CN214788477U

CN214788477U - Buried foundation bolt

Info

Publication number: CN214788477U
Application number: CN202120104059.0U
Authority: CN
Inventors: 陈家瑞; 王勇; 苏小光; 刘扬
Original assignee: Xuzhou Ruida Equipment Manufacturing Co ltd
Current assignee: Xuzhou Ruida Equipment Manufacturing Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-19
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a bury ground rag bolt underground, including installation pipe support and outside nut, the installation pipe support runs through the setting in the concrete substrate, and runs through in the installation pipe support and be provided with the screw rod, outside nut screw thread is installed on the screw rod, and is provided with fixed body and disc between the outside nut, the fixed body sets up in the below of disc, and is provided with the protection casing outside the disc. This bury ground rag bolt, the support disk body has been put to the screw rod outside cover, it can strengthen the sealing between screw rod and the concrete base member surface to support the disk body, and support for sealing contact between disk body inner wall and the screw rod, be provided with the protection casing in addition, can play the protecting effect to the screw rod and the outside nut of fixed body top under the effect of protection casing, can dismantle it from the disc upper thread, be threaded connection between screw rod and the installation pipe support, can dismantle the screw rod screw thread and get off to maintain the change, first boss and second boss can strengthen whole installation pipe support, the steadiness of screw rod and concrete base member.

Description

Buried foundation bolt

Technical Field

The utility model relates to an rag bolt technical field specifically is a bury ground rag bolt.

Background

Rag bolt mainly used is with the screw member piece of fastening such as equipment usefulness on concrete foundation, be often used in the railway, the highway, the electric power enterprise, the mill, the tower crane, aspects such as mine and large-scale building, possess stronger stability, carry out the fixed rag bolt of secondary pouring concrete in burying concrete foundation reservation hole, because most rag bolt exposes in the outside air for a long time, take place corrosion easily, thereby influence rag bolt's intensity, and current rag bolt is the simple integrative screw member piece mostly, can not dismantle the change to rag bolt, it solves above-mentioned problem to need one kind to bury ground rag bolt now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bury ground rag bolt to solve and propose in the above-mentioned background art because most rag bolt exposes in the outside air for a long time, take place corrosion easily, thereby influence rag bolt's intensity, and current rag bolt is most all simple integrative screw member, can not dismantle the problem of changing to rag bolt.

In order to achieve the above object, the utility model provides a following technical scheme: an underground foundation bolt comprises a mounting pipe frame and an external nut,

the installation pipe frame is arranged in the concrete substrate in a penetrating mode, and a screw rod is arranged in the installation pipe frame in a penetrating mode;

the outer nut is installed on the screw rod in a threaded mode, a fixing body and a disc are arranged between the outer nuts, the fixing body is arranged below the disc, and a protective cover is arranged on the outer side of the disc.

Preferably, the installation pipe support includes first boss, screw thread portion, second boss and bottom plate, and the installation pipe support outside is provided with first boss, the installation pipe support inner wall is close to the lower extreme and is provided with screw thread portion, and installs the pipe support lower extreme and be connected with the second boss, and the second boss lower extreme sets up on the bottom plate simultaneously.

Preferably, the screw rod is in threaded connection with the threaded portion in the installation pipe frame, and the first reinforcing blocks are annularly distributed on the outer side of the installation pipe frame.

Preferably, the screw rod comprises a supporting disk body, a placing groove and a sealing element, the supporting disk body is sleeved on the outer side of the screw rod, the placing groove is formed in the supporting disk body, and the sealing element is arranged in the placing groove.

Preferably, the protective cover is sleeved outside the external nut above, and the inner side wall of the protective cover is in threaded connection with the disc.

Compared with the prior art, the beneficial effects of the utility model are that: the buried foundation bolt is provided with a bolt hole,

(1) the first reinforcing block and the second reinforcing block are arranged, the stability of the whole installation pipe frame, the screw and the concrete matrix is enhanced under the action of the first reinforcing block and the second reinforcing block, the screw is in threaded connection with the installation pipe frame, and the screw thread can be detached for maintenance and replacement;

(2) the supporting disc body is sleeved on the outer side of the screw rod, the supporting disc body can enhance the sealing between the screw rod and the surface of the concrete substrate, the inner wall of the supporting disc body is in sealing contact with the screw rod, the protective cover is additionally arranged, the protective effect can be achieved on the screw rod and an external nut above the fixing body under the effect of the protective cover, the protective cover is screwed, and the protective cover can be detached from the threads on the disc.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view between the second reinforcing block and the bottom plate of the present invention.

In the figure: 1. the mounting pipe frame comprises a mounting pipe frame body 101, a first reinforcing block 102, a threaded portion 103, a second reinforcing block 104, a bottom plate 2, a concrete base body 3, a screw rod 301, a supporting plate body 302, a placing groove 303, a sealing piece 4, an external nut 5, a fixing body 6, a disc 7 and a protective cover.

