Root canal file supporting frame with counting function

Abstract

The utility model relates to the technical field of oral cavity medical supplies, and discloses a root canal file supporting frame with a counting function, which comprises a shell, a pressing rod, a limiting plate and a driving pawl, a counting window is arranged on a first side of the shell, a ratchet wheel is rotatably arranged in the shell, a counting disc matched with the counting window is arranged on the ratchet wheel, and the driving pawl is arranged on the pressing rod. One side of the ratchet wheel is provided with a check pawl matched with the ratchet wheel, the top of the pressing rod is arranged on the outer side of the shell, the bottom of the pressing rod sequentially penetrates through the shell and the limiting plate and then is connected with the ratchet wheel through a driving pawl, and the limiting plate is fixedly arranged on the inner side wall of the shell. The root canal file supporting frame is convenient to use and capable of counting accurately, and the using effect and the using experience of the root canal file supporting frame are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity medical supplies technical field especially, a kind of root canal file support frame with counting function. BACKGROUND

[0002] Root canal file is a dental surgical instrument, used in the preliminary cleaning and expansion in root canal treatment, so that root canal internal material is fully removed and sealing material is fully filled, so as to achieve therapeutic effect, is one of the tools commonly used in oral clinical. Root canal file is composed of three parts of rod, handle and stopper, and the pulp and tooth residues in root canal are cleaned by rotation and vibration, so the root canal file has a service life limit, and needs to be replaced after a certain number of uses, and the number of uses of root canal files made of different materials is different, such as root canal files made of nickel-titanium alloy, which have good elasticity and corrosion resistance, and can usually withstand 10-15 uses, while stainless steel material has higher hardness and is easy to wear, and the service life is mostly concentrated in 2-3 times. Doctors may have difficulty counting during treatment, which may lead to overuse of root canal files, fatigue breakage and other problems, and is not conducive to the use of independent instruments for individual patients, which may lead to iatrogenic accidents.

[0003] Therefore, the invention patent application with publication number CN117547373A appears, which discloses a root canal file support frame with counting function, comprising a shell, a counting device is arranged on the shell, the counting device comprises a counting dial, and a damping sheet, the counting dial is inserted into the shell and connected with the shell through a rotating shaft, the damping sheet is installed in the ring groove at the edge of the dial, and the damping sheet rubs against the inner wall of the shell when the dial rotates to provide damping for the dial, the dial is circular, and the counting numbers 1-20 are printed on the end face of the dial, the counting numbers on the end face of the dial correspond to the counting window positions on the front and back surfaces of the shell, and the numbers are read through the counting window during use; The dial can be stopped by the damping action of the damping sheet, so that the counting numbers can stay in the counting window, and reading and recording are facilitated.

[0004] The above patent application has at least the following problems: first, the user needs to manually dial the counting dial when counting, which is not convenient to control; second, the user needs to carefully check that the numbers on the dial correspond to the counting window positions on the shell. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art, and develops a root canal file support frame with counting function, which can be conveniently used and accurately counted, and effectively improves the use effect and use experience of the root canal file support frame.

[0006] The utility model discloses a technical scheme that solves technical problems: a root canal file support frame with counting function, including the casing, still including the pressure rod, the limit board and the initiative pawl, the first side of casing is equipped with the counting window, the inside rotation of casing is equipped with the ratchet wheel, is equipped with the counting disc with the counting window cooperation on the ratchet wheel, one side of ratchet wheel is equipped with the check pawl of mutual cooperation, the top of pressure rod sets up the outside of casing, and the bottom of pressure rod passes through limit board and the casing in proper order and is connected with ratchet wheel through initiative pawl, and limit board fixedly sets up on the inner side wall of casing.

[0007] As optimization, the baffle is fixedly arranged on the pressure rod, and the elastic member is arranged on the pressure rod between the baffle and the limit plate. Through arrangement of the baffle and the elastic member, the pressure rod can be automatically reset after being pressed down in cooperation with the limit plate, and the baffle can prevent the pressure rod from being pulled out of the casing.

[0008] As optimization, the elastic member is a spring, the baffle is arranged above the limit plate, and the two ends of the elastic member are respectively in abutment with the baffle and the limit plate. When the pressure rod is pressed down once, the spring can push the baffle upward, so that the pressure rod is automatically reset, and the initiative pawl is lifted along the ratchet wheel and moved to the next tooth groove of the ratchet wheel.

[0009] As optimization, the elastic member is a tension spring, the baffle is arranged below the limit plate, and the two ends of the elastic member are respectively fixedly connected with the baffle and the limit plate. When the pressure rod is pressed down once, the tension spring can pull the baffle upward, so that the pressure rod is automatically reset, and the initiative pawl is lifted along the ratchet wheel and moved to the next tooth groove of the ratchet wheel.

