Buckle cylinder and bolt connector for mechanical connection

Abstract

The embodiment of the utility model provides a buckling cylinder and a bolt connector for mechanical connection, and relates to the field of pipe pile construction. The buckling cylinder for mechanical connection comprises a buckling cylinder body, at least two sectioning bodies and at least two limiting tables, the at least two sectioning bodies are arranged at intervals, one ends of the sectioning bodies are connected to the buckling cylinder body, the other ends of the sectioning bodies are connected to the limiting tables in a one-to-one correspondence mode, and the sectioning bodies protrude out of the buckling cylinder body in the radial direction of the buckling cylinder body. When the buckling cylinder for mechanical connection is in an initial state, the petal bodies are in an open state, the inserting rod is placed in the buckling cylinder for mechanical connection without obstruction, then the inserting rod retracts under the force of the side wall of the sleeve in the downward moving process, and then the limiting table of the buckling cylinder for mechanical connection is clamped on the inserting rod to achieve equal-strength connection. The bolt joint comprises a buckling cylinder for mechanical connection, and has all functions of the buckling cylinder for mechanical connection.

Description

Technical Field

[0001] The utility model relates to the field of pipe pile construction, in particular to a buckle tube and a latch joint for mechanical connection. Background Art

[0002] In the construction process of precast concrete piles, a pin joint is usually used to connect the upper and lower piles to transfer force. Therefore, the primary goal of the pin joint is to achieve an equal strength connection with the pile. On the basis of meeting the equal strength connection, the requirements of construction convenience and cost rationality must also be considered.

[0003] In the existing plug joint, the buckle barrel for mechanical connection is placed in the sleeve in the lower section pile, and then the plug rod is inserted into the buckle barrel for mechanical connection to open the buckle barrel for mechanical connection, and the plug is clamped on the clamping table of the buckle barrel for mechanical connection to achieve an equal strength connection. During the connection process, the buckle barrel for mechanical connection needs to be opened, so a large space is required in the sleeve, which will cause a large gap between the buckle barrel for mechanical connection and the sleeve wall, and the buckle barrel for mechanical connection will shake. Therefore, during the plug-in process, it is easy for the plug rod to fail to be inserted into the buckle barrel for mechanical connection, and an equal strength connection cannot be achieved. Utility Model Content

[0004] The utility model provides a buckle tube and a latch joint for mechanical connection, which can ensure sufficient expansion deformation and thus improve positioning stability.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] The embodiment of the utility model provides a buckle barrel for mechanical connection, which comprises:

[0007] A buckle barrel body, at least two petal bodies and at least two limit platforms;

[0008] Among them, the at least two petal bodies are arranged at intervals, one end of the petal body is arranged on the buckle tube body, and the other end of the petal body is provided with the limit platform in a one-to-one correspondence. The petal body is arranged to protrude from the buckle tube body in the radial direction of the buckle tube body, and the side wall of the petal body is arranged to be inclined outward relative to the end surface of the buckle tube body.

[0009] Optionally, an inward sealing ring is provided at the lower end of the buckle tube body.

[0010] Optionally, an angle β is formed between the side wall of the petal body and the end surface of the buckle tube body, wherein 90°≤β≤130°.

[0011] Optionally, the buckle tube body includes a main body portion and a connecting portion connected to each other, the connecting portion is arranged at an edge of the main body portion, and one end of the petal body is arranged at the connecting portion and is spaced apart from the main body portion.

[0012] Optionally, an angle α is formed between the connecting portion and the main body portion, wherein 90°≤α≤130°.

[0013] Optionally, the number of the petal bodies is at least three, and at least three of the petal bodies are symmetrically arranged about the central axis of the buckle tube body.

[0014] Optionally, the spacing between adjacent petal bodies gradually increases in a direction away from the buckle tube body.

[0015] Optionally, an abutment portion is formed at one end of the limiting platform away from the petal body.

