Dental-arch-shaped U-shaped silicone rubber injection head
The unique structural design of the dental arch-shaped U-shaped silicone rubber injection head solves the problems of inconvenient operation and inaccurate injection of existing injection heads, realizing smooth flow and precise injection of silicone rubber, and improving ease of use and stability.
Patent Information
- Application Number
- CN202422654308.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing silicone rubber injection heads have complex structures and unreasonable flow channel designs, resulting in inconvenient operation and inaccurate injection.
The U-shaped silicone rubber head with an arched design includes a symmetrically interlocking shell and a raised snap-fit design, forming multiple flow channels that converge into a collection cavity via triangular blocks. Combined with a transparent outer cover, anti-slip texture, and anti-slip threads, it ensures smooth flow and precise injection of silicone rubber.
It improves the convenience and accuracy of silicone rubber injection, enhances the stability of use, facilitates the observation of the internal structural connections, and simplifies operation and maintenance.
Smart Images

Figure CN223930236U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oral injection technology, specifically to a dental arch-shaped U-shaped silicone rubber injection head. Background Technology
[0002] In the field of oral healthcare, silicone rubber is widely used in procedures such as dental restorations due to its excellent biocompatibility and plasticity. However, existing silicone rubber injection heads often suffer from problems such as complex structure, unreasonable flow channel design, and inconvenient operation.
[0003] To address these issues, a dental arch-shaped U-shaped silicone rubber injection head is provided. Through its unique structural design, it enables smooth flow and precise injection of silicone rubber, improving the convenience and accuracy of operation. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this invention provides a dental arch-shaped U-shaped silicone rubber injection head, which solves the problems mentioned in the background section.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0008] The U-shaped silicone rubber injection head includes two symmetrically interlocking shells. Each shell has several protruding snaps, and each snap has a silicone arc-shaped pad attached to it. Two protruding snaps connect to form a first flow channel, and two different protruding snaps connect to form a second flow channel. Inside the shell, the first and second flow channels converge into a third flow channel, which connects to one of the protruding snaps. The third flow channel is formed within the shell by a triangular block. The first, second, and third flow channels merge into a fourth flow channel, which connects to a collecting cavity. The collecting cavity is integrally formed with the shell. An external thread is provided on the outer wall of the shell at the collecting cavity location, and a bottom cover is threaded through this thread. A damping sleeve secures an outer cover to the bottom cover, and a spring is fixedly connected to one end of the outer cover. A handle is connected to one end of the spring.
[0009] Furthermore, the bottom cover is provided with a cross-shaped cutter.
[0010] Furthermore, the interior of the outer cover is provided with protrusions that are compatible with the cross-shaped knife, facilitating rotational installation and fitting.
[0011] Furthermore, the grip is provided with anti-slip threads.
[0012] Furthermore, the surface of the silicone arc-shaped pad is provided with anti-slip texture to enhance friction with external contact.
[0013] Furthermore, the outer cover is made of a transparent material, making it easy to observe the connections of the internal structure.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, this utility model provides a dental arch-shaped U-shaped silicone rubber injection head, which has the following characteristics:
[0016] Beneficial effects:
[0017] This utility model, through its unique flow channel design, including first, second, third, and fourth flow channels and a collection cavity, ensures smooth and efficient flow and collection of silicone rubber, improving injection accuracy. The anti-slip texture of the silicone arc pad and the anti-slip threads of the handle enhance stability during use. The transparent outer cover facilitates observation of internal connections, and the cross-shaped blade and related structures on the bottom cover facilitate operation and maintenance, thus improving the overall performance and practicality of the injection head. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the housing of this utility model;
[0020] Figure 3 This is a schematic diagram of the bottom cover structure of this utility model.
[0021] In the diagram: 1. Housing; 2. Raised snap-fit; 3. Silicone arc-shaped pad; 4. First flow channel; 5. Second flow channel; 6. Third flow channel; 7. Triangular block; 8. Fourth flow channel; 9. Gathering cavity; 10. External thread; 11. Bottom cover; 12. Cross-cutting tool; 13. Outer cover; 14. Spring; 15. Grip. Detailed Implementation
[0022] 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.
