A laser seal ring
By designing laser sealing rings with structures such as closed grooves, adjustment holes, adjustment rods, and blocking blocks, the problem of sealing rings losing elasticity due to aging has been solved, achieving long-term sealing effect and removable maintenance, thus extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HUAHU IND TECHNOLOGY CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-06-12
AI Technical Summary
Existing sealing rings are prone to aging and loss of elasticity after prolonged use, resulting in a failure to secure tightly and effectively protect the laser head.
A laser sealing ring comprising a sealing ring body and a sealing assembly is designed. The sealing assembly includes a sealing groove, an adjustment hole, an adjustment rod, and a sealing block. The sealing block is moved and clamped by an inclined structure. Combined with a blocking block and a toothed structure, a detachable long-term sealing effect is achieved.
The sealing ring ensures that the laser head remains tightly clamped during long-term use, preventing leakage of gas, liquid and impurities. The blocking block is also removable and replaceable, extending its service life.
Smart Images

Figure CN224352378U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lasers, and in particular to a laser sealing ring. Background Technology
[0002] Laser head sealing rings are key components in laser equipment (such as laser cutting machines, laser engraving machines, etc.). They are mainly used to protect optical lenses, prevent dust and contaminants from entering, and ensure the transmission efficiency of the laser beam. Their core functions include sealing against dust, high temperature resistance, corrosion resistance, and reducing friction and wear.
[0003] Currently, sealing rings are generally fitted onto the laser head to protect it. However, these sealing rings are typically made of rubber and are elastic. They can be installed by their own elasticity, but after prolonged use, they age and lose their elasticity, causing them to no longer fit tightly against the laser head for protection. Therefore, a new type of laser sealing ring is needed to solve this problem. Utility Model Content
[0004] The purpose of this invention is to provide a laser sealing ring that solves the problem that current sealing rings are prone to aging and loss of elasticity, resulting in an inability to securely fix the device.
[0005] To achieve this objective, the present invention adopts the following technical solution:
[0006] A laser sealing ring, comprising:
[0007] Sealing ring body;
[0008] A sealing assembly includes a sealing groove formed on the inner ring of the sealing ring body and an adjustment hole formed on one side of the sealing ring body near the top and bottom. The adjustment hole communicates with the sealing groove. Two sealing blocks are movable inside the sealing groove. An adjustment rod is movable inside the adjustment hole. An adjustment block is fixedly provided on one side of the adjustment rod. The adjustment rod is movably connected to the adjustment block.
[0009] Furthermore, both of the enclosing blocks are configured as semi-circular ring structures, and the two enclosing blocks are arranged opposite each other.
[0010] Furthermore, the joint between the adjusting block and the adjusting rod is designed as an inclined structure.
[0011] Furthermore, an annular groove is provided on one side of the inner ring of the sealing ring body, and a blocking block with an annular structure is provided inside the annular groove.
[0012] Furthermore, both the inner wall of the annular groove and the outer ring of the blocking block are provided with locking teeth, and the locking teeth of the inner wall of the annular groove and the blocking block mesh with each other.
[0013] Furthermore, the inner ring of the blocking block is provided with a pull hole.
[0014] Furthermore, both the blocking block and the closing block are configured as flexible structures.
[0015] Furthermore, the sealing ring body has an installation groove on one side of the adjustment hole, the installation groove is circumferentially opened along the center of the sealing ring body, and the sealing ring body has reinforcing grooves at both the inner and outer rings of the installation groove.
[0016] Furthermore, a fixing block is fixedly provided on the inner wall of the reinforcing groove, a pressing block is provided on the inner wall of the mounting groove, and a spring is fixedly provided between the pressing block and the fixing block.
[0017] Furthermore, the middle part of the sealing ring body is set as an opening.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. Through the sealing ring body and the sealing component, when the sealing ring body is fitted onto the laser head, the output end of the laser head enters the ring opening, causing the outer edge of the laser head to press against the adjusting rod. After being pushed, the adjusting rod will move laterally. Since the joint between the adjusting block and the adjusting rod is an inclined structure, when the adjusting rod moves laterally, it can push the vertical adjusting block. The vertical adjusting block will then drive the sealing block to move. The two sealing blocks move out from the sealing groove, clamping the laser head and sealing the laser head from the outside world. This allows the sealing blocks to be clamped on the laser head for a long time without losing elasticity due to aging and falling off.
