Clamping type short-handle flat-end grinding and polishing brush

Abstract

The utility model belongs to the field of polishing brushes, and particularly relates to a clamping type short-handle flat-head grinding and polishing brush which comprises a mounting head, bristles are arranged at the lower end of the mounting head, a connecting rod is fixedly connected to the upper end of the mounting head, a screw cylinder is connected to the interior of the connecting rod through threads, and a connector is fixedly connected to the upper end of the screw cylinder. An opening is formed in the edge of the connector, and a connecting mechanism is arranged on the connector. The connecting head is connected with the machine head in an inserted mode, the connecting rod and the screw cylinder are rotated to do threaded motion, then the pressing head extrudes the inclined block, the inclined block drives the sliding block to slide in the connecting head, the plug pin extends out of the connecting head, and the connecting stability between the device and the machine head is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing brushes, in particular to a clip-on short-handled flat-head grinding and polishing brush. Background Art

[0002] Abrasive polishing brushes are tools used by dentists and dental hygienists to clean and polish the surface of teeth. They can remove plaque, pigments and tartar from the surface of teeth, making teeth shiny and smooth again. Dental card-type short-handled flat-headed abrasive polishing brushes are usually connected to dental equipment, such as dental handles or ultrasonic tooth cleaners, through bayonet or thread. When in use, the dentist or dental hygienist will select the appropriate brush head and polishing agent according to the needs of the patient. When using this tool in dentistry, professional operation and skills are very important to ensure the correct grinding and polishing of teeth while avoiding damage to the teeth. When in use, it is installed with the head of a special dental wireless handpiece, but in the prior art, only one end of the polishing brush is plugged into the head for installation, and the installation stability of the device is poor. Utility Model Content

[0003] The utility model aims to provide a card-type short-handled flat-head grinding and polishing brush, which solves the problem that only one end of the polishing brush is inserted into the machine head for installation, resulting in poor installation stability of the device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a card-type short-handled flat-head grinding and polishing brush, comprising a mounting head, the upper end of the mounting head is fixedly connected to a connecting rod, the interior of the connecting rod is threadedly connected to a screw barrel, the upper end of the screw barrel is fixedly connected to a connecting head, an opening is provided at the edge of the connecting head, a connecting mechanism is arranged on the connecting head, the connecting mechanism comprises a slider, a guide block, a slide groove, an inclined block, a pressure head, a support rod, a pin, a socket, and a spring, the interior of the connecting head is slidably connected to a slider, and a guide block is welded to the upper end of the slider.

[0005] Preferably, the lower end of the mounting head is provided with bristles, which are made of nylon, are soft and durable, and will not cause damage to teeth and gums.

[0006] Preferably, an inclined block is welded to the lower end of the slider, a pressure head is slidably connected to the lower end of the inclined block, a latch is welded to the slider, and a spring is arranged on the outer side of the latch. By plugging the connector and the machine head, and rotating the connecting rod and the screw barrel to make a threaded motion, the pressure head squeezes the inclined block, and the inclined block drives the slider to slide in the connector, and the latch extends from the connector, so that the connection stability between the device and the machine head is higher.

[0007] Preferably, a slide groove is provided inside the connector, and the slide groove is slidably connected to the guide block. The slide groove is provided to guide the movement of the guide block.

[0008] Preferably, a support rod is welded inside the connecting rod, and the support rod and the pressure head are installed through a bearing. The pressure head is supported by arranging the support rod.

[0009] Preferably, a socket is provided inside the connector, and the socket is slidably connected to the plug pin. By providing the socket, the plug pin can be extended from the connector.

[0010] Preferably, one end of the spring is welded to the connector, and the other end of the spring is welded to the slider. The slider is reset by arranging the spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model connects the connecting head and the machine head by plugging them together, and rotates the connecting rod and the screw barrel to make a threaded motion, so that the pressure head squeezes the inclined block, and the inclined block drives the slider to slide in the connecting head, and the pin extends from the connecting head, so that the connection stability between the device and the machine head is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A front view of

[0015] Figure 3 For this utility model Figure 2 A partial cross-sectional view of a connecting rod;

[0016] Figure 4 For this utility model Figure 3 Enlarged view of point A.

[0017] In the figure: 1. mounting head; 2. bristles; 3. connecting rod; 4. screw barrel; 5. connecting head; 6. opening; 7. connecting mechanism; 71. slider; 72. guide block; 73. slide groove; 74. inclined block; 75. pressure head; 76. support rod; 77. latch; 78. socket; 79. spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3A cassette-type short-handled flat-head grinding and polishing brush comprises a mounting head 1, the lower end of which is provided with bristles 2, which are made of nylon, are soft and durable, and will not cause damage to teeth and gums, a connecting rod 3 is fixedly connected to the upper end of the mounting head 1, a screw barrel 4 is threadedly connected to the interior of the connecting rod 3, a connecting head 5 is fixedly connected to the upper end of the screw barrel 4, an opening 6 is provided at the edge of the connecting head 5, and a connecting mechanism 7 is provided on the connecting head 5.

