Fabricated stair railing fixing device
By using fixing devices including clamping fixing devices and telescopic rods, the problem of inaccurate positioning during installation of prefabricated stair railings is solved, precise control of height, verticality and flatness is achieved, and construction efficiency and quality are improved.
Patent Information
- Application Number
- CN202421653129.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The prefabricated stair railings are inaccurately positioned during installation, and the height, verticality and flatness are difficult to ensure, resulting in low construction efficiency, high cost and difficult to achieve accurate installation.
The fixing device including a first support device, a first telescopic rod, a second telescopic rod and a clamping fixing device is adopted to clamp the stair railing by clamping the fixing device, and the position of the stair railing is adjusted by using the telescopic rod to adjust the installation accuracy and precise positioning.
It improves construction accuracy and installation efficiency, ensures the height, verticality and flatness of the stair railings, reduces labor costs and construction periods, and meets the requirements of construction quality and efficiency.
Smart Images

Figure CN222797096U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stair railing installation equipment, in particular to an assembled stair railing fixing device. Background Art
[0002] Stair railings are an essential part of the safety facilities of building stairs and passages. They not only provide safety protection and add beauty, but also have strong and durable materials, reliable installation and stable structure. At the same time, they meet national design specifications and standards, can resist external loads, and ensure structural stress and earthquake safety.
[0003] At present, the installation and construction of stair railings is done by driving expansion screws into the stair tread structure with external force after the main structure is constructed, and then welding and fixing the uprights and components of the stair railings. The precise measurement requirements for railing installation are extremely strict, and precise positioning is also required during the welding process. The operation is relatively difficult, and the height, verticality and flatness of the stair railings cannot be reliably guaranteed.
[0004] When welding and fixing the uprights and components of the stair railings, improper installation will burn through the rod material, and the cost of repairing or replacing the rods is high, which will affect the safety experience and service life. In addition, the railings cannot be disassembled, and it is impossible to adjust them later. The welding work is huge and the construction period is long. It cannot be assembled and constructed quickly. At the same time, a large amount of manpower is required, and the labor cost is extremely high. The construction efficiency is low, the economic benefits are low, and the project quality and benefit goals cannot be achieved.
[0005] Prefabricated stair railings refer to stair railings that are prefabricated and then transported to the site for installation, which reduces the welding process and improves construction efficiency. However, there are difficulties in how to position and install the prefabricated stair railings. Utility Model Content
[0006] The utility model aims to provide a fixing device for assembled stair railings, which solves the problems that assembled stair railings are not accurately positioned during installation and the height, verticality and flatness are difficult to ensure.
[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is: an assembled stair railing fixing device, comprising a first supporting device, a first telescopic rod, a second telescopic rod and a clamping fixing device;
[0008] The first supporting device comprises a base, a third telescopic rod and a connecting seat; the third telescopic rod is vertically arranged, with a lower end connected to the base and an upper end connected to the connecting seat;
[0009] A first telescopic rod is horizontally arranged at the right end of the connecting seat;
[0010] A second telescopic rod, a plurality of which are provided along the telescopic direction of the first telescopic rod;
[0011] A plurality of clamping and fixing devices are provided, which are respectively arranged at the ends of the second telescopic rods and are used for clamping the stair railings.
[0012] As a further technical solution of the above scheme, the clamping and fixing device includes a fixed seat, a movable gasket and a tension bolt; the fixed seat is U-shaped and is arranged at the end of the second telescopic rod; one end of the movable gasket is hinged to the left side of the fixed seat, and the other end is rotated close to the stair railing and then a tension bolt is used to pass through the movable gasket and the right side of the fixed seat to complete the fixation.
[0013] As a further technical solution of the above solution, a groove is provided on the side wall of the second telescopic rod, and a sliding block is provided on the fixing seat and is slidably disposed in the groove.
[0014] As a further technical solution of the above solution, locking knobs are provided on the first telescopic rod, the second telescopic rod and the third telescopic rod.
[0015] As a further technical solution of the above solution, it also includes a second supporting device, which has the same structure as the first supporting device and is arranged at the right end of the first telescopic rod.
[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects: the utility model clamps and fixes the stair railings through a clamping and fixing device, uses the first telescopic rod, the second telescopic rod and the third telescopic rod to adjust the position of the stair railings, realizes installation accuracy adjustment, improves construction accuracy, and meets construction requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a front structural schematic diagram of the utility model.
[0018] Figure 2 It is a schematic diagram of the top structure of the utility model.
[0019] Figure 3 It is a front structural schematic diagram of another embodiment of the utility model.
[0020] The meanings of the numbers in the figure are: first supporting device-1; base-11; third telescopic rod-12; connecting seat-13; first telescopic rod-2; second telescopic rod-3; clamping fixture-4; fixing seat-41; movable gasket-42; tension bolt-43; locking knob-5; second supporting device-6; stair railing-7; groove-8. DETAILED DESCRIPTION
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the accompanying drawings in the embodiments of the utility model, so as to have a further understanding of the concept of the utility model, the technical problems solved, the technical features constituting the technical solutions and the technical effects brought about.
[0022] like Figure 1-Figure 3 As shown, an assembled stair railing fixing device comprises a first supporting device 1, a first telescopic rod 2, a second telescopic rod 3 and a clamping fixing device 4;
[0023] The first supporting device 1 comprises a base 11, a third telescopic rod 12 and a connecting seat 13; the third telescopic rod 12 is vertically arranged, with the lower end connected to the base 11 and the upper end connected to the connecting seat 13;
[0024] The first telescopic rod 2 is horizontally arranged at the right end of the connecting seat 13;
[0025] A plurality of second telescopic rods 3 are provided along the telescopic direction of the first telescopic rod 2;
[0026] There are multiple clamping and fixing devices 4, which are respectively arranged at the ends of the second telescopic rod 3 and are used to clamp the stair railing 7.
