CN209058924U - A kind of portable grinder at a slow speed - Google Patents

Abstract

The utility model discloses a kind of portable grinders at a slow speed；Belong to grinder technical field；Technical points include beans cup, the powder cabin that beans cup discharge port one end is arranged in and the grinding assembly being arranged in beans cup, wherein being connected with driving shell at the top of the beans cup, are equipped with motor in driving shell, battery is equipped in the driving shell of motor side；It is additionally provided with master control borad in driving shell, master control borad is connect with battery and motor circuit respectively；The reduction gearbox with motor power output axis connection is equipped in the driving shell, reduction gearbox power output shaft connect linkage with grinding assembly；The reduction gearbox is fixedly connected by retention mechanism with motor；The outer diameter of the reduction gearbox is 25-32mm；The utility model is intended to provide portable grinder at a slow speed that is a kind of compact-sized, easy to use and working well；For grinding material.

Description

A kind of portable grinder at a slow speed

Technical field

The utility model relates to a kind of grinders, more specifically, more particularly to a kind of portable grinder at a slow speed.

Background technique

Existing grinder mainly has hand-ground and two kinds of electric grinding.Manual grinder is small in size, but grinds effect Rate is low, and use is more inconvenient, is typically adapted to household, grinds a small amount of material.Although motor-driven mill grinding efficiency is high, it is suitable for batch Grinding material, but its volume is big, is not easy to move, is typically adapted to business application.In order to make household grinding also become convenient and efficient, The motor-driven mill of household is come into being.But existing electric household grinder, however it remains unreasonable structure, volume compared with Greatly, it is unsuitable for portable notch.

Utility model content

The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of compact-sized, easy to use And the portable grinder at a slow speed to work well.

The technical solution of the utility model is achieved in that a kind of portable grinder at a slow speed, including beans cup, setting exist The powder cabin of beans cup discharge port one end and the grinding assembly being arranged in beans cup, wherein it is connected with driving shell at the top of the beans cup, It is equipped with motor in driving shell, battery is equipped in the driving shell of motor side；Master control is additionally provided in driving shell Plate, master control borad are connect with battery and motor circuit respectively；

The reduction gearbox with motor power output axis connection, reduction gearbox power output shaft and grinding are equipped in the driving shell Component connection linkage；The reduction gearbox is fixedly connected by retention mechanism with motor；The outer diameter of the reduction gearbox is 25-32mm.

In a kind of above-mentioned portable grinder at a slow speed, the driving shell is by fuselage, setting in fuselage upper end opening portion Upper cover and be arranged in upper cover upper surface decorative copper lid composition.

In a kind of above-mentioned portable grinder at a slow speed, the master control borad is horizontally set on driving shell inner top, in master Control board bottom portion is equipped with the motor pressing cover matched with motor, and the setting of master control board clamping is between driving shell and motor pressing cover；? Master control borad is equipped with touch control key, is equipped with the touch plane matched with touch control key in the middle part of driving shell.

In a kind of above-mentioned portable grinder at a slow speed, the retention mechanism by be fixedly connected with motor fixed frame, one It is body formed to be constituted in reduction gearbox upper end and the connection ring that is matched with fixed frame and the snap ring being set on connection ring outer wall；Solid Determine to be equipped with the limiting groove matched with limit raised line on connection ring inner wall circumferentially arranged with limit raised line on frame lateral wall； In connection ring outer wall upper end integrally formed with the annular stop boss matched with snap ring.

It is circumferentially spaced in the connection ring to be evenly equipped with several positioning and lack in a kind of above-mentioned portable grinder at a slow speed Mouthful, the locating convex block that cooperation is corresponded with each locating notch is equipped on fixed frame outer wall.

In a kind of above-mentioned portable grinder at a slow speed, the driving shell lower end integrally formed with internal screw thread connection ring, In beans cup upper end integrally formed with the external screw thread connection ring being threadedly coupled with internal screw thread connection ring, internal screw thread connection ring and external screw thread The direction that connection ring screw thread is tightened is opposite with the direction of rotation of motor.

In a kind of above-mentioned portable grinder at a slow speed, the beans cup is arranged with internal screw thread attachment base in lower end, in interior spiral shell Positioning tabletting is equipped in line attachment base, internal screw thread attachment base is fixedly connected by positioning tabletting with beans cup；It is set in powder cabin opening portion There is the external screw thread ring matched with internal screw thread attachment base.

