CN214364105U

CN214364105U - Integrated threaded clamping connecting piece and prefabricated part reinforced connecting system

Info

Publication number: CN214364105U
Application number: CN202023137552.7U
Authority: CN
Inventors: 王满意; 杨杰
Original assignee: Individual
Current assignee: Yang Jie
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-08
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a connected system is strengthened to integral type screw thread armful card connecting piece and prefab, the connecting piece includes first connecting portion and second connecting portion, wherein: the threaded mortise lock head of the first connecting part is exposed out of the first tensioning nut and is provided with external threads A; the second connecting part comprises a second tensioning screw cap and an integrated clamp positioned between the baffle ring and the middle support sleeve, the integrated clamp consists of an elastic body and a clamp inserted at the end part of the elastic body, the inner side surface of the exposed multi-piece type conical thread clamp of the clamp is provided with internal threads A, and the outer side surface of the exposed multi-piece type conical thread clamp is contacted with the middle support sleeve and the contact surface of the exposed multi-piece type conical thread clamp is matched with that of the middle support sleeve; the thread mortise lock head penetrates through the middle support sleeve to be meshed with the multi-piece type conical thread clamping sheet, so that the two connecting parts are in butt joint connection. Compared with the prior art, the utility model discloses effectively prevent that current connecting piece installation card locking plate from neglected loading or droing, more perfect two component terminal surfaces connection at different times, made a plurality of connecting pieces of two component terminal surfaces atress simultaneously, used with the connection end plate cooperation, more reliable.

Description

Integrated threaded clamping connecting piece and prefabricated part reinforced connecting system

Technical Field

The utility model belongs to the technical field of building element, a coupling assembling for prefab (component) is related to, especially, relate to an integral type screw thread is embraced card connecting piece and prefab and is strengthened connected system.

Background

The prior art mostly uses welding connection for connecting prefabricated parts (such as uplift piles, etc.), and after pile bodies of two welding piles are aligned, metal end plates of pile heads are welded by using a welding method, so that the operation is inconvenient, and the welding metal plates at the connecting part are exposed to rust easily, thereby influencing the use effect and the service life.

In order to solve the disadvantages of the welding connection form of the metal end plate, chinese patent CN101519876A discloses a butt joint piece of the prefabricated member, and the like, and the quick connection of the prefabricated member is realized through the butt joint piece. However, in these docking members, a plurality of independent cards for realizing the locking of the docking head are directly placed on the gasket, and the mounting missing or the falling off is easy to occur. In addition, the plug connector is locked with the card through the expansion part, the plug connector can be reliably connected only by being plugged in place, the requirement on the flatness of the end face shape of the prefabricated member is high, if the end face is uneven, the plugging condition of the plug connector is different, the plug connector is likely to be not plugged in place, the prefabricated member cannot be effectively locked by the card, and certain connecting piece(s) on the end face of the prefabricated member may have the condition of incapability of bearing force, so that the connecting piece(s) are actually in a failure state.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integral type screw thread is embraced card connecting piece and prefab and is strengthened connected system. Can effectively prevent that current connecting piece installation card locking plate from neglected loading or droing, more perfect the connection at the time of two component terminal surfaces are uneven, make a plurality of connecting pieces of two component terminal surfaces can both be the atress simultaneously, simple to operate, the construction butt joint is fast, not only environmental protection but also safety. Further, will the utility model discloses a connecting piece uses the prefab with the connection end plate cooperation and strengthens connecting system when, existing mechanical connection can weld again, realizes duplicate protection, and the prefab after connecting is safe and reliable more.

