Inner supporting device

Abstract

The utility model relates to the technical field of supporting, and provides an inner supporting device. The inner supporting device comprises a driving assembly, a plurality of telescopic assemblies, a supporting piece and a pressure sensing unit. The multiple telescopic assemblies are arranged on the periphery of the driving assembly at intervals, and the telescopic assemblies are driven by the driving assembly to stretch out and draw back in the radial direction of the driving assembly; the supporting piece is arranged at the end, away from the driving assembly, of the telescopic assembly and driven by the telescopic assembly to reciprocate in the radial direction of the driving assembly. The pressure sensing unit is arranged on the side, making contact with the target object, of the supporting piece and electrically connected with the driving assembly, the pressure sensing unit is used for detecting pressure between the supporting piece and the target object, and the driving assembly controls the telescopic distance of the telescopic assembly according to data of the pressure. According to the inner supporting device, the defect that an inner supporting device in the prior art cannot be adaptively adjusted according to the structure and the size of a product is overcome, and the inner supporting device can be adaptively adjusted according to the structure and the size of the product.

Description

TECHNICAL FIELD

[0001] The utility model relates to support technical field especially relates to an inner support device. BACKGROUND

[0002] The inner support device is generally applied to the inner surface support of annular products, and the role is to prevent the inner surface from being extruded and deformed by the outside. In the aspect of structural design, a special inner lining structure is designed according to the shape characteristics of the support surface. The existing inner support device cannot be adaptively adjusted according to the structure and size of the product. Once the product structure or size changes, the special inner lining device that is adapted to the new product structure or size must be re-designed and processed, which brings additional processing period and cost to product production and manufacturing. SUMMARY

[0003] The utility model provides a kind of inner support device, to solve the defect that some inner support devices in prior art cannot be adaptively adjusted according to the structure and size of product, realize a kind of inner support device that can be adaptively adjusted according to the structure and size of product.

[0004] The utility model provides a kind of inner support device, comprising:

[0005] A driving assembly is provided.

[0006] A plurality of telescopic assemblies are arranged at intervals on the outer periphery of the driving assembly.

[0007] A support member is arranged at one end of the telescopic assembly away from the driving assembly.

[0008] A pressure sensing unit is arranged on the side of the support member in contact with the target object and is electrically connected to the driving assembly.

[0009] The driving assembly comprises:

[0010] A support member is arranged at one end of the telescopic assembly away from the driving assembly.

[0011] A motor is arranged at the first end of the support member.

[0012] A bidirectional threaded rod is rotatably connected to the second end of the support component at one end and is drivingly connected to the motor at the other end, and the bidirectional threaded rod comprises a first threaded portion and a second threaded portion arranged at intervals, and the first threaded portion and the second threaded portion are opposite in screw rotation direction.

[0013] According to the internal support device, the support component comprises:

[0014] A motor seat is arranged at intervals from the motor seat;

[0015] A base is arranged at intervals from the motor seat;

[0016] A plurality of guide rods are arranged at intervals between the motor seat and the base.

[0017] According to the internal support device, the telescopic assembly comprises:

[0018] At least two sliding blocks are threadedly connected to the first threaded portion and the second threaded portion in a one-to-one correspondence, and the two sliding blocks are both penetrated through the guide rods and are slidingly connected to the guide rods;

[0019] A first telescopic component is hingedly connected to one of the sliding blocks at one end;

[0020] A second telescopic component is arranged in cross with the first telescopic component, and the two components are rotatable relative to the cross portion, and the second telescopic component is hingedly connected to the other sliding block at one end;

[0021] A limiting rod is arranged on the side of the support component facing the telescopic assembly, one end of the limiting rod is provided with a sliding groove, one of the first telescopic component and the second telescopic component is slidingly connected to the sliding groove, and the other of the first telescopic component and the second telescopic component is hingedly connected to the other end of the limiting rod.

[0022] According to the internal support device, the shape of the side of the support component contacting the target object comprises at least one of a plane and a curved surface.

[0023] According to the internal support device, the first telescopic component comprises at least two first hinge components, the two first hinge components are arranged in sequence in the thickness direction and are detachable, and the middle portions of the two first hinge components are both provided with first hinge holes.

