CN215433035U

CN215433035U - Detachable portable grinder

Info

Publication number: CN215433035U
Application number: CN202121618463.6U
Authority: CN
Inventors: 徐金松
Original assignee: Yangzhou Jinli Power Tools Co ltd
Current assignee: Yangzhou Jinli Power Tools Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-07
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a detachable portable grinder, which adopts the technical scheme that: the grinding machine comprises a grinding machine body, wherein a protective shell is arranged on one side of the grinding machine body, shells are fixedly connected to the front side and the rear side of the grinding machine body, a connecting rod is fixedly connected to one side of each shell, connecting blocks are fixedly connected to the inner parts of the shells, a first cavity is formed in each connecting block, a first rotating shaft is arranged in each cavity, one end of each rotating shaft extends to the outer part of one side of each connecting rod, and the grinding machine has the advantages that: it is very convenient when dismantling, the time of the dismantlement that can reduce effectively, still reduced artificial intensity of labour, not only convenient when dismantling also can be laborsaving respectively when the installation, only need rotate once more can, just so can not appear the protective housing damage the back most can not carry out the phenomenon changed to the protective housing, can protect user's safety effectively.

Description

Detachable portable grinder

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a detachable portable grinding machine.

Background

The grinder is a common device used for sharpening various cutters and tools, and is also used for grinding, deburring, cleaning and the like of common small parts. It is mainly composed of base, grinding wheel, motor or other power source, bracket, protective cover and water feeder. It can be divided into a hand-held grinder, a vertical grinder, a suspended grinder, a bench grinder, etc.

The prior art has the following defects: the damage takes place easily when using for current protective housing because current protective housing all installs through the bolt, will be very waste time and energy when dismantling, can increase artificial intensity of labour, can not change the protective housing like this mostly after the protective housing damages, then will be very dangerous when using the abrasive machine, cause the injury to the user easily.

Therefore, there is a need for a portable grinder of the detachable type.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a detachable portable grinder, which solves the problems that the protective housings are installed through bolts, time and labor are wasted during detachment, labor intensity of workers is increased, and most of the protective housings cannot be replaced after being damaged due to the design of a fixing mechanism.

In order to achieve the above purpose, the utility model provides the following technical scheme: a detachable portable grinder comprises a grinder body, wherein one side of the grinder body is provided with a protective shell, the front side and the rear side of the grinder body are fixedly connected with shells, one side of each of the two shells is fixedly connected with a connecting rod, connecting blocks are fixedly connected inside the two shells, cavities I are formed inside the two connecting blocks, a rotating shaft I is arranged inside each of the two cavities I, one end of each of the two rotating shafts extends to the outer part of one side of each of the two connecting rods, one end of one of the two rotating shafts is provided with a rotating assembly, and a fixing mechanism is arranged inside each of the two shells;

the fixing mechanism comprises a first bevel gear, the first bevel gear is fixedly connected to the other end of the first rotating shaft, two fixing rods are fixedly connected to one side of the first cavity, two second bevel gears are arranged on one side of the first bevel gear, the second bevel gears are meshed with the first bevel gears, two first threaded rods are fixedly connected to the outer ends of the second bevel gears and connected to the top and the bottom of the first cavity respectively, a first threaded rod is sleeved outside the first threaded rod, the first threaded rod is in threaded connection with the first threaded rod, the second cavity and the third cavity are formed in one side of the protective shell, and the third cavity is located at the top of the second cavity.

Preferably, two connecting rods are arranged on one side of the first threaded block, through holes are formed in the two connecting rods, the connecting rods extend to the inside of the second cavity, the top and the bottom of the two connecting rods are fixedly connected with a first clamping block, a first clamping groove is formed in the top and the bottom of the two cavity, the two clamping blocks are embedded in the two first clamping grooves respectively, a second rotating shaft is fixedly connected to the rear side of the first cavity and penetrates through the two through holes and is fixedly connected to the front side of the first cavity, and the two connecting rods are connected with the two first threaded blocks through rotating shafts respectively.

