Connecting structure, connecting device for engine and engine
By employing coaxially arranged adjustment components and threaded structures in the expansion joint, the problem of low alignment efficiency in the expansion joint is solved, achieving efficient and reliable coaxial connection and simplifying the operation process.
Patent Information
- Application Number
- CN202422986414.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing expansion joints have low centering efficiency and are complicated to operate, which affects work efficiency.
The connection structure includes a bellows, a first flange, and a second flange. The first and second adjusting components in the adjustment assembly are set coaxially, which simplifies the alignment operation. The threaded structure enables length adjustment and detachable connection, ensuring the deformation of the expansion joint.
It improves the alignment and operational efficiency of expansion joints, enhances coaxial accuracy and reliability, reduces tooling costs, and simplifies the assembly process.
Smart Images
Figure CN223469916U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of engine, concretely relates to a connecting structure, connecting device for engine and engine. BACKGROUND
[0002] Expansion joint is also called compensator or expansion joint, mainly by bellows, flange and guide pipe etc. It is a flexible structure arranged between two pipelines to compensate additional stress caused by temperature difference and mechanical vibration.
[0003] In the process of installing expansion joint, it is necessary to ensure that the coaxiality of the pipelines connected at both ends of the expansion joint is good. At present, a simulation expansion joint tool is used for pre-assembly, and after the pipelines on both sides are centered, the tool is removed and then the expansion joint is assembled. This process needs to be repeatedly disassembled and assembled, which is complicated to operate, and thus the centering efficiency and work efficiency are reduced. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem of low centering efficiency of the existing expansion joint. The purpose is achieved by the following technical scheme:
[0005] The utility model discloses a connecting structure, comprising:
[0006] Expansion joint, including bellows, first flange and second flange, the opposite ends of the bellows are connected with the first flange and the second flange respectively, the side of the first flange deviating from the bellows is used for being connected with the first component, the side of the second flange deviating from the bellows is used for being connected with the second component;
[0007] Adjusting assembly, including coaxial first adjusting part and second adjusting part, the first adjusting part is detachably connected with the first flange, the second adjusting part is connected with the second flange, the first adjusting part has a first slot in the end deviating from the first flange, the second adjusting part is inserted into the first slot in the end deviating from the second flange, and the first adjusting part can move towards or away from the second flange relative to the second adjusting part.
[0008] According to the technical scheme of the utility model, since the second adjusting part is inserted into the first slot, and the first adjusting part and the second adjusting part are coaxially arranged, the first component connected with the first flange and the second component connected with the second flange can be centered or coaxially operated, the centering or coaxial operation is simplified, the centering efficiency and work efficiency are improved, in addition, since the first adjusting part can move towards or away from the second flange relative to the second adjusting part, the length of the whole adjusting assembly can be adjusted, and the first adjusting part is detachably connected with the first flange, so that the first guide part can be separated from the first flange, the reliability is improved.
[0009] In addition, the connecting structure according to the utility model also has the following additional technical features.
[0010] In some embodiments of the utility model, the first adjusting part can rotate around its own axis direction, the first threaded structure is arranged in the first groove body, the second threaded structure is arranged outside the one end of the second adjusting part away from the second flange, and the first threaded structure and the second threaded structure are threadedly matched.
[0011] In some embodiments of the utility model, the first flange is provided with a first through hole, the first through hole extends along the axis direction of the expansion joint, and the one end of the first adjusting part away from the second adjusting part is inserted into the first through hole.
[0012] In some embodiments of the utility model, the second flange is provided with a second through hole, the second through hole extends along the axis direction of the expansion joint, and the one end of the second adjusting part away from the first adjusting part is inserted into the second through hole.
[0013] In some embodiments of the utility model, the first through hole is provided with a plurality of first through holes, the plurality of first through holes are arranged along the circumference of the first flange, the first adjusting part is provided with a plurality of first adjusting parts, each first adjusting part is inserted into one first through hole, the second through hole is provided with a plurality of second through holes, the plurality of second through holes are arranged along the circumference of the second flange, the number of the second adjusting part is same with that of the first adjusting part, and each second adjusting part is inserted into one second through hole.
