Digital display micrometer for measuring opening degree

Abstract

The utility model relates to the technical field of medical instruments, in particular to a digital display micrometer for measuring the mouth opening degree, which comprises a micrometer body, a fixed measuring anvil fixedly arranged on the micrometer body, a micrometric screw inserted into the micrometer body in a threaded manner, and a display screen arranged on the micrometer body. The measuring assembly is arranged on the fixed measuring anvil and the micrometric screw and used for measuring the active opening degree and the passive opening degree of a patient, the measuring assembly comprises a piston rod, the piston rod is installed on the micrometer body, and a fixing piece is arranged at the piston end of the piston rod; according to the utility model, through the cooperation of the positioning piece and the positioning grooves, the upper tooth and the lower tooth of a patient can be respectively engaged in the two positioning grooves, the micrometric screw rod can move by operating the micrometer body, and at the moment, the micrometric screw rod can push the fixed sheet and the fixed shaft to move, so that the piston end of the piston rod is shortened and the reset spring is compressed; the oral cavity of the patient can be actively opened in the process, and the mouth opening degree of the patient can be conveniently measured.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a digital micrometer used for measuring mouth opening. Background Art

[0002] Patients with temporomandibular joint disease, oral submucous fibrosis, limited mouth opening after oral and maxillofacial surgery, trismus, etc. need to have their mouth opening measured in order to observe their recovery. Traditional methods mostly use a ruler to measure directly with the naked eye.

[0003] After checking the publication (announcement) number: CN2589930Y discloses a measuring ruler. This technology discloses that "the measuring ruler is mainly a flat plate structure of any hard material with a rough shape of a quarter circle, with a triangular protrusion at the center of the circle, and a groove at the arc on the other side of the triangular protrusion";

[0004] However, the above-mentioned existing measuring ruler still has some disadvantages when used: the measuring ruler directly measures the patient's mouth opening and then observes the value with the naked eye, but errors such as angles are inevitably present in the measurement process, making the measurement value inaccurate, and it is more difficult to measure for uncooperative patients.

[0005] In order to solve the above problems, the present application proposes a digital micrometer for measuring mouth opening. Utility Model Content

[0006] To solve the problems raised in the above background technology, the utility model provides a digital micrometer for measuring mouth opening, which can accurately measure the active and passive mouth opening of patients, effectively protect the teeth of patients and facilitate the disassembly and replacement of the measuring structure.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a digital micrometer for measuring mouth opening, comprising a micrometer body, a fixed anvil is fixedly arranged on the micrometer body, a micrometer screw is threadedly inserted on the micrometer body, a display screen is arranged on the micrometer body, and also comprises a measuring assembly arranged on the fixed anvil and the micrometer screw, and is used to measure the active mouth opening and passive mouth opening of a patient;

[0008] The measuring assembly includes a piston rod, which is mounted on a micrometer body, and a fixing plate is provided at the piston end of the piston rod, a fixing shaft is fixedly inserted in the fixing plate, the fixing shaft is against the micrometer screw, a return spring is provided on one side of the fixing plate, the other end of the return spring is fixedly connected to the micrometer body, the return spring is movably sleeved on the piston rod, the top of the fixing shaft and the fixed anvil are both provided with an L-shaped rod, the other end of the L-shaped rod is provided with a positioning piece, and positioning grooves are provided on the opposite sides of the two positioning pieces.

[0009] As a preferred embodiment of the digital micrometer for measuring the opening degree of the utility model, the number of the piston rods is two, and the two piston rods are symmetrically installed on one side of the fixed plate. The arrangement of the two piston rods can improve the stability of the fixed plate during movement and avoid the problem of tilting of the fixed plate.

[0010] As a preferred digital micrometer for measuring mouth opening of the utility model, a sliding piece is slidably arranged in the positioning groove, a buffer spring is fixedly installed on one side of the sliding piece, and the other end of the buffer spring is fixedly connected to the inner side wall of the positioning groove, a contact block is arranged on one side of the sliding piece, and an electromagnetic button is fixedly installed on the inner side wall of the positioning groove, the contact block and the electromagnetic button cooperate and abut against each other, a lamp body is arranged on the micrometer body, and the lamp body is electrically connected to the electromagnetic button, in the process that the two positioning pieces move away from each other, the patient's teeth will push the sliding piece to compress the buffer spring, and make the contact block abut against the electromagnetic button, which can play a buffering role for the patient's teeth and achieve the effect of protecting the patient's teeth. In addition, when the contact block abuts against the electromagnetic button, the lamp body can be lit, and at this time, the distance between the two sliding pieces is exactly the distance between the fixed anvil and the micrometer screw, thereby ensuring the measurement accuracy.