[0024] The second telescopic component comprises at least two second hinge pieces, the two second hinge pieces are detachably arranged in sequence along the thickness direction of the second telescopic component, the middle part of each of the two second hinge pieces is provided with a second hinge hole, the second hinge hole is arranged in correspondence with the first hinge hole, an avoiding space is arranged between the two second hinge pieces, and the two first hinge pieces are hinged with the two second hinge pieces through the avoiding space.

[0025] According to the internal support device, the plurality of hinge parts and the plurality of limiting parts are arranged on the outer part of the sliding block body in a spaced manner, the limiting part is arranged in a staggered manner with the hinge part, and the threaded hole is arranged in the middle of the sliding block body.

[0026] According to the internal support device, the hinge part and the telescopic assembly are arranged in one-to-one correspondence.

[0027] According to the internal support device, the limiting part and the guide rod are arranged in one-to-one correspondence.

[0028] According to the internal support device, the telescopic assembly is arranged in a circumferential array on the outer periphery of the driving assembly.

[0029] The internal support device provided by the utility model continuously monitors the pressure change between the support part and the target object through the pressure sensing unit, and constantly feeds back the information to the driving assembly, forming a closed-loop control system. In this way, by dynamically adjusting the position of the telescopic assembly, the internal support device can automatically adapt to target objects of different sizes and shapes, ensuring that appropriate support force is always provided without damaging the target object. This adaptive control mechanism based on real-time feedback effectively solves the problem that traditional internal support devices need to be redesigned for each specific product, improving the versatility and production efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0031] Figure 1 It is a three-dimensional view of the internal support device provided by the utility model;

[0032] Figure 2 It is a schematic view of the internal structure of the internal support device provided by the utility model;

[0033] Figure 3is a sectional view of the internal support device provided by the utility model;

[0034] Figure 4 is a structural schematic view of the support component of the internal support device provided by the utility model;

[0035] Figure 5 is an assembly schematic view of the first telescopic component and the second telescopic component of the internal support device provided by the utility model;

[0036] Figure 6 is a structural schematic view of the sliding block of the internal support device provided by the utility model.

[0037] Reference signs:

[0038] 100: telescopic assembly, 110: sliding block, 111: sliding block body, 112: hinged part, 113: limiting part, 114: threaded hole, 120: first telescopic component, 121: first hinged piece, 130: second telescopic component, 131: second hinged piece, 140: limiting rod, 141: sliding groove;

[0039] 200: support piece;

[0040] 300: driving assembly, 310: motor, 320: bidirectional threaded rod, 330: support component, 331: motor base, 332: guide rod, 333: base. DETAILED DESCRIPTION

[0041] In order that the object, technical scheme and advantages of the utility model are more clear, the technical scheme in the utility model will be clearly and completely described below in combination with the drawings in the utility model, obviously, the described embodiments are a part of embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor all belong to the protection scope of the utility model.

[0042] The structure and working principle of the utility model will be described below in combination with Figures 1-6

[0043] Refer to Figure 1 ​The utility model provides a kind of internal support device including multiple telescopic components 100, support piece 200, drive assembly 300 and pressure sensing unit. Among them, multiple telescopic components 100 are spaced apart at the outer periphery of drive assembly 300. Specifically, telescopic component 100 can be arranged in circumferential array at the outer periphery of drive assembly 300. Telescopic component 100 is driven by drive assembly 300, and telescopic component 100 is telescopic along the radial direction of drive assembly 300;Support piece 200 is arranged at the end of telescopic component 100 away from drive assembly 300, and support piece 200 is reciprocated along the radial direction of drive assembly 300 under the drive of telescopic component 100;Pressure sensing unit is arranged on the side of support piece 200 in contact with target object, and is electrically connected with drive assembly 300, and pressure sensing unit is used to detect the pressure between support piece 200 and target object, and the data of pressure is transmitted to drive assembly 300, and drive assembly 300 controls the telescopic distance of telescopic component 100 according to the data of pressure.

[0044] In the above structure, when the target object needs to be supported (it needs to be indicated that the utility model is mainly used to support tubular object from inside), the utility model can be placed in the inside of target object. Then support piece 200 is driven by drive assembly 300 to expand outward until support piece 200 is supported on the inner wall of target object. At this time, pressure sensing unit detects the initial contact pressure between support piece 200 and target object, and the data is transmitted to drive assembly 300 in real time.

