Hot melting gutta-percha filling machine

Abstract

The utility model discloses a hot melting gutta-percha filling machine which comprises a main body, the main body is provided with a mounting cavity, a heating pipe is arranged in the mounting cavity, the heating pipe is provided with a filling cavity used for filling gutta-percha, the main body is detachably connected with a glue injection needle, the glue injection needle is communicated with the filling cavity, and the filling cavity is communicated with the glue injection needle. A motor is arranged at the end, away from the heating pipe, of the main body, the output end of the motor is connected with a transmission pipe, a screw rod is arranged in the transmission pipe in a threaded fit mode, one end of the screw rod is connected with a material pushing rod, and one end of the material pushing rod is movably arranged in the filling cavity; and the gutta-percha is conveyed to the gutta-percha injection needle under the action of the material pushing rod. According to the hot melting gutta-percha filling machine with the structure, the motor drives the material pushing rod to push and press gutta-percha, so that people can accurately control the filling amount of the gutta-percha through electric control, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gutta-percha filling, in particular to a hot-melt gutta-percha filling machine. Background Art

[0002] At present, root canal treatment, also known as endodontic treatment, is a treatment method for protecting affected teeth that has been developed in recent years. It has a good treatment and protection effect on dental problems such as chronic pulpitis, chronic apical periodontitis and traumatic teeth. In the process of root canal treatment, in order to avoid secondary infection, it is necessary to fill the root canal with gutta-percha after expanding and cleaning the root canal. Among them, the hot melt gutta-percha filling instrument is a common device for filling hot melt gutta-percha during dental root canal treatment. The hot melt gutta-percha filling instrument generally includes a filling gun and a filling pen. The filling pen is used to heat, cut and pressurize the gutta-percha tip at the root apex, and the filling gun is used to melt the gutta-percha and inject it into the root canal to be filled. However, in the process of filling the gutta-percha with the existing filling gun, it is necessary for the user to reciprocate and pull the trigger so that the push rod moves forward all the time to extrude the hot melt gutta-percha. However, the manual control method is adopted, and the user is not good at grasping the strength of pulling the trigger, which leads to a large difference in the extruded gutta-percha, and then it is difficult to accurately grasp the filling amount of the gutta-percha, which reduces the work efficiency. Utility Model Content

[0003] In view of the above shortcomings, the utility model proposes a hot-melt gutta-percha filling machine, which drives a push rod to push the gutta-percha through a motor, so that people can accurately control the filling amount of the gutta-percha through electric control, thereby improving work efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hot-melt gutta-percha filling machine comprises: a main body, the main body is provided with an installation cavity, the installation cavity is internally provided with a heating tube, the heating tube is provided with a filling cavity for filling the gutta-percha, the main body is detachably connected with a glue injection needle, the glue injection needle is communicated with the filling cavity, the main body is provided with a motor at one end away from the heating tube, the output end of the motor is connected with a transmission tube, the internal thread of the transmission tube is matched with a screw, one end of the screw is connected with a push rod, and one end of the push rod is movably internally provided in the filling cavity, so that the gutta-percha is delivered to the glue injection needle under the action of the push rod.

[0006] The hot melt gutta-percha filling machine according to the embodiment of the utility model has at least the following beneficial effects: when in use, the heating tube heats the gutta-percha in the filling cavity, so that the gutta-percha is in a molten state, and then the motor drives the transmission tube to rotate relative to the main body, so that the screw moves relative to the transmission tube under the action of the thread, thereby driving one end of the push rod to move toward the side close to the injection needle, and finally pushing the gutta-percha into the injection needle to complete the filling of the gutta-percha. Among them, the spiral transmission of the transmission tube and the screw is not only simple and compact in structure, ensuring the continuous and stable filling of the gutta-percha, but also conducive to people to control the movement stroke of the push rod by controlling the running time of the motor, so as to facilitate people to accurately control the filling amount of the gutta-percha, thereby improving people's work efficiency.

[0007] Furthermore, the main body is provided with a first mounting tube, the transmission tube is rotatably arranged inside the first mounting tube, the outer peripheral wall of the transmission tube is provided with a limiting ring, two limiting blocks are arranged inside the first mounting tube at intervals, and the limiting ring is clamped between the two limiting blocks.

[0008] Furthermore, the first mounting tube is connected to the second mounting tube via a bolt, and one end of the second mounting tube is pressed against one of the limit blocks.

[0009] Furthermore, the main body is provided with a second mounting tube, the second mounting tube is provided with a guide hole along its length direction, the screw rod is movably built into the second mounting tube, and one end of the screw rod is provided with a guide block matching with the guide hole.

