Ship beam connecting structure of catamaran

By setting up a beam card slot and a bite -bite groove on the top of the hull of the dual sailboat, and installing the bite clip segment and long bolt, combined with the design of the guidance groove and the directional square column, the stable connection between the end of the beam and the hull is solved. The problem of insufficient stability in existing technologies.

CN222408489UActive Publication Date: 2025-01-28WUHAN SENZHILANG OUTDOOR PROD CO LTD
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Patent Information

Application Number
CN202421265752.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-28
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The connection stability of the beam end of existing catamarans is poor with the hull, especially when it is subjected to axial forces, the connection failure is prone to occur.

Method used

Design a type of ship beam connection structure, set up a bite -holding groove on the inside and outside of the beam card slot on the top of the hull, install the bite segment, and fix it through the long bolt to increase the guide slot and the guide square pillar to in order Realize two -way clamping and enhance connection stability.

Benefits of technology

The connection structure can make a comprehensive limit reinforcement when the vertical, horizontal force or vertical force, which significantly improves the stability of the connection between the beam end and the hull, and avoids the problem of connection failure.

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Abstract

The utility model relates to the technical field of water sports products, and discloses a ship beam connecting structure of a catamaran, which comprises two ship bodies and two girders, two girder clamping grooves are formed in the front and back of the top of each ship body, and clamping grooves are symmetrically formed in the inner side and the outer side of each girder clamping groove; the clamping sections at the two ends of the girder are installed in the girder clamping grooves, and each clamping section is provided with a first hull clamping part located on the inner side and a second hull clamping part located on the outer side. The first hull bite-pressing part is fixed on the lower surface of the bite-clamping section, and the first hull bite-pressing part is clamped in a bite-clamping groove in the inner side of the girder clamping groove; the second hull bite-pressing part is tightly attached to and fixed to the side end face of the bite-clamping section through a transverse connecting structure, and the second hull bite-pressing part is clamped to a bite-clamping groove in the outer side of the girder clamping groove. The long bolts penetrate through the clamping section from top to bottom, and the bottom ends of the long bolts are fixed to the ship body. According to the ship beam connecting structure of the catamaran, the problem that connection failure is prone to occurring between the ends of the girders and the catamaran body is solved.
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Description

Technical Field

[0001] The invention relates to the technical field of water sports products, and in particular to a ship beam connection structure of a catamaran. Background Art

[0002] At present, a sailboat is a boat that uses wind power to move forward. It is a water transportation tool. With the improvement of living standards, more and more people like to take a sailboat in their spare time and do water sports. Sailing boats are classified according to the hull, into monohull sailboats and catamaran sailboats. Among them, the hull of a monohull sailboat is a whole, and a catamaran sailboat has two hulls, which are connected into a whole by a beam. Compared with a monohull sailboat, a catamaran sailboat has the characteristics of beautiful hull appearance, stable hull connection, and safer and more reliable hull.

[0003] In the related art, the catamaran in CN211196503U is as follows Figure 1 , Figure 2 and Figure 3 As shown, the catamaran includes two symmetrically arranged hulls 100, and each hull 100 is provided with a beam connector 101 integrally formed with the hull at both ends of the front and rear ends, and two beams 102 are installed between the beam connectors 101 corresponding to the two hulls 100. The beam connector 101 is provided with a stepped hole, and the end of the beam 102 is inserted into the inner hole of the stepped hole, and a nut connector 103 is preset at the end of the beam 102, and a locking connector 104 is inserted and penetrates the outer hole of the stepped hole and is connected to the nut connector 103 to fix the beam 102 to the hull 100.

[0004] However, the connection stability between the end of the girder 102 of the catamaran and the girder connector 101 is relatively poor, especially when subjected to axial force, the bearing force is entirely borne by the matching sections of the locking connector 104 and the nut connector 103, and the connection failure problem is prone to occur over time. Summary of the invention

[0005] The present application provides a ship beam connection structure for a catamaran sailboat, which solves the problem of connection failure between the end of the beam and the hull.