In a kind of above-mentioned portable grinder at a slow speed, the grinding assembly include the sharpening bracket being arranged in beans cup, The transmission shaft that is flexibly connected by two bearings with sharpening bracket, the sharpening for being set in transmission shaft lower part, be arranged in beans cup and The knife-grinding seat matched with sharpening, the first holddown spring for being folded between sharpening and bearing and it is threaded in transmission shaft lower end Fine-tuning nut；

The abdicating through hole being adapted with transmission shaft is equipped on sharpening bracket, in the corresponding mill of abdicating through hole upper and lower ends The installation gap being adapted with bearing is respectively equipped on knife support；The limit matched with bearing is equipped in transmission shaft upper end close end Position bulge loop, bearing located above are limited in corresponding installation gap by position limiting convex ring；Reduction gearbox power output shaft edge Radial section is regular polygon, and the connecting hole matched with reduction gearbox power output shaft is equipped in transmission shaft upper end.

In a kind of above-mentioned portable grinder at a slow speed, anti-loosing mechanism is equipped between the fine-tuning nut and sharpening, it should Anti-loosing mechanism is by being plugged in the mandril installed in counterbore along the circumferentially-spaced uniformly distributed several installation counterbores of fine-tuning nut, activity It the locking mandril that cover, is arranged in mandril lid and is folded in locking mandril and the second holddown spring in counterbore between bottom is installed Composition；The locking mandril is by the body of rod, integrated molding in the positive stop lug boss of body of rod upper end and integrated molding in positive stop lug boss upper end Spherical surface locking head composition, the relief hole for being equipped with and being adapted with the locking head of spherical surface is covered in mandril, sharpening bottom be equipped with it is each The one-to-one antiratchetting groove of the locking head of spherical surface.

In a kind of above-mentioned portable grinder at a slow speed, indicator light lamp plate, indicator light lamp plate are equipped in the driving shell With master control borad circuit connection；It is equipped with decorative layer on the driving shell end face opposite with beans cup, is externally provided with light guide plate in decorative layer, Transparent light guide column is equipped on light guide plate, transparent light guide column passes through decorative layer and driving shell extends to and drives shell interior and instruction Lamp lamp plate is opposite.

The utility model after adopting the above structure, by the way that cleverly retention mechanism is arranged, so that the size of reduction gearbox is substantially It reduces, so that the radial dimension of grinder be made substantially to be reduced.Meanwhile by adjusting the installation site of master control borad and battery, So that the axial dimension of grinder is also reduced, make the size of final products, overall volume is smaller, easily portable.

Detailed description of the invention

The utility model is described in further detail for embodiment in reference to the accompanying drawing, but does not constitute to this reality With novel any restrictions.

Fig. 1 is the schematic diagram of internal structure of the utility model；

Fig. 2 is the partial enlargement diagram in Fig. 1 at A；

Fig. 3 is the partial enlargement diagram in Fig. 1 at B；

Fig. 4 is the partial enlargement diagram in Fig. 1 at C；

Fig. 5 is the partial enlargement diagram in Fig. 1 at D；

Fig. 6 is the partial enlargement diagram in Fig. 1 at E；

Fig. 7 is the decomposition texture schematic diagram of the utility model driving casing part；

Fig. 8 is the assembling structure schematic diagram of the utility model motor and reduction gearbox；

Fig. 9 is the decomposition texture schematic diagram of the utility model beans cup and powder cabin part；

Figure 10 is the decomposition texture schematic diagram of the utility model anti-loosing mechanism.

In figure: beans cup 1, external screw thread connection ring 1a, powder cabin 2, external screw thread ring 2a, grinding assembly 3, sharpening bracket 3a, bearing 3b, transmission shaft 3c, sharpening 3d, knife-grinding seat 3e, the first holddown spring 3f, fine-tuning nut 3g, abdicating through hole 3h, position limiting convex ring 3i, Connecting hole 3j, antiratchetting groove 3k, driving shell 4, fuselage 4a, upper cover 4b, decorative copper lid 4c, plane 4d, internal screw thread connection ring are touched 4e, motor 5, motor pressing cover 5a, battery 6, master control borad 7, touch control key 7a, reduction gearbox 8, retention mechanism 9, fixed frame 9a, Connection ring 9b, snap ring 9c, limit raised line 9d, limiting groove 9e, annular stop boss 9f, locating notch 9g, locating convex block 9h, Internal screw thread attachment base 10, positioning tabletting 11, anti-loosing mechanism 12, installation counterbore 12a, mandril lid 12b, locking mandril 12c, the The locking head 12g of two holddown spring 12d, body of rod 12e, positive stop lug boss 12f, spherical surface, relief hole 12h, indicator light lamp plate 13, decoration Layer 14, light guide plate 15, transparent light guide column 15a.

