CN217548246U

CN217548246U - Dental grinding head

Info

Publication number: CN217548246U
Application number: CN202221362697.3U
Authority: CN
Inventors: 张汝开; 简铭钊
Original assignee: Foshan Nanhai Haiju Medical Equipment Co ltd
Current assignee: Foshan Nanhai Haiju Medical Equipment Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-11
Anticipated expiration: 2032-06-01

Abstract

The utility model belongs to the field of dental grinding heads, in particular to a dental grinding head, which comprises a grinding head main body and a connecting shaft; a connecting shaft is arranged at the bottom end of the grinding head main body, and a connecting mechanism is arranged between the grinding head main body and the connecting shaft; the connecting mechanism comprises a connecting block, a connecting groove, a positioning block, a positioning groove, a clamping block, a clamping groove and a bolt, the connecting block is fixedly connected to the bottom end of the grinding head main body, the connecting groove is formed in the top end of the connecting shaft, the positioning block is fixedly connected to two sides of the inner wall of the connecting groove, the positioning block is inserted into the positioning groove, the positioning groove is formed in two sides of the bottom end of the connecting block, the clamping block is glued to the inner wall of the positioning groove, the clamping groove is formed in one side of the positioning block, the bolt is arranged at the top ends of two sides of the connecting shaft, and the bolt penetrates through the connecting shaft and is in threaded connection with the connecting block; the function of conveniently connecting or disassembling the grinding head main body and the connecting shaft is realized through the structural design of the connecting mechanism.

Description

Dental grinding head

Technical Field

The utility model relates to a dentistry bistrique field specifically is a dentistry bistrique.

Background

The grinding head is a general name of a small-sized grinding tool with a handle, is mainly used for grinding objects, and in the dental field, a special dental grinding head is usually used for grinding teeth due to the fact that the hardness of the teeth is high.

The dental grinding head is generally made of tungsten steel or other high-hardness metal materials, and the grinding effect is not good or the grinding head loss is aggravated when the grinding head made of the high-hardness material is not used for grinding the teeth due to the high hardness of the teeth.

The existing dental grinding head and the connecting rod are mostly of an integrated structure, only the grinding head is generally damaged after long-time use, and the connecting rod can be continuously used, but the integrated structure between the grinding head and the connecting rod also needs to replace the connecting rod when the grinding head is replaced, so that great waste is caused; therefore, a dental burr is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the structure of all formula as an organic whole between current dentistry bistrique and the connecting rod, generally only the bistrique can produce the damage and the connecting rod can continue to use after using for a long time, nevertheless still need change the connecting rod together because of the structure of formula as an organic whole between bistrique and the connecting rod when changing the bistrique, has caused great extravagant problem, the utility model provides a dentistry bistrique.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a dental grinding head, which comprises a grinding head main body and a connecting shaft; a connecting shaft is arranged at the bottom end of the grinding head main body, and a connecting mechanism is arranged between the grinding head main body and the connecting shaft;

coupling mechanism includes connecting block, spread groove, locating piece, constant head tank, fixture block, draw-in groove and bolt, connecting block fixed connection is in the bottom of bistrique main part, the top at the connecting axle is seted up to the spread groove, locating piece fixed connection is in the both sides of spread groove inner wall, and the locating piece inserts the inside of establishing at the constant head tank, the both sides at the connecting block bottom are seted up to the constant head tank, the fixture block is glued on the inner wall of constant head tank, the draw-in groove is seted up in one side of locating piece, the bolt sets up on the top of connecting axle both sides, and the bolt run through the connecting axle and with connecting block threaded connection.

Preferably, the clamping block is clamped with the clamping groove, and the clamping block is made of rubber.

Preferably, the outer side of one side, away from the connecting shaft, of the bolt is sleeved with an anti-skidding sleeve, the anti-skidding sleeve is made of rubber, and anti-skidding threads are formed in the outer side of the anti-skidding sleeve.

Preferably, a cushion block is glued on one side, close to the connecting shaft, of the bolt, and the cushion block is made of rubber.

