CN213654244U

CN213654244U - Pre-buried sleeve for split screw

Info

Publication number: CN213654244U
Application number: CN202021793718.8U
Authority: CN
Inventors: 韦学锋; 杜国有; 陈当杰
Original assignee: Zhejiang Zhongyao Construction Co ltd
Current assignee: Zhejiang Zhongyao Construction Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-07-09
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a pre-buried sleeve for a counter-pulling screw rod, which comprises a convex pipe, a first limit ring, an extension pipe, an opening, a pre-buried sleeve, a second limit ring and a positioning mechanism, wherein the convex pipe and the positioning mechanism are arranged outside the pre-buried sleeve, the extension pipe is extruded downwards, because the right end of the extension pipe is provided with the opening, the extension pipe is easy to deform after being subjected to external pressure, so that the right end of the inner side of the extension pipe is more stably attached to the outer surface of the screw rod, the extension pipe can be pulled outwards to drive the screw rod to be pulled outwards, and simultaneously when the embedded part is fixed, and the binding rope is tightly attached to the outer surfaces of the first fixing plate and the second fixing plate, so that the binding rope is limited between the two convex plates, receive the effect of striae and more stable placing simultaneously, reached and be convenient for outwards pull out the split screw, make the fixed more stable beneficial effect of built-in fitting simultaneously.

Description

Pre-buried sleeve for split screw

Technical Field

The utility model relates to a pre-buried sleeve field of being correlated with specifically is a pre-buried sleeve for to drawing screw rod.

Background

In recent years, with the continuous development of civil buildings, urban land resources are increasingly deficient, under the condition of limited land resources, in order to solve the problem of rising population housing, civil houses are continuously extended to the air, the civil houses are developed to the high altitude, meanwhile, in order to increase the lateral rigidity of a frame structure, the houses are generally designed into a frame-shear wall structure, meanwhile, in the process of building construction, in order to improve the stability of connection of two building templates, the pull screws are required to be connected, and the pull screws are required to be fixed through embedded parts in the process of pouring.

When the counter-pulling screw rod needs to be pulled out of the pre-embedded part after being used, the work load is increased by means of corresponding equipment, inconvenience is caused in the process of pulling out the counter-pulling screw rod in the later period, meanwhile, the pre-embedded part is tightly fixed through the binding rope in the fixing and fixing process, then concrete pouring is carried out, the stability of the fixing process is poor, and the counter-pulling screw rod is easy to shake in the concrete pouring process.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a pre-buried sleeve for to drawing the screw rod here.

The utility model is realized by constructing a pre-buried sleeve for a counter-pull screw rod, which comprises a convex pipe and a first limit ring, wherein the convex pipe is arranged at the edge of the left end surface of an extension pipe, and the convex pipe movably extends into the right end of the inner side of the pre-buried sleeve, the first limit ring is arranged at the left end of the outer side of the extension pipe, the right end of the outer side of the extension pipe is provided with an opening, the right end of the outer side of the pre-buried sleeve and the middle part of the outer side are respectively provided with a second limit ring and a positioning mechanism, the positioning mechanism comprises a first fixed plate, a second fixed plate, convex stripes, a convex plate, bolts, screw holes and an inserting rod, the first fixed plate is clung to the upper side and the lower side of the rear end surface of the second fixed plate, the first fixed plate and the second fixed plate are respectively clung to the front end surface and, the convex plate is arranged on the left side and the right side of the rear end face of the first fixing plate and the left side and the right side of the front end face of the second fixing plate, the side surface of the bolt is in threaded fit with the inner side of a screw hole formed in the rear end face of the convex plate, the insertion rods are arranged on the upper side and the lower side of the rear end face of the second fixing plate, and the insertion rods are matched with the inner sides of slots formed in the upper side and the lower side.

Preferably, the first limiting ring is in a truncated cone shape gradually reduced from right to left, and the outer diameter of the left end face of the first limiting ring is consistent with the outer diameter of the right end face of the embedded sleeve.

Preferably, the right end and the right end face of the outer side of the extension pipe are connected in a chamfer mode, and the right end of the outer side of the extension pipe is in an outward expansion shape.

Preferably, the four openings are arranged at the right end of the outer side of the extension pipe, and are distributed annularly at equal intervals.

Preferably, the second limiting ring is in a truncated cone shape gradually reduced from left to right, and the right end face of the second limiting ring is connected to the side surface of the embedded sleeve.

Preferably, the outer surface of the embedded sleeve is smooth and burr-free.

