Electric scissors with counter-acting force shell tooth skipping prevention function
By setting a reaction force housing on the outside of the swing bevel gear of the electric scissors, the problem of tooth skipping in the electric scissors is solved, the durability and ease of maintenance of the equipment are improved, and the assembly process is simplified.
Patent Information
- Application Number
- CN202520173716.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing electric shears with a beveled tooth swing structure are prone to tooth skipping when cutting large tree branches, which can damage the equipment. Furthermore, existing anti-tooth skipping structures are cumbersome to assemble and inconvenient to operate.
Design an electric scissor with a reaction force housing. By setting a reaction force housing on the outside of the swing bevel gear, the reaction force housing generates a reverse elastic force on the swing bevel gear, preventing the occurrence of tooth skipping and avoiding dependence on baffles.
It effectively prevents tooth skipping without adding complexity to the structure, improves the durability and service life of electric scissors, and simplifies the disassembly and maintenance process.
Smart Images
Figure CN223798839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric scissors technical field especially, relates to a kind of electric scissors with counterforce shell anti-tooth skipping. BACKGROUND
[0002] The existing bevel gear swing gear electric scissors, in use process, especially when cutting branches and other larger trees, due to the shear force and can cause the swing bevel gear and helical gear to produce outward separation force, also main is usually called tooth skipping phenomenon, once tooth skipping occurs, electric scissors also faces the risk of scrapping, need to replace swing bevel gear and cutter head assembly and other parts, both affect the use of electric scissors, also bring great inconvenience to user.
[0003] In order to solve the occurrence of electric scissors tooth skipping phenomenon, there is to prevent tooth skipping by increasing anti-tooth skipping connecting rod in the industry at present, also there is to prevent tooth skipping by increasing baffle, but the existing anti-tooth skipping structure assembly is complicated, operation is more complex.
[0004] In order to completely solve the electric scissors of bevel gear swing structure when conventional assembly, without various baffle baffle, can have anti-tooth skipping function, also can prolong the service life of electric scissors, improve the durability of electric scissors, and it is simpler and more convenient to use disassembly and maintenance. A counterforce shell is specially designed, which can eliminate the tooth skipping problem, and make the electric scissors more durable and easier to disassemble and maintain. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the problem that the existing electric scissors of bevel gear swing structure are complex to disassemble and maintain, inconvenient to operate and the like due to the setting of anti-tooth skipping structure, and provides an electric scissors without the need to set anti-tooth skipping connecting rod, baffle and other parts, which can have anti-tooth skipping function, has long service life, good durability, is simpler and more convenient to use disassembly and maintenance, and has counterforce shell anti-tooth skipping.
[0006] The utility model discloses a technical scheme adopted for realizing the purpose of the utility model: a power scissors with counterforce shell anti-tooth skipping, including shell, power assembly, transmission assembly and blade head subassembly, transmission assembly includes gear bracket, driving bevel gear and swing bevel gear, the blade head subassembly includes fixed blade and moving blade, and its characterized in that: moving blade and swing bevel gear rotate coaxially, and a counterforce shell is arranged on the outside of swing bevel gear. The power scissors with counterforce shell anti-tooth skipping, through setting a counterforce shell on the outside of swing bevel gear, realizes the anti-tooth skipping limit setting of swing bevel gear through counterforce shell, when the tooth skipping phenomenon of swing bevel gear relative to driving bevel gear occurs due to the too big shearing force in the use process, the counterforce shell will generate the reverse elastic force to swing bevel gear, thereby effectively preventing the swing bevel gear's outer swing sliding tooth. The power scissors, without needing various baffle pieces, can realize the anti-tooth skipping function through a counterforce shell, and the whole power scissors has few parts, simple structure, and convenient dismounting and maintenance, and only needs to be equipped with the counterforce shell to eliminate the tooth skipping problem, effectively improves the durability and service life of the power scissors.
[0007] As preferred, the counterforce shell is fastened to the shell to form a clamping stable structure, and a tooth skipping prevention gap is arranged between the counterforce shell and the swing bevel gear. As a preferred solution, the counterforce shell can be fastened to the shell to form a clamping stable structure with the shell, and a tooth skipping prevention gap is arranged between the counterforce shell and the swing bevel gear to facilitate the counterforce shell to generate effective counterforce and ensure normal swing of the swing bevel gear.