[0014] In some embodiments of the utility model, the expansion joint is provided with a supporting ring outside, the supporting ring is provided with a positioning hole, and the second adjusting part is arranged through the positioning hole.
[0015] In some embodiments of the utility model, the supporting ring comprises a first ring part and a second ring part, the first ring part and the second ring part are closed to form the supporting ring, one end of the first ring part is provided with a first hole part, one end of the second ring part is provided with a second hole part, and the first hole part and the second hole part jointly constitute the positioning hole in the closed state of the first ring part and the second ring part.
[0016] In some embodiments of the utility model, the positioning hole is provided with a plurality of positioning holes, and the second adjusting part is provided with a plurality of second adjusting parts, each second adjusting part is arranged through one positioning hole.
[0017] The utility model discloses a second aspect proposes a kind of connecting device for engine, comprising:
[0018] Intercooler end cover;
[0019] trachea;
[0020] a connecting structure, a first flange of the connecting structure being connected with the intercooler end cover, a second flange of the connecting structure being connected with the trachea, the connecting structure being the connecting structure described above.
[0021] The third aspect of the utility model provides a kind of engine, comprising the connecting device for engine described above. BRIEF DESCRIPTION OF DRAWINGS
[0022] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the utility model. Moreover, the same reference numerals are used throughout the same drawings to designate similar or equivalent components. In the drawings:
[0023] Figure 1 Structure schematic view of connecting device for engine according to the utility model embodiment is schematically shown;
[0024] Figure 2 For Figure 1 Sectional structure schematic view of connecting structure.
[0025] In the drawings, each reference numeral represents the following:
[0026] 100, connecting structure;
[0027] 10, expansion joint;11, bellows;12, first flange;121, first through hole;13, second flange;131, second through hole;14, support ring;
[0028] 20, adjusting assembly;21, first adjusting member;22, second adjusting member;
[0029] 200, intercooler end cover;
[0030] 300, trachea;301, bracket. DETAILED DESCRIPTION
[0031] Exemplary embodiments of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings. While example embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms without being limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be thoroughly and completely understood, and so that the scope of the present disclosure can be fully conveyed to those skilled in the art.
[0032] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.
[0033] Although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
[0034] Spatially relative terms, such as "inner", "outer", "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0035] Figure 1 A schematic view of a structure of a connecting device for an engine according to an embodiment of the present application is shown. Figure 2 For Figure 1 A schematic view of a cross-sectional structure of the connecting structure 100. As Figure 1 And 2The utility model provides a connecting structure 100, connecting device and engine for engine are proposed, the utility model discloses a connecting structure 100 includes expansion joint 10 and adjusting assembly 20, expansion joint 10 includes bellow 11, first flange 12 and second flange 13, and the opposite both ends of bellow 11 are linked with first flange 12 and second flange 13 respectively, the side of first flange 12 away from bellow 11 is used to be connected with first component, and the side of second flange 13 away from bellow 11 is used to be connected with second component, adjusting assembly 20 includes coaxial first adjusting piece 21 and second adjusting piece 22, and first adjusting piece 21 is detachably connected with first flange 12, and second adjusting piece 22 is connected with second flange 13, and the one end of first adjusting piece 21 away from first flange 12 has first groove body, and the one end of second adjusting piece 22 away from second flange 13 is inserted into first groove body, and first adjusting piece 21 can move towards or away from second flange 13 relative to second adjusting piece 22.
[0036] According to the technical scheme of the utility model, since the second adjusting piece 22 is inserted into the first groove body, and the first adjusting piece 21 and the second adjusting piece 22 are coaxially arranged, the first component connected with the first flange 12 and the second component connected with the second flange 13 can be centered or coaxially operated, the centering or coaxial operation is simplified, the centering efficiency and the operation efficiency are improved, in addition, since the first adjusting piece 21 can move towards or away from the second flange 13 relative to the second adjusting piece 22, the length of the overall adjusting assembly 20 can be adjusted, and the first adjusting piece 21 is detachably connected with the first flange 12, so that the first guide piece can be separated from the first flange 12, the deformation of the expansion joint 10 is ensured, and the reliability is improved.