Preferably, the first fixing plate and the second fixing plate are in the shape of outwards protruding semicircles, and the first fixing plate and the second fixing plate are parallel to the side surface of the embedded sleeve.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a pre-buried sleeve for to drawing screw rod here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a pre-buried sleeve for split screw rod, the utility model discloses a protruding pipe and positioning mechanism have been set up in the pre-buried sleeve outside, through the downdraft extension pipe, because the extension pipe right-hand member is provided with the opening, make the extension pipe take place deformation easily after receiving external pressure, make the more stable laminating of inboard right-hand member of extension pipe at the screw rod surface, can outwards stimulate the extension pipe this moment and drive the screw rod outwards to pull out, simultaneously when fixed built-in fitting, and make the ligature rope hug closely in first fixed plate and second fixed plate surface, make the ligature rope spacing between two flanges, receive the effect of protruding stripe simultaneously and more stable placing, reached and be convenient for outwards pull out the split screw rod, make the fixed more stable beneficial effect of built-in fitting simultaneously.

The method has the advantages that: a pre-buried sleeve for split screw, the utility model discloses an opening is provided with four in extension outside right-hand members, and four openings are equidistant cyclic annular distribution, is convenient for make extension outside right-hand member carry out elastic deformation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the positioning mechanism of the present invention;

fig. 3 is a schematic diagram of the distribution structure of the inserted rods of the present invention.

Wherein: the pipe-type pipe joint comprises a convex pipe-1, a first limiting ring-2, an extension pipe-3, an opening-4, a pre-buried sleeve-5, a second limiting ring-6, a positioning mechanism-7, a first fixing plate-71, a second fixing plate-72, a convex stripe-73, a convex plate-74, a bolt-75, a screw hole-76 and an inserted rod-77.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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, the present invention provides a pre-buried sleeve for a counter-pulling screw rod by an improvement, comprising a protruding pipe 1 and a first limiting ring 2, wherein the protruding pipe 1 is disposed at the edge of the left end face of an extension pipe 3, and the protruding pipe 1 movably extends into the right end of the inner side of the pre-buried sleeve 5, the first limiting ring 2 is disposed at the left end of the outer side of the extension pipe 3, the first limiting ring 2 is in a truncated cone shape gradually reducing from right to left, and the outer diameter of the left end face of the first limiting ring 2 is consistent with the outer diameter of the right end face of the pre-buried sleeve 5, so as to limit the position of the pre-buried sleeve 5, the right end of the outer side of the extension pipe 3 is provided with an opening 4, the opening 4 is provided with four right ends of the outer side of the extension pipe 3, so as to allow the right end of the outer side of the extension pipe 3 to elastically deform, and the four openings 4, the right-hand member in the 5 outsides of embedded sleeve and outside middle part are provided with second spacing ring 6 and positioning mechanism 7 respectively, and 5 surfaces of embedded sleeve are smooth burr-free, are convenient for carry embedded sleeve 5, and second spacing ring 6 is the round platform form of from left to right convergent, and 6 right-hand members of second spacing ring links up in 5 side surfaces of embedded sleeve, are convenient for carry on spacingly to 5 outside left ends of embedded sleeve.

Referring to fig. 2 and 3, the present invention provides a pre-embedded sleeve for a split screw through improvement, wherein a positioning mechanism 7 includes a first fixing plate 71, a second fixing plate 72, raised stripes 73, a raised plate 74, bolts 75, screw holes 76 and insertion rods 77, the first fixing plate 71 is tightly attached to the upper and lower sides of the rear end surface of the second fixing plate 72, the first fixing plate 71 and the second fixing plate 72 are respectively tightly attached to the front and rear ends of the outer side of the pre-embedded sleeve 5, the first fixing plate 71 and the second fixing plate 72 are in the shape of a semicircular protruding outward, so that the first fixing plate 71 and the second fixing plate 72 can be stably mounted, the first fixing plate 71 and the second fixing plate 72 are parallel to the side surface of the pre-embedded sleeve 5, the raised stripes 73 are distributed in the middle of the rear end surface of the first fixing plate 71 and in the middle of the front end surface of the second fixing plate 72, the raised plates 74 are arranged on the left and right sides of the, the side surface of the bolt 75 is screw-engaged with the inner side of a screw hole 76 formed in the rear end surface of the protruding plate 74, and the insertion rods 77 are disposed on the upper and lower sides of the rear end surface of the second fixing plate 72, and the insertion rods 77 are engaged with the inner sides of slots formed in the upper and lower sides of the front end surface of the first fixing plate 71.

The utility model provides a pre-buried sleeve for a split screw through improvement, and the working principle is as follows;

firstly, moving a first fixing plate 71 and a second fixing plate 72 to proper positions outside an embedded sleeve 5, moving the second fixing plate 72 to drive an inserting rod 77 to enter the inner side of a slot at the front end of the first fixing plate 71, then rotating a bolt 75 to move on the inner side of a screw hole 76, and when the tail end of the screw 75 is tightly attached to the outer surface of the embedded sleeve 5, fixing the positions of the first fixing plate 71 and the second fixing plate 72;

secondly, the embedded part is integrally placed at a designated position on a building support, then an external binding rope passes through the outer surfaces of the first fixing plate 71 and the second fixing plate 72, the binding rope is tightly attached to the outer surfaces of the first fixing plate 71 and the second fixing plate 72, the binding rope is limited between the two convex plates 74, the binding rope is placed more stably under the action of the convex stripes 73, and finally the tail end of the binding rope is fixed;