[0010] As optimization, the top of the casing is provided with a plurality of groups of insertion slots, and a containing tube is detachably arranged in the insertion slot. Through arrangement of the insertion slot, the containing tube can be conveniently disassembled and assembled, and disinfection in the later period is facilitated; and through arrangement of the containing tube, the root canal file can be placed.

[0011] As optimization, a back groove is arranged on the outer side wall of the second side of the casing, and a supporting leg is rotatably arranged in the back groove. Through arrangement of the back groove, the supporting leg can be hidden and stored, the top of the back groove can also limit the maximum expansion angle of the supporting leg, and excessive expansion of the supporting leg is avoided; and through arrangement of the supporting leg, the supporting leg can be expanded outward to support the casing.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] Through setting the pressing rod, the driving pawl, the ratchet wheel and the check pawl, the ratchet wheel structure can be formed, the user can operate conveniently, and only needs to press the pressing rod to complete the counting, the operation is simple, convenient and fast, with the pressing rod being pressed, the driving pawl can press and rotate the ratchet wheel once, with the pressing rod being lifted, the driving pawl can return to the initial state, and the check pawl can prevent the ratchet wheel from reversing, thereby guaranteeing the accuracy of the counting; through setting the shell and the limiting plate, the stability and the fluency of the vertical lifting of the pressing rod can be guaranteed, and the pressing rod cannot be inclined; through setting the counting window and the counting disc, the user can check the used times of the root canal file conveniently, the counting disc can rotate with the ratchet wheel, thereby changing the numbers and displaying in the counting window. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of an embodiment of the utility model.

[0015] Figure 2 It is a partial internal structure schematic view of the rear view direction of an embodiment of the utility model.

[0016] In the figure: 1, shell; 2, pressing rod; 3, limiting plate; 4, driving pawl; 5, counting window; 6, ratchet wheel; 7, counting disc; 8, check pawl; 9, baffle; 10, elastic member; 11, slot; 12, containing tube; 13, back groove; 14, supporting leg. DETAILED DESCRIPTION

[0017] In order to clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation ways, and in combination with its drawings.

[0018] Embodiment 1

[0019] Figure 1 And Figure 2 It is an embodiment of the utility model, as shown in the figure and Figure 2As shown, a root canal file support frame with counting function includes a shell 1, a pressing rod 2, a limiting plate 3 and a driving pawl 4, the first side of the shell 1 is provided with a counting window 5, the inside of the shell 1 is rotatably provided with a ratchet wheel 6, one end of the ratchet wheel 6 is fixedly provided with a counting disc 7 matched with the counting window 5, the end of the counting disc 7 towards the counting window 5 is provided with counting numbers, the maximum counting corresponds to the number of teeth of the ratchet wheel 6, the ratchet wheel 6 and the counting disc 7 are integrally formed, one side of the ratchet wheel 6 is provided with a check pawl 8 matched with the ratchet wheel 6, the check pawl 8 is connected with the shell 1 through a torsion spring shaft, the top of the pressing rod 2 is arranged outside the shell 1, the top of the pressing rod 2 is provided with a pressing cap, the bottom of the pressing rod 2 is connected with the ratchet wheel 6 through the driving pawl 4 after sequentially penetrating through the shell 1 and the limiting plate 3, the driving pawl 4 is connected with the bottom of the pressing rod 2 through a torsion spring shaft, the limiting plate 3 is fixedly arranged on the inner side wall of the second side of the shell 1.

[0020] By setting the pressing rod 2, the driving pawl 4, the ratchet wheel 6 and the check pawl 8, a ratchet structure can be formed, which is convenient for users to operate, and only needs to press the pressing rod 2 to complete counting, which is simple, convenient and fast, with the pressing rod 2 being pressed down, the driving pawl 4 can press down to rotate the ratchet wheel 6 once, with the pressing rod 2 being lifted up, the driving pawl 4 can return to the initial state, and the check pawl 8 can prevent the ratchet wheel 6 from reversing, thereby ensuring the accuracy of counting; by setting the shell 1 and the limiting plate 3, the vertical lifting of the pressing rod 2 can be prevented from being tilted; by setting the counting window 5 and the counting disc 7, the user can conveniently check the number of times the root canal file has been used, the counting disc 7 can rotate with the ratchet wheel 6, thereby changing the numbers and displaying them in the counting window 5.

[0021] The pressing rod 2 is fixedly provided with a baffle 9, and an elastic member 10 is sleeved on the pressing rod 2 between the baffle 9 and the limiting plate 3. By setting the baffle 9 and the elastic member 10, the pressing rod 2 can be automatically reset after being pressed down in cooperation with the limiting plate 3, and the baffle 9 can prevent the pressing rod 2 from being pulled out of the shell 1.