[0008] As preferred, the counterforce shell is fastened to the shell to form a clamping stable structure, and a tooth skipping prevention gap is arranged between the counterforce shell and the swing bevel gear. As a preferred solution, the counterforce shell can be fastened to the shell to form a clamping stable structure with the shell, and a tooth skipping prevention gap is arranged between the counterforce shell and the swing bevel gear to facilitate the counterforce shell to generate effective counterforce and ensure normal swing of the swing bevel gear.
[0009] As preferred, the inside of the counterforce shell is provided with a reinforcing member in one piece or in separate pieces. To further enhance the strength of the clamping stable structure between the counterforce shell and the shell or the gear bracket, a reinforcing member can be provided on the inside of the counterforce shell in one piece or in separate pieces. The specific structure of the reinforcing member is not limited and can be set according to the position of the inside of the counterforce shell. Any wedge and ball, etc. that can cooperate with the counterforce shell within the range of the counterforce shell (including but not limited to the shapes and structures mentioned) can be used.
[0010] Preferably, the reaction force shell or the reinforcing member is provided with a cutter shaft mounting hole. In order to facilitate the mounting of the cutter shaft, the cutter shaft mounting hole can be provided on the reaction force shell or the reinforcing member.
[0011] Preferably, the reaction force shell is provided with a reinforcing rib, and the inside of the reaction force shell is provided with a reinforcing member fixing structure. In order to increase the strength of the reaction force shell, the reinforcing rib can be provided on the outside of the reaction force shell, and in order to facilitate the fixing connection of the reinforcing member, the reinforcing member fixing structure can be provided on the inside of the reaction force shell.
[0012] Preferably, the shell is coaxial with the power assembly or the shell is arranged at an angle with the power assembly. The shell can be coaxial with the power assembly, or the power assembly can be arranged at an angle with the shell.
[0013] Preferably, the shell comprises a left shell and a right shell, and the reaction force shell is arranged in an integrated or split structure with the left shell or the right shell. In order to facilitate the mounting, the shell is divided into a left shell and a right shell, and the reaction force shell can be arranged in a split structure with any one of the left shell or the right shell, or arranged in an integrated structure with any one of the left shell or the right shell. Of course, the left shell and the right shell can be a straight structure shell, or an inclined structure shell with a power assembly shell.
[0014] Preferably, the gear bracket, the fixed blade, the movable blade, the oscillating bevel gear and the reaction force shell are coaxially connected by a cutter shaft.
[0015] Preferably, the cutter shaft comprises a structure penetrating from the gear bracket side and a structure penetrating from the reaction force shell side. The cutter shaft can penetrate from the gear bracket side to achieve the fastening of the gear bracket, the fixed blade, the movable blade, the oscillating bevel gear and the reaction force shell, or penetrate from the reaction force shell side to achieve the fastening of the gear bracket, the fixed blade, the movable blade, the oscillating bevel gear and the reaction force shell.
[0016] The electric scissors with the reaction force shell anti-tooth jumping function can realize the anti-tooth jumping function through a reaction force shell without various baffles and baffle pieces, the electric scissors have few parts, simple structure, convenient disassembly and maintenance, and the anti-tooth jumping problem can be solved by only matching the reaction force shell, and the durability and service life of the electric scissors are effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1It is a structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth.
[0018] Figure 2 is a sectional view of the electric scissors with the reaction force shell anti-jumping tooth.
[0019] Figure 3 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth.
[0020] Figure 4 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 2.
[0021] Figure 5 Figure 5 is another angle exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 2.
[0022] Figure 6 Figure 6 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 3.
[0023] Figure 7 Figure 7 is another angle exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 3.
[0024] Figure 8 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 4.
[0025] Figure 9 Figure 9 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 5.
[0026] Figure 10 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 6.
[0027] Figure 11 Figure 11 is an exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 7.
[0028] Figure 12 Figure 12 is another angle exploded structural schematic view of the electric scissors with the reaction force shell anti-jumping tooth in embodiment 7.
