CN210918247U

CN210918247U - Single-side operation screw

Info

Publication number: CN210918247U
Application number: CN201921460471.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Shanzhong Architectural Technology Co ltd
Current assignee: Guangdong Tianlin High Tech Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-03
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses an unilateral operation screw rod, including two mouthfuls of sleeve in cavity and both ends, wear to establish in the sleeve and the surface is equipped with the core bar of external screw thread and locate nut and hinge assembly on the core bar, the sleeve includes the stack shell and is fixed in the spacing portion of stack shell one end and relative stack shell expansion, nut threaded connection stretches out the one end outside spacing portion in the core bar, the other end of core bar is located to the hinge assembly, the hinge assembly is quadrangle structure and both ends and fixes a position respectively on core bar and sleeve, the radial of hinge assembly edge core bar opens or the shrink when axial slip is followed to the core bar. During installation, the nut is screwed to drive the core rod to axially slide to enable the hinge assembly to contract, the nut is screwed reversely to enable the core rod to reversely slide, and then the hinge assembly expands to enable the width size of the hinge assembly to be enlarged until the hinge assembly can abut against the wall surface. The unilateral operation screw rod can be installed and detached only by operating one side of the wall body, can be automatically completed by a robot, and is favorable for improving the automation of building construction operation.

Description

Single-side operation screw

Technical Field

The utility model relates to an automatic change construction equipment technical field, especially relate to a screw rod that can conveniently install on the wall body.

Background

In a new construction method, a plurality of working robots are used to build the formwork and cast the wall, and some of the working robots are carried on an external frame on the periphery of the building. Along with the rising of building height, the position of outrigger also needs to be raised gradually, and specific raising mode is, is provided with the guide rail of vertical extension on the outer wall, and the outrigger is connected on the guide rail and slides along the guide rail and raises. The guide rails are fixed on the outer wall through screws.

The conventional screw is used in cooperation with a nut, and if the screw needs to be installed in a wall body, the screw needs to be operated at two sides of the wall body, the screw is inserted from one side, and the nut is sleeved on the other side of the wall body and screwed down. This kind of manual work is comparatively inconvenient from the mode of both sides installation screw rod, and is unfavorable for the automatic development of construction site operation, if can only carry out the screw rod installation in the wall body outside, then the process of installation just can be carried out by the robot on the outrigger is automatic.

Therefore, it is necessary to provide a screw rod which can be mounted or dismounted only by one-sided operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod that just can realize installation or dismantlement at unilateral operation.

In order to realize the above-mentioned purpose, the utility model provides an unilateral operation screw rod, including two mouths in cavity and both ends sleeve, wear to establish in the sleeve and the surface be equipped with the external screw thread the core bar and locate nut and articulated subassembly on the core bar, the sleeve includes the stack shell and is fixed in the spacing portion of stack shell one end and relative stack shell expansion, nut threaded connection in the core bar stretches out one end outside the spacing portion, articulated subassembly is located the other end of core bar, articulated subassembly is quadrangle structure and both ends and fixes a position respectively the core bar with on the sleeve, when axial slip was followed to the core bar articulated subassembly is followed radially opening or the shrink of core bar.

Compared with the prior art, the utility model discloses an unilateral operation screw rod is not the combination of simple screw rod and nut, but wears to establish the core bar in the sleeve and sets up the nut respectively at the both ends of core bar and be quadrilateral's articulated subassembly. When the device is installed, the nut is screwed to drive the core rod to axially slide so that the hinge assembly contracts to a smaller width size, then the unilateral operation screw rod is inserted into a reserved hole from the outside of the wall body, the limiting part abuts against the wall surface, then the nut is screwed reversely so that the core rod slides reversely, and then the core rod can drive the hinge assembly to expand so that the width size of the hinge assembly is enlarged until the hinge assembly can abut against the wall surface. The nut is locked on the screw rod, and the limiting part and the hinge assembly are clamped on two sides of the wall body together, so that the installation of the screw rod can be completed. When the hinge assembly is disassembled, the nut is screwed again to contract the hinge assembly. It can be seen that the unilateral operation screw can be installed and detached only by operating one side of the wall body, and can be automatically completed by a robot, thereby being beneficial to improving the automation of building construction operation.