The purpose of the utility model can be realized through the following technical scheme:

the utility model discloses the first aspect provides an integral type screw thread embraces card connecting piece, include:

the first connecting part comprises a first tensioning nut and a threaded locking and plugging rod, one end of the threaded locking and plugging rod extends into and is connected in the first tensioning nut, the other end of the threaded locking and plugging rod is a threaded locking head provided with external threads A and is exposed out of the first tensioning nut,

the second connecting part comprises a second tensioning nut, a middle supporting sleeve and an integrated clamp, wherein one end of the second tensioning nut is provided with a retaining ring, the middle supporting sleeve is connected into the other end of the second tensioning nut, the integrated clamp is arranged between the retaining ring and the middle supporting sleeve, the integrated clamp consists of an elastic body and a clamp inserted into the end part of the elastic body, the clamp faces the middle supporting sleeve and is provided with a multi-piece type tapered thread clamping piece exposed out of the end part of the elastic body, the inner side surface of the multi-piece type tapered thread clamping piece is provided with an internal thread A matched with the thread inserting locking head, and the outer side surface is contacted with the middle supporting sleeve and is matched with the contact surface of the middle supporting sleeve;

the thread mortise lock head penetrates through the middle support sleeve to be meshed with the multi-piece type conical thread clamping piece, and butt connection of the first connecting portion and the second connecting portion is achieved.

Preferably, the multi-piece tapered thread clamping piece is surrounded by a plurality of separated tapered pieces, the outer side of the multi-piece tapered thread clamping piece is in a tapered shape, and the contact surface between the middle support sleeve and the multi-piece tapered thread clamping piece is in a tapered shape matched with the outer side of the multi-piece tapered thread clamping piece.

Preferably, the outer side surface of the multi-piece type tapered thread clamping piece is provided with an external thread B, and the contact surface of the middle support sleeve and the multi-piece type tapered thread clamping piece is provided with an internal thread B matched with the external thread B of the multi-piece type tapered thread clamping piece.

Preferably, the clasp further has an insertion portion for being inserted into the elastic body, and an end portion of the elastic body is provided with a slot matched with the insertion portion.

Preferably, the insertion portion is defined by a plurality of arc pieces which are respectively connected to the multi-piece tapered thread clamp and are enclosed into a cylindrical shape.

Preferably, two adjacent arc pieces are connected with each other.

Preferably, the elastomer is cylindrical elastic glue.

Preferably, the inner diameter of the middle support sleeve is matched with the inner diameter of the multi-piece type tapered thread clamping piece.

The main body of the threaded mortise lock head is cylindrical, and the external thread A is arranged on the outer side surface of the cylindrical main body.

Preferably, the end of the threaded locking head is gradually contracted and provided with a correction guide head.

The utility model discloses a second aspect provides a prefab reinforced connection system, including the connection end plate and a plurality of said connecting pieces that set up respectively on the butt joint terminal surface of two butt joint prefabs that connect, the connection end plate on be equipped with a plurality of nut connecting holes, the first stretch-draw nut and the second stretch-draw nut of a plurality of connecting pieces correspond respectively through the screw and connect in the nut connecting hole on the connection end plate of two prefabs; the connecting end plates on the butt joint end surfaces of the two prefabricated parts are connected in a welding mode after the threaded mortise lock head of the connecting piece is meshed with the multi-piece type tapered threaded clamping piece.

Preferably, the connecting end plate has a shape of a square plate or a circular plate.

The utility model discloses a theory of operation is:

the first connecting part and the second connecting part are respectively arranged on the butt joint end faces of two prefabricated parts to be in butt joint connection, when the two prefabricated parts are in butt joint connection, the threaded mortise lock head of the threaded mortise lock rod of the first connecting part is inserted into the second connecting part and penetrates through the middle support sleeve to be inserted into the integrated clamp, when the threaded mortise lock head is inserted into the integrated clamp, the elastomer is extruded through the clamp, the elastomer is extruded and contracted, and the multi-piece type conical threaded clamp of the clamp is separated from contact with the conical inclined plane of the middle support sleeve and is expanded at the same time; and then the threaded locking head is continuously inserted, and the process is repeated until the butt joint of the two prefabricated parts is completed.

Compared with the prior art, the utility model discloses can prevent effectively that current connecting piece installation card locking plate from neglected loading or droing, more perfect the connection of two component terminal surfaces injustice, make a plurality of connecting pieces of two component terminal surfaces atress simultaneously, simple to operate, the construction butt joint is fast, not only environmental protection but also safety. Further, will the utility model discloses a connecting piece uses with the connection end plate cooperation and constitutes the prefab when strengthening the connected system, and existing mechanical connection can weld again, realizes duplicate protection, and the prefab after connecting is safe and reliable more.