[0010] Furthermore, it also includes a power supply with a main circuit, the power supply is connected to the main circuit through a first circuit, the heating tube is provided with a heating wire, the heating wire is connected to the main circuit through a second circuit, and the outer wall of the main body is provided with an indicator light, and the indicator light is electrically connected to the main circuit.

[0011] Furthermore, the first circuit is provided with a switch, and the switch is used to connect or disconnect the operation of the motor, and the switch is located on the outer peripheral wall of the main body.

[0012] Furthermore, it also includes a charging base with a mounting slot, the charging base is provided with a first metal contact, and the power source is electrically connected to a second metal contact.

[0013] Furthermore, the charging seat is provided with a USB socket, the USB socket is electrically connected to the first metal contact, and the USB socket is used to connect to an external power supply device.

[0014] Furthermore, it also includes a mounting head threadedly connected to the main body, the mounting head is provided with a first sleeve connected to the filling cavity, and the glue injection needle is built into the first sleeve.

[0015] Furthermore, the mounting head is threadedly connected with a second sleeve, one end of the heating tube is provided with a groove, one end of the second sleeve is embedded in the groove, and the glue injection needle is communicated with the filling cavity.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of an embodiment of a hot melt gutta-percha filling machine of the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the structure of the embodiment assembled with the charging stand;

[0020] Figure 3 for Figure 2 A cross-sectional view of

[0021] Figure 4 for Figure 3 A local enlarged view of point A in FIG.

[0022] Figure 5 for Figure 2 A schematic diagram of the partial structure of the first mounting tube, the second mounting tube and the screw rod.

[0023] In the figure: main body 100, mounting head 101, first sleeve 102, second sleeve 103, heating tube 110, injection needle 120, motor 130, mounting seat 131, transmission tube 140, limiting ring 141, pivot 142, screw 150, guide block 151, push rod 160, first mounting tube 170, limiting block 171, second mounting tube 180, guide hole 181, protective shell 182, power supply 190, indicator light 191, switch 192, display screen 193, charging seat 200. 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] In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inside", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0026] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If the terms "first" or "second" are described, they are only used for descriptive purposes and cannot be understood to indicate or imply relative importance.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figures 1 to 5 A hot-melt gutta-percha filling machine comprises: a main body 100, the main body 100 is provided with an installation cavity, a heating tube 110 is built in the installation cavity, the heating tube 110 is provided with a filling cavity for filling the gutta-percha, the main body 100 is detachably connected with a glue injection needle 120, the glue injection needle 120 is communicated with the filling cavity, a motor 130 is provided at one end of the main body 100 away from the heating tube 110, a transmission tube 140 is connected to the output end of the motor 130, a screw 150 is matched with the internal thread of the transmission tube 140, one end of the screw 150 is connected with a push rod 160, one end of the push rod 160 is movably built in the filling cavity, so that the gutta-percha is delivered to the glue injection needle 120 under the action of the push rod 160.

[0029] When the hot melt gutta-percha filling machine of the above structure is used, the heating tube 110 heats the gutta-percha in the filling cavity, so that the gutta-percha is in a molten state, and then the motor 130 drives the transmission tube 140 to rotate relative to the main body 100, so that the screw 150 moves relative to the transmission tube 140 under the action of the thread, thereby driving one end of the push rod 160 to move toward the side close to the injection needle 120, and finally pushing the gutta-percha into the injection needle 120 to complete the filling of the gutta-percha. Among them, the spiral transmission cooperation of the transmission tube 140 and the screw 150 is not only simple and compact in structure, ensuring the continuous and stable filling of the gutta-percha, but also conducive to people to control the moving stroke of the push rod 160 by controlling the running time of the motor 130, so as to facilitate people to accurately control the filling amount of the gutta-percha, thereby improving people's work efficiency.

[0030] See also Figures 3 to 5 Further, the main body 100 is provided with a first mounting tube 170, the transmission tube 140 is rotatably arranged inside the first mounting tube 170, a limiting ring 141 is arranged on the outer peripheral wall of the transmission tube 140, two limiting blocks 171 are arranged inside the first mounting tube 170 at intervals, and the limiting ring 141 is sandwiched between the two limiting blocks 171, so that the transmission tube 140 is limited to move by the limiting ring 141. In some embodiments, the limiting block 171 can be a bearing, which is not only conducive to reducing the friction coefficient of the transmission tube 140 during the rotation process, improving the smoothness of the transmission tube 140, but also conducive to ensuring the rotation accuracy of the transmission tube 140.

