Inflatable chuck with anti-dropping function

CN224896448UActive Publication Date: 2026-10-27WUXI YANYOU MACHINERY CO LTD
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Patent Information

Application Number
CN202522184819.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-16
Publication Date
2026-10-27
Estimated Expiration
2035-10-16

AI Technical Summary

Technical Problem

[0003]在包括上述的专利或现有技术中,传统夹头通常通过螺栓固定健体,当需要对设备进行维护检修时,键体更换耗时较长,导致产线换型效率下降,最终导致生产效率低下和产品质量不稳定

Benefits of technology

(1)该充气夹头的卡接组件通过滑块、卡块与复位弹簧的协同作用,实现了凸块与安装块之间的快速安装与可靠固定,当凸块垂直插入时,其内壁与卡块的斜面接触产生导向力,迫使滑块向内滑动并压缩弹簧;当凸块完全就位后,弹簧的恢复力推动卡块精准嵌入卡槽,形成机械互锁,这一设计不仅简化了装配流程,还通过斜面的楔紧效应显著提升了抗拉性能,卡块直角面与卡槽垂直面的硬性止挡结合斜面的自紧特性,可动态增强咬合强度,防止意外脱开,此外,限位杆与限位槽的配合避免了滑块脱轨风险,进一步保障了长期使用中的稳定性,尤其适用于振动或负载频繁变动的工业场景;

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Abstract

The utility model discloses a kind of inflatable chuck with anti-drop function, including connecting disc, fixed disc is equipped on the connecting disc, connecting column is installed on the fixed disc, fixed column is installed on the connecting column, the outer circumferential surface of connecting column and fixed column is evenly opened with multiple groups of installation slot along axial direction, installation block is embedded in the installation slot, and lug is detachably installed on the installation block by clamping assembly. The utility model clamping assembly is through the synergies of slider, clamping block and reset spring, realize the quick installation and reliable fixing between lug and installation block, when lug is vertically inserted, its inner wall and the inclined surface of clamping block contact to produce guiding force, force slider to slide inwards and compress spring, after lug is completely in place, the restoring force of spring pushes clamping block to be accurately embedded in clamping slot, form mechanical interlock, not only simplify assembly process, still improve tensile property significantly through the wedge-tight effect of inclined surface, prevent accidental disconnection.
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Description

Technical Field

[0001] This utility model relates to the field of chuck technology, specifically an inflatable chuck with anti-detachment function. Background Technology

[0002] In the utility model patent application entitled "Clamping Head" with publication number CN 219254814 U, publication date June 27, 2023, this utility model discloses a clamping head, belonging to the field of clamping head technology. The key technical point of the cleaver is that it includes a clamping head body, a connecting mechanism, a clamping mechanism, and a sealing mechanism. The connecting mechanism is located at the right end of the clamping head body, the clamping mechanism is located at the outer end of the clamping head body, and the sealing mechanism is located at the inner end of the clamping mechanism. The sealing mechanism includes a clamping groove, a first sealing gasket, a second sealing gasket, and a third sealing gasket. The clamping groove is fixedly disposed at the left end of the clamping head body, and the first sealing gasket is fixedly installed at the inner end of the clamping groove. When the workpiece to be processed is placed inside the clamping slot, the first sealing gasket, the second sealing gasket, and the third sealing gasket are precisely positioned between the workpiece and the chuck body. This increases the friction between the workpiece and the chuck body, allowing the workpiece to be firmly clamped together. This improves the strength and stability of the chuck body when clamping the workpiece and prevents the workpiece from falling off.

[0003] In the aforementioned patents or prior art, traditional chucks typically use bolts to fix the key body. When equipment maintenance and repair are required, key body replacement takes a long time, leading to a decrease in production line changeover efficiency, and ultimately resulting in low production efficiency and unstable product quality. Utility Model Content

[0004] The purpose of this invention is to provide an inflatable chuck with anti-detachment function to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an inflatable clamp with anti-detachment function, including a connecting plate, a fixing plate on the connecting plate, a connecting post on the fixing plate, a fixing post on the connecting post, and multiple sets of mounting grooves evenly opened along the axial direction on the outer circumferential surfaces of the connecting post and the fixing post. A mounting block is embedded in the mounting groove, and a protrusion is detachably mounted on the mounting block through a snap-fit ​​component.

