Guardrail lock and guardrail
By adopting a double locking structure in the guardrail lock, including the lock tongue and the latch, and through the design of the control parts, the problem of insufficient stability and safety of the existing guardrail lock is solved, achieving higher safety and stability.
Patent Information
- Application Number
- CN202421763246.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The stability and safety of existing guardrail locks are poor, and are easily mistakenly opened by children, affecting their safety.
A guardrail lock is designed, adopting a double locking structure, including the main buckle body and the secondary buckle body. The main buckle body is equipped with a lock tongue and a latch. The opening and closing of the lock tongue and latch are controlled respectively through the first and second control parts to ensure that the two control parts need to be pressed simultaneously to fully open the lock.
It achieves higher safety and stability, avoids the risk of accidentally touching or children's mistaken opening, and ensures the safe use of the guardrail.
Smart Images
Figure CN223034760U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guardrails, especially the technical field of guardrail locks and guardrails. Background Art
[0002] A guardrail, also known as a fence or railing, is a structure used for protection, separation or decoration, usually composed of components such as columns, crossbeams and railings. The design, form and materials of guardrails are diverse to adapt to different environments and needs. Its main functions and characteristics include: safety protection, space separation, line of sight guidance, decoration and beautification. In order to facilitate passage through the guardrail, a gate is usually set in the guardrail. Existing gates are generally locked by structures such as bolts. The bolt structure is simple, with poor stability and easy to loosen. Especially if there are children, children can easily open the bolt and pass through the gate, affecting safety. Some existing gates are locked by some simple locks, and these locks can be controlled to open only by a control component, still having a relatively high risk of being accidentally touched and opened, or being opened by children. Summary of the Invention
[0003] The purpose of the utility model is to solve the problems in the prior art, and propose a guardrail lock and a guardrail, which are provided with two sets of locking structures for double locking, more safe and stable.
[0004] To achieve the above purpose, the utility model proposes a guardrail lock, including a main buckle body and a sub-buckle body cooperating with the main buckle body. A lock tongue facing the sub-buckle body is arranged in the main buckle body. A lock port cooperating with the lock tongue is arranged on one side of the sub-buckle body close to the main buckle body. A first elastic member for driving the lock tongue to move towards the sub-buckle body is arranged in the main buckle body. A vertically arranged bolt is also connected to the main buckle body. A first control member for cooperating with the lock tongue to control the lock tongue to move away from the lock port and a second control member for cooperating with the bolt to drive the axial movement of the bolt are arranged on the main buckle body.
[0005] Preferably, the first control member is a pressing member. A convex portion is arranged on the first control member. The convex portion is provided with an inclined first control slope. A second control slope adapted to the first control slope is arranged on the lock tongue.
[0006] Preferably, the second control member is a pressing member. A clamping block is arranged on the side of the bolt. A clamping groove adapted to the clamping block is arranged on the second control member. A second elastic member for driving the second control member to move away from the main buckle body is arranged between the second control member and the main buckle body.
[0007] Preferably, one end of the second control member far from the clamping groove is hinged to the main buckle body.
[0008] Preferably, an elastic telescopic foot is provided at one end of the bolt away from the main buckle body.
[0009] Preferably, the elastic telescopic foot includes a telescopic foot body and a third spring. A cavity adapted to the telescopic foot body is provided at the end of the bolt. The telescopic foot body is axially slidably disposed in the cavity. The third spring is disposed in the cavity and is used to drive the telescopic foot body to move away from the main buckle body. A limiting chute is provided on the bolt along its axial direction, and a slider adapted to the limiting chute is provided on the telescopic foot body.
[0010] Preferably, a third inclined surface for cooperating with the lock tongue is provided on the secondary buckle body near the side of the lock opening.
[0011] Preferably, the first control member and the second control member are respectively disposed on two opposite sides of the main buckle body.
[0012] Another object of the present invention is to provide a guardrail, a fixed railing and a railing door. One side of the railing door is hinged to the fixed railing. It is characterized in that: the main buckle body and the secondary buckle body of a guardrail lock as described in any one of the above are respectively provided on the railing door and the fixed railing, and a socket adapted to the bolt is provided on the fixed railing.
[0013] Preferably, the railing door is composed of a plurality of door rods. The bolt is axially slidably disposed in any one of the door rods, and one end of the bolt near the socket extends out of the door rod.