Preferably, two equal fixedly connected with two sliders one of screw thread piece opposite side, the cavity one side is opened and is equipped with two spout one, two the slider is inlayed respectively and is established in two spout one inside and with spout one phase-match, two the equal fixed connection in screw thread piece outside and spring one, the spring is established in threaded rod one outside, two a spring outer end is fixed connection respectively in cavity top and bottom.

Preferably, the joining block and the inner side of the first cavity are fixedly connected with a fixed plate, a moving block is arranged on one side of the fixed plate, one side of the moving block extends into the third cavity, grooves are formed in the top and the bottom of the moving block, two clamping blocks are arranged in the two grooves, two clamping grooves are formed in the top and the bottom of the third cavity, the two clamping blocks are embedded in the two clamping grooves respectively, two springs are fixedly connected to the inner sides of the two clamping blocks respectively, the inner ends of the two springs are fixedly connected to the inner sides of the two grooves respectively, two limiting blocks are fixedly connected to the two sides of the two clamping blocks respectively, two limiting grooves are formed in the two sides of the groove respectively, and the limiting blocks are embedded in the limiting grooves and matched with the limiting grooves.

Preferably, link up the equal fixedly connected with fixed block in piece top and cavity one top, two fixed block one side all is connected with threaded rod two, two one ends of threaded rod all extend to the fixed plate opposite side, two the outside of threaded rod two is all overlapped and is equipped with threaded block two, threaded block two passes through threaded connection with threaded rod two, two the equal fixed connection in movable block opposite side in two one sides of threaded block, two the equal fixedly connected with slider two in the two outside of threaded block, spout two has all been seted up with linking piece top in cavity one top two the slider is two and is inlayed respectively and establish inside two spouts and match with spout two, threaded rod two passes through the bearing with fixed plate and fixed block and is connected, fixed plate and two inboard fixedly connected with springs three of movable block.

Preferably, two the outside equal fixed cover of two threaded rods is equipped with sprocket one, sprocket one is located the fixed plate opposite side, two sprocket one outside all is equipped with chain one, two connect through a chain drive between the sprocket one, link up the inside cavity four of having seted up of piece, pivot one and two outside equal fixed covers of one of them threaded rod are equipped with sprocket two, sprocket two is located cavity four insidely, two the outside equal cover of sprocket two is equipped with chain two, two connect through two drives of chain between the sprocket two.

Preferably, a third chain wheel is fixedly sleeved on the outer portion of the first rotating shaft, the third chain wheel is located on the outer portion of the other side of the grinder body, a third chain is sleeved on the outer portion of the second chain wheel, and the second chain wheel is in driving connection with the third chain wheel through the third chain.

Preferably, the first rotating shaft is connected with the shell, the joint block and the joint rod through bearings, and the first threaded rod is connected with the fixed rod and the joint block through bearings.

Preferably, the rotating assembly comprises a knob fixedly connected to one end of one of the rotating shafts.

Preferably, the rotating assembly comprises a turntable, the turntable is fixedly connected to one end of one of the rotating shafts, a third rotating shaft is connected to one side of the turntable, and the third rotating shaft is connected with the turntable through a bearing.

The utility model has the beneficial effects that:

the utility model drives the rotating shaft to rotate by rotating the knob, so that the two threaded rods can rotate once the rotating shaft rotates, the two threaded rods can move once the two threaded blocks rotate, the two springs can be compressed once the two threaded rods move, the two connecting rods can be pulled once the two threaded blocks move, so that the two fixture blocks can be taken out from the clamping grooves, the two threaded rods can rotate once the rotating shaft rotates, the moving block can move by rotating the two threaded rods, the two springs can be compressed simultaneously, the two fixture blocks can be taken out from the two clamping grooves, then the damaged protective shell can be disassembled from the grinder body, then the protective shell can be replaced, the disassembly is very convenient and fast, the disassembly time can be effectively reduced, and the labor intensity of workers is reduced, not only when dismantling convenient when the installation also can be laborsaving respectively, only need rotate once more the knob can, just so can not appear the protective housing and damage the phenomenon that the back mostly can not change the protective housing, can protect user's safety effectively.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front view cross-section view provided by the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the utility model at B in FIG. 2

