A lifting device used in oral CT equipment

Abstract

The utility model belongs to the technical field of medical instruments, and specifically discloses a lifting device applied to oral CT equipment, comprising a base, a column assembly, a lifting arm assembly, a rotating arm assembly and a chin rest assembly, wherein the column assembly is fixed on the base, the lifting arm assembly and the chin rest assembly are fixed on the column assembly, the rotating arm assembly is fixed on the lifting arm assembly, the column assembly comprises a fixed column, an electric push rod and a lifting sleeve column, the fixed column is fixedly connected to the base, the fixed end of the electric push rod is fixed to the fixed column, the movable section of the electric push rod is fixed to the lifting sleeve column, the lifting sleeve column is sleeved on the outer side of the fixed column, a first guide groove is provided on the outer side of the fixed column, a second guide groove corresponding to the first guide groove is provided on the inner side of the lifting sleeve column, a guide wheel group matched with the second guide groove is installed on the upper part of the fixed column, a limiting wheel group matched with the first guide groove and an adjusting component are installed on the lower part of the lifting sleeve column, and the adjusting component is used to adjust the position of the limiting wheel group to the first guide groove.

Description

Technical Field

[0001] The utility model relates to the technical field of medical machinery, in particular to a lifting device applied to oral CT equipment. Background Art

[0002] Nowadays, as the number of dental consultations continues to rise and the symptoms of each patient are different, the accuracy of relying solely on the doctor's eyes and experience to check and judge the diagnosis is relatively limited. With the development of modern medical device technology, new diagnostic technologies are constantly emerging. At present, the most mainstream and most accurate is the oral CT equipment, which can adapt to a wide range of patients. Among them, for patients of different heights, the lifting mechanical structure is a key component of the oral CT, which is used to match the height for lifting operations. However, the existing lifting mechanical structure has the following problems: first, the stability is relatively poor, and the machine is prone to shaking and jamming; second, the lifting accuracy is not enough; third, the noise is relatively large; fourth, the mechanical structure is not adjustable, and maintenance is difficult; due to the existence of these defects, when the equipment is in use, sometimes the images taken are not accurate enough, which affects the quality of equipment use.

[0003] In view of this, a lifting device applied to oral CT equipment is proposed from a practical perspective. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting device applied to oral CT equipment to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lifting device for oral CT equipment, characterized in that it comprises a base, a column assembly, a lifting arm assembly, a rotating arm assembly and a chin rest assembly, the column assembly is fixed on the base, the lifting arm assembly and the chin rest assembly are fixed on the column assembly, and the rotating arm assembly is fixed on the lifting arm assembly, characterized in that the column assembly comprises a fixed column, an electric push rod and a lifting sleeve column, the fixed column is fixedly connected to the base, the fixed end of the electric push rod is fixed to the fixed column, the movable section of the electric push rod is fixed to the lifting sleeve column, the lifting sleeve column is sleeved on the outer side of the fixed column, the outer side of the fixed column is provided with a first guide groove, the inner side of the lifting sleeve column is provided with a second guide groove corresponding to the first guide groove, the upper part of the fixed column is equipped with a guide wheel group matched with the second guide groove, the lower part of the lifting sleeve column is equipped with a limit wheel group matched with the first guide groove and an adjustment component, the adjustment component is used to adjust the position of the limit wheel group to the first guide groove.

[0007] The beneficial effects of the utility model are as follows: the utility model can stably control the lifting position and accuracy of the column assembly by adding an adjustable guide wheel group and a limit wheel group in the column assembly, and can solve the unilateral force phenomenon during the movement of the column assembly, reduce the instability of the column lifting, and improve the shaking problem.

[0008] Preferably, the guide wheel assembly comprises a guide wheel and a guide wheel seat, and the guide wheel seat is installed in the first guide groove by bolts.

