A mounting jacking device

Abstract

The application provides a mounting top tool, which comprises a first shoulder part, a second shoulder part, a first holding part and a second holding part in a semicylindrical shape, wherein the first shoulder part and the first holding part are integrally formed to form a first part, the second shoulder part and the second holding part are integrally formed to form a second part, the first part and the second part are buckled along the direction perpendicular to the joint surface through corresponding first combining parts and second combining parts, a circular pipe-shaped top pressing part and a handle part coaxially arranged are formed, and the end surface of the top pressing part away from the handle part is perpendicular to the axial direction of the top pressing part; a user holds the handle part and applies a pushing force along the axial direction, the corresponding end surface of the top pressing part is used to push the shaft end of the sleeve of the shaft upper matching connecting piece, and the corresponding sleeve is slid to be sleeved on the corresponding shaft piece. The mounting top tool is comfortable to hold, convenient and fast to disassemble and assemble, effectively improves the assembly convenience of the corresponding shaft upper matching connecting piece, reduces the production difficulty of the corresponding product, and improves the production efficiency.

Description

Technical Field

[0001] This application relates to the field of tooling and fixture technology, and further to an installation top fixture. Background Technology

[0002] Heart failure is a clinical syndrome caused by a decline in the heart's pumping function, which makes it unable to meet the body's metabolic needs. It often appears as a complication or acute symptom. In order to cope with continuous stress or load, the heart undergoes adaptive changes during heart failure, which in turn leads to impaired ventricular function and further worsens the symptoms of heart failure.

[0003] Currently, blood pump products are commonly used in clinical practice as cardiac assist devices. For example, one type of intravascular miniature axial flow pump for left ventricular assist delivers blood percutaneously to the ascending aorta and operates independently and pumps blood efficiently via an external control unit. However, these commercially available blood pump products are prone to displacement within the body. If the blood pump shifts during the ICU period after surgery, a corresponding repositioning component is needed to adjust its relative position within the body before repositioning it. However, the repositioning components in these technologies suffer from interference fits between their shaft components and adjacent shafts, making manual assembly difficult and inefficient, and thus requiring improvement. Utility Model Content

[0004] The purpose of this application is to provide an installation top fixture to improve the ease of assembly of mating connectors on the shaft, thereby reducing the assembly difficulty of repositioning components in related technologies and improving the corresponding production efficiency.

[0005] The technical solution provided in this application is as follows:

[0006] This application provides an installation fixture, including:

[0007] Both the first shoulder and the second shoulder have a semi-cylindrical structure;

[0008] The first joint and the second joint are respectively provided corresponding to the first shoulder and the second shoulder, and are arranged opposite to each other. When at least part of the first joint is embedded in the second joint, the first shoulder and the second shoulder are merged into one, and cannot move relative to each other along the axial direction and the preset radial direction, forming a cylindrical top pressing part.

[0009] A handle is provided at one end of the top pressure part so that the user can hold it;

[0010] The end face of the pressing part opposite to the handle is perpendicular to its own axis, so that when the user holds the handle and applies a pushing force along the axis, it pushes the shaft end of the fitting of the connecting piece on the shaft until it slides and is sleeved on the corresponding shaft.

[0011] The mounting bracket provided in this application, initially, after the first shoulder and the second shoulder are engaged, they are limited by the first joint and the second joint, preventing relative movement along the axial direction and the preset radial direction, forming a cylindrical pressing part; in practical applications, the user places the fitting of the shaft-connecting component coaxially on the shaft end of the corresponding shaft, and abuts the end face of the pressing part away from the handle against the shaft end of the corresponding fitting, then holds the handle and applies a pushing force along the axial direction towards the corresponding shaft, so that the corresponding fitting can be fitted onto the outer wall surface of the corresponding shaft.

[0012] Because the user applies a pushing force to the corresponding kit by holding the handle during the assembly process, the gripping operation is not limited by the size of the corresponding kit, resulting in high operating comfort and convenient assembly. Furthermore, after the connecting parts on the corresponding shaft are assembled, the first shoulder and the second shoulder can be separated in a direction perpendicular to their mating surface, allowing the top pressure part to be removed from the corresponding shaft without having to move it to the end of the corresponding shaft before removal. The installation and removal operation of this mounting top is convenient, making the assembly process of the connecting parts on the corresponding shaft more convenient and efficient, thereby effectively reducing the assembly difficulty of repositioning components in related technologies and improving their production efficiency.

