Lock catch structure
By adopting the mechanical linkage design of the active lock hook and the passive lock seat in the lock structure, the problem of wasted time and reduced connection strength caused by bolt connection in the existing lock fasteners is solved, and a more stable and stronger pipe fitting connection is achieved.
Patent Information
- Application Number
- CN202421980836.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-15
AI Technical Summary
Existing lock fasteners are wasteful of time and reduced connection strength due to bolted connections in pipe fitting connections.
The mechanical linkage design between the active lock hook and the passive lock seat is adopted. The base is moved towards the active lock hook through the swing of the drive plate, thereby reducing the main body opening and clamping of the pipe fittings.
It improves the stability and strength of pipe fitting connections, simplifies the operation process, reduces the use of bolts, improves construction efficiency, and has stronger durability.
Smart Images
Figure CN222950595U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe fitting product connectors, in particular to a locking structure. Background Art
[0002] In the construction industry, clamp-type fasteners are often needed to achieve the connection between pipe fittings. For example, when connecting scaffolding or drainage pipes, clamps are usually used to clamp the joints of the two pipes, and then bolts are used to lock the openings of the clamps. However, when connecting pipe fittings such as scaffolding or drainage pipes, a large number of fasteners are usually used. Therefore, if each fastener needs to be disassembled and assembled with bolts, a lot of time will be wasted, affecting work efficiency; and bolts are easily damaged after being exposed to wind and sun for a long time, affecting the connection strength between pipe fittings and easily leading to unstable connections between pipe fittings. Utility Model Content
[0003] The utility model provides a locking structure, which solves the problems caused by bolt connection in the existing locking parts.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: a lock structure, including a main body with a cylindrical structure, an opening is arranged on the main body, and an active lock hook and a passive lock seat are arranged on the main body, which are respectively located on both sides of the opening; the passive lock seat includes a base arranged on the main body, a lock tongue and a driving part are arranged on the base, and a limited position surface is arranged on the lock tongue; the active lock hook includes a driving plate rotatably arranged on the main body and abutting and cooperating with the limiting surface and the driving part, and when the driving plate swings toward the direction of the passive lock seat, the driving plate drives the base to move toward the direction of the active lock hook through the driving part until the driving plate moves to the limiting surface of the lock tongue to achieve locking of the position of the driving plate.
[0005] The utility model is further configured as follows: the driving plate includes an operating part rotatably connected to the main body, the operating part is provided with a lock opening for the lock tongue to pass through, the limiting surface is provided on the side of the lock tongue close to the active lock hook, and the inner wall of one side of the lock opening abuts against the limiting surface; an abutting part that abuts and cooperates with the driving part is provided at one end of the operating part away from the passive lock seat; the driving part is a block structure protruding from the base, and the abutting part is located between the lock tongue and the driving part.
[0006] The utility model is further configured such that the active locking hook includes two connecting ears arranged on the main body and located on one side of the opening, the driving plate also includes a rotating part rotatably arranged between the two connecting ears, the operating part and the abutting part are respectively located on one side of the rotating part and form a lever structure with the rotating part as a fulcrum.
[0007] The utility model is further configured such that a lock port is provided on the drive plate, the limit surface is provided on the side of the lock tongue away from the active lock hook, the drive portion is provided on the upper end of the lock tongue, and is in a C-shaped structure protruding and extending in a direction away from the active lock hook, and the limit surface is provided on the lower end of the lock tongue and is in an S-shaped structure extending in a direction close to the active lock hook.
[0008] The utility model is further configured that the limiting surface is S-shaped, and is bent and extended from the base toward one side of the driving plate.
[0009] The utility model is further configured such that a fulcrum is provided on a protrusion on a side of the driving plate away from the base, and the fulcrum is located at the edge of the lock and at one side of the limiting surface.
[0010] The utility model is further configured such that a sealing plate is provided between the pair of connecting ears, and a conical sealing groove is provided at the bottom of one end of the sealing plate facing the opening; and the base extends toward the opening end to form a plug connector that abuts against the sealing groove.
