CN220593227U - Wool scissors - Google Patents

Abstract

The utility model relates to a wool is cut, relate to cutting equipment field, it includes wool and cuts the body, wool is cut the body and is including the casing, a motor, solid fixed ring, the ring gear, sun gear and planetary gear, the axis of rotation and the sun gear fixed connection of motor just are coaxial setting, planetary gear all meshes with the sun gear each other, ring gear fixed connection is in the casing, sun gear and planetary gear all are located the ring gear, planetary gear all meshes with the internal tooth of ring gear each other and revolves round the sun gear, gu the fixed ring cover locates in the axis of rotation of motor, gu one side and the motor fixed connection of fixed ring, gu the opposite side and the ring gear fixed connection of fixed ring, this application has in gear drive in-process, the sun gear can receive the striking and make the axis of rotation of motor take place the skew, thereby make the axis of rotation not in the very central position of planetary gear structure, reduce sun gear vibration and constantly collide with planetary gear, thereby reduce the effect that produces the noise.

Description

Wool scissors

Technical Field

The application relates to the field of cutting equipment, in particular to wool shears.

Background

Electric wool shears are electric tools for trimming sheep, down goats or fur-bearing dense animals.

In the related art, a motor is arranged in an electric wool cutter, the rotation of the motor is used for adjusting the speed through a gearbox, a rotation shaft output by the gearbox is fixedly connected with a sun gear of a planet wheel, so that the rotation force of the motor is converted into a left-right swing and then is transmitted to an upper tooth blade pressing claw of the electric wool cutter, and the upper tooth blade of the electric wool cutter is driven by the pressing claw to be matched with a fixed comb tooth (also called a lower tooth blade) to perform shearing motion, so that wool is sheared.

In view of the above related art, in the gear transmission process, the sun gear is impacted to shift the rotation shaft of the motor, so that the rotation shaft is not at the right center in the planetary gear structure, and the sun gear vibrates to continuously collide with the planetary gear, thereby generating noise, and there is room for improvement.

Disclosure of Invention

In order to reduce vibration of the sun gear and continuously collide with the planetary gear to generate noise when the sun gear is impacted to enable the rotating shaft of the motor to deviate from the right center position in the planetary gear structure in the gear transmission process, the wool scissor is provided.

The application provides a wool scissor adopts following technical scheme:

the utility model provides a wool is cut, includes wool is cut the body, wool is cut the body and is including casing, fixed connection in motor, solid fixed ring, ring gear, sun gear and a plurality of planetary gear in the casing, the axis of rotation and the sun gear fixed connection of motor just are coaxial setting, and a plurality of planetary gear all intermesh with the sun gear, ring gear fixed connection is in the casing, sun gear and a plurality of planetary gear all is located the ring gear, a plurality of planetary gear all intermesh with the internal tooth of ring gear and revolve around the sun gear, gu the fixed ring cover is located in the axis of rotation of motor, one side and the motor fixed connection of solid fixed ring, the opposite side and the ring gear fixed connection of solid fixed ring.

Through adopting above-mentioned technical scheme, one side and the motor fixed connection of solid fixed ring, the opposite side and the ring gear fixed connection of solid fixed ring to make motor and ring gear be an integer, thereby avoid the axis of rotation not in planetary gear structure's positive central point position and reduce the sun gear and bump with planetary gear when vibrating at gear pivoted in-process, increase planetary gear, sun gear and motor's concentricity, thereby noise reduction produces.

Optionally, one side of motor near sun gear fixedly connected with end cover, seted up the through-hole on the end cover, the quantity of through-hole is two at least, the through-hole with the inside of motor communicates each other, the solid fixed ring is close to one side fixedly connected with fixture block of end cover, the quantity of fixture block is unanimous with the quantity of through-hole, two the fixture block respectively one-to-one inlays and locates two in the through-hole, the fixture block is kept away from one side fixedly connected with butt piece of solid fixed ring, the butt piece pass behind the through-hole be close to one side butt of solid fixed ring in the end cover is kept away from on one side of solid fixed ring.