[0045] Drive assembly 300 determines the movement direction and distance of telescopic component 100 according to the received pressure data. If the current pressure value is lower than the preset safety threshold, it indicates that the supporting force is insufficient or has not reached the optimal supporting state, then drive assembly 300 will instruct telescopic component 100 to expand outward, increase the pressure of support piece 200 on target object until the set standard is reached. On the contrary, if the detected pressure exceeds the safety range, it means that there is a risk of excessive extrusion, and drive assembly 300 will command telescopic component 100 to retract, to reduce the pressure applied to target object.

[0046] During the whole process, pressure sensing unit continuously monitors the pressure change between support piece 200 and target object, and constantly feeds back these information to drive assembly 300, forming a closed-loop control system. In this way, by dynamically adjusting the position of telescopic component 100, internal support device can automatically adapt to target objects of different sizes and shapes, and ensure that appropriate supporting force is always provided without damaging target object. This self-adaptive control mechanism based on real-time feedback effectively solves the problem that traditional internal support device needs to be redesigned for each specific product, improves the universality and production efficiency of equipment.

[0047] Reference Figure 2 And Figure 3In some embodiments of the utility model, drive assembly 300 includes motor 310, two -way threaded rod 320 and support component 330. Among them, motor 310 is located at the first end of support component 330;Two -way threaded rod 320 one end is rotationally connected with the second end of support component 330, and the other end is transmission connection with motor 310, and two -way threaded rod 320 includes the first threaded portion and the second threaded portion of interval arrangement, and the thread rotation direction of first threaded portion and second threaded portion is opposite.

[0048] Telescopic assembly 100 includes at least two sliders 110, first telescopic component 120, second telescopic component 130 and defining rod 140. Among them, two sliders 110 are in one-to-one correspondence threadedly connected to the first threaded portion and the second threaded portion, and two sliders 110 are all through guide rod 332 and are slidably connected;First telescopic component 120 one end is hinged with one slider 110;Second telescopic component 130 is crossly arranged with first telescopic component 120, and both can rotate relative to the intersection, and one end of second telescopic component 130 is hinged with another slider 110;Defining rod 140 is located at the side of support piece 200 towards telescopic assembly 100, and the one end of defining rod 140 is provided with sliding groove 141, and one of first telescopic component 120 and second telescopic component 130 is slidably connected with sliding groove 141, and the other of first telescopic component 120 and second telescopic component 130 is hinged with the other end of defining rod 140.

[0049] In the above structure, motor 310 can be a stepper motor or a servo motor. When motor 310 starts, it drives two -way threaded rod 320 to rotate. Because two -way threaded rod 320 has the first threaded portion and the second threaded portion with opposite rotation directions, this makes two sliders 110 can move relatively or oppositely along two -way threaded rod 320. With the movement of slider 110, first telescopic component 120 and second telescopic component 130 expand or shrink around their hinge points and intersection, thereby pushing or pulling support piece 200 to expand radially outward or shrink inward. The sliding groove 141 on the defining rod 140 ensures the stability and accuracy of the first telescopic component 120 and the second telescopic component 130, so that it can provide uniform support force at different positions.

[0050] This design solves the problem of poor adaptability of traditional internal support devices. Through the coordinated work of the motor 310, the bidirectional threaded rod 320 and the telescopic assembly 100, the device can quickly and accurately adjust the position of the support 200 to adapt to target objects of different sizes and shapes. Without the need to redesign and manufacture new special internal lining devices, the additional processing cycle and cost caused by product changes are significantly reduced. In addition, the pressure control system based on real-time feedback ensures effective support for the target object, avoiding the risk of excessive extrusion or insufficient support, improving production efficiency and flexibility. The whole system realizes automatic adjustment through the effective combination of mechanical structure and electronic control, enhancing the universality and adaptability of the equipment.

[0051] Referring to Figure 4 In some embodiments of the present application, the support component 330 includes a motor seat 331, a plurality of guide rods 332 and a base 333. The motor seat 331 is used to install the motor 310; the base 333 is arranged in a spaced manner with the motor seat 331; the plurality of guide rods 332 are arranged in a spaced manner between the motor seat 331 and the base 333.

[0052] Specifically, the motor seat 331 is an L-shaped structure, that is, it includes a side plate and a bottom plate, and a rotating hole is arranged in the middle of the bottom plate. The rotating hole is used to facilitate the output shaft of the motor 310 to penetrate and connect with the bidirectional threaded rod 320. Or it is convenient for the bidirectional threaded rod 320 to penetrate and connect with the output shaft of the motor 310. The guide rods 332 can be connected with the motor seat 331 and the base 333 by plug-in or bolt connection.