[0011] The utility model is further configured that a locking mechanism for limiting the driving plate from swinging in a direction away from the lock tongue is provided between the lock tongue and the inner wall of the lock opening.
[0012] The utility model is further configured such that the locking mechanism includes a ratchet tooth arranged on one side of the limiting surface and distributed along the axial direction of the lock tongue, and a clamping portion arranged on the inner wall of the lock opening and engaged with the ratchet tooth.
[0013] The utility model is further configured such that a friction strip is protruding from the inner wall of one side of the lock opening in contact with the limiting surface.
[0014] In summary, the beneficial effects of the utility model are:
[0015] Compared with the prior art, the present invention adopts a mechanical linkage design between the active lock hook and the passive lock seat. When the driving plate swings toward the passive lock seat, the abutment portion will swing toward one side of the active lock hook, and the abutment portion of the driving plate will abut and cooperate with the driving portion on the base. Therefore, when the driving plate swings, the base will be subjected to a force in the direction of the active lock hook through the driving portion, so that the base is close to the active lock hook, thereby reducing the opening of the main body to generate a clamping force between the two pipe fittings, making the connection between the two pipe fittings more stable and reliable; at the same time, the S-shaped The limiting surface is always in contact with the inner wall of the lock mouth of the driving plate. After the driving plate rotates to the lower half of the limiting surface, the limiting surface will generate a downward extrusion force on the driving plate, thereby locking the position of the driving plate to prevent the driving plate from disengaging from the lock tongue, thereby realizing the locking between the active lock hook and the passive lock seat. In this process, when the staff connects the two pipes, there are no bolts. They only need to rotate the driving plate to engage with the lock tongue. This makes the operation more convenient, improves the construction efficiency, and the connection strength is higher, which is not easy to be damaged after being exposed to wind and sun for a long time. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural diagram of the first embodiment.
[0017] Figure 2 It is a coordination diagram of the first embodiment.
[0018] Figure 3 It is a separation schematic diagram of embodiment 1.
[0019] Figure 4 It is a three-dimensional structural diagram of the second embodiment.
[0020] Figure 5 It is a cross-sectional schematic diagram of embodiment 3.
[0021] Figure 6 It is a cross-sectional schematic diagram of the fourth embodiment.
[0022] Figure 7 yes Figure 6 A magnified schematic diagram of the friction strip.
[0023] Figure 8 It is a cross-sectional schematic diagram of the fifth embodiment.
[0024] Figure numerals: 1. main body; 2. opening; 3. active lock hook; 31. drive plate; 32. operating part; 33. lock mouth; 34. abutment part; 35. connecting ear; 36. rotating part; 4. passive lock seat; 41. base; 42. lock tongue; 43. drive part; 44. limiting surface; 5. fulcrum; 6. sealing plate; 7. plug connector; 8. locking mechanism; 81. ratchet; 82. clamping part; 83. friction strip; 9. sealing groove. DETAILED DESCRIPTION
[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of the utility model.
[0026] like Figure 1-5 As shown, this embodiment discloses a locking structure, including a main body 1 of a cylindrical structure, with an opening 2 extending along the axial direction of the main body 1 penetrating the side of the main body 1, wherein the shape of the main body 1 can be changed according to the shape of the connected pipe body.
[0027] Embodiment 1
[0028] like Figure 1 As shown, an active lock hook 3 and a passive lock seat 4 are respectively provided on the tubular main body 1, which are located on both sides of the opening 2; the passive lock seat 4 includes a base 41 arranged on the main body 1, a lock tongue 42 and a driving part 43 are provided on the base 41, and a limited position surface 44 is provided on the lock tongue 42, and the limited position surface 44 faces the active lock hook 3, and is in an S-shaped structure with the lower end bent and extended toward the passive lock seat 4 and the upper end bent and extended toward the active lock hook 3, and the driving part 43 and the lock tongue 42 can be two separate parts, which are arranged at one end of the base 41 facing the active lock hook 3, and are in a block-shaped structure protruding upward.
