Electric scissors with counter-acting force shell tooth skipping prevention function

Abstract

The electric scissors comprise the shell, a power assembly, a transmission assembly and a tool bit assembly, the transmission assembly comprises a gear support, a driving bevel gear and a swing bevel gear, and the tool bit assembly comprises a fixed blade and a movable blade. The cutter is characterized in that the movable blade and the swing bevel gear rotate coaxially, and a counter-acting force shell is arranged on the outer side face of the swing bevel gear. According to the anti-skipping electric scissors with the counter-acting force shell, the anti-skipping function can be achieved through the counter-acting force shell under the condition that various baffles and separation blades are not needed, the whole electric scissors are few in part, simple in structure and convenient to disassemble, assemble and maintain, the problem that the teeth are prone to skipping can be solved only by assembling the counter-acting force shell, and the service life of the scissors is prolonged. And the durability and the service life of the electric scissors are effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of electric scissors, and in particular to an electric scissors with anti-jump teeth of a reaction force housing. Background Art

[0002] During the use of existing bevel-tooth swing-tooth electric scissors, especially when cutting larger trees such as branches, the shear force will cause an outward separation force to be generated between the swing bevel gear and the helical gear, which is also commonly known as the tooth skipping phenomenon. Once tooth skipping occurs, the electric scissors face the risk of being scrapped, and parts such as the swing bevel gear and the cutter head assembly need to be replaced, which not only affects the use of the electric scissors, but also brings great inconvenience to the user.

[0003] In order to solve the problem of tooth jumping of electric scissors, the industry currently has methods of adding anti-tooth jumping connecting rods to prevent tooth jumping, and also of adding baffles to achieve the anti-tooth jumping function. However, the existing anti-tooth jumping structure is cumbersome to assemble and complicated to operate.

[0004] In order to completely solve the problem of tooth jumping during conventional assembly of electric scissors with bevel gear swing structure, without various baffles and baffles, it can not only have the function of preventing tooth jumping, but also extend the service life of electric scissors, improve the durability of electric scissors, and make it easier to use, disassemble and maintain. A special electric scissors is designed that only needs to be equipped with a reaction force housing to eliminate the problem of easy tooth jumping, making the electric scissors more durable and easier to disassemble and maintain. Summary of the invention

[0005] The purpose of the present invention is to solve the problems of the existing electric scissors with a bevel gear swing structure, such as complex disassembly and maintenance, inconvenient operation, etc. due to the anti-tooth jump structure, and to provide an electric scissors with an anti-tooth jump function that does not require the provision of anti-tooth jump connecting rods, baffles, baffles and other components, and at the same time has a long service life, good durability, and is easier to use, disassemble and maintain, and has a reaction force shell anti-tooth jump electric scissors.

[0006] The technical solution adopted by the present invention to achieve its invention purpose is: an electric scissors with a reaction force housing to prevent tooth jumping, comprising a housing, a power assembly, a transmission assembly and a cutter head assembly, wherein the transmission assembly comprises a gear bracket, an active bevel gear and a swing bevel gear, and the cutter head assembly comprises a fixed blade and a movable blade, characterized in that the movable blade rotates coaxially with the swing bevel gear, and a reaction force housing is arranged on the outer side of the swing bevel gear. The electric scissors with a reaction force housing to prevent tooth jumping, by arranging a reaction force housing on the outer side of the swing bevel gear, realizes the anti-tooth jumping limit setting of the swing bevel gear through the reaction force housing, when the swing bevel gear jumps relative to the active bevel gear due to excessive shear force during use, the reaction force housing will generate a reverse elastic force on the swing bevel gear, thereby effectively preventing the swing bevel gear from sliding outward. The electric scissors can achieve the anti-tooth jumping function through a reaction force shell without the need for various baffles or baffles. The entire electric scissors have fewer parts and components, a simple structure, and are easy to disassemble and maintain. The problem of easy tooth jumping can be eliminated by simply assembling the reaction force shell, thereby effectively improving the durability and service life of the electric scissors.

[0007] Preferably, the reaction force housing is fastened to the housing to form a clamping and stabilizing structure, and an anti-tooth jump clearance is provided between the reaction force housing and the swing bevel gear. As a preferred solution, the reaction force housing can be fastened to the housing and form a clamping and stabilizing structure with the housing, and in order to facilitate the reaction force housing to generate an effective reaction force and ensure the normal swing of the swing bevel gear, an anti-tooth jump clearance is provided between the reaction force housing and the swing bevel gear.