[0016] Optionally, the inclination slope of the side wall of the petal body is consistent with the inclination slope of the side wall of the buckle tube body.

[0017] The embodiment of the utility model further provides a plug connector, comprising:

[0018] A first sleeve, an insertion rod, a second sleeve and a buckle sleeve for mechanical connection;

[0019] The first sleeve is used to be embedded in the upper pile section, the insertion rod is connected to the first sleeve, the second sleeve is used to be embedded in the lower pile section, the buckle tube body, the petal body and the limit platform are all accommodated in the second sleeve, and the plug of the insertion rod is clamped on the limit platform.

[0020] The beneficial effects of the buckle barrel and the plug connector for mechanical connection of the embodiment of the utility model include, for example:

[0021] The buckle barrel for mechanical connection includes: a buckle barrel body, at least two petal bodies and at least two limit platforms; wherein at least two petal bodies are arranged at intervals, one end of the petal body is connected to the buckle barrel body, and the other end of the petal body is arranged on the limit platform in a one-to-one correspondence, and the petal body is arranged to protrude from the buckle barrel body in the radial direction of the buckle barrel body. In the initial state of the buckle barrel for mechanical connection, the petal body is in an open state, and the insertion rod can be inserted into the buckle barrel for mechanical connection with less force, and then the insertion rod drives the buckle barrel for mechanical connection to move downward, and the petal body of the buckle barrel for mechanical connection is retracted by the force of the side wall of the sleeve, and then the limit platform of the buckle barrel for mechanical connection is clamped on the insertion rod, and the end of the limit platform abuts against the inside of the sleeve to achieve equal strength connection.

[0022] The plug connector comprises a buckle barrel for mechanical connection, which has all the functions of a buckle barrel for mechanical connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic structural diagram of a buckle tube for mechanical connection provided in an embodiment of the utility model in a first field of view;

[0025] Figure 2 It is a schematic structural diagram of a buckle barrel for mechanical connection provided in an embodiment of the utility model in a second field of view;

[0026] Figure 3 It is a schematic structural diagram of a buckle barrel for mechanical connection provided in an embodiment of the utility model in a third field of view;

[0027] Figure 4 It is a schematic structural diagram of the plug connector provided in the embodiment of the utility model.

[0028] Icons: 100 - buckle cylinder for mechanical connection; 110 - buckle cylinder body; 1101 - main body; 1102 - connecting part; 111 - bottom ring; 120 - petal body; 130 - limit platform; 131 - abutment part; 210 - first sleeve; 310 - insertion rod; 410 - second sleeve; 1000 - pin connector. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0033] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0034] The terms "comprises," "comprising," or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0035] Unless otherwise clearly specified and limited, the terms "disposed", "connected" and the like should be understood in a broad sense. For example, "connected" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0037] Please refer to Figure 1-Figure 4 The buckle tube 100 and the plug connector 1000 for mechanical connection provided in the embodiment of the utility model can solve the above-mentioned problem, which will be described in detail below.

[0038] The buckle tube 100 for mechanical connection is applied to the pin joint 1000, and the buckle tube 100 for mechanical connection includes a buckle tube body 110, at least two petal bodies 120 and at least two limit platforms 130; wherein, at least two petal bodies 120 are arranged at intervals, one end of the petal body 120 is arranged on the buckle tube body 110, and the other end of the petal body 120 is provided with a limit platform 130 in a one-to-one correspondence, the petal body 120 is arranged to protrude from the buckle tube body 110 in the radial direction of the buckle tube body 110, and the side wall of the petal body 120 is arranged to be inclined outward relative to the end surface of the buckle tube body 110.

[0039] The buckle tube 100 for mechanical connection is in an open state in the initial state, and the insertion rod 310 can be inserted into the buckle tube 100 for mechanical connection with a small force. During the downward movement of the insertion rod 310, the buckle tube 100 for mechanical connection moving with the insertion rod 310 is subjected to the force of the side wall of the second sleeve 410, and the petal body 120 retracts inward, and then the limit platform 130 of the buckle tube 100 for mechanical connection clamps the insertion rod 310 to achieve an equal strength connection.

