CN218912219U

CN218912219U - Scaffold connecting piece

Info

Publication number: CN218912219U
Application number: CN202223424474.8U
Authority: CN
Inventors: 常燕辉; 徐帅; 于政; 姬建刚; 杨佳军; 耿宝银; 蔡亚宽; 李闯; 胡林林
Original assignee: Cccc Construction Group Second Engineering Co ltd; CCCC Construction Group Co Ltd
Current assignee: Cccc Construction Group Second Engineering Co ltd; CCCC Construction Group Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-25
Anticipated expiration: 2032-12-19

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

Scaffold connecting piece

Technical Field

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

Background

The scaffold is the work platform who builds in order to guarantee that the work progress of building goes on smoothly, and the fastener is the indispensable component part of scaffold, and the fastener is used for the connection between steel pipe and the steel pipe to be fixed, forms holistic die carrier structure, has right angle fastener and screw thread fastener etc. by the fastener of wide application in scaffold at present, and above-mentioned fastener all is connected fastening through bolt and nut, because need use a large amount of fasteners when setting up the scaffold, and every fastener all is connected fastening through multiunit bolt-nut, and bolted connection installs time and energy, is unfavorable for improving efficiency of construction.

The chinese patent of application number 202210499470.1 discloses a scaffold connecting piece, including the body of rod and locate the link at body of rod both ends, two link can dismantle with the adjacent pole setting of scaffold respectively and be connected, and the link is the frame construction that returns, and the inside sliding connection of link has two arc fly leaves that set up relatively, and the fly leaf outside is equipped with the slide bar, and the link lateral wall is opened there is rectangular slide hole, and the slide hole is the slope setting, and the slide bar slides and sets up in the slide hole, has realized the effect of fixing the link of scaffold connecting piece in the optional position of pole setting fast.

However, the device still has some defects in the actual use process:

1. the force transferred between the main rod body and the vertical rod falls on the sliding rod and the sliding hole, the sliding rod structure is weak, the sliding rod and the sliding hole are in line contact, the pressure intensity is high during force transmission, the stress condition is poor, the abrasion is easy, and the service life is difficult to guarantee.

2. The diameter of the vertical rod which can be clamped by the buckle is single, and the universality is not strong.

3. The buckle still uses bolts and nuts to connect and fasten, and is not convenient to install.

Disclosure of Invention

The utility model aims to provide a scaffold connecting piece aiming at the problem of weak stress conditions of a force transmission structure.

The technical aim of the utility model is realized by the following technical scheme:

the utility model relates to a scaffold connecting piece, which comprises: the device comprises a first buckle, a second buckle, a first connecting lug, a cross rod and a quick connector; the first buckle and the second buckle respectively comprise a base plate and a movable plate, the base plate is of a rectangular plate-shaped structure, one end face of the base plate is fixedly connected with a limiting block along the side line of the vertical direction, the limiting block is of a parallelogram plate-shaped structure, the side face of the limiting block is fixedly connected with the end face of the base plate, the movable plate of the first buckle and the movable plate of the second buckle are of a rectangular block, the height direction of the rectangular block is parallel to the axis of the vertical rod, an arc groove is formed in one side face of the movable plate, which is favorable for clamping the vertical rod, of the arc groove, a limiting groove is formed in the side face, opposite to the arc groove, of the movable plate, in parallel with the side face of the base plate, of the limiting block, the movable plate is in the shape and size of the limiting block, the limiting groove is matched with the limiting block on the base plate, the limiting block is in sliding connection with the limiting groove, the first buckle and the second buckle are fixedly connected with a cross rod in a face-to-face mode through quick connector, the other end face of the cross rod is symmetrically fixedly connected with a connecting piece which is formed by the first buckle and the second buckle, the axis of the cross rod is perpendicular to the connecting face, the two ends of the cross rod side face of the cross rod is close to the first buckle and the first connecting lug is fixedly connected with the end face of the connecting lug, and the limiting groove is parallel to the limiting groove of the limiting groove.

By adopting the technical scheme, the force is transferred through the limiting block with reliable structure and the limiting groove, the line contact is changed into the surface contact, the pressure intensity at the force transfer part is reduced, the stress condition of the movable structure part is effectively improved, the abrasion is not easy, the service life of the connecting piece is effectively prolonged, the adjustable range of the distance between the first buckle and the second buckle is wide, the vertical rod with multiple diameters can be accommodated, the universality of the connecting piece is improved, the chute structure of the limiting groove is utilized as a sliding track, and the extrusion force of the movable plate to the vertical rod is increased when the stress of the connecting piece moves downwards.

Preferably, the first buckle and the second buckle further comprise a second connecting lug, the limiting block of the first buckle and the second buckle is far away from the connecting lug II which is vertically arranged in a side face fixedly connected mode of the base plate, the width direction of the second connecting lug is perpendicular to the connecting face, and a through hole allowing the quick connector to pass through is formed in one end, far away from the limiting block, of the second connecting lug.

By adopting the technical scheme, the quick connector passes through the through hole on the second connecting lug to connect the first buckle and the second buckle, so that the connector of the scaffold connector can be quickly fixed at any position of the vertical rod, and the operation is more convenient.

