CN210164226U

CN210164226U - Connecting piece for scaffold cross rod

Info

Publication number: CN210164226U
Application number: CN201920801427.XU
Authority: CN
Inventors: 陈星辉
Original assignee: Hunan Anhua Formwork And Scaffold Engineering Co Ltd
Current assignee: Hunan Anhua Formwork And Scaffold Engineering Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-20
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a connecting piece for scaffold cross bar, the structure of which comprises a right connecting rod, a right connecting hole, a rotating device and a reinforcing structure, wherein the rotating device is arranged between the right connecting rod and the left connecting rod, the upper and lower shaft rods are relatively extruded to drive a limiting block to move, then the pressure to the upper and lower shaft rods is cancelled after the right connecting rod is rotated, so that the upper and lower shaft rods move under the action of a spring and drive the limiting block to move between a clamping plate and a central plate, thereby achieving the beneficial effect of rapidly rotating the right connecting rod and the left connecting rod according to actual requirements and widening the application range of the connecting piece, the reinforcing structure is arranged at the bottom ends of the right connecting rod and the left connecting rod, the right connecting rod and the left connecting rod are reinforced by a left reinforcing plate and a right reinforcing plate, and the left reinforcing plate are fixed at the bottom end of the cross bar by, the beneficial effects of reinforcing the connecting piece and reducing potential safety hazards are achieved.

Description

Connecting piece for scaffold cross rod

Technical Field

The utility model relates to a connecting piece technical field, concretely relates to scaffold frame connecting piece for horizontal pole.

Background

The scaffold is a scaffold which is erected for workers to operate and solve vertical and horizontal transportation at a construction site, the scaffold manufactured by using steel pipe materials at present mainly comprises a fastener type steel pipe scaffold, a bowl type steel pipe scaffold, a socket type steel pipe scaffold and a door type scaffold, and various types of inner scaffolds, a hanging and picking scaffold and other steel pipe material scaffolds, the socket type scaffold mainly comprises upright rods, transverse rods, inclined rods, an adjustable base, an adjustable bracket and other accessories, the upright rods are vertical support rod pieces of the socket type scaffold, the transverse rods are mainly pressure-bearing horizontal rod pieces, and special transverse rod connecting pieces are needed for fixedly connecting the transverse rods with the transverse rods, but the connecting pieces in the prior art are not convenient for angle conversion according to actual needs, the application range of the connecting pieces is reduced, and the connecting pieces are poor in stability of connection between the transverse rods, potential safety hazards are easily formed.

Disclosure of Invention

Technical problem to be solved

In order to overcome prior art not enough, provide a scaffold frame connecting piece for horizontal pole now, solved prior art connecting piece and be not convenient for carry out the angle conversion according to actual need, reduced the connecting piece application range to the steadiness that the connecting piece is connected between the horizontal pole is relatively poor, forms the problem of potential safety hazard easily.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a connecting piece for scaffold cross bar, which comprises a right connecting rod, a right connecting hole, a left connecting rod, a left connecting hole, a fixing rivet, a rotating device and a reinforcing structure, wherein the right connecting hole is arranged in the middle of the right end face of the right connecting rod, the right end of the left connecting rod is connected with the left end of the right connecting rod through the rotating device, the left connecting hole is arranged in the middle of the left end face of the left connecting rod, the fixing rivet is distributed in the middle of the top end face of the right connecting rod and the middle of the top end face of the left connecting rod, the outer end face of the fixing rivet is in threaded connection with the inner side of a threaded hole arranged in the middle of the top end face of the right connecting rod and the middle of the top end face of the left connecting rod, the rotating device is composed of a clamping plate, a central plate, an upper shaft rod, a lower, the right end face of the central plate is welded in the middle of the left end face of the right connecting rod, the top end face and the bottom end face of the central plate are attached to the top end and the bottom end face of the inner side of the clamping plate, the bottom end face of the upper shaft rod penetrates through the middle of the top end face of the clamping plate, the top end face of the lower shaft rod penetrates through the middle of the bottom end face of the clamping plate, the through holes vertically penetrate through the middle of the top end face of the clamping plate, the middle of the top end face of the central plate and the middle of the bottom end face of the clamping plate respectively, the inner top end and the inner bottom end of the through holes are rotatably connected with the outer end faces of the upper shaft rod and the lower shaft rod respectively, the limiting grooves are formed in the inner side surfaces of the through holes, the limiting blocks are arranged at the bottom end of the side surface of the upper shaft rod and the top end face of the lower shaft rod respectively .