[0009] Preferably, the limiting wheel assembly comprises a limiting wheel and a limiting wheel seat, the limiting wheel seat is installed in the second guide groove by bolts, and the adjusting component is installed between the limiting wheel and the limiting wheel seat.

[0010] Preferably, a square groove is provided on the limiting wheel seat, a limiting wheel fixing shaft is provided in the square groove, and the limiting wheel is installed on the limiting wheel fixing shaft.

[0011] Preferably, an adjustment hole is provided in the square groove, and the adjustment component is a machine screw, and the machine screw is used to adjust the position of the limiting wheel to the first guide groove.

[0012] Preferably, the cross-sectional shape of the lifting sleeve is U-shaped, the opening of the lifting sleeve is arranged toward the front, and the guide wheel group and the limiting wheel group are arranged on the left and right sides and the rear side of the fixed column.

[0013] Preferably, the opening of the lifting sleeve is provided with a front cover plate.

[0014] Preferably, the column assembly further comprises an upper sealing plate, and the upper sealing plate is located between the column assembly and the lifting arm assembly.

[0015] Preferably, a side mounting opening leading to the second guide groove is provided on the side surface of the lifting sleeve column, the side mounting opening is used to install the limiting wheel set, and the side mounting opening is provided with a limiting wheel cover plate.

[0016] Preferably, the guide wheel set and the limiting wheel set are both rubber-coated wheel sets. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is an exploded view of the column assembly of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is a side view of the column assembly of the utility model;

[0021] Figure 5 It is an enlarged view of the side view A;

[0022] Figure 6 It is an enlarged view of the side view B;

[0023] Figure 7 A side view of the column assembly of the utility model when it is raised or lowered;

[0024] Figure 8 It is an enlarged view of the side view at C;

[0025] Fig. 9 It is a top view of the utility model;

[0026] Fig.10 This is the enlarged view of point D;

[0027] Fig.11 This is the exploded view of the limiting wheel;

[0028] Fig.12 This is an exploded view of the limit wheel from another perspective;

[0029] Figure numerals: 1. base; 2. column assembly; 3. lifting arm assembly; 4. rotating arm assembly; 5. chin rest assembly; 6. fixed column; 7. front cover; 8. guide wheel group; 8.1. first guide groove; 9. upper cover plate; 10. lifting sleeve column; 11. limit wheel group cover plate; 12. limit wheel group; 12.1. second guide groove; 13. limit wheel; 14. limit wheel fixing shaft; 15. machine screw; 16. limit wheel seat; 17. limit wheel cover plate; 18. limit wheel group screw; 19. square groove; 20. machine screw threaded hole. DETAILED DESCRIPTION

[0030] 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.

[0031] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 indirectly connected 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.

[0033] See also Figure 1 and Figure 2 , Figure 6-Figure 8 , Figure 1 It is a three-dimensional diagram of the utility model. Figure 2 This is an exploded view of the column assembly of the utility model. Figure 6 This is an enlarged view of the side view of B. Figure 7 A side view of the column assembly of the utility model when it is lifted or lowered. Figure 8 This is an enlarged view of the side view of point C.

[0034] A lifting device for oral CT equipment includes a base 1, a column assembly 2, a lifting arm assembly 3, a rotating arm assembly 4 and a chin rest assembly 5, the column assembly 2 is fixed on the base 1, the lifting arm assembly 3 and the chin rest assembly 5 are fixed on the column assembly 2, and the rotating arm assembly 4 is fixed on the lifting arm assembly 3. The column assembly 2 includes a fixed column 6, an electric push rod and a lifting sleeve column 10, the fixed column 6 is fixedly connected to the base 1, the fixed end of the electric push rod is fixed to the fixed column 6, and the movable end of the electric push rod is fixed to the fixed column 6. The section is fixed to the lifting sleeve column 10, and the lifting sleeve column 10 is sleeved on the outer side of the fixed column 6. The outer side of the fixed column 6 is provided with a first guide groove 8.1, and the inner side of the lifting sleeve column 10 is provided with a second guide groove 12.1 corresponding to the first guide groove 8.1. The upper part of the fixed column 6 is equipped with a guide wheel group 8 matched with the second guide groove 12.1, and the lower part of the lifting sleeve column 10 is equipped with a limiting wheel group 12 matched with the first guide groove 8.1 and an adjusting component, and the adjusting component is used to adjust the limiting wheel group 12 to the position of the first guide groove 8.1.