Preferably, the hinge assembly includes a sleeve, two joint members, two upper hinge members and two lower hinge members, one of the upper hinge members and the lower hinge member is hinged to the sleeve, the other of the upper hinge members and the lower hinge member is hinged to the sleeve sleeved on the core rod, the two upper hinge members are hinged to one of the joint members, and the two lower hinge members are hinged to the other of the joint members.

Preferably, the upper and lower hinge members have receiving grooves for receiving the core bar therein.

Specifically, the cross sections of the upper hinge piece and the lower hinge piece are in a right-angle U shape.

Preferably, the core rod is a hollow structure with a water flow channel inside, an opening leading into the water flow channel is arranged at one end of the core rod where the nut is arranged, and a water spray pipe communicated to the water flow channel is arranged at one end of the core rod where the hinge assembly is arranged.

Preferably, the hinge assembly further comprises a protective sleeve with elasticity wrapping the hinge assembly.

Preferably, a pressure sensor is further arranged on the hinge assembly.

Drawings

Fig. 1 is a schematic view of the hinge assembly of the single-side operated screw of the present invention when opened.

FIG. 2 is a schematic view of the hinge assembly of the single-side operated screw as it is retracted.

Fig. 3 is a schematic cross-sectional view of an upper hinge.

FIG. 4 is a schematic view of the single-side operating screw installed on a wall.

Fig. 5 is a schematic view of a single-side operated screw according to a second embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a single-side operation screw, which comprises a sleeve 1, a core rod 2, a nut 3 and a hinge assembly 4. The sleeve 1 is a cylindrical structure, the interior of the sleeve is hollow, openings are formed in two ends of the sleeve, and the sleeve 1 comprises a cylinder body 10 and a limiting part 12 which is fixed at one end of the cylinder body 10 and expands relative to the cylinder body 10. The surface of the core rod 2 is provided with external threads, the core rod 2 is arranged in the sleeve 1 in a penetrating way, and two ends of the core rod are respectively exposed out of two ends of the sleeve 1. The nut 3 is sleeved on the end of the core rod 2 exposed out of the limiting part 12 and is in threaded connection with the core rod 2, and the hinge assembly 4 is arranged at the other end of the core rod 2. Since the nut 3 is restricted by the stopper portion 12, the core rod 2 can be driven to slide in the sleeve 1 in the axial direction by the screw connection when the nut 3 is rotated.

The hinge assembly 4 is of a quadrilateral structure, two ends of the hinge assembly are respectively positioned on the core rod 2 and the sleeve 1, and the hinge assembly 4 expands or contracts along the radial direction of the core rod 2 when the core rod 2 slides along the axial direction. Specifically, the hinge assembly 4 includes a sleeve 41, two joint members 42, two upper hinge members 43 and two lower hinge members 44, the sleeve 41 is sleeved on the core rod 2 and can slide along the axial direction of the core rod 2, one of the upper hinge members 43 and the lower hinge members 44 is hinged on the sleeve 1, the other upper hinge member 43 and the lower hinge member 44 are hinged on the sleeve 41, the two upper hinge members 43 are hinged on one joint member 42, and the two lower hinge members 44 are hinged on the other joint member 42. The four hinged members and the two hinged members 42 form a quadrilateral structure which is easy to deform and can be easily expanded or contracted under the pushing of the core rod 2.

Referring to fig. 3, the upper hinge member 43 and the lower hinge member 44 are preferably of a U-shaped cross section, so that the upper hinge member 43 and the lower hinge member 44 have a receiving groove a for receiving the core rod 2 therein. By providing the receiving groove a, the hinge assembly 4 can be smoothly contracted to the state shown in fig. 2 without interference between the upper hinge 43, the lower hinge 44 and the core bar 2.