FIG. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;

in the figure: 1 grinder body, 2 protective cases, 3 shells, 4 joint rods, 5 joint blocks, 6 rotating shaft I, 7 bevel gear I, 8 fixed rods, 9 bevel gear II, 10 threaded rod I, 11 threaded block I, 12 connecting rods, 13 clamping block I, 14 rotating shaft II, 15 sliding block I, 16 spring I, 17 fixed plates, 18 moving blocks, 19 clamping blocks II, 20 spring II, 21 limiting blocks, 22 fixed blocks, 23 threaded rod II, 24 threaded block II, 25 sliding block II, 26 spring III, 27 chain wheel I, 28 chain wheel I, 29 chain wheel II, 30 chain wheel II, 31 chain wheel III, 32 chain wheel III, 33 knob, 34 rotating disc and 35 rotating shaft III.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Embodiment 1, referring to fig. 1 to 4, the detachable portable grinder provided by the utility model comprises a grinder body 1, wherein a protective shell 2 is arranged on one side of the grinder body 1, shells 3 are fixedly connected to the front side and the rear side of the grinder body 1, an attachment rod 4 is fixedly connected to one side of each of the two shells 3, an attachment block 5 is fixedly connected to the inside of each of the two shells 3, a first cavity is formed in each of the two attachment blocks 5, a first rotating shaft 6 is arranged in each of the two cavities, one end of each of the two rotating shafts 6 extends to the outside of one side of each of the two attachment rods 4, a rotating assembly is arranged at one end of each of the rotating shafts 6, and a fixing mechanism is arranged in each of the two shells 3;

the fixing mechanism comprises a first bevel gear 7, the first bevel gear 7 is fixedly connected to the other end of a first rotating shaft 6, two fixing rods 8 are fixedly connected to one side of the cavity, two bevel gears 9 are arranged on one side of the first bevel gear 7, the bevel gears 9 are meshed with the first bevel gear 7, two threaded rods 10 are fixedly connected to the outer ends of the bevel gears 9, the outer ends of the threaded rods 10 respectively penetrate through the two fixing rods 8 and are connected to the top and the bottom of the cavity, a first threaded block 11 is sleeved outside the first threaded rod 10, the first threaded block 11 is in threaded connection with the first threaded rod 10, a second cavity and a third cavity are formed in one side of the protective shell 2, and the third cavity is located at the top of the second cavity.

Furthermore, connecting rods 12 are arranged on one sides of the two first threaded blocks 11, through holes are formed in the two connecting rods 12, one sides of the two connecting rods 12 extend into the cavity II, clamping blocks 13 are fixedly connected to the tops and the bottoms of the two connecting rods 12, clamping grooves I are formed in the tops and the bottoms of the cavity II, the two clamping blocks 13 are respectively embedded in the two clamping grooves I, a rotating shaft II 14 is fixedly connected to the rear side of the cavity I, the two rotating shafts II 14 respectively penetrate through the two through holes and are fixedly connected to the front side of the cavity I, and the two connecting rods 12 are respectively connected with the two first threaded blocks 11 through rotating shafts;

furthermore, the other sides of the two first threaded blocks 11 are fixedly connected with two first sliding blocks 15, one side of the cavity is provided with two first sliding grooves, the two first sliding blocks 15 are respectively embedded in the two first sliding grooves and matched with the first sliding grooves, the outer sides of the two first threaded blocks 11 are respectively fixedly connected with a first spring 16, the first spring 16 is sleeved outside the first threaded rod 10, and the outer ends of the two first springs 16 are respectively fixedly connected to the top and the bottom of the cavity;