[0027] When using the device, the base 11 is set at the installation position of the stair railing, and the clamping and fixing device 4 is used to clamp the stair railing 7 for fixing, thereby ensuring the verticality of the stair railing 7. The first telescopic rod 2 is used to move in the horizontal direction to adjust the distance between multiple assembled stair railings 7. The second telescopic rod 3 is used to telescope and drive the clamping and fixing device 4 to move, thereby realizing the front and rear position adjustment of the stair railing 7. The third telescopic rod 12 is used to move in the vertical direction to adjust the height of the stair railing 7. After reaching the preset position, assembly and installation are realized, thereby improving the installation accuracy.
[0028] like Figure 1 and Figure 2 As shown, as a preferred embodiment, the clamping and fixing device 4 includes a fixing seat 41, a movable gasket 42 and a tension bolt 43; the fixing seat 41 is U-shaped and is arranged at the end of the second telescopic rod 3; one end of the movable gasket 42 is hinged to the left side of the fixing seat 41, and the other end is rotated close to the stair railing 7 and then the tension bolt 43 is used to pass through the movable gasket 42 and the right side of the fixing seat 41 to complete the fixation. In this embodiment, when the stair railing 7 needs to be clamped and fixed, the second telescopic rod 3 is first used to drive the fixing seat 41 to move to the stair railing 7. Since the fixing seat 41 is U-shaped, the stair railing 7 enters the fixing seat 41 from the opening, the movable gasket 42 is rotated to press against the stair railing 7, and the tension bolt 43 is used to pass through the movable gasket 42 and the fixing seat 41 to form a closed structure to complete the fixation. After the clamping and fixing device 4 is clamped, the stair railing 7 moves with the movement of the second telescopic rod 3, thereby realizing the adjustment of the position.
[0029] like Figure 3 As shown, as a preferred embodiment, the side wall of the second telescopic rod 3 is provided with a groove 8; the fixing seat 41 is provided with a slider, which is slidably arranged in the groove 8. In this embodiment, the groove 8 is provided on the second telescopic rod 3, and the slider on the fixing seat 41 can move along the groove 8, so as to more flexibly adjust the positions between the multiple clamping and fixing devices 4, thereby realizing the adjustment of the stair railing 7.
[0030] like Figure 1 and Figure 2 As shown, as a preferred embodiment, the first telescopic rod 2, the second telescopic rod 3 and the third telescopic rod 12 are provided with a locking knob 5. In this embodiment, the first telescopic rod 2, the second telescopic rod 3 and the third telescopic rod 12 are locked using the locking knob 5 after the positions are adjusted, thereby improving the stability of the device.
[0031] like Figure 1 and Figure 2 As shown, as a preferred embodiment, it also includes a second supporting device 6, the second supporting device 6 has the same structure as the first supporting device 1, and the second supporting device 6 is arranged at the right end of the first telescopic rod 2. In this embodiment, the second supporting device 6 is arranged at the right end of the first telescopic rod 2. When the first telescopic rod 2 extends to the right, the second supporting device 6 is arranged at the right end of the first telescopic rod 2 to support the right side, thereby improving the stability of the device.
[0032] The words “connection” and “fixation” appearing in the description of the present invention may refer to fixed connection, processing and forming, welding, or mechanical connection. The specific meanings of the above terms in the present invention shall be understood according to the specific circumstances.
[0033] In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., which indicate the orientation or position relationship, are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying a specific orientation that the device or element referred to must have, and therefore cannot be understood as a limitation on the present invention.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. An assembled stair railing fixing device, characterized in that: It comprises a first supporting device (1), a first telescopic rod (2), a second telescopic rod (3) and a clamping and fixing device (4); The first supporting device (1) comprises a base (11), a third telescopic rod (12) and a connecting seat (13); the third telescopic rod (12) is arranged vertically, with a lower end connected to the base (11) and an upper end connected to the connecting seat (13); A first telescopic rod (2) is horizontally arranged at the right end of the connecting seat (13); A plurality of second telescopic rods (3) are provided along the telescopic direction of the first telescopic rod (2); A plurality of clamping and fixing devices (4) are provided, each of which is arranged at the end of the second telescopic rod (3) and is used to clamp the stair railing (7).
2. The assembled stair railing fixing device according to claim 1, characterized in that: The clamping and fixing device (4) comprises a fixing seat (41), a movable gasket (42) and a tension bolt (43); the fixing seat (41) is U-shaped and is arranged at the end of the second telescopic rod (3); one end of the movable gasket (42) is hinged to the left side of the fixing seat (41), and the other end is rotated close to the stair railing (7) and then the tension bolt (43) is used to pass through the movable gasket (42) and the right side of the fixing seat (41) to complete the fixation.
3. The assembled stair railing fixing device according to claim 2, characterized in that: The side wall of the second telescopic rod (3) is provided with a groove (8); the fixing seat (41) is provided with a sliding block which is slidably disposed in the groove (8).
4. The assembled stair railing fixing device according to claim 1, characterized in that: The first telescopic rod (2), the second telescopic rod (3) and the third telescopic rod (12) are provided with locking knobs (5).
5. The assembled stair railing fixing device according to claim 1, characterized in that: It also comprises a second supporting device (6), the second supporting device (6) having the same structure as the first supporting device (1), and the second supporting device (6) being arranged at the right end of the first telescopic rod (2).