[0037] In some embodiments of the utility model, the first adjusting piece 21 can rotate around the axis direction thereof, the first groove body is provided with a first threaded structure, the one end of the second adjusting piece 22 away from the second flange 13 is provided with a second threaded structure, and the first threaded structure and the second threaded structure are threadedly matched. In this embodiment, when the operator rotates the first adjusting piece 21, the first adjusting piece 21 can be converted from rotary motion to linear motion due to the cooperation of the first threaded structure and the second threaded structure, so that the first adjusting piece 21 moves towards or away from the second flange 13 relative to the second adjusting piece 22.
[0038] Specifically, in the embodiment, when the first part and the second part connected with the first flange 12 and the second flange 13 need to be centered, the first adjusting part 21 is rotated until the first adjusting part 21 is connected with the first flange 12, and the connection between the first adjusting part 21 and the first flange 12 and the first part is realized, and meanwhile, the second adjusting part 22 is connected with the second flange 13, and the connection between the second adjusting part 22 and the second flange 13 and the second part is realized, and since the first adjusting part 21 and the second adjusting part 22 are coaxially arranged, the coaxial arrangement between the first part and the second part is realized.
[0039] Specifically, in the embodiment, after the first part and the second part are coaxially aligned, the first adjusting part 21 is rotated so that the first adjusting part 21 moves towards the second flange 13 until the first adjusting part 21 is disconnected with the first flange 12, at this time, the adjusting assembly 20 does not interfere with the deformation of the expansion joint 10, which provides a guarantee for the deformation of the expansion joint 10 and improves the reliability.
[0040] In some embodiments of the utility model, as shown in Figure 2 The first flange 12 is provided with a first through hole 121 extending along the axis direction of the expansion joint 10, and one end of the first adjusting part 21 away from the second adjusting part 22 is inserted into the first through hole 121. In the embodiment, the first flange 12 is provided with the first through hole 121, and one end of the first adjusting part 21 is in clearance fit with the first through hole 121, so that the rotation of the first adjusting part 21 in the first through hole 121 is realized, and then the cooperation of the second threaded structure of the second adjusting part 22 is facilitated. Wherein, the first adjusting part 21 is disconnected with the first through hole 121 by cooperating with the second threaded structure, and then the disconnection between the first adjusting part 21 and the first flange 12 is realized, at this time, the first adjusting part 21 and the second adjusting part 22 do not interfere with the deformation of the bellows 11.
[0041] In some embodiments of the utility model, as shown in Figure 2 The second flange 13 is provided with a second through hole 131 extending along the axis direction of the expansion joint 10, and one end of the second adjusting part 22 away from the first adjusting part 21 is inserted into the second through hole 131. In the embodiment, the second flange 13 is provided with the second through hole 131, and one end of the second adjusting part 22 is in interference fit with the second through hole 131, so that the fixation of the second through hole 131 to the second adjusting part 22 is realized, and then the rotation of the first adjusting part 21 relative to the second adjusting part 22 and the movement of the first adjusting part 21 towards or away from the second flange 13 are facilitated.
[0042] In some embodiments of the utility model, as shown in Figure 1As shown, the first through hole 121 is provided with a plurality of, a plurality of first through holes 121 are arranged along the circumference of the first flange 12, the first adjusting part 21 is provided with a plurality of, each first adjusting part 121 is inserted into a first through hole 21, the second through hole 131 is provided with a plurality of, a plurality of second through holes 131 are arranged along the circumference of the second flange 13, the second adjusting part 22 is same in number with the first adjusting part 21, and each second adjusting part 22 is inserted into a second through hole 131.
[0043] As shown in some embodiments of the utility model, Figure 1 And 2 As shown, the outer side of the expansion joint 10 is sleeved with a support ring 14, the support ring 14 is provided with a positioning hole, and the second adjusting part 22 is arranged through the positioning hole.In this embodiment, the positioning hole on the support ring 14 can not only support the second adjusting part 22, but also limit and position the second adjusting part 22, and since the first adjusting part 21 is threadedly connected with the second adjusting part 22, the positioning and limiting of the second adjusting part 22 are indirectly improved, and the coaxial accuracy of the first adjusting part 21 during rotation and movement is improved.