[0035] The utility model can stably control the lifting position and accuracy of the column assembly by adding an adjustable guide wheel group and a limit wheel group in the column assembly, solve the unilateral force phenomenon when the column assembly moves, reduce the instability of column lifting, and improve the shaking problem.

[0036] Among them, under the push of the electric push rod, the lifting arm assembly 3, the rotating arm assembly 4 and the chin rest assembly 5 of the utility model are lifted up and down following the column assembly 2, so the lifting mechanical structure stability of the column assembly 2 determines the imaging effect of the equipment.

[0037] See also Figure 4and Figure 5 , is a side view of the column assembly of the utility model, Figure 5 It is an enlarged view of the side view A;

[0038] Furthermore, the guide wheel assembly 8 comprises a guide wheel and a guide wheel seat, and the guide wheel seat is mounted in the first guide groove 8.1 by bolts.

[0039] See also Figure 9-12 , Fig. 9 It is a top view of the utility model. Fig.10 This is the enlarged view of point D. Fig.11 This is the explosion diagram of the limiting wheel. Fig.12 This is an exploded view of the limit wheel from another perspective;

[0040] Furthermore, the limiting wheel assembly 12 comprises a limiting wheel 13 and a limiting wheel seat 16 . The limiting wheel seat 16 is mounted in the second guide groove 12 . 1 by bolts, and the adjusting component is mounted between the limiting wheel 13 and the limiting wheel seat 16 .

[0041] Furthermore, a square groove 19 is provided on the limiting wheel seat 16 , a limiting wheel fixing shaft 14 is provided in the square groove 19 , and the limiting wheel 13 is mounted on the limiting wheel fixing shaft 14 .

[0042] Furthermore, an adjustment hole is provided in the square groove 19, and the adjustment component is a machine screw 15, and the machine screw 15 is used to adjust the position of the limiting wheel 13 to the first guide groove 8.1.

[0043] Among them, the limiting wheel set arranged on the column has an adjustable function, which is convenient for maintaining and maintaining the quality and stability of the column lifting.

[0044] See also Figure 3 , Figure 3 It is a top view of the utility model;

[0045] Furthermore, the cross-sectional shape of the lifting sleeve 10 is U-shaped, the opening of the lifting sleeve 10 is arranged toward the front, and the guide wheel group 8 and the limiting wheel group 12 are arranged on the left and right sides and the rear side of the fixed column 6.

[0046] Furthermore, the opening of the lifting sleeve 10 is provided with a front cover plate 7 .

[0047] Furthermore, the column assembly 2 also includes an upper sealing plate 9 , which is located between the column assembly 2 and the lifting arm assembly 3 .

[0048] Furthermore, a side mounting opening leading to the second guide groove 12 . 1 is provided on the side of the lifting sleeve column 10 , and the side mounting opening is used to install the limiting wheel set 12 , and the side mounting opening is provided with a limiting wheel cover plate 17 .

[0049] The limiting wheel cover plate 11 is used to adjust the tightness of the limiting wheel assembly and the column assembly 1 .

[0050] Furthermore, the guide wheel set 8 and the limiting wheel set 12 are both rubber-coated wheel sets.

[0051] Among them, the use of rubber-coated wheel sets can not only reduce noise, but also make the equipment more user-friendly when moving.