Drawings

Fig. 1 is an exploded view of a connector according to an embodiment of the present invention.

Fig. 2 is a schematic connection diagram of a connector according to an embodiment of the present invention, wherein (a) is before the first connection portion and the second connection portion are connected, (b) is during the connection of the first connection portion and the second connection portion, and (c) is completed after the connection of the first connection portion and the second connection portion.

Fig. 3 is a schematic front view of a section (a) and a schematic front view (b) of a clamp of a connector according to an embodiment of the present invention.

Fig. 4 is a schematic front sectional view (a), a schematic front view (b), and a schematic top view (c) of an elastic body of a connector according to an embodiment of the present invention.

Fig. 5 is a schematic front view of a section (a) and a schematic front view (b) of an integrated clamp of a connector according to an embodiment of the present invention.

Fig. 6 is a schematic front sectional view (a) and a schematic front view (b) of the middle brace of the connector according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a screw locking bar of a connector according to an embodiment of the present invention.

Fig. 8 is a schematic connection diagram of the preform reinforced connection system according to an embodiment of the present invention, wherein (a) is before the first connection portion and the second connection portion are connected, (b) is during the connection of the first connection portion and the second connection portion, (c) is after the connection of the first connection portion and the second connection portion, and (d) is after the welding of the connection end plate.

FIG. 9 is an exploded view of the preform reinforcement attachment system of FIG. 8.

In the drawing, 1 is a first connection portion, 11 is a first tension nut, 12 is a threaded locking bar, 121 is a threaded locking head, 1211 is a correction guide head, 1212 is an external thread a, 122 is a locking bar big head, 2 is a second connection portion, 21 is a second tension nut, 211 is a retaining ring, 22 is an intermediate support sleeve, 221 is an internal thread B, 222 is a support sleeve external thread, 23 is an integrated holding clamp, 231 is an elastic body, 2311 is a slot, 232 is a holding clamp, 2321 is a multi-piece tapered thread clamping piece, 23211 is an internal thread a, 23212 is an external thread B, 23213 is a tapered piece, 2322 is an insertion portion, 23221 is an arc piece, 23222 is a connection portion, 3 is a connection end plate, 301 is a nut connection hole, and 31 is a welding portion.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

An integral threaded clasping connector, as shown in fig. 1, 2(a), 2(b) and 2(c), comprising a first connecting portion 1 and a second connecting portion 2, wherein: the first connecting part 1 comprises a first tensioning nut 11 and a threaded locking bar 12, one end of the threaded locking bar 12 extends into and is connected in the first tensioning nut 11, and the other end is a threaded locking head 121 provided with external threads A1212 and is exposed out of the first tensioning nut 11; the second connecting part 2 comprises a second tensioning screw cap 21, a middle support sleeve 22 and an integrated clamp 23, wherein one end of the second tensioning screw cap 21 is provided with a retaining ring 211 (the retaining ring 211 can be formed by shrinking the end part), the middle support sleeve 22 is connected into the other end of the second tensioning screw cap 21, the integrated clamp 23 is arranged between the retaining ring 211 and the middle support sleeve 22, the integrated clamp 23 consists of an elastic body 231 and a clamp 232 inserted into the end part of the elastic body 231, the clamp 232 faces the middle support sleeve 22 and is provided with a multi-piece tapered thread clamp 2321 exposed out of the end part of the elastic body 231, the inner side surface of the multi-piece tapered thread clamp 2321 is provided with an internal thread A23211 matched with the threaded locking head 121, the outer side surface is contacted with the middle support sleeve 22, and the contact surfaces of the outer side surface and the middle support sleeve 22 are matched; the threaded locking head 121 penetrates through the middle support sleeve 22 to be meshed with the multi-piece type tapered threaded clamping piece 2321, so that butt connection of the first connecting part 1 and the second connecting part 2 is achieved.