Preferably, the quick connector comprises a detachable cap, a core rod, a sleeve rod and a fixedly connected cap, wherein the detachable cap is of a hexagonal disc structure and is in threaded connection with the left end of the core rod, the core rod is a cylindrical rigid rod, the axis of the detachable cap coincides with the axis of the core rod, the outer circumferential surface of the core rod is provided with one-way teeth I, the sleeve rod is of a cylindrical structure, the sleeve rod is sleeved outside the core rod and is shorter than the core rod in length, the inner circumferential surface of the sleeve rod is provided with one-way teeth II, the right end of the sleeve rod is fixedly connected with the fixedly connected cap, the fixedly connected cap is of a hexagonal disc structure, the axis of the fixedly connected cap coincides with the axis of the sleeve rod, and the end face of the fixedly connected cap is provided with a through hole with the axis of an inner hole of the sleeve rod, and the through hole is equal in coincident size.

By adopting the technical scheme, the core rod can penetrate from the left end of the loop bar to the right end and pass out, the installation is convenient and quick, compared with the bolt connection, a great amount of construction time can be saved, the detachable cap in threaded connection with the left end of the core rod plays a limiting role in connection, and when the connection state is removed, the detachable cap is detached, and the core rod can pass out from the right end of the loop bar.

Preferably, an end face of the detachable cap is fixedly connected with a core insert, the core insert is of a cylindrical structure, threads are arranged on the outer circumferential surface of the core insert, the axis of the core insert is coincident with the axis of the detachable cap, a cylindrical bearing hole with the same size as the core insert is formed in the left end of the core rod, threads are arranged on the inner circumferential surface of the core rod, and the axis of the bearing hole is coincident with the axis of the core rod.

By adopting the technical scheme, the lock pin is matched with the bearing hole in a threaded connection manner, so that reliable connection is realized.

Preferably, the inner surface of the arc-shaped groove of the movable plate is provided with a rubber mat, and the inner surface of the rubber mat is provided with anti-skid patterns.

By adopting the technical scheme, the friction force between the movable plate and the upright rod is increased by utilizing the characteristics of the rubber pad, so that the connection is more reliable.

Preferably, a side surface of the second connecting lug, which is far away from the limiting block, is fixedly connected with a third connecting lug, the end surface of the third connecting lug is parallel to the end surface of the second connecting lug, and a through hole for connecting the inclined rod is formed in one side of the three end surface of the connecting lug, which is far away from the second connecting lug.

By adopting the technical scheme, the three purposes of the connecting lug are used for connecting the inclined rod, so that the stability of the scaffold is enhanced.

The utility model has the following beneficial effects: the limiting block with reliable structure is in force transmission with the limiting groove, the line-changing contact is in surface contact, the pressure intensity at the force transmission position is reduced, the stress condition of the movable structure is effectively improved, the movable structure is not easy to wear, the service life of the connecting piece is effectively prolonged, the distance between the first buckle and the second buckle is wide in adjustable range, the upright rods with multiple diameters can be accommodated, 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 upright rods is increased when the connecting piece is stressed to move downwards. The quick connector passes through the through hole on the second connecting lug to connect the first buckle with the second buckle, so that the connector of the scaffold connector can be quickly fixed at any position of the vertical rod, and the operation is more convenient. The core rod can penetrate from the left end of the loop bar to the right end and pass out, so that the installation is convenient and quick, a large amount of construction time can be saved compared with the bolt connection, the detachable cap in threaded connection with the left end of the core rod plays a limiting role in connection, and when the connection state is removed, the detachable cap is detached, and the core rod can pass out from the right end of the loop bar. The lock pin is matched with the bearing hole in a threaded connection manner, so that reliable connection is realized. The friction force between the movable plate and the vertical rod is increased by utilizing the characteristic of the rubber pad, so that the connection is more reliable. The three-purpose connecting lug is used for connecting the diagonal rod, and stability of the scaffold is enhanced.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic view of the overall construction of a scaffolding coupler;

fig. 2 is a front view of the entire scaffolding coupler;

FIG. 3 is an enlarged schematic view of the positional relationship between the first and second buckles;

FIG. 4 is a top view of a first and second clasp holding a larger diameter pole;

FIG. 5 is a top view of a buckle one and a buckle two clamping smaller diameter poles;

FIG. 6 is a schematic view of the overall construction of the quick connector;

fig. 7 is a full cross-sectional view of the quick connector as a whole.

