CN212053764U - Hole reservation device for building engineering - Google Patents

Abstract

The utility model discloses a device is reserved in hole for building engineering, including twist grip, twist grip lower surface central point puts through welded fastening and is connected with the one-level connecting rod, twist grip one end fixedly connected with second grade connecting rod is kept away from to the one-level connecting rod, the junction surface cover of one-level connecting rod and second grade connecting rod is equipped with ball bearing, ball bearing surface fixed mounting has circular fastener, the inside fixed mounting of circular fastener has four evenly distributed's expansion spring post, circular fastener fixedly connected with arc support piece is all worn out to four expansion spring posts, the dustproof fender cloth of fixedly connected with between the adjacent arc support piece, one-level connecting rod one end fixedly connected with one-level bracing piece is kept away from to the second: this kind of structural design's hole reservation device, applicable hole in the different degree of depth, different diameters uses, and application range is extensive, and the bottom steadiness is good, simple structure, and is rationally distributed, makes and maintains low cost, is fit for using widely.

Description

Hole reservation device for building engineering

Technical Field

The utility model relates to a building engineering technical field specifically is a hole reservation device for building engineering.

Background

The building is a structure built by using all available materials such as soil, stone, wood, steel, glass, reed, plastic, ice blocks and the like, the building is not a purpose, the building aims to obtain a space formed by the building, the artificial environment created by people by using grasped substance technical means and applying certain scientific laws, wind and water concepts and aesthetic rules is created in order to meet the needs of social life, the size of the device cannot be adjusted according to the size of the hole when the hole reserving device for the building engineering on the market is used, the use is very inconvenient, the bottom cannot be fixed, and the stability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hole reservation device for building engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device is reserved to hole for building engineering, includes twist grip, twist grip lower surface central point puts through welding fixedly connected with one-level connecting rod, twist grip one end fixedly connected with second grade connecting rod is kept away from to the one-level connecting rod, the junction surface cover of one-level connecting rod and second grade connecting rod is equipped with ball bearing, ball bearing surface fixed mounting has circular fastener, the inside fixed mounting of circular fastener has four evenly distributed's expansion spring post, four circular fastener fixedly connected with arc support piece is all worn out to the expansion spring post, and is adjacent the dustproof fender cloth of fixedly connected with between the arc support piece, one-level connecting rod one end fixedly connected with one-level bracing piece is kept away from to the second.

Preferably, a plurality of evenly distributed threaded holes are formed in the outer surface of the one-level supporting rod, the one-level supporting rod is slidably connected with the one-level telescopic rod, and a plurality of evenly distributed threaded holes are formed in the outer surface of the one-level telescopic rod.

Preferably, the outer cover of one end of the primary telescopic rod, which is far away from the primary supporting rod, is provided with a limiting plate, and a threaded drill bit is fixedly mounted at the center of the lower surface of the limiting plate.

Preferably, the first threaded hole and the second threaded hole are in adaptive structural design, and the first threaded hole and the second threaded hole are provided with fixing bolts corresponding to the apertures of the first threaded hole and the second threaded hole.

Preferably, the outer surfaces of the rotating handle, the circular clamping piece and the arc-shaped supporting piece are coated with release agents.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the hole reservation is needed, the first threaded hole of the first-level support rod and the second threaded hole of the first-level telescopic rod can be fixed by bolts through fixing bolts to prevent the first-level support rod from stretching and sliding and are inserted into the hole, the first-level support rod is connected with the first-level telescopic rod in a sliding way, the connection mode can be used in actual construction, dynamic length adjustment can be carried out according to different hole depths, so that the hole can be suitable for holes with different depths, the service performance is strong, meanwhile, a circular clamping piece is arranged outside a ball bearing, a telescopic spring column is arranged inside the circular clamping piece, when the hole is small, the telescopic spring column can be manually pressed, the covering diameter of the telescopic spring column is reduced, four compressed arc-shaped support pieces are arranged on the inner wall of the hole to support the hole, the structural design is suitable for supporting work of different holes, and meanwhile, the, playing an isolation role and preventing the holes from being blocked.

2. After the hole is arranged in completely to the device, can rotate through the twist grip that sets up, twist grip can rotate through one-level connecting rod, the limiting plate that the second grade connecting rod drove one-level telescopic link bottom when rotatory, can drive the screw thread drill bit simultaneously and rotate, thereby can carry out screw thread fixed connection with the fixed plate in the wall body through pivoted screw thread drill bit, thereby improve bottom steadiness ability, can prescribe a limit to the degree of depth of drilling through the limiting plate that sets up, prevent to drill too deeply, facilitate the use, to sum up, this kind of structural design's hole reservation device, applicable in the hole of the different degree of depth, different diameters uses, and application range is extensive, and the bottom steadiness is good, simple structure, and is rationally distributed, makes and maintains low cost, is fit for using widely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the circular fastener of the present invention.

In the figure: 1. rotating the handle; 2. a primary connecting rod; 3. a secondary connecting rod; 4. a ball bearing; 5. a circular fastener; 6. a telescopic spring post; 7. an arc-shaped support member; 8. dustproof blocking cloth; 9. a primary support bar; 10. a first threaded hole; 11. a first-stage telescopic rod; 12. a second threaded hole; 13. a limiting plate; 14. a thread drill bit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a device is reserved to hole for building engineering, including twist grip 1, 1 lower surface central point of twist grip puts through welded fixedly connected with one- level connecting rod 2, 1 one end fixedly connected with second grade connecting rod 3 of twist grip is kept away from to one-level connecting rod 2, the junction surface cover of one-level connecting rod 2 and second grade connecting rod 3 is equipped with ball bearing 4, ball bearing 4 surface fixed mounting has circular fastener 5, 5 inside fixed mounting of circular fastener have four evenly distributed's telescopic spring post 6, 5 fixedly connected with arc support piece 7 of circular fastener are all worn out to four telescopic spring post 6, the dustproof fender cloth 8 of fixedly connected with between the adjacent arc support piece 7, 2 one end fixedly connected with one-level bracing piece 9 of one-level connecting rod are.