[0013] In some embodiments, the inner diameter of the top pressing portion is larger than the inner diameter of the kit of the mating connector on the shaft, but smaller than the outer diameter of the kit.

[0014] The mounting fixture provided in this application has an inner diameter of the pressing part that is larger than the inner diameter of the fitting of the shaft-mounted connector. This allows the pressing part to be moved onto the corresponding shaft of the shaft-mounted connector, thereby satisfying the requirement for the fitting of the corresponding component to be installed in the axial center of the corresponding shaft. This effectively expands the applicability of the mounting fixture and enhances its practicality.

[0015] In some embodiments, both the first gripping portion and the second gripping portion are semi-cylindrical structures;

[0016] The first gripping part is integrally formed at one end of the first shoulder part along the axial direction, and forms the first split part;

[0017] The second gripping part is integrally formed at one end of the second shoulder in the axial direction, and forms a second split;

[0018] When the first part and the second part are fastened together in a direction perpendicular to their joint surface, the first gripping part and the second gripping part are fastened together simultaneously, forming the cylindrical handle part.

[0019] The mounting fixture provided in this application features a cylindrical handle that is coaxially aligned with the pressure-adjusting part. This design simplifies the handle's structure, making it easy to manufacture and use. Furthermore, it facilitates the application of force to the corresponding components during use, further improving the assembly efficiency of the mating connectors on the corresponding shaft. Simultaneously, since the pressure-adjusting part and handle are formed by snapping together the first and second parts, this mounting fixture is simple in structure, easy to assemble and disassemble, and beneficial for enterprises to reduce costs and increase efficiency.

[0020] In some embodiments, the radial dimension of the handle portion is greater than the radial dimension of the top pressing portion.

[0021] The mounting fixture provided in this application has a handle portion with a radial dimension larger than the pressure portion, which helps to improve the user's grip comfort when holding the mounting fixture. At the same time, it also makes it easier for the user to apply thrust to the mounting fixture, thereby significantly improving the assembly efficiency of the mating connectors on the corresponding shaft.

[0022] In some embodiments, both the first joint and the second joint include a groove group and a locking block group;

[0023] The groove group of the first joint and the second joint each includes at least two grooves, and the two grooves are arranged sequentially along the radial or axial direction of the corresponding first part or the second part.

[0024] The locking blocks of the first joint and the second joint each include at least two locking blocks, and the two locking blocks are arranged sequentially along the radial or axial direction of the corresponding first or second split.

[0025] The mounting fixture provided in this application restricts the movement of the first part relative to the second part by means of a groove group and a locking block group. The corresponding first and second joints have simple structures. The mounting fixture is easy to assemble and operate, which helps to further promote cost reduction and efficiency improvement for enterprises.

[0026] In some embodiments, the groove of the first split body includes a first groove, which is formed at the middle of the first split body along the axial direction and located on the joint surface between the first split body and the second split body;

[0027] The first split body includes a first locking block, which is formed in the radial middle of the first split body and located on the joint surface between the first split body and the second split body, and protrudes from the joint surface of the first split body in the fastening direction;

[0028] The groove of the second part includes a third groove, which is opened in the middle of the radial direction of the second part and located on the joint surface between the second part and the first part, and is provided corresponding to the first locking block;

[0029] The second split body includes a third locking block, which is formed in the middle of the second split body along the axial direction and located on the joint surface between the second split body and the first split body, and is provided corresponding to the first groove;

[0030] When the first split body and the second split body are engaged, the first locking block is embedded in the third groove, and its two end walls located radially at the corresponding position of the first split body abut against the corresponding inner wall of the third groove, and slide relative to the corresponding inner wall of the third groove along the engagement direction; the third locking block is embedded in the first groove, and its two end walls located axially at the second split body abut against the corresponding inner wall of the first groove, and slide relative to the corresponding inner wall of the first groove along the engagement direction.

[0031] The mounting fixture provided in this application has a first groove and a third locking block that slide and insert into each other to limit the axial displacement of the first part relative to the second part; and a first locking block that slides and inserts into the third groove to limit the radial displacement of the first part relative to the second part. The first joint and the second joint have simple structures and are easy to set up, which helps to reduce the production cost of the mounting fixture.

[0032] In some embodiments, the groove of the first split body further includes a second groove, which is formed in the radial middle of the first split body and has the same arrangement as the third groove.

[0033] The first split body's locking block also includes a second locking block, which is formed in the middle of the first split body's axial direction and has the same arrangement as the third locking block;

[0034] The groove of the second part further includes a fourth groove, which is opened in the middle of the axial direction of the second part and has the same arrangement as the first groove.