[0020] 2. By using the blocking block and the locking teeth, the blocking block can be made to maintain its sealing effect during long-term use. Since the blocking block is located on the outside and always fits against the outer surface of the laser head, if the blocking block is damaged, it will lose its sealing effect. In this case, the blocking block can be disassembled and replaced, without replacing the entire sealing ring body. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0023] Figure 1 This is a schematic diagram of the overall frontal sectional view;
[0024] Figure 2 This is a three-dimensional schematic diagram of the whole system;
[0025] Figure 3 for Figure 1 Enlarged view of point A in the middle;
[0026] Figure 4 for Figure 1 Enlarged diagram of point B in the middle.
[0027] Illustration: 1. Sealing ring body; 101. Ring opening; 2. Mounting groove; 3. Reinforcing groove; 4. Fixing block; 5. Spring; 6. Compression block; 7. Blocking block; 701. Clamping tooth; 8. Adjustment hole; 801. Sealing groove; 9. Sealing block; 901. Adjustment block; 10. Adjustment rod. Detailed Implementation
[0028] To make the utility model's objectives, features, and advantages more apparent and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below 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 skilled in the art without creative effort are within the scope of protection of the present utility model.
[0029] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component centrally located at the same time.
[0030] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0031] W represents the exterior of the sealing ring body 1 (laser head), and H represents the interior of the sealing ring body 1 (laser head).
[0032] This utility model embodiment provides a laser sealing ring; please refer to [link / reference]. Figure 1 , Figure 2 and Figure 4 The sealing ring includes a sealing ring body and a sealing assembly. The sealing assembly includes a sealing groove on the inner ring of the sealing ring body and an adjustment hole on one side of the sealing ring body near the top and bottom. The adjustment hole communicates with the sealing groove. There are two sealing blocks inside the sealing groove. An adjustment rod is movable inside the adjustment hole. An adjustment block is fixed on one side of the adjustment rod. The adjustment rod is movably connected to the adjustment block.
[0033] like Figure 1 , Figure 2 and Figure 4 As shown, the sealing ring body serves as the basic structure of the entire laser sealing ring, providing a carrier for the installation and support of other components, acting as an overall frame, and ensuring that the sealing ring can be stably installed in the corresponding position of the laser.
[0034] The sealing groove provides space for the sealing block to be installed and moved, allowing it to move within the groove to achieve sealing or opening functions. The adjustment hole provides a channel for the adjustment rod to be installed and moved, allowing the adjustment rod to interact with the adjustment block in the sealing groove through the adjustment hole, thereby controlling the movement of the sealing block. Under the action of the adjustment rod, the two semi-circular sealing blocks move relative to each other, realizing the opening or closing of the inner ring of the sealing ring, thereby controlling the connection or isolation between the laser's interior and the external environment. The semi-circular structure design allows the two sealing blocks to be perfectly spliced into a complete ring, providing good sealing performance in the closed state, effectively preventing the leakage of gases, liquids, etc. inside the laser, while also preventing external impurities from entering the laser's interior, ensuring the normal operation of the laser.
[0035] The adjusting rod, as an operating component, moves within the adjusting hole, thereby driving the adjusting block to move and controlling the position of the sealing block, thus adjusting the sealing state of the sealing ring. The adjusting block, as a transmission component between the adjusting rod and the sealing block, transmits the movement of the adjusting rod to the sealing block, enabling the sealing block to move in a predetermined manner. The adjusting rod is located on one side inside the sealing ring body.
[0036] Operation process: When the sealing ring body is installed on the laser head, the laser head presses the adjusting rod. The movement of the adjusting rod drives the adjusting block that is movably connected to it to move. Since the adjusting block is fixed on the sealing block, the sealing block will also move in the sealing groove. The two opposing semi-circular sealing blocks gradually close under the action of the adjusting rod, so that the two sealing blocks gradually approach each other and finally splice into a complete ring, realizing the sealing of the inner ring of the sealing ring body and isolating the inside of the laser from the external environment.
[0037] Please continue reading. Figure 1 , Figure 2 and Figure 4 Both closed blocks are set as semi-circular ring structures, and the two closed blocks are set opposite each other. The joint between the adjusting block and the adjusting rod is set as an inclined structure.
[0038] like Figure 1 , Figure 2 and Figure 4 As shown, the two opposing semi-circular sealing blocks can be spliced into a complete ring when closed, thus tightly fitting the outer surface of the component (such as a specific shaft or pipe in a laser) surrounded by the inner ring of the sealing ring body, effectively preventing the exchange of substances between the inside and outside of the laser, including impurities such as gas, liquid and dust, and playing a sealing and isolation role.
