CN218912219U - Scaffold connecting piece - Google Patents

Abstract

The utility model aims at solving the problem of weak stress conditions of a force transmission structure and provides a scaffold connecting piece, which comprises a first buckle, a second buckle, a cross rod and a quick connecting piece; the first buckle and the second buckle comprise a base plate and a movable plate, a limit block is fixedly connected to one end face of the base plate along the side line of the vertical direction, an arc-shaped groove which is beneficial to clamping the upright rod is formed in one side face of the movable plate, a chute is formed in the two side faces of the movable plate, the first buckle and the second buckle are connected through quick connectors, the back of the second buckle is fixedly connected with a cross rod, and the other end of the cross rod is symmetrically fixedly connected with another group of connectors. The limiting block is in force transmission with the limiting groove, the line-changing contact is in surface contact, the stress condition of the movable structure is improved, the service life of the connecting piece is effectively prolonged, the distance adjustable range between the first buckle and the second buckle is wide, the universality of the connecting piece is improved, the chute structure of the limiting groove is used as a sliding track, and therefore the extrusion force of the movable plate to the vertical rod is increased when the connecting piece is stressed to move downwards.

Description

A scaffold connector

technical field

The utility model relates to a connecting piece, in particular to a scaffolding connecting piece.

Background technique

Scaffolding is a working platform set up to ensure the smooth progress of the building construction process. Fasteners are an indispensable part of scaffolding. Fasteners are used to connect and fix steel pipes and steel pipes to form an overall formwork structure. Currently, they are widely used The fasteners applied to scaffolding include right-angle fasteners and threaded fasteners. The above fasteners are connected and fastened by bolts and nuts. Since a large number of fasteners are needed to build scaffolding, each fastener is passed through multiple sets. Bolts and nuts are tightly connected, and the installation of bolted connections is time-consuming and laborious, which is not conducive to improving construction efficiency.

The Chinese patent with the application number 202210499470.1 discloses a scaffold connector, which includes a main rod body and connecting ends located at both ends of the main rod body. The two connecting ends are respectively detachably connected to the adjacent vertical rods of the scaffold, and the connecting ends have a back-shaped frame structure. , there are two oppositely arranged arc-shaped movable plates in sliding connection inside the connecting end, a sliding rod is arranged on the outside of the movable plate, and a long sliding hole is opened on the side wall of the connecting end, the sliding hole is inclined, and the sliding rod is set in the sliding hole Inside, the effect of quickly fixing the connecting end of the scaffold connector at any position of the pole is realized.

But this device still has some deficiencies in the actual use process:

1. The force transmitted between the main rod body and the vertical rod falls on the sliding rod and the sliding hole, and the structure of the sliding rod is relatively weak, and the sliding rod and the sliding hole are in line contact. When the force is transmitted, the pressure is relatively high. The difference is easy to wear and tear, and the service life is difficult to guarantee.

2. The diameter of the vertical rod that can be clamped by the buckle is relatively single, and the versatility is not strong.

3. The buckle is still fastened with bolts and nuts, which is not easy to install.

Utility model content

The purpose of the utility model is to provide a scaffold connector for the problem of weak force transmission structure and poor force bearing conditions.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A scaffold connector described in the utility model includes: buckle 1, buckle 2, connecting ear 1, cross bar and quick connector; buckle 1 and buckle 2 both include a base plate and a movable plate, and buckle 1 The height direction of the substrate of buckle 2 is set parallel to the axis of the vertical pole. The substrate is a rectangular plate structure and one end surface is fixed to the limit block along the vertical sideline. The limit block is a parallelogram plate structure, and the side of the limit block It is fixedly connected with the end face of the base plate. The movable plate of buckle 1 and buckle 2 is a rectangular block and the height direction of the rectangular block is set parallel to the axis of the vertical rod. One side of the movable plate is provided with an arc-shaped concave for clamping the vertical rod. groove, the surface of the arc-shaped groove is set towards the vertical rod, the side of the movable plate opposite to the arc-shaped groove is set parallel to the surface of the fixed limit block of the base plate, and the movable plate is opened on the adjacent two sides of the side where the arc-shaped groove is located. Limiting groove, the limiting groove is a slanted groove and its shape and size match the limiting block on the base plate, the limiting block is slidably connected in the limiting groove, buckle 1 and buckle 2 realize face-to-face position fixing through quick connectors , the back of buckle 2 is fastened to the cross bar, and the other end of the cross bar is symmetrically fastened to another set of fasteners 1 and 2. The two ends are fixedly connected to the first connecting ear, and the end surface of the first connecting ear is parallel to the plane where the limiting groove is located and the length direction is vertically arranged.