[0006] Furthermore, the snap-fit ​​assembly includes a groove formed on the mounting block, two sets of sliders are symmetrically slidably arranged in the groove, each set of sliders has a snap-fit ​​block fixedly provided at its opposite ends, a reset assembly is provided between the two sets of sliders, and a limiting assembly that cooperates with the inner wall of the groove is provided at the bottom end of the slider.

[0007] Furthermore, the protrusion has a through groove that mates with the mounting block, and the inner walls of the groove have slots at both ends for accommodating the mounting block.

[0008] Furthermore, the card block has a right-angled triangular structure, with its inclined surface facing the opening of the groove.

[0009] Furthermore, the reset component is a compression spring, with its two ends fixedly connected to the opposite surfaces of the two sets of sliders.

[0010] Furthermore, the limiting component includes limiting grooves symmetrically opened at both ends of the inner wall of the slide groove, and the bottom end of the slider is fixedly provided with a limiting rod that slides in cooperation with the limiting groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the inflatable chuck with anti-detachment function is reasonable and has the following advantages: (1) The snap-fit ​​assembly of the inflatable clamp achieves quick installation and reliable fixation between the protrusion and the mounting block through the synergistic action of the slider, the snap-fit ​​block and the return spring. When the protrusion is inserted vertically, its inner wall contacts the inclined surface of the snap-fit ​​block to generate a guiding force, which forces the slider to slide inward and compress the spring. When the protrusion is fully in place, the restoring force of the spring pushes the snap-fit ​​block to accurately embed into the slot, forming a mechanical interlock. This design not only simplifies the assembly process, but also significantly improves the tensile strength through the wedge effect of the inclined surface. The rigid stop of the right angle surface of the snap-fit ​​block and the vertical surface of the slot combined with the self-tightening characteristics of the inclined surface can dynamically enhance the biting strength and prevent accidental disengagement. In addition, the cooperation between the limit rod and the limit groove avoids the risk of the slider derailing and further ensures the stability in long-term use. It is especially suitable for industrial scenarios with frequent vibration or load changes. (2) The chuck adopts a split structure, and the protrusion is connected to the mounting block through a detachable snap-fit ​​component. Users can flexibly replace protrusions of different specifications or materials according to working conditions without replacing the entire chuck, which greatly reduces the cost of use. When disassembling, only external force needs to be applied to overcome the spring resistance to separate the protrusion. The operation is simple and does not damage the parts. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of the mounting block and protrusion combination of this utility model; Figure 3 This is a structural diagram showing the disassembled mounting block and protrusion of this utility model; Figure 4 This is a three-dimensional structural diagram of the protrusion of this utility model; Figure 5 This is a structural schematic diagram of the cross-section of the mounting block and protrusion of this utility model.

[0013] In the diagram: 100, connecting plate; 101, fixing plate; 102, connecting post; 103, fixing post; 200, mounting groove; 201, mounting block; 202, protrusion; 203, sliding groove; 204, slider; 205, locking block; 206, groove; 207, locking slot; 208, limiting groove; 209, limiting rod; 210, spring. Detailed Implementation

[0014] 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.

[0015] Please see Figure 1-5 The present invention provides a technical solution as follows: Example 1: An inflatable clamp with anti-detachment function includes a connecting plate 100, a fixing plate 101 on the connecting plate 100, a connecting post 102 on the fixing plate 101, and a fixing post 103 on the connecting post 102. Multiple sets of mounting grooves 200 are evenly opened along the axial direction on the outer peripheral surfaces of the connecting post 102 and the fixing post 103. Mounting blocks 201 are embedded in the mounting grooves 200, and protrusions 202 are detachably mounted on the mounting blocks 201 through snap-fit ​​components.

[0016] The snap-fit ​​assembly includes a groove 203 formed on the mounting block 201. Two sets of sliders 204 are symmetrically slidably arranged in the groove 203. Each set of sliders 204 has a locking block 205 fixedly provided at the opposite ends. A reset assembly is provided between the two sets of sliders 204. The bottom end of each slider 204 is provided with a limiting assembly that cooperates with the inner wall of the groove 203.