[0044] In some embodiments of the utility model, the support ring 14 comprises a first ring part and a second ring part, the first ring part and the second ring part are enclosed to form the support ring 14, one end of the first ring part is provided with a first hole part, one end of the second ring part is provided with a second hole part, and the first hole part and the second hole part jointly constitute the positioning hole in the enclosed state of the first ring part and the second ring part.In this embodiment, the support ring 14 is detachably connected and comprises a first ring part and a second ring part, and the first ring part and the second ring part can be connected by adhesion or screws and enclosed to form the support ring 14.The first ring part is provided with the first hole part at one end thereof, the second ring part is provided with the second hole part at one end thereof, and the first hole part and the second hole part jointly constitute the positioning hole when the first ring part and the second ring part are combined to the outer periphery of the corrugated pipe 11.
[0045] Specifically, in this embodiment, the detachable connection of the first ring part and the second ring part can realize convenient fixing and positioning of the adjusting assembly 20.
[0046] As shown in some embodiments of the utility model, Figure 1As shown, the positioning holes are provided in plurality, the second adjusting pieces 22 are provided in plurality, and each of the second adjusting pieces 22 is provided with one positioning hole. In the embodiment, the plurality of positioning holes and the plurality of second adjusting pieces 22 can realize the connection of the plurality of positions of the first flange 12 and the second flange 13 in the circumferential direction, improve the coaxial precision between the first flange 12 and the second flange 13, and each of the positioning holes can support and position one second adjusting piece 22, thereby improving the stability and precision of the second adjusting piece 22.
[0047] Further, the adjusting assembly 20 of the connecting structure 100 is completely located between the first flange 12 and the second flange 13 of the expansion joint 10, and does not interfere with the components such as the intercooler end cover 200 and the air pipe 300. The adjusting assembly 20 is used for centering without using a tool, thereby reducing one-time assembly, saving the tool cost, and improving the assembly efficiency. In addition, the first adjusting piece 21 and the second adjusting piece 22 are used for axial adjustment, so that the axial adjustment of the expansion joint 10 is realized.
[0048] The utility model further proposes a connecting device for engine, including:
[0049] The intercooler end cover 200;
[0050] The air pipe 300;
[0051] The first flange 12 of the connecting structure 100 is connected with the intercooler end cover 200, the second flange 13 of the connecting structure 100 is connected with the air pipe 300, and the connecting structure 100 is the connecting structure 100 described above.
[0052] According to the technical scheme of the utility model, since the second adjusting piece 22 is inserted into the first groove body, and the first adjusting piece 21 and the second adjusting piece 22 are coaxially arranged, the intercooler end cover 200 connected with the first flange 12 and the air pipe 300 connected with the second flange 13 can be centered or coaxially operated, the centering or coaxial operation is simplified, the centering efficiency and the operation efficiency are improved, in addition, since the first adjusting piece 21 can move towards or away from the second flange 13 relative to the second adjusting piece 22, the length of the whole adjusting assembly 20 can be adjusted, and the first adjusting piece 21 is detachably connected with the first flange 12, so that the first guide piece can be separated from the first flange 12, the deformation of the expansion joint 10 is ensured, and the reliability is improved.
[0053] Further, as shown in Figure 1As shown, the assembly and disassembly process of the engine connection device is as follows: first, thread the second adjusting member 22 and the first adjusting member 21 together to the minimum length. Then, insert the end of the second adjusting member 22 facing away from the first adjusting member 21 into the second through hole 131. Then, the support ring 14 is placed outside the bellows 11, and the positioning hole is aligned with the position of the second adjusting member 22. The operator then rotates the first adjusting member 21 so that the end of the first adjusting member 21 facing away from the second adjusting member 22 is rotated into the first through hole 121, thereby achieving a coaxial arrangement between the first flange 12 and the second flange 13. The intercooler end cover 200 is then connected to the first flange 12, and the air pipe 300 is connected to the second flange 13, thereby achieving a coaxial arrangement between the intercooler end cover 200 and the air pipe 300. The air pipe 300 is then secured using the bracket 301 and other fixing components to secure the intercooler end cover 200. At this point, the coaxial fixed arrangement of the intercooler end cover 200 and the air pipe 300 is completed.
