CN210508349U

CN210508349U - Scaffold fastener

Info

Publication number: CN210508349U
Application number: CN201921293110.6U
Authority: CN
Inventors: 柴森; 柴士涵
Original assignee: Jiangsu World Exhibition Group Co ltd
Current assignee: Jiangsu World Exhibition Group Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-12
Anticipated expiration: 2029-08-09

Abstract

The utility model belongs to the technical field of scaffold equipment, and relates to a scaffold fastener, which comprises a main base, wherein two clamping arms which are mutually matched are hinged on the main base, and a pressing block which can be lifted and moved is also arranged on the main base so as to push the clamping arms to open or close; the main base is further provided with a limiting pin for limiting the lifting limit position of the pressing block, and an elastic reset device is arranged between the pressing block and the main base. The utility model discloses the product structure is ingenious reasonable, through articulated two arm lock of mutually supporting effect on main base to set up the briquetting and effectively adjust opening and shutting of arm lock, accommodation process convenient and fast, locking is reliable stable.

Description

Scaffold fastener

Technical Field

The utility model belongs to the technical field of scaffold frame equipment, a scaffold frame fastener is related to.

Background

Scaffold has extensive usage in fields such as the stage of building, performance is built, in order to realize the extension of scaffold and the setting up of corresponding bracing piece, scaffold fastener takes place in due course, scaffold fastener is as the intermediate junction part of connecting two components, is used for the fixed to steel pipe scaffold in building engineering more.

At present, scaffold fasteners on the market are usually fixed by bolts, and the main problem of the scaffold fasteners with the structure is that the bolts are required to be unscrewed in the installation and removal processes, so that steel pipes can be fixed or removed, and excessive time and labor are consumed in the installation and removal processes.

Disclosure of Invention

The utility model provides a to above-mentioned problem, a scaffold fastener is provided, this scaffold fastener can realize the purpose of quick installation and demolish.

According to the technical scheme of the utility model: a scaffold fastener, its characterized in that: the clamping device comprises a main base, wherein two clamping arms which are mutually matched are hinged on the main base, and a pressing block which can be lifted and moved is further arranged on the main base to push the clamping arms to open or close; the main base is further provided with a limiting pin for limiting the lifting limit position of the pressing block, and an elastic reset device is arranged between the pressing block and the main base.

As the utility model discloses a further improvement, the briquetting includes that the briquetting of a body coupling compresses tightly portion, briquetting guide part, and the briquetting guide part slides and sets up in the guiding hole of main base to set up the spacing groove that extends along vertical direction on the briquetting guide part, the spacer pin runs through the spacing groove sets up.

As a further improvement, the elastic reset device comprises a guide bar arranged on the bottom surface of the pressing block pressing part and a guide groove arranged on the main base, the guide bar is matched and arranged in the guide groove, and the guide bar is sleeved with a spring.

As the utility model discloses a further improvement, set up left branch seat, the right branch seat of a body coupling on the main base, two arm lock articulate on left branch seat, right branch seat through the articulated shaft respectively.

As a further improvement, the articulated shaft divides the arm lock into the clamping part and the stress part of a body coupling, the lower extreme of stress part sets up circular arc portion, the briquetting with circular arc portion cooperatees in order to drive the arm lock and rotate.

As a further improvement, the arc portion includes smooth transition connection's lower arc portion, goes up the arc portion, and when two arm locks opened, the summit of lower arc portion and the summit position department of last arc portion tangent contact.

As the utility model discloses a further improvement, every all set up the mounting groove on the arm lock, the mounting groove cooperatees with corresponding left support, right branch seat.

As a further improvement of the present invention, the main base is further provided with a connecting groove.

The technical effects of the utility model reside in that: the utility model discloses the product structure is ingenious reasonable, through articulated two arm lock of mutually supporting effect on main base to set up the briquetting and effectively adjust opening and shutting of arm lock, accommodation process convenient and fast, locking is reliable stable.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a view from direction G-G of fig. 1.

Fig. 4 is a view from H-H direction of fig. 2.

Fig. 5 is a perspective view of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the drawings 1-5, the device comprises a main base 1, a left support 1-1, a right support 1-2, a connecting groove 1-3, a guide groove 1-4, a clamping arm 2, a clamping part 2-1, a stress part 2-2, a lower arc part 2-21, an upper arc part 2-22, a limiting pin 3, a pressing block 4, a pressing block guide part 4-1, a limiting groove 4-2, a pressing block pressing part 4-3, a guide rod 4-4, a spring 5, a hinge shaft 6 and the like.

As shown in fig. 1, the utility model relates to a scaffold fastener, which comprises a main base 1, two clamping arms 2 which are mutually matched are hinged on the main base 1, and a pressing block 4 which can be lifted and moved is arranged on the main base 1 to push the clamping arms 2 to open or close; the main base 1 is further provided with a limiting pin 3 for limiting the lifting limit position of the pressing block 4, and an elastic reset device is arranged between the pressing block 4 and the main base 1.

The pressing block 4 comprises a pressing block pressing part 4-3 and a pressing block guiding part 4-1 which are integrally connected, the pressing block guiding part 4-1 is arranged in a guiding hole of the main base 1 in a sliding mode, a limiting groove 4-2 extending in the vertical direction is formed in the pressing block guiding part 4-1, and the limiting pin 3 penetrates through the limiting groove 4-2.

As shown in FIG. 4, a left support 1-1 and a right support 1-2 are integrally connected to a main base 1, and two clamping arms 2 are respectively hinged to the left support 1-1 and the right support 1-2 through hinge shafts 6.