[0031] See also Figures 3 to 5 , further, the first mounting tube 170 is connected to the second mounting tube 180 by bolts, and one end of the second mounting tube 180 is pressed against one of the limit blocks 171. Specifically, the motor 130 is fixed in the main body 100, one end of the motor 130 is provided with a mounting seat 131, the output shaft of the motor 130 is connected to the transmission tube 140 by a pivot 142, the first mounting tube 170 is connected to the mounting seat 131 by bolts, and the first mounting tube 170 is provided with a stepped hole with a stepped surface. During assembly, the first mounting tube 170 is mounted on the mounting seat 131, and the transmission tube 140 is built into the stepped hole, then one of the limit blocks 171 is abutted against the stepped surface, and the limit ring 141 is sleeved on the transmission tube, so that the limit ring 141 and the transmission tube 140 are tightly matched to form a whole, and finally another limit block 171 is pressed against the limit ring 141, and one end of the first mounting tube 170 is pressed against the limit block 171, so that the limit ring 141 can be clamped between the two limit blocks 171, thereby limiting the movement of the transmission tube 140 relative to the main body 100. Among them, the use of a method of mutually cooperating and installing multiple components is conducive to improving the compactness of the internal structure of the main body 100, thereby facilitating the integration of multiple components into the interior of the main body 100, thereby facilitating the reduction of the volume of the main body 100, and facilitating the portability of the product.

[0032] See also Figures 3 to 5 Further, the main body 100 is provided with a second mounting tube 180, and the second mounting tube 180 is provided with a guide hole 181 along its length direction, and the screw 150 is movably built into the second mounting tube 180, and one end of the screw 150 is provided with a guide block 151 that matches the guide hole 181, thereby forming a guide limit for the movement of the screw 150, which is conducive to limiting the rotation of the screw 150, and then facilitating the push rod 160 to better push the gutta-percha for delivery. It is understandable that the screw 150 and the push rod 160 can be fixed by means of mutually embedded card slots and card blocks, or can be connected by bolts, which will not be described in detail here.

[0033] See also Figures 1 to 3 , further, it also includes a power supply 190 with a main circuit, the power supply 190 is connected to the main circuit through a first circuit, the heating tube 110 is provided with a heating wire, the heating wire is connected to the main circuit through a second circuit, and an indicator light 191 is provided on the outer peripheral wall of the main body 100, the indicator light 191 is electrically connected to the main circuit, when the indicator light 191 flashes, it indicates that the heating tube 110 is heating, and when it is off, it indicates that the heating tube 110 stops heating. Specifically, the first circuit and the second circuit are connected in parallel to the main circuit, and when the main circuit is in the power-on state, the motor 130 and the heating wire can be connected to the power supply 190, which is conducive to selectively controlling the heating wire and the motor 130 to connect or disconnect the power, and whether the heating tube 110 is heating can be determined by the flashing state of the indicator light 191.

[0034] See also Figures 1 to 3 , further, the first circuit is provided with a switch 192, the switch 192 is used to turn on or off the operation of the motor 130, and the switch 192 is located on the peripheral wall of the main body 100. Specifically, when the switch 192 is pressed, the first circuit is in a power-on state to run the motor 130, so that people can selectively control the running time of the motor 130, and then it is convenient for people to accurately control the filling amount of the gutta-percha. It is understandable that the indicator light 191 and the switch 192 can adopt existing push-type or rotary button switches, so that people can selectively complete the operation of starting, stopping or forward and reverse rotation of the motor 130. In some embodiments, the peripheral wall of the main body 100 is provided with a display screen 193 connected to the main circuit. After the power supply 190 is powered on, the display screen 193 starts to work, displaying information such as the current working mode, temperature, injection speed, remaining glue amount, battery power, etc., which is conducive to people understanding the operation of related components.

[0035] See also Figures 1 to 3Furthermore, it also includes a charging stand 200 with a mounting groove, the charging stand 200 is provided with a first metal contact, the power supply 190 is electrically connected with a second metal contact, and when the main body 100 is inserted into the mounting groove, the first metal contact and the second metal contact are in contact with each other, thereby facilitating charging of the power supply 190 through the charging stand 200.

[0036] Furthermore, the charging stand 200 is provided with a USB socket, which is electrically connected to the first metal contact, and the USB socket is used to connect to an external power supply device. Specifically, a circuit board is connected to the USB socket and the first metal contact, and the external power supply device is plugged into the USB socket through a connecting line, and the current is converted and rectified through the circuit board, so that the charger can better charge the power supply 190.

[0037] See also Figures 1 to 4 , further, it also includes a mounting head 101 threadedly connected to the main body 100, the mounting head 101 is provided with a first sleeve 102 connected to the filling cavity, and the glue injection needle 120 is built in the first sleeve 102, so that the first sleeve 102 forms a protective effect for the glue injection needle 120. In addition, in order to facilitate the formation of the installation area of ​​the heating tube 110, the main body 100 is provided with a protective shell 182 threadedly connected to the second mounting tube 180, the heating tube 110 is clamped to the protective shell 182, and the mounting head 101 is threadedly connected to one end of the protective shell 182. The cross-section of the mounting head 101 and the protective shell 182 gradually decreases toward the side away from the motor 130, so as to facilitate the adaptation to the installation volume required by the glue injection needle 120, and also help to improve the aesthetics of the end of the main body 100.