[0040] It is worth noting that the buckle barrel body 110, the petal body 120 and the stopper 130 can be integrally formed or assembled later, and the specific forming method is not limited. In addition, the axial cross section of the buckle barrel body 110 is circular, mainly used to match the cylindrical plug rod 310; of course, the axial cross section of the buckle barrel body 110 can also be triangular, square, pentagonal and other shapes, and is used to match the triangular, square, pentagonal plug rod 310.

[0041] Furthermore, an opening is formed on the inner side of one end of the multiple petal bodies 120 away from the buckle tube body 110 to accommodate the insertion rod 310, so that the petal bodies 120 can be firmly mounted around the insertion rod 310, and the bottom ring 111 of the buckle tube body 110 is used to support and limit the end face of the insertion rod 310, and the limit platform 130 is used to support and limit the side wall of the insertion rod 310.

[0042] refer to Figure 1 and Figure 2 The number of the petal bodies 120 is at least three, and the at least three petal bodies 120 are symmetrically arranged about the central axis of the buckle tube body 110.

[0043] In the above technical solution, by symmetrically arranging at least three petal bodies 120, the amount of expansion deformation of each petal body 120 when in contact with the insertion rod 310 can be relatively uniform, thereby preventing the problem of excessive force differences between different petal bodies 120, which may lead to easy breakage.

[0044] In this embodiment, the number of the petal bodies 120 is twelve; of course, in other embodiments of the present invention, the number of the petal bodies 120 can also be two, three, five, eight, thirteen, etc., and the specific number is not limited.

[0045] refer to Figure 1 and Figure 2 In order to ensure that the petal body 120 has a sufficiently large deformation amount when it is expanded and deformed, the spacing between adjacent petal bodies 120 can be gradually increased in the direction away from the buckle tube body 110, thereby preventing the end of the petal body 120 away from the buckle tube body 110 from being interfered with by the force of the inner wall of the second sleeve 410 during the retraction process during operation.

[0046] refer to Figure 2 and Figure 3 In order to facilitate the application of force to the insertion rod 310 from the other side, an inward sealing ring 111 is provided at the lower end of the buckle tube body 110. When the insertion rod 310 applies force downward, the head of the insertion rod 310 abuts against the sealing ring 111.

[0047] refer to Figure 3 The buckle tube body 110 includes a main body portion 1101 and a connecting portion 1102 connected to each other. The connecting portion 1102 is arranged at the edge of the main body portion 1101 , and one end of the petal body 120 is arranged at the connecting portion 1102 and is spaced apart from the main body portion 1101 .

[0048] Furthermore, an angle α is formed between the connecting portion 1102 and the main body portion 1101 , wherein 90°≤α≤130°.

[0049] In this embodiment, α=103°; in other embodiments of the present invention, α can also be 90°, 95°, 100°, 105°, 110°, 115°, 120°, 125°, 130°, and the specific angle of α is not limited. In the actual selection process, a matching buckle body 110 can be selected according to different usage conditions, that is, according to the specific structure of the plug rod 310 and the second sleeve 410.

[0050] It should be noted that the side wall of the buckle tube body 110 can also be a multi-section inclined structure, that is, the side wall of the buckle tube body 110 includes at least two first sub-segments, each of which is inclined relative to the end face of the buckle tube body 110, but the inclination slopes of adjacent first sub-segments are different.

[0051] refer to Figure 3 The side wall of the petal body 120 is inclined relative to the end surface of the buckle tube body 110; and an angle β is formed between the side wall of the petal body 120 and the end surface of the buckle tube body 110, wherein 90°≤β≤130°.