[0008] Preferably, the reaction force housing is fastened to the gear bracket to form a clamping and stabilizing structure, and an anti-tooth jump clearance is provided between the reaction force housing and the swing bevel gear. As another preferred solution, the reaction force housing can also be fastened to the gear bracket to form a clamping and stabilizing structure between the reaction force housing and the gear bracket. Similarly, in order to facilitate the reaction force housing to generate an effective reaction force and ensure the normal swing of the swing bevel gear, an anti-tooth jump clearance is provided between the reaction force housing and the swing bevel gear.

[0009] Preferably, the inner side of the reaction force housing is provided with a reinforcement piece in an integrated or split manner. In order to further enhance the strength of the clamping and stabilizing structure between the reaction force housing and the housing or the gear bracket, a reinforcement piece may be provided in an integrated or split manner with the reaction force housing on the inner side of the reaction force housing. The specific structure of the reinforcement piece is provided according to the position inside the reaction force housing, and is not limited thereto. Any wedge, sphere, etc., which can cooperate with the reaction force housing function, can be used within the scope of the reaction force housing (including but not limited to the shape and structure indicated).

[0010] Preferably, a knife shaft mounting hole is provided on the reaction force housing or the reinforcement. In order to facilitate the installation of the knife shaft, the knife shaft mounting hole can be provided on the entire reaction force housing, or the knife shaft mounting hole can be provided on the reinforcement instead of on the reaction force housing.

[0011] Preferably, the reaction force housing is provided with reinforcing ribs, and a reinforcing member fixing structure is provided on the inner side of the reaction force housing. In order to increase the strength of the reaction force housing, reinforcing ribs may be provided on the outer side of the reaction force housing, and in order to facilitate the fixed connection of the reinforcing member, a reinforcing member fixing structure may be provided on the inner side of the reaction force housing.

[0012] Preferably, the housing and the power assembly are coaxially arranged or arranged at an angle. The housing and the power assembly can be coaxially arranged or arranged at a certain angle to the housing.

[0013] Preferably, the housing includes a left housing and a right housing, and the reaction force housing is integrally or separately arranged with the left housing or the right housing. For the convenience of installation, the housing is divided into a left housing and a right housing, and the reaction force housing can be separately arranged with any one of the left housing or the right housing, or can be integrally arranged with any one of the left housing or the right housing. Of course, the left housing and the right housing can be linear structure housings, or can be inclined structure housings with a power component housing.

[0014] Preferably, the gear bracket, fixed blade, movable blade, swing bevel gear and reaction force housing are coaxially connected via a blade shaft.

[0015] Preferably, the knife shaft includes a structure that is passed through from the gear bracket side and a structure that is passed through from the reaction force housing side. The knife shaft can be passed through from one side of the gear bracket to achieve tight fixation of the gear bracket, fixed blade, movable blade, swing bevel gear and reaction force housing, or can be passed through from one side of the reaction force housing to achieve fastening of the gear bracket, fixed blade, movable blade, swing bevel gear and reaction force housing.

[0016] The beneficial effects of the present invention are as follows: the electric scissors with a reaction force shell to prevent tooth jumping can achieve the anti-tooth jumping function through a reaction force shell without the need for various baffles or baffles. The entire electric scissors has few parts and components, a simple structure, and is easy to disassemble and maintain. The problem of easy tooth jumping can be eliminated by simply assembling the reaction force shell, thereby effectively improving the durability and service life of the electric scissors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The invention is a structural schematic diagram of an electric scissors with a reaction force housing and anti-jump teeth.

[0018] FIG. 2 is a cross-sectional view of the electric scissors with anti-jump teeth of the reaction force housing according to the present invention.

[0019] FIG. 3 is a schematic diagram of an exploded structure of the electric scissors with a reaction force housing and anti-jump teeth according to the present invention.

[0020] FIG. 4 is a schematic diagram of an exploded structure of the electric scissors with anti-jump teeth of the reaction force housing in Example 2. FIG.

[0021] Figure 5 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 2 from another angle.

[0022] Figure 6 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 3.

[0023] Figure 7 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 3 from another angle.

[0024] FIG. 8 is a schematic diagram of an exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 4.

[0025] Fig. 9 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 5.

[0026] FIG. 10 is a schematic diagram of an exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 6. FIG.