[0029] In the drawing: 1, motor, 2, speed reducer, 3, gear support, 4, driving bevel gear;
[0030] 5, swing bevel gear, 5a, gear knife shaft hole;
[0031] 6, fixed blade, 7, moving blade, 8, reaction force shell, 9, cutter shaft, 10, mounting shaft hole, 11, fixed blade mounting boss, 12, mounting plate, 13, gear transmission hole, 14, flat plane thrust bearing, 15, cutter pin, 20, nut, 22, screw hole, 23, bolt, 24, fixed blade shaft hole, 25, anti-loose tooth piece;
[0032] 200, screw hole, 201, reaction force shell rear fixing hole, 202, reinforcing member rear fixing hole, 203, right shell rear fixing hole, 204, left shell rear fixing hole;
[0033] 211, reaction force shell front fixing hole, 213, right shell front fixing hole, 214, left shell front fixing hole;
[0034] 222, fastening nut, 266, rear fastening screw, 288, front fastening screw;
[0035] W, left shell, F, right shell, H, reinforcing member, J, reinforcing rib, GJ, fastening structure, L, anti-loose tooth gap, K, cutter shaft mounting hole, H2, fastening position, C, semicircular opening. DETAILED DESCRIPTION
[0036] The technical scheme of the utility model will be described in further detail below with specific examples and in conjunction with the drawings.
[0037] Example 1
[0038] In Figure 1 、 Figure 2 、 Figure 3 In the embodiment shown in the figure, an electric cutter with a reaction force shell anti-loose tooth structure comprises a shell, a power assembly, a transmission assembly and a cutter head assembly. The power assembly is arranged inside the shell and coaxially arranged with the shell.
[0039] The shell comprises a left shell W and a right shell F, and the left shell W and the right shell F are connected in a snap-fit manner.
[0040] The power assembly comprises a motor 1 and a speed reducer 2.
[0041] The transmission assembly comprises a driving bevel gear 4 and a swinging bevel gear 5. The swinging bevel gear 5 comprises a gear pair end and a swinging end.
[0042] The cutter head assembly comprises a fixed blade 6 and a moving blade 7. It also comprises a gear bracket 3.
[0043] The reducer 2 is connected to the motor 1. The driving bevel gear 4 is coaxially connected to the reducer 2 and extends into the gear bracket. A gear transmission hole 13 is provided on the gear bracket. The driving bevel gear 4 protrudes through the gear transmission hole 13 and meshes with the gear pair end of the oscillating bevel gear 5. The fixed blade 6 is fixed on a gear bracket 3. The moving blade 7 is fixed on the oscillating end of the oscillating bevel gear 5. The moving blade 7 forms a shearing structure with the fixed blade 6 under the drive of the oscillating bevel gear 5. The moving blade 7 rotates coaxially with the oscillating bevel gear 5.
[0044] The housing has an internal cavity, which includes a battery cavity, a power component cavity, and a gear support cavity. The battery cavity houses a battery, which can be a rechargeable battery or a dry cell battery. The motor 1 and the reducer 2 are housed within the power component cavity, and the gear support 3 is housed within the gear support cavity, with its front end extending out of the gear support cavity. The gear support contains a drive bevel gear 4 connected to the reducer.
[0045] The gear support cavity of the left housing W is provided with a front fixing hole 214 and a rear fixing hole 204.
[0046] The right housing F is provided with a front fixing hole 213 and a rear fixing hole 203 corresponding to the front fixing hole 214 and the rear fixing hole 204 of the left housing.
[0047] The front end of the right housing F is provided with a mounting plate 12, and a gear transmission hole 13 is provided on the mounting plate 12. During installation, the gear bracket is located on the left side of the mounting plate 12, and the driving bevel gear 4 is exposed from inside the gear transmission hole 13 and meshes with the swing bevel gear 5.
[0048] A reaction force housing 8 is provided on the outer side of the right housing F and on the outer side of the swing bevel gear 5. The reaction force housing 8 can be integrally formed with the right housing F or can be a separate part.
[0049] The reaction force housing 8 and the left housing W form a clamping and stabilizing structure, and an anti-skipping tooth gap L is provided between the reaction force housing 8 and the swing bevel gear 5.
[0050] The reaction force housing 8 is provided with a front fixing hole 211 and a rear fixing hole 201 corresponding to the front fixing hole 213 and the rear fixing hole 203 of the right housing.
[0051] The reaction force housing 8 may or may not have a tool shaft mounting hole K.