[0014] The beneficial effects of a guardrail lock and a guardrail of the present invention: By providing two locking components, namely a lock tongue and a bolt, on the main buckle body, the lock tongue and the bolt can respectively cooperate with other components for locking. Double locking is more secure and safer. If any one of the lock tongue and the bolt fails, the lock can still remain locked, and the stability is better. By controlling the lock tongue and the bolt respectively through the first control member and the second control member, the control is more convenient. It is necessary to press the first control member and the second control member simultaneously to fully open the lock, which improves safety and avoids accidental unlocking of the lock caused by accidental touch.
[0015] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a perspective structural view of a guardrail lock of the present invention.
[0017] Figure 2 is a partially enlarged structural view of a guardrail lock of the present invention.
[0018] Figure 3 It is a partial front view sectional structure schematic diagram of a guardrail lock of the present utility model.
[0019] Figure 4 It is a schematic diagram of the structures of the first control member and the second control member.
[0020] Figure 5 It is a three-dimensional structure schematic diagram of the elastic telescopic feet.
[0021] Figure 6 It is a sectional structure schematic diagram inside the elastic telescopic feet.
[0022] Figure 7 It is a schematic diagram of the structure of the secondary buckle body.
[0023] Figure 8 It is a schematic diagram of the structure of the third buckle body.
[0024] Figure 9 It is a three-dimensional structure schematic diagram of a guardrail of the present utility model.
[0025] Figure 10 It is a front view sectional structure schematic diagram of a guardrail of the present utility model.
[0026] Among them:
[0027] 1 - main buckle body; 2 - secondary buckle body; 3 - fixed railing body; 4 - railing door; 11 - lock tongue; 12 - first elastic member; 13 - bolt; 14 - first control member; 15 - second control member; 16 - second elastic member; 17 - elastic telescopic feet; 21 - lock opening; 22 - third inclined plane; 41 - door rod; 111 - second control inclined plane; 131 - clamping block; 132 - limiting sliding groove; 141 - convex portion; 142 - first control inclined plane; 151 - clamping groove; 171 - telescopic foot body; 172 - third spring; 1311 - first conical surface; 1711 - sliding block. Specific embodiments
[0028] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present utility model and do not limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.
[0029] In the description of the present utility model, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model 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. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined. The meaning of "several" is one or more, unless otherwise specifically defined.
[0031] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected to" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment 1
[0032] Refer to Figures 1-7, a guardrail lock of the present utility model includes a main buckle body 1 and a sub-buckle body 2 that cooperates with the main buckle body 1. A lock tongue 11 facing the sub-buckle body 2 is provided inside the main buckle body 1. The lock tongue 11 is horizontally arranged. On one side of the sub-buckle body 2 close to the main buckle body 1, there is a lock port 21 that cooperates with the lock tongue 11. Inside the main buckle body 1, there is a first elastic member 12 for driving the lock tongue 11 to move towards the sub-buckle body 2. A vertically arranged bolt 13 is also connected to the main buckle body 1. On the main buckle body 1, there is a first control member 14 for cooperating with the lock tongue 11 to control the lock tongue 11 to move away from the lock port 21, and a second control member 15 for cooperating with the bolt 13 to drive the bolt 13 to axially move. In this embodiment, by providing two locking components, namely the lock tongue 11 and the bolt 13, on the main buckle body 1, the lock tongue 11 and the bolt 13 can respectively cooperate with other components for locking. The double locking is more secure and safer. Even if any one of the lock tongue 11 and the bolt 13 fails, the lock can still remain locked, with better stability. By controlling the lock tongue 11 and the bolt 13 respectively through the first control member 14 and the second control member 15, the control is more convenient. It is necessary to press the first control member 14 and the second control member 15 simultaneously to fully open the lock, which improves safety and avoids accidental unlocking of the lock caused by accidental touch.
[0033] Among them, the first control member 14 is arranged on the upper side of the main buckle body 1, and the second control member 15 is arranged on the lower side of the main buckle body 1, which is convenient for the user to press the first control member 14 and the second control member 15 simultaneously.
[0034] Refer to Figure 3 and Figure 4 , the first control member 14 is a pressing member. There is a convex portion 141 on the first control member 14. The convex portion 141 is provided with a first control inclined surface 142 arranged obliquely. There is a second control inclined surface 111 on the lock tongue 11 that is adapted to the first control inclined surface 142. When pressing the first control member 14 towards the main buckle body 1, the inclined surface of the first control member 14 can cooperate with the second control inclined surface 111 of the lock tongue 11, thereby driving the lock tongue 11 to retract towards the inside of the main buckle body 1, so that the lock tongue 11 can be separated from the sub-buckle body 2. When the first control member 14 is released, the lock tongue 11 can drive the lock tongue 11 to reset and at the same time drive the first control member 14 to reset and pop out.