[0006] The present application discloses a ship beam connection structure of a catamaran sailboat, comprising two hulls and two beams;

[0007] Two beam clamping grooves are provided at the front and rear of each hull top, and clamping grooves are symmetrically provided at the inner and outer sides of each beam clamping groove;

[0008] The clamping sections at both ends of the beam are installed in the beam slot, and the clamping section is provided with a first hull clamping part located on the inside and a second hull clamping part located on the outside; the first hull clamping part is fixed to the lower surface of the clamping section, and the first hull clamping part is clamped in the clamping groove on the inside of the beam slot; the second hull clamping part is tightly fixed to the side end surface of the clamping section through a transverse connecting structure, and the second hull clamping part is clamped in the clamping groove on the outside of the beam slot;

[0009] One or more long bolts penetrate the clamping section from top to bottom, and the bottom ends of the long bolts are fixed to the hull.

[0010] On the basis of the above technical solution, the side end surface of the clamping section is provided with a transverse guide groove, and the second hull clamping part has a transverse guide square column;

[0011] When the second hull biting and pressing part is tightly fixed to the side end surface of the biting and clamping section through the transverse connecting structure, the guide square column is inserted into the guide groove.

[0012] The ship beam connection structure of the present application has a transverse guide groove on the side end face of the clamping section, and the second hull clamping part has a transverse guide square column, which is inserted into the guide groove, so that the first hull clamping part and the second hull clamping part can clamp the hull structure at the beam slot in both directions more securely, further enhancing the connection stability.

[0013] On the basis of the above technical solution, the ship beam connection structure further includes a metal embedded part, which is fixed to the upper surface of the hull structure at the beam slot, and the bottom end of the long bolt is fixed to the metal embedded part.

[0014] On the basis of the above technical solution, the metal embedded part is integrally formed with the hull structure at the beam slot, and a threaded hole is reserved in the metal embedded part, and the bottom end of the long bolt matches the threaded hole of the metal embedded part.

[0015] On the basis of the above technical solution, the metal embedded part is a rectangular grid steel plate structure, and a threaded hole is reserved in the center of the rectangular grid steel plate structure.

[0016] Based on the above technical solution, the number of the metal embedded parts and the long bolts are both two, the two long bolts penetrate the clamping section, and the bottom ends of the two long bolts match one by one with the threaded holes reserved in the center of the two metal embedded parts.

[0017] On the basis of the above technical solution, the transverse connection structure adopts transverse bolts, and connecting nuts are reserved on the side end face of the clamping section; the transverse bolts pass through the second hull biting part and are fixed to the connecting nuts; when the second hull biting part is tightly fixed to the side end face of the biting section by the transverse bolts, the second hull biting part and the first hull biting part are respectively inserted into two biting grooves.

[0018] The ship beam connection structure of the present application, when the second hull biting part is tightly fixed to the side end face of the biting section by the transverse bolts, the first hull biting part and the second hull biting part clamp the hull structure at the beam slot in two directions, which can be limited left and right as well as up and down, and the connection is firm; at the same time, the long bolts fix the biting section and the hull up and down, further enhancing the up and down fixation stability. The ship beam connection structure of the present application has a firm and reliable connection, which solves the problem of easy connection failure at the connection between the end of the beam and the hull; compared with the existing ship beam connection structure of the catamaran, the ship beam connection structure of the present application has been comprehensively limited and reinforced regardless of vertical force, transverse force or longitudinal force, and has good stability.

[0019] On the basis of the above technical solution, two guide grooves are provided on the side end face of the clamping section, and the second hull biting part has two transverse guide square columns; the two guide square columns are inserted into the two guide grooves one by one; the connecting nut is located between the two guide grooves, and the transverse bolt is located between the two guide square columns.

[0020] On the basis of the above technical solution, the first hull biting and pressing part is fixed to the lower surface of the biting and clamping section by two or more screws.

[0021] Based on the above technical solution, the depth of the beam slot accommodates more than three quarters of the thickness of the beam.

[0022] The beneficial effects brought by the technical solution provided by the embodiment of the present application include at least:

[0023] The ship beam connection structure of the present application has modified the connection between the hull and the end of the beam. At the connection, a beam slot is opened on the top of the hull, and clamping grooves are symmetrically arranged on the inner and outer sides of the beam slot; the clamping section at the end of the beam is installed in a beam slot, and the clamping section is provided with a first hull clamping part and a second hull clamping part. When the second hull clamping part is tightly fixed to the side end face of the clamping section through the transverse connection structure, the first hull clamping part and the second hull clamping part clamp the hull structure at the beam slot in both directions, which can be limited left and right as well as up and down, and the connection is firm; at the same time, the long bolts are used to fix the clamping section and the hull up and down, further enhancing the stability of the up and down fixation. The ship beam connection structure of the present application has a firm and reliable connection, which solves the problem of easy connection failure at the connection between the end of the beam and the hull. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of a catamaran sailboat in the prior art;