[0035] The second split also includes a fourth card block, which is formed in the radial middle of the second split and has the same arrangement as the first card block.

[0036] When the first split body and the second split body are engaged, the second locking block is embedded in the fourth groove, and its two end walls located on the axial direction of the first split body abut against the corresponding inner wall of the fourth groove, and slide relative to the corresponding inner wall of the fourth groove along the engagement direction; the fourth locking block is embedded in the second groove, and its two end walls located on the radial direction of the corresponding position of the second split body abut against the corresponding inner wall of the second groove, and slide relative to the corresponding inner wall of the second groove along the engagement direction.

[0037] The installation fixture provided in this application has the same structural form for the first and second parts, which allows enterprises to meet the production requirements of both the first and second parts by designing only one set of molds, effectively reducing the cost investment of enterprises in the design and production of the installation fixture.

[0038] In some embodiments, the first groove extends axially from one end of the first shoulder away from the first grip to the middle of the first grip, and its position corresponding to the first shoulder penetrates radially through the corresponding position of the first shoulder.

[0039] The second groove is formed on the first grip portion and extends through the first grip portion axially.

[0040] The mounting fixture provided in this application has a first slot and a second slot of the first split body that are staggered along the axial direction, which helps to ensure the stable engagement of the two ends of the mounting fixture along the axial direction and improves the stability of the mounting fixture during use. At the same time, it also helps to improve the ease of production of the mounting fixture. In addition, since the first slot of the first split body has a large axial dimension, it helps to improve the structural strength of the corresponding third locking block, thereby extending the service life of the mounting fixture.

[0041] In some embodiments, the first card block and the first slot are located at opposite ends of the first split body in the corresponding radial direction, as are the second card block and the second slot.

[0042] The mounting fixture provided in this application has two slots and two locking blocks respectively located at the two ends of the first part in the corresponding radial direction, which helps to ensure the stable engagement of the first part and the second part at the two ends in the radial direction.

[0043] In some embodiments, the extension directions of the second and third blocks are adapted to the shape of the top pressing portion.

[0044] The mounting fixture provided in this application, after the first and second parts are fastened together, has an appearance that consists of only two coaxially arranged circular tube structures due to the integration of the second and third locking blocks into the top pressing part. This effectively simplifies the overall shape of the mounting fixture and improves its aesthetics and structural consistency.

[0045] Compared with the prior art, the mounting fixture provided in this application has at least one of the following advantages:

[0046] 1. This application uses a cylindrical pressing part to push the shaft end of the corresponding shaft-fitting connector, and a handle is provided at one end of the pressing part. This allows the assembly process to be unrestricted by the size of the component on the corresponding shaft-fitting connector. The mounting tool is comfortable to use, facilitates assembly, and effectively reduces the assembly difficulty of the shaft-fitting connector. At the same time, the pressing part and the handle are formed by a first and a second part that are fastened together. The use of this mounting tool is not limited by the shape of the two ends of the shaft of the corresponding shaft-fitting connector, making it widely applicable and easy and quick to operate, effectively ensuring the assembly efficiency of the corresponding shaft-fitting connector. Attached Figure Description

[0047] The preferred embodiments will now be described in a clear and easy-to-understand manner, with reference to the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages, and implementation methods of this solution.

[0048] Figure 1 This is a front view of the overall structure of the intravascular micro axial flow pump for left ventricular assist in the related art, as mainly embodied in the embodiments of this application;

[0049] Figure 2 This is an exploded view of the structure and assembly form of the near-end components of the repositioning component, which is the main embodiment of this application in the related art;

[0050] Figure 3 This is an exploded view of the structure and assembly form of the remote components of the repositioning component, which is the main embodiment of this application.

[0051] Figure 4 This is an isometric schematic diagram of the main embodiment of the mounting fixture in this application;

[0052] Figure 5 This is an isometric schematic diagram of the embodiment of this application, mainly illustrating the arrangement of the first or second joint;

[0053] Figure 6 This is a plan view of the first or second component from other perspectives, which is the main embodiment of this application.

[0054] Figure 7 This is a plan view of the embodiment of this application, mainly showing the fastening direction of the first or second split body;

[0055] Figure 8 These are top and side views of the embodiments of this application, which mainly embody the first or second component.

[0056] Figure 9 This is a plan view of the embodiment of this application, mainly illustrating the use of the mounting top for assembling the mating parts onto the first rigid plastic part;

[0057] Figure 10This is a plan view of the embodiment of this application, which mainly illustrates the use of the mounting top for assembling the mating parts onto the second rigid plastic part.