[0017] The protrusion 202 has a through groove 206 that mates with the mounting block 201, and the inner walls of the groove 206 have slots 207 at both ends for accommodating the locking block 205.

[0018] The card block 205 has a right-angled triangular structure, with its inclined surface facing the opening direction of the slide groove 203.

[0019] The reset component is a compression spring 210, with its two ends fixedly connected to the opposite surfaces of the two sets of sliders 204.

[0020] The limiting component includes limiting grooves 208 symmetrically opened at both ends of the inner wall of the slide groove 203, and the bottom end of the slider 204 is fixedly provided with a limiting rod 209 that slides and engages with the limiting grooves 208.

[0021] Working principle: When the protrusion 202 needs to be installed, the operator aligns the groove 206 of the protrusion 202 with the mounting block 201 and inserts it vertically. During insertion, the inner wall of the protrusion 202 first contacts the inclined surface of the locking block 205. With continuous downward pressure, the guiding effect of the inclined surface causes the two sets of sliders 204 to slide synchronously inward along the slide groove 203. At this time, the compression spring 210 is gradually compressed and stores energy. When the protrusion 202 is fully inserted, the locking block 205 automatically springs into the locking grooves 207 at both ends of the groove 206 under the restoring force of the spring 210, completing the mechanical interlock. Under normal working conditions, if the protrusion 202 is subjected to axial tension, the right-angled edge of the locking block 205 will form a mechanical stop with the vertical surface of the locking groove 207. The specially designed inclined surface structure will produce a wedge-tightening effect; the greater the tension, the tighter the engagement between the locking block 205 and the locking groove 207. The limiting rod 209 in the limiting groove 208 prevents the slider 204 from dislodging from the slide groove 203. When disassembly is required, simply apply sufficient external force to disengage the locking block 205 from the locking slot 207, slide the slider 204 inward, and compress the spring 210 again to remove the protrusion 202. After installation, inflate the device with gas to push the protrusion 202 out, thereby providing external support and fixation to the inside of the annular object.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An inflatable chuck with anti-detachment function, comprising a connecting disc (100), characterized in that: The connecting plate (100) is provided with a fixing plate (101), the fixing plate (101) is equipped with a connecting column (102), the connecting column (102) is equipped with a fixing column (103), the outer peripheral surfaces of the connecting column (102) and the fixing column (103) are evenly provided with multiple sets of mounting grooves (200) along the axial direction, the mounting grooves (200) are embedded with mounting blocks (201), and the mounting blocks (201) are detachably mounted with protrusions (202) through snap-fit ​​components.

2. An inflatable chuck with anti-detachment function according to claim 1, characterized in that: The snap-fit ​​assembly includes a groove (203) formed on the mounting block (201). Two sets of sliders (204) are symmetrically slidably arranged in the groove (203). Each set of sliders (204) has a locking block (205) fixedly provided at opposite ends. A reset assembly is provided between the two sets of sliders (204). The bottom end of each slider (204) is provided with a limiting assembly that cooperates with the inner wall of the groove (203).

3. An inflatable chuck with anti-detachment function according to claim 2, characterized in that: The protrusion (202) has a through groove (206) that mates with the mounting block (201), and the inner walls of the groove (206) have slots (207) at both ends for accommodating the card block (205).

4. An inflatable chuck with anti-detachment function according to claim 3, characterized in that: The card block (205) has a right-angled triangular structure, with its inclined surface facing the opening direction of the slide groove (203).

5. An inflatable chuck with anti-detachment function according to claim 4, characterized in that: The reset component is a compression spring (210), whose two ends are fixedly connected to the opposite surfaces of two sets of sliders (204).

6. An inflatable chuck with anti-detachment function according to claim 5, characterized in that: The limiting component includes limiting grooves (208) symmetrically opened at both ends of the inner wall of the slide groove (203), and the bottom end of the slider (204) is fixedly provided with a limiting rod (209) that slides and engages with the limiting groove (208).