[0052] The gear support 3 is provided with a mounting shaft hole 10, which is not limited in form and can be a round hole or a hexagonal hole or a flat square hole, etc. The gear support 3 is provided with a fixed knife mounting boss 11 or no boss, which can be flexibly configured according to the structure of the knife shaft 9 and the fixed knife blade 6.
[0053] The swing bevel gear 5 and the reaction force shell 8 are in contact through a plane or through a plane thrust bearing 14. The moving knife blade 7 and the swing bevel gear 5 are fixedly connected through a knife pin 15.
[0054] The knife shaft 9 includes a structure penetrating from the gear support side and a structure penetrating from the reaction force shell 8 side.
[0055] In the embodiment, the knife shaft 9 penetrates from the reaction force shell 8 side. The knife shaft 9 penetrates through the knife shaft mounting hole K on the reaction force shell 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 knife blade, the fixed knife shaft hole 24 on the fixed knife blade, and the mounting shaft hole 10 on the gear support in sequence to be connected, so that the gear support 3, the fixed knife blade 6, the moving knife blade 7, the swing bevel gear 5, and the reaction force shell 8 are coaxially connected through the knife shaft 9.
[0056] The actual installation process of the electric scissors with the reaction force shell anti-jumping tooth is as follows:
[0057] During specific installation, after the power assembly is installed, it is installed into the left shell mounting cavity, then the right shell is buckled to the left shell, and the driving bevel gear 4 penetrates through the gear transmission hole 13. Then the fixed knife blade is placed on the gear support 3, and the moving knife blade is fixed at the swing end of the swing bevel gear. The moving knife blade rotates coaxially with the swing bevel gear, and the swing bevel gear is engaged with the driving bevel gear 4.
[0058] Then the reaction force shell 8 or the reaction force shell 8 with a reinforcing member H is buckled to the front end of the right shell, and the rear fastening screw 266 penetrates through the reaction force shell rear fixing hole 201, the reinforcing member rear fixing hole 202, the right shell rear fixing hole 203, the left shell rear fixing hole 204, and is connected to the fastening nut 222 through the fastening screw 266 to lock the reaction force shell 8 and the left shell W gear support cavity rear part. The front fastening screw 288 penetrates through the reaction force shell front fixing hole 211, the right shell front fixing hole 213, and the left shell front fixing hole 214 to lock the reaction force shell 8 and the left shell W gear support cavity front part.
[0059] Finally, the assembly method of the cutter shaft 9 can be matched according to the different mounting hole structures of the fixed cutter 6 and the gear bracket 3. In general, the cutter shaft 9 is passed through the reaction force housing 8, the plane bearing 14, the oscillating bevel gear and the moving cutter hole 5a, and the gear bracket 3. Then, the nut 20 is used to fasten the cutter shaft 9 with the anti-loosening gear plate 25 and the bolt 23 to lock the screw hole 22 of the fixed cutter 6.
[0060] When the cutter shaft 9 is inserted from the direction of the gear bracket 3, the boss 11 of the gear bracket is removed, and the radial rotation anti-rotation hole 10 when it is inserted from the direction of the housing 8 is changed to a round hole 10, and the cutter shaft 9 and the fixed cutter 6 are threadedly connected.
[0061] Example 2:
[0062] exist Figure 4 , Figure 5 In the illustrated embodiment, the technical solution is basically the same as that in Embodiment 1, except that: a fixing position H2 for the reinforcement is provided on the inner side of the reaction force housing 8, and the reinforcement H is provided integrally or separately on the fixing position H2. The reinforcement H is provided with a tool shaft mounting hole K or not provided with a tool shaft mounting hole K.
[0063] In this embodiment, the reinforcement component H is T-shaped and is separated from the reaction force shell 8.
[0064] The reinforcement component H is provided with two rear fixing holes 202 and a fixing structure GJ. The two rear fixing holes 202 are located at the upper ends of the T-shape, and the fixing structure GJ is located at the lower part of the T-shape.
[0065] A reinforcing rib J is provided at the location of the reinforcing member on the reaction force shell 8. The reinforcing rib J is located within the range of the reaction force shell 8 (including but not limited to the shape and structure specified), as long as it is suitable for the reinforcing member H. In this embodiment, the reinforcing rib J is in the form of a strip or a mesh structure, and is provided to be fixed to the reinforcing member H.