Adopting the above-mentioned technical scheme, through the reliable structure of the limit block and the force transmission of the limit groove, the line contact is changed to the surface contact, and the pressure at the force transmission point is reduced, which effectively improves the force condition of the movable structure, and is not easy to wear, thereby effectively extending the connecting piece. The service life of the buckle 1 and the buckle 2 can be adjusted in a wide range, which can accommodate multi-diameter vertical rods and improve the versatility of the connector. When the connecting piece moves downward under force, the extruding force of the movable plate against the upright rod is increased.

Preferably, buckle 1 and buckle 2 also include connecting ear 2, and the limit blocks of buckle 1 and buckle 2 are fixed to the side of the substrate away from the vertically arranged connecting ear 2, and the width direction of connecting ear 2 is perpendicular to On the connecting surface, the end of the connecting ear two away from the limit block is provided with a through hole allowing the quick connector to pass through.

By adopting the above technical solution, the quick connector passes through the through hole on the second connecting ear to connect buckle 1 and buckle 2, so that the connecting piece of the scaffolding connecting piece can be quickly fixed at any position of the vertical pole, and the operation is more convenient.

Preferably, the quick connector includes a detachable cap, a core rod, a sleeve rod and a fixed cap, the detachable cap is a hexagonal disc structure and is threaded on the left end of the core rod, and the core rod is a cylindrical rigid rod, which can be The axis of the cap removal coincides with the axis of the core rod. One-way teeth are set on the outer circumference of the core rod. The sleeve rod is a cylindrical structure. One-way tooth two, the right end of the sleeve rod is fixed to the fixed cap, the fixed cap is a hexagonal disc structure, the axis of the fixed cap coincides with the axis of the sleeve rod, and the end surface of the fixed cap has a size that coincides with the axis of the inner hole of the sleeve rod equal vias.

With the above technical scheme, the core rod can be inserted from the left end of the sleeve rod to the right end, which is convenient and quick to install. Compared with bolt connection, it can save a lot of construction time. The detachable cap threaded on the left end of the core rod plays a role in connection Limiting function, when the connection state is removed, the detachable cap is removed, and the core rod can pass through the right end of the sleeve rod.

Preferably, one end face of the detachable cap is fixed with a ferrule, the ferrule is a cylindrical structure and the outer peripheral surface is provided with threads, the axis of the ferrule coincides with the axis of the detachable cap, and the left end of the core rod has the same size as the ferrule. The cylindrical bearing hole is provided with threads on the inner peripheral surface, and the axis of the bearing hole coincides with the axis of the core rod.

By adopting the above technical scheme, the ferrule and the socket hole are screwed together to realize reliable connection.

Preferably, a rubber pad is provided on the inner surface of the arc-shaped groove of the movable plate, and an anti-slip pattern is provided on the inner surface of the rubber pad.

By adopting the above technical solution, the characteristics of the rubber pad are used to increase the frictional force between the movable plate and the vertical rod, so that the connection is more reliable.

Preferably, the side of the second connecting ear away from the limit block is fixed to the third connecting ear, the end face of the third connecting ear is arranged parallel to the end face of the second connecting ear, and the end face of the third connecting ear is provided on the side away from the second connecting ear for connecting the inclined rod through holes.

By adopting the above technical solution, the third connecting ear is used to connect the inclined rod to enhance the stability of the scaffold.