As shown in fig. 2(a), 2(b) and 2(c), in use, the first connecting portion 1 and the second connecting portion 2 are respectively disposed on the butt end surfaces of two preforms to be butt-connected (generally, a plurality of first connecting portions 1 and second connecting portions 2 are correspondingly disposed on the butt end surfaces of the two preforms), and the two preforms are generally used for butt-connecting up and down, for example, the first connecting portion 1 may be disposed on the lower end surface of the preform located above, and the second connecting portion 2 may be disposed on the upper end surface of the preform located below. When two prefabricated parts are in butt joint connection, first connecting parts 1 and second connecting parts 2 of a plurality of groups of connecting pieces on the upper end surface and the lower end surface of the two prefabricated parts are aligned, a threaded latch head 121 of a threaded latch rod 12 of the first connecting part 1 is inserted downwards into the second connecting part 2, the threaded insert lock head 121 is inserted into the integrated clamp 23 through the middle support sleeve 22, when the integrated clamp 23 is inserted, by pressing the elastic body 231 (downwards) by the clasping 232, the elastic body 231 is pressed and contracted (downwards), so that the multi-piece type tapered thread clamping piece 2321 (moving downwards) of the clasping 232 is separated from the tapered inclined surface of the middle support sleeve 22 and is expanded simultaneously, because the multi-piece tapered thread clamp 2321 is expanded, the elastic force of the elastic body 231 (upward) can urge the clasping clamp 232 (upward movement and gathering) to reset, and contacts with the middle support sleeve 22 through a taper inclined plane, and simultaneously engages with the part of the threaded mortise lock head 121 inserted into the clasping card 232; then the screw lock head 121 is inserted continuously, and the process is repeated until the two prefabricated parts are butted.

The special design embraces the card 232 structure to make its partly structure insert in the elastomer 231, realized embracing the spacing of card, form the elastomer and embrace the card integral type structure, can effectively avoid the easy condition of neglected loading or coming off that appears on the gasket is directly placed to the card of connecting piece among the prior art. In addition, due to the thread meshing form of the thread mortise lock head 121 and the multi-piece type tapered thread clamping piece 2321, even if the thread mortise lock head is incompletely inserted, a good connection effect can be achieved, connection of uneven end faces of two prefabricated parts is perfected, and a plurality of connecting pieces on the end faces of two components can be stressed simultaneously.

In this embodiment, referring to fig. 1, fig. 2, fig. 3(a) and fig. 3(b), preferably, the multi-piece tapered thread clamping plate 2321 is surrounded by a plurality of separated tapered pieces 23213, for example, there may be 2 or more, and in this embodiment, there are four tapered pieces constituting the multi-piece tapered thread clamping plate 2321. The outer side surface of the multi-piece tapered thread engagement member 2321 is tapered and hollow, with the smaller diameter end facing the intermediate brace 22 and the larger diameter end facing the stop ring 211. The contact surface of the middle brace 22 and the multi-piece tapered thread clamping piece 2321 is a taper matched with the outer side surface of the multi-piece tapered thread clamping piece 2321, and the function of gathering the multi-piece tapered thread clamping piece 2321 when the multi-piece tapered thread clamping piece 2321 contacts with the middle brace 22 is achieved. Further, an external thread B23212 may be further disposed on an outer side surface of the multi-piece tapered thread clamping piece 2321, so that the outer side of the multi-piece tapered thread clamping piece 2321 is in a tapered inclined-surface thread shape (the external thread B23212), the inner side of the multi-piece tapered thread clamping piece is provided with a nut with an internal thread 23211, and a contact surface between the middle bracing sleeve 22 and the multi-piece tapered thread clamping piece 2321 is provided with an internal thread B221 matched with the external thread B23212 of the multi-piece tapered thread clamping piece 2321, so that connection is more stable. As shown in fig. 3(a), fig. 3(b), fig. 4(a), fig. 4(b), fig. 4(c), fig. 5(a), fig. 5(b), fig. 6(a) and fig. 6(b), the clasping card 232 may further have an insertion portion 2322 for being inserted into the elastic body 231, an end portion of the elastic body 231 is provided with a slot 2311 matched with the insertion portion 2322, the insertion portion 2322 is inserted into the slot 2311 during use, and the slot 2311 is annular. The insertion portion 2322 is preferably defined by a plurality of cylindrical arc-shaped tabs 23221 connected to the multi-piece tapered thread engagement member 2321. The inserting portions 2322 may be independent, or two adjacent arc-shaped pieces 23221 may be connected to each other, so that not only are the separation between the plurality of tapered clamping pieces 2321 of the multi-piece tapered threaded clamping piece 2321 ensured, but also the clasping card 232 is integrally formed, and is less prone to being neglected to be installed or fall off. Preferably, two adjacent arc pieces 23221 are connected with each other through a connecting part 23222 located at one end of the arc piece 23221 away from the clasping card 232, so that the influence on the expansion and gathering of the multi-piece tapered thread clamping piece 2321 is reduced, and the integrity of the clasping card 232 is ensured. In practice, the clasping card 232 can be obtained by machining a cylindrical metal part through a machining process such as turning. The clasping means 232 may be made of an elastic metal material (for example, an alloy material with good elasticity and toughness and high strength may be used, and a commercially available elastic metal material may be selected according to the requirement, for example, manganese steel or 35GrMo may be used as a material of the high-strength screw). In this embodiment, the elastic body 231 is preferably a cylindrical elastic rubber. The clasps 232 and the elastic bodies 231 can be molded through glue injection.

