CN212836664U

CN212836664U - Quick-assembly connecting device for scaffold

Info

Publication number: CN212836664U
Application number: CN202021177646.4U
Authority: CN
Inventors: 郑睿
Original assignee: Jinhua dongshan machinery factory
Current assignee: Jinhua dongshan machinery factory
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-30
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to the technical field of scaffolds, in particular to a quick-assembly connecting device for scaffolds, which comprises a fixed rod, wherein four connecting lugs are uniformly and fixedly arranged on the fixed rod along the circumference, a plurality of first through holes are arranged on the connecting lugs, a plurality of connecting rods are arranged on the connecting lugs through the first through holes, two support lugs are respectively and fixedly arranged at the two ends of each connecting rod, second through holes are arranged on the support lugs, a screw rod is arranged in each first through hole in a penetrating way, a plurality of annular grooves are arranged on the screw rod, a clamping part is arranged between the screw rod and the connecting rods, the clamping part comprises a shell, a clamping rod and a sleeve, one end of the clamping rod is conical, a retaining ring is fixedly arranged on the clamping rod, a second spring is arranged on the clamping rod in a penetrating way, the clamping rod is arranged in the shell, the top end of the clamping rod is connected with a third spring, the sleeve is, the installation is troublesome, the disassembly is inconvenient, and the workload of constructors is increased.

Description

Quick-assembly connecting device for scaffold

Technical Field

The utility model relates to a scaffold frame technical field especially relates to a quick combination's connecting device for scaffold frame.

Background

The scaffold is various supports which are erected for workers to operate and solve vertical and horizontal transportation on a building construction site, and is widely applied in the field of buildings. The scaffold is commonly used in places where external walls, interior decoration or high floor height cannot be directly constructed, and is mainly used for dry-living or peripheral safety net enclosure, high-altitude installation components and the like on a platform built by the scaffold for constructors.

Scaffold on building site at present adopts the steel pipe as building the main part usually, through scaffold frame connecting device with steel pipe interconnect, takes into the platform of making things convenient for constructor to construct and the platform of depositing the construction supplies temporarily. When the scaffold that generally adopts is connected, can use a lot of bolt reciprocal anchorage, it is more troublesome when causing the installation like this, dismantle also inconvenient, increaseed constructor's work load.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a quick combination's connecting device for scaffold frame, when being used for solving scaffold frame and connecting, can use a lot of bolt reciprocal anchorages, it is more troublesome when causing the installation, it is also inconvenient to dismantle, has increaseed the problem of constructor's work load.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

a quick-combination connecting device for scaffolds comprises a fixing rod, wherein four connecting lugs are uniformly and fixedly installed on the fixing rod along the circumference, a plurality of first through holes are formed in the connecting lugs, a plurality of connecting rods are installed on the connecting lugs through the first through holes, two support lugs are respectively and fixedly installed at two ends of each connecting rod, a second through hole is formed in each support lug, the first through holes are aligned with the second through holes, a screw rod penetrates through each first through hole, a plurality of annular grooves are formed in the screw rod, a clamping piece is installed between each screw rod and each connecting rod and comprises a shell, a clamping rod and a sleeve, one end of each clamping rod is conical, a retaining ring is fixedly installed on each clamping rod, a second spring penetrates through each clamping rod and is installed in the shell, one end of each second spring is connected with the retaining ring, and the other end of each second spring is connected with the bottom of the shell, the top of joint pole is connected with the third spring, the sleeve barrel cup joints on the joint pole, the one end joint pole of third spring is connected, and the other end is connected with telescopic bottom.

Further, a third groove is formed in the clamping rod, a fourth spring is installed in the third groove, a clamping block is installed in the third groove, one end of the fourth spring is fixedly connected with the bottom of the third groove, the other end of the fourth spring is fixedly connected with the clamping block, a through groove is formed in the sleeve, the size, the shape and the clamping block of the through groove are the same, the clamping groove is formed in the sleeve, the clamping block penetrates through the clamping rod and is connected with the fourth spring, the clamping groove is formed in the sleeve, the clamping block is made to penetrate through the through groove, the sleeve and the clamping rod are relatively fixed in position, the clamping block is separated from the through groove, and the relative position of the sleeve and the clamping rod can be adjusted.