Reference numerals indicate that 1, a first buckle; 2. a second buckle; 3. a first connecting lug; 4. a cross bar; 5. a quick connector; 6. a vertical rod; 101. a substrate; 102. a limit groove; 103. a movable plate; 104. a limiting block; 105. rubber cushion; 106. a second connecting lug; 107. a third connecting lug; 501. a removable cap; 502. a core bar; 503. a loop bar; 504. fixedly connecting a cap; 505. one-way teeth I; 506. unidirectional teeth II; 507. a core insert; 508. and (5) bearing holes.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

1-7, the scaffold connecting piece 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 respectively comprise a base plate 101 and a movable plate 103, the height direction of the base plate 101 of the first buckle 1 and the second buckle 2 is parallel to the axis of the vertical rod 6, the base plate 101 is of a rectangular plate-shaped structure, a limit block 104 is fixedly connected with one end face along the edge 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 beneficial to clamping the vertical rod 6, the arc groove faces towards the vertical rod 6, the side face of the movable plate 103 opposite to the arc groove is parallel to the face of the base plate 101 fixedly connected with the limit block 104, the limiting grooves 102 are formed in two adjacent side surfaces of the movable plate 103 where the arc-shaped grooves are formed, the limiting grooves 102 are inclined grooves, the shape and the size of the limiting grooves are matched with those of the limiting blocks 104 on the base plate 101, the limiting blocks 104 are connected in a sliding mode in the limiting grooves 102, the first buckle 1 and the second buckle 2 are fixed in a face-to-face mode through the quick connector 5, the back face of the second buckle 2 is fixedly connected with the cross rod 4, the other end of the cross rod 4 is symmetrically fixedly connected with a connecting piece formed by the first buckle and the second buckle, the axis of the cross rod 4 is perpendicular to the connecting surface, the side surfaces of the cross rod 4 are close to the two ends of the second buckle 2 to be fixedly connected with the first connecting lugs 3, and the end faces of the first connecting lugs 3 are parallel to the plane where the limiting grooves 102 are located and are vertically arranged in the length direction. 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 side face of the base plate 101, the second connecting lug 106 is fixedly connected with 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 through is formed in one end, far away from the limiting block 104, of the second connecting lug 106. 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 the axis 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 axis of the inner hole of the sleeve rod 503, which is coincident with the axis of the inner hole of the sleeve rod 503. 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 507, the axis of the inserting core 507 is coincident 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 is coincident 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 patterns. One side surface of the second connecting lug 106, which is 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 parallel to 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, which is far away from the second connecting lug 106.

The limiting block 104 with reliable structure is in force transmission with the limiting groove 102, the line-changing contact is in surface contact, the pressure intensity at the force transmission part is reduced, the stress condition at the movable structure part is effectively improved, the abrasion is not easy, the service life of the connecting piece is effectively prolonged, the adjustable range of the distance between the first buckle 1 and the second buckle 2 is wide, the upright rod 6 with multiple diameters can be accommodated, the universality of the connecting piece is improved, the chute structure of the limiting groove 102 is utilized as a sliding track, and therefore the extrusion force of the movable plate 103 to the upright rod 6 is increased when the stress of the connecting piece moves downwards. The quick connector 5 passes through the through hole on the second connecting lug 106 to connect the first buckle 1 and the second buckle 2, so that the connector of the scaffold connector can be quickly fixed at any position of the vertical rod 6, and the operation is more convenient. The core rod 502 can penetrate from the left end of the sleeve rod 503 to the right end, the installation is convenient and quick, compared with the bolt connection, a great amount of construction time can be saved, the detachable cap 501 in threaded connection with the left end of the core rod 502 plays a limiting role in connection, and when the connection state is removed, the detachable cap 501 is detached, and the core rod 502 can penetrate from the right end of the sleeve rod 503. The ferrule 507 and the bearing hole 508 are in threaded connection and matched, so that reliable connection is realized. The friction force between the movable plate 103 and the vertical rod 6 is increased by utilizing the characteristic of the rubber pad 105, so that the connection is more reliable. The third connecting lug 107 is used for connecting the diagonal rods, so that the stability of the scaffold is enhanced.

When the scaffold connecting piece is used, the first buckle 1 and the second buckle 2 are oppositely arranged, the grooves of the movable plate 103 face the vertical rod 6, the quick connector 5 simultaneously penetrates into the second connecting lug 106 of the first buckle 1 and the second buckle 2, the core rod 502 penetrates into the sleeve rod 503 from left to right, the first buckle 1 and the second buckle 2 are quickly fixed at any position of the vertical rod 6 by means of clamping of the first unidirectional tooth 505 and the second unidirectional tooth 506, when the scaffold connecting piece has a sliding trend along the surface of the vertical rod 6, the movable plate 103 of the first buckle 1 and the second buckle 2 respectively tightly clamps the outer circumferential surface of the vertical rod 6 under the sliding fit of the limiting groove 102 and the limiting block 104 in the respective structures, and the rubber cushion 105 on the groove surface of the movable plate 103 can also increase the friction force between the two, so that the clamping reliability is further ensured; when the scaffold connecting piece is disassembled, the scaffold connecting piece can be taken out only by sliding the connecting piece upwards along the surface of the vertical rod 6, when the scaffold connecting piece is required to be disassembled between the first buckle 1 and the second buckle 2, the detachable cap 501 is firstly unscrewed from the core rod 502, then the core rod 502 is pushed towards the direction of the sleeve rod 503 until the scaffold connecting piece is completely separated from the other end of the sleeve rod 503, the quick connecting piece 5 is removed from the second connecting lug 106 of the first buckle 1 and the second buckle 2, and the first buckle 1 and the second buckle 2 are separated to finish the disassembly.

This specific example is merely illustrative of the utility model and is not intended to be limiting.

Claims

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).