Specific embodiment

Referring to FIG. 1 to 10, a kind of portable grinder at a slow speed of the utility model, including beans cup 1, setting are in beans The powder cabin 2 of 1 discharge port one end of cup and the grinding assembly 3 being arranged in beans cup 1.The grinding assembly 3 includes being arranged in beans cup 1 Interior sharpening bracket 3a, it the transmission shaft 3c being flexibly connected by two bearing 3b with sharpening bracket 3a, is set under transmission shaft 3c The sharpening 3d in portion, it the knife-grinding seat 3e for being arranged in beans cup 1 and being matched with sharpening 3d, is folded between sharpening 3d and bearing 3b The first holddown spring 3f and fine-tuning nut 3g for being threaded in the lower end transmission shaft 3c.The bearing being located below then passes through the first pressure Tight spring retainer is in corresponding installation gap.

The abdicating through hole 3h being adapted with transmission shaft 3c is equipped on sharpening bracket 3a, in abdicating through hole 3h upper and lower ends The installation gap being adapted with bearing 3b is respectively equipped on corresponding sharpening bracket 3a；Transmission shaft 3c upper end close end be equipped with The position limiting convex ring 3i, bearing 3b located above that bearing 3b is matched are limited in corresponding installation gap by position limiting convex ring 3i； The section of 8 power output shaft of reduction gearbox radially is regular polygon, is equipped in the upper end transmission shaft 3c defeated with 8 power of reduction gearbox The connecting hole 3j that shaft matches.

Further, to prevent fine-tuning nut from loosening, anti-loosing mechanism 12 is equipped between fine-tuning nut 3g and sharpening 3d, The anti-loosing mechanism 12 is by being plugged in installation counterbore along the circumferentially-spaced uniformly distributed several installation counterbore 12a of fine-tuning nut 3g, activity Mandril lid 12b in 12a, the locking mandril 12c being arranged in mandril lid 12b and it is folded in locking mandril 12c and installation counterbore The second holddown spring 12d composition in 12a between bottom；The locking mandril 12c is by body of rod 12e, integrated molding in the body of rod The positive stop lug boss 12f of the upper end 12e and the locking head 12g of spherical surface being integrally formed in the upper end positive stop lug boss 12f are formed, in mandril lid 12b is equipped with the relief hole 12h being adapted with the locking head 12g of spherical surface, is equipped with and the locking head 12g of each spherical surface in the bottom sharpening 3d One-to-one antiratchetting groove 3k.

Meanwhile in driving 4 lower end of shell integrally formed with internal screw thread connection ring 4e, 1 upper end of beans cup integrally formed with External screw thread the connection ring 1a, internal screw thread connection ring 4e that internal screw thread connection ring 4e is threadedly coupled are tightened with external screw thread connection ring 1a screw thread Direction it is opposite with the direction of rotation of motor 5.It, can be de- with beans cup because of the rotation of motor to avoid powder cabin using this structure From.

In order to keep the fixation of powder cabin easier, while keeping overall structure more compact, is arranged in 1 lower end of beans cup interior Be threadedly coupled seat 10, inside be threadedly coupled seat 10 in be equipped with positioning tabletting 11, internal screw thread attachment base 10 by positioning tabletting 11 with Beans cup 1 is fixedly connected；The external screw thread ring 2a matched with internal screw thread attachment base 10 is equipped in 2 opening portion of powder cabin.

Driving shell 4 is connected at the top of beans cup 1, the driving shell 4 is by fuselage 4a, setting in fuselage 4a upper end opening portion Upper cover 4b and be arranged in the upper surface upper cover 4b decorative copper lid 4c composition.Motor 5 is equipped in fuselage 4a, in 5 side of motor Fuselage 4a in be equipped with battery 6, battery upper end be equipped with cushion, upper cover squeeze cushion battery is fixed, this Sample can play buffer function while playing fixed battery, reduce battery when grinder is mobile or work Vibration.Battery is mounted in motor side, rather than at the top of motor, it can substantially shorten the whole height of grinder, make it Volume-diminished.Be additionally provided with master control borad 7 in driving shell 4, master control borad 7 respectively with 5 circuit connection of battery 6 and motor.It is preferred that Ground, the master control borad 7 are horizontally set on driving 4 inner top of shell, the motor matched with motor 5 are equipped in 7 bottom of master control borad Gland 5a, master control borad 7 clamp setting between driving shell 4 and motor pressing cover 5a；Touch control key is equipped on master control borad 7 7a is equipped with the touch plane 4d matched with touch control key 7a in the middle part of driving shell 4, is equipped with and presses in touch planar outer surfaces Key paster.Master control borad is horizontally mounted, rather than vertically-mounted, identical as the installation of battery, can play diminution grinding body Long-pending effect.Meanwhile touch key-press is used, so that grinder overall sealing performance is more preferable, product surface is more succinct.