[0011] As a preferred embodiment of the digital micrometer for measuring mouth opening of the utility model, a protective pad is fixedly installed on the side of the sliding piece away from the buffer spring, and the material of the protective pad is soft rubber. Since the soft rubber is soft in texture, it can help protect the patient's teeth.

[0012] As a preferred digital micrometer for measuring mouth opening of the utility model, it also includes a disassembly component arranged on the fixed shaft, which is used for disassembling the L-shaped rod. The disassembly component includes a threaded hole, and the threaded hole is opened at the top of the fixed shaft. The L-shaped rod is provided with an external thread. The L-shaped rod is inserted into the threaded hole through the external thread. The positioning piece can be rotated to be screwed out of the threaded hole, so that the positioning piece can be disassembled and replaced conveniently, thereby ensuring hygiene.

[0013] As a preferred embodiment of the digital micrometer for measuring mouth opening of the utility model, the micrometer body is provided with anti-skid patterns, which can increase the friction between the hand of the person and the micrometer body, thereby helping to solve the slipping problem.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. On this basis, a measuring component is added. Through the cooperation of the positioning piece and the positioning groove, the patient's upper and lower teeth can be bitten in the two positioning grooves respectively. By operating the micrometer body, the micrometer screw can move. At this time, the micrometer screw will push the fixed plate and the fixed shaft to move, so that the piston end of the piston rod shortens and compresses the reset spring. This process can actively open the patient's mouth, so that the patient's mouth opening degree can be conveniently measured;

[0016] 2. At the same time, a disassembly component is added on this basis. After the measurement is completed, the positioning part can be rotated to be unscrewed from the threaded hole, which is convenient for disassembly and replacement of the positioning part to ensure hygiene. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the exterior of the L-shaped rod of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the exterior of the positioning member of the utility model;

[0021] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle.

[0022] In the figure:

[0023] 1. Micrometer body; 2. Fixed anvil; 3. Micrometer screw; 4. Piston rod; 5. Fixed plate; 6. Fixed shaft; 7. Reset spring; 8. L-shaped rod; 9. Positioning piece; 10. Positioning groove; 11. Sliding piece; 12. Buffer spring; 13. Contact block; 14. Electromagnetic button; 15. Lamp body; 16. Protective pad; 17. Threaded hole; 18. External thread; 19. Display screen. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-Figure 4 As shown;

[0026] A digital display micrometer for measuring mouth opening comprises a micrometer body 1, a fixed measuring anvil 2 is fixedly arranged on the micrometer body 1, a micrometer screw 3 is threadedly inserted on the micrometer body 1, and a display screen 19 is arranged on the micrometer body 1.

[0027] In this embodiment: after checking the publication (announcement) number: CN2589930Y discloses a measuring ruler, this technology discloses that "the measuring ruler is mainly a flat plate structure of any hard material with a rough shape of a quarter circle, with a triangular protrusion at the center of the circle, and a groove at the arc on the other side of the triangular protrusion";

[0028] The existing measuring ruler directly measures the patient's mouth opening and then observes the value with the naked eye. However, errors such as angles are inevitable in the measurement process, which makes the measurement value inaccurate. It is difficult to measure for uncooperative patients. Combined with actual use, this problem is obviously a real and difficult to solve problem. In view of this, in order to solve this technical problem, a measuring component and a disassembly component are added to the application document.