[0066] The fixing structure GJ on the corresponding reinforcement H is also provided on the inner side of the reaction force shell 8.
[0067] The reinforcement component H and the reaction shell 8 can be set separately or as one piece. The specific shape of the reinforcement component H is not limited, as long as it can cooperate with the reaction shell 8 to achieve the function of preventing tooth skipping in the reaction force within the inner side surface of the reaction shell 8 (including but not limited to the shape and structure referred to). The reinforcement component H can be any wedge shape, sphere shape, etc.
[0068] The specific installation method is the same as in Example 1.
[0069] Example 3:
[0070] In Figure 6 , Figure 7 The embodiment shown in the technical solution and embodiment 2 are basically the same, except that the counterforce shell 8 is provided with a counterforce shell front fixing hole 211 and a counterforce shell rear fixing hole 201 corresponding to the right shell front fixing hole 213 and the right shell rear fixing hole 203.
[0071] The end of the counterforce shell 8 is provided with a semicircular port C, and the counterforce shell 8 is not provided with a cutter shaft mounting hole K. Instead, the cutter shaft mounting hole is provided on the reinforcing member H.
[0072] The reinforcing member H is in the shape of an I-beam and is integrally or separately provided with the counterforce shell 8.
[0073] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixed connection structures GJ. The two reinforcing member rear fixing holes 202 are provided at one end of the I-beam, and the fixed connection structures GJ are provided in a triangular structure at the other end of the I-beam, and the cutter shaft mounting hole K is also provided at the end.
[0074] The reinforcing member H is provided with a reinforcing rib J at the position where the reinforcing member is provided on the counterforce shell 8. The reinforcing rib J is provided within the range of the counterforce shell 8 (including but not limited to the shape and structure indicated), 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 on the outer shell surface of the counterforce shell 8 to the position of the semicircular port C, and the length of the reinforcing rib J is basically the same as that of the reinforcing member H.
[0075] Embodiment 4:
[0076] In Figure 8 The embodiment of the electric scissors with counterforce shell anti-jumping teeth is basically the same as that of embodiment 2, except that:
[0077] Only the left shell front fixing hole 214 is provided at the position of the gear support accommodating cavity of the left shell W.
[0078] The gear support 3 is provided with two screw holes 200.
[0079] The right shell front fixing hole 213 and the right shell rear fixing hole 203 are provided on the right shell F corresponding to the left shell front fixing hole 214 and the two screw holes 200.
[0080] The right shell F is provided with a reaction force shell 8 on the outside of the right shell F and on the outside of the oscillating bevel gear 5. The reaction force shell 8 and the gear support 3 form a clamping stable structure, and the reaction force shell 8 is provided with an anti-jumping gap L with the oscillating bevel gear 5. The anti-jumping gap is arranged in a tilt structure, and the anti-jumping gap is arranged in a decreasing structure from one end of the driving bevel gear 4 to one end of the tool head assembly.
[0081] In the embodiment, the reaction force shell 8 is provided with a reaction force shell front fixing hole 211 and a reaction force shell rear fixing hole 201 corresponding to the right shell front fixing hole 213 and the right shell rear fixing hole 203.
[0082] The reaction force shell 8 is provided with a half mouth C at one end, and the reaction force shell 8 is not provided with a tool shaft mounting hole K. Instead, the tool shaft mounting hole is arranged on the reinforcing member H.
[0083] The reinforcing member H is in the shape of an I-shaped structure and is arranged integrally or separately with the reaction force shell 8.
[0084] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixed connection structures GJ. The two reinforcing member rear fixing holes 202 are arranged at one end of the I-shaped structure, the fixed connection structures GJ are arranged in a triangular structure at the other end of the I-shaped structure, and the tool shaft mounting hole K is also arranged at the end.
[0085] The reinforcing member is arranged at the position of the reaction force shell 8, and the reinforcing rib J is arranged in the range of the reaction force shell 8 (including but not limited to the shape and structure indicated). As long as the reinforcing member H is suitable, it can be arranged. In the embodiment, the reinforcing rib J is arranged in a long strip or mesh structure on the shell surface of the reaction force shell 8 to the position of the half mouth C, and the length of the reinforcing rib J is basically the same as the length of the reinforcing member H.
