Vertical push-pull stair mold
By designing corrugated plates, bending plates, and limiting structures, and combining the use of ball bearings and bolts, the friction problem during guide rail replacement in vertical push-pull staircase molds was solved, enabling convenient replacement and fixation of the guide rails and ensuring smooth mold sliding.
Patent Information
- Application Number
- CN202520340049.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing vertical sliding staircase molds, friction can easily cause the inner wall of the guide rail to become rough during guide rail replacement, resulting in obstructed sliding.
The guide rail is designed with a combination of corrugated plates, bent plates, and limiting structures, and uses ball bearings and bolts to facilitate easy replacement and fixation, avoiding prolonged friction.
This allows for easy replacement of the guide rails, avoids rough inner walls, and ensures smooth sliding of the movable staircase mold.
Smart Images
Figure CN223948141U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to stair mould technical field, especially, relate to a vertical push-pull stair mould. BACKGROUND
[0002] The vertical push-pull stair mould is a tool specially used for prefabricating stairs in construction, and its main function is to make concrete or other building materials form into stairs according to design requirements through accurate cooperation of the mould.
[0003] Since the prefabricated stairs are mainly produced through cooperation of the stair mould and the movable stair mould, and the movable stair mould needs to slide frequently, in order to facilitate replacement of the guide rail, the vertical push-pull stair mould is designed, which mainly limits the installation position of the guide rail through cooperation of the corrugated plate, the bent plate and the limiting structure, and fixes the position of the guide rail through the action of the bolt, so as to facilitate replacement of the guide rail, thereby avoiding the rough inner wall of the guide rail caused by long-time friction between the movable stair mould and the inner wall of the guide rail, and preventing the movable stair mould from being blocked. SUMMARY
[0004] The utility model aims to provide a vertical push-pull stair mould, which has the purpose of facilitating replacement of the guide rail to avoid the rough inner wall of the guide rail caused by long-time friction between the movable stair mould and the inner wall of the guide rail, and preventing the movable stair mould from being blocked, so as to solve the above background technical problems.
[0005] The technical scheme for solving the above technical problems is as follows: a vertical push-pull stair mould, which comprises two hollow grooves opened on the top of a support mould table, wherein the inner cavity of the hollow groove is slidably connected with a guide rail, the left and right sides of the guide rail are fixedly connected with corrugated plates, the left and right sides of the inner cavity of the hollow groove are fixedly connected with two thickened limiting strips, a bent plate is welded between the two thickened limiting strips, the inner cavity of the corrugated plate is fixedly connected with a thickened plate, a limiting circular groove is opened in the inner cavity of the bent plate, a limiting structure is arranged on the surface of the thickened plate, the limiting structure comprises a circular hole opened on the surface of the thickened plate, and the inner cavity of the circular hole is fixedly connected with a support circular tube.
[0006] Preferably, the inner cavity of the support circular tube is slidably connected with a circular ring, the inner cavity of the circular ring is rollingly connected with a ball, and a spring is welded between the inner cavities of the circular ring and the support circular tube.
[0007] Preferably, the surface of the ball is fixedly connected to the inner cavity of the limiting circular groove, and the side opposite to the guide rail of the corrugated plate is fixedly connected with a guide limiting strip.
[0008] Preferably, the thickened limiting strip is provided with a limiting guide groove on one side close to the guide rail, the surface of the guide limiting strip is slidably connected to the inner cavity of the limiting guide groove, and screw holes are formed in the inner cavity of the hollow groove and the surface of the guide rail.
[0009] Preferably, the inner cavity of the screw hole is threadedly connected with a bolt, the surface of the bolt is slidably connected with a rubber gasket, and the rubber gasket is located between the bolt and the surface of the guide rail.
[0010] Preferably, the top of the supporting mold table is fixedly connected with a stair mold through a bolt, the top of the supporting mold table is slidably connected with a movable stair mold, and the bottom of the movable stair mold is slidably connected to the inner cavity of the guide rail.
[0011] The beneficial effects of the present application are as follows:
[0012] 1. The guide rail is pushed in the front-to-rear mode, the subsequent rebound force makes the ball fall into the inner cavity of the limiting circular groove, thereby limiting the position of the guide rail, and then the guide rail is fixed through the bolt, so that the guide rail can be conveniently replaced, thereby avoiding the rough inner wall of the guide rail caused by the long-time friction between the movable stair mold and the inner wall of the guide rail, and the sliding of the movable stair mold is not blocked.