[0026] Figure 2 It is an exploded schematic diagram of a girder connector and a girder end of a catamaran sailboat in the prior art;

[0027] Figure 3 A top view of the connection between the beam connector and the beam end of a catamaran sailboat in the prior art;

[0028] Figure 4 A schematic diagram of the overall structure of a catamaran provided in an embodiment of the present application;

[0029] Figure 5 A schematic diagram of the connection between the girder end and the hull of a catamaran provided in an embodiment of the present application;

[0030] Figure 6 An exploded schematic diagram of the girder end and two hull biting parts of a catamaran provided in an embodiment of the present application;

[0031] Figure 7 A schematic diagram of the connection of the girder end, two hull biting parts and metal embedded parts of a catamaran provided in an embodiment of the present application;

[0032] Figure 8 A schematic diagram of the bow of a hull and its beam slot provided in an embodiment of the present application;

[0033] Fig. 9 A schematic diagram of the stern of a hull and its beam slot provided in an embodiment of the present application;

[0034] In the figure: 100, hull; 1001, bow; 1002, stern; 101, beam connector; 102, beam; 103, nut connector; 104, locking connector;

[0035] 1. Beam clamping groove; 2. Clamping groove; 3. First hull clamping part; 4. Clamping section; 41. Connecting nut; 42. Guide groove; 43. Through hole; 5. Second hull clamping part; 51. Guide square column; 52. Transverse bolt; 6. Metal embedded part; 7. Long bolt. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] The embodiment of the present application provides a ship beam connection structure for a catamaran sailboat, which solves the problem of easy connection failure between the end of the beam and the hull, and provides a new ship beam connection structure with a more firm and reliable connection.

[0038] like Figures 4 to 9 As shown, the present application discloses a ship beam connection structure of a catamaran, comprising a hull 100 and a beam 102. The ship beam connection structure of the present application mainly modifies the connection between the hull 100 and the beam 102, making the connection more stable and reliable.

[0039] Specifically, two beam slots 1 are provided at intervals on the top of each hull 100, and clamping grooves 2 are symmetrically provided on the inner and outer sides of each beam slot 1. Specifically, a beam slot 1 is provided on the top of the bow 1001 of the hull 100, and a beam slot 1 is provided on the top of the stern 1002 of the hull 100. The space between the two hulls 100 is the inner space, and the left and right sides of the entire catamaran are the outer space.

[0040] Both ends of the beam 102 are clamping sections 4, and each clamping section 4 is installed in a beam slot 1. The clamping section 4 is provided with a first hull clamping part 3 located on the inside and a second hull clamping part 5 located on the outside. The first hull clamping part 3 is fixed to the lower surface of the clamping section 4, and the first hull clamping part 3 is clamped in the clamping groove 2 on the inside of the beam slot 1. The second hull clamping part 5 is tightly fixed to the side end face of the clamping section 4 through a transverse connecting structure, and the second hull clamping part 5 is clamped in the clamping groove 2 on the outside of the beam slot 1. When the second hull clamping part 5 is tightly fixed to the side end face of the clamping section 4 through a transverse connecting structure, the first hull clamping part 3 and the second hull clamping part 5 clamp the hull structure at the beam slot 1 in both directions, which can be limited left and right as well as up and down, and the connection is reliable.

[0041] One or more long bolts 7 penetrate the clamping section 4 from top to bottom, and the bottom ends of the long bolts 7 are fixed to the hull 100 .

[0042] The ship beam connection structure of the present application has modified the connection between the hull 100 and the end of the beam 102. At the connection, a beam slot 1 is provided on the top of the hull 100, and clamping grooves 2 are symmetrically arranged on the inner and outer sides of the beam slot 1; the clamping section 4 at the end of the beam 102 is installed in a beam slot 1, and the clamping section 4 is provided with a first hull clamping part 3 and a second hull clamping part 5. When the second hull clamping part 5 is tightly fixed to the side end face of the clamping section 4 through the transverse connection structure, the first hull clamping part 3 and the second hull clamping part 5 clamp the hull structure at the beam slot 1 in both directions, which can be limited left and right and can be limited up and down, and the connection is firm; at the same time, the long bolt 7 fixes the clamping section 4 and the hull 100 up and down, further enhancing the stability of the up and down fixation. The ship beam connection structure of the present application has a firm and reliable connection, which solves the problem of easy connection failure at the connection between the end of the beam and the hull.