[0052] In this embodiment, β=103°; in other embodiments of the present invention, β can also be 90°, 95°, 100°, 105°, 110°, 115°, 120°, 125°, 130°, and the specific angle of β is not limited. In the actual selection process, the matching petal body 120 can be selected according to different usage conditions, that is, according to the specific structure of the plug rod 310 and the second sleeve 410.

[0053] It should be noted that the side wall of the petal body 120 can also be a multi-segment inclined structure, that is, the side wall of the petal body 120 includes at least two second sub-segments, each of which is inclined relative to the end face of the buckle tube body 110, but the inclination slopes of adjacent second sub-segments are different.

[0054] In this embodiment, in order to improve the structural consistency, the connection between the buckle tube body 110 and the petal body 120 is avoided, and the inclination slope of the side wall of the buckle tube body 110 and the side wall of the petal body 120 can be consistent, that is, α=β.

[0055] Of course, in other embodiments of the utility model, under the premise of ensuring the use effect, the inclination slopes of the side walls of the buckle tube body 110 and the side walls of the petal body 120 can be different, specifically, it can be α>β or α<β, and there is no limitation on the specific relationship between the two.

[0056] refer to Figure 3 In order to improve the connection strength of the petal body 120 and prevent the petal body 120 from being easily broken due to force, the buckle tube body 110 can include a main body part 1101 and a connecting part 1102 that are connected to each other. The connecting part 1102 is protruded from the edge of the main body part 1101, and one end of the petal body 120 is connected to the connecting part 1102 and is spaced apart from the main body part 1101.

[0057] refer to Figure 1-Figure 3 The stopper 130 is formed with an abutting portion 131 away from the petal-splitting body 120 .

[0058] When the insertion rod 310 is placed inside the buckle tube 100 for mechanical connection, the stopper 130 will contact the insertion rod 310 before the petal body 120 and the buckle tube body 110. In order to reduce the friction resistance when the stopper 130 contacts the insertion rod 310, so that the insertion rod 310 can quickly enter the inner side of the buckle tube 100 for mechanical connection, the stopper 130 and the petal body 120 are spread open and contact the buckle tube body 110, and the end of the stopper 130 away from the petal body 120 is processed to have a protruding part, thereby forming an abutment portion 131, and the abutment portion 131 abuts against the inner wall of the sleeve to ensure that it is not pulled out.

[0059] Specifically, the abutting portion 131 may be angular or rounded, and the specific shape is not limited.

[0060] refer to Figure 4 The embodiment of the utility model also provides a plug connector 1000, including a first sleeve 210, an insertion rod 310, a second sleeve 410 and a buckle sleeve 100 for mechanical connection; the first sleeve 210 is used to be pre-buried in the upper section pile, the insertion rod 310 is connected to the first sleeve 210, the second sleeve 410 is used to be pre-buried in the lower section pile, the buckle sleeve body 110, the petal body 120 and the limit platform 130 are all accommodated in the second sleeve 410, and the plug of the insertion rod 310 is clamped on the limit platform 130.

[0061] The plug connector 1000 is mainly used in the construction process of concrete precast piles, connecting between the upper pile and the lower pile to transfer force, thereby improving the mechanical properties of the overall pipe pile structure. The plug connector 1000 includes a buckle tube 100 for mechanical connection, which has all the functions of the buckle tube 100 for mechanical connection.

[0062] In summary, the buckle barrel 100 and the plug connector 1000 for mechanical connection provided by the embodiments of the present invention have at least the following advantages:

[0063] (1) In the initial state of the buckle tube 100 for mechanical connection, the petal body 120 is in an open state, and the insertion rod 310 can be inserted into the buckle tube 100 for mechanical connection with less force. Then, during the process of the insertion rod 310 driving the buckle tube 100 for mechanical connection to move downward, the petal body 120 of the buckle tube 100 for mechanical connection retracts due to the force of the side wall of the sleeve, and then the limit platform 130 of the buckle tube 100 for mechanical connection is clamped on the insertion rod 310 to achieve equal strength connection.