[0054] Then, the first adjusting member 21 is rotated to disengage from the first through hole 121 . At this time, the first adjusting member 21 and the second adjusting member 22 cancel the connection between the first flange 12 and the second flange 13 , and will not interfere with the compensating deformation of the bellows 11 .
[0055] The utility model also provides an engine, comprising the above-mentioned connecting device for the engine.
[0056] According to the engine of the present invention, since the second adjusting member 22 is inserted into the first groove body, and the first adjusting member 21 and the second adjusting member 22 are coaxially arranged, the intercooler end cover 200 connected to the first flange 12 and the air pipe 300 connected to the second flange 13 can be centered or coaxially operated, which simplifies the centering or coaxial operation and improves the centering efficiency and operating efficiency. In addition, since the first adjusting member 21 can move toward or away from the second flange 13 relative to the second adjusting member 22, the length of the overall adjusting assembly 20 can be adjusted, and the first adjusting member 21 is detachably connected to the first flange 12, which can enable the first guide member to be separated from the first flange 12, providing a guarantee for the deformation of the expansion joint 10 and improving reliability.
[0057] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A connection structure characterized by comprising: The expansion joint comprises: a bellows, a first flange and a second flange, opposite ends of the bellows being connected to the first flange and the second flange respectively, the first flange being used for connecting to a first component on a side away from the bellows, the second flange being used for connecting to a second component on a side away from the bellows; an adjusting assembly comprising coaxially arranged first adjusting members and second adjusting members, the first adjusting members being detachably connected to the first flange, the second adjusting members being connected to the second flange, the first adjusting members having first slot bodies in ends away from the first flange, the second adjusting members being inserted into the first slot bodies in ends away from the second flange, and the first adjusting members being capable of moving towards or away from the second flange relative to the second adjusting members.
2. The connection structure according to claim 1, characterized in that The first adjusting members are capable of rotating around their own axial directions, the first slot bodies are provided with first threaded structures, and the second adjusting members are provided with second threaded structures on ends away from the second flange, the first threaded structures and the second threaded structures being threadedly engaged.
3. The connection structure according to claim 2, characterized in that The first flange is provided with a first through hole extending along the axial direction of the expansion joint, and the first adjusting members are inserted into the first through hole in ends away from the second adjusting members.
4. The connection structure according to claim 3, characterized in that The second flange is provided with a second through hole extending along the axial direction of the expansion joint, and the second adjusting members are inserted into the second through hole in ends away from the first adjusting members.
5. The connection structure according to claim 4, characterized in that The first flange is provided with a plurality of first through holes arranged at intervals in the circumferential direction of the first flange, the first adjusting members are provided in a number corresponding to the number of the first through holes, and each of the first adjusting members is inserted into one of the first through holes; the second flange is provided with a plurality of second through holes arranged at intervals in the circumferential direction of the second flange, and the second adjusting members are provided in a number corresponding to the number of the second through holes, and each of the second adjusting members is inserted into one of the second through holes.
6. The connection structure according to claim 1, wherein A support ring is arranged outside the expansion joint, the support ring is provided with positioning holes, and the second adjusting members are arranged through the positioning holes.
7. The connection structure according to claim 6, characterized in that The support ring comprises a first ring portion and a second ring portion, the first ring portion and the second ring portion being arranged in a closed state to form the support ring, one end of the first ring portion is provided with a first hole portion, one end of the second ring portion is provided with a second hole portion, and the first hole portion and the second hole portion jointly constitute the positioning holes in the closed state of the first ring portion and the second ring portion.
8. The connection structure according to claim 6, wherein The positioning holes are provided in a number corresponding to the number of the second adjusting members, and each of the second adjusting members is arranged through one of the positioning holes.
9. A connecting device for an engine, characterized in that The intermediate cooler end cover comprises: a gas pipe; a connecting structure, a first flange of the connecting structure being connected to the intermediate cooler end cover, a second flange of the connecting structure being connected to the gas pipe, and the connecting structure being the connecting structure according to any one of claims 1-8. The connecting device for an engine comprises the connecting device according to claim 9.
10. An engine characterized by,