Disassembly-free adjustable mechanism for joint damping adjustment of mouth lamp

Abstract

The utility model relates to medical instrument technical field, concretely relates to a kind of disassembly adjustable mechanism for joint damping adjustment of mouth lamp, including first joint arm, second joint arm and lamp shell, the first joint arm is fixedly connected with the second joint arm;The inside of lamp shell is provided with mounting groove, the mounting groove is preset with several screw holes;One pivot compression block is set in each of the both ends of the second joint arm, the pivot compression block has fixed end and adjusting end, the adjusting end is provided with axial slit, the fixed end is fixedly connected on the mounting groove by bolt;The adjusting end position of pivot compression block is provided with through-hole on the lamp shell;Damping adjustment bolt, the damping adjustment bolt is screwed into the through-hole of lamp shell, its end is passed through the adjusting end of pivot compression block, the adjusting end is provided with locknut, the clamping force of adjusting end is changed by tightening or loosening the damping adjustment bolt, so as to adjust the rotation damping of the pivot compression block to the second joint arm.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to an adjustable mechanism for adjusting the joint damping of an oral lamp without disassembly. Background Technology

[0002] Dental lights are instruments used by dentists to provide illumination during surgery and diagnosis, facilitating oral examinations and treatments. However, the structure of existing dental lights on the market can become loose after repeated use, and the existing dental lights suffer from difficulties in adjustment when loose, as well as poor stability during use. As a result, the lighting may not meet the dentist's surgical requirements, affecting the normal progress of the surgery. Utility Model Content

[0003] The purpose of this utility model is to provide an embedded electric clothes drying rack to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides a non-disassembly adjustable mechanism for adjusting the joint damping of a dental lamp, comprising: a first joint arm, a second joint arm, and a lamp housing, wherein the first joint arm and the second joint arm are fixedly connected; the lamp housing has an inner mounting groove with a plurality of screw holes; each end of the second joint arm is fitted with a rotating shaft clamping block, the rotating shaft clamping block having a fixed end and an adjusting end, the adjusting end having an axial gap, and the fixed end being fixedly connected to the mounting groove by bolts; the lamp housing has a through hole corresponding to the adjusting end of the rotating shaft clamping block; a damping adjusting bolt is screwed into the through hole of the lamp housing, its end passing through the adjusting end of the rotating shaft clamping block, the adjusting end being provided with an anti-loosening nut, and the clamping force of the adjusting end is changed by tightening or loosening the damping adjusting bolt, thereby adjusting the rotational damping of the rotating shaft clamping block on the second joint arm.

[0005] As a further improvement to this technical solution, the adjustment end consists of an upper adjustment end and a lower adjustment end. The upper adjustment end extends outward and is provided with a threaded through hole. The upper adjustment end is fixedly connected to the lamp housing by a thread.

[0006] As a further improvement to this technical solution, a fastening plate is provided on the rotating shaft clamping block.

[0007] As a further improvement to this technical solution, the fastening plate is I-shaped, and threaded holes are provided at the four corners of the fastening plate. Two of the threaded holes of the fastening plate correspond to the threaded holes of the upper adjustment end, and the other two threaded holes of the fastening plate correspond to the threaded holes of the fixed end.

[0008] As a further improvement to this technical solution, a sliding groove is provided on the outer side of the lamp housing.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model can directly affect the adjustment end of the rotating shaft clamping block by directly turning the damping adjustment bolt from the outside of the lamp housing. By adjusting the adjustment end, the inner diameter of the rotating shaft clamping block can be reduced and the gap of the adjustment end can be narrowed, thereby tightening the joint arm to achieve the effect of increasing damping. At the same time, there is no need to disassemble the lamp body parts, which greatly simplifies the maintenance process. Attached Figure Description

[0010] Figure 1 is an exploded view of this utility model; Figure 2 is a front view of the internal structure of this utility model; Figure 3 is an enlarged view of part of this utility model; Figure 4 is a perspective view of this utility model.

[0011] The meanings of the labels in the diagram are as follows: 1. First joint arm; 2. Second joint arm; 3. Lamp housing; 31. Mounting groove; 32. Through hole; 311. Damping adjustment bolt; 312. Anti-loosening nut; 33. Sliding groove; 4. Rotary shaft clamping block; 41. Fixed end; 42. Adjusting end; 421. Upper adjusting end; 422. Lower adjusting end; 5. Fastening plate. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0013] In the description of this utility model, it should be understood that the terms "upper", "lower", "both sides", "horizontal", "center", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0014] Furthermore, in the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0015] Please refer to Figures 1-4. This utility model provides a non-disassembly adjustable mechanism for adjusting the joint damping of a dental lamp, comprising: a first joint arm 1, a second joint arm 2, and a lamp housing 3. The first joint arm 1 and the second joint arm 2 are fixedly connected. The lamp housing 3 has an inner mounting groove 31 with several pre-set screw holes. Each end of the second joint arm 2 is fitted with a rotating shaft clamping block 4, which has a fixed end 41 and an adjusting end 42. The adjusting end 42 has an axial gap, and the fixed end 41 is fixedly connected to the mounting groove 31 by bolts. The lamp housing 3 has a through hole 32 corresponding to the position of the adjusting end 42 of the rotating shaft clamping block 4. A damping adjusting bolt 311 is screwed into the through hole 32 of the lamp housing 3, and its end passes through the rotating shaft clamping block 4. The adjusting end 42 is provided with an anti-loosening nut 312. By tightening or loosening the damping adjusting bolt 311, the clamping force of the adjusting end 42 is changed, thereby adjusting the rotational damping of the rotating shaft clamping block 4 on the second joint arm 2.