[0027] Fig.11 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 7.

[0028] Fig.12 It is a schematic diagram of the exploded structure of the electric scissors with reaction force housing anti-jump teeth in Example 7 from another angle.

[0029] In the figure: 1. Motor, 2. Reducer, 3. Gear bracket, 4. Active bevel gear; 5. Swing bevel gear, 5a. Gear cutter shaft hole; 6. Fixed blade, 7. Moving blade, 8. Reaction force housing, 9. Blade shaft, 10. Mounting shaft hole, 11. Fixed blade mounting boss, 12. Mounting plate, 13. Gear transmission hole, 14. Planar thrust bearing, 15. Blade pin, 20. Nut, 22. Screw hole, 23. Bolt, 24. Fixed blade shaft hole, 25. Anti-loosening tooth plate; 200, screw hole, 201, rear fixing hole of reaction force housing, 202, rear fixing hole of fixing piece, 203, rear fixing hole of right housing, 204, rear fixing hole of left housing; 211, front fixing hole of reaction shell, 213, front fixing hole of right shell, 214, front fixing hole of left shell; 222, fastening nut, 266, rear fastening screw, 288, front fastening screw; W, left shell, F, right shell, H, reinforcement, J, reinforcing rib, GJ, fixed structure, L, anti-tooth jump gap, K, knife shaft mounting hole, H2, fixed position, C, semicircular mouth. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0031] Embodiment 1: exist Figure 1 , Figure 2 , Figure 3 In the embodiment shown, an electric scissors with reaction force housing anti-jump teeth comprises a housing, a power assembly, a transmission assembly and a cutter head assembly. The power assembly is arranged inside the housing and coaxially with the housing.

[0032] The housing comprises a left housing W and a right housing F, and the left housing W and the right housing F are connected in a snap-fit ​​manner.

[0033] The power assembly includes a motor 1 and a reducer 2.

[0034] The transmission assembly comprises a driving bevel gear 4 and a swing bevel gear 5. The swing bevel gear 5 comprises a gear pair end and a swing end.

[0035] The cutter head assembly comprises a fixed blade 6 and a movable blade 7 and also comprises a gear support 3.

[0036] The reducer 2 is connected to the motor 1, the active bevel gear 4 is coaxially connected to the reducer 2 and extends to the inside of the gear bracket, a gear transmission hole 13 is provided on the gear bracket, the active bevel gear 4 passes through the gear transmission hole 13 and meshes with the gear pair end of the swing bevel gear 5, the fixed blade 6 is fixed on a gear bracket 3, the movable blade 7 is fixed to the swing end of the swing bevel gear 5, the movable blade 7 is driven by the swing bevel gear 5 to form a shearing structure with the fixed blade 6, and the movable blade 7 rotates coaxially with the swing bevel gear 5.

[0037] The shell is provided with a shell accommodating chamber inside, and the shell accommodating chamber includes a battery accommodating chamber, a power component accommodating chamber and a gear bracket accommodating chamber. A battery is provided inside the battery accommodating chamber, and the battery can be a rechargeable battery or a dry cell. The motor 1 and the reducer 2 are provided inside the power component accommodating chamber, and the gear bracket 3 is provided inside the gear bracket accommodating chamber, and the front end of the gear bracket extends out of the gear bracket accommodating chamber. An active bevel gear 4 connected to the reducer is provided inside the gear bracket.

[0038] The gear support accommodating cavity of the left housing W is provided with a left housing front fixing hole 214 and a left housing rear fixing hole 204 .

[0039] The right housing F is provided with a right housing front fixing hole 213 and a right housing rear fixing hole 203 corresponding to the left housing front fixing hole 214 and the left housing rear fixing hole 204 .

[0040] A mounting plate 12 is provided at the front end of the right housing F, and a gear transmission hole 13 is provided on the mounting plate 12. During installation, the gear bracket is arranged on the left side of the mounting plate 12, and the driving bevel gear 4 is exposed from the gear transmission hole 13 and meshes with the swing bevel gear 5.

[0041] A reaction force housing 8 is arranged on the outer side of the right housing F and the outer side of the swing bevel gear 5. The reaction force housing 8 can be arranged integrally with the right housing F or can be arranged separately.

[0042] The reaction force housing 8 and the left housing W form a clamping and stabilizing structure, and an anti-tooth jump clearance L is provided between the reaction force housing 8 and the swing bevel gear 5 .