[0086] The fixed connection position H2 of the reinforcing member is arranged on the inside of the reaction force shell 8, and the reinforcing member H is arranged integrally or separately at the fixed position H2.
[0087] The reinforcing member H and the reaction force shell 8 can be arranged integrally or separately, and the specific shape of the reinforcing member H is not limited. As long as the reinforcing member H can be arranged in the range of the reaction force shell 8 (including but not limited to the shape and structure indicated), it can cooperate with the reaction force shell 8 to realize the anti-jumping function of the reaction force. The reinforcing member H can be any wedge shape, spherical shape, etc.
[0088] The gear support 3 is provided with a mounting shaft hole 10, which is not limited in form and can be a round hole or a hexagonal hole or a flat square hole, etc. The gear support 3 is provided with a fixed knife mounting boss 11 or no boss, which can be flexibly configured according to the structure of the knife shaft 9 and the fixed knife blade 6.
[0089] The swing bevel gear 5 and the reaction force shell 8 are in contact through a plane or through a plane thrust bearing 14. The moving knife blade 7 and the swing bevel gear 5 are fixedly connected through a knife pin 15.
[0090] The knife shaft 9 includes a structure side penetrating structure from the gear support side.
[0091] The knife shaft 9 sequentially penetrates the mounting shaft hole 10 on the gear support, the fixed knife shaft hole 24 on the fixed knife blade, the moving knife shaft hole on the moving knife blade, the gear knife shaft hole 5a on the swing bevel gear 5, and the knife shaft mounting hole K on the reinforcing member, and is connected with the plane thrust bearing 14, so as to realize coaxial connection of the gear support 3, the fixed knife blade 6, the moving knife blade 7, the swing bevel gear 5, and the reaction force shell 8 through the knife shaft 9.
[0092] The specific installation method is the same as that of embodiment 1.
[0093] Embodiment 5:
[0094] In the embodiment shown, Figure 9 In the embodiment shown, an electric scissors with a reaction force shell anti-jumping tooth, the technical scheme is basically the same as that of any one of embodiments 1-3, the difference is that the reaction force shell 8 is not provided with a knife shaft mounting hole K, and the reinforcing member H is a trapezoidal sheet, a square, a circular structure or the like simple shape.
[0095] Embodiment 6:
[0096] In the embodiment shown, Figure 10 In the embodiment shown, an electric scissors with a reaction force shell anti-jumping tooth, the technical scheme is basically the same as that of any one of embodiments 1-3, the difference is that the reaction force shell 8 is not provided with a knife shaft mounting hole K, and the reinforcing member H is a trapezoidal sheet, a square, a circular structure or the like simple shape.
[0097] Embodiment 7:
[0098] In the embodiment shown, Figure 11 , Figure 12The embodiment shown, a kind of electric scissors with reaction force shell anti-jumping tooth, technical scheme and any one of embodiment 1-6 are basically same, different is that the power component is inclined and is arranged with a certain angle with shell.The shell of the power component is integrally arranged or separately arranged with shell.Gear support mounting cavity and mounting plate 12 are arranged at the front end of shell or power component shell, gear transmission hole 13 is arranged on the mounting plate 12, when installation, gear support is arranged at the left side of mounting plate 12, driving bevel gear 4 is exposed from the inside of gear transmission hole 13 and is engaged with swing bevel gear 5.
[0099] In the embodiment, the shell and the power component shell are integrally arranged, and are divided into left shell W and right shell F,
[0100] The outer side of the right shell F is provided with a reaction force shell 8 at the same time outside the swing bevel gear 5.The reaction force shell 8 forms a clamping stable structure with the gear support 3, and the reaction force shell 8 is provided with an anti-jumping tooth gap between the swing bevel gear 5.
[0101] In the embodiment, the reaction force shell 8 is provided with a reaction force shell front fixing hole 211 and a reaction force shell rear fixing hole 201 corresponding to the right shell front fixing hole 213 and the right shell rear fixing hole 203.
[0102] The end of the reaction force shell 8 is provided with a half mouth C, and the reaction force shell 8 is not provided with a knife shaft mounting hole K on the corresponding reaction force shell 8.The knife shaft mounting hole is arranged on the reinforcing member H.