[0052] In the utility model, the fixed column 6 is provided with a first guide groove 8.1 and a screw hole fixing position, and the guide wheel group 8 is fixed on the first guide groove 8.1 and the screw hole on the fixed column 6. The lifting sleeve 10 is provided with a second guide groove 12.1, and the lower part of the lifting sleeve 10 is provided with a fixing position for the installation of the limit wheel group, and it can be assembled from the outside, which is convenient for adjustment, disassembly and maintenance. According to the position of the guide wheel group 8 of the fixed column 6, the lifting sleeve 10 is respectively assembled accordingly, and the lifting sleeve 10 is lowered to the lowest position, and 4 groups of limit wheel groups are respectively assembled from the outside to form the column assembly 1. When the lifting sleeve 10 performs the lifting action, the guide wheel group 8 and the fixed column 6 are fixed. The limit wheel group moves together with the lifting sleeve 10. When the lifting sleeve 10 is at the lowest position, the guide wheel group 8 is at the highest position of the lifting sleeve 10, forming a lever structure.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0054] 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 lifting device for oral CT equipment, comprising a base, a column assembly, a lifting arm assembly, a rotating arm assembly and a chin rest assembly, wherein the column assembly is fixed on the base, the lifting arm assembly and the chin rest assembly are fixed on the column assembly, and the rotating arm assembly is fixed on the lifting arm assembly, characterized in that: The column assembly includes a fixed column, an electric push rod and a lifting sleeve column, the fixed column is fixedly connected to the base, the fixed end of the electric push rod is fixed to the fixed column, the movable section of the electric push rod is fixed to the lifting sleeve column, the lifting sleeve column is sleeved on the outer side of the fixed column, the outer side of the fixed column is provided with a first guide groove, the inner side of the lifting sleeve column is provided with a second guide groove corresponding to the first guide groove, the upper part of the fixed column is equipped with a guide wheel group that cooperates with the second guide groove, the lower part of the lifting sleeve column is equipped with a limiting wheel group that cooperates with the first guide groove and an adjusting component, the adjusting component is used to adjust the position of the limiting wheel group to the first guide groove.

2. The lifting device for oral CT equipment according to claim 1, characterized in that: The guide wheel assembly includes a guide wheel and a guide wheel seat, and the guide wheel seat is installed in the first guide groove by bolts.

3. The lifting device for oral CT equipment according to claim 1, characterized in that: The limiting wheel assembly comprises a limiting wheel and a limiting wheel seat, the limiting wheel seat is installed in the second guide groove by bolts, and the adjusting component is installed between the limiting wheel and the limiting wheel seat.

4. The lifting device for oral CT equipment according to claim 3, characterized in that: The limiting wheel seat is provided with a square groove, a limiting wheel fixing shaft is provided in the square groove, and the limiting wheel is installed on the limiting wheel fixing shaft.

5. The lifting device for oral CT equipment according to claim 4, characterized in that: An adjustment hole is provided in the square groove, and the adjustment component is a machine screw, and the machine screw is used to adjust the position of the limiting wheel to the first guide groove.

6. The lifting device for oral CT equipment according to claim 1, characterized in that: The cross-sectional shape of the lifting sleeve is U-shaped, the opening of the lifting sleeve is arranged toward the front side, and the guide wheel group and the limiting wheel group are arranged on the left and right sides and the rear side of the fixed column.

7. The lifting device for oral CT equipment according to claim 6, characterized in that: The opening of the lifting sleeve column is provided with a front cover plate.

8. The lifting device for oral CT equipment according to claim 1, characterized in that: The column assembly also includes an upper sealing plate, and the upper sealing plate is located between the column assembly and the lifting arm assembly.

9. The lifting device for oral CT equipment according to claim 1, characterized in that: A side mounting opening leading to the second guide groove is provided on the side surface of the lifting sleeve column, the side mounting opening is used to install the limiting wheel set, and the side mounting opening is provided with a limiting wheel cover plate.

10. The lifting device for oral CT equipment according to claim 1, characterized in that: The guide wheel set and the limiting wheel set are both rubber-coated wheel sets.

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