[0029] like Figure 2-3 As shown, the active lock hook 3 includes a drive plate 31 rotatably arranged on the main body 1 and abutting and cooperating with the limit surface 44 and the driving part 43, the drive plate 31 includes an operating part 32, the operating part 32 is provided with a locking member abutting and cooperating with the limit surface 44, the locking member is a lock port 33 that penetrates the operating part 32 and is located in the direction of the operating part 32 close to the lock tongue 42, and the end of the operating part 32 away from the passive lock seat 4 is provided with an abutting part 34 abutting and cooperating with the driving part 43; the abutting part 34 is connected to the operating part 32 through a rotating part 36 rotatably connected to the main body 1, a pair of connecting ears 35 are arranged on the main body 1, the rotating part 36 is rotatably arranged between the two connecting ears 35, and the operating part 32 and the abutting part 34 form a lever structure with the rotating part 36 as the fulcrum 5, and the abutting part 34 is located between the lock tongue 42 and the driving part 43.
[0030] When the staff needs to butt-connect two pipe fittings, first insert the butt ends of the two pipe fittings into the main body 1. At this time, since the side of the main body 1 of the tubular structure is provided with an opening 2, the inner diameter of the main body 1 is larger than the outer diameter of the pipe fitting; and when the two pipe fittings are inserted into the main body 1, the staff can rotate the driving plate 31 and swing it toward the passive lock seat 4, first let the locking opening 33 on the operating part 32 pass through the locking tongue 42, and then swing the operating part 32 toward the bottom of the locking tongue 42. During this process, the abutting part 34 on the driving plate 31 will abut against the driving part 43 on the base 41. In the process of the abutting part 34 being driven by the operating part 32 to swing upward, the driving part 43 will drive the base 41 to move in the direction of the active locking hook 3, so that the two sides of the opening 2 of the main body 1 are close to each other, and while the opening 2 is reduced, the inner diameter of the main body 1 is reduced, so that the two pipe fittings are clamped to achieve connection. The locking tongue 42 is locked and the locking nut 33 is locked.
[0031] In the above-mentioned process of connecting the pipe fittings, the user only needs to rotate the driving plate 31 in the direction of the locking tongue 42 to clamp and lock the pipe fittings, and the operation is more convenient and quick; at the same time, compared with bolts, the cooperation between the driving plate 31 and the locking tongue 42 has a simple mechanical structure and does not have excessive connection structures. Therefore, it can still ensure a strong connection strength after a long period of wind and sun exposure, avoiding damage to the locking structure and causing unstable connection between the two steel pipes.
[0032] There is a certain gap between the fulcrum 5 arranged on the edge of the lock hole 33 of the operating part 32 and the lock tongue 42. When the staff needs to release the lock between the driving plate 31 and the lock tongue 42, they can use a rod-shaped tool to insert it into the gap between the fulcrum 5 and the lock tongue 42, and then use the fulcrum 5 as a support to use the lever principle to conveniently bend and deform the lock tongue 42 away from the driving plate 31, so that the limiting surface 44 is away from the inner wall of the lock hole 33, so that the lock hole 33 of the driving plate 31 can be smoothly separated from the lock tongue 42 to achieve unlocking.
[0033] Embodiment 2
[0034] Based on the first embodiment, the present application proposes an improved solution in order to be applicable to the connection between two water pipes.
[0035] like Figure 4 As shown, a sealing plate 6 is arranged between a pair of connecting ears 35, and a conical sealing groove 9 is arranged at the bottom of one end of the sealing plate 6 facing the opening 2; the base 41 extends toward one end of the opening 2 to form a plug connector 7 that abuts against the sealing groove 9; when the staff connects the two water pipes, the abutting portion 34 on the driving plate 31 will drive the base 41 to move toward the sealing plate 6 during the process of rotating the driving plate 31, and the base 41 is provided with a plug connector 7 that abuts against the sealing groove 9 at one end of the sealing plate 6. When the base 41 moves, the plug connector 7 will be inserted into the sealing groove 9 to achieve fitting with the sealing groove 9; and when the driving plate 31 pushes the driving portion 43, since the abutting portion 34 and the operating portion 32 are in a lever structure, when the operating portion 32 swings toward the lower end of the locking tongue 42, the abutting portion 34 will generate an oblique upward force on the driving portion 43 of the base 41, so that the plug connector 7 can fit more closely with the sealing groove 9, and at the same time achieve sealing at the opening 2, avoiding leakage at the connection between the two water pipes.