Preferably, the outside of bistrique main part is provided with protection machanism, protection machanism includes slot, inserted block, joint groove, joint piece, protection casing, top cap, protection pad and knob, the bottom at the bistrique main part is seted up to the slot, the inside at the slot is established to the top cover of inserted block, the outside at the inserted block is seted up in the joint groove, the joint piece is glued on the inner wall of slot, the bottom and the joint piece fixed connection of protection casing, the inner wall threaded connection on top cap and protection casing top, the protection pad is glued in the bottom of top cap, and the protection pad is the sponge material, knob fixed connection is on the top of top cap.

Preferably, the clamping block is made of rubber, and the clamping block is clamped with the clamping groove.

The utility model discloses an useful part lies in:

1. the utility model realizes the function of conveniently connecting or disassembling the grinding head main body and the connecting shaft through the structural design of the connecting mechanism, solves the problems that the existing dental grinding head and the connecting rod are mostly of an integral structure, only the grinding head is generally damaged after long-time use and the connecting rod can be continuously used, but the connecting rod is required to be replaced when the grinding head is replaced due to the integral structure between the grinding head and the connecting rod, which causes great waste;

2. the utility model discloses a protection machanism's structural design has realized carrying out the function protected to the bistrique main part, has solved the bistrique main part and can produce wearing and tearing or damage because of colliding mutually in the in-process of transportation, and then leads to the problem of the unable normal use of bistrique main part.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic perspective cross-sectional view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged structural view of the first embodiment at A in FIG. 2;

FIG. 4 is an enlarged structural diagram of a portion B in FIG. 2 according to the first embodiment;

fig. 5 is a schematic structural diagram of a cross-sectional perspective of the second embodiment.

In the figure: 1. a grinding head main body; 2. a connecting shaft; 31. connecting blocks; 32. connecting grooves; 33. positioning a block; 34. positioning a groove; 35. a clamping block; 36. a card slot; 37. a bolt; 38. an anti-slip sleeve; 39. cushion blocks; 41. inserting slots; 42. inserting a block; 43. a clamping groove; 44. a clamping block; 45. a protective cover; 46. a top cover; 47. a protective pad; 48. a knob; 49. a friction sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a dental grinding head includes a grinding head body 1 and a connecting shaft 2; the bottom end of the grinding head main body 1 is provided with a connecting shaft 2, and a connecting mechanism is arranged between the grinding head main body 1 and the connecting shaft 2;

the connecting mechanism comprises a connecting block 31, a connecting groove 32, a positioning block 33, positioning grooves 34, clamping blocks 35, clamping grooves 36 and bolts 37, the connecting block 31 is fixedly connected to the bottom end of the grinding head main body 1, the connecting groove 32 is formed in the top end of the connecting shaft 2, the positioning blocks 33 are fixedly connected to two sides of the inner wall of the connecting groove 32, the positioning blocks 33 are inserted into the positioning grooves 34, the positioning grooves 34 are formed in two sides of the bottom end of the connecting block 31, the clamping blocks 35 are adhered to the inner wall of the positioning grooves 34, the clamping grooves 36 are formed in one side of the positioning blocks 33, the bolts 37 are arranged at the top ends of two sides of the connecting shaft 2, and the bolts 37 penetrate through the connecting shaft 2 and are in threaded connection with the connecting block 31;

when the dental grinding head is used for a long time, only the grinding head is generally damaged, and the connecting rod can be continuously used, but the grinding head is required to be replaced together due to the integral structure between the grinding head and the connecting rod, so that great waste is caused, when the grinding head main body 1 and the connecting shaft 2 are to be connected, firstly, the connecting block 31 is inserted into the connecting groove 32, the positioning block 33 is synchronously inserted into the positioning groove 34 when the connecting block 31 is inserted into the connecting groove 32, when the positioning block 33 is inserted into the positioning groove 34, one side of the positioning block 33 extrudes the fixture block 35 made of rubber material, so that the fixture block 35 generates elastic deformation, when the connecting block 31 is completely inserted into the connecting groove 32, the positioning block 33 is also completely inserted into the positioning groove 34, at the moment, the extrusion force of the positioning block 33 to the fixture block 35 disappears, the fixture block 35 returns to the original shape under the action of self restoring force and is clamped with the clamping groove 36, the effect of auxiliary fixing of the connection between the grinding head main body 14 and the connecting shaft 2 can be realized, at the moment, the anti-skid sleeve 38 is rotated to drive the bolt 37 to move to drive the connection between the grinding head main body and the connecting shaft 1 to be connected with the connecting shaft 2, and the connecting shaft 31 can be disconnected.

