7, the shell 1 and the side box 2 and extends into the side box 2, one end of the rotating shaft 12, which is positioned inside the side box 2, sequentially penetrates through the vertical block 8 and the round block 10 and extends to the left side of the round block 10, the outer surface threads of the rotating shaft 12 are sleeved with the moving block 13, the inside of the moving block 13 is provided with threaded holes, the threads inside the threaded holes are matched with the threads on the outer surface of the rotating shaft 12, and the top and, the tang 16 has been seted up in the front of side case 2, the quantity of tang 16 is two, two tang 16 are about side case 2 central symmetry, the front fixed mounting of connecting block 14 has round axle 15, the other end of round axle 15 passes tang 16 and extends to the outside of side case 2, sliding opening 17 has been seted up in the front of cutting edge body 5, the inner wall of sliding opening 17 is smooth, thereby make rectangle piece 18 slide more smooth in sliding opening 17, rectangle piece 18 that is located between cutting edge body 5 inner wall is cup jointed in the inside activity of sliding opening 17, the front fixed mounting of rectangle piece 18 has circle cover axle 19, the surface activity of circle cover axle 19 has cup jointed connecting rod 20, the other end of connecting rod 20 cup joints with the surface activity of round axle 15.

When the cutting knife works, an operator starts the driving motor 11, the rotating shaft 12 rotates to drive the moving block 13 to move rightwards, meanwhile, the moving block 13 moves rightwards, the connecting rod 20 pulls the circular sleeve shaft 19, the circular sleeve shaft 19 drives the rectangular block 18 to slide in the sliding opening 17, the cutting knife edge bodies 5 are separated, the driving motor 11 stops running, then the operator puts cut articles into the cutting knife edge bodies 5, the driving motor 11 is started again, the driving motor 11 controls the rotating shaft 12 to rotate reversely, the moving block 13 moves leftwards, the left end of the connecting rod 20 drives the circular sleeve shaft 19 to move, the circular sleeve shaft 19 drives the rectangular block 18 to slide in the sliding opening 17, the cutting knife edge bodies 5 are closed to cut the articles, and when the cutting knife edge bodies 5 are passivated and need to be replaced, the operator controls the cutting knife edge bodies 5 to open by starting the driving motor 11, then the operator rotates the nut 24 out of the outer surface of the threaded sleeve rod 23, and then the threaded sleeve rod 23 can be rotated out of the interior of the blade body 5, and then the rotating rod 21 is rotated to separate the rotating rod 21 from the interior of the blade body 5, so that the blade body 5 can be taken out of the interior of the moving block 4, and the round sleeve shaft 19 can also be separated from the connecting rod 20.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric shears for emergency rescue and disaster relief, comprising a housing (1), characterized in that: the left side fixed mounting of shell (1) has side case (2), the left side fixed mounting of side case (2) has short piece (3), motion piece (4) have been cup jointed in the inside activity of short piece (3), the quantity of motion piece (4) is two, two motion piece (4) about short piece (3) central symmetry, two the equal activity in inside of motion piece (4) has cup jointed cutting edge body (5), the inside fixed mounting of shell (1) has protective housing (6), the inner wall fixed mounting of shell (1) has mounting bracket (7) that is located the left of protective housing (6), the inside fixed mounting of side case (2) has riser block (8), the inside fixed mounting of side case (2) has bottom block (9) that is located the left of riser block (8), the quantity of bottom block (9) is two, two bottom block (9) about side case (2) central symmetry, a round block (10) is fixedly installed between the two bottom blocks (9), a driving motor (11) is fixedly installed inside the protective shell (6), a rotating shaft (12) is fixedly sleeved on the other end of an output shaft of the driving motor (11), the other end of the rotating shaft (12) sequentially penetrates through the protective shell (6), the mounting frame (7), the shell (1) and the side box (2) and extends to the inside of the side box (2), one end, located inside the side box (2), of the rotating shaft (12) sequentially penetrates through the vertical block (8) and the round block (10) and extends to the left side of the round block (10), a moving block (13) located between the round block (10) and the vertical block (8) is sleeved on the outer surface of the rotating shaft (12) in a threaded mode, connecting blocks (14) are fixedly installed at the top and the bottom of the moving block (13), and a long opening (16) is formed in the front face of the side, the quantity of longshores (16) is two, two longshores (16) are about side case (2) central symmetry, the front fixed mounting of connecting block (14) has round axle (15), the other end of round axle (15) passes longshores (16) and extends to the outside of side case (2), sliding opening (17) have been seted up in the front of cutting edge body (5), rectangular block (18) that are located between cutting edge body (5) inner wall have been cup jointed in the inside activity of sliding opening (17), the front fixed mounting of rectangular block (18) has round cover axle (19), connecting rod (20) have been cup jointed in the surface activity of round cover axle (19), the other end of connecting rod (20) and the surface activity of round axle (15) cup joint.

2. An electric shears for emergency relief according to claim 1, wherein: the top of the motion block (4) is in threaded sleeve connection with a rotating rod (21), the top of the rotating rod (21) is fixedly provided with a round button (22) positioned above the motion block (4), the other end of the rotating rod (21) sequentially penetrates through the moving block (4) and the blade body (5) and extends into the blade body (5), the internal thread of the blade body (5) is sleeved with a thread loop bar (23), one end of the threaded sleeve rod (23) penetrates through the blade body (5) and extends to the left side of the blade body (5), the other end of the threaded sleeve rod (23) penetrates through the blade body (5) and the moving block (4) in sequence and extends to the right side of the moving block (4), the outer surface of the threaded sleeve rod (23) is respectively sleeved with a nut (24) located on the right side of the moving block (4) and the left side of the cutting edge body (5) in a threaded manner, and a handle (25) is fixedly mounted at the top of the shell (1).

3. An electric shears for emergency relief according to claim 1, wherein: the front surface of the shell (1) is provided with heat dissipation holes (26), the number of the heat dissipation holes (26) is twenty one, every seven of the twenty one heat dissipation holes (26) form a group, and the distances among the three groups of heat dissipation holes (26) are equal.

4. An electric shears for emergency relief according to claim 1, wherein: the top and the bottom of the inner cavity of the round block (10) are respectively and fixedly provided with a vertical block (27), the other end of the vertical block (27) is fixedly connected with a first radian block (28), the other side of the first radian block (28) is movably connected with the outer surface of the rotating shaft (12), telescopic rods (29) are movably sleeved on the two sides of the round block (10), one ends of the telescopic rods (29) penetrate through the round block (10) and extend to the inside of the round block (10), second radian blocks (32) are fixedly arranged on the inner surface of the round block (10), the other sides of the second radian blocks (32) are movably connected with the outer surface of the rotating shaft (12), flexible springs (31) positioned between the outer sides of the second radian blocks (32) and the inner wall of the round block (10) are movably sleeved on the outer surface of the telescopic rods (29), one ends of the flexible springs (31) are fixedly connected with the outer sides of the second radian, the other end of the flexible spring (31) is fixedly connected with the inner wall of the round block (10).