Be equipped with reduction gearbox 8 with 5 power output axis connection of motor in driving shell 4,8 power output shaft of reduction gearbox with grind Grind the connection linkage of component 3；The reduction gearbox 8 is fixedly connected by retention mechanism 9 with motor 5；The outer diameter of the reduction gearbox 8 is 25-32mm。

In the present embodiment, the retention mechanism 9 by be fixedly connected with motor 5 fixed frame 9a, be integrally formed slowing down 8 upper end of case and the connection ring 9b matched with fixed frame 9a and the snap ring 9c being set on connection ring 9b outer wall composition；Fixed frame It is fixed by screws on motor, circumferentially arranged with limit raised line 9d on fixed frame 9a lateral wall, on connection ring 9b inner wall Equipped with the limiting groove 9e matched with limit raised line 9d；It is matched in connection ring 9b outer wall upper end integrally formed with snap ring 9c Annular stop boss 9f.The connection type of reduction gearbox and motor is dexterously set by existing retention mechanism on the outside of reduction gearbox Meter to the retention mechanism is located on the inside of reduction gearbox, the size of reduction gearbox is significantly reduced, so that grinder Radial dimension reduced.By reducing reduction gearbox size and changing the installation site of battery and master control borad, so that grinding The size reduction of machine is to height 200-210mm, diameter 60-70mm.

It is more firm to make to connect, prevent the relatively fixed frame of reduction gearbox and rotates, it is circumferentially spaced on connection ring 9b Several locating notch 9g are evenly equipped with, the locating convex block for corresponding cooperation with each locating notch 9g is equipped on fixed frame 9a outer wall 9h。

Further, indicator light lamp plate 13, indicator light lamp plate 13 and 7 circuit connection of master control borad are equipped in driving shell 4； It is equipped with decorative layer 14 on driving shell 4 end face opposite with beans cup 1, light guide plate 15 is externally provided in decorative layer 14, in light guide plate 15 are equipped with transparent light guide column 15a, and transparent light guide column 15a passes through decorative layer 14 and driving shell 4 extends in driving shell 4 It is opposite with indicator light lamp plate 13.It, can be the not aperture on driving shell the case where by the design of light guide plate and transparent light guide column Under, by the light of internally positioned indicator light lamp plate, guidance is to driving case surface, thus more convenient user's viewing lamp Color so that more convenient to use.

In use, material, which is poured into beans cup, is, motor is started by touch key-press, can be cooperated by whetting a knife with knife-grinding seat Material is ground, the powder formed after grinding enters in powder cabin.

Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and It is non-to impose any limitation on the present invention, any those of ordinary skill in the art, if not departing from In the range of the mentioned technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic In the range of.

Claims (10)

1. a kind of portable grinder at a slow speed, including beans cup (1), setting beans cup (1) discharge port one end powder cabin (2) and setting Grinding assembly (3) in beans cup (1), which is characterized in that driving shell (4) is connected at the top of the beans cup (1), it is outer in driving Motor (5) are equipped in shell (4), are equipped with battery (6) in the driving shell (4) of motor (5) side；In driving shell (4) Be additionally provided with master control borad (7), master control borad (7) respectively with battery (6) and motor (5) circuit connection；

The reduction gearbox (8) with motor (5) power output axis connection, reduction gearbox (8) power output are equipped in driving shell (4) Axis connect linkage with grinding assembly (3)；The reduction gearbox (8) is fixedly connected by retention mechanism (9) with motor (5)；It is described to subtract The outer diameter of fast case (8) is 25-32mm.

2. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that the driving shell (4) is by machine Body (4a), setting fuselage (4a) upper end opening portion upper cover (4b) and setting the upper surface upper cover (4b) decorative copper lid (4c) Composition.

3. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that master control borad (7) level is set It sets in driving shell (4) inner top, the motor pressing cover (5a) matched with motor (5), master control borad is equipped in master control borad (7) bottom (7) setting is clamped between driving shell (4) and motor pressing cover (5a)；It is equipped with touch control key (7a) on master control borad (7), The touch plane (4d) matched with touch control key (7a) is equipped in the middle part of driving shell (4).

4. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that the retention mechanism (9) by with Fixed frame (9a) that motor (5) is fixedly connected is integrally formed in reduction gearbox (8) upper end and the connection that matches with fixed frame (9a) Ring (9b) and the snap ring (9c) being set on connection ring (9b) outer wall are constituted；Circumferentially arranged with limit on fixed frame (9a) lateral wall Position raised line (9d) is equipped with the limiting groove (9e) matched with limit raised line (9d) on connection ring (9b) inner wall；In connection ring (9b) outer wall upper end is integrally formed with the annular stop boss (9f) matched with snap ring (9c).

5. a kind of portable grinder at a slow speed according to claim 4, which is characterized in that along week on the connection ring (9b) To there is several locating notches (9g) uniformly at intervals, it is equipped on fixed frame (9a) outer wall and matches with each locating notch (9g) one-to-one correspondence The locating convex block (9h) of conjunction.

6. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that driving shell (4) lower end Integrally formed with internal screw thread connection ring (4e), it is threadedly coupled in beans cup (1) upper end integrally formed with internal screw thread connection ring (4e) External screw thread connection ring (1a), the direction and motor (5) that internal screw thread connection ring (4e) and external screw thread connection ring (1a) screw thread are tightened Direction of rotation it is opposite.

7. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that beans cup (1) lower end inner sleeve It equipped with internal screw thread attachment base (10), is threadedly coupled in seat (10) is equipped with positioning tabletting (11) inside, internal screw thread attachment base (10) is logical Positioning tabletting (11) is crossed to be fixedly connected with beans cup (1)；It is equipped in powder cabin (2) opening portion and is matched with internal screw thread attachment base (10) External screw thread ring (2a).

8. a kind of portable grinder at a slow speed according to claim 1, which is characterized in that the grinding assembly (3) includes The sharpening bracket (3a) being arranged in beans cup (1), the transmission shaft being flexibly connected by two bearings (3b) with sharpening bracket (3a) (3c), the sharpening (3d) for being set in the lower part transmission shaft (3c), setting are in the knife-grinding seat that beans cup (1) is interior and matches with sharpening (3d) (3e), the first holddown spring (3f) being folded between sharpening (3d) and bearing (3b) and it is threaded in the lower end transmission shaft (3c) Fine-tuning nut (3g)；

The abdicating through hole (3h) adaptable with transmission shaft (3c) is equipped on sharpening bracket (3a), in abdicating through hole (3h) up and down two It is respectively equipped on the corresponding sharpening bracket (3a) at end and bearing (3b) adaptable installation gap；It is close in the upper end transmission shaft (3c) End is equipped with the position limiting convex ring (3i) matched with bearing (3b), and bearing located above (3b) is limited by position limiting convex ring (3i) In corresponding installation gap；The section of reduction gearbox (8) power output shaft radially is regular polygon, on transmission shaft (3c) End is equipped with the connecting hole (3j) matched with reduction gearbox (8) power output shaft.

9. a kind of portable grinder at a slow speed according to claim 8, which is characterized in that the fine-tuning nut (3g) and mill Between knife (3d) be equipped with anti-loosing mechanism (12), the anti-loosing mechanism (12) by along fine-tuning nut (3g) if circumferentially-spaced uniformly distributed Dry installation counterbore (12a), activity are plugged in the mandril lid (12b) installed in counterbore (12a), are arranged in mandril lid (12b) Locking mandril (12c) and the second holddown spring being folded between locking mandril (12c) and installation interior bottom counterbore (12a) (12d) composition；The locking mandril (12c) by the body of rod (12e), be integrally formed the upper end the body of rod (12e) positive stop lug boss (12f) And the locking head of spherical surface (12g) being integrally formed in the upper end positive stop lug boss (12f) forms, and is equipped on mandril lid (12b) and spherical surface The adaptable relief hole (12h) of locking head (12g) is equipped in the sharpening bottom (3d) and corresponds with the locking head of each spherical surface (12g) Antiratchetting groove (3k).

10. a kind of portable grinder at a slow speed according to claim 1 or 2, which is characterized in that the driving shell (4) It is interior to be equipped with indicator light lamp plate (13), indicator light lamp plate (13) and master control borad (7) circuit connection；In driving shell (4) and beans cup (1) Opposite end face is equipped with decorative layer (14), is externally provided with light guide plate (15) in decorative layer (14), is equipped on light guide plate (15) saturating Bright light-guiding pillar (15a), transparent light guide column (15a) pass through decorative layer (14) and driving shell (4) extend to driving shell (4) in Indicator light lamp plate (13) is opposite.