Further, a transverse plate is fixedly mounted on the support lug, a first groove is formed in the transverse plate, a third through hole is formed in the transverse plate and communicated with the first groove, a first spring is connected to the position, inside the third through hole, of the first groove, a baffle is mounted inside the first groove, one end of the first spring is connected with the bottom of the first groove, and the other end of the first spring is connected with the bottom of the baffle; when first spring was in compression state, conveniently took out the joint spare from the diaphragm.

Further, the baffle is provided with a fixing column at the position of the first spring, the fixing column is arranged in the first spring and the third through hole in a penetrating manner, and the fixing column is arranged in the first spring and the third through hole in a penetrating manner, so that the deformation of the first spring after long-term use is avoided, and the use of the baffle is influenced.

Further, a second groove is formed in the screw rod and communicated with the annular groove, so that the clamping piece is more convenient to mount, the clamping piece can be mounted in front of the screw rod, and the clamping piece can also be mounted behind the screw rod.

Further, the annular hole is formed in the sleeve, the connecting ring penetrates through the annular hole, the whole clamping piece can be hung through the connecting ring, the clamping piece can be conveniently stored in a centralized mode when not used, and loss is avoided.

The utility model discloses a quick combination's connecting device for scaffold frame, through evenly installing four engaging lugs on the circumference on the dead lever, a plurality of first through-holes have been seted up on the engaging lug, and the journal stirrup on the connecting rod has seted up the second through-hole, and the screw rod passes first through-hole and second through-hole, makes to install a plurality of connecting rods on the engaging lug; the screw rod is provided with a plurality of ring grooves, a second groove is formed in the screw rod and is communicated with the ring grooves, a clamping part is clamped between the screw rod and the connecting rod and comprises a shell, a clamping rod and a sleeve, one end of the clamping rod is conical, a retaining ring is fixedly mounted on the clamping rod, a second spring is arranged below the retaining ring on the clamping rod in a penetrating mode, the top end of the clamping rod is connected with a third spring, the sleeve is sleeved on the top end of the clamping rod, a fourth spring and a clamping block are mounted on the clamping rod through the third groove, a through groove is formed in the sleeve, the clamping block penetrates through the through groove, the clamping rod and the sleeve form a whole, the conical end of the clamping rod is abutted to the ring grooves in the screw rod, the sleeve is driven to abut against the bottom surface of the connecting rod, and the screw rod and.

Drawings

Fig. 1 is a schematic view of an installation structure of a quick-assembly scaffold connecting device according to the present invention;

fig. 2 is a schematic structural view of the present invention showing the connection rod of the quick-assembly scaffold connection device being installed separately;

fig. 3 is a schematic structural view of the connecting rod fixing of the connecting device for the fast-assembling scaffold according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 3;

fig. 6 is a schematic structural view of a screw rod of a quick-assembly scaffold connecting device according to the present invention;

fig. 7 is a schematic structural view of a clamping member of a quick-assembly connecting device for scaffolds of the present invention;

fig. 8 is a schematic view showing a disassembled structure of a clamping member of a connecting device for a scaffold for quick assembly according to the present invention;

fig. 9 is a schematic cross-sectional view of a clip of a quick-assembly scaffold connecting device according to the present invention;

FIG. 10 is a schematic view of the structure of the baffle portion of a quick-assembly scaffolding connector of the present invention;

the fixing rod 1, the connecting lug 2, the first through hole 201, the connecting rod 3, the support lug 301, the transverse plate 302, the first groove 303, the third through hole 304, the baffle 305, the fixing column 306, the first spring 307, the screw 4, the annular groove 401, the second groove 402, the clamping piece 5, the shell 501, the sleeve 502, the clamping rod 503, the connecting ring 504, the clamping block 505, the fourth spring 506, the third groove 507, the third spring 508, the second spring 509, the through groove 510 and the baffle ring 511.