[0053] In the above structure, the motor seat 331 provides a stable mounting basis for the motor 310, ensuring that the motor 310 remains stable during operation and avoiding position deviation caused by vibration or other factors. The base 333 is arranged in a spaced manner with the motor seat 331, forming a solid overall frame and enhancing the rigidity and stability of the entire device. The plurality of guide rods 332 are evenly distributed between the motor seat 331 and the base 333, not only providing an accurate guide path for the slider 110, but also significantly enhancing the anti-deformation ability of the overall structure, so that the system can operate stably under high load.

[0054] The guide rods 332 ensure that the slider 110 moves smoothly along the predetermined straight line path when the bidirectional threaded rod 320 rotates, thereby improving the action accuracy of the telescopic assembly 100. This design eliminates errors caused by unstable movement of the slider 110, ensuring that the support 200 provides accurate and consistent support force to the target object. In addition, the guide rods 332 enhance the overall rigidity of the system, reducing the possibility of shaking or deviation during operation, further improving the reliability and durability of the equipment.

[0055] Referring toFigure 1 In some embodiments of the present application, the side of the support member 200 that contacts the target object can be provided with at least one of a flat surface and an arc surface. This design allows the support member 200 to better adapt to target objects of different shapes and surface characteristics, providing more effective support.

[0056] In the above structure, when the support member 200 has a flat shape, it can provide uniform support force, suitable for flat or nearly flat target object surfaces, ensuring maximum contact area to distribute pressure and avoid local overload. This design is particularly suitable for application scenarios that require large-area uniform support, such as the fixation and support of flat panel products.

[0057] On the other hand, when the support member 200 adopts an arc surface shape, it can better fit the curved surface of the target object, such as cylindrical or spherical products. The arc surface design increases the adaptability of the contact points, reduces the problem of pressure concentration caused by shape mismatch, and improves the stability and reliability of the support. In addition, the arc surface can also be customized according to different curvatures to meet the needs of various shapes.

[0058] In some possible embodiments, in addition to flat and arc surfaces, the contact surface of the support member 200 can also be designed in other shapes, such as polygonal or composite curve shapes. These shapes can be adjusted according to the needs of specific target objects to achieve the best support effect. For example, a polygonal design can provide better stability in a specific direction, while a composite curve can adapt to more complex geometries.

[0059] Referring to Figure 5 In some embodiments of the present application, the first telescopic component 120 includes at least two first hinge members 121, which are detachably arranged in sequence along the thickness direction, and the middle part of each first hinge member 121 is provided with a first hinge hole.

[0060] The second telescopic component 130 includes at least two second hinge members 131, which are detachably arranged in sequence along the thickness direction, i.e. the two second hinge members 131 overlap each other and are connected at both ends by bolts. The middle part of each second hinge member 131 is provided with a second hinge hole, and the second hinge hole is arranged correspondingly to the first hinge hole. An avoidance space is provided between the two second hinge members 131, and the two first hinge members 121 pass through the avoidance space and are hinged with the two second hinge members 131.

[0061] In the above structure, this design enables the first telescopic component 120 and the second telescopic component 130 to be flexibly assembled and disassembled, facilitating maintenance and replacement of damaged components. By designing the first hinge 121 and the second hinge 131 as detachable structures, specific hinges can be quickly replaced when needed without the need to replace the entire assembly, reducing maintenance costs and time. In addition, this modular design also allows the number and arrangement of hinges to be adjusted according to specific needs to adapt to target objects of different sizes and shapes, enhancing the flexibility and adaptability of the system.

[0062] The design of the avoidance space enables the first hinge 121 to smoothly pass through the area between the second hinges 131 and achieve the hinged connection of the two. This cross arrangement not only improves the overall strength and stability of the telescopic assembly, but also ensures the coordination and smoothness between the components during movement. Due to the precise alignment of the first hinge hole and the second hinge hole, the hinge point can freely rotate in multiple directions, ensuring the consistency and smoothness of the first telescopic component 120 and the second telescopic component 130 during expansion or contraction.

[0063] Referring to Figure 3 and Figure 5 In some embodiments of the present application, the sliding block 110 includes a sliding block body 111, and a plurality of hinge parts 112 and a plurality of limiting parts 113 are arranged on the outside of the sliding block body 111. The limiting parts 113 are arranged in a staggered manner with the hinge parts 112, and a threaded hole 114 is arranged in the middle of the sliding block body 111. The hinge parts 112 are arranged one-to-one with the telescopic assembly 100. The limiting parts 113 are arranged one-to-one with the guide rods 332.

