CN211325722U

CN211325722U - Dental handpiece convenient to hold

Info

Publication number: CN211325722U
Application number: CN201921668871.5U
Authority: CN
Inventors: 吴宗周
Original assignee: Shenzhen Kangti Medical Technology Co ltd
Current assignee: Shenzhen Kangti Medical Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-08-25
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a dental handpiece convenient to hold, the test pencil comprises a pencil body, the left end of the body of rod is fixed with the end, the car needle is installed to the lower extreme of end, the right-hand member of the body of rod is fixed with the bayonet joint, be fixed with the fixed block on the body of rod, the right-hand member of fixed block is equipped with the inserted bar that uses the axle center of fixed block to be the even equidistant range of circumference as the centre of a circle, first sleeve pipe has been cup jointed on the body of rod on the right side of fixed block, first sleeve pipe is pegged graft with the inserted bar, first sheathed tube outer wall cover joint has the second sleeve pipe, the right-hand member of second sleeve. A dental handpiece convenient to hold, be equipped with anti-skidding sleeve pipe, through friction lug and the rough surface increase on body surface and the friction between the hand to the hand of being convenient for is held the stability of dental handpiece, is equipped with two sets of anti-skidding sleeve pipes, can carry out the selection of sleeve pipe thickness according to the size of operating personnel's hand, further strengthens holding the stability of dental handpiece.

Description

Dental handpiece convenient to hold

Technical Field

The utility model relates to a dental equipment field, in particular to dental handpiece convenient to hold.

Background

The dental handpiece is the most common appliance in stomatology clinic and can hold a machine needle to complete drilling, grinding, cutting and grinding of teeth, trimming of a prosthesis and the like.

Dental handpieces can be classified into high-speed handpieces and low-speed handpieces according to the rotational speed and structure. Dental high-speed handpieces can be divided into the following different categories: the mobile phone can be divided into a press cover type mobile phone and a wrench type mobile phone according to the connection mode of the mobile phone with the communication pipe and a connection mode without the quick-change connector, and can be divided into an inner exhaust (four holes and six holes) mobile phone and an outer exhaust (two holes) mobile phone according to the exhaust mode of the mobile phone.

In the dental treatment, the dental handpiece is firmly held as a necessary condition for ensuring smooth treatment work, but the holding part of the existing dental handpiece is not provided with an anti-skid device, the thickness of the holding part of the existing dental handpiece cannot be selected, an operator cannot select a holding part with proper thickness according to the size of a hand, and the operator cannot conveniently and stably hold the dental handpiece, so that the dental handpiece convenient to hold is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a dental handpiece convenient to hold, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dental handpiece convenient to hold, includes the body of rod, the left end of the body of rod is fixed with the end, the car needle is installed to the lower extreme of end, the right-hand member of the body of rod is fixed with the bayonet joint, be fixed with the fixed block on the body of rod, the right-hand member of fixed block is equipped with the inserted bar that uses the axle center of fixed block to be the even equidistant range of circumference as the centre of a circle, first sleeve pipe has been cup jointed on the body of rod on the right side of fixed block, first sleeve pipe is pegged graft with the inserted bar, first sheathed tube outer wall cover joint has the second sleeve pipe, the right-hand member of second sleeve pipe is equipped with fixed cover, fixed cover is fixed to connect on the body of rod, the left end.

Preferably, the first sleeve comprises a first pipe body, first friction lugs, insertion holes, first radian blocks and first support rods, the first support rods are uniformly arranged on the outer wall of the first pipe body at equal intervals, the first support rods are uniformly and equidistantly arranged on the circumference of the outer wall of the first pipe body, the first radian blocks are fixed to one ends of the first support rods far away from the first pipe body, the first friction lugs are uniformly arranged at equal intervals on the first radian blocks, the insertion holes are formed in the first support rods, and the insertion holes are inserted into the insertion rods.

Preferably, the second sleeve pipe includes second body, second friction lug, second bracing piece and second radian piece, be equipped with the second friction lug that uses the axle center of second body to be the even equidistant range of circumference as the centre of a circle on the outer wall of second body, be equipped with on the inner chamber wall of second body and use the axle center of second body to be the even equidistant range of circumference as the centre of a circle and be equipped with the second bracing piece, the second body is kept away from to the second bracing piece serves and all is fixed with the second radian piece.

Preferably, fixed cover includes the sleeve, telescopic upper end is equipped with the hole of passing through, be equipped with the internal thread on telescopic inner chamber wall, telescopic bottom is fixed with the elasticity extrusion pad.

Preferably, the radius of the inner ring of the sleeve is larger than that of the inner ring of the first pipe body, and the radius of the outer ring of the sleeve and the radius of the fixed block are equal to the distance from the first radian block to the axis of the first pipe body.