[0058] Explanation of reference numerals in the attached figures:

[0059] 1. First split part; 11. First shoulder; 12. First grip part; 2. Second split part; 21. Second shoulder; 22. Second grip part; 3. First connecting part; 31. First groove; 32. Second groove; 33. First locking block; 34. Second locking block; 4. Second connecting part; 41. Third groove; 42. Fourth groove; 43. Third locking block; 44. Fourth locking block;

[0060] I. Top pressure section; II. Handle section;

[0061] 100. In-body miniature pump body; 200. Repositioning assembly; 210. Interference fit part; 220. Tubular plastic film; 230. First rigid plastic part; 240. Second rigid plastic part; 300. Infusion tubing and hub assembly; 400. Conduit. Detailed Implementation

[0062] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the specific implementation methods of this application will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without creative effort.

[0063] To keep the drawings concise, each drawing only schematically shows the parts relevant to this application, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0064] Clinically, heart failure is characterized by the heart's inability to function adequately, resulting in insufficient blood flow from veins and arteries. Left ventricular failure is more common. Heart failure can occur as a complication or as an acute symptom. Common situations include: heart failure in high-risk coronary artery disease patients requiring percutaneous coronary intervention, where myocardial ischemia or arrhythmias may occur during treatment, leading to intolerance and the risk of malignant hemodynamics. Therefore, cardiac assist devices are needed to restore ventricular function during treatment, with restoration of left ventricular function being particularly urgent. Another example is cardiogenic shock, an acute manifestation of heart failure where severe heart failure causes acute peripheral circulatory failure. This sudden illness also requires rapid and efficient cardiac assist devices to help patients restore ventricular function.

[0065] Currently, blood pump products are mainly used as cardiac assist devices in clinical practice, for example, Figure 1 The illustration depicts an intravascular miniature axial flow pump for left ventricular assist, comprising an in vivo miniature pump body 100, a repositioning assembly 200, an infusion tubing and hub assembly 300, and a catheter 400. The in vivo miniature pump body 100 is percutaneously delivered to the ascending aorta and operates independently and pumps blood efficiently via an external control unit. However, in related technologies, such blood pump products are prone to displacement within the body; if the in vivo miniature pump body 100 shifts during the patient's post-operative ICU stay, the repositioning assembly 200 must be used externally to adjust its position and fix it in the optimal location. Specifically, refer to... Figure 2 and Figure 3The repositioning component 200 includes an interference fit part 210, a tubular plastic film 220, a first rigid plastic part 230, and a second rigid plastic part 240. Both the first rigid plastic part 230 and the second rigid plastic part 240 contain internal threads and silicone ring structures. The silicone rings are rotated and compressed to limit the position of the catheter 400, thereby fixing the in vivo micropump 100. The tubular plastic film 220 serves as a sterile barrier; if adjustment of the in vivo micropump 100 is required during ICU admission... To determine the relative position of the tubular plastic film 220 within the patient's body, it is necessary to insert the tubular plastic film 220 into the inner wall of the interference fit 210. Then, the two axial ends of the interference fit 210 are respectively fitted onto the outer walls of the first rigid plastic part 230 and the second rigid plastic part 240, thus fixing the tubular plastic film 220 to both the first rigid plastic part 230 and the second rigid plastic part 240 via the interference fit 210. The position of the micropump 100 can then be adjusted by moving the catheter 4 through the tubular plastic film 220. However, to prevent the tubular plastic film 220, which isolates the sterile environment, from detaching from the first rigid plastic part 230 and the second rigid plastic part 240, the interference fit 210 has a high degree of interference with both the first rigid plastic part 230 and the second rigid plastic part 240. This makes manual assembly difficult.

[0066] In one embodiment, reference is made to the accompanying drawings. Figures 4 to 10 A mounting tool is provided to assist in the assembly of shaft-mounted connecting parts (including shaft parts and a kit sleeved on the outer wall of the shaft parts), thereby improving the ease of assembly. When applied to the production of the left ventricular assist intravascular micro axial flow pump in the above-mentioned related technologies, it can reduce the assembly difficulty of the corresponding repositioning component 200, thereby improving the production efficiency of the corresponding repositioning component 200 and the left ventricular assist intravascular micro axial flow pump.