The utility model has the following beneficial effects: through the reliable structure of the limit block and the force transmission of the limit groove, the line contact is changed to surface contact, the pressure at the force transmission point is reduced, the stress condition at the movable structure is effectively improved, and it is not easy to wear, so that it is effective Extend the service life of the connecting piece, the distance between buckle 1 and buckle 2 can be adjusted in a wide range, and can accommodate multi-diameter vertical rods, which improves the versatility of the connecting piece, and uses the chute structure of the limiting groove as the sliding track , so that when the connecting piece moves downward under force, the extrusion force of the movable plate against the vertical rod is increased. The quick connector passes through the through hole on the connecting ear 2 to connect the buckle 1 and the buckle 2, so that the connecting piece of the scaffold connecting piece can be quickly fixed on any position of the vertical pole, and the operation is more convenient. The core rod can be inserted from the left end of the sleeve rod to the right end, which is convenient and quick to install. Compared with bolt connection, it can save a lot of construction time. The detachable cap threaded on the left end of the core rod acts as a limit when connecting In the connected state, the detachable cap is removed, and the core rod can pass through the right end of the sleeve rod. The ferrule and the socket are screwed together to achieve reliable connection. The characteristics of the rubber pad are used to increase the friction between the movable plate and the vertical rod, so that the connection is more reliable. The third connecting ear is used to connect the diagonal bar to enhance the stability of the scaffold.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the overall structural representation of scaffold connector;

Fig. 2 is the overall front view of the scaffold connector;

Fig. 3 is an enlarged schematic diagram of the positional relationship between buckle one and buckle two;

Fig. 4 is a top view of buckle 1 and buckle 2 when clamping a larger-diameter vertical rod;

Fig. 5 is a top view of buckle 1 and buckle 2 when clamping a smaller-diameter vertical rod;

Fig. 6 is a schematic diagram of the overall structure of the quick connector;

Fig. 7 is a full sectional view of the quick connector as a whole.

Explanation of reference signs, 1, buckle one; 2, buckle two; 3, connecting ear one; 4, crossbar; 5, quick connector; 6, vertical pole; 101, base plate; , movable plate; 104, limit block; 105, rubber pad; 106, connecting ear two; 107, connecting ear three; 501, detachable cap; 502, core rod; 503, sleeve rod; 504, fixed cap; 505 , one-way tooth one; 506, one-way tooth two; 507, ferrule; 508, bearing hole.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail. Wherein the same components are denoted by the same reference numerals.

A scaffold connector, as shown in Figures 1-7, comprising buckle one 1, buckle two 2, connecting ear one 3, cross bar 4 and quick connector 5; buckle one 1 and buckle two 2 both include The base plate 101 and the movable plate 103, the height direction of the base plate 101 of buckle one 1 and buckle two 2 are arranged parallel to the axis of the vertical rod 6, the base plate 101 is a rectangular plate structure and one end surface is fixed to the limit block along the edge line in the vertical direction 104, the limit block 104 is a parallelogram plate structure, the side of the limit block 104 is fixedly connected with the end face of the substrate 101, the movable plate 103 of the buckle one 1 and the buckle two 2 is a rectangular block and the height direction of the rectangular block is the same as the vertical The axis of bar 6 is arranged in parallel, and one side of movable plate 103 is provided with the arc groove that is beneficial to clamping vertical bar 6, and the arc groove face is arranged toward vertical bar 6, and the opposite side of movable plate 103 and arc groove and The surface of the base plate 101 fixedly connected to the limiting block 104 is arranged in parallel, and the movable plate 103 has a limiting groove 102 on both sides adjacent to the side where the arc-shaped groove is located. The limit block 104 is compatible, and the limit block 104 is slidably connected in the limit groove 102. The buckle one 1 and the buckle two 2 are fixed in the face-to-face position through the quick connector 5, and the back of the buckle two 2 is fixed to the cross bar 4 , the other end of the cross bar 4 is fixed symmetrically to another set of fasteners 1 and 2. Ear one 3, the end surface of the connecting ear one 3 is parallel to the plane where the limiting groove 102 is located and the length direction is vertically arranged. Buckle one 1 and buckle two 2 also include connecting ear two 106, the limit block 104 of buckle one 1 and buckle two 2 is far away from the side of the substrate 101 and fixedly connected to the vertically arranged connecting ear two 106, connecting ear two 106 The width direction of the connecting ear 106 is perpendicular to the connecting surface, and the end of the connecting ear 106 away from the limit block 104 is provided with a through hole allowing the quick connector 5 to pass through. The quick connector 5 includes a detachable cap 501, a core rod 502, a sleeve rod 503 and a fixed cap 504. The detachable cap 501 is a hexagonal disc structure and is threaded on the left end of the core rod 502. The core rod 502 is a cylinder Rigid rod, the axis of the detachable cap 501 coincides with the axis of the core rod 502, the outer circumference of the core rod 502 is provided with one-way teeth 505, the sleeve rod 503 is a cylindrical structure, the sleeve rod 503 is set on the outside of the core rod 502 and the length Shorter than the core rod 502, the inner circumference of the sleeve rod 503 is provided with a one-way tooth 2 506, and the right end of the sleeve rod 503 is fixedly connected to the fixed cap 504, which is a hexagonal disc structure, and the axis of the fixed cap 504 is in line with the sleeve rod. The axes of 503 are coincident, and the end surface of the fixed cap 504 is provided with a through hole which coincides with the axis of the inner hole of the sleeve rod 503 and is equal in size. One end face of the detachable cap 501 is fixedly connected with a ferrule 507, the ferrule 507 is a cylindrical structure and the outer peripheral surface is provided with threads, the axis of the ferrule 507 coincides with the axis of the detachable cap 501, and the left end of the core rod 502 is opened with the ferrule 507. The cylindrical bearing hole 508 with the same size has threads on the inner peripheral surface, and the axis of the bearing hole 508 coincides with the axis of the core rod 502 . The inner surface of the arc-shaped groove of the movable plate 103 is provided with a rubber pad 105, and the inner surface of the rubber pad 105 is provided with anti-skid lines. The side of the connecting ear 106 away from the limit block 104 is consolidated with the connecting ear 3 107, the end face of the connecting ear 107 is arranged parallel to the end face of the connecting ear 106, and the end face of the connecting ear 107 is opened on the side away from the connecting ear 2 106 for Through hole for connecting the diagonal rod.