[0020] See also Figure 3 , Figure 4 The connecting mechanism 7 includes a slider 71, a guide block 72, a slide groove 73, an inclined block 74, a pressure head 75, a support rod 76, a latch 77, a socket 78, and a spring 79. The slider 71 is slidably connected to the interior of the connecting head 5. The guide block 72 is welded to the upper end of the slider 71. A slide groove 73 is provided inside the connecting head 5. The slide groove 73 and the guide block 72 are slidably connected. The movement of the guide block 72 is guided by setting the slide groove 73. The lower end of the slider 71 is welded with an inclined block 74. The lower end of the inclined block 74 is slidably connected with the pressure head 75. A support rod 76 is welded inside the connecting rod 3. The support rod 76 and the pressure head 75 are installed through bearings. The pressure head 75 is supported by setting the support rod 76. The slider 71 is welded with a plug Pin 77, a socket 78 is provided inside the connector 5, and the socket 78 and the plug 77 are slidably connected. By setting the socket 78, the plug 77 can be extended from the connector 5, and a spring 79 is provided on the outside of the plug 77. One end of the spring 79 is welded to the connector 5, and the other end of the spring 79 is welded to the slider 71. By setting the spring 79, the slider 71 is reset, and by plugging the connector 5 and the machine head, and by rotating the connecting rod 3 and the screw barrel 4 to make a threaded motion, the pressure head 75 squeezes the inclined block 74, and the inclined block 74 drives the slider 71 to slide in the connector 5, so that the pin 77 is extended from the connector 5, so that the connection stability between the device and the machine head is higher.

[0021] The specific implementation process of the utility model is as follows: when in use, the connecting head 5 and the machine head are plugged in, and then the connecting rod 3 is rotated, the connecting rod 3 rotates and makes a threaded motion with the screw barrel 4, so that the screw barrel 4 moves into the connecting rod 3, and then the support rod 76 moves into the screw barrel 4, the support rod 76 drives the pressure head 75 to move, and then the pressure head 75 squeezes the inclined block 74, and then the inclined block 74 drives the slider 71 to slide in the connecting head 5, the slider 71 drives the pin 77 to move, and then the pin 77 extends from the connecting head 5, so that the connection stability between the device and the machine head is higher.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A short-handled flat-head grinding and polishing brush, comprising a mounting head (1), characterized in that: The upper end of the mounting head (1) is fixedly connected to a connecting rod (3), the interior of the connecting rod (3) is connected to a screw barrel (4) via a thread, the upper end of the screw barrel (4) is fixedly connected to a connecting head (5), the edge of the connecting head (5) is provided with an opening (6), a connecting mechanism (7) is provided on the connecting head (5), the connecting mechanism (7) comprises a slider (71), a guide block (72), a slide groove (73), an inclined block (74), a pressure head (75), a support rod (76), a latch (77), a socket (78), and a spring (79), the interior of the connecting head (5) is slidably connected to a slider (71), and the upper end of the slider (71) is welded with a guide block (72).

2. A cassette-type short-handled flat-head grinding and polishing brush according to claim 1, characterized in that: The lower end of the mounting head (1) is provided with brush bristles (2).

3. The cassette-type short-handled flat-head grinding and polishing brush according to claim 1, characterized in that: The lower end of the slider (71) is welded with an inclined block (74), the lower end of the inclined block (74) is slidably connected with a pressure head (75), the slider (71) is welded with a latch (77), and a spring (79) is arranged on the outer side of the latch (77).

4. A cassette-type short-handled flat-head grinding and polishing brush according to claim 3, characterized in that: A sliding groove (73) is provided inside the connector (5), and the sliding groove (73) is slidably connected to the guide block (72).

5. The cassette-type short-handled flat-head grinding and polishing brush according to claim 1, characterized in that: A support rod (76) is welded inside the connecting rod (3), and the support rod (76) and the pressure head (75) are installed through bearings.

6. The cassette-type short-handled flat-head grinding and polishing brush according to claim 1, characterized in that: The connector (5) is provided with a plug hole (78) inside, and the plug hole (78) is slidably connected to the plug pin (77).

7. The cassette-type short-handled flat-head grinding and polishing brush according to claim 1, characterized in that: One end of the spring (79) is welded to the connector (5), and the other end of the spring (79) is welded to the slider (71).

Images