[0067] Refer to the attached diagram in the instruction manual. Figure 4 and Figure 8 It includes a first shoulder 11 and a second shoulder 21 in the shape of a semi-cylindrical tube, and a first connecting part 3 and a second connecting part 4, which correspond to the first shoulder 11 and the second shoulder 21 respectively and are arranged opposite to each other. When at least part of the first connecting part 3 is embedded in the second connecting part 4, the first shoulder 11 and the second shoulder 21 merge into one piece and cannot move relative to each other along the axial direction and the preset radial direction, forming a cylindrical pressing part I; it also includes a handle part II, which is provided at one end of the pressing part I for the user to hold; and the end face of the pressing part I away from the handle part II is perpendicular to its own axial direction so that it is coaxially pressed against the shaft end of the fitting of the shaft-fitting connector, so that when the user holds the handle part II and applies a pushing force along the axial direction, it pushes the fitting of the shaft-fitting connector until it slides and is fitted onto the outer wall surface of the corresponding shaft member of the shaft-fitting connector.

[0068] In practical applications, the user can assemble the top pressing part I onto the end of the corresponding shaft connecting part by fastening the first shoulder 11 and the second shoulder 21. The use process is not limited by the shape of the two ends of the shaft of the corresponding shaft connecting part, making it widely applicable and convenient and quick to operate. At the same time, the user can apply force by holding the handle part II. The gripping action is not limited by the size of the corresponding shaft connecting part, making it comfortable to use and easy to assemble. This effectively reduces the assembly difficulty of the shaft connecting part and improves the corresponding operation efficiency.

[0069] When using the mounting tool of this application to assist in assembling the interference fit 210 with the first rigid plastic part 230 and the interference fit 210 with the second rigid plastic part 240 of the repositioning assembly 200, for example, when using the mounting tool to fit the interference fit 210 onto the first rigid plastic part 230, refer to... Figure 9 and Figure 10 After the interference fit 210 is coaxially abutted against the guide slope of the corresponding shaft end of the first rigid plastic part 230, the user holds the handle part II and coaxially abuts the end face of the pressing part I away from the handle part II against the end of the interference fit 210 away from the first rigid plastic part 230. Then, a pushing force is applied axially towards the side of the first rigid plastic part 230, which pushes the interference fit 210 to slide axially and fit onto the outer circular wall surface of the first rigid plastic part 230. The same principle applies when the interference fit 210 is fitted onto the second rigid plastic part 240 using the mounting top. The mounting top is comfortable to hold, and the corresponding assembly process is convenient and efficient.

[0070] Of course, in addition to being applicable to the auxiliary assembly of interference fit connecting parts on shafts, the mounting tool of this application is also applicable to the assembly requirements of various tight-fitting shaft kits, shaft tubes and other parts that are difficult to push directly by hand.

[0071] In one embodiment, based on the above embodiments, specifically referring to... Figures 4 to 10 In this embodiment, a first gripping part 12 is integrally formed at one axial end of the first shoulder 11, and the two are combined to form a first split 1. Specifically, the first gripping part 12 is also a semi-cylindrical structure, with its arcuate side in the same direction as the arcuate side of the first shoulder 11, and its planar side in the same plane as the joint surface of the first shoulder 11 and the second shoulder 21. Similarly, a second gripping part 22 is provided at one axial end of the second shoulder 21, and the two are combined to form a second split 2. During assembly, refer to... Figure 7 The first part 1 and the second part 2 are fastened together in a direction perpendicular to their joint surface. While forming the top pressing part I, the first gripping part 12 and the second gripping part 22 are fastened together to form the handle part II. The handle part II is also in the shape of a round tube and is coaxially arranged with the top pressing part I.

[0072] In this embodiment, to improve assembly efficiency and ease of production and use, the mating surface of the first part 1 and the second part 2 is perpendicular to any radial direction of the mounting top fixture, that is, the mating surface of the first part 1 and the second part 2 is perpendicular to the same radial direction of the corresponding first part 1 and / or second part 2.

[0073] Furthermore, to improve grip comfort, the radial dimension of handle II is larger than that of top pressure part I.

[0074] In addition, it should be noted that in this embodiment, the inner diameter of the pressing part I is slightly larger than the inner diameter of the corresponding shaft-mounted connecting piece, but smaller than the outer diameter of the corresponding piece. This ensures that the pressing part I stably abuts against the corresponding shaft end of the shaft-mounted connecting piece, while allowing the pressing part I to move to the axial center of the shaft of the shaft-mounted connecting piece. This adapts to the fitting requirements of different shaft-mounted connecting pieces at different axial positions of the corresponding shaft, enhancing the applicability of the mounting fixture.