Furthermore, the reinforcing structure consists of a left reinforcing plate, a right reinforcing plate, a supporting plate, a connecting rod, a supporting plate and a reinforcing bolt, the middle part of the left end surface of the right reinforcing plate is hinged with the middle part of the right end surface of the left reinforcing plate, the middle part of the top end surface of the supporting plate is fixedly connected with the middle parts of the bottom end surfaces of the right connecting rod and the left connecting rod, the middle part of the bottom end surface of the supporting plate is welded to the middle parts of the top end surfaces of the left reinforcing plate and the right reinforcing plate through fixing rods, the connecting rods are distributed in the middle of the top end faces of the left reinforcing plate and the right reinforcing plate, the supporting plate is in a semi-annular shape, the bottom end face of the inner side of the supporting plate is on the same horizontal end face with the bottom end face of the inner side of the right connecting hole and the left connecting hole, and the middle part of the bottom end face of the support plate and the top end face of the connecting rod are of an integrated structure, and the outer end face of the reinforcing bolt is in threaded connection with the inner sides of threaded holes penetrating through the left reinforcing plate, the right reinforcing plate, the connecting rod and the bottom end face of the support plate.

Furthermore, the middle part of the bottom end face of the upper shaft rod is provided with a groove, and the shape and the size of the groove correspond to the shape and the size of the outer side of the spring rod.

Furthermore, the top end face of going up the axostylus axostyle and the bottom face of axostylus axostyle down all are provided with soft silica gel gasket.

Furthermore, the limiting blocks are distributed with four side surfaces at equal intervals on the upper shaft rod and the lower shaft rod, and the number of the limiting grooves corresponds to that of the limiting blocks.

Furthermore, the appearance of the supporting plate is in a downward convex semi-annular shape, and the bottom end face of the inner side of the supporting plate is attached to the middle parts of the bottom end faces of the right connecting rod and the left connecting rod.

Further, the outer surface of the central plate is provided with an antirust layer, and the outer surface of the antirust layer is a smooth surface.

Furthermore, the reinforcing bolt is made of carbon steel.

Furthermore, the left reinforcing plate and the right reinforcing plate are made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving the connecting piece and be not convenient for carry out the angle conversion according to actual need, the problem of connecting piece application range has been reduced, through having set up rotating device between right connecting rod and left connecting rod, axostylus axostyle and lower axostylus axostyle remove in the through-hole through relative extrusion, and it removes in the spacing inslot to drive the stopper, rotatable right connecting rod drives well core plate and rotates 90 when the stopper no longer contacts the internal surface of splint, then the cancellation is to the pressure of upper shaft lever and lower axostylus axostyle, make upper shaft lever and lower axostylus axostyle reciprocate respectively under the effect of spring, make the stopper reciprocate thereupon and paste and tightly fix between splint and core plate, thereby make splint and core plate unable rotation, reached and rotated right connecting rod and left connecting rod 90 fast according to actual need.

2) The steadiness for solving the connecting piece and being connected between the horizontal pole is relatively poor, forms the problem of potential safety hazard easily, through having set up reinforced structure in right connecting rod and left connecting rod bottom, consolidates right connecting rod and left connecting rod through left gusset plate and right gusset plate to fix left gusset plate and right gusset plate in the bottom of horizontal pole through the reinforcing bolt, realize consolidating of connecting piece, reached and consolidated the connecting piece, reduced the beneficial effect of potential safety hazard.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a rotating device of the present invention;

FIG. 3 is a schematic view of the internal structure of the clamping plate and the central plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure A of the present invention;

fig. 5 is a schematic view of the structure of the reinforcing structure of the present invention.