[0035] Refer to Figure 3 and Figure 4 , the second control member 15 is a pressing member. There is a clamping block 131 on the side of the bolt 13. The second control member 15 is provided with a clamping groove 151 that is adapted to the clamping block 131. Between the second control member 15 and the main buckle body 1, there is a second elastic member 16 for driving the second control member 15 to move away from the main buckle body 1. The second elastic member 16 is used to drive the second control member 15 and the bolt 13 to automatically reset.
[0036] Refer to Figure 3 and Figure 4 One end of the second control member 15 away from the card slot 151 is hinged to the main buckle body 1. When the second control member 15 is pressed, the second control member 15 can flip around the hinge position and drive the bolt 13 to move together. Embodiment 2
[0037] Refer to Figure 1 、 Figure 5 and Figure 6 An elastic telescopic foot 17 is provided at one end of the bolt 13 away from the main buckle body 1. The elastic telescopic foot 17 includes a telescopic foot body 171 and a third spring 172. A cavity adapted to the telescopic foot body 171 is provided at the end of the bolt 13. The telescopic foot body 171 is axially slidably disposed in the cavity. The third spring 172 is disposed in the cavity and is used to drive the telescopic foot body 171 to move away from the main buckle body 1. A limiting chute 132 is provided on the bolt 13 along its axial direction. A slider 1711 adapted to the limiting chute 132 is provided on the telescopic foot body 171. The elastic telescopic foot 17 can retract inside when encountering resistance, which can protect the end of the bolt 13 and avoid damage to the bolt 13 caused by hard impact.
[0038] Refer to Figure 1 and Figure 8 In order to facilitate cooperation with the elastic telescopic foot 17, a third buckle body 5 is further included. The third buckle body 5 is provided with a socket adapted to the elastic telescopic foot 17. Fourth inclined surfaces are provided on both sides of the third buckle body 5. When the elastic telescopic foot 17 contacts the fourth inclined surface, the fourth inclined surface can give an upward force to the elastic telescopic foot 17 to make the elastic telescopic foot 17 retract until the elastic telescopic foot 17 moves to the socket and automatically falls into the socket.
[0039] Refer to Figure 8 A third inclined surface 22 adapted to the locking tongue 11 is provided on the auxiliary buckle body 2 near the side of the locking port 21. When the locking tongue 11 moves towards the third inclined surface 22, the third inclined surface 22 can squeeze the locking tongue 11 to compress the locking tongue 11 inward, facilitating its entry into the locking port 21. Embodiment 3
[0040] Refer to Figure 9 and Figure 10, a guardrail in this embodiment includes a fixed railing body 3 and a railing door 4. One side of the railing door 4 is hinged to the fixed railing body 3. The main buckle body 1 and the secondary buckle body 2 as described in any of the above embodiments are respectively provided on the railing door 4 and the fixed railing body 3. A third buckle body 5 is provided on the fixed railing body 3, and a socket adapted to the bolt 13 is provided on the third buckle body 5. The railing door 4 of the guardrail using the lock of this application has two locking components, namely a locking tongue 11 and a bolt 13, with more stable locking, and can lock the railing door 4 from two different positions, resulting in a better locking effect.
[0041] Refer to Figure 10 , the railing door 4 is composed of a number of vertically arranged door bars 41. The bolt 13 is axially slidably arranged inside the door bar 41 closest to the secondary buckle body 2, and one end of the bolt 13 close to the socket extends out from the door bar 41. The door bar 41 can play a role in limiting the bolt 13, making it more stable, and can hide the bolt 13 to improve the aesthetics.
[0042] The working process of this utility model:
[0043] During the working process of a guardrail lock of this utility model, when it needs to be opened, the first control member 14 and the second control member 15 need to be pressed simultaneously. When pressing the first control member 14 towards the main buckle body 1, the inclined surface of the first control member 14 can cooperate with the second control inclined surface 111 of the locking tongue 11, thereby driving the locking tongue 11 to retract towards the inside of the main buckle body 1, so that the locking tongue 11 can be separated from the secondary buckle body 2. When the first control member 14 is released, the locking tongue 11 can drive the locking tongue 11 to reset, and at the same time drive the first control member 14 to reset; when pressing the second control member 15, the second control member 15 can rotate around the hinged position and drive the bolt 13 to move together, so that the bolt is separated from the socket, and the railing door can be opened.
