CN214817226U

CN214817226U - Angle-adjustable wall surface grinding machine

Info

Publication number: CN214817226U
Application number: CN202023083633.3U
Authority: CN
Inventors: 金立根
Original assignee: Ningbo Haqtool Co ltd
Current assignee: Ningbo Haqtool Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-23
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to an angularly adjustable wall polisher relates to the electric tool field, it includes the frame and connects the head of polishing in the frame through the motor flexible axle, the one end that the frame is close to the head of polishing is provided with a connecting rod, the one end that the frame was kept away from to the connecting rod is provided with a slide bar, the slide bar is crooked setting, and sliding connection has a cover that slides on the slide bar, the one end that the slide bar was kept away from to the cover that slides is provided with the linking arm, the one end rotation connection that the cover that slides was kept away from to the linking arm is overhead in polishing. The polishing head is connected with the frame in a rotating mode, a sliding sleeve and a sliding rod which are matched with each other are arranged between the polishing head and the frame, and the sliding rod is arranged in a bending mode, so that the polishing head can be adjusted in angle according to actual working conditions, and the wall surface polisher has good adaptability.

Description

Angle-adjustable wall surface grinding machine

Technical Field

The application relates to the field of electric tools, in particular to an angle-adjustable wall surface grinding machine.

Background

The wall polisher is a tool for replacing the traditional manual work of polishing the wall by using sand paper, and can polish and flatten the wall. The wall surface grinding machine can also optimize the working environment, improve the working efficiency and improve the decoration quality.

Common wall polisher at present is mostly hand-held type polisher, for the convenience of the wall polisher is to the polishing of eminence wall, can be provided with a holding rod that is used for increasing wall polisher length on the wall polisher, but when the wall that needs polished changes, the wall polisher that is provided with holding rod is difficult to the different operating mode of adaptation to it is relatively poor to make the adaptability of wall polisher in the use.

SUMMERY OF THE UTILITY MODEL

In order to improve the adaptability of wall polisher, this application provides a wall polisher with adjustable angle.

The application provides a wall polisher with adjustable angle adopts following technical scheme:

the utility model provides an angularly adjustable wall polisher, includes the frame and connects the head of polishing in the frame through the motor flexible axle, the one end that the frame is close to the head of polishing is provided with a connecting rod, and the one end that the frame was kept away from to the connecting rod is provided with a slide bar, and the slide bar is crooked setting, and sliding connection has a cover that slides on the slide bar, and the one end that the slide bar was kept away from to the cover that slides is provided with the linking arm, and the linking arm is kept away from the one end rotation connection that slides the cover and is polished overhead.

Through adopting above-mentioned technical scheme, when the user utilized the wall polisher to polish the wall, the user can rotate the head of polishing around its and the rotation center of connection between the linking arm according to operating condition to adjust the contained angle between the axial of head of polishing and the axial of frame, the wall polisher can be according to operating condition angle regulation, thereby make the wall polisher have better adaptability. When the user need use wall polisher to polish the ceiling, the user need be with the rotatory great angle of polishing head, and the motor flexible axle that is located between polishing head and the frame this moment can take place great bending deformation to make the life of flexible axle can receive the influence. The user can slide the cover to the direction of keeping away from the frame that slides this moment, and the distance between frame and the head of polishing this moment can increase, and because the slide bar is crooked setting, consequently the crooked structure of slide bar can compensate the angle between the axial of head of polishing and the axial of frame to make the crooked deformation that the motor flexible axle takes place reduce to some extent, and then the life of the wall polisher of extension.

Optionally, one end of the sliding sleeve, which is far away from the connecting arm, is fixedly connected with a fastening sleeve for tightly holding the sliding rod.

By adopting the technical scheme, when the clamping sleeve is tightly held on the slide rod, the sliding sleeve fixedly connected with the clamping sleeve and the slide rod can not move relatively, so that the relative position between the polishing head and the rack is fixed.