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. 1-3, the present invention provides a technical solution: an underground foundation bolt is disclosed, as shown in figure 1, figure 2 and figure 3, an installation pipe frame 1 is arranged in a concrete base body 2 in a penetrating way, a screw rod 3 is arranged in the installation pipe frame 1 in a penetrating way, the installation pipe frame 1 comprises a first reinforcing block 101, a thread part 102, a second reinforcing block 103 and a bottom plate 104, the first reinforcing block 101 is arranged outside the installation pipe frame 1, the thread part 102 is arranged on the inner wall of the installation pipe frame 1 close to the lower end, the lower end of the installation pipe frame 1 is connected with the second reinforcing block 103, the lower end of the second reinforcing block 103 is arranged on the bottom plate 104, the stability between the installation pipe frame 1 and the concrete base body 2 is enhanced under the action of the first reinforcing block 101 and the second reinforcing block 103, the thread part 102 in the installation pipe frame 1 is in threaded connection, the first reinforcing block 101 is annularly distributed outside the installation pipe frame 1, the screw rod 3 is in threaded installation with the installation pipe frame 1, the disassembly of the screw rod 3 is convenient, the screw 3 comprises a supporting disc body 301, a placing groove 302 and a sealing element 303, the supporting disc body 301 is sleeved on the outer side of the screw 3, the placing groove 302 is arranged in the supporting disc body 301, the sealing element 303 is arranged in the placing groove 302, the inner wall of the supporting disc body 301 is in sealing contact with the screw 3, and the sealing between the screw 3 and the upper end face of the concrete base body 2 is enhanced by the supporting disc body 301.

As shown in fig. 1, the external nut 4 is threadedly mounted on the screw rod 3, the fixing body 5 and the disc 6 are arranged between the external nuts 4, the fixing body 5 is arranged below the disc 6, the protective cover 7 is arranged outside the disc 6, the protective cover 7 is sleeved outside the external nut 4 above, the inner side wall of the protective cover 7 is in threaded connection with the disc 6, the protective cover 7 can protect the external nut 4 above the fixing body 5, and the protective cover 7 can be screwed to disassemble the thread of the external nut.

The working principle is as follows: when the buried foundation bolt is used, the installation pipe frame 1 is placed into a reserved pit of the concrete matrix 2, then the concrete is poured for the second time to fix the support plate, the screw rod 3 penetrates through the support plate body 301 to extend into the installation pipe frame 1 to be in threaded connection with the thread part 102, the external nut 4 at the lower part is installed on the screw rod 3 in a threaded manner, the fixing body 5 needing to be fixedly installed is placed on the external nut 4, the disc 6 is sleeved on the screw rod 3, the external nut 4 at the upper part is installed on the screw rod 3 in a threaded manner to fix the fixing body 5, the protective cover 7 is sleeved on the outer side of the external nut 4 at the upper part to be in threaded connection with the disc 6, the upper external nut 4 and the screw rod 3 are protected to a certain extent, and the supporting disc body 301 and the sealing member 303 are used for sealing the joint of the screw rod 3 and the surface of the concrete matrix 2, and the details which are not described in detail in the specification belong to the prior art which is well known to a person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a bury ground rag bolt, includes installation pipe support (1) and outside nut (4), its characterized in that:

the installation pipe frame (1), the installation pipe frame (1) is arranged in the concrete matrix (2) in a penetrating mode, and a screw (3) is arranged in the installation pipe frame (1) in a penetrating mode;

the outer nut (4), outer nut (4) screw thread is installed on screw rod (3), and is provided with fixed body (5) and disc (6) between outer nut (4), fixed body (5) set up the below in disc (6), and disc (6) outside is provided with protection casing (7).

2. An underground anchor bolt according to claim 1, wherein: installation pipe support (1) includes first boss (101), screw thread portion (102), second boss (103) and bottom plate (104), and installs pipe support (1) outside and be provided with first boss (101), installation pipe support (1) inner wall is close to the lower extreme and is provided with screw thread portion (102), and installs pipe support (1) lower extreme and is connected with second boss (103), and second boss (103) lower extreme setting is on bottom plate (104) simultaneously.

3. An underground anchor bolt according to claim 2, wherein: the screw rod (3) is in threaded connection with a threaded portion (102) in the installation pipe frame (1), and first reinforcing blocks (101) are annularly distributed on the outer side of the installation pipe frame (1).

4. An underground anchor bolt according to claim 1, wherein: the screw rod (3) comprises a supporting disk body (301), a placing groove (302) and a sealing element (303), the supporting disk body (301) is sleeved on the outer side of the screw rod (3), the placing groove (302) is arranged in the supporting disk body (301), and the sealing element (303) is arranged in the placing groove (302).

5. An underground anchor bolt according to claim 1, wherein: the protective cover (7) is sleeved outside the external nut (4) above, and the inner side wall of the protective cover (7) is in threaded connection with the disc (6).