In this embodiment, as shown in fig. 1, 2 and 7, one end of the threaded locking bar 12 extending into and connected to the first stretch nut 11 is a locking bar head 122, and the locking bar head 122 is connected to the first stretch nut by threads. It is further preferred that the body of the screw lock head 121 is cylindrical and the external thread a1212 is provided on the outer side of the cylindrical body. And further preferably the end of the screw lock head 121 is tapered and provided with a corrective guide 1211. The correction guide 1211 can correct the multi-piece tapered threaded card 2321 when the threaded locking head 121 is inserted, so that the insertion of the threaded locking head 121 is smoother.

In this embodiment, the middle stay 22 is connected to the internal thread of the second stretch-draw nut 21 through the stay external thread 222, and the integrated clasping clamp 23 is limited in the second stretch-draw nut 21 through the middle stay 22 and the baffle ring 211. Preferably, the inner diameter of the intermediate brace 22 matches the inner diameter of the multi-piece tapered thread slip 2321.

In a word the utility model discloses can prevent effectively that current connecting piece installation card locking plate from neglected loading or coming off, more perfect the connection of two component terminal surfaces injustice, make a plurality of connecting pieces of two component terminal surfaces can both be atress simultaneously, simple to operate, the construction butt joint is fast, not only environmental protection but also safety.

Example 2

A prefabricated member reinforced connecting system is shown in figures 8(a) - (d) and 9 (only one connecting end plate 3 around one connecting member is shown in the figures), and comprises the connecting end plate 3 and a plurality of connecting members of embodiment 1 which are respectively arranged on the butt joint end surfaces of two butt joint prefabricated members, wherein the connecting end plate 3 is provided with a plurality of nut connecting holes 301, and a first stretch nut 11 and a second stretch nut 21 (preferably, the outer sides of the first stretch nut 11 and the second stretch nut 21 are provided with external threads, as shown in figure 9) of the plurality of connecting members are respectively and correspondingly connected in the nut connecting holes 301 on the connecting end plates 3 of the two prefabricated members through threads; the connecting end plates 3 on the butt end faces of the two prefabricated members are connected in a welding mode after the threaded locking heads 121 of the connecting pieces are meshed with the multi-piece type tapered threaded clamping pieces 2321. When the first connecting portion 1 and the second connecting portion 2 are connected in place, the two connecting end plates 3 are also butted, for example, as shown in fig. 8(d), the two connecting end plates 3 are welded together in a welding manner, the welding may be performed along a circumference of the connecting end plate 3, and a welding position 31 is shown in fig. 8(d), so that the reliability of the welding is ensured. The connecting end plate 3 has a square plate shape or a circular plate shape (depending on the end face shape of the preform).