Optionally, a notch has been seted up on the cylinder of adapter sleeve keeping away from slip cover one side, has seted up two through-holes on the cylinder of adapter sleeve, and the through-hole is about notch symmetrical arrangement, has seted up a groove that slides on the cylinder of slide bar, has an adjusting bolt to pass two through-holes and the groove that slides, and the one end that adjusting bolt kept away from its head carries out threaded connection with the nut.

Through adopting above-mentioned technical scheme, the user changes the distance between bolt head and the nut through rotating the bolt, and when the distance between bolt head and the nut reduced, the bolt head extrudeed the cylinder of adapter sleeve both sides with the nut to make the notch department of adapter sleeve produce elastic deformation, and then make the internal diameter of adapter sleeve reduce, the adapter sleeve also consequently hugs closely on the slide bar. When the distance between the bolt head and the nut is increased, the elastic deformation at the notch of the adapter sleeve is recovered, so that the inner diameter of the adapter sleeve is recovered to a natural state, the clamping effect on the sliding rod is relieved, and a user can slide the adapter sleeve and the sliding sleeve on the sliding rod in a labor-saving manner.

Optionally, a limiting plate is arranged on the cylindrical surface of one side, close to the sliding sleeve, of the adapter sleeve, a connecting portion is formed between the limiting plate and the end, close to one end of the sliding sleeve, of the adapter sleeve, and the limiting plate abuts against the surface, facing the sliding sleeve, of the sliding sleeve.

Through adopting above-mentioned technical scheme, when the user will slide the cover and establish when the locking is sheathe in, the limiting plate butt of locking cover can provide a feedback for the user when sliding sheathe in, and the user can learn the locking cover and slide the relative position between the cover to make locking cover and slide and have better assembly convenience between the cover.

Optionally, a connecting hole has been seted up on the connecting portion, and first connecting hole is on the connecting portion about the axial symmetry of connecting portion arranges, and the cover that slides is close to and has seted up the second connecting hole with first connecting hole correspondence on the cylinder of adapter sleeve one side, and when the limiting plate was put in the face of the surperficial butt of the cover that slides, the axial of first connecting hole second connecting hole was located the same cross section of slide bar, and has a bolt to carry out fixed connection with the adapter sleeve through passing second connecting hole and first connecting hole and sliding groove in proper order and carrying out the mode of thread tightening with the nut.

Through adopting above-mentioned technical scheme, wear to establish the bolt in first connecting hole and the second connecting hole and make and can't produce relative rotation between slip cover and the slide bar, and the cooperation of the groove of sliding of slide bar and bolt makes the slide bar play the guide effect to the slip of slip cover.

Optionally, a hexagonal countersunk hole for the nut to be embedded into is formed in the second through hole of the adapter sleeve.

Through adopting above-mentioned technical scheme, because the counter sink is interior hexagonal shape, therefore the nut invasion when the counter sink is downthehole, the relative rotation takes place for the nut and adapter sleeve, and the user is when the swivel bolt head, and the nut can not be because of rotating along with the bolt in the friction together to make the user more laborsaving convenient at the in-process of screwing the bolt or loosening the bolt.

Optionally, a butterfly knob is disposed at the head of the adjusting bolt.

By adopting the scheme, the butterfly knob provides a holding part convenient for holding when the bolt is rotated for a user, and the distance between the force application point of the user and the rotation center of the bolt is increased by the butterfly knob, so that the moment when the bolt rotates is increased, and the user can save more labor when rotating the bolt.

Optionally, one end of the connecting rod, which is close to the sliding rod, is provided with a limiting part.

By adopting the technical scheme, when the user sleeves the locking sleeve on the slide rod, the locking sleeve abuts against the limiting part, and the user can obtain feedback and know that the locking sleeve is installed in place, so that the locking sleeve and the slide rod are more convenient to assemble.