[0043] The reaction force housing 8 is provided with a reaction force housing front fixing hole 211 and a reaction force housing rear fixing hole 201 corresponding to the right housing front fixing hole 213 and the right housing rear fixing hole 203 .

[0044] The reaction force housing 8 is provided with a knife shaft mounting hole K or is not provided with a knife shaft mounting hole K.

[0045] The gear bracket 3 is provided with a mounting shaft hole 10, and the mounting shaft hole 10 is not limited in form and can be a round hole, a hexagonal hole, a flat square hole, etc. The gear bracket 3 is provided with a fixed knife mounting boss 11 or no boss, and can be flexibly configured according to the structure of the knife shaft 9 and the fixed blade 6.

[0046] The swing bevel gear 5 and the reaction force housing 8 are in contact with each other through a plane abutment or a plane thrust bearing 14 ; the movable blade 7 and the swing bevel gear 5 are fixedly connected through a blade pin 15 .

[0047] The knife shaft 9 includes a structure penetrating from the gear bracket side and a structure penetrating from the reaction force housing 8 side.

[0048] The knife shaft 9 described in this embodiment is installed from one side of the reaction force housing 8. The knife shaft 9 passes through the knife shaft installation hole K on the reaction force housing 8, the plane thrust bearing 14, the gear knife shaft hole 5a on the swing bevel gear 5, the moving knife shaft hole on the moving blade, the fixed knife shaft hole 24 on the fixed blade, and is connected with the installation shaft hole 10 on the gear bracket, so that the gear bracket 3, the fixed blade 6, the moving blade 7, the swing bevel gear 5 and the reaction force housing 8 are coaxially connected through a knife shaft 9.

[0049] The actual installation process of the electric scissors with anti-jump teeth of the reaction force housing: During the specific installation, after the power assembly is installed, it is installed inside the installation cavity of the left shell and then the right shell is buckled onto the left shell, and the active bevel gear 4 is passed through the gear transmission hole 13, and then the fixed blade is placed on the gear bracket 3, and then the movable blade is fixed to the swing end of the swing bevel gear. The movable blade rotates coaxially with the swing bevel gear to mesh the swing bevel gear with the active bevel gear 4.

[0050] Then, the reaction force housing 8 or the reaction force housing 8 with the reinforcement H is buckled into the front end of the right housing, and the rear fastening screw 266 is passed through the rear fixing hole 201 of the reaction force housing, the rear fixing hole 202 of the reinforcement, the rear fixing hole 203 of the right housing, and the rear fixing hole 204 of the left housing, and the fastening nut 222 is connected by the fastening screw 266 to fix the reaction force housing 8 and the rear part of the left housing W gear bracket accommodating cavity; the front fastening screw 288 is passed through the front fixing hole 211 of the reaction force housing, the front fixing hole 213 of the right housing, and the front fixing hole 214 of the left housing to lock the reaction force housing 8 and the front part of the left housing W gear bracket accommodating cavity.

[0051] Finally, the assembly method of the knife shaft 9 can be matched and assembled according to the different installation hole structures of the fixed knife 6 and the gear bracket 3. In short, the knife shaft 9 passes through the reaction force housing 8, the plane bearing 14, the swing bevel gear and the movable knife hole 5a, the gear bracket 3, and then the nut 20 is used to fasten the knife shaft 9 with the anti-loosening tooth piece 25 and the bolt 23 to lock the screw hole 22 of the fixed blade 6.

[0052] When the knife shaft 9 penetrates from the gear bracket 3, the gear bracket removes the boss 11, and changes the radial rotation stop hole 10 when penetrating from the housing 8 to a circular hole 10, and the knife shaft 9 and the fixed knife 6 are fixedly connected by threads.

[0053] Embodiment 2: exist Figure 4 , Figure 5In the embodiment shown, the technical solution is basically the same as that of embodiment 1, except that a fixing position H2 of a reinforcement member is provided on the inner side of the reaction force housing 8, and a reinforcement member H is provided on the fixing position H2 in an integrated or split manner. The reinforcement member H is provided with a knife shaft mounting hole K or is not provided with a knife shaft mounting hole K.

[0054] In this embodiment, the reinforcement member H is T-shaped as a whole and is disposed separately from the reaction force housing 8 .

[0055] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and a fixing structure GJ. The two reinforcing member rear fixing holes 202 are arranged at both ends of the upper part of the T-shape, and the fixing structure GJ is arranged at the lower part of the T-shape.