furthermore, a fixed plate 17 is fixedly connected with the joining block 5 and the inner side of the first cavity, a moving block 18 is arranged on one side of the fixed plate 17, one side of the moving block 18 extends into the cavity III, grooves are formed in the top and the bottom of the moving block 18, a second clamping block 19 is arranged in each groove, the top and the bottom of the cavity III are respectively provided with a second clamping groove, the two second clamping blocks 19 are respectively embedded in the two second clamping grooves, the inner sides of the two second clamping blocks 19 are respectively and fixedly connected with a second spring 20, the inner ends of the two second springs 20 are respectively and fixedly connected with the inner sides of the two grooves, both sides of the two second clamping blocks 19 are respectively and fixedly connected with a limiting block 21, both sides of the two grooves are respectively provided with a limiting groove, the limiting block 21 is embedded in the limiting groove and matched with the limiting groove, and the limiting block 21 can enable the second clamping block 19 to be more stable during movement;

furthermore, the top of the joining block 5 and the top of the cavity I are both fixedly connected with a fixed block 22, one side of each of the two fixed blocks 22 is connected with a second threaded rod 23, one end of each of the two second threaded rods 23 extends to the other side of the fixed plate 17, a second threaded block 24 is sleeved outside each of the two second threaded rods 23, the second threaded blocks 24 are in threaded connection with the second threaded rods 23, one side of each of the two second threaded blocks 24 is fixedly connected to the other side of the moving block 18, the outer sides of the two second threaded blocks 24 are both fixedly connected with a second sliding block 25, the top of the cavity I and the top of the joining block 5 are both provided with a second sliding groove, the two second sliding blocks 25 are respectively embedded inside the two second sliding grooves and matched with the two sliding grooves, the second threaded rods 23 are connected with the fixed plate 17 and the fixed block 22 through bearings, and the inner sides of the fixed plate 17 and the moving block 18 are fixedly connected with two third springs 26, the second sliding block 25 can enable the second thread block 24 to be more stable in moving;

furthermore, a first chain wheel 27 is fixedly sleeved outside each of the two second threaded rods 23, the first chain wheel 27 is located on the other side of the fixed plate 17, a first chain 28 is sleeved outside each of the two first chain wheels 27, the two first chain wheels 27 are in driving connection through the first chain 28, a fourth cavity is formed in the connecting block 5, a second chain wheel 29 is fixedly sleeved outside each of the rotating shaft 6 and one of the second threaded rods 23, the second chain wheel 29 is located inside the fourth cavity, a second chain 30 is sleeved outside each of the two second chain wheels 29, the two second chain wheels 29 are in driving connection through the second chain 30, and the second threaded rods 23 and the first rotating shaft 6 can rotate simultaneously through the second chain 30;

further, a third chain wheel 31 is fixedly sleeved outside each of the two first rotating shafts 6, the third chain wheel 31 is located outside the other side of the grinder body 1, a third chain 32 is sleeved outside each of the two third chain wheels 31, the two third chain wheels 31 are in driving connection through the third chain 32, and the two first rotating shafts 6 can rotate simultaneously through the third chain 32;

furthermore, the rotating shaft I6 is connected with the shell 3, the connecting block 5 and the connecting rod 4 through bearings, and the threaded rod I10 is connected with the fixed rod 8 and the connecting block 5 through bearings, so that the abrasion can be reduced through the bearing connection;

further, the rotating assembly comprises a knob 33, the knob 33 is fixedly connected to one end of one of the first rotating shafts 6, and the rotating knob 33 can rotate the first rotating shafts 6;

the using process of the utility model is as follows: when the utility model is used, the knob 33 is rotated to drive the first rotating shaft 6 to rotate, the first rotating shaft 6 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the first threaded rod 10 to rotate, the first threaded rod 10 rotates to enable the first threaded block 11 to move upwards and simultaneously enable the first spring 16 to be compressed, the first two threaded blocks 11 can pull the two connecting rods 12 when moving, so that the two first clamping blocks 13 can be taken out of the first clamping groove, the first rotating shaft 6 rotates to drive the second lower chain wheel 29 to rotate, the second lower chain wheel 29 rotates to drive the second upper chain wheel 29 to rotate, the second upper chain wheel 29 rotates to drive the second lower threaded rod 23 to rotate, the second lower threaded rod 23 rotates to drive the first lower chain wheel 27 to rotate, the first lower chain wheel 27 rotates to drive the first upper chain wheel 27 to rotate, and the first upper chain wheel 27 rotates to drive the second upper threaded rod 23 to rotate, two threaded rods two 23 rotate and just can make two threaded blocks two 24 remove, two threaded blocks two 24 remove and just can drive movable block 18 and remove, simultaneously can also make two springs three 26 compressed, because fixture block two 19 is circular-arc, movable block 18 just can take out fixture block two 19 from the inside of draw-in groove two when removing like this, then just can dismantle the protective housing 2 that damages from abrasive machine body 1, then just can change protective housing 2, it is very convenient when dismantling, the time of dismantlement that can reduce effectively, artificial intensity of labour has still been reduced, not only convenient when dismantling also can be laborsaving respectively when the installation, only need rotate knob 33 once more can.