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

1. the polishing head is rotatably connected with the rack, a sliding sleeve and a sliding rod which are matched with each other are arranged between the polishing head and the rack, and the sliding rod is arranged in a bent manner, so that the polishing head can be subjected to angle adjustment according to actual working conditions, and the wall surface polisher has good adaptability;

2. when the cover slides on the slide bar that is crooked setting, the crooked structure of slide bar can make the bending angle between head and the frame increase of polishing to make the user can conveniently exert force when polishing the ceiling more, and then make the wall polisher have better convenience in use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an enlarged view of fig. 1 at a in the present embodiment.

Fig. 3 is an exploded view of the connection structure between the connecting rod and the sanding head in this embodiment.

Fig. 4 is an enlarged view of fig. 2 at B in the present embodiment.

Fig. 5 is a schematic structural view of the adapter sleeve in this embodiment.

Description of reference numerals: 1. a frame; 11. a motor flexible shaft; 2. polishing head; 21. a housing; 23. a support; 24. mounting grooves; 25. connecting sleeves; 3. a connecting rod; 4. a slide bar; 41. a sliding groove; 42. a limiting part; 5. a adapter sleeve; 51. a notch; 52. a through hole; 521. a first flange; 522. a second flange; 5221. a countersunk hole; 53. adjusting the bolt; 542. a butterfly knob; 54. a limiting plate; 55. a connecting portion; 551. a first connection hole; 6. a sliding sleeve; 61. a second connection hole; 62. a connecting arm; 621. a circular hole.

Detailed Description

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

The embodiment of the application discloses wall polisher with adjustable angle. Referring to fig. 1 and 2, the wall surface grinding machine with the adjustable angle comprises a frame 1 and a grinding head 2, wherein the grinding head 2 comprises a shell 21 and a grinding disc rotatably connected to the inner cavity of the shell 21 through a bearing, a motor for outputting power is mounted on the frame 1, and one end, away from the motor, of a motor flexible shaft 11 of the motor for outputting power penetrates through the shell 21 and drives the grinding disc to rotate.

As shown in fig. 3 and 4, a connecting rod 3 is fixedly mounted on the cylindrical surface of the side of the frame 1 close to the polishing head 2 through a bolt, a sliding rod 4 is fixedly mounted at one end of the connecting rod 3 far away from the frame 1, a limiting portion 42 is integrally arranged at one end of the sliding rod 4 close to the connecting rod 3, the limiting portion 42 is of a cavity structure, the limiting portion 42 is sleeved on the connecting rod 3, and the limiting portion 42 of the sliding rod 4 is fixedly connected with the cylindrical surface of the connecting rod 3 through a bolt. The shaft of the sliding rod 4 is bent towards the direction close to the rack 1 in the process of being far away from the connecting rod 3, a sliding groove 41 penetrating through the sliding rod 4 is formed in the cylindrical surface of the sliding rod 4, and one end, far away from the connecting rod, of the sliding groove 41 is of a closed structure.

As shown in fig. 4 and 5, the sliding rod 4 is sleeved with a fastening sleeve 5 for tightly holding the sliding rod 4, a cylindrical surface of the fastening sleeve 5 near one side of the limiting portion 42 is provided with a notch 51 capable of changing the inner diameter of the fastening sleeve 5, two through holes 52 are provided on the cylindrical surface of the fastening sleeve 5 near one side of the notch 51, and the through holes 52 are symmetrically arranged on the cylindrical surface of the fastening sleeve 5 with respect to the notch 51. The edge of the through hole 52 of the adapter sleeve 5 on one side of the notch 51 is integrally provided with a first flange 521, the edge of the other through hole 52 is provided with a second flange 522, the inner contour of the second flange 522 is a regular hexagon, so that a counter bore 5221 for embedding a nut is formed in the flange, and the counter bore 5221 is embedded with a nut. An adjusting bolt 53 sequentially passes through the through hole 52 at the first flange 521, the sliding groove 41 and the counter sink 5221 and is in threaded connection with the nut, and a butterfly knob 542 is welded on the head of the adjusting bolt 53, so that a user can save more labor in the process of rotating the adjusting bolt 53.