As shown in fig. 3, in particular, the elastic resetting device comprises a guide rod 4-4 arranged on the bottom surface of the pressing block pressing part 4-3 and a guide groove 1-4 arranged on the main base 1, wherein the guide rod 4-4 is arranged in the guide groove 1-4 in a matching way, and a spring 5 is sleeved on the guide rod 4-4. It can be understood that the main base 1 is provided with guide grooves 1-4 corresponding to the two sides of the left support 1-1 and the right support 1-2, the bottom surface of the briquetting pressing part 4-3 is provided with guide rods 4-4 corresponding to the guide grooves 1-4 in number and position, and the upper end of the spring 5 sleeved on the guide rod 4-4 is pressed against the bottom surface of the briquetting pressing part 4-3.

The clamping arm 2 is divided into a clamping part 2-1 and a stress part 2-2 which are integrally connected by the hinge shaft 6, the lower end of the stress part 2-2 is provided with an arc part, and the pressing block 4 is matched with the arc part to drive the clamping arm 2 to rotate.

The arc parts comprise lower arc parts 2-21 and upper arc parts 2-22 which are connected in a smooth transition mode, and when the two clamping arms 2 are opened, the top points of the lower arc parts 2-21 are in tangential contact with the top points of the upper arc parts 2-22.

As shown in fig. 4, the main base 1 is further provided with coupling grooves 1-3 to facilitate a reliable and stable coupling with an external connector in use.

As shown in fig. 5, the hinging manner of the clamping arm 2 with the left support 1-1 and the right support 1-2 can be various, and the utility model discloses the scheme that adopts is: each clamping arm 2 is provided with a mounting groove which is matched with the corresponding left support 1-1 and right support 1-2, namely the left support 1-1 and the right support 1-2 respectively extend into the corresponding mounting grooves, and the upper ends of the left support 1-1 and the right support 1-2 are respectively rotatably connected with the corresponding clamping arm 2 through a hinge shaft 6.

The utility model discloses the theory of use of product as follows: in an initial state, the two clamping arms 2 of the product of the utility model are in an open state, the product of the utility model is placed at a scaffold steel pipe to be connected, the two clamping arms 2 surround the outside of the steel pipe, the vertexes of the two clamping arms 2 are abutted against the steel pipe, the main base 1 is pressed downwards, the main base 1 drives the pressing block 4 to move synchronously, and the pressing block pressing part 4-3 presses the lower arc parts 2-21 of the two clamping arms 2, so that the two clamping arms 2 rotate around the corresponding articulated shafts 6 respectively; with the continuous pressing of the main base 1, the pressing block pressing part 4-3 is supported between the end parts of the stress parts 2-2 of the two clamping arms 2, and at the moment, the clamping arms 2 are in a closed state and can be firmly held on a steel pipe of a scaffold; will when needs the utility model discloses the product only needs to upwards lift briquetting 4 when dismantling from the scaffold steel pipe, drives arm lock 2 by briquetting 4 and rotates around articulated shaft 6, realizes opening of arm lock 2.

Claims

1. A scaffold fastener, its characterized in that: the clamping device comprises a main base (1), wherein two clamping arms (2) which are mutually matched and act are hinged to the main base (1), and a pressing block (4) which can move up and down is further arranged on the main base (1) to push the clamping arms (2) to open or close; the main base (1) is further provided with a limiting pin (3) for limiting the lifting limit position of the pressing block (4), and an elastic reset device is arranged between the pressing block (4) and the main base (1).

2. The scaffold fastener of claim 1, wherein: the pressing block (4) comprises a pressing block pressing part (4-3) and a pressing block guiding part (4-1) which are integrally connected, the pressing block guiding part (4-1) is arranged in a guiding hole of the main base (1) in a sliding mode, a limiting groove (4-2) extending in the vertical direction is formed in the pressing block guiding part (4-1), and the limiting pin (3) penetrates through the limiting groove (4-2).

3. The scaffold fastener of claim 2, wherein: the elastic reset device comprises a guide rod (4-4) arranged on the bottom surface of the pressing block pressing part (4-3) and a guide groove (1-4) arranged on the main base (1), wherein the guide rod (4-4) is arranged in the guide groove (1-4) in a matched mode, and a spring (5) is sleeved on the guide rod (4-4).

4. The scaffold fastener of claim 1, wherein: the main base (1) is provided with a left support (1-1) and a right support (1-2) which are integrally connected, and the two clamping arms (2) are respectively hinged on the left support (1-1) and the right support (1-2) through hinged shafts (6).

5. The scaffold fastener of claim 4, wherein: clamping part (2-1) and atress portion (2-2) that articulated shaft (6) divide into an organic whole with arm lock (2), the lower extreme of atress portion (2-2) sets up circular arc portion, briquetting (4) with circular arc portion cooperatees in order to drive arm lock (2) and rotate.

6. The scaffold fastener of claim 5, wherein: the arc part comprises a lower arc part (2-21) and an upper arc part (2-22) which are connected in a smooth transition mode, and when the two clamping arms (2) are opened, the top points of the lower arc part (2-21) and the top points of the upper arc part (2-22) are in tangent contact.

7. The scaffold fastener of claim 4, wherein: each clamping arm (2) is provided with a mounting groove which is matched with the corresponding left support (1-1) and the right support (1-2).

8. The scaffold fastener of claim 1, wherein: the main base (1) is also provided with a connecting groove (1-3).