[0022] The elastic member 10 is a spring, the baffle 9 is arranged above the limiting plate 3, and the two ends of the elastic member 10 abut against the baffle 9 and the limiting plate 3, respectively. When the pressing rod 2 is pressed down once, the spring can push the baffle 9 upwards, so that the pressing rod 2 is automatically reset, thereby making the driving pawl 4 rise along the ratchet wheel 6 and move to the next tooth groove of the ratchet wheel 6.

[0023] The top of the shell 1 is provided with six groups of insertion slots 11, and a containing tube 12 is detachably arranged in the insertion slot 11, the top of the containing tube 12 is open, the bottom of the containing tube 12 is closed, and a root canal file is arranged in the containing tube 12. By setting the insertion slot 11, the containing tube 12 can be conveniently disassembled and assembled for later disinfection; by setting the containing tube 12, the root canal file can be placed.

[0024] The outer side wall of the second side of the shell 1 is symmetrically provided with two groups of back grooves 13, the support legs 14 are rotatably arranged in the back grooves 13, and the top of the support leg 14 is connected with the inner side wall of the back groove 13 through a rotating shaft.

[0025] Embodiment 2

[0026] The difference between the embodiment and the first embodiment is that the elastic member 10 is a tension spring, the baffle 9 is arranged below the limiting plate 3, and the two ends of the elastic member 10 are fixedly connected with the baffle 9 and the limiting plate 3 respectively. When the pressing rod 2 completes one-time pressing, the tension spring can pull the baffle 9 upward, so that the pressing rod 2 is automatically reset, thereby making the driving pawl 4 ascend along the ratchet wheel 6 and move to the next tooth groove of the ratchet wheel 6.

[0027] In use, the user can expand the support leg 14 outward from the back groove 13 to stably support the shell 1 and prevent the shell 1 from toppling over. After the root canal file is used for one time, the user can directly press the pressing cap of the pressing rod 2 to count, at this time, the pressing rod 2 drives the ratchet wheel 6 to rotate downward through the driving pawl 4, along with the rotation of the ratchet wheel 6, the counting disc 7 starts to rotate, the check pawl 8 slides on the ratchet wheel 6 under the action of the torsion spring rotating shaft, and the elastic member 10 is deformed. When the pressing cap abuts against the shell 1, the check pawl 8 is clamped into the next tooth groove, the ratchet wheel 6 completes one-time rotation and drives the counting disc 7 to rotate one time, the counting in the counting window 5 is changed, and the counting disc 7 will not be reversed. The pressing rod 2 is released, the pressing rod 2 is lifted and automatically reset under the action of the elastic member 10, the driving pawl 4 ascends along the ratchet wheel 6 under the action of the torsion spring rotating shaft and is clamped into the next tooth groove of the ratchet wheel 6, and the next pressing and counting are waited. The utility model is convenient and simple to operate, one-time pressing can realize one-time counting, the counting is accurate, the situation of miscounting or wrong counting does not occur, and the use effect and use experience of the root canal file support frame are effectively improved.

[0028] In the utility model, the description of the direction or relative position relation of the structure, such as the direction or relative position relation indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like, is the direction or position relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation on the utility model.

Claims

1. A root canal file support frame with counting function, comprising a housing (1), characterized in that: It also includes a pressure rod (2), a limiting plate (3) and an active ratchet (4). The first side of the housing (1) is provided with a counting window (5). The inside of the housing (1) is provided with a ratchet (6) that rotates. The ratchet (6) is provided with a counting disk (7) that cooperates with the counting window (5). One side of the ratchet (6) is provided with a mutually cooperating check ratchet (8). The top of the pressure rod (2) is provided on the outside of the housing (1). The bottom of the pressure rod (2) passes through the housing (1) and the limiting plate (3) in sequence and is connected to the ratchet (6) through the active ratchet (4). The limiting plate (3) is fixedly provided on the inner wall of the housing (1).

2. The root canal file support with counting function according to claim 1, characterized in that: A baffle (9) is fixedly provided on the pressure rod (2), and an elastic element (10) is sleeved on the pressure rod (2) between the baffle (9) and the limiting plate (3).

3. The root canal file support with counting function according to claim 2, characterized in that: The elastic element (10) is a spring, and the baffle (9) is set above the limiting plate (3). The two ends of the elastic element (10) abut against the baffle (9) and the limiting plate (3) respectively.

4. The root canal file support with counting function according to claim 2, characterized in that: The elastic element (10) is a tension spring, and the baffle (9) is located below the limiting plate (3). The two ends of the elastic element (10) are fixedly connected to the baffle (9) and the limiting plate (3) respectively.

5. The root canal file support with counting function according to claim 3 or 4, characterized in that: The top of the housing (1) is provided with several sets of slots (11), and a receiving tube (12) is detachably provided in the slot (11).

6. The root canal file support with counting function according to claim 5, characterized in that: A back groove (13) is provided on the outer side wall of the second side of the housing (1), and a support leg (14) is rotatably provided in the back groove (13).

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