An annular limiting plate 54 is integrally arranged on the cylindrical surface of one side, away from the notch 51, of the adapter sleeve 5, a connecting portion 55 is formed between the limiting plate 54 and the end portion, away from one end of the notch 51, of the adapter sleeve 5, a first connecting hole 551 is formed in the cylindrical surface of the connecting portion 55, and two first connecting holes 551 are symmetrically arranged about the notch 51. The connecting portion 55 is sleeved with a sliding sleeve 6, the sliding sleeve 6 and the second connecting hole 551 are correspondingly provided with two second connecting holes 61, and when the end portion of the sliding sleeve 6 close to one end of the fastening sleeve 5 abuts against the limiting plate 54, the axial directions of the first connecting hole 61 and the second connecting hole 551 are located in the same cross section of the sliding rod 4, when the axial directions of the first connecting hole 61 and the second connecting hole 551 coincide, a bolt sequentially passes through the second connecting hole 551, the first connecting hole 61 and the sliding groove 41, and one end of the bolt far away from the head portion is in threaded connection with a nut, so that the sliding sleeve 6 and the fastening sleeve 5 can slide on the sliding rod 4 together.

As shown in fig. 1 and fig. 2, the connecting arms 62 are integrally arranged at one end of the sliding sleeve 6, which is far away from the second connecting hole 551, two connecting arms 62 are arranged in axial symmetry with respect to the sliding sleeve 6, one end of the connecting arm 62, which is far away from the sliding sleeve 6, is provided with a through round hole 621, a damping sleeve is embedded in the round hole 621 of the connecting arm 62, and the outer ring of the damping sleeve is in interference fit with the round hole 621 of the connecting arm 62.

The center department that casing 21 is back to the one side of making the mill has a support 23 through screw fixed mounting, a mounting groove 24 has been seted up to one side that support 23 is back to casing 21's surface and is kept away from the organism, threaded hole has been seted up respectively on two lateral walls that support 23 is located mounting groove 24, and have a adapter sleeve 25 to inlay and establish in mounting groove 24, correspond with the screw hole on the adapter sleeve 25 and seted up the mounting hole, and have a bolt to pass screw hole and mounting hole in proper order and carry out fixed connection with the cylinder of adapter sleeve 25 and the wall of the mounting groove 24 of support 23.

The inner wall surfaces of the two ends of the connecting sleeve 25 in the length extending direction are provided with internal threads, and a bolt of the connecting sleeve penetrates through the damping sleeve positioned in the round hole 621 of the connecting arm 62 and is in threaded connection with the internal threads of the connecting sleeve 25, so that the connecting arm 62 is rotatably connected to the end part of the connecting sleeve 25 in the axial direction. Due to the resistance effect of the damping sleeve, after a user adjusts the angle of the polishing head 2, the polishing head 2 cannot change the angle of the polishing head due to the self gravity.

The user can adjust the angle of the polishing head 2 by rotating the polishing head 2 and combining with the sliding sleeve 6 in the process of using the wall surface polisher, so that the wall surface polisher can adapt to different working conditions. And when the polishing head 2 is angularly adjusted, the sliding rod 4 of the bending structure enables the motor flexible shaft 11 not to generate larger bending deformation, so that the risk that the motor flexible shaft 11 is damaged due to the bending deformation is reduced, and the service life of the wall surface polisher is prolonged. And the sliding rod with the curved structure enables the sliding sleeve 6 to compensate the bending angle of the polishing head 2 in the sliding process, so that a user can more conveniently apply force.