Detailed Description

The invention will be described in detail with reference to the following drawings and specific embodiments:

as shown in fig. 1-10, the utility model discloses a quick combination's connecting device for scaffold frame, including dead lever 1, there are four engaging lugs 2 along the even fixed mounting of circumference on the dead lever 1, have seted up a plurality of first through-holes 201 on the engaging lug 2, install a plurality of connecting rods 3 through first through-hole 201 on the engaging lug 2, wear to be equipped with screw rod 4 in the first through-hole 201, screw rod 4 passes engaging lug 2 and connecting rod 3. A clamping piece 5 is arranged between the screw rod 4 and the connecting rod 3.

Two ends of the connecting rod 3 are respectively and fixedly provided with two support lugs 301, a second through hole is formed in each support lug 301, the first through hole 201 is aligned with the second through hole, and the diameter of the second through hole is the same as that of the first through hole 201. A transverse plate 302 is fixedly mounted on the support lug 301, a first groove 303 is formed in the transverse plate 302, a third through hole 304 is formed in the transverse plate 303, the third through hole 304 is communicated with the first groove 303, a first spring 307 is connected to the position of the third through hole 304 in the first groove 303, a baffle 305 is mounted in the first groove 303, one end of the first spring 307 is connected with the bottom of the first groove 303, and the other end of the first spring is connected with the bottom of the baffle 305. The fixed column 306 is fixedly installed on the baffle 305 at the position of the first spring 307, and the fixed column 306 penetrates through the first spring 307 and the third through hole 304, so that the influence on the use of the baffle 305 caused by the deformation of the first spring 307 after long-term use is avoided. The clamping piece 5 is arranged between the baffle 305 and the support lug 301 on the transverse plate 302, so that the stability of the clamping piece 5 is enhanced, and the clamping piece 5 is prevented from loosening due to accidents.

The clamping piece 5 comprises a shell 501, a clamping rod 503 and a sleeve 502, one end of the clamping rod 503 is conical, a blocking ring 511 is fixedly mounted on the clamping rod 503, a second spring 509 penetrates through the clamping rod 503, the clamping rod 503 is mounted in the shell 501, one end of the second spring 509 is connected with the blocking ring 511, and the other end of the second spring 509 is connected with the bottom of the shell 501. The top end of the clamping rod 503 is connected with a third spring 508, the sleeve 502 is sleeved on the clamping rod 503, one end of the third spring 508 is connected with the clamping rod 503, and the other end is connected with the bottom of the sleeve 502. A third groove 507 is formed in the clamping rod 503, a fourth spring 506 is installed in the third groove 507, a clamping block 505 is installed in the third groove 507, one end of the fourth spring 506 is fixedly connected with the bottom of the third groove 507, and the other end of the fourth spring 506 is fixedly connected with the clamping block 505, so that the clamping block 505 can move along the direction of the third groove 507. The sleeve 502 is provided with a through groove 510, and the size and shape of the through groove 510 are the same as those of the fixture 505, so that the fixture 505 can pass through the through groove 510. A plurality of annular grooves 401 are formed in the screw rod 4, a second groove 402 is formed in the screw rod 4, and the second groove 402 is communicated with the annular grooves 401. The end of the clamping rod 503 abuts against the annular groove 401, so that the clamping rod 503 is clamped between the connecting rod 3 and the screw rod 4, and the screw rod 4 is fixed, thereby fixing the connecting rod 3 between the two fixing rods 1.

The sleeve 502 is provided with an annular hole, the connecting ring 504 penetrates through the annular hole, the whole clamping piece 5 can be hung through the connecting ring 504, the clamping piece 5 can be conveniently kept in a centralized mode when not used, and loss is avoided.