Through the reliable structure of the limit block 104 and the limit groove 102, the force is changed from the line contact to the surface contact, and the pressure at the force transmission point is reduced, which effectively improves the force condition of the movable structure, and is not easy to wear, thereby effectively prolonging the service life of the connector. , the distance between buckle one 1 and buckle two 2 can be adjusted in a wide range, and can accommodate multi-diameter vertical rods 6, which improves the versatility of the connector, and uses the chute structure of the limit groove 102 as a sliding track, thereby When the connecting piece moves downward under force, the pressing force of the movable plate 103 against the upright rod 6 is increased. The quick connector 5 passes through the through hole on the connecting ear 2 106 to connect the buckle 1 and the buckle 2 2, so that the connecting piece of the scaffold connector can be quickly fixed on any position of the vertical pole 6, and the operation is more convenient. The core rod 502 can be penetrated from the left end of the sleeve rod 503 to the right end, which is convenient and quick to install. Compared with the bolt connection, it can save a lot of construction time. When the connection state is removed, the detachable cap 501 is removed, and the core rod 502 can pass through the right end of the sleeve rod 503 . The ferrule 507 and the bearing hole 508 are threadedly matched to realize a reliable connection. The characteristics of the rubber pad 105 are used to increase the frictional force between the movable plate 103 and the vertical rod 6, so that the connection is more reliable. Connecting ear three 107 is used for connecting oblique rod, strengthens the stability of scaffold.

When in use, buckle one 1 and buckle two 2 are arranged oppositely, the groove of movable plate 103 faces the vertical rod 6, and the quick connector 5 penetrates the connecting ear two 106 of buckle one 1 and buckle two 2 at the same time, and the core rod 502 Insert the sleeve rod 503 from left to right, and use the one-way tooth one 505 and one-way tooth two 506 to fasten the buckle one 1 and the buckle two 2 to any position of the vertical pole 6 quickly. When the scaffold connector has When sliding along the surface of the vertical rod 6, the movable plates 103 of the buckle one 1 and the second buckle 2 tightly clamp the vertical rod 6 under the sliding cooperation of the limit groove 102 and the limit block 104 in their respective structures. The outer circumferential surface of the movable plate 103, the rubber pad 105 on the groove surface of the movable plate 103 can also increase the friction between the two, further ensuring the reliability of the clamping; Slide the surface upwards to take it out. When the buckle 1 and buckle 2 need to be disassembled, first unscrew the detachable cap 501 from the core rod 502, and then push the core rod 502 toward the sleeve rod 503 , until the other end of the sleeve rod 503 is completely disengaged, the quick connector 5 is removed from the connecting ear 2 106 of the buckle 1 and the buckle 2 2, the buckle 1 and the buckle 2 are separated, and the disassembly is completed.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model.