[0043] In one embodiment, Figure 6 As shown, a transverse guide groove 42 is provided on the side end surface of the clamping section 4 , and the second hull clamping part 5 has a transverse guide square column 51 .

[0044] When the second hull biting and pressing part 5 is tightly fixed to the side end surface of the biting and clamping section 4 through the transverse connecting structure, the guiding square column 51 is inserted into the guiding groove 42 .

[0045] In the ship beam connection structure of the present application, a transverse guide groove 42 is provided on the side end face of the clamping section 4, and the second hull clamping part 5 has a transverse guide square column 51, which is inserted into the guide groove 42, so that the first hull clamping part 3 and the second hull clamping part 5 can clamp the hull structure at the beam slot 1 in both directions more firmly, thereby further enhancing the connection stability.

[0046] In one embodiment, Figure 6 and Figure 7 As shown, the ship beam connection structure also includes a metal embedded part 6, which is fixed to the upper surface of the hull structure at the beam slot 1, and the bottom end of the long bolt 7 is fixed to the metal embedded part 6, which further enhances the stability of the connection.

[0047] In one embodiment, the metal embedded part 6 is integrally formed with the hull structure at the beam slot 1, and the metal embedded part 6 has a reserved threaded hole, and the bottom end of the long bolt 7 matches the threaded hole of the metal embedded part 6. The metal embedded part 6 is integrally formed with the hull structure at the beam slot 1, the structure is stable, and the metal embedded part 6 has a reserved threaded hole for easy connection.

[0048] like Figure 7 As shown, the metal embedded part 6 is a rectangular grid steel plate structure, and a threaded hole is reserved in the center of the rectangular grid steel plate structure.

[0049] Furthermore, the number of the metal embedded parts 6 and the number of the long bolts 7 are both two, the two long bolts 7 penetrate the clamping section 4, and the bottom ends of the two long bolts 7 are matched one by one with the threaded holes reserved in the center of the two metal embedded parts 6. The two long bolts 7 are respectively threadedly connected to the threaded holes of the two metal embedded parts 6, which is convenient to connect and has good stability.

[0050] like Figure 6 and Figure 7 As shown, the transverse connection structure adopts a transverse bolt 52, and a connecting nut 41 is reserved on the side end face of the clamping section 4. The transverse bolt 52 passes through the second hull clamping part 5 and is fixed to the connecting nut 41. When the second hull clamping part 5 is tightly fixed to the side end face of the clamping section 4 by the transverse bolt 52, the second hull clamping part 5 and the first hull clamping part 3 are respectively clamped into the two clamping grooves 2, and the second hull clamping part 5 and the first hull clamping part 3 clamp the hull structure at the beam clamping groove 1 in both directions.

[0051] In the ship beam connection structure of the present application, when the second hull bite and press part 5 is tightly fixed to the side end surface of the bite and clamp section 4 by the transverse bolt 52, the first hull bite and press part 3 and the second hull bite and press part 5 clamp the hull structure at the beam clamping groove 1 in two directions, which can be limited left and right as well as up and down, and the connection is firm; at the same time, the long bolt 7 fixes the bite and clamp section 4 and the hull 100 up and down, further enhancing the stability of the up and down fixation. The ship beam connection structure of the present application has a firm and reliable connection, and solves the problem of easy connection failure at the connection between the end of the beam and the hull;

[0052] Compared with the existing beam connection structure of a catamaran, the beam connection structure of the present application is fully limited and reinforced regardless of vertical force (up and down direction), lateral force (left and right direction) or longitudinal force (fore and aft direction), and has good stability.

[0053] like Figure 6 As shown, the side end surface of the clamping section 4 is provided with two guide grooves 42, and the second hull clamping part 5 has two transverse guide square pillars 51; the two guide square pillars 51 are inserted into the two guide grooves 42 one by one, and the connection is more stable compared to a single guide square pillar 51 inserted into a single guide groove 42. The connecting nut 41 is located between the two guide grooves 42, and the transverse bolt 52 is located between the two guide square pillars 51.

[0054] Preferably, the first hull biting and pressing part 3 is fixed to the lower surface of the biting and clamping section 4 by two or more screws.