The utility model discloses a use method as follows: when the connecting rod device is used, according to different construction places, connecting rods 3 with different sizes are selected, the clamping piece 5 is clamped between the baffle 305 and the support lug 301, the second through hole on the support lug 301 is aligned with the first through hole 201 on the connecting lug 2, the screw rod 4 penetrates through the first through hole 201 and the second through hole, the second groove 402 is aligned with the tail end of the clamping rod 503, when one end of the screw rod 4 abuts against one support lug 301, the screw rod 4 is rotated, the clamping rod 503 enters the annular groove 401 and abuts against the bottom of the annular groove 401, at the moment, the fourth spring 506 is in a free state, the clamping block 505 penetrates through the through groove 510, so that the clamping rod 503 drives the sleeve 502 to move and abuts against the bottom surface of the connecting rod 3, the clamping piece 5 abuts against between the screw rod 4 and the connecting rod 3, the position of the connecting rod 3 is fixed, the two fixing rods 1 are quickly and stably connected, and inclined struts can be installed between the two fixing rods, the use safety of the scaffold is greatly improved; another using method is that the screw rod 4 passes through the first through hole 201 and the second through hole, the clamping piece 5 is clamped between the baffle 305 and the support lug 301, the sleeve 502 is pressed, the sleeve 502 drives the clamping rod 503 to abut against the annular groove 401 on the screw rod 4, the sleeve 502 is slowly released, the sleeve 502 abuts against the bottom surface of the connecting rod 3, and the clamping piece 5 is pressed between the screw rod 4 and the connecting rod 3; during the dismantlement, press fixture block 505 to third recess 507 in, pull down through go-between 504, drive sleeve 502 extrusion third spring 508, the position that makes sleeve 502 and connecting rod 3 offset is loosened, press down baffle 305, make baffle 305 get into first recess 303, thereby can directly take out joint spare 5, and is convenient, swiftly, and then can take off connecting rod 3, it is more convenient to make the dismantlement, and simultaneously, continue to press down sleeve 502, go into fixture block 505 card in the casing 501, make fixture block 505 and casing 501 inner wall offset, avoid sleeve 502 and casing 501 to drop.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a quick combination's connecting device for scaffold, includes dead lever (1), its characterized in that: four connecting lugs (2) are uniformly and fixedly installed on the fixing rod (1) along the circumference, a plurality of first through holes (201) are formed in the connecting lugs (2), a plurality of connecting rods (3) are installed on the connecting lugs (2) through the first through holes (201), two support lugs (301) are respectively and fixedly installed at the two ends of the connecting rods (3), a second through hole is formed in each support lug (301), the first through holes (201) are aligned with the second through holes, a screw rod (4) is arranged in each first through hole (201) in a penetrating manner, a plurality of annular grooves (401) are formed in each screw rod (4), a clamping piece (5) is installed between each screw rod (4) and each connecting rod (3), each clamping piece (5) comprises a shell (501), a clamping rod (503) and a sleeve (502), one end of each clamping rod (503) is conical, and a retaining ring (511) is fixedly installed on each clamping rod (503), wear to be equipped with second spring (509) on joint pole (503), install in casing (501) joint pole (503), the one end and the fender ring (511) of second spring (509) are connected, the second spring (509) other end is connected with the bottom of casing (501), the top of joint pole (503) is connected with third spring (508), sleeve (502) cup joint on joint pole (503), the one end joint pole (503) of third spring (508) are connected, and the other end is connected with the bottom of sleeve (502).

2. A quick-assembly scaffolding coupler according to claim 1, further comprising: the clamping rod (503) is provided with a third groove (507), a fourth spring (506) is installed in the third groove (507), a clamping block (505) is installed in the third groove (507), one end of the fourth spring (506) is fixedly connected with the bottom of the third groove (507), the other end of the fourth spring is fixedly connected with the clamping block (505), the sleeve (502) is provided with a through groove (510), and the size and the shape of the through groove (510) are the same as those of the clamping block (505).

3. A quick-assembly scaffolding coupler according to claim 2, wherein: fixed mounting has diaphragm (302) on journal stirrup (301), first recess (303) have been seted up on diaphragm (302), third through-hole (304) and first recess (303) intercommunication, be connected with first spring (307) in the position of third through-hole (304) in first recess (303), install baffle (305) in first recess (303), the one end of first spring (307) is connected with the bottom of first recess (303), and the other end is connected with the bottom of baffle (305).

4. A quick-assembly scaffolding coupler according to claim 3, wherein: a fixed column (306) is fixedly arranged on the baffle (305) at the position of the first spring (307), and the fixed column (306) penetrates through the first spring (307) and the third through hole (304).

5. A quick-assembly scaffolding coupler according to claim 4, wherein: and a second groove (402) is formed in the screw rod (4), and the second groove (402) is communicated with the annular groove (401).

6. A quick-assembly scaffolding coupler according to claim 5, wherein: an annular hole is formed in the sleeve (502), and a connecting ring (504) penetrates through the annular hole.