[0023] Example
[0024] like Figure 1-3As shown, an embodiment of the present invention provides a U-shaped silicone rubber injection head with an arched shape, comprising two symmetrically interlocking shells 1. Each shell 1 has a plurality of protruding buckles 2, and each protruding buckle 2 is fitted with a silicone arc-shaped pad 3. Two protruding buckles 2 are connected to form a first flow channel 4, and two different protruding buckles 2 are connected to form a second flow channel 5. Inside the shell 1, the first flow channel 4 and the second flow channel 5 converge to a third flow channel 6. The third flow channel 6 is connected to one of the protruding buckles 2 and is formed inside the shell 1 by a triangular block 7. The first flow channel 4, the second flow channel 5 and the third flow channel 6 converge to a fourth flow channel 8. The fourth flow channel 8 is connected to a collecting cavity 9, which is integrally formed with the shell 1. The outer wall of the shell 1 has an external thread 10 at the location of the collecting cavity 9, and a bottom cover 11 is threadedly connected to the bottom cover 11 through the external thread 10. An outer cover 13 is fixedly fitted on the bottom cover 11 with a damping sleeve. One end of the outer cover 13 is fixedly connected to a spring 14, and one end of the spring 14 is connected to a handle 15.
[0025] The housing 1 has two symmetrically fastened parts with several protruding buckles 2. The outer wall has an external thread 10 at the position of the collecting cavity 9, which is integrally formed with the collecting cavity 9.
[0026] Function: The symmetrical fastening forms an integral structure. The protruding buckle 2 is used to connect the silicone arc-shaped pad 3 and form a flow channel. The external thread 10 is used to connect the bottom cover 11. The collecting cavity 9 is used to collect silicone rubber.
[0027] The protruding buckles 2 are distributed on the housing 1 and are used for connection.
[0028] Function: Two connections form the first flow channel 4, two different connections form the second flow channel 5, and a third flow channel 6 is also connected, and it is used to snap on the silicone arc pad 3.
[0029] The silicone arc-shaped pad 3 is snapped onto the protruding buckle 2, and its surface has anti-slip texture.
[0030] Function: To enhance friction with external contact and to provide stability or sealing during injection.
[0031] First flow channel 4, second flow channel 5, third flow channel 6, fourth flow channel 8
[0032] Structural design features: It is formed by the connection of protruding buckles 2, the third flow channel 6 is formed by triangular blocks 7, and finally merges into the fourth flow channel 8 and connects to the collection cavity 9.
[0033] Function: To enable the sequential flow and convergence of silicone rubber, ensuring that the silicone rubber can smoothly enter the collection chamber 9.
[0034] Triangular block 7 is used to form the third flow channel 6 inside the shell 1.
[0035] Function: To determine the shape and path of the third flow channel 6.
[0036] The collecting cavity 9 is integrally formed with the shell 1 and is connected to the fourth flow channel 8.
[0037] Function: To collect silicone rubber in preparation for subsequent injection.
[0038] The bottom cover 11 is connected to the housing 1 by external thread 10, and is provided with a cross-shaped cutter 12. The damping sleeve is used to fix the outer cover 13.
[0039] Function: To seal the bottom of the collection chamber 9, the cross-shaped cutter 12 is used for operation, and to fix the outer cover 13.
[0040] A cross-shaped cutter 12 is mounted on the bottom cover 11.
[0041] Function: Used to open or adjust the functions related to the bottom cover 11.
[0042] The outer cover 13 is damped and fitted onto the bottom cover 11. It has protrusions inside that are compatible with the cross-shaped knife 12. One end is fixedly connected to a spring 14, which is made of transparent material.
[0043] Function: To protect the internal structure, facilitate rotational installation and connection, and make it easy to observe the connection status of the internal structure.
[0044] Spring 14 is connected to the outer cover 13 at one end and to the handle 15 at the other end.
[0045] Function: Provides elastic force, and plays a role in buffering or assisting operation during operation.
[0046] The handle 15 is connected to the spring 14 and has anti-slip threads 16.
[0047] Function: Makes it easy for users to hold, and the anti-slip threads enhance the stability of the grip.