In the figure: the device comprises a right connecting rod-1, a right connecting hole-2, a left connecting rod-3, a left connecting hole-4, a fixing rivet-5, a rotating device-6, a reinforcing structure-7, a clamping plate-61, a central plate-62, an upper shaft-63, a lower shaft-64, a through hole-65, a limiting groove-66, a limiting block-67, a spring-68, a spring rod-69, a left reinforcing plate-71, a right reinforcing plate-72, a supporting plate-73, a connecting rod-74, a supporting plate-75 and a reinforcing bolt-76.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a connecting member for a scaffold cross bar: comprises a right connecting rod 1, a right connecting hole 2, a left connecting rod 3, a left connecting hole 4, a fixed rivet 5, a rotating device 6 and a reinforcing structure 7, wherein the right connecting hole 2 is arranged in the middle of the right end surface of the right connecting rod 1, the right end of the left connecting rod 3 is connected with the left end of the right connecting rod 1 through the rotating device 6 in a rotating way, the middle of the left end surface of the left connecting rod 3 is provided with the left connecting hole 4, the fixed rivet 5 is distributed in the middle of the top end surface of the right connecting rod 1 and the middle of the top end surface of the left connecting rod 3, the outer side end surface of the fixed rivet 5 is in threaded connection with the inner sides of threaded holes arranged in the middle of the top end surface of the right connecting rod 1 and the middle of the top end surface of the left connecting rod 3, the rotating device 6 consists of a clamping plate 61, a central plate 62, an upper shaft rod 63, a lower shaft, the right end face of the central plate 62 is welded at the middle part of the left end face of the right connecting rod 1, the top end face and the bottom end face of the central plate 62 are jointed at the top end and the bottom end face of the inner side of the clamping plate 61, the bottom end face of the upper shaft rod 63 penetrates through the middle part of the top end face of the clamping plate 61, the top end face of the lower shaft rod 64 penetrates through the middle part of the bottom end face of the clamping plate 61, the through holes 65 vertically penetrate through the middle part of the top end face of the clamping plate 61, the middle part of the top end face of the central plate 62 and the middle part of the bottom end face of the clamping plate 61 respectively, the top end and the bottom end of the inner side of the through holes 65 are rotatably connected with the outer end faces of the upper shaft rod 63 and the lower shaft rod 64 respectively, the limiting grooves 66 are formed on the inner side surface of the through holes 65, the bottom end face of the spring rod 69 is welded to the middle of the top end face of the lower shaft rod 64, and the outer end face of the spring rod 69 is movably connected with the inner end face of the spring 68.

The reinforcing structure 7 is composed of a left reinforcing plate 71, a right reinforcing plate 72, a supporting plate 73, a connecting rod 74, a supporting plate 75 and a reinforcing bolt 76, the middle part of the left end face of the right reinforcing plate 72 is hinged to the middle part of the right end face of the left reinforcing plate 71, the middle part of the top end face of the supporting plate 73 is fixedly connected to the middle parts of the bottom end faces of the right connecting rod 1 and the left connecting rod 3, the middle part of the bottom end face of the supporting plate 73 is welded to the middle parts of the top end faces of the left reinforcing plate 71 and the right reinforcing plate 72 through a fixing rod, the connecting rod 74 is distributed in the middle parts of the top end faces of the left reinforcing plate 71 and the right reinforcing plate 72, the supporting plate 75 is semi-annular, the bottom end face of the inner side of the supporting plate 75, the bottom end face of the right connecting hole 2 and the bottom end face of the left, The threaded holes on the bottom end faces of the right reinforcing plate 72, the connecting rod 74 and the supporting plate 75 are in threaded connection inside, so that the right connecting rod 1 and the left connecting rod 3 are conveniently reinforced.

Wherein, the middle part of the bottom end surface of the upper shaft rod 63 is provided with a groove, and the shape and the size of the groove correspond to the shape and the size of the outer side of the spring rod 69.