[0075] Reference Figure 5 Specifically, both the first connecting part 3 and the second connecting part 4 include a groove group and a locking block group, and both the groove group of the first connecting part 3 and the groove group of the second connecting part 4 include at least two grooves. In this embodiment, for ease of explanation, the two grooves of the first connecting part 3 are defined as the first groove 31 and the second groove 32, and the two grooves of the second connecting part 4 are defined as the third groove 41 and the fourth groove 42. Similarly, the two locking blocks of the first connecting part 3 are defined as the first locking block 33 and the second locking block 34, and the two locking blocks of the second connecting part 4 are defined as the third locking block 43 and the fourth locking block 44. In practical application, the groove group and the locking block group of the first connecting part 3 are respectively engaged with the locking block group and the groove group of the second connecting part 4 to realize the assembly of the mounting top fixture.

[0076] Reference Figure 5Specifically, the first groove 31 is formed in the middle of the first part 1 in the axial direction and is located on the joint surface of the first part 1 and the second part 2. The extension direction of its depth is consistent with the fastening direction of the first part 1 and the second part 2. The first locking block 33 is formed in the middle of the first part 1 in the radial direction and is located on the joint surface of the first part 1 and the second part 2. It protrudes from the joint surface of the first part 1 in the fastening direction. Correspondingly, the third locking block 43 is formed on the joint surface of the second part 2 and the first part 1. It protrudes from the corresponding joint surface and is set in the first groove 31 so that when the first part 1 and the second part 2 are fastened, the third locking block 43 is embedded in the first groove 31. The end walls of the third locking block at both ends of the second part 2 in the axial direction abut against the corresponding inner walls of the first groove 31 and slide relative to the corresponding inner walls of the first groove 31 in the fastening direction, thereby restricting the axial movement of the first part 1 relative to the second part 2. Similarly, the third groove 41 is formed on the mating surface at the radial center of the second part 2, and its depth extends in the same direction as the snap-fit ​​direction of the first part 1 and the second part 2. It is also set in accordance with the first locking block 33 so that when the first part 1 and the second part 2 are snapped together, the two end walls of the first part 1 located radially at the corresponding position of the first part 1 slide and abut against the corresponding inner wall of the third groove 41 along the snap-fit ​​direction. This restricts the first part 1 from moving relative to the second part 2 in a predetermined radial direction (such as the radial direction parallel to the mating surface of the first part 1 and the second part 2, i.e., referring to...). Figure 8 The first card block 33 moves in the X direction, that is, the two end walls of the first card block 33 located in the radial direction of the corresponding position of the first split 1 slide and engage with the corresponding inner wall of the third groove 41.

[0077] Furthermore, the second groove 32 is formed in the radial middle of the first segment 1, consistent with the arrangement of the third groove 41; the second locking block 34 is formed in the axial middle of the first segment 1, consistent with the arrangement of the third locking block 43. Similarly, the fourth groove 42 is formed in the axial middle of the second segment 2, consistent with the arrangement of the first groove 31; the fourth locking block 44 is formed in the radial middle of the second segment 2, consistent with the arrangement of the first locking block 33, so that the first segment 1 and the second segment 2... When the split body 2 is engaged, the second locking block 34 engages with the fourth groove 42, and the end walls of the first split body 1 located at both ends of the axial direction slide and abut against the corresponding inner walls of the fourth groove 42 along the engagement direction; and the fourth locking block 44 engages with the second groove 32, and the end walls of the second split body 2 located at the corresponding position radially slide and abut against the corresponding inner walls of the second groove 32 along the engagement direction, thereby further restricting the relative sliding movement of the first split body 1 and the second split body 2 along the preset radial direction after engagement.

[0078] In this way, the first part 1 and the second part 2 have the same structure. In actual production, only one mold opening is needed to meet the production requirements of the first part 1 and the second part 2 at the same time, which is conducive to energy saving and cost reduction for enterprises.

[0079] In addition, in this embodiment, the first groove 31 and the first locking block 33 are located at the same end of the first split body 1 in the corresponding radial direction. In order to ensure the stable positioning of the mounting top at the two ends of the mating surface in the corresponding radial direction, the second groove 32 and the second locking block 34 are located at the other end of the first split body 1 in the corresponding radial direction. Similarly, the third locking block 43 and the third groove 41, as well as the fourth locking block 44 and the fourth groove 42, are also located at the two ends of the second split body 2 in the corresponding radial direction.