[0048] First, the first flow channel 4 and the second flow channel 5, formed by the protrusion buckles 2 on the shell 1, converge inside the shell 1 to the third flow channel 6, which is formed by the triangular block 7 and connected to one of the protrusion buckles 2. Then, the first flow channel 4, the second flow channel 5 and the third flow channel 6 merge into the fourth flow channel 8. The fourth flow channel 8 connects to the collecting cavity 9 integrally formed with the shell 1. When injection is required, the relevant operation can be performed through the bottom cover 11 with a cross-shaped knife 12. The bottom cover 11 is connected to the shell 1 through the external thread 10 and is fixed with a damping sleeve and an outer cover 13. One end of the outer cover 13 is connected to a spring 14, and the other end of the spring 14 is connected to a handle 15 with anti-slip threads 16. The user operates through the handle 15. The outer cover 13 is made of transparent material so that the internal situation can be observed. The silicone arc pad 3 is snapped onto the protrusion buckles 2. Its surface anti-slip texture can enhance the friction with the outside. The whole process achieves smooth flow and precise injection of silicone rubber through the synergistic effect of various structures.
[0049] like Figure 3 As shown, in some embodiments, the bottom cover 11 is provided with a cross-shaped cutter 12; when it is necessary to clean the collection cavity 9 or maintain the internal structure, the bottom cover 11 can be rotated more easily by using the tool in conjunction with the cross-shaped cutter 12 to separate it from the housing 1 or adjust the tightness of its connection.
[0050] like Figure 3 As shown, in some embodiments, the outer cover 13 has protrusions inside that are adapted to the cross-shaped cutter 12, facilitating rotational installation and fitting. During installation, the outer cover 13 is fitted onto the bottom cover 11, aligning the internal protrusions with the cross-shaped cutter 12. Because the protrusions are adapted to the shape of the cross-shaped cutter 12, the outer cover 13 can be accurately fitted onto the bottom cover 11.
[0051] like Figure 1 As shown, in some embodiments, the grip 15 is provided with anti-slip threads 16; the anti-slip threads 16 are provided on the grip 15, and their main purpose is to increase the friction between the user's hand and the grip 15.
[0052] like Figure 1 As shown, in some embodiments, the surface of the silicone arc-shaped pad 3 is provided with anti-slip texture to enhance the friction when in contact with the outside; the purpose of providing anti-slip texture on the surface of the silicone arc-shaped pad 3 is to enhance its friction when in contact with the outside.
[0053] like Figure 1 As shown, in some embodiments, the outer cover 13 is made of transparent material to facilitate observation of the connection of the internal structure; the outer cover 13 is made of transparent material mainly to facilitate the user to directly observe the connection of the internal structure during operation.
[0054] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A dental arch-shaped U-shaped silicone rubber injection head, comprising two symmetrically interlocking shells (1), characterized in that: The housing (1) is provided with a plurality of protruding buckles (2), and a silicone arc-shaped pad (3) is snapped onto each protruding buckle (2). Two protruding buckles (2) are connected to form a first flow channel (4), and two different protruding buckles (2) are connected to form a second flow channel (5). Inside the housing (1), the first flow channel (4) and the second flow channel (5) converge into a third flow channel (6). The third flow channel (6) is connected to one of the protruding buckles (2). The third flow channel (6) is formed inside the housing (1) by a triangular block (7). The first flow channel (4) The second flow channel (5) and the third flow channel (6) merge into the fourth flow channel (8). The fourth flow channel (8) connects to the collecting cavity (9). The collecting cavity (9) is integrally formed with the shell (1). The outer wall of the shell (1) is provided with an external thread (10) at the location of the collecting cavity (9). The bottom cover (11) is threaded through the external thread (10). The bottom cover (11) is fixedly fitted with a damping sleeve and an outer cover (13). One end of the outer cover (13) is fixedly connected to a spring (14). One end of the spring (14) is connected to a handle (15).
2. The dental arch-shaped U-shaped silicone rubber injection head according to claim 1, characterized in that: The bottom cover (11) is provided with a cross-shaped cutter (12).
3. The dental arch-shaped U-shaped silicone rubber injection head according to claim 2, characterized in that: The outer cover (13) has protrusions inside that are compatible with the cross-shaped knife (12), which facilitates rotational installation and connection.
4. The dental arch-shaped U-shaped silicone rubber injection head according to claim 1, characterized in that: The grip (15) is provided with anti-slip threads (16).
5. The dental arch-shaped U-shaped silicone rubber injection head according to claim 1, characterized in that: The surface of the silicone arc-shaped pad (3) is provided with anti-slip texture to enhance the friction with the outside.
6. The dental arch-shaped U-shaped silicone rubber injection head according to claim 1, characterized in that: The outer cover (13) is made of transparent material, which makes it easy to observe the connection of the internal structure.