The implementation principle of the angle-adjustable wall surface grinding machine in the embodiment of the application is as follows: the user adjusts the angle of polishing through rotating the head of polishing 2, and will slide cover 6 and slide on slide bar 4 and change the relative position between head of polishing 2 and frame 1, and after slide cover 6 adjusted required position, the user accessible is screwed adjusting bolt 53's mode and is made the cover 5 of holding tightly on slide bar 4, thereby make between slide cover 6 and the slide bar 4 relatively fixed, crooked form slide bar 4 makes its play this angle to head of polishing 2 play the compensatory action, the user can adjust the angle of head of polishing 2 according to actual operating mode, thereby make the wall polisher have better adaptability.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an angularly adjustable wall polisher, includes frame (1) and connects polishing head (2) on frame (1) through motor flexible axle (11), its characterized in that: the grinding head is characterized in that a connecting rod is arranged at one end, close to the grinding head (2), of the rack (1), a sliding rod (4) is arranged at one end, far away from the rack (1), of the connecting rod, the sliding rod (4) is arranged in a bending mode, a sliding sleeve (6) is connected to the sliding rod (4) in a sliding mode, a connecting arm (62) is arranged at one end, far away from the sliding sleeve (6), of the sliding sleeve (6), and one end, far away from the sliding sleeve (6), of the connecting arm (62) is rotatably connected to the grinding head (2).

2. The wall surface grinding machine with the adjustable angle as claimed in claim 1, wherein: one end of the sliding sleeve (6) far away from the connecting arm (62) is fixedly connected with a fastening sleeve (5) used for tightly holding the sliding rod (4).

3. The wall surface grinding machine with the adjustable angle as claimed in claim 2, wherein: the clamping sleeve (5) is far away from and has been seted up a notch (51) on the cylinder of sliding sleeve (6) one side, has seted up two through-holes (52) on the cylinder of clamping sleeve (5), and through-hole (52) about notch (51) symmetrical arrangement, has seted up one on the cylinder of slide bar (4) and has slided groove (41), has an adjusting bolt (53) to pass two through-holes (52) and slide groove (41), and the one end that its head was kept away from in adjusting bolt (53) carries out threaded connection with the nut.

4. The wall surface grinding machine with the adjustable angle as claimed in claim 2, wherein: a limiting plate (54) is arranged on the cylindrical surface of one side, close to the sliding sleeve (6), of the adapter sleeve (5), a connecting part (55) is formed between the limiting plate (54) and the end part, close to one end of the sliding sleeve (6), of the adapter sleeve (5), and the surface, facing the sliding sleeve (6), of the limiting plate (54) is abutted to the sliding sleeve (6).

5. The wall surface grinding machine with the adjustable angle as claimed in claim 4, wherein: the utility model discloses a sliding sleeve, including connecting portion (55), connecting portion (55) and first connecting hole (61), and first connecting hole (55) have been seted up to connecting portion (55) on axial symmetry, second connecting hole (551) have been seted up with first connecting hole (61) correspondence on connecting portion (55), slip cover (6) are close to the cylinder of adapter sleeve (5) one side, when limiting plate (54) are in the face of the surface butt of slip cover (6) on slip cover (6), the axial of first connecting hole (61) second connecting hole (551) is located the same cross section of slide bar (4), and have a bolt to carry out fixed connection with adapter sleeve (5) with sliding sleeve (6) through passing second connecting hole (551) and first connecting hole (61) and slip groove (41) in proper order and carrying out the mode of thread tightening with the nut.

6. The wall surface grinding machine with the adjustable angle as claimed in claim 2, wherein: the second through hole (52) of the adapter sleeve (5) is provided with a hexagonal counter bore (5221) for the nut to be embedded into.

7. The wall surface grinding machine with the adjustable angle as claimed in claim 3, wherein: the head of the adjusting bolt (53) is provided with a butterfly knob (542).

8. The wall surface grinding machine with the adjustable angle as claimed in claim 1, wherein: and a limiting part (42) is arranged at one end of the sliding rod (4) close to the connecting rod (3).