Claims (6)

1. A scaffolding coupler, comprising: the connecting device comprises a first buckle (1), a second buckle (2), a first connecting lug (3), a cross rod (4) and a quick connector (5); the first buckle (1) and the second buckle (2) both comprise a base plate (101) and a movable plate (103), the base plate (101) of the first buckle (1) and the second buckle (2) are arranged in parallel with the axis of the vertical rod (6), the base plate (101) is of a rectangular plate-shaped structure, one end face of the base plate is fixedly connected with a limit block (104) along the side line of the vertical direction, the limit block (104) is of a parallelogram plate-shaped structure, the side face of the limit block (104) is fixedly connected with the end face of the base plate (101), the movable plate (103) of the first buckle (1) and the second buckle (2) is of a rectangular block, the height direction of the rectangular block is parallel to the axis of the vertical rod (6), one side face of the movable plate (103) is provided with an arc groove which is favorable for clamping the vertical rod (6), the side face of the movable plate (103) opposite to the arc groove is fixedly connected with the base plate (101) in parallel, the two adjacent side faces of the arc groove are provided with limit grooves (102), the limit grooves (102) are chute, the shape of the limit block is matched with the limit block (104) on the side face of the base plate (101), the first buckle (101) is fixedly connected with the second buckle (5) in a face-to-face position of the second buckle (5), the back of the buckle II (2) is fixedly connected with a cross rod (4), the other end of the cross rod (4) is symmetrically fixedly connected with a connecting piece formed by the other group of first fasteners and the second fasteners, the axis of the cross rod (4) is perpendicular to the connecting surface, the side surface of the cross rod (4) is close to the two ends of the buckle II (2) and fixedly connected with a connecting lug I (3), and the end face of the connecting lug I (3) is parallel to the plane where the limiting groove (102) is located and is vertically arranged in the length direction.

2. A scaffolding connector according to claim 1, wherein: the first buckle (1) and the second buckle (2) further comprise a second connecting lug (106), the limiting block (104) of the first buckle (1) and the second buckle (2) is far away from the connecting lug (106) which is vertically arranged on the side face of the base plate (101), the width direction of the second connecting lug (106) is perpendicular to the connecting face, and a through hole allowing the quick connector (5) to pass is formed in one end, far away from the limiting block (104), of the second connecting lug (106).

3. A scaffolding connector according to claim 1, wherein: the quick connector (5) comprises a detachable cap (501), a core rod (502), a sleeve rod (503) and a fixedly connected cap (504), wherein the detachable cap (501) is of a hexagonal disc structure and is in threaded connection with the left end of the core rod (502), the core rod (502) is a cylindrical rigid rod, the axis of the detachable cap (501) is coincident with that of the core rod (502), the outer circumferential surface of the core rod (502) is provided with a one-way tooth (505), the sleeve rod (503) is of a cylindrical structure, the sleeve rod (503) is sleeved outside the core rod (502) and is shorter than the core rod (502) in length, the inner circumferential surface of the sleeve rod (503) is provided with a one-way tooth (506), the right end of the sleeve rod (503) is fixedly connected with the fixedly connected cap (504), the fixedly connected cap (504) is of a hexagonal disc structure, the axis of the fixedly connected cap (504) is coincident with the axis of the sleeve rod (503), and the end surface of the fixedly connected cap (504) is provided with a through hole with the inner hole of the sleeve rod (503) in the same size.

4. A scaffolding connector according to claim 3, wherein: an inserting core (507) is fixedly connected to one end face of the detachable cap (501), the inserting core (507) is of a cylindrical structure, threads are arranged on the outer circumferential face of the inserting core, the axis of the inserting core (507) coincides with the axis of the detachable cap (501), a cylindrical bearing hole (508) with the same size as the inserting core (507) is formed in the left end of the core rod (502), threads are arranged on the inner circumferential face of the core rod, and the axis of the bearing hole (508) coincides with the axis of the core rod (502).

5. A scaffolding connector according to claim 1, wherein: the inner surface of the arc-shaped groove of the movable plate (103) is provided with a rubber cushion (105), and the inner surface of the rubber cushion (105) is provided with anti-skid patterns.

6. A scaffolding connector according to claim 2, wherein: one side surface of the second connecting lug (106) far away from the limiting block (104) is fixedly connected with a third connecting lug (107), the end surface of the third connecting lug (107) is arranged in parallel with the end surface of the second connecting lug (106), and a through hole for connecting an inclined rod is formed in one side of the end surface of the third connecting lug (107) far away from the second connecting lug (106).

Images