[0016] In this embodiment, the first articulated arm 1 and the second articulated arm 2 are fixedly connected. Each end of the second articulated arm 2 is fitted with a rotating shaft clamping block 4. The rotating shaft clamping block 4 is divided into a fixed end 41 and an adjusting end 42. The fixed end 41 is provided with a screw hole, which can be fixedly connected to the mounting groove 31 in the lamp housing 3 by bolts, thereby ensuring the stability of the second articulated arm 2. Furthermore, the adjusting end 42 has an axial gap. At the same time, the adjusting end 42 is provided with a screw hole and a lock nut 312. The screw hole corresponds to the through hole 32 on the lamp housing 3. The damping adjusting bolt 311 is screwed into the through hole 32 of the lamp housing 3, and its end abuts or presses against the lock nut of the adjusting end 42 of the rotating shaft clamping block 4. By tightening or loosening the damping adjusting bolt 311, the clamping force of the adjusting end 42 is changed, thereby adjusting the rotational damping of the rotating shaft clamping block 4 on the second articulated arm 2.

[0017] Please refer to Figures 1-4. Further, the adjustment end 42 is composed of an upper adjustment end 421 and a lower adjustment end 422. The upper adjustment end 421 extends outward and is provided with a threaded through hole. The upper adjustment end 421 is fixedly connected to the mounting groove 31 by bolts.

[0018] In this embodiment, by adding a screw hole to the upper adjustment end 421 to fix it to the lamp housing 3 with bolts, the stability of the entire assembly is further enhanced.

[0019] Please refer to Figures 1-4. Further, the rotating shaft clamping block 4 is provided with a fastening plate 5. The fastening plate 5 is I-shaped and has threaded holes at its four corners. Two of the threaded holes of the fastening plate 5 correspond to the threaded holes of the upper adjusting end, and the other two threaded holes of the fastening plate 5 correspond to the threaded holes of the fixed end 41.

[0020] In this embodiment, the stability of the second adjusting arm 2 is further enhanced by adding an I-shaped fastening piece 5. Please refer to [link / reference]. Figure 4 As shown, a sliding groove 33 is further provided on the outer side of the lamp housing 3.

[0021] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A non-disassembly adjustable mechanism for adjusting the joint damping of an oral lamp, characterized in that, include: The first articulated arm (1), the second articulated arm (2), and the lamp housing (3) are fixedly connected; The lamp housing (3) has an inner mounting groove (31) with several screw holes. The second joint arm (2) is fitted with a rotating shaft clamping block (4) at each end. The rotating shaft clamping block (4) has a fixed end (41) and an adjusting end (42). The adjusting end (42) has an axial gap. The fixed end (41) is fixedly connected to the mounting groove (31) by bolts. A through hole (32) is provided on the lamp housing (3) at the position of the adjusting end (42) of the rotating shaft clamping block (4); Damping adjustment bolt (311) is screwed into the through hole (32) of the lamp housing (3), and its end passes through the adjustment end (42) of the rotating shaft clamping block (4). The adjustment end is provided with a lock nut (312). By tightening or loosening the damping adjustment bolt (311), the clamping force of the adjustment end (42) is changed, thereby adjusting the rotation damping of the rotating shaft clamping block (4) on the second joint arm (2).

2. The adjustable mechanism for joint damping adjustment of an oral lamp according to claim 1, characterized in that: The adjustment end (42) consists of an upper adjustment end (421) and a lower adjustment end (422). The upper adjustment end (421) extends outward and is provided with a threaded through hole. The upper adjustment end (421) is fixedly connected to the mounting groove (31) by a thread.

3. The adjustable mechanism for adjusting the joint damping of a dental lamp without disassembly, as described in claim 2, is characterized in that: The rotating shaft clamping block (4) is provided with a fastening plate (5).

4. The adjustable mechanism for adjusting the joint damping of a dental lamp without disassembly, as described in claim 3, is characterized in that: The fastening plate (5) is I-shaped, and threaded holes are provided at the four corners of the fastening plate (5). Two of the threaded holes of the fastening plate (5) correspond to the threaded holes of the upper adjustment end, and the other two threaded holes of the fastening plate (5) correspond to the threaded holes of the fixed end (41).

5. The adjustable mechanism for joint damping adjustment of an oral lamp according to claim 3, characterized in that: The lamp housing (3) has a sliding groove (33) on its outer side.

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