[0029] According to the above content, in order to accurately measure the active mouth opening and passive mouth opening of the patient, a measuring component arranged on the fixed measuring anvil 2 and the micrometer screw 3 is also included to measure the active mouth opening and passive mouth opening of the patient;

[0030] The measuring assembly includes a piston rod 4, which is mounted on the micrometer body 1, and a fixing plate 5 is provided at the piston end of the piston rod 4, a fixing shaft 6 is fixedly inserted in the fixing plate 5, the fixing shaft 6 is against the micrometer screw 3, a reset spring 7 is provided on one side of the fixing plate 5, the other end of the reset spring 7 is fixedly connected to the micrometer body 1, the reset spring 7 is movably sleeved on the piston rod 4, an L-shaped rod 8 is provided on the top of the fixing shaft 6 and the fixed anvil 2, a positioning piece 9 is provided on the other end of the L-shaped rod 8, and a positioning groove 10 is provided on the opposite sides of the two positioning pieces 9.

[0031] In this embodiment: through the cooperation of the positioning piece 9 and the positioning groove 10, the patient's upper teeth and lower teeth can be bitten into the two positioning grooves 10 respectively, and the micrometer screw 3 can be moved by operating the micrometer body 1. At this time, the micrometer screw 3 will push the fixing plate 5 and the fixed shaft 6 to move, so that the piston end of the piston rod 4 is shortened and the reset spring 7 is compressed. This process can actively open the patient's mouth, so that the patient's mouth opening degree can be conveniently measured.

[0032] In an optional embodiment, the number of the piston rods 4 is two, and the two piston rods 4 are symmetrically installed on one side of the fixing plate 5 .

[0033] In this embodiment, the provision of two piston rods 4 can improve the stability of the fixing plate 5 during movement, thereby preventing the fixing plate 5 from tilting.

[0034] In an optional embodiment: a slide 11 is slidably arranged in the positioning groove 10, a buffer spring 12 is fixedly installed on one side of the slide 11, the other end of the buffer spring 12 is fixedly connected to the inner wall of the positioning groove 10, a contact block 13 is arranged on one side of the slide 11, an electromagnetic button 14 is fixedly installed on the inner wall of the positioning groove 10, the contact block 13 and the electromagnetic button 14 cooperate and abut against each other, a lamp body 15 is arranged on the micrometer body 1, and the lamp body 15 is electrically connected to the electromagnetic button 14.

[0035] In this embodiment: On the basis of the above implementation, in the process of the two positioning members 9 moving away from each other, the patient's teeth will push the slide 11 to compress the buffer spring 12, and make the contact block 13 abut against the electromagnetic button 14, which can play a buffering role for the patient's teeth and achieve the effect of protecting the patient's teeth. In addition, when the contact block 13 abuts against the electromagnetic button 14, the lamp body 15 can be lit. At this time, the distance between the two slides 11 is exactly the distance between the fixed anvil 2 and the micrometer screw 3, thereby ensuring the measurement accuracy.

[0036] In an optional embodiment: a protection pad 16 is fixedly installed on a side of the sliding member 11 away from the buffer spring 12 , and the material of the protection pad 16 is soft rubber.

[0037] In this embodiment: since the soft rubber is soft in texture, it can help protect the patient's teeth.

[0038] According to the above content, it also includes a disassembly component arranged on the fixed shaft 6, which is used to disassemble the L-shaped rod 8. The disassembly component includes a threaded hole 17. The threaded hole 17 is opened at the top of the fixed shaft 6. The L-shaped rod 8 is provided with an external thread 18. The L-shaped rod 8 is threadedly inserted into the threaded hole 17 through the external thread 18.

[0039] In this embodiment: finally, when the measurement is completed, the positioning member 9 can be rotated to be screwed out from the threaded hole 17, so that the positioning member 9 can be easily disassembled and replaced, thereby ensuring hygiene.

[0040] In an optional embodiment: anti-slip textures are provided on the micrometer body 1 .

[0041] In this embodiment, the friction between the hand of the person and the micrometer body 1 can be increased, thereby helping to solve the slipping problem.