[0056] A reinforcing rib J is provided at the position where the reinforcing member is provided on the reaction force housing 8, and the reinforcing rib J is provided within the range of the reaction force housing 8 (including but not limited to the indicated shape and structure), as long as it is suitable for the reinforcing member H. In this embodiment, the reinforcing rib J is provided in a long strip or mesh structure suitable for the reinforcing member H to be fixed.

[0057] Corresponding to the fixing structure GJ on the reinforcement member H, a fixing structure GJ is also provided on the inner side of the reaction force housing 8 .

[0058] The reinforcement H and the reaction force shell 8 can be arranged in a separate type or in an integrated type. The specific shape of the reinforcement H is not limited. As long as it can be within the inner surface range of the reaction force shell 8 (including but not limited to the shape and structure referred to), and has the function of cooperating with the reaction force shell 8 to realize the reaction force anti-tooth jumping function, the reinforcement H can be any wedge shape, or a spherical shape, etc.

[0059] The specific installation method is the same as that in Example 1.

[0060] Embodiment 3: exist Figure 6 , Figure 7 In the embodiment shown, the technical scheme is basically the same as that of Embodiment 2, except that: a reaction force shell front fixing hole 211 and a reaction force shell rear fixing hole 201 are provided on the reaction force shell 8 corresponding to the right shell front fixing hole 213 and the right shell rear fixing hole 203.

[0061] A semicircular opening C is provided at the end of the reaction force housing 8, and the corresponding reaction force housing 8 is not provided with a knife shaft mounting hole K. Instead, the knife shaft mounting hole is provided on the reinforcement H.

[0062] The reinforcing member H is in an I-shaped structure as a whole and is provided integrally or separately with the reaction force housing 8 .

[0063] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixing structures GJ. The two reinforcing member rear fixing holes 202 are arranged at one end of the I-shaped, and the fixing structure GJ is arranged in a triangular structure at the other end of the I-shaped, and a knife shaft mounting hole K is also arranged at this end.

[0064] A reinforcing rib J is provided at the position where the reinforcement member is provided on the reaction force housing 8, and the reinforcing rib J is provided within the range of the reaction force housing 8 (including but not limited to the indicated shape and structure), as long as it is suitable for the reinforcement member H. In this embodiment, the reinforcing rib J is in the form of a long strip or mesh structure and is provided on the outer shell surface of the reaction force housing 8 to the position of the semicircular opening C, and is substantially the same length as the reinforcement member H.

[0065] Embodiment 4: exist Figure 8 In the embodiment shown, an electric scissors with anti-jump teeth of a reaction force housing has a technical solution that is substantially the same as that of embodiment 2, except that: Only the left housing front fixing hole 214 is provided at the position of the gear support accommodating cavity of the left housing W.

[0066] The gear bracket 3 is provided with two screw holes 200 .

[0067] The right housing F is provided with a right housing front fixing hole 213 and a right housing rear fixing hole 203 corresponding to the left housing front fixing hole 214 and the two screw holes 200 .

[0068] A reaction force housing 8 is arranged on the outer side of the right housing F and the outer side of the swing bevel gear 5. The reaction force housing 8 and the gear bracket 3 form a clamping and stable structure, and an anti-jumping tooth gap L is arranged between the reaction force housing 8 and the swing bevel gear 5. The anti-jumping tooth gap is arranged in an inclined manner, and the anti-jumping tooth gap is arranged in a decreasing structure from one end of the active bevel gear 4 to one end of the cutter head assembly.

[0069] In this embodiment, the reaction force housing 8 is provided with a reaction force housing front fixing hole 211 and a reaction force housing rear fixing hole 201 corresponding to the right housing front fixing hole 213 and the right housing rear fixing hole 203 .

[0070] A half opening C is provided at the end of the reaction force housing 8, and the corresponding reaction force housing 8 is not provided with a knife shaft mounting hole K. Instead, the knife shaft mounting hole is provided on the reinforcement H.

[0071] The reinforcing member H is in an I-shaped structure as a whole and is provided integrally or separately with the reaction force housing 8 .

[0072] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixing structures GJ. The two reinforcing member rear fixing holes 202 are arranged at one end of the I-shaped, and the fixing structure GJ is arranged in a triangular structure at the other end of the I-shaped, and a knife shaft mounting hole K is also arranged at this end.