[0044] The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding in the existing technology. The electric slide rail slider, cylinder, welding machine, electric telescopic rod, and internal components of the controller all adopt conventional models in the existing technology, and their internal structures belong to the existing technology structures. Workers can complete normal operations on them according to the existing technology manuals. In addition, the circuit connection adopts the conventional connection method in the existing technology, and no specific description will be made here.
[0045] It should be noted that although the above embodiments have been described in this article, it does not limit the scope of patent protection of the present utility model. Therefore, based on the innovative concept of the present utility model, any changes and modifications made to the embodiments described in this article, or equivalent structural or equivalent process transformations made using the content of the specification and drawings of the present utility model, and directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of the patent of the present utility model.
Claims
1. A guardrail lock, comprising a main buckle body (1) and a secondary buckle body (2) cooperating with the main buckle body (1), characterized in that: The main buckle body (1) is provided with a lock tongue (11) arranged toward the auxiliary buckle body (2); a lock opening (21) cooperating with the lock tongue (11) is provided on a side of the auxiliary buckle body (2) close to the main buckle body (1); a first elastic member (12) for driving the lock tongue (11) to move in the direction of the auxiliary buckle body (2) is provided in the main buckle body (1); a vertically arranged latch pin (13) is further connected to the main buckle body (1); a first control member (14) for cooperating with the lock tongue (11) to control the lock tongue (11) to move in a direction away from the lock opening (21); and a second control member (15) for cooperating with the latch pin (13) to drive the latch pin (13) to move axially.
2. A guardrail lock according to claim 1, characterized in that: The first control member (14) is a pressing member, the first control member (14) is provided with a convex portion (141), the convex portion (141) is provided with an inclined first control slope (142), and the locking tongue (11) is provided with a second control slope (111) adapted to the first control slope (142).
3. A guardrail lock according to claim 1, characterized in that: The second control member (15) is a pressing member, a clamping block (131) is provided on the side of the latch pin (13), a clamping slot (151) adapted to the clamping block (131) is provided on the second control member (15), and a second elastic member (16) for driving the second control member (15) to move in a direction away from the main buckle body (1) is provided between the second control member (15) and the main buckle body (1).
4. A guardrail lock as claimed in claim 3, characterized in that: An end of the second control member (15) away from the locking slot (151) is hingedly connected to the main buckle body (1).
5. A guardrail lock according to claim 1, characterized in that: An elastic telescopic foot (17) is provided on one end of the latch pin (13) away from the main buckle body (1).
6. A guardrail lock according to claim 5, characterized in that: The elastic telescopic foot (17) comprises a telescopic foot body (171) and a third spring (172); a cavity adapted to the telescopic foot body (171) is provided at the end of the latch pin (13); the telescopic foot body (171) is axially slidably arranged in the cavity; the third spring (172) is arranged in the cavity and is used to drive the telescopic foot body (171) to move away from the main buckle body (1); a limiting sliding groove (132) is provided on the latch pin (13) along its axial direction; and a sliding block (1711) adapted to the limiting sliding groove (132) is provided on the telescopic foot body (171).
7. A guardrail lock according to claim 1, characterized in that: A third inclined surface (22) cooperating with the locking tongue (11) is provided on the auxiliary buckle body (2) near the side edge of the locking opening (21).
8. A guardrail lock as claimed in claim 1, characterized in that: The first control member (14) and the second control member (15) are respectively arranged on two opposite sides of the main buckle body (1).
9. A guardrail, comprising a fixed guardrail body (3) and a guardrail gate (4), wherein one side of the guardrail gate (4) is hingedly connected to the fixed guardrail body (3), characterized in that: The gate (4) and the fixed fence body (3) are respectively provided with a main buckle body (1) and a secondary buckle body (2) of a guardrail lock according to any one of claims 1 to 8, and the fixed fence body (3) is provided with a socket adapted to the latch (13).
10. A guardrail according to claim 9, characterized in that: The fence gate (4) is composed of a plurality of gate rods (41), the latch pin (13) is axially slidably disposed in any of the gate rods (41), and an end of the latch pin (13) close to the socket extends out of the gate rod (41).