thirdly, the two movable building templates drive the oppositely pulling screw rods to enter the inner sides of the embedded sleeves 5, at the moment, the concrete is poured, and after the concrete pouring is finished, the two movable building templates are fixed to the appointed positions;

fourth, and finishing using the opposite drawing screw rod, and when needing to take out the opposite drawing screw rod, accessible extrudees extension pipe 3 downwards, because extension pipe 3 right-hand member is provided with opening 4, makes extension pipe 3 take place deformation easily after receiving external pressure, makes the more stable laminating of the inboard right-hand member of extension pipe 3 at the screw rod surface, can outwards stimulate extension pipe 3 this moment and drive the screw rod and the inboard that 1 outside pulling out of embedded sleeve 5 of protruding pipe.

The utility model discloses an improvement provides a pre-buried sleeve for counter-pull screw rod, through extrusion extension pipe 3 downwards, because extension pipe 3 right-hand member is provided with opening 4, make extension pipe 3 take place deformation easily after receiving external pressure, make the more stable laminating of the inboard right-hand member of extension pipe 3 at the screw rod surface, can outwards stimulate extension pipe 3 at this moment and drive screw rod and protruding pipe 1 outwards to pull out the inboard that breaks away from pre-buried sleeve 5, and make the ligature rope hug closely in first fixed plate 71 and second fixed plate 72 surface, the ligature rope is spacing between two protruding boards 74 simultaneously, the ligature rope receives the effect of protruding stripe 73 and more stable the placing simultaneously, fix the end of ligature rope at last, reached and be convenient for outwards pull out counter-pull screw rod, make the built-in fitting fix more stable beneficial effect simultaneously; be provided with four in extension pipe 3 outside right-hand members through opening 4, and four openings 4 are equidistant annular distribution, are convenient for make extension pipe 3 outside right-hand member carry out elastic deformation.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a pre-buried sleeve for split screw, its characterized in that: the structure of the embedded sleeve comprises a convex pipe (1) and a first limiting ring (2), wherein the convex pipe (1) is arranged at the edge of the left end face of an extension pipe (3), the convex pipe (1) movably extends into the right end of the inner side of an embedded sleeve (5), the first limiting ring (2) is arranged at the left end of the outer side of the extension pipe (3), an opening (4) is formed in the right end of the outer side of the extension pipe (3), a second limiting ring (6) and a positioning mechanism (7) are respectively arranged at the right end of the outer side and the middle part of the outer side of the embedded sleeve (5), the positioning mechanism (7) comprises a first fixing plate (71), a second fixing plate (72), convex stripes (73), a convex plate (74), a bolt (75), a screw hole (76) and an insertion rod (77), the first fixing plate (71) is tightly attached to the upper side and the lower side of the rear end face of the second fixing plate (72), and the first fixing plate (71) and the second fixing plate (, protruding stripe (73) distribute in terminal surface middle part before first fixed plate (71) rear end face middle part and second fixed plate (72), both sides and second fixed plate (72) preceding terminal surface left and right sides are set up in first fixed plate (71) rear end face left and right sides, screw (76) inboard screw-thread fit that bolt (75) side surface and protruding plate (74) rear end face were seted up, inserted bar (77) set up in both sides about second fixed plate (72) rear end face, and inserted bar (77) coincide in the slot inboard that both sides were seted up about first fixed plate (71) preceding terminal surface.

2. The pre-embedded sleeve for the split screw according to claim 1, wherein: the first limiting ring (2) is in a truncated cone shape gradually reduced from right to left, and the outer diameter of the left end face of the first limiting ring (2) is consistent with the outer diameter of the right end face of the embedded sleeve (5).

3. The pre-embedded sleeve for the split screw according to claim 1, wherein: the right end and the right end face of the outer side of the extension pipe (3) are connected through chamfers, and the right end of the outer side of the extension pipe (3) is expanded outwards.

4. The pre-embedded sleeve for the split screw according to claim 1, wherein: the openings (4) are arranged at the right ends of the outer sides of the extension pipes (3), and the four openings (4) are distributed annularly at equal intervals.

5. The pre-embedded sleeve for the split screw according to claim 1, wherein: the second limiting ring (6) is in a tapered round table shape from left to right, and the right end face of the second limiting ring (6) is connected to the side surface of the embedded sleeve (5).

6. The pre-embedded sleeve for the split screw according to claim 1, wherein: the outer surface of the embedded sleeve (5) is smooth and burr-free.

7. The pre-embedded sleeve for the split screw according to claim 1, wherein: the first fixing plate (71) and the second fixing plate (72) are in the shape of outwards protruding semicircles, and the first fixing plate (71) and the second fixing plate (72) are parallel to the side surface of the embedded sleeve (5).