Through adopting above-mentioned technical scheme, after fixture block and butt piece got into the through-hole, one side butt that the butt piece is close to solid fixed ring was kept away from one side of solid fixed ring in the end cover for gu fixed ring is close to one side of motor can with the end cover fixed connection of motor, increase the connection stability between solid fixed ring and the motor.

Optionally, a guide surface is provided on a side of the abutment block away from the fixing ring, and the guide surface is located on a side of the abutment block close to the circumferential side wall of the end cover.

Through adopting above-mentioned technical scheme, the guide surface has been seted up to one side that the fixed ring was kept away from to the butt piece to can guide butt piece and fixture block get into the through-hole, increased the joint efficiency of butt piece and fixture block.

Optionally, a plurality of holes of stirring have been seted up on the periphery circumference lateral wall of end cover, stir the hole with the inside of motor communicates each other, be equipped with the catch bar on the end cover, the catch bar inlays and locates in stirring the hole, the one end butt of catch bar is on the butt piece, the other end of catch bar extends to outside stirring the hole.

Through adopting above-mentioned technical scheme, set up on the periphery lateral wall of end cover and stir the hole, the catch bar inlays and locates and stir downthehole, after motor or solid fixed ring wearing and tearing after long-time use, the user can promote the catch bar to make fixture block and butt piece break away from in the through hole, thereby make solid fixed ring and motor can dismantle the separation.

Optionally, one side of catch bar near the butt piece fixedly connected with first stopper, one side of catch bar keep away from the butt piece fixedly connected with second stopper.

Through adopting above-mentioned technical scheme, the first stopper of both ends fixedly connected with of catch bar respectively and second stopper, when avoiding wool to cut the slope or rocking, the catch bar drops from stirring downthehole, has increased the life of catch bar.

Optionally, one side fixedly connected with mounting plate that the ring gear is close to the solid fixed ring, set up the hole of wearing that the axis of rotation of confession motor wears to establish on the mounting plate, one side fixedly connected with bearing that the mounting plate is close to the solid fixed ring, the bearing is located the periphery lateral wall of wearing to establish the hole, periphery lateral wall fixed connection of the axis of rotation of motor is on the inside wall of the inner circle of bearing.

Through adopting above-mentioned technical scheme, one side fixedly connected with bearing that the mounting disc is close to solid fixed ring, the axis of rotation of motor pass bearing and sun gear fixed connection, on the one hand, provide the supporting point for the axis of rotation of motor, on the other hand, the installation of bearing makes the rotation friction between axis of rotation and the mounting disc of motor change into rolling friction to reduce the wearing and tearing phenomenon of mounting disc.

Optionally, one side fixedly connected with spacing ring of the fixed ring is close to the mounting disc, the spacing ring is arranged along the circumference lateral wall of mounting disc, the annular has been seted up to one side that the fixed ring is close to the sun gear, the annular sets up along the circumference of fixed ring and runs through outer circumference lateral wall, fixed ring and mounting disc butt each other, the spacing ring inlays and locates in the annular, the standing groove has been seted up to one side that the fixed ring is close to the sun gear, the bearing inlays and locates in the standing groove.

Through adopting above-mentioned technical scheme, when the spacing ring inlays and locates in the annular, the bearing inlays and locates in the standing groove, when later with the butt piece butt on the end cover again, the solid fixed ring can be stabilized and exist between mounting plate and motor, gu fixed ring and mounting plate appear dislocation phenomenon when avoiding the axis of rotation of motor to shake, increase the stability of connecting between solid fixed ring and motor, the mounting plate.

Optionally, a plurality of recesses have been seted up to one side that the spacing ring is close to solid fixed ring, a plurality of the recess runs through the two opposite side walls of spacing ring, one side that the solid fixed ring is close to the sun gear fixedly connected with a plurality of lugs, a plurality of the lug is located the annular, works as when gu fixed ring and mounting disc butt, the lug inlays and locates in the recess, one side fixedly connected with spacing piece that the mounting disc is close to the spacing ring, the spacing piece is located the notch department of recess, the draw-in groove has been seted up to one side that the solid fixed ring is close to the sun gear, the spacing piece inlays and locates in the draw-in groove.