[0042] The working principle and use process of the utility model are as follows: first, all the electrical appliances involved in the micrometer body 1 are connected to an external power supply, and batteries can be embedded in the micrometer body 1, and then the electrical appliances are connected to the batteries to provide electrical energy for the electrical appliances. Since the batteries and the installation of batteries are existing technologies, they will not be described in detail in this manual. In addition, the micrometer body 1 also includes a fixed sleeve: usually with a series of scale lines, which is used to read a part of the measured value, and a knob: which is transmission-connected to the micrometer screw 3, so that when the knob is rotated, the micrometer screw 3 can be driven to rotate and move at the same time, and the measured value can be read and reflected to the display screen 19 by cooperating with the fixed sleeve. Since the micrometer body 1 is an existing well-known technology, this manual will not be described in detail. The patient's upper and lower teeth are respectively bitten in the two positioning grooves 10, and then during the movement of the micrometer screw 3, the measurement is performed. The micro screw 3 will push the fixing plate 5 and the fixed shaft 6 to move, so that the piston end of the piston rod 4 is shortened and the reset spring 7 is compressed. This process can actively open the patient's mouth, so that the patient's mouth opening degree can be conveniently measured. In the process of the two positioning members 9 moving away from each other, the patient's teeth will push the slide 11 to compress the buffer spring 12, and make the contact block 13 and the electromagnetic button 14 abut against each other, which can play a buffering role for the patient's teeth and achieve the effect of protecting the patient's teeth. In addition, when the contact block 13 and the electromagnetic button 14 abut against each other, the lamp body 15 can be lit. At this time, the distance between the two slides 11 is exactly the distance between the fixed anvil 2 and the micro screw 3, which ensures the measurement accuracy. Finally, when the measurement is completed, the positioning member 9 is rotated to make the positioning member 9 screwed out of the threaded hole 17, which is convenient for disassembly and replacement of the positioning member 9 to ensure hygiene.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A digital micrometer for measuring mouth opening, comprising a micrometer body (1), a fixed measuring anvil (2) fixedly arranged on the micrometer body (1), a micrometer screw (3) threadedly inserted on the micrometer body (1), and a display screen (19) arranged on the micrometer body (1), characterized in that: It also includes a measuring assembly arranged on the fixed measuring anvil (2) and the micrometer screw (3), and is used to measure the active mouth opening and passive mouth opening of the patient; The measuring assembly comprises a piston rod (4), the piston rod (4) being mounted on a micrometer body (1), and a fixing plate (5) being arranged at the piston end of the piston rod (4), a fixing shaft (6) being fixedly inserted in the fixing plate (5), the fixing shaft (6) being against a micrometer screw (3), a reset spring (7) being arranged on one side of the fixing plate (5), the other end of the reset spring (7) being fixedly connected to the micrometer body (1), the reset spring (7) being movably sleeved on the piston rod (4), the tops of the fixing shaft (6) and the fixed measuring anvil (2) being both provided with an L-shaped rod (8), the other end of the L-shaped rod (8) being provided with a positioning member (9), and positioning grooves (10) being arranged on opposite sides of the two positioning members (9).

2. A digital micrometer for measuring mouth opening according to claim 1, characterized in that: The number of the piston rods (4) is two, and the two piston rods (4) are symmetrically mounted on one side of the fixing plate (5).

3. A digital micrometer for measuring mouth opening according to claim 1, characterized in that: A slide (11) is slidably arranged in the positioning groove (10), a buffer spring (12) is fixedly installed on one side of the slide (11), and the other end of the buffer spring (12) is fixedly connected to the inner wall of the positioning groove (10), a contact block (13) is arranged on one side of the slide (11), and an electromagnetic button (14) is fixedly installed on the inner wall of the positioning groove (10), the contact block (13) and the electromagnetic button (14) cooperate to abut against each other, and a lamp body (15) is arranged on the micrometer body (1), and the lamp body (15) is electrically connected to the electromagnetic button (14).

4. A digital micrometer for measuring mouth opening according to claim 3, characterized in that: A protection pad (16) is fixedly mounted on the side of the sliding member (11) away from the buffer spring (12), and the material of the protection pad (16) is soft rubber.

5. A digital micrometer for measuring mouth opening according to claim 1, characterized in that: The invention also comprises a disassembly assembly arranged on the fixed shaft (6) and used for disassembling the L-shaped rod (8), wherein the disassembly assembly comprises a threaded hole (17), wherein the threaded hole (17) is opened at the top of the fixed shaft (6), and the L-shaped rod (8) is provided with an external thread (18), and the L-shaped rod (8) is threadedly inserted into the threaded hole (17) via the external thread (18).

6. A digital micrometer for measuring mouth opening according to claim 1, characterized in that: The micrometer body (1) is provided with anti-slip patterns.

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