[0103] The reinforcing member H is integrally formed in an I-shaped structure and is separately arranged with the reaction force shell 8.
[0104] The reinforcing member H is provided with two reinforcing member rear fixing holes 202 and three fixed connection structures GJ.Two reinforcing member rear fixing holes 202 are arranged at one end of the I-shaped structure, and the fixed connection structure GJ is arranged in a triangular structure at the other end of the I-shaped structure, and the knife shaft mounting hole K is also arranged at the end.
[0105] The reaction force shell 8 is buckled at the front end of the right shell F, and the rear fastening screw 266 penetrates the reaction force shell rear fixing hole 201, the reinforcing member rear fixing hole 202, the right shell rear fixing hole 203 and the left shell rear fixing hole 204, and the reaction force shell 8 is locked with the left shell W gear support cavity rear through the fastening screw 266 and the fixed nut 222;The reaction force shell 8 is locked with the left shell W gear support cavity front through the front fastening screw 288 penetrating the reaction force shell front fixing hole 211, the right shell front fixing hole 213 and the left shell front fixing hole 214.
[0106] The electric scissors with the reaction force shell anti-tooth skipping of the above-mentioned embodiments completely solve the problem that the electric scissors with the bevel gear oscillation structure are prone to skip teeth during conventional assembly without various baffle sheets, and the problem can be solved by only assembling the reaction force shell, so that the electric scissors are more durable and disassembly and maintenance are simpler and more convenient.
[0107] The above-mentioned embodiments are only part of the embodiments of the present application, rather than all the embodiments. Meanwhile, based on the embodiments described in the present application, all other embodiments obtained by those skilled in the art on the basis of the technical solutions of the present application without creative labor should belong to the protection scope of the present application.
Claims
1. A power shear with reaction force housing anti-jumping tooth, comprising a housing, a power assembly, a transmission assembly and a blade head assembly, the transmission assembly comprising a gear support (3), a driving bevel gear (4) and a swing bevel gear (5), the blade head assembly comprising a fixed blade (6) and a moving blade (7), characterized in that: The moving blade (7) rotates coaxially with the oscillating bevel gear (5), and a reaction force shell (8) is arranged on the outer side of the oscillating bevel gear (5).
2. The electric scissors with counterforce housing anti-tooth skipping according to claim 1, characterized in that: The reaction force shell (8) is fastened to the shell to form a clamping stable structure, and an anti-jumping gear gap is arranged between the reaction force shell (8) and the oscillating bevel gear (5).
3. The electric scissors with counterforce housing anti-tooth skipping according to claim 1, characterized in that: The reaction force shell (8) is fastened to the gear support (3) to form a clamping stable structure, and an anti-jumping gear gap is arranged between the reaction force shell (8) and the oscillating bevel gear (5).
4. The electric scissors with counterforce housing anti-tooth skipping according to any one of claims 1 to 3, characterized in that: The inner side of the reaction force shell (8) is integrally or separately provided with a reinforcing member.
5. The electric scissors with counterforce housing anti-tooth skipping according to claim 4, characterized in that: A blade shaft mounting hole is arranged on the reaction force shell (8) or the reinforcing member.
6. The electric scissors with counterforce housing anti-tooth skipping according to claim 4, characterized in that: A reinforcing rib is arranged on the reaction force shell (8), and a reinforcing member fastening structure is arranged on the inner side of the reaction force shell.
7. The electric scissors with counterforce housing anti-tooth skipping according to any one of claims 1 to 3, characterized in that: The shell is coaxial with the power assembly or is arranged at an angle with the power assembly.
8. The electric scissors with counterforce housing anti-tooth skipping according to claim 7, characterized in that: The shell includes a left shell and a right shell, and the reaction force shell (8) is arranged in an integral or separate structure with the left shell or the right shell.
9. The electric scissors with counterforce housing anti-tooth skipping according to any one of claims 1 to 3, characterized in that: The gear support (3), the fixed blade (6), the moving blade (7), the oscillating bevel gear (5) and the reaction force shell (8) are coaxially connected through a blade shaft (9).
10. The electric scissors with counterforce housing anti-tooth skipping according to claim 9, characterized in that: The blade shaft (9) includes a structure penetrating from the gear support side and a structure penetrating from the reaction force shell side.