Through adopting above-mentioned technical scheme, the lug inlays and locates in the recess, for solid fixed ring circumferential direction pivoted power when avoiding the axis of rotation of motor to make solid fixed ring take place the rotation of a small margin between mounting disc and end cover, and then avoid the fixture block striking through-hole, thereby cause wearing and tearing, the lug can restrict solid fixed ring's rotation of a small margin.

Optionally, one side of the mounting plate, which is close to the limiting ring, is fixedly connected with a guide post, a guide hole is formed in the fixing ring, and the guide post is embedded in the guide hole.

Through adopting above-mentioned technical scheme, the setting of guide post is because lug and recess's quantity is more, is difficult for aligning recess and lug during the installation, and the user aligns the guiding hole with the guide post, and then lug and recess, bearing and standing groove all can align during the installation, have improved the efficiency of installation.

Optionally, fixedly connected with control circuit board on the periphery lateral wall of ring gear, the mutual butt of periphery lateral wall of control circuit board and spacing ring, fixedly connected with control wool is cut the switch of work on the control circuit board, fixedly connected with button on the switch on the shell.

Through adopting above-mentioned technical scheme, sliding connection has the button of butt on the switch on the shell for the user presses the button with the hand, and then starts the wool roll and begin work.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one side of the fixed ring is fixedly connected with the motor, and the other side of the fixed ring is fixedly connected with the annular gear, so that the motor and the annular gear are integrated, the phenomenon that the rotating shaft is not at the right center of the planetary gear structure in the rotating process of the gear is avoided, the collision between the sun gear and the planetary gear during vibration is reduced, the concentricity of the planetary gear, the sun gear and the motor is increased, and the noise is reduced;

2. the arrangement of the first limiting block and the second limiting block prevents the push rod from falling from the stirring hole when the wool shears incline or shake, and the service life of the push rod is prolonged;

3. the guide post avoids the problem that the grooves and the convex blocks are not easy to align when in installation due to the fact that the quantity of the convex blocks and the grooves is large, and the installation efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a wool scissor according to an embodiment of the present application.

Fig. 2 is a partial exploded view of a wool scissor in an embodiment of the present application.

Fig. 3 is a partial exploded view of the stationary ring and motor in an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a partial back exploded view of the stationary ring and motor in an embodiment of the present application.

Reference numerals illustrate: 1. a housing; 2. a motor; 21. an end cap; 211. a through hole; 212. a push rod; 2121. a first limiting plate; 2122. a second limiting plate; 213. a toggle hole; 3. a fixing ring; 31. a clamping block; 32. an abutment block; 321. a guide surface; 33. a ring groove; 34. a placement groove; 35. a bump; 36. a clamping groove; 37. a guide hole; 4. a planetary assembly; 41. an inner gear ring; 411. a mounting plate; 412. a limiting ring; 4121. a groove; 413. penetrating holes; 414. a bearing; 415. a limiting piece; 416. a guide post; 42. a sun gear; 43. a planetary gear.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a wool scissor. Referring to fig. 1 and 2, a wool scissor includes a wool scissor body. The wool scissor body comprises a shell 1, a motor 2, a fixed ring 3 and a planetary assembly 4. The motor 2 and the planetary assembly 4 are fixedly connected in the shell 1 and are used for driving wool shears to work. The fixed ring 3 is sleeved on the rotating shaft of the motor 2 and is positioned between the planetary assembly 4 and the motor 2, one side of the fixed ring 3 is fixedly connected with the motor 2, and the other side of the fixed ring 3 is fixedly connected with the planetary assembly 4, so that the motor 2 and the planetary assembly 4 are fixedly connected into a whole.