Preferably, the surfaces of the first tube, the first friction lug, the second tube and the second friction lug are rough surfaces.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. be equipped with anti-skidding sleeve pipe, the sleeve pipe is fixed on the handheld position of the body of rod, through the area of contact of friction lug increase and hand, through the friction between the rough surface increase and the hand on friction lug and body surface to be convenient for the hand to the stable of dental handpiece is held.

2. The dental handpiece is provided with two groups of anti-skidding sleeves, a first sleeve and a second sleeve, wherein the first sleeve and the second sleeve are in sliding clamping connection, the diameter of the first sleeve is smaller than that of the second sleeve, the thickness of the sleeves can be selected according to the size of the hand of an operator, and the stable holding of the dental handpiece is further enhanced.

Drawings

FIG. 1 is an overall view of a dental handpiece of the present invention which is easy to hold;

FIG. 2 is a structural diagram of a dental handpiece fixing block convenient for holding;

FIG. 3 is a left side view of the first and second sleeves of a dental handpiece of the present invention being engaged with each other;

FIG. 4 is a first sleeve structure view of a dental handpiece of the present invention for easy handling;

fig. 5 is a cross-sectional view of the symmetrical axis of the fixing sleeve of the dental handpiece convenient for holding.

In the figure: 1. a rod body; 2. a tip; 3. needle turning; 4. a second sleeve; 41. a second tube body; 42. a second friction bump; 43. a second support bar; 44. a second radian block; 5. a fixed block; 6. fixing a sleeve; 61. a sleeve; 62. a through hole; 63. an internal thread; 64. an elastic pressing pad; 7. a first sleeve; 71. a first pipe body; 72. a first friction bump; 73. inserting holes; 74. a first radian block; 75. a first support bar; 8. inserting a rod; 9. a plug-in connector.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a dental handpiece convenient for holding comprises a rod body 1, wherein the left end of the rod body 1 is fixed with an end 2, the lower end of the end 2 is provided with a needle 3, the right end of the rod body 1 is fixed with a plug-in connector 9, the rod body 1 is fixed with a fixed block 5, the right end of the fixed block 5 is provided with plug-in rods 8 which are uniformly arranged at equal intervals on the circumference by taking the axis of the fixed block 5 as the center of circle, the rod body 1 on the right side of the fixed block 5 is sleeved with a first sleeve 7, the first sleeve 7 is plugged with the plug-in rods 8, the outer wall of the first sleeve 7 is sleeved with a second sleeve 4 in a clamping manner, the right end of the second sleeve 4 is provided with a fixed sleeve 6, the fixed sleeve 6 is fixedly sleeved on the rod body 1, and.

The first sleeve 7 comprises a first tube 71, first friction bumps 72, insertion holes 73, first arc blocks 74 and first support rods 75, the outer wall of the first tube 71 is provided with the first support rods 75 which are uniformly and equidistantly arranged on the circumference around the axis of the first tube 71, one end of each first support rod 75 far away from the first tube 71 is fixedly provided with the first arc blocks 74, the first friction bumps 72 which are uniformly and equidistantly arranged are arranged on the first arc blocks 74, the first support rods 75 are respectively provided with the insertion holes 73, the insertion holes 73 are inserted with the insertion rods 8 and can be used as first anti-slip sleeves, the diameter of the hand-held part of the tube body 1 can be increased aiming at the large hand size of an operator, the friction between the hand-held part and the back can be increased through the first friction bumps 72, and therefore the holding of the dental handpiece is facilitated,

the second sleeve 4 comprises a second tube 41, a second friction bump 42, a second support rod 43 and a second radian block 44, the outer wall of the second tube 41 is provided with the second friction bumps 42 which are uniformly arranged at equal intervals on the circumference by taking the axis of the second tube 41 as the center of circle, the inner cavity wall of the second tube 41 is provided with the second support rods 43 which are uniformly arranged at equal intervals on the circumference by taking the axis of the second tube 41 as the center of circle, one end of the second support rod 43 far away from the second tube 41 is fixed with the second radian block 44 which can be used as a second anti-skid sleeve, the second sleeve 4 can be held by a normal or small hand for operation, and the friction between the second friction bumps 42 and the hand is increased, so that an operator can hold the second sleeve conveniently.

Fixed cover 6 includes sleeve 61, and sleeve 61's upper end is equipped with through hole 62, is equipped with internal thread 63 on sleeve 61's the inner chamber wall, and sleeve 61's bottom is fixed with elasticity extrusion pad 64, can fix first sleeve 7 and second sleeve 4 on the handheld position of the body of rod 1, fixes sleeve 61 on the body of rod 1 through the external screw thread on internal thread 63 and the body of rod 1 for elasticity pressure pad 64 and sheathed tube right-hand member extrusion contact, make sleeve 61 firmly fix the sleeve.