Embodiment 2, referring to fig. 5, the present invention provides a portable grinder of a detachable type, which is different from embodiment 1 in that the rotating assembly includes a rotating disc 34, the rotating disc 34 is fixedly connected to one end of one of the rotating shafts 6, one side of the rotating disc 34 is connected to a rotating shaft iii 35, and the rotating shaft iii 35 is connected to the rotating disc 34 through a bearing.

The using process of the utility model is as follows: when the clamping device is used, the rotating shaft III 35 is rotated to drive the rotating disc 34 to rotate, the rotating disc 34 rotates to drive the rotating shaft I6 to rotate, the rotating shaft I6 rotates to drive the bevel gear I7 to rotate, the bevel gear I7 rotates to drive the bevel gear II 9 to rotate, the bevel gear II 9 rotates to drive the threaded rod I10 to rotate, the threaded rod I10 rotates to enable the threaded block I11 to move upwards and also enable the spring I16 to be compressed, the two connecting rods 12 can be pulled when the two threaded block I11 move, so that the two clamping blocks I13 can be taken out of the clamping groove I, the rotating shaft I6 rotates to drive the lower chain wheel II 29 to rotate, and the lower chain wheel II 29 rotates to drive the upper chain wheel II 29 to rotate.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a portable abrasive machine of detachable type, includes abrasive machine body (1), its characterized in that: the grinding machine comprises a grinding machine body (1), wherein a protective shell (2) is arranged on one side of the grinding machine body (1), shells (3) are fixedly connected to the front side and the rear side of the grinding machine body (1), connecting rods (4) are fixedly connected to one side of each of the two shells (3), connecting blocks (5) are fixedly connected to the insides of the two shells (3), a first cavity is formed in each of the two connecting blocks (5), a first rotating shaft (6) is arranged in each of the two cavities, one end of each of the two first rotating shafts (6) extends to the outside of one side of each of the two connecting rods (4), a rotating assembly is arranged at one end of each of the first rotating shafts (6), and a fixing mechanism is arranged in each of the two shells (3);

the fixing mechanism comprises a first bevel gear (7), the first bevel gear (7) is fixedly connected to the other end of the first rotating shaft (6), two fixing rods (8) are fixedly connected to one side of the cavity, two bevel gears (9) are arranged on one side of the bevel gears (7), the bevel gears (9) are meshed with the first bevel gear (7), two threaded rods (10) are fixedly connected to the outer ends of the bevel gears (9) respectively, the outer ends of the threaded rods (10) penetrate through the two fixing rods (8) and are connected to the top and the bottom of the cavity respectively, a first threaded block (11) is sleeved outside the first threaded rod (10) and is in threaded connection with the first threaded rod (10), a second cavity and a third cavity are formed in one side of the protective shell (2), and the third cavity is located at the top of the second cavity.

2. The portable grinder of claim 1, wherein: two screw thread piece (11) one side all is equipped with connecting rod (12), two the through-hole has all been seted up, two to connecting rod (12) one side all extends to inside two cavitys, two connecting rod (12) top and the equal fixedly connected with fixture block (13) in bottom, draw-in groove one has been seted up with the bottom sentence in two cavitys, two fixture block one (13) are inlayed respectively and are established inside two draw-in grooves one, a cavity rear side fixedly connected with pivot two (14), two pivot two (14) run through two through-holes and fixed connection respectively in a cavity front side, two connecting rod (12) are connected through the pivot with two screw thread piece one (11) respectively.