[0036] Embodiment 3
[0037] On the basis of the first embodiment, the present application proposes an improved solution for application in some pipe connection structures that do not require disassembly.
[0038] like Figure 5 As shown, a locking mechanism 8 is provided between the locking tongue 42 and the inner wall of the locking port 33 for locking the relative movement between the locking tongue 42 and the driving plate 31; the locking mechanism 8 includes a ratchet 82 provided on the limiting surface 44 and distributed along its axial direction, and a clamping portion 81 provided on the inner wall of the locking port 33 and clamped with the ratchet 82.
[0039] Since the locking tongue 42 can be elastically deformed, when the operating portion 32 of the driving plate 31 swings along the locking tongue 42 toward the base 41, the clamping portion located on the inner wall of the locking port 33 will move downward along the locking tongue 42 and clamp with the ratchet 82 on the path, so that the driving plate 31 can move downward in one direction, and the clamping locking between the locking tongue and the driving plate 31 is achieved; and through multiple ratchets distributed along the axial direction of the locking tongue, the staff can lock the pipes of different diameters to the maximum extent, so as to be suitable for pipes of different diameters; on this basis, since there is no sealing plate, the driving portion on the base can pass through the gap below the driving plate, so that the abutting portion of the driving plate can tighten the pipe fitting to the maximum extent when driving the driving portion to achieve locking of the pipe fitting.
[0040] Embodiment 4
[0041] On the basis of the first or second embodiment, the present application provides an improved solution to increase the friction between the inner wall of the lock opening 33 and the limiting surface 44 on the lock tongue 42 to improve the locking effect.
[0042] like Figure 6-7 As shown, the inner wall of the lock opening 33 abutting against the limiting surface 44 is protruded with a friction strip 83, and a plurality of friction strips 83 are provided, all of which abut against the limiting surface 44, thereby increasing the friction between the inner wall of the lock opening 33 and the limiting surface 44, and increasing the locking strength between the drive plate 31 and the lock tongue 42. The friction strip 83 can also be changed to a granular structure protruding from the inner wall of the lock opening 33, and any protruding particles added to the inner wall to increase the friction effect should be within the protection scope of this application.
[0043] Embodiment 5
[0044] On the basis of embodiment one, the lock tongue 42 and the driving part 43 on the passive lock seat 4 are integrally arranged, the driving part 43 is arranged on the lock tongue 42, and the limiting surface 44 on the lock tongue 42 is arranged on the side of the lock tongue 42 away from the active lock hook 3. The driving part 43 is arranged at the upper end of the lock tongue 42, and is a C-shaped structure protruding and extending in the direction away from the active lock hook 3. The limiting surface 44 is arranged at the lower end of the lock tongue 42 and is an S-shaped structure extending in the direction close to the active lock hook 3.
[0045] like Figure 8 As shown, when the user swings the drive plate 31 in the direction of the lock tongue 42, the lock tongue 42 passes through the lock hole 33 of the drive plate 31 and the inner wall of the lock hole 33 abuts against the limit surface 44 on the lock tongue 42. In the process of swinging the drive plate 31, the inner wall of the lock hole 33 will first pass through the driving portion 43 on the lock tongue 42. The driving portion 43 is in a C-shape that protrudes in the direction away from the active lock hook 3. Therefore, in the process of the inner wall of the lock hole 33 abutting the driving portion 43, it can drive the base 41 to move in the direction close to the active lock hook 3, thereby realizing the locking of the opening 2; and when the drive plate 31 moves to the limit surface 44 located at the lower end of the lock tongue 42, the limit surface 44 is more protruding than the driving portion 43. Therefore, when the drive plate 31 passes through the limit surface 44, the lock tongue 42 will be stuck on the limit surface 44, thereby realizing the locking connection between the lock tongue 42 and the drive plate 31.