[0073] A reinforcing rib J is provided at the position where the reinforcement member is provided on the reaction force housing 8, and the reinforcing rib J is provided within the range of the reaction force housing 8 (including but not limited to the indicated shape and structure), as long as it is suitable for the reinforcement member H. In this embodiment, the reinforcing rib J is in the form of a long strip or mesh structure and is provided on the outer shell surface of the reaction force housing 8 to the position of the half-adding opening C, and is substantially the same length as the reinforcement member H.

[0074] A fixing position H2 of a reinforcement member is provided on the inner side of the reaction force housing 8 , and a reinforcement member H is provided on the fixing position H2 in an integrated or split manner.

[0075] The reinforcement H and the reaction force shell 8 can be arranged in a separate type or in an integrated type. The specific shape of the reinforcement H is not limited. As long as it can be within the range of the reaction force shell 8 (including but not limited to the shape and structure referred to), and has the function of cooperating with the reaction force shell 8 to realize the reaction force anti-tooth jumping function, the reinforcement H can be any wedge shape, or a spherical shape, etc.

[0076] The gear bracket 3 is provided with a mounting shaft hole 10, and the mounting shaft hole 10 is not limited in form and can be a round hole, a hexagonal hole, a flat square hole, etc. The gear bracket 3 is provided with a fixed knife mounting boss 11 or no boss, and can be flexibly configured according to the structure of the knife shaft 9 and the fixed blade 6.

[0077] The swing bevel gear 5 and the reaction force housing 8 are in contact with each other through a plane abutment or a plane thrust bearing 14 ; the movable blade 7 and the swing bevel gear 5 are fixedly connected through a blade pin 15 .

[0078] The knife shaft 9 includes a side penetrating structure from the gear bracket side penetrating structure.

[0079] The knife shaft 9 passes through the mounting shaft hole 10 on the gear bracket, the fixed knife shaft hole 24 on the fixed blade, the movable knife shaft hole on the movable blade, the gear knife shaft hole 5a on the swing bevel gear 5, the plane thrust bearing 14 and is connected with the knife shaft mounting hole K on the reinforcement member in sequence, so that the gear bracket 3, the fixed blade 6, the movable blade 7, the swing bevel gear 5 and the reaction force housing 8 are coaxially connected through a knife shaft 9.

[0080] The specific installation method is the same as that in Example 1.

[0081] Embodiment 5: exist Fig. 9In the embodiment shown, an electric scissors with a reaction force shell and anti-jump teeth, the technical solution of which is basically the same as the technical solution of any one of embodiments 1-3, except that: the knife shaft mounting hole K is not provided on the reaction force shell 8, and the additional fixing part H is a simple shape such as a trapezoidal sheet, square, or circular structure.

[0082] Embodiment 6: exist Fig.10 In the embodiment shown, an electric scissors with a reaction force shell and anti-jump teeth, the technical solution of which is basically the same as the technical solution of any one of embodiments 1-3, the difference is that: a knife shaft mounting hole K is provided on the reaction force shell 8, and the additional fixing part H is a simple shape such as a trapezoidal sheet, square, or circular structure.

[0083] Embodiment 7: exist Fig.11 , Fig.12 In the embodiment shown, an electric scissors with a reaction force housing and anti-jump teeth, the technical solution of which is basically the same as any one of embodiments 1-6, except that: the power assembly is inclined and arranged at a certain angle with the housing. The housing of the power assembly is integral with the housing or separated from the housing. A gear bracket mounting cavity and a mounting plate 12 are provided at the front end of the housing or the power assembly housing, and a gear transmission hole 13 is provided on the mounting plate 12. During installation, the gear bracket is arranged on the left side of the mounting plate 12, and the active bevel gear 4 is exposed from the inside of the gear transmission hole 13 and meshes with the swing bevel gear 5.

[0084] In this embodiment, the housing and the power assembly housing are integrally arranged and are divided into a left housing W and a right housing F. A reaction force housing 8 is arranged outside the right housing F and outside the swing bevel gear 5. The reaction force housing 8 and the gear bracket 3 form a clamping and stable structure, and an anti-jumping tooth gap is arranged between the reaction force housing 8 and the swing bevel gear 5.

[0085] In this embodiment, the reaction force housing 8 is provided with a reaction force housing front fixing hole 211 and a reaction force housing rear fixing hole 201 corresponding to the right housing front fixing hole 213 and the right housing rear fixing hole 203 .