3. The portable grinder of claim 1, wherein: two equal fixedly connected with two sliders (15) of screw thread piece (11) opposite side, the cavity one side is opened and is equipped with two spout one, two slider (15) inlay respectively establish in two spout one inside and with spout phase-match, two equal fixed connection in screw thread piece (11) outside and spring (16), spring (16) cover is established in threaded rod (10) outside, two fixed connection is in a cavity top and bottom respectively in spring (16) outer end.

4. The portable grinder of claim 1, wherein: a fixed plate (17) is fixedly connected with the joining block (5) and the inner side of the cavity, a moving block (18) is arranged at one side of the fixed plate (17), one side of the moving block (18) extends into the cavity III, grooves are formed in the top and the bottom of the moving block (18), a second clamping block (19) is arranged in each groove, two clamping grooves are formed in the three tops of the cavity and the bottom of the cavity, two clamping blocks (19) are respectively embedded in the two clamping grooves, two clamping blocks (19) are respectively fixedly connected with two springs (20) in the two inner sides of the two springs (20) and are respectively fixedly connected to the inner sides of the two grooves, two limiting blocks (21) and limiting grooves are formed in the two sides of the two clamping blocks (19) and are respectively embedded in the two grooves, and the limiting grooves are formed in the two sides of the two grooves, and the limiting blocks (21) are embedded in the limiting grooves and matched with the limiting grooves.

5. The portable grinder of claim 4, wherein: the top of the joining block (5) and the top of the cavity I are fixedly connected with fixed blocks (22), one side of each fixed block (22) is connected with a second threaded rod (23), one end of each second threaded rod (23) extends to the other side of the fixed plate (17), two second threaded rods (23) are sleeved with a second threaded block (24), the second threaded blocks (24) are in threaded connection with the second threaded rods (23), one sides of the two second threaded blocks (24) are fixedly connected to the other side of the moving block (18), the outer sides of the two second threaded blocks (24) are fixedly connected with second sliding blocks (25), the top of the cavity I and the top of the joining block (5) are respectively provided with second sliding grooves, the two sliding blocks (25) are respectively embedded in the two sliding grooves and matched with the two sliding grooves, and the second threaded rods (23) are connected with the fixed plates (17) and the fixed blocks (22) through bearings, and two springs III (26) are fixedly connected with the inner sides of the fixed plate (17) and the moving block (18).

6. The portable grinder of claim 5, wherein: two the outside equal fixed cover of threaded rod two (23) is equipped with sprocket (27), sprocket (27) are located fixed plate (17) opposite side, two sprocket (27) outside all is equipped with chain (28), two connect through chain (28) drive between sprocket (27), link up inside cavity four of having seted up of piece (5), pivot (6) and one of them threaded rod two (23) outside equal fixed cover are equipped with sprocket two (29), sprocket two (29) are located cavity four insidely, two sprocket two (29) outside all is equipped with chain two (30), two connect through chain two (30) drive between sprocket two (29).

7. The portable grinder of claim 1, wherein: two the outside of pivot one (6) all fixed cover is equipped with sprocket three (31), sprocket three (31) are located grinder body (1) opposite side outside, two the outside of sprocket three (31) all is equipped with chain three (32), two drive connection through chain three (32) between sprocket three (31).

8. The portable grinder of claim 1, wherein: the first rotating shaft (6) is connected with the shell (3), the connecting block (5) and the connecting rod (4) through bearings, and the first threaded rod (10) is connected with the fixing rod (8) and the connecting block (5) through bearings.

9. The portable grinder of claim 1, wherein: the rotating assembly comprises a knob (33), and the knob (33) is fixedly connected to one end of one rotating shaft I (6).

10. The portable grinder of claim 1, wherein: the rotating assembly comprises a rotating disc (34), the rotating disc (34) is fixedly connected to one end of one rotating shaft I (6), one side of the rotating disc (34) is connected with a rotating shaft III (35), and the rotating shaft III (35) is connected with the rotating disc (34) through a bearing.