[0055] Preferably, the depth of the beam slot 1 accommodates more than three quarters of the thickness of the beam 102 .

[0056] Furthermore, if Figure 8 and Fig. 9As shown, a beam slot 1 is provided at the top of the bow 1001 of the hull 100, and a beam slot 1 is provided at the top of the stern 1002 of the hull 100. The beam slot 1 of the bow 1001 is the same as the beam slot 1 of the stern 1002, and the inner and outer sides of each beam slot 1 are symmetrically provided with clamping grooves 2.

[0057] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0058] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0059] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A ship beam connection structure of a catamaran, comprising two hulls (100) and two beams (102), characterized in that: Two beam clamping grooves (1) are provided at the front and rear of the top of each hull (100), and clamping grooves (2) are symmetrically provided on the inner and outer sides of each beam clamping groove (1); The biting sections (4) at both ends of the beam (102) are installed in the beam slot (1), and the biting section (4) is provided with a first hull biting part (3) located on the inside and a second hull biting part (5) located on the outside; the first hull biting part (3) is fixed to the lower surface of the biting section (4), and the first hull biting part (3) is clamped in the biting groove (2) on the inside of the beam slot (1); the second hull biting part (5) is tightly fixed to the side end surface of the biting section (4) through a transverse connecting structure, and the second hull biting part (5) is clamped in the biting groove (2) on the outside of the beam slot (1); One or more long bolts (7) penetrate the clamping section (4) from top to bottom, and the bottom ends of the long bolts (7) are fixed to the hull (100).

2. The ship beam connection structure of a catamaran according to claim 1, characterized in that: The side end surface of the clamping section (4) is provided with a transverse guide groove (42), and the second hull clamping part (5) has a transverse guide square column (51); When the second hull biting and pressing part (5) is tightly fixed to the side end surface of the biting and clamping section (4) through the transverse connecting structure, the guide square column (51) is inserted into the guide groove (42).

3. The ship beam connection structure of a catamaran according to claim 1, characterized in that: The ship beam connection structure also includes a metal embedded part (6), the metal embedded part (6) is fixed to the upper surface of the hull structure at the beam slot (1), and the bottom end of the long bolt (7) is fixed to the metal embedded part (6).

4. The ship beam connection structure of a catamaran according to claim 3, characterized in that: The metal embedded part (6) is integrally formed with the hull structure at the beam slot (1), and a threaded hole is reserved in the metal embedded part (6), and the bottom end of the long bolt (7) matches the threaded hole of the metal embedded part (6).

5. The ship beam connection structure of a catamaran according to claim 3, characterized in that: The metal embedded part (6) is in the form of a rectangular grid steel plate structure, with a threaded hole reserved in the center of the rectangular grid steel plate structure.

6. The ship beam connection structure of a catamaran according to claim 5, characterized in that: The number of the metal embedded parts (6) and the number of the long bolts (7) are both two, the two long bolts (7) penetrate the clamping section (4), and the bottom ends of the two long bolts (7) are matched one by one with the threaded holes reserved in the center of the two metal embedded parts (6).

7. The ship beam connection structure of a catamaran according to claim 1, characterized in that: The transverse connection structure adopts a transverse bolt (52), and a connecting nut (41) is reserved on the side end surface of the clamping section (4); the transverse bolt (52) passes through the second hull clamping part (5) and is fixed to the connecting nut (41); When the second hull biting part (5) is tightly fixed to the side end surface of the biting section (4) by means of the transverse bolts (52), the second hull biting part (5) and the first hull biting part (3) are respectively inserted into the two biting grooves (2).

8. The ship beam connection structure of a catamaran according to claim 7, characterized in that: The side end surface of the clamping section (4) is provided with two guide grooves (42), and the second hull clamping part (5) has two transverse guide square pillars (51); the two guide square pillars (51) are inserted into the two guide grooves (42) one by one; The connecting nut (41) is located between the two guide grooves (42), and the transverse bolt (52) is located between the two guide square columns (51).

9. The ship beam connection structure of a catamaran according to claim 1, characterized in that: The first hull biting and pressing part (3) is fixed to the lower surface of the biting and clamping section (4) by means of two or more screws.

10. The ship beam connection structure of a catamaran according to claim 1, characterized in that: The depth of the beam clamping groove (1) accommodates more than three quarters of the thickness of the beam (102).