[0039] When the adjusting rod moves linearly within the adjusting hole, its inclined structure works in conjunction with the inclined structure of the adjusting block to convert the linear motion of the adjusting rod into a component force of the adjusting block perpendicular to the direction of the adjusting rod's motion. This force drives the adjusting block to move the closing block within the closing groove. This connection of inclined structures enables the conversion of the direction of motion and the mode of power transmission, allowing the complex motion of the closing block to be controlled through simple linear operation.
[0040] Please continue reading. Figure 1 , Figure 2 and Figure 4 The inner ring of the sealing ring has an annular groove on one side. Inside the annular groove is a blocking block with an annular structure. Both the inner wall of the annular groove and the outer ring of the blocking block are provided with retaining teeth. The retaining teeth of the inner wall of the annular groove and the blocking block mesh with each other. The inner ring of the blocking block is provided with a pull hole.
[0041] like Figure 1 , Figure 2 and Figure 4 As shown, the blocking block is set in the annular groove and works with the sealing ring body to form multiple sealing defenses. The blocking block can play a blocking role, preventing the medium from leaking directly through the gap between the sealing ring body and the sealed part, thus further improving the sealing effect.
[0042] The meshing of the teeth increases the contact area and friction between the blocking block and the inner wall of the annular groove, making the connection between the two tighter and allowing the blocking block to form a detachable connection. When the blocking block is damaged, it can be disassembled and replaced with a new one. When the blocking block needs to be replaced or repaired, the pull hole provides the operator with a convenient point of leverage. The operator can use a special tool (such as a pull hook) to insert into the pull hole and apply pulling force to easily pull the blocking block out of the annular groove, greatly simplifying the disassembly process.
[0043] Please continue reading. Figure 1 , Figure 2 and Figure 4 Both the blocking blocks and the closing blocks are designed as flexible structures.
[0044] like Figure 1 , Figure 2 and Figure 4 As shown.
[0045] Please see Figures 1-3 The sealing ring body has an installation groove on one side of the adjustment hole. The installation groove is circumferentially opened along the center of the sealing ring body. Reinforcing grooves are opened inside the sealing ring body at both the inner and outer rings of the installation groove. A fixing block is fixed on the inner wall of the reinforcing groove. A squeezing block is provided on the inner wall of the installation groove. A spring is fixed between the squeezing block and the fixing block.
[0046] like Figures 1-3 As shown.
[0047] Please see Figure 1 and Figure 2 The middle part of the sealing ring body is set as the opening.
[0048] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A laser sealing ring, characterized in that, include: Sealing ring body; A sealing assembly includes a sealing groove formed on the inner ring of the sealing ring body and an adjustment hole formed on one side of the sealing ring body near the top and bottom. The adjustment hole communicates with the sealing groove. Two sealing blocks are movable inside the sealing groove. An adjustment rod is movable inside the adjustment hole. An adjustment block is fixedly provided on one side of the adjustment rod. The adjustment rod is movably connected to the adjustment block.
2. The laser sealing ring according to claim 1, characterized in that, Both of the enclosed blocks are configured as semi-circular ring structures, and the two enclosed blocks are arranged opposite each other.
3. A laser sealing ring according to claim 1, characterized in that, The joint between the adjusting block and the adjusting rod is designed to be inclined.
4. A laser sealing ring according to claim 1, characterized in that, A groove is provided on one side of the inner ring of the sealing ring body, and a blocking block with an annular structure is provided inside the groove.
5. A laser sealing ring according to claim 4, characterized in that, Both the inner wall of the annular groove and the outer ring of the blocking block are provided with locking teeth, and the locking teeth of the inner wall of the annular groove and the blocking block mesh with each other.
6. A laser sealing ring according to claim 4, characterized in that, The inner ring of the blocking block has a pull hole.
7. A laser sealing ring according to claim 4, characterized in that, Both the blocking block and the closing block are configured as flexible structures.
8. A laser sealing ring according to claim 1, characterized in that, The sealing ring body has an installation groove on one side of the adjustment hole. The installation groove is circumferentially opened along the center of the sealing ring body. Reinforcing grooves are opened inside the sealing ring body at both the inner and outer rings of the installation groove.
9. A laser sealing ring according to claim 8, characterized in that, A fixing block is fixed to the inner wall of the reinforcing groove, and a pressing block is provided on the inner wall of the mounting groove. A spring is fixed between the pressing block and the fixing block.
10. A laser sealing ring according to claim 1, characterized in that, The middle part of the sealing ring body is set as an opening.