[0013] 2. The guide limiting strip and the limiting guide groove are used in cooperation, so that the guide rail obtains a straight translational direction guide force during sliding in the inner cavity of the hollow groove, and the guide rail is limited during sliding in the inner cavity of the hollow groove.
[0014] 3. The rubber gasket is arranged, so that the bolt and the surface of the guide rail obtain a buffering protection force, and the bolt and the guide rail obtain an opposite tightening force under the action of the material of the rubber gasket, so that the guide rail is better fixed. BRIEF DESCRIPTION OF DRAWINGS
[0015] Among them:
[0016] Figure 1 It is a front view schematic diagram of one embodiment of the present application;
[0017] Figure 2 It is a front view split schematic diagram of one embodiment of the present application;
[0018] Figure 3 It is an inner cavity schematic diagram of a bending plate of one embodiment of the present application;
[0019] Figure 4 It is an inner cavity schematic diagram of a wave-shaped plate of one embodiment of the present application;
[0020] Figure 5For an embodiment of the utility model Figure 5 The local enlarged view of point A.
[0021] In the drawings, the component list represented by each sign is as follows:
[0022] 1, support die table, 2, hollow groove, 3, guide rail, 4, wave plate, 5, thickened limit strip, 6, bending plate, 7, thickened plate, 8, limit round groove, 9, limit structure, 91, round hole, 92, support round tube, 93, circular ring, 94, ball, 95, spring, 10, guide limit strip, 11, limit guide groove, 12, screw hole, 13, bolt, 14, rubber gasket, 15, stair mold, 16, movable stair mold. Specific embodiments
[0023] In the following, the embodiment of the vertical push-pull stair mold of the utility model will be described with reference to the drawings.
[0024] Embodiment one:
[0025] Figures 1-5 The vertical push-pull stair mold of an embodiment of the utility model is shown, which comprises: two hollow grooves 2 opened in the top of the support die table 1; the inner cavity of the hollow groove 2 is slidably connected with the guide rail 3, the left and right sides of the guide rail 3 are both fixedly connected with the wave plate 4, the left and right sides of the inner cavity of the hollow groove 2 are both fixedly connected with two thickened limit strips 5, the bending plate 6 is welded between the two thickened limit strips 5, the inner cavity of the wave plate 4 is fixedly connected with the thickened plate 7, the inner cavity of the bending plate 6 is provided with the limit round groove 8, the surface of the thickened plate 7 is provided with the limit structure 9, the limit structure 9 comprises the round hole 91 opened in the surface of the thickened plate 7, the inner cavity of the round hole 91 is fixedly connected with the support round tube 92, the inner cavity of the support round tube 92 is slidably connected with the circular ring 93, the inner cavity of the circular ring 93 is rollingly connected with the ball 94, the spring 95 is welded between the inner cavities of the circular ring 93 and the support round tube 92, the surface of the ball 94 is fixedly connected to the inner cavity of the limit round groove 8, the side, opposite to the wave plate 4, of the guide rail 3 is fixedly connected with the guide limit strip 10, the side, close to the guide rail 3, of the thickened limit strip 5 is provided with the limit guide groove 11, the surface of the guide limit strip 10 is slidably connected to the inner cavity of the limit guide groove 11, through the cooperation of the guide limit strip 10 and the limit guide groove 11, the guide rail 3 can obtain the straight translational direction guiding force in the sliding process in the inner cavity of the hollow groove 2, the guide rail 3 can be limited when sliding in the inner cavity of the hollow groove 2, the inner cavity of the hollow groove 2 and the surface of the guide rail 3 are both provided with the screw hole 12.
[0026] Embodiment two:
[0027] Figures 1-5The vertical push-pull stair mold shown in an embodiment of the utility model, it includes: two hollow grooves 2 are opened in the top of support mold platform 1: the inner chamber of hollow groove 2 is slidably connected with guide rail 3, the left and right sides of guide rail 3 are all fixedly connected with corrugated plate 4, the left and right sides of the inner chamber of hollow groove 2 are all fixedly connected with two thickened limit strips 5, the welding plate 6 is welded between the two thickened limit strips 5, the inner chamber of corrugated plate 4 is fixedly connected with thickened plate 7, the inner chamber of bending plate 6 is provided with limit circular groove 8, the surface of thickened plate 7 is provided with limit structure 9, limit structure 9 includes the circular hole 91 being opened in the surface of thickened plate 7, the inner chamber of circular hole 91 is fixedly connected with support circular tube 92, the inner chamber of screw hole 12 is threadedly connected with bolt 13, the surface of bolt 13 is slidably connected with rubber pad 14, rubber pad 14 is between the surface of bolt 13 and guide rail 3, through the setting of rubber pad 14, the buffer protection force between the surface of bolt 13 and guide rail 3 can be obtained, and under the material quality of rubber pad 14 itself, the opposite tension between bolt 13 and guide rail 3 is obtained, so that guide rail 3 obtains better fixing effect, the top of support mold platform 1 is fixedly connected with stair mold 15 through bolt, the top of support mold platform 1 is slidably connected with movable stair mold 16, the bottom of movable stair mold 16 is slidably connected in the inner chamber of guide rail 3.