[0064] (2) The buckle barrel 100 for mechanical connection is provided with a bottom sealing ring 111 inwardly on the buckle barrel body 110. The bottom sealing ring 111 facilitates the insertion rod 310 to apply a downward force to the buckle barrel 100 for mechanical connection during the insertion process, and the insertion rod 310 drives the buckle barrel 100 for mechanical connection to move downward;

[0065] (3) The buckle barrel 100 for mechanical connection can improve structural consistency and avoid corners at the connection between the buckle barrel body 110 and the petal body 120 by limiting the side wall of the buckle barrel body 110 and the side wall of the petal body 120 to have the same inclination slope;

[0066] (4) The buckle tube 100 for mechanical connection has an abutment portion 131 formed at one end of the limit platform 130 away from the petal body 120, so that the abutment portion 131 and the inner wall of the sleeve can abut against each other to ensure that it is not pulled out.

[0067] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A buckle barrel for mechanical connection, characterized in that: include: A buckle tube body (110), at least two petal bodies (120) and at least two position limiting platforms (130); Wherein, the at least two petal bodies (120) are arranged at intervals, one end of the petal body (120) is arranged on the buckle tube body (110), and the other end of the petal body (120) is provided with the limit platform (130) in a one-to-one correspondence, and the petal body (120) is arranged to protrude from the buckle tube body (110) in the radial direction of the buckle tube body (110), and the side wall of the petal body (120) is arranged to be inclined outward relative to the end surface of the buckle tube body (110).

2. The buckle sleeve for mechanical connection according to claim 1, characterized in that: The lower end of the buckle tube body (110) is provided with an inwardly facing bottom sealing ring (111).

3. The buckle sleeve for mechanical connection according to claim 1, characterized in that: An included angle β is formed between the side wall of the petal body (120) and the end surface of the buckle tube body (110), wherein 90°≤β≤130°.

4. The buckle sleeve for mechanical connection according to claim 3, characterized in that: The buckle tube body (110) comprises a main body portion (1101) and a connecting portion (1102) connected to each other, wherein the connecting portion (1102) is arranged at the edge of the main body portion (1101), and one end of the petal body (120) is arranged at the connecting portion (1102) and is spaced apart from the main body portion (1101).

5. The buckle sleeve for mechanical connection according to claim 4, characterized in that: An angle α is formed between the connecting portion (1102) and the main body portion (1101), wherein 90°≤α≤130°.

6. The buckle sleeve for mechanical connection according to any one of claims 1 to 5, characterized in that: The number of the petal bodies (120) is at least three, and the at least three petal bodies (120) are symmetrically arranged about the central axis of the buckle tube body (110).

7. The buckle sleeve for mechanical connection according to any one of claims 1 to 5, characterized in that: The spacing between adjacent petal bodies (120) gradually increases in a direction away from the buckle tube body (110).

8. The buckle sleeve for mechanical connection according to any one of claims 1 to 5, characterized in that: An abutment portion (131) is formed at one end of the limiting platform (130) away from the petal body (120).

9. The buckle sleeve for mechanical connection according to claim 1, characterized in that: The inclination slope of the side wall of the petal body (120) is consistent with the inclination slope of the side wall of the buckle tube body (110).

10. A plug connector, characterized in that: include: A first sleeve (210), an insertion rod (310), a second sleeve (410), and a buckle sleeve for mechanical connection according to any one of claims 1 to 9; The first sleeve (210) is used to be embedded in the upper pile section, the insertion rod (310) is connected to the first sleeve (210), the second sleeve (410) is used to be embedded in the lower pile section, the buckle tube body (110), the petal body (120) and the buckle tube for mechanical connection of the limit platform (130) are all accommodated in the second sleeve (410), and the plug of the insertion rod (310) is clamped on the limit platform (130).

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