[0038] See also Figures 2 to 4 , further, the mounting head 101 is threadedly connected with the second sleeve 103, one end of the heating tube 110 is provided with a groove, one end of the second sleeve 103 is embedded in the groove, and the glue injection needle 120 is connected with the filling cavity. Specifically, the second sleeve 103 is provided with a through hole, and the glue injection needle 120 is adapted to the diameter of the through hole, so that the glue injection needle 120 is conveniently installed in the second sleeve 103. Wherein, during installation, the mounting head 101 is screwed to the main body 100 by a thread, so that the second sleeve 103 and the groove are embedded in each other, so that the glue injection needle 120 is connected with the filling cavity, which is conducive to the subsequent gutta-percha being squeezed into the glue injection needle 120. Wherein, when the gutta-percha in the filling cavity is used up, people unscrew the mounting head 101, so that the second sleeve 103 can be detachably removed from the heating tube 110, so that people can refill the gutta-percha in the filling cavity.

[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A hot melt gutta-percha filling machine, characterized in that: include: A main body (100), wherein the main body (100) is provided with an installation cavity, wherein a heating tube (110) is built in the installation cavity, wherein the heating tube (110) is provided with a filling cavity for filling gutta-percha, wherein the main body (100) is detachably connected with a glue injection needle (120), wherein the glue injection needle (120) is communicated with the filling cavity, wherein an electric motor (130) is provided at one end of the main body (100) away from the heating tube (110), wherein the output end of the motor (130) is connected with a transmission tube (140), wherein the internal thread of the transmission tube (140) is matched with a screw rod (150), wherein one end of the screw rod (150) is connected with a push rod (160), wherein one end of the push rod (160) is movably built in the filling cavity, so that the gutta-percha is transported to the glue injection needle (120) under the action of the push rod (160).

2. A hot melt gutta-percha filling machine according to claim 1, characterized in that: The main body (100) is provided with a first mounting tube (170), the transmission tube (140) is rotatably arranged inside the first mounting tube (170), a limiting ring (141) is provided on the outer peripheral wall of the transmission tube (140), two limiting blocks (171) are arranged at intervals inside the first mounting tube (170), and the limiting ring (141) is clamped between the two limiting blocks (171).

3. A hot melt gutta-percha filling machine according to claim 2, characterized in that: The first mounting tube (170) is connected to the second mounting tube (180) via a bolt, and one end of the second mounting tube (180) is pressed against one of the limit blocks (171).

4. A hot melt gutta-percha filling machine according to claim 1, characterized in that: The main body (100) is provided with a second mounting tube (180), and the second mounting tube (180) is provided with a guide hole (181) along its length direction. The screw rod (150) is movably built into the second mounting tube (180), and one end of the screw rod (150) is provided with a guide block (151) that matches the guide hole (181).

5. A hot melt gutta-percha filling machine according to claim 1, characterized in that: It also includes a power supply (190) having a main circuit, the power supply (190) is connected to the main circuit via a first circuit, the heating tube (110) is provided with a heating wire, the heating wire is connected to the main circuit via a second circuit, and the outer wall of the main body (100) is provided with an indicator light (191), and the indicator light (191) is electrically connected to the main circuit.

6. A hot melt gutta-percha filling machine according to claim 5, characterized in that: The first circuit is provided with a switch (192), and the switch (192) is used to turn on or off the operation of the motor (130), and the switch (192) is located on the outer peripheral wall of the main body (100).

7. A hot melt gutta-percha filling machine according to claim 5, characterized in that: It also includes a charging base (200) having a mounting slot, the charging base (200) being provided with a first metal contact, the power source (190) being electrically connected to a second metal contact, and when the main body (100) is inserted into the mounting slot, the first metal contact and the second metal contact are in contact with each other.

8. A hot melt gutta-percha filling machine according to claim 7, characterized in that: The charging seat (200) is provided with a USB socket, the USB socket is electrically connected to the first metal contact, and the USB socket is used to connect to an external power supply device.

9. A hot melt gutta-percha filling machine according to claim 1, characterized in that: It also includes a mounting head (101) threadedly connected to the main body (100), the mounting head (101) is provided with a first sleeve (102) connected to the filling cavity, and the glue injection needle (120) is built in the first sleeve (102).

10. A hot melt gutta-percha filling machine according to claim 9, characterized in that: The mounting head (101) is threadedly connected to a second sleeve (103), one end of the heating tube (110) is provided with a groove, one end of the second sleeve (103) is embedded in the groove, and the injection needle is connected to the filling cavity.

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