In a preferred embodiment, a flexible protective sleeve may be added to the hinge assembly 4, which covers the hinge elements and the joint 42 to prevent the hinge assembly 4 from being interfered with by the outside. Since the protective sheath is elastic itself, it can expand as the hinge assembly 4 is opened. In addition, a pressure sensor may be provided on the hinge assembly 4 to detect the pressure experienced during screw installation and during use after installation. The pressure sensor may also be encased in a protective sheath.

During installation, the nut 3 is turned to adjust the hinge assembly 4 to the contracted state shown in fig. 2, and then the single-side operation screw rod is inserted into the hole on the wall body to enable the hinge assembly 4 to completely penetrate through the wall body. Then, the limiting part 12 is tightly pressed on the wall, and the nut 3 is rotated to open the hinge assembly 4 until the hinge assembly 4 is tightly pressed on the wall. The hinge assembly 4 and the limiting part 12 are respectively abutted and clamped on two sides of the wall body, and the installation of the screw rod can be completed. When the single-side operation screw is disassembled, the nut 3 is also rotated to enable the core rod 2 to drive the hinge assembly 4 to contract, the hinge assembly 4 releases the propping on the wall body and contracts for enough hours, and then the single-side operation screw can be completely extracted.

Referring to fig. 5, in the second embodiment of the present invention, the core rod 2 is a hollow structure having a water flow channel 20 inside, and the end of the core rod 2 where the nut 3 is disposed has an opening leading into the water flow channel 20, and the end of the core rod 2 where the hinge assembly 4 is disposed is provided with a water spray pipe 21 communicating to the water flow channel 20. The building wall body needs to be watered and maintained after being formed, and only a water pipe with certain water pressure is connected with the opening end of the core rod 2, and the water spraying pipe 21 can spray water flow to the wall surface.

Compared with the prior art, the unilateral operation screw rod can be installed and detached only by operating one side of the wall body, can be automatically completed by a robot, and is favorable for improving the automation of building construction operation.

The above disclosure is only a preferred embodiment of the present invention, and the function is to facilitate the understanding and implementation of the present invention, which is not to be construed as limiting the scope of the present invention, and therefore, the present invention is not limited to the claims.

Claims

1. A single-side operation screw is characterized in that: the sleeve comprises a hollow sleeve with two openings at two ends, a core rod which is arranged in the sleeve in a penetrating mode and is provided with external threads on the surface, and a nut and a hinge assembly which are arranged on the core rod, wherein the sleeve comprises a barrel body and a limiting part which is fixed at one end of the barrel body and expands relative to the barrel body, the nut is in threaded connection with one end, extending out of the limiting part, of the core rod, the hinge assembly is arranged at the other end of the core rod, the hinge assembly is of a quadrilateral structure, two ends of the hinge assembly are respectively positioned on the core rod and the sleeve, and the hinge assembly is opened or contracted along the radial direction of the core rod when the.

2. The single-sided operation screw of claim 1, wherein: the hinge assembly comprises a sleeve joint piece, two joint pieces, two upper hinge pieces and two lower hinge pieces, wherein one of the upper hinge pieces and one of the lower hinge pieces are hinged on the sleeve, the other of the upper hinge pieces and the lower hinge pieces are hinged on the sleeve joint piece sleeved on the core rod, the two upper hinge pieces are hinged on one joint piece, and the two lower hinge pieces are hinged on the other joint piece.

3. The single-sided operation screw of claim 1, wherein: the upper and lower hinge members have receiving grooves in which the core bar is received.

4. The single-sided screw of claim 3, wherein: the cross sections of the upper hinge part and the lower hinge part are in a right-angle U shape.

5. The single-sided operation screw of claim 1, wherein: the core bar is of a hollow structure with a water flow channel inside, an opening communicated with the water flow channel is formed in one end, provided with the nut, of the core bar, and a water spray pipe communicated to the water flow channel is arranged at one end, provided with the hinge assembly, of the core bar.

6. The single-sided operation screw of claim 1, wherein: still include the elastic protective sheath that has of parcel hinge assembly.

7. The single-sided operation screw of claim 1, wherein: and the hinge assembly is also provided with a pressure sensor.