Further, the fixture block 35 is fastened with the fixture groove 36, and the fixture block 35 is made of rubber;

when the clamping device works, the clamping block 35 can be elastically deformed when being extruded by adopting a rubber material, and the clamping device can automatically restore and be clamped with the clamping groove 36 after the extrusion force disappears.

Further, an anti-slip sleeve 38 is sleeved on the outer side of one side of the bolt 37, which is far away from the connecting shaft 2, the anti-slip sleeve 38 is made of rubber, and anti-slip threads are formed on the outer side of the anti-slip sleeve 38;

in operation, the anti-slip sleeve 38 made of rubber plays a role in increasing friction force, so as to prevent the bolt 37 from slipping due to too small friction force when rotating.

Further, a cushion block 39 is glued on one side of the bolt 37 close to the connecting shaft 2, and the cushion block 39 is made of rubber;

during operation, the cushion block 39 made of rubber plays a role in increasing friction force, so that the bolt 37 is connected with the connecting shaft 2 more tightly.

Further, a protection mechanism is arranged on the outer side of the grinding head main body 1, the protection mechanism comprises a slot 41, an insertion block 42, a clamping groove 43, a clamping block 44, a protection cover 45, a top cover 46, a protection pad 47 and a knob 48, the slot 41 is arranged at the bottom end of the grinding head main body 1, the top end of the insertion block 42 is sleeved inside the slot 41, the clamping groove 43 is arranged on the outer side of the insertion block 42, the clamping block 44 is adhered to the inner wall of the slot 41, the bottom end of the protection cover 45 is fixedly connected with the clamping block 44, the top cover 46 is in threaded connection with the inner wall of the top end of the protection cover 45, the protection pad 47 is adhered to the bottom end of the top cover 46, the protection pad 47 is made of sponge, and the knob 48 is fixedly connected to the top end of the top cover 46;

when the grinding head main body 1 is in use, the grinding head main body 1 may be abraded or damaged due to mutual collision in the transportation process, and then the grinding head main body 1 cannot be normally used, the grinding head main body 1 is protected through the combined effect of the protective cover 45 and the top cover 46, the insert block 42, the protective cover 45 and the top cover 46 are made of plastic materials, the grinding head main body 1 is prevented from being damaged due to collision with other objects in the transportation process, the top end of the grinding head main body 1 is prevented from being damaged due to collision with the bottom end of the top cover 46 through the effect of the protective pad 47 made of sponge materials, when the grinding head main body 1 is to be used, the rotary knob 48 is rotated to drive the top cover 46 to rotate, the threaded connection between the top cover 46 and the protective cover 45 is released, then the protective cover 45 is pulled downwards, the protective cover 45 is moved downwards under the action of tensile force and drives the insert block 42 to move synchronously, the inner wall of the clamp groove 43 extrudes the clamp block 44, the clamp block 44 is elastically deformed to release the clamp between the clamp groove 43, the clamp block 42 is released, the limit effect of the insert block 42 is continuously pulled downwards, and the protective cover 45 can be used for the grinding head main body 1.

Further, the clamping block 44 is made of rubber, and the clamping block 44 is clamped with the clamping groove 43;

during operation, the clamping block 44 can generate elastic deformation when being extruded by adopting rubber materials, and the clamping block can automatically reset after the extrusion force disappears.

Example two

Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, a friction sleeve 49 is further glued to an outer side of the knob 48, and the friction sleeve 49 is made of rubber; in operation, the friction sleeve 49 made of rubber material increases the friction force to prevent the knob 48 from slipping due to too small friction force.

The working principle is as follows: most of the existing dental grinding heads and connecting rods are of an integrated structure, after long-term use, only the grinding heads are generally damaged, and the connecting rods can be continuously used, but the grinding heads are also required to be replaced together due to the integrated structure between the grinding heads and the connecting rods, so that great waste is caused, when the grinding heads are to be connected between the grinding head main body 1 and the connecting shaft 2, firstly, the connecting blocks 31 are inserted into the connecting grooves 32, the positioning blocks 33 are synchronously inserted into the positioning grooves 34 when the connecting blocks 31 are inserted into the connecting grooves 32, when the positioning blocks 33 are inserted into the positioning grooves 34, the clamping blocks 35 made of rubber are extruded by one sides of the positioning blocks 33, so that the clamping blocks 35 are elastically deformed, when the connecting blocks 31 are completely inserted into the connecting grooves 32, the positioning blocks 33 completely insert into the positioning grooves 34, the extrusion force of the clamping blocks 35 disappears, the clamping blocks 35 return to original shapes and are clamped with the clamping grooves 36 under the self restoring force, so as to achieve the effect of assisting in fixing the connecting shafts 14 and 2 by rotating the anti-skid sleeves 38 to drive the bolts 37 to move, so as to achieve the effect of fixing the connecting blocks 31 between the connecting shafts and the connecting heads 1 and the connecting shaft 2.