[0080] Furthermore, refer to Figure 5 , Figure 6 and Figure 8 To ensure the stability of the mounting fixture structure and function, in this embodiment, the first groove 31 preferably extends along the axial direction of the first split 1 from one end of the first shoulder 11 away from the first grip 12 to the middle of the first grip 12. Similarly, the fourth groove 42 extends along the axial direction of the second split 2 from one end of the second shoulder 21 away from the second grip 22 to the middle of the second grip 22, so as to reduce the probability of the second locking block 34 and the third locking block 43 breaking along the axial direction when the mounting fixture is subjected to axial force, and to extend the service life of the mounting fixture as much as possible.

[0081] Since the radial dimension of the first gripping part 12 is larger than that of the first shoulder part 11, the second groove 32 is opened on the first gripping part 12 to maximize the size of the corresponding second groove 32 in the corresponding radial direction, thereby reducing the probability of the fourth locking block 44 breaking when the mounting top is subjected to radial force; similarly, the third groove 41 is opened on the second gripping part 22.

[0082] Reference Figures 4 to 10 In this embodiment, the first groove 31, the second groove 32, the third groove 41, and the fourth groove 42 are all formed by subtractive molding on the corresponding first part 1 and the corresponding second part 2. Furthermore, the first groove 31, corresponding to the position of the first shoulder 11, and the fourth groove 42, corresponding to the position of the second shoulder 21, respectively penetrate the radial direction of the corresponding positions of the first shoulder 11 and the second shoulder 21. The second groove 32 and the third groove 41 respectively penetrate the axial direction of the corresponding first gripping part 12 and the second gripping part 22, to facilitate production and assembly operations. Also, referring to… Figure 8The radial assembly gap between the slot group and the corresponding locking block group is approximately 0.1mm on both sides. That is, if the axial dimension of the first slot 31 and the fourth slot 42 is 33mm, then the length of the second locking block 34 and the third locking block 43 is approximately 32.8mm. If the radial dimension of the second slot 32 and the third slot 41 is approximately 5.2mm, then the radial dimension of the first locking block 33 and the fourth locking block 44 is approximately 5mm. This gap fit makes it easier to install and remove the mounting fixture. Furthermore, when a limiting external force is applied in the Z direction, the first split 1 and the second split 2 will not be displaced in the X and Y directions, making the structure stable and reliable.

[0083] The first locking block 33, the second locking block 34, the third locking block 43, and the fourth locking block 44 are all integrally formed on the corresponding first split 1 and the corresponding second split 2 using additive manufacturing. Furthermore, the first locking block 33 and the fourth locking block 44 extend in a direction perpendicular to the corresponding mating surface, respectively, away from the corresponding first gripping part 12 and the corresponding second gripping part 22, to ensure that the first split 1 and the second split 2 can be quickly engaged. The extension direction of the second locking block 34 and the third locking block 43 is adapted to the shape of the top pressing part I, thereby simplifying the overall appearance of the mounting fixture and improving its aesthetics and consistency.

[0084] The implementation principle of this embodiment is as follows: When assembling the mating part 210, the first rigid plastic part 230, and the second rigid plastic part 240 of the above-mentioned repositioning component 200, the user fastens the first split part 1 and the second split part 2 to assemble the mounting top. Then, holding the handle part II, after the mating part 210 is coaxially abutted against the guide slope surface of the corresponding shaft end of the first rigid plastic part 230, the user abuts the shaft end of the pressing part I against the end of the mating part 210 away from the first rigid plastic part 230, and then moves axially towards the first rigid plastic part 230. Applying a thrust to the 0 side will push the mating part 210 to slide axially onto the outer circular wall of the first rigid plastic part 230; similarly, after the mating part 210 is coaxially abutted against the guide slope of the corresponding shaft end of the second rigid plastic part 240, repeating the above operation will achieve a stable connection between the other end of the mating part 210 and the second rigid plastic part 240; the installation top tool is comfortable to hold, making the corresponding assembly operation simple and efficient, effectively reducing the assembly difficulty of the above repositioning component 200 and improving the corresponding production efficiency.

[0085] Of course, in addition to the assembly operation of the repositioning component 200 mentioned above, the mounting top tool can be used for any similar assembly operation of shaft mating connectors. It has a wide range of applications and is highly practical. Moreover, it has a simple structure, is easy to produce and use, and helps enterprises reduce costs and increase efficiency.

[0086] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of this application. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the protection scope of this application.