Referring to fig. 2, the planetary assembly 4 includes an inner ring gear 41, a sun gear 42, and a number of planet gears 43. The rotation shaft of the motor 2 is fixedly connected with the sun gear 42 and coaxially arranged, so that the sun gear 42 is driven to synchronously rotate when the motor 2 rotates. A plurality of planet gears 43 intermesh with the sun gear 42 such that the sun gear 42 rotates to thereby drive the planet gears 43 in synchrony. The sun gear 42 and the plurality of planet gears 43 are both positioned in the inner gear ring 41, the plurality of planet gears 43 are meshed with the inner teeth of the inner gear ring 41, the plurality of planet gears 43 revolve around the sun gear 42 in the inner gear ring 41, and the inner gear ring 41 is fixedly connected in the shell 1 and is used for providing supporting points for the sun gear 42 and the plurality of planet gears 43. In the present embodiment, the number of the planetary gears 43 is two.

Referring to fig. 3 and 4, an end cap 21 is fixedly connected to one side of the motor 2 adjacent to the ring gear 41, so that the motor 2 can be sealed. The end cap 21 is provided with a plurality of through holes 211 on one side close to the annular gear 41, and the through holes 211 are communicated with the inside of the motor 2. One side of the fixing ring 3, which is close to the end cover 21, is fixedly connected with a plurality of clamping blocks 31, and the clamping blocks 31 are embedded in the through holes 211 in a one-to-one correspondence manner. The clamping block 31 is fixedly connected with the abutting block 32 on one side far away from the fixed ring 3, and the abutting block 32 passes through the through hole 211 and then abuts against one side far away from the fixed ring 3 of the end cover 21, so that the fixed ring 3 and the motor 2 are fixed, and the fixed ring 3 is prevented from falling off from the end cover 21. In this embodiment, the quantity of through hole 211, fixture block 31 and butt piece 32 is four, and a through hole 211, a fixture block 31 and a butt piece 32 are a set of, and four sets of circumference along solid fixed ring 3 and end cover 21 are evenly arranged for the joint is comparatively stable.

Referring to fig. 4 and 5, a guide surface 321 is provided on a side of the abutment block 32 close to the circumferential side wall of the end cap 21, and the guide surface 321 is located on a side of the abutment block 32 away from the fixing ring 3, thereby guiding the abutment block 32 into the through hole 211. The push rod 212 is arranged on the end cover 21, a plurality of stirring holes 213 are formed in the peripheral side wall of the end cover 21, the stirring holes 213 are communicated with the inside of the motor 2, the push rod 212 is embedded in the stirring holes 213, one end of the push rod 212 extends out of the stirring holes 213, and when a user pushes the push rod 212 abutting on the abutting block 32, the push rod 212 is separated from the through hole 211. The first limiting plate 2121 is fixedly connected to the side, close to the abutting block 32, of the push rod 212, and when the side, away from the abutting block 32, of the first limiting plate 2121 abuts against the side, close to the abutting block 32, of the end cover 21, the push rod 212 is not prone to falling off from the outer side wall of the end cover 21. The second limiting plate 2122 is fixedly connected to the side, away from the abutting block 32, of the push rod 212, and when one side, close to the abutting block 32, of the second limiting plate 2122 abuts against the outer circumferential side wall of the end cover 21, the push rod 212 is not easy to fall into the motor 2.

Referring to fig. 4 and 5, an annular groove 33 is formed in one side, close to the ring gear 41, of the fixing ring 3, the annular groove 33 is formed in the circumferential direction of the fixing ring 3 and penetrates through the outer circumferential side wall, one side, close to the fixing ring 3, of the ring gear 41 is fixedly connected with a mounting disc 411, one side, close to the fixing ring 3, of the mounting disc 411 is fixedly connected with a limiting ring 412, the limiting ring 412 is arranged along the circumferential side wall of the mounting disc 411, and when the fixing ring 3 and the mounting disc 411 are abutted against each other, the limiting ring 412 is clamped in the annular groove 33, so that one side, far away from the end cover 21, of the fixing ring 3 is fixedly connected with the mounting disc 411.