In some areas because the condition of soil property problem needs the enhancement connection or the particularity of considering the building connection makes the high condition of connection requirement, and a single kind is connected and can not reach the requirement, and this embodiment is through further setting up connection end plate 3, and existing mechanical connection can weld again, realizes duplicate protection, and the prefab after connecting is safe and reliable more.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides an integral type screw thread embraces card connecting piece which characterized in that includes:

the first connecting part (1) comprises a first tensioning nut (11) and a threaded locking bar (12), one end of the threaded locking bar (12) extends into and is connected in the first tensioning nut (11), the other end of the threaded locking bar is a threaded locking head (121) provided with external threads A (1212) and is exposed out of the first tensioning nut (11),

the second connecting part (2) comprises a second tensioning nut (21) with one end provided with a retaining ring (211), a middle supporting sleeve (22) connected to the other end of the second tensioning nut (21) and an integrated holding clamp (23) arranged between the retaining ring (211) and the middle supporting sleeve (22), the integrated holding clamp (23) consists of an elastic body (231) and a holding clamp (232) inserted at the end part of the elastic body (231), the holding clamp (232) faces the middle supporting sleeve (22) and is provided with a multi-piece type conical thread clamping piece (2321) exposed at the end part of the elastic body (231), the inner side surface of the multi-piece type conical thread clamping piece (2321) is provided with an internal thread A (23211) matched with the thread insertion lock head (121), the outer side surface is contacted with the middle supporting sleeve (22), and the contact surfaces of the two are matched;

the threaded mortise lock head (121) penetrates through the middle support sleeve (22) to be meshed with the multi-piece type conical threaded clamping piece (2321), and butt joint connection of the first connecting part (1) and the second connecting part (2) is achieved.

2. The integrated threaded clasping connector as claimed in claim 1, wherein the multi-piece tapered threaded snap (2321) is defined by a plurality of separated tapered pieces (23213), the outer side of the multi-piece tapered threaded snap (23213) is tapered, and the contact surface between the middle bracing sleeve (22) and the multi-piece tapered threaded snap (2321) is tapered to match the outer side of the multi-piece tapered threaded snap (2321).

3. The integrated threaded clasping connecting piece as claimed in claim 1 or 2, wherein the outer side surface of the multi-piece tapered threaded clamping piece (2321) is provided with an external thread B (23212), and the contact surface of the intermediate brace (22) and the multi-piece tapered threaded clamping piece (2321) is provided with an internal thread B (221) matched with the external thread B (23212) of the multi-piece tapered threaded clamping piece (2321).

4. An integral threaded clasping connector as claimed in claim 1, wherein said clasping means (232) further comprises an insertion portion (2322) for inserting into the elastic body (231), and the end of said elastic body (231) is provided with a slot (2311) matching with the insertion portion (2322).

5. An integral threaded snap connection according to claim 4, wherein said insert (2322) is defined by a plurality of cylindrical arc segments (23221) respectively connected to said multi-segment tapered threaded snap (2321).

6. An integral threaded clasping connector as in claim 5 wherein two adjacent arcs (23221) are connected to each other.

7. An integral threaded clasping connector as in claim 1 wherein said elastomer (231) is a cylindrical elastomeric gel.

8. The one-piece threaded clasping connector as claimed in claim 1, wherein the body of the threaded locking head (121) is cylindrical, and the external thread a (1212) is provided on the outer side of the cylindrical body.

9. An integral threaded snap connection according to claim 1 or 8, characterized in that the end of the threaded plug (121) is tapered and provided with a straightening guide (1211).

10. The prefabricated member reinforced connecting system is characterized by comprising a connecting end plate (3) and a plurality of connecting pieces according to any one of claims 1 to 9, wherein the connecting end plate (3) is respectively arranged on the butt joint end surfaces of two prefabricated members in butt joint connection, the connecting end plate (3) is provided with a plurality of nut connecting holes (301), and a first tensioning nut (11) and a second tensioning nut (21) of each connecting piece are respectively and correspondingly connected into the nut connecting holes (301) on the connecting end plates (3) of the two prefabricated members through threads; the connecting end plates (3) on the butt joint end surfaces of the two prefabricated parts are connected in a welding mode after the threaded mortise lock head (121) of the connecting piece is meshed with the multi-piece type tapered threaded clamping plate (2321).