Claims

1. A mounting fixture, characterized in that, include: Both the first shoulder and the second shoulder have a semi-cylindrical structure; The first joint and the second joint are respectively provided corresponding to the first shoulder and the second shoulder, and are arranged opposite to each other. When at least part of the first joint is embedded in the second joint, the first shoulder and the second shoulder are merged into one, and cannot move relative to each other along the axial direction and the preset radial direction, forming a cylindrical top pressing part. A handle is provided at one end of the top pressure part so that the user can hold it; The end face of the pressing part opposite to the handle is perpendicular to its own axis, so that when the user holds the handle and applies a pushing force along the axis, it pushes the shaft end of the fitting of the connecting piece on the shaft until it slides and is sleeved on the corresponding shaft.

2. The mounting fixture according to claim 1, characterized in that, The inner diameter of the top pressing part is larger than the inner diameter of the kit that mates with the shaft connector, but smaller than the outer diameter of the kit.

3. The mounting fixture according to claim 1, characterized in that, Both the first grip and the second grip are semi-cylindrical structures. The first gripping part is integrally formed at one end of the first shoulder part along the axial direction, and forms the first split part; The second gripping part is integrally formed at one end of the second shoulder in the axial direction, and forms a second split; When the first part and the second part are fastened together in a direction perpendicular to their joint surface, the first gripping part and the second gripping part are fastened together simultaneously, forming the cylindrical handle part.

4. The mounting fixture according to claim 3, characterized in that, The radial dimension of the handle is greater than the radial dimension of the top pressure part.

5. A mounting fixture according to any one of claims 3 or 4, characterized in that, Both the first and second joints include a groove group and a locking block group; The groove group of the first joint and the second joint each includes at least two grooves, and the two grooves are arranged sequentially along the radial or axial direction of the corresponding first part or the second part. The locking blocks of the first joint and the second joint each include at least two locking blocks, and the two locking blocks are arranged sequentially along the radial or axial direction of the corresponding first or second split.

6. The mounting fixture according to claim 5, characterized in that, The groove of the first split body includes a first groove, which is formed in the middle of the first split body along the axial direction and is located on the joint surface between the first split body and the second split body; The first split body includes a first locking block, which is formed in the radial middle of the first split body and located on the joint surface between the first split body and the second split body, and protrudes from the joint surface of the first split body in the fastening direction; The groove of the second part includes a third groove, which is opened in the middle of the radial direction of the second part and located on the joint surface between the second part and the first part, and is provided corresponding to the first locking block; The second split body includes a third locking block, which is formed in the middle of the second split body along the axial direction and located on the joint surface between the second split body and the first split body, and is provided corresponding to the first groove; When the first split body and the second split body are engaged, the first locking block is embedded in the third groove, and its two end walls located radially at the corresponding position of the first split body abut against the corresponding inner wall of the third groove, and slide relative to the corresponding inner wall of the third groove along the engagement direction; the third locking block is embedded in the first groove, and its two end walls located axially at the second split body abut against the corresponding inner wall of the first groove, and slide relative to the corresponding inner wall of the first groove along the engagement direction.

7. The mounting fixture according to claim 6, characterized in that, The first segment's groove also includes a second groove, which is located in the radial middle of the first segment and has the same arrangement as the third groove. The first split body's locking block also includes a second locking block, which is formed in the middle of the first split body's axial direction and has the same arrangement as the third locking block; The groove of the second part further includes a fourth groove, which is opened in the middle of the axial direction of the second part and has the same arrangement as the first groove. The second split also includes a fourth card block, which is formed in the radial middle of the second split and has the same arrangement as the first card block. When the first split body and the second split body are engaged, the second locking block is embedded in the fourth groove, and its two end walls located on the axial direction of the first split body abut against the corresponding inner wall of the fourth groove, and slide relative to the corresponding inner wall of the fourth groove along the engagement direction; the fourth locking block is embedded in the second groove, and its two end walls located on the radial direction of the corresponding position of the second split body abut against the corresponding inner wall of the second groove, and slide relative to the corresponding inner wall of the second groove along the engagement direction.

8. The mounting fixture according to claim 7, characterized in that, The first groove extends axially from one end of the first shoulder away from the first grip portion to the middle of the first grip portion, and its position corresponding to the first shoulder penetrates the radial direction of the corresponding position of the first shoulder. The second groove is formed on the first grip portion and extends through the first grip portion axially.

9. A mounting fixture according to claim 7 or 8, characterized in that, The first card block and the first slot, along with the second card block and the second slot, are located at opposite ends of the first split body in the corresponding radial direction.

10. A mounting fixture according to claim 7 or 8, characterized in that, The extension directions of the second and third blocks are adapted to the shape of the top pressing part.

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