The outer surface of the first-level supporting rod 9 is provided with a plurality of first threaded holes 10 which are uniformly distributed, the inner part of the first-level supporting rod 9 is connected with a first-level telescopic rod 11 in a sliding way, the outer surface of the first-level telescopic rod 11 is provided with a plurality of second threaded holes 12 which are uniformly distributed, the connection mode can carry out dynamic length adjustment according to different hole depths during actual construction, so that the connection mode is suitable for holes with different depths, the service performance is strong, the outer part of one end, away from the first-level supporting rod 9, of the first-level telescopic rod 11 is sleeved with a limiting plate 13, a threaded drill bit 14 is fixedly arranged at the central position of the lower surface of the limiting plate 13, the first threaded holes 10 and the second threaded holes 12 are designed in an adaptive structure, the first threaded holes 10 and the second threaded holes 12 are provided with fixing bolts, the device can be conveniently drawn out from the hole, and the use is convenient.

When in use, when the hole reservation is needed, the first threaded hole 10 of the first-level support rod 9 and the second threaded hole 12 of the first-level telescopic rod 11 can be fixed by bolts through fixing bolts to prevent the first-level support rod from stretching and sliding and can be inserted into the hole at the same time, the first-level support rod 9 is connected with the first-level telescopic rod 11 in a sliding way, the connection mode can be used in actual construction, dynamic length adjustment can be carried out according to different hole depths, so that the connection mode is suitable for holes with different depths, the connection mode is strong in service performance, meanwhile, the circular clamping piece 5 is arranged outside the ball bearing 4, the telescopic spring column 6 is arranged inside the circular clamping piece 5, when the hole is small, the telescopic spring column 6 can be pressed manually, so that the coverage area of the connection mode is reduced, meanwhile, the four compressed arc-shaped support pieces 7 are arranged on the inner wall of, meanwhile, the dustproof baffle cloth 8 can block external impurities and dust, plays a role in isolation and prevents the blockage of the hole, when the device is completely arranged in the hole, the device can rotate through the arranged rotating handle 1, the rotating handle 1 can drive the limiting plate 13 at the bottom end of the first-stage telescopic rod 11 to rotate through the first-stage connecting rod 2 and the second-stage connecting rod 3 during rotation, and can drive the thread drill bit 14 to rotate, so that the thread drill bit 14 can be in thread fixed connection with a fixing plate in a wall body through the rotating thread drill bit 14, the stability of the bottom is improved, the depth of the drilled hole can be limited through the arranged limiting plate 13, the drilled hole is prevented from being too deep, and the use is convenient, therefore, the hole reservation device with the structural design is suitable for the holes with different depths and different diameters, the application range is wide, the bottom stability is good, the structure, the manufacturing and maintenance cost is low, and the method is suitable for popularization and use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The hole reserving device for the building engineering is characterized by comprising a rotating handle (1), wherein the center of the lower surface of the rotating handle (1) is fixedly connected with a first-stage connecting rod (2) through welding, one end of the first-stage connecting rod (2) far away from the rotating handle (1) is fixedly connected with a second-stage connecting rod (3), a ball bearing (4) is sleeved on the outer surface of the joint of the first-stage connecting rod (2) and the second-stage connecting rod (3), a circular clamping piece (5) is fixedly arranged on the outer surface of the ball bearing (4), four uniformly distributed telescopic spring columns (6) are fixedly arranged in the circular clamping piece (5), the four telescopic spring columns (6) penetrate through the circular clamping piece (5) and are fixedly connected with arc-shaped supporting pieces (7), and a dustproof cloth baffle (8) is fixedly connected between the adjacent arc, one end of the second-level connecting rod (3) far away from the first-level connecting rod (2) is fixedly connected with a first-level supporting rod (9).

2. A hole reserving device for construction engineering according to claim 1, characterised in that: threaded hole (10) No. one a plurality of evenly distributed have been seted up to one-level bracing piece (9) surface, inside sliding connection of one-level bracing piece (9) has one-level telescopic link (11), threaded hole No. two (12) of a plurality of evenly distributed have been seted up to one-level telescopic link (11) surface.

3. A hole reserving device for construction engineering according to claim 2, characterised in that: one end of the first-level telescopic rod (11) far away from the first-level supporting rod (9) is externally sleeved with a limiting plate (13), and a threaded drill bit (14) is fixedly mounted at the center of the lower surface of the limiting plate (13).

4. A hole reserving device for construction engineering according to claim 2, characterised in that: the first threaded hole (10) and the second threaded hole (12) are in adaptive structural design, and the first threaded hole (10) and the second threaded hole (12) are provided with fixing bolts corresponding to the hole diameters of the first threaded hole and the second threaded hole.

5. A hole reserving device for construction engineering according to claim 1, characterised in that: and release agents are coated on the outer surfaces of the rotating handle (1), the circular clamping piece (5) and the arc-shaped supporting piece (7).

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