[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.
Claims
1. A lock structure, comprising a main body (1) in a cylindrical structure, wherein an opening (2) is provided through the main body (1), characterized in that: The main body (1) is provided with an active lock hook (3) and a passive lock seat (4) respectively located on both sides of the opening (2); the passive lock seat (4) comprises a base (41) arranged on the main body (1); a lock tongue (42) and a driving part (43) are arranged on the base (41); a limited position surface (44) is arranged on the lock tongue (42); the active lock hook (3) comprises a driving plate (31) rotatably arranged on the main body (1) and abutting against the limited position surface (44) and the driving part (43); when the driving plate (31) swings toward the passive lock seat (4), the driving plate (31) drives the base (41) to move toward the active lock hook (3) through the driving part (43) until the driving plate (31) moves to the limited position surface (44) of the lock tongue (42) to achieve locking of the position of the driving plate (31).
2. A locking structure according to claim 1, characterized in that: The driving plate (31) comprises an operating part (32) rotatably connected to the main body (1); a lock opening (33) for a lock tongue (42) to pass through is arranged on the operating part (32); the limiting surface (44) is arranged on a side of the lock tongue (42) close to the active lock hook (3); an inner wall of one side of the lock opening (33) abuts against the limiting surface (44); an abutting part (34) abutting against the driving part (43) is arranged at one end of the operating part (32) away from the passive lock seat (4); the driving part (43) is a block-shaped structure protruding from the base (41); and the abutting part (34) is located between the lock tongue (42) and the driving part (43).
3. A locking structure according to claim 2, characterized in that: The active locking hook (3) comprises two connecting ears (35) arranged on the main body (1) and located on one side of the opening (2); the driving plate (31) further comprises a rotating portion (36) rotatably arranged between the two connecting ears (35); the operating portion (32) and the abutting portion (34) are respectively located on one side of the rotating portion (36) and a lever structure is formed with the rotating portion (36) as a fulcrum (5).
4. A locking structure according to claim 1, characterized in that: The driving plate (31) is provided with a lock opening (33), the limiting surface (44) is provided on a side of the lock tongue (42) away from the active lock hook (3), the driving portion (43) is provided at the upper end of the lock tongue (42) and is in a C-shaped structure protruding and extending in a direction away from the active lock hook (3), and the limiting surface (44) is provided at the lower end of the lock tongue (42) and is in an S-shaped structure extending in a direction close to the active lock hook (3).
5. A locking structure according to claim 2 or 3, characterized in that: The limiting surface (44) is S-shaped and bends and extends from the base (41) toward one side of the driving plate (31).
6. A locking structure according to claim 3, characterized in that: A fulcrum (5) is provided on a protruding side of the driving plate (31) away from the base (41), and the fulcrum (5) is located at the edge of the locking opening (33) and at one side of the limiting surface (44).
7. A locking structure according to claim 3, characterized in that: A sealing plate (6) is provided between the pair of connecting ears (35), and a conical sealing groove (9) is provided at the bottom of one end of the sealing plate (6) facing the opening (2); the base (41) extends toward one end of the opening (2) to form a plug connector (7) that abuts against the sealing groove (9).
8. A locking structure according to claim 2, characterized in that: A locking mechanism (8) is provided between the locking tongue (42) and the inner wall of the locking opening (33) for limiting the swinging of the driving plate (31) in a direction away from the locking tongue (42).
9. A locking structure according to claim 8, characterized in that: The locking mechanism (8) comprises a ratchet (82) arranged on one side of the limiting surface (44) and distributed along the axial direction of the lock tongue, and a clamping portion (81) arranged on the inner wall of the lock opening (33) and clamped with the ratchet (82).
10. A locking structure according to claim 5, characterized in that: A friction strip (83) is protruding from the inner wall of the locking opening (33) on the side in contact with the limiting surface (44).