The inner ring radius of the sleeve 61 is larger than the inner ring radius of the first pipe body 71, the outer ring radius of the sleeve 61 and the radius of the fixing block 5 are equal to the distance from the first radian block 74 to the axis of the first pipe body 71, and the problem that when the second sleeve 4 is detached and used for the first sleeve 7, the maximum diameter of the sleeve 61 exceeds the diameter of the first pipe body 71, and the inconvenience is caused when the second sleeve is held by hands is avoided.

The surfaces of the first tube 71, the first friction lug 72, the second tube 41 and the second friction lug 42 are rough surfaces, which is convenient for increasing friction with hands, thereby facilitating stable holding of the hands.

It should be noted that, the utility model relates to a dental handpiece convenient to hold, be equipped with first sleeve pipe 7 and second sleeve pipe 4, but first sleeve pipe 7 or second sleeve pipe 4 are selected to the size of adversary and hold, first sleeve pipe 7 is the same with the anti-skidding structure of second sleeve pipe 4, all through the area of contact of friction lug increase with the hand, through friction lug and the friction between the rough surface increase on body surface and the hand, thereby be convenient for the hand to hold the stability of dental handpiece, when selecting second sleeve pipe 4, the hand directly with power hold second sleeve pipe 4 outer wall can, when selecting first sleeve pipe 7, fix cover 6 soon, will take out with the second sleeve pipe 4 of first sleeve pipe 7 joint, fixed cover 6 fixes first sleeve pipe 7 on revolving, it can with holding first sleeve pipe 7 with the hand.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dental handpiece convenient to hold, includes body of rod (1), its characterized in that: an end head (2) is fixed at the left end of the rod body (1), a needle (3) is arranged at the lower end of the end head (2), a plug-in connector (9) is fixed at the right end of the rod body (1), a fixed block (5) is fixed on the rod body (1), the right end of the fixed block (5) is provided with inserted rods (8) which are uniformly arranged at equal intervals on the circumference by taking the axis of the fixed block (5) as the center of a circle, a first sleeve (7) is sleeved on the rod body (1) at the right side of the fixed block (5), the first sleeve (7) is inserted with the inserted link (8), the outer wall of the first sleeve (7) is clamped with the second sleeve (4), the right end of the second sleeve (4) is provided with a fixed sleeve (6), the fixed sleeve (6) is fixedly sleeved on the rod body (1), the left end of the fixed sleeve (6) is abutted against the right ends of the first sleeve (7) and the second sleeve (4).

2. A dental handpiece which is easy to hold as claimed in claim 1, characterized in that: the first sleeve (7) comprises a first pipe body (71), first friction lugs (72), insertion holes (73), first radian blocks (74) and first supporting rods (75), wherein the outer wall of the first pipe body (71) is provided with the first supporting rods (75) which are uniformly and equidistantly arranged on the circumference by taking the axis of the first pipe body (71) as the circle center, one end, far away from the first pipe body (71), of each first supporting rod (75) is fixedly provided with the first radian blocks (74), the first friction lugs (72) which are uniformly and equidistantly arranged are arranged on the first radian blocks (74), the first supporting rods (75) are respectively provided with the insertion holes (73), and the insertion holes (73) are inserted into the insertion rods (8).

3. A dental handpiece which is easy to hold as claimed in claim 1, characterized in that: second sleeve pipe (4) include second body (41), second friction lug (42), second bracing piece (43) and second radian piece (44), be equipped with second friction lug (42) that the axle center that uses second body (41) is the even equidistant range of circumference as the centre of a circle on the outer wall of second body (41), be equipped with on the inner chamber wall of second body (41) and use the axle center of second body (41) to be the even equidistant range of circumference as the centre of a circle and be equipped with second bracing piece (43), second body (41) is kept away from in second bracing piece (43) one serves and all is fixed with second radian piece (44).

4. A dental handpiece which is easy to hold as claimed in claim 1, characterized in that: fixed cover (6) include sleeve (61), the upper end of sleeve (61) is equipped with through hole (62), be equipped with internal thread (63) on the inner chamber wall of sleeve (61), the bottom of sleeve (61) is fixed with elasticity extrusion pad (64).

5. A dental handpiece which is easy to hold as claimed in claim 4, characterized in that: the inner ring radius of the sleeve (61) is larger than that of the first pipe body (71), and the outer ring radius of the sleeve (61) and the radius of the fixing block (5) are equal to the distance from the first radian block (74) to the axis of the first pipe body (71).

6. A dental handpiece which is easy to hold as claimed in claim 2, characterized in that: the surfaces of the first pipe body (71), the first friction lug (72), the second pipe body (41) and the second friction lug (42) are rough surfaces.