[0064] Specifically, one end of the two second hinges 131 is hinged with the hinge part 112 on the upper sliding block 110, and one end of the two first hinges 121 is hinged with the hinge part 112 on the lower sliding block 110. The sliding groove 141 is arranged at the lower end of the limiting rod 140, and the other end of the two second hinges 131 is slidingly connected with the sliding groove 141. The other end of the two first hinges 121 is hinged with the top end of the limiting rod 140.

[0065] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An internal support device, characterized in that, include: Driver component (300); Multiple telescopic components (100) are spaced apart on the outer periphery of the drive component (300), and the telescopic components (100) extend and retract radially along the drive component (300) under the drive of the drive component (300); A support member (200) is provided at one end of the telescopic assembly (100) away from the drive assembly (300), and the support member (200) reciprocates radially along the drive assembly (300) under the drive of the telescopic assembly (100). A pressure sensing unit is located on the side of the support member (200) that contacts the target object and is electrically connected to the drive assembly (300). The pressure sensing unit is used to detect the pressure between the support member (200) and the target object and transmit the pressure data to the drive assembly (300). The drive assembly (300) controls the extension distance of the telescopic assembly (100) according to the pressure data.

2. The internal support device according to claim 1, characterized in that, The drive component (300) includes: Support component (330); A motor (310) is located at the first end of the support member (330); The bidirectional threaded rod (320) has one end rotatably connected to the second end of the support member (330) and the other end connected to the motor (310) for transmission. The bidirectional threaded rod (320) includes a first threaded portion and a second threaded portion that are spaced apart. The first threaded portion and the second threaded portion have opposite thread directions.

3. The internal support device according to claim 2, characterized in that, The support component (330) includes: Motor mount (331) for mounting the motor (310); The base (333) is spaced apart from the motor base (331); Multiple guide rods (332) are spaced apart between the motor mount (331) and the base (333).

4. The internal support device according to claim 3, characterized in that, The telescopic assembly (100) includes: At least two sliders (110) are threadedly connected to the first threaded portion and the second threaded portion in a one-to-one correspondence. Both sliders (110) pass through the guide rod (332) and are slidably connected to the guide rod (332). The first telescopic component (120) is hinged at one end to one of the sliders (110); The second telescopic component (130) is arranged crosswise with the first telescopic component (120), and both can rotate relative to the intersection. One end of the second telescopic component (130) is hinged to the other slider (110). A limiting rod (140) is provided on the side of the support member (200) facing the telescopic assembly (100). One end of the limiting rod (140) is provided with a groove (141). One of the first telescopic component (120) and the second telescopic component (130) is slidably connected to the groove (141), and the other of the first telescopic component (120) and the second telescopic component (130) is hinged to the other end of the limiting rod (140).

5. The internal support device according to any one of claims 1-4, characterized in that, The shape of the side of the support (200) that contacts the target object includes at least one of a plane and an arc surface.

6. The internal support device according to claim 4, characterized in that, The first telescopic component (120) includes at least two first hinge members (121), which are detachably arranged sequentially along their thickness direction, and each of the two first hinge members (121) has a first hinge hole in the middle. The second telescopic component (130) includes at least two second hinge members (131), which are detachably arranged sequentially along their thickness direction. Each of the two second hinge members (131) has a second hinge hole in the middle, which corresponds to the first hinge hole. A clearance space is provided between the two second hinge members (131), and the two first hinge members (121) pass through the clearance space and are hinged to the two second hinge members (131).

7. The internal support device according to claim 4, characterized in that, The slider (110) includes a slider body (111), and the slider body (111) is provided with a plurality of hinge parts (112) and a plurality of limiting parts (113) at intervals on the outside. The limiting parts (113) are offset from the hinge parts (112), and the slider body (111) is provided with a threaded hole (114) in the middle.

8. The internal support device according to claim 7, characterized in that, The hinge (112) is provided in a one-to-one correspondence with the telescopic component (100).

9. The internal support device according to claim 7, characterized in that, The limiting part (113) and the guide rod (332) are provided in a one-to-one correspondence.

10. The internal support device according to any one of claims 1-4, characterized in that, The telescopic components (100) are arranged in a circular array on the outer periphery of the drive components (300).

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