The grinding head main body 1 is protected by the combined action of the protective cover 45 and the top cover 46, the insert block 42, the protective cover 45 and the top cover 46 are made of plastic materials, the grinding head main body 1 is prevented from being damaged due to collision with other objects in the transportation process, the top end of the grinding head main body 1 is prevented from being damaged due to collision with the bottom end of the top cover 46 by the action of the protective cushion 47 made of sponge materials, when the grinding head main body 1 is used, the knob 48 is rotated to drive the top cover 46 to rotate, the threaded connection between the top cover 46 and the protective cover 45 is released, the protective cover 45 is pulled downwards, the protective cover 45 moves downwards under the action of pulling force and drives the insert block 42 to move synchronously, the inner wall of the clamping groove 43 extrudes the clamping block 44, the clamping block 44 generates elastic deformation to release clamping with the clamping groove 43, the clamping block 44 releases the limiting effect of the insert block 42, the protective cover 45 is pulled downwards continuously, and the insert block 45 can be pulled downwards to enable the insert block 41 to be used for the grinding head main body 1.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A dental bur, characterized in that: comprises a grinding head main body (1) and a connecting shaft (2); a connecting shaft (2) is arranged at the bottom end of the grinding head main body (1), and a connecting mechanism is arranged between the grinding head main body (1) and the connecting shaft (2);

coupling mechanism includes connecting block (31), connecting groove (32), locating piece (33), constant head tank (34), fixture block (35), draw-in groove (36) and bolt (37), connecting block (31) fixed connection is in the bottom of bistrique main part (1), the top in connecting axle (2) is seted up in connecting groove (32), locating piece (33) fixed connection is in the both sides of connecting groove (32) inner wall, and locating piece (33) insert the inside of establishing in constant head tank (34), the both sides in connecting block (31) bottom are seted up in constant head tank (34), fixture block (35) glue is on the inner wall of constant head tank (34), one side in locating piece (33) is seted up in draw-in groove (36), bolt (37) set up on the top of connecting axle (2) both sides, and bolt (37) run through connecting axle (2) and with connecting block (31) threaded connection.

2. A dental burr according to claim 1, wherein: the clamping block (35) is clamped with the clamping groove (36), and the clamping block (35) is made of rubber.

3. A dental burr of claim 2, wherein: the outer side of one side, away from the connecting shaft (2), of the bolt (37) is sleeved with an anti-skidding sleeve (38), the anti-skidding sleeve (38) is made of rubber, and anti-skidding threads are formed in the outer side of the anti-skidding sleeve (38).

4. A dental burr of claim 3, wherein: and a cushion block (39) is glued on one side of the bolt (37) close to the connecting shaft (2), and the cushion block (39) is made of rubber.

5. A dental burr according to claim 4, wherein: the outside of bistrique main part (1) is provided with protection machanism, protection machanism includes slot (41), inserted block (42), joint groove (43), joint piece (44), protection casing (45), top cap (46), protection pad (47) and knob (48), the bottom in bistrique main part (1) is seted up in slot (41), the inside at slot (41) is established to the top cover of inserted block (42), the outside at inserted block (42) is seted up in joint groove (43), joint piece (44) is glued on the inner wall of slot (41), the bottom and the joint piece (44) fixed connection of protection casing (45), the inner wall threaded connection on top cap (46) and protection casing (45) top, protection pad (47) is glued in the bottom of top cap (46), and protection pad (47) are the sponge material, knob (48) fixed connection is on the top of top cap (46).

6. A dental burr according to claim 5, wherein: the clamping block (44) is made of rubber materials, and the clamping block (44) is clamped with the clamping groove (43).