[0028] Working principle: when the utility model is used, the user places guide rail 3 in the inner chamber of hollow groove 2, and pushes guide rail 3 in the way of front-to-back, at this time, the cooperation of guide limit strip 10 and limit guide groove 11 can make guide rail 3 slide stably and linearly in the inner chamber of hollow groove 2, and make thickened plate 7 slide to the inner chamber of bending plate 6, after the surface of ball 94 contacts the inner wall of bending plate 6, it slides closely to the inner wall of bending plate 6 until it slides to the position of limit circular groove 8, then the resilience of 85 makes ball 94 fall into the inner chamber of limit circular groove 8, and then the position of guide rail 3 is limited, then guide rail 3 is fixed through bolt 13 and screw hole 12, when it is needed to be disassembled and replaced, bolt 13 is removed, and guide rail 3 is pulled to make ball 94 separate from the inner chamber of limit circular groove 8, so that guide rail 3 can be replaced conveniently, to avoid that the inner wall of guide rail 3 is rough due to the long-time friction between movable stair mold 16 and the inner wall of guide rail 3, and movable stair mold 16 is blocked.
[0029] In summary: the vertical push-pull stair mold, guide rail 3 is pushed in the way of front-to-back, then the resilience of 85 makes ball 94 fall into the inner chamber of limit circular groove 8, and then the position of guide rail 3 is limited, then guide rail 3 is fixed through bolt 13, so that guide rail 3 can be replaced conveniently, to avoid that the inner wall of guide rail 3 is rough due to the long-time friction between movable stair mold 16 and the inner wall of guide rail 3, and movable stair mold 16 is blocked.
Claims
1. A vertical push-pull stair mold characterized by, The utility model provides a stair mould support mould table, including two hollow grooves (2) opened in the top of support mould table (1), the inner chamber sliding joint of hollow groove (2) has guide rail (3), both sides of guide rail (3) are all fixedly connected with corrugated plate (4), both sides of hollow groove (2) inner chamber are all fixedly connected with two thickened limit strip (5), and the welding of two thickened limit strip (5) between is bent plate (6), the inner chamber of corrugated plate (4) is fixedly connected with thickened plate (7), the inner chamber of bent plate (6) is equipped with limit round groove (8), the surface of thickened plate (7) is provided with limit structure (9), limit structure (9) includes the round hole (91) of being equipped in the surface of thickened plate (7), the inner chamber of round hole (91) is fixedly connected with support circular tube (92).
2. A vertical push-pull stair mold according to claim 1, wherein The inner chamber sliding joint of support circular tube (92) has circular ring (93), the inner chamber rolling joint of circular ring (93) has ball (94), and the inner chamber between circular ring (93) and support circular tube (92) is welded with spring (95).
3. A vertical push-pull stair mold according to claim 2, wherein, The surface of ball (94) is fixedly connected in the inner chamber of limit round groove (8), and the side of corrugated plate (4) opposite to guide rail (3) is fixedly connected with guide limit strip (10).
4. A vertical push-pull stair mold according to claim 3, wherein The side of thickened limit strip (5) close to guide rail (3) is equipped with limit guide groove (11), the surface of guide limit strip (10) is slidingly connected in the inner chamber of limit guide groove (11), and the surface of guide rail (3) and the inner chamber of hollow groove (2) are all equipped with screw hole (12).
5. A vertical push-pull stair mold according to claim 4, wherein, The inner chamber of screw hole (12) is screwed with bolt (13), the surface of bolt (13) is slidingly connected with rubber pad (14), and rubber pad (14) is located between the surface of bolt (13) and guide rail (3).
6. A vertical push-pull stair mold according to claim 5, wherein, The top of support mould table (1) is fixedly connected with stair mould (15) through bolt, the top of support mould table (1) is slidingly connected with movable stair mould (16), and the bottom of movable stair mould (16) is slidingly connected in the inner chamber of guide rail (3).