[0086] A half opening C is provided at the end of the reaction force housing 8, and the corresponding reaction force housing 8 is not provided with a knife shaft mounting hole K. Instead, the knife shaft mounting hole is provided on the reinforcement H.

[0087] The reinforcing member H is in an I-shaped structure as a whole and is disposed separately from the reaction force housing 8 .

[0088] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixing structures GJ. The two reinforcing member rear fixing holes 202 are arranged at one end of the I-shaped, and the fixing structure GJ is arranged in a triangular structure at the other end of the I-shaped, and a knife shaft mounting hole K is also arranged at this end.

[0089] The reaction force housing 8 is buckled on the front end of the right housing F, and penetrates the rear fixing hole 201 of the reaction force housing, the rear fixing hole 202 of the fixing part, the rear fixing hole 203 of the right housing, and the rear fixing hole 204 of the left housing through the rear fastening screw 266. The reaction force housing 8 is fixedly locked to the rear of the gear bracket accommodating cavity of the left housing W through the fastening screw 266 and the fastening nut 222; the reaction force housing 8 is locked to the front of the gear bracket accommodating cavity of the left housing W through the front fastening screw 288.

[0090] The electric scissors with a reaction force shell to prevent tooth jumping as described in the above embodiment completely solve the problem of easy tooth jumping during conventional assembly of electric scissors with a bevel gear swing structure. In the absence of various baffles and blocking plates, only the reaction force shell needs to be installed to eliminate the problem. At the same time, the electric scissors are more durable and easier to disassemble and maintain.

[0091] The above embodiments are only some of the embodiments of the present invention, not all of them. At the same time, based on the embodiments described in the present invention, all other embodiments obtained by ordinary technicians in this field on the basis of the technical solution of this application without creative work should fall within the scope of protection of the present invention.

Claims

1. An electric scissors with a reaction force housing anti-jump tooth, comprising a housing, a power assembly, a transmission assembly and a cutter head assembly, wherein the transmission assembly comprises a gear bracket (3), an active bevel gear (4) and a swing bevel gear (5), and the cutter head assembly comprises a fixed blade (6) and a movable blade (7), characterized in that: The movable blade (7) rotates coaxially with the swing bevel gear (5), and a reaction force housing (8) is provided on the outer side of the swing bevel gear (5).

2. The electric scissors with anti-jump teeth of reaction force housing according to claim 1, characterized in that: The reaction force housing (8) is tightly connected to the housing to form a clamping and stabilizing structure, and an anti-tooth jump clearance is provided between the reaction force housing (8) and the swing bevel gear (5).

3. The electric scissors with anti-jump teeth of reaction force housing according to claim 1, characterized in that: The reaction force housing (8) and the gear bracket (3) are fastened together to form a clamping and stabilizing structure, and an anti-tooth jump clearance is provided between the reaction force housing (8) and the swing bevel gear (5).

4. The electric scissors with anti-jump teeth of the reaction force housing according to any one of claims 1 to 3, characterized in that: The inner side of the reaction force housing (8) is provided with a reinforcement piece in an integrated or split manner.

5. The electric scissors with anti-jump teeth of reaction force housing according to claim 4, characterized in that: A knife shaft mounting hole is provided on the reaction force housing (8) or on the reinforcement member.

6. The electric scissors with anti-jump teeth of reaction force housing according to claim 4, characterized in that: The reaction force shell (8) is provided with reinforcing ribs, and a reinforcing member fixing structure is provided on the inner side of the reaction force shell.

7. The electric scissors with anti-jump teeth of the reaction force housing according to any one of claims 1 to 3, characterized in that: The housing and the power assembly are coaxially arranged or the housing and the power assembly are arranged at an angle.

8. The electric scissors with anti-jump teeth of reaction force housing according to claim 7, characterized in that: The housing comprises a left housing and a right housing, and the reaction force housing (8) is arranged in an integral or split structure with the left housing or the right housing.

9. The electric scissors with anti-jump teeth of the reaction force housing according to any one of claims 1 to 3, characterized in that: The gear support (3), the fixed blade (6), the movable blade (7), the swing bevel gear (5) and the reaction force housing (8) are coaxially connected via a blade shaft (9).

10. The electric scissors with anti-jump teeth of reaction force housing according to claim 9, characterized in that: The knife shaft (9) comprises a structure penetrating from the gear support side and a structure penetrating from the reaction force housing side.

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