Referring to fig. 4 and 5, in order to fixedly connect the rotation shaft of the motor 2 to the sun gear 42 through the mounting plate 411, a through hole 413 is formed in the mounting plate 411. The mounting plate 411 is close to the one side fixedly connected with bearing 414 of solid fixed ring 3, and bearing 414 is located the periphery lateral wall of wearing to establish hole 413, and the outside circumference lateral wall of the axis of rotation of motor 2 and the inside wall fixed connection of the inner race of bearing 414 for friction between the axis of rotation of motor 2 and the mounting plate 411 reduces. The side of the fixed ring 3 near the sun gear 42 is provided with a placement groove 34, and when the fixed ring 3 and the mounting plate 411 are abutted against each other, the bearing 414 is clamped in the placement groove 34.

Referring to fig. 4 and 5, a plurality of protruding blocks 35 are fixedly connected to one side of the fixed ring 3, which is close to the ring gear 41, and the protruding blocks 35 are uniformly arranged in the ring groove 33, a plurality of grooves 4121 are formed in one side of the limiting ring 412, which is close to the fixed ring 3, and the grooves 4121 penetrate through two opposite side walls of the limiting ring 412, and the protruding blocks 35 are clamped in the grooves 4121, so that the fixed ring 3 is prevented from small-amplitude circumferential rotation. One side of the mounting plate 411, which is close to the limiting ring 412, is fixedly connected with a limiting plate 415, the limiting plate 415 is located at the notch of the groove 4121 and extends towards the direction close to the bearing 414, a clamping groove 36 is formed in one side of the fixed ring 3, which is close to the planetary gear 43, and the limiting plate 415 is clamped in the clamping groove 36, so that the connection stability of the fixed ring 3 and the mounting plate 411 is improved. The mounting plate 411 is close to one side fixedly connected with guide post 416 of fixed ring 3, and guide hole 37 has been seted up to one side that fixed ring 3 is close to mounting plate 411, and guide post 416 inlays in the guide hole 37 to guide a plurality of lugs 35 joint in recess 4121. The number of the bumps 35 in the embodiment of the present application is six.

The implementation principle of the wool shears in the embodiment of the application is as follows: when the wool shears are assembled and installed, the motor 2 is fixedly connected in the shell 1, the fixed ring 3 is sleeved on the rotating shaft of the motor 2, the abutting block 32 is clamped in the through hole 211, the planet assembly 4 is integrally sleeved on the rotating shaft of the motor 2, then the guide post 416 is clamped in the guide hole 37, the planet assembly 4 and the fixed ring 3 are extruded, the installation disc 411 and the fixed ring 3 are tightly attached, after the wool shears are installed, the wool shears are started, the rotating shaft of the motor 2 starts to rotate, the sun gear 42 synchronously rotates, the three planet gears 43 start to rotate, so that the scissors of the wool shears start to rotate, and the concentricity of the planet assembly 4 and the motor 2 is higher due to the fixed ring 3 fixedly connected with the inner gear 41 and the motor 2, and noise is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A wool scissor, characterized in that: including wool scissor body, wool scissor body includes casing (1), fixed connection motor (2), solid fixed ring (3), ring gear (41), sun gear (42) and a plurality of planetary gear (43) in casing (1), the axis of rotation and sun gear (42) fixed connection of motor (2) just are coaxial setting, and a plurality of planetary gear (43) all intermesh with sun gear (42), ring gear (41) fixed connection is in casing (1), sun gear (42) and a plurality of planetary gear (43) all are located ring gear (41), a plurality of planetary gear (43) all intermesh with the internal tooth of ring gear (41) and revolve round sun gear (42), gu in the axis of rotation of motor (2) is located to solid fixed ring (3) cover, one side and motor (2) fixed connection of solid fixed ring (3), opposite side and ring gear (41) fixed connection.