Wherein, the top end face of going up axostylus axostyle 63 and the bottom end face of lower axostylus axostyle 64 all are provided with soft silica gel gasket, prevent to slide when extrudeing upper axostylus axostyle 63 and lower axostylus axostyle 64.

The limiting blocks 67 are equally spaced and provided with four side surfaces on the upper shaft rod 63 and the lower shaft rod 64, and the number of the limiting grooves 66 corresponds to the number of the limiting blocks 67, so that the limiting blocks 67 can fix the central plate 62 more stably.

Wherein, layer board 73 appearance is bellied semicircle form downwards to the inboard bottom face of layer board 73 fits in right connecting rod 1 and left connecting rod 3 bottom face middle part, makes layer board 73 more stable carry out more stable support to right connecting rod 1 and left connecting rod 3.

Wherein, the outer surface of the central plate 62 is provided with a rust-proof layer, and the outer surface of the rust-proof layer is a smooth surface, so that the central plate 62 can rotate in the clamping plate 61 more quickly.

The reinforcing bolt 76 is made of carbon steel, so that the hardness is high and the reinforcing bolt is not easy to damage.

The left reinforcing plate 71 and the right reinforcing plate 72 are made of stainless steel.

As can be seen from the above table, the stainless steel material used for the novel left reinforcing plate 71 and the novel right reinforcing plate 72 has better rust resistance.

The patent states: the fixed rivet 5 is a rivet-shaped object used for connecting two parts (or components) with through holes and caps at one ends, and during riveting, the riveted parts are connected by self deformation or interference, the rivets are various and are in various forms, such as R-shaped rivets, fan rivets, blind rivets (core-beating rivets), tree rivets, half-round heads, flat heads, half-hollow rivets, solid rivets, countersunk rivets, blind rivets and hollow rivets which are commonly used, the riveted parts are usually connected by self deformation, cold rivets which are generally smaller than 8 mm are used, hot rivets which are larger than the size, but exceptions exist, for example, the nameplates on some locks are riveted by using the interference amount of the rivets and lock body holes.

The working principle is as follows: firstly, the angles of the right connecting rod 1 and the left connecting rod 3 are adjusted according to actual requirements, the upper shaft rod 63 is pressed to move downwards in the through hole 65 and the lower shaft rod 64 moves upwards in the through hole 65 at the same time, the upper shaft rod 63 and the lower shaft rod 64 drive the limiting block 67 to move in the limiting groove 66, when the limiting block 64 is separated from the limiting groove 66 in the splint 61 and completely enters the limiting groove 66 in the central plate 62, the spring 68 is pressed and compressed by the upper shaft rod 63 and the lower shaft rod 64, the right connecting rod 1 can be rotated by 90 degrees, then the pressure on the upper shaft rod 63 and the lower shaft rod 64 is removed, the upper shaft rod 63 and the lower shaft rod 64 are driven by the spring 68 to move upwards and downwards in the limiting groove 66, and the limiting block 64 is positioned between the splint 61 and the inner side of the central plate 62 again, so that the central plate 62 and the clamping plate 61 cannot rotate continuously, and the right and left connecting rods 1 and 3 respectively rotate the right and left reinforcing

plates

72 and 71, then one ends of the crossbars of the two scaffolds are respectively inserted into the right and left connecting holes 2 and 4 and fixed by the fixing rivets 5, and the reinforcing bolt 76 is rotated so that the top of the reinforcing bolt 76 enters into the threaded hole reserved in advance of the crossbar for further reinforcement.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A connecting piece for a scaffold cross rod comprises a right connecting rod (1), a right connecting hole (2), a left connecting rod (3), a left connecting hole (4) and a fixing rivet (5), wherein the right connecting hole (2) is formed in the middle of the right end face of the right connecting rod (1), the right end of the left connecting rod (3) is connected with the left end of the right connecting rod (1) through a rotating device (6) in a rotating mode, the left connecting hole (4) is formed in the middle of the left end face of the left connecting rod (3), the fixing rivet (5) is distributed in the middle of the top end face of the right connecting rod (1) and the middle of the top end face of the left connecting rod (3), and the outer end face of the fixing rivet (5) is in threaded connection with the inner sides of threaded holes formed in the middle of;

the method is characterized in that: the clamping device is characterized by further comprising a rotating device (6) and a reinforcing structure (7), wherein the rotating device (6) is composed of a clamping plate (61), a central plate (62), an upper shaft rod (63), a lower shaft rod (64), a through hole (65), a limiting groove (66), a limiting block (67), a spring (68) and a spring rod (69), the clamping plate (61) is welded in the middle of the left end face of the left connecting rod (3), the middle of the right end face and the middle of the front end face and the rear end face of the clamping plate (61) are mutually communicated, the right end face of the central plate (62) is welded in the middle of the left end face of the right connecting rod (1), the top end face and the bottom end face of the central plate (62) are attached to the top end and the inner bottom end face of the clamping plate (61), the bottom end face of the upper shaft rod (63) is penetrated through the middle of the top end face of the clamping plate (61), the top end face of the lower shaft rod (64) is penetrated through 61) The spring rod structure comprises a through hole (65), a limiting groove (66), a limiting block (67), a spring rod (69), a spring rod (63), a limiting groove (66), a limiting block (64), a limiting groove (66), a limiting block (67), a limiting groove (66), a limiting block (68), a limiting block and a spring rod (69), wherein the top end of the inner side of the through hole (65) and the bottom end of the inner side of the through hole (65) are respectively connected with the end faces of the outer side of the upper shaft rod (63) and the lower shaft rod (64) in a rotating mode, the end face of the outer side of the through hole (67) is movably connected with the end face of the inner side of the limiting.

2. A connector for scaffold rails according to claim 1, wherein: the reinforcing structure (7) is composed of a left reinforcing plate (71), a right reinforcing plate (72), a supporting plate (73), a connecting rod (74), a supporting plate (75) and a reinforcing bolt (76), the middle part of the left end face of the right reinforcing plate (72) is hinged to the middle part of the right end face of the left reinforcing plate (71), the middle part of the top end face of the supporting plate (73) is fixedly connected to the middle parts of the bottom end faces of the right connecting rod (1) and the left connecting rod (3), the middle part of the bottom end face of the supporting plate (73) is welded to the middle parts of the top end faces of the left reinforcing plate (71) and the right reinforcing plate (72) through a fixing rod, the connecting rod (74) is distributed in the middle parts of the top end faces of the left reinforcing plate (71) and the right reinforcing plate (72), the supporting plate (75) is semi-annular in shape, the bottom end face of the inner side of the supporting plate (75) and the bottom end faces of the inner side of the right, the outer end face of the reinforcing bolt (76) is in threaded connection with the inner sides of threaded holes penetrating through the bottom end faces of the left reinforcing plate (71), the right reinforcing plate (72), the connecting rod (74) and the supporting plate (75).

3. A connector for scaffold rails according to claim 1, wherein: the middle part of the bottom end surface of the upper shaft rod (63) is provided with a groove, and the shape and the size of the groove correspond to the shape and the size of the outer side of the spring rod (69).

4. A connector for scaffold rails according to claim 1, wherein: the top end face of the upper shaft lever (63) and the bottom end face of the lower shaft lever (64) are both provided with soft silica gel gaskets.

5. A connector for scaffold rails according to claim 1, wherein: the limiting blocks (67) are distributed with four side surfaces of the upper shaft rod (63) and the lower shaft rod (64) at equal intervals, and the number of the positions of the limiting grooves (66) corresponds to that of the limiting blocks (67).

6. A connector for scaffold rails according to claim 2, wherein: the shape of the supporting plate (73) is in a downward convex semi-ring shape, and the bottom end surface of the inner side of the supporting plate (73) is attached to the middle parts of the bottom end surfaces of the right connecting rod (1) and the left connecting rod (3).

7. A connector for scaffold rails according to claim 1, wherein: the outer surface of the central plate (62) is provided with an antirust layer, and the outer surface of the antirust layer is a smooth surface.