2. A wool scissor according to claim 1, characterized in that: one side fixedly connected with end cover (21) that motor (2) is close to sun gear (42), offered through hole (211) on end cover (21), the quantity of through hole (211) is two at least, through hole (211) with the inside of motor (2) communicates each other, fixed ring (3) are close to one side fixedly connected with fixture block (31) of end cover (21), the quantity of fixture block (31) is unanimous with the quantity of through hole (211), two fixture block (31) are respectively one-to-one embedded in two in through hole (211), one side fixedly connected with butt piece (32) of fixture block (31) keep away from fixed ring (3), butt piece (32) pass behind through hole (211) be close to one side butt of fixed ring (3) in on one side that end cover (21) kept away from fixed ring (3).

3. A wool scissor according to claim 2, characterized in that: the side, away from the fixed ring (3), of the abutting block (32) is provided with a guide surface (321), and the guide surface (321) is positioned on one side, close to the circumferential side wall of the end cover (21), of the abutting block (32).

4. A wool scissor according to claim 2, characterized in that: a plurality of stirring holes (213) are formed in the peripheral side wall of the end cover (21), the stirring holes (213) are communicated with the inside of the motor (2), a pushing rod (212) is arranged on the end cover (21), the pushing rod (212) is embedded in the stirring holes (213), one end of the pushing rod (212) is abutted to the abutting block (32), and the other end of the pushing rod (212) extends out of the stirring holes (213).

5. A wool scissor according to claim 4, wherein: one side of the pushing rod (212) close to the abutting block (32) is fixedly connected with a first limiting block, and one side of the pushing rod (212) away from the abutting block (32) is fixedly connected with a second limiting block.

6. A wool scissor according to claim 1, characterized in that: one side fixedly connected with mounting disc (411) that ring gear (41) is close to solid fixed ring (3), set up on mounting disc (411) and supply the rotation axis of motor (2) to wear to establish hole (413), one side fixedly connected with bearing (414) that mounting disc (411) is close to solid fixed ring (3), bearing (414) are located the periphery lateral wall that wears to establish hole (413), the periphery lateral wall fixed connection of the rotation axis of motor (2) is on the inside wall of the inner circle of bearing (414).

7. A wool scissor according to claim 6, wherein: one side fixedly connected with spacing ring (412) that mounting disc (411) is close to solid fixed ring (3), spacing ring (412) are arranged along the circumference lateral wall of mounting disc (411), annular groove (33) have been seted up to one side that gu fixed ring (3) is close to sun gear (42), annular groove (33) set up along the circumference of gu fixed ring (3) and run through the periphery lateral wall of gu fixed ring (3), gu fixed ring (3) and mounting disc (411) butt each other, spacing ring (412) inlay in annular groove (33), standing groove (34) have been seted up to one side that gu fixed ring (3) is close to sun gear (42), in standing groove (34) are inlayed in bearing (414).

8. A wool scissor according to claim 7, wherein: the utility model discloses a fixed ring, including fixed ring (3), fixed ring (412), fixed ring (3), recess (4121) have been seted up to one side that fixed ring (412) is close to, a plurality of recess (4121) runs through the opposite side wall of spacing ring (412), one side fixedly connected with of fixed ring (3) near sun gear (42) has a plurality of lugs (35), a plurality of lug (35) are located annular (33), works as when fixed ring (3) and mounting disc (411) butt, lug (35) inlay in recess (4121), one side fixedly connected with spacing piece (415) of mounting disc (411) near spacing ring (412), spacing piece (415) are located the notch department of recess (4121), draw-in groove (36) have been seted up to one side that fixed ring (3) is close to sun gear (42), spacing piece (415) inlay in locating draw-in groove (36).

9. A wool scissor according to claim 8, wherein: one side of the mounting plate (411) close to the limiting ring (412) is fixedly connected with a guide post (416), the fixing ring (3) is provided with a guide hole (37), and the guide post (416) is embedded in the guide hole (37).