CN213926708U - Fastening assembly for prefabricated building - Google Patents
Fastening assembly for prefabricated building Download PDFInfo
- Publication number
- CN213926708U CN213926708U CN202022072985.2U CN202022072985U CN213926708U CN 213926708 U CN213926708 U CN 213926708U CN 202022072985 U CN202022072985 U CN 202022072985U CN 213926708 U CN213926708 U CN 213926708U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- head
- nut
- screw rod
- tooth body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a fastening assembly for an assembly type building, which comprises a screw rod and a nut with internal threads, wherein the screw rod comprises a spiral part with external threads and a head part which is positioned at one end of the spiral part and has an external diameter larger than the external diameter of the spiral part, and the nut is arranged on the spiral part of the screw rod; a sleeve is sleeved on the spiral part between the head of the screw and the nut, the end face of one end of the sleeve is contacted with the head of the screw, a plurality of wire grooves axially parallel to the spiral part are formed in the end face of the other end of the sleeve at intervals along the circumferential direction, and a plurality of raised strips embedded into the wire grooves are formed in the outer surface of the nut at intervals along the circumferential direction; the surface that sleeve and screw rod head contacted each other all is provided with a plurality of tooth body of arranging along circumference on respectively, and this a plurality of tooth body sets up in succession to form a tooth's socket between adjacent tooth body. The utility model discloses can realize realizing fastening connection to one side for a plurality of parts (like the pipe cylinder) in airtight space, and convenient operation, fastening are effectual.
Description
Technical Field
The utility model relates to a building field especially relates to a fastening components for assembly type structure.
Background
As technology has matured, fabricated buildings have begun to emerge and are of general interest to the construction industry. The prefabricated building refers to a building assembled on a construction site by using prefabricated components. The building has the advantages of high building speed, less restriction by climatic conditions, labor saving and building quality improvement.
For the connection of various tubular components in a fabricated building, the method in the technical code of light steel structure houses (JGJ 209-2010) is to sleeve and connect a steel pipe column by a steel sleeve, and then weld the steel pipe column and the steel sleeve together by spot welding on the steel sleeve. However, the method has the disadvantages that the binding force between the steel sleeve and the steel pipe column is not strong, the overall performance is insufficient, the assembly is complex and time-consuming, and the method is better dependent on the professional degree of constructors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fastening components for assembly type structure, this a fastening components for assembly type structure can realize realizing fastening connection to one side for a plurality of parts (like the tube column body) of airtight space, and convenient operation, fastening are effectual.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a fastening assembly for prefabricated buildings, comprising a screw having a screw portion with an external thread and a head portion at one end of the screw portion and having an outer diameter greater than that of the screw portion, and a nut having an internal thread, the nut being mounted on the screw portion of the screw;
a sleeve is sleeved on the spiral part between the head of the screw and the nut, the end face of one end of the sleeve is contacted with the head of the screw, a plurality of wire grooves axially parallel to the spiral part are formed in the end face of the other end of the sleeve at intervals along the circumferential direction, and a plurality of raised strips embedded into the wire grooves are formed in the outer surface of the nut at intervals along the circumferential direction;
the nut further comprises a first end part with a convex strip and a second end part far away from the sleeve, the outer surface of the first end part is a conical surface, the outer diameter of the joint of the first end part and the second end part is the maximum outer diameter of the nut, and the maximum outer diameter is the same as the outer diameter of the sleeve;
the utility model discloses a screw rod, including screw rod head, sleeve and screw rod head, the sleeve all is provided with a plurality of tooth bodies of arranging along circumference on the surface of sleeve and screw rod head mutual contact separately, and this a plurality of tooth body sets up in succession to form a tooth's socket between adjacent tooth body, in the tooth's socket on the tooth body embedding screw rod head on the sleeve, in the tooth's socket on the tooth body embedding sleeve on the screw rod head, a face of tooth body is for being on a parallel with screw rod, the axial vertical face of sleeve, another face of tooth body is the inclined plane, and the contained angle that forms between this vertical face and the inclined plane is the acute angle.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, an included angle formed between the vertical surface and the inclined surface of the tooth body is 55-65 degrees.
2. In the above scheme, the outer wall of the head part is provided with a plurality of outward protrusions, so that the head part is in a regular hexagon shape.
3. In the above scheme, the head part of the screw rod and the spiral part thereof are of an integrally formed structure.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model is used for the fastening assembly of assembly type structure, it can replace the welding, realize fastening connection to one side a plurality of parts (if between two tube cylinder bodies, between a tube cylinder body and other parts) for airtight space, and convenient operation, fastening are effectual, and can not appear skidding completely, with the condition that turns to or even become flexible and drop, and then guarantee the stability of connecting between the part.
2. The utility model discloses a fastening components for assembly type structure, the terminal surface of its sleeve one end contacts with the head of screw rod, along circumference interval on the terminal surface of the sleeve other end seted up a plurality of and spiral portion axial direction parallel's wire casing, along circumference interval on the surface of nut be provided with a plurality of confession embedding sand grip in the wire casing, the nut further includes the first end that has the sand grip and keeps away from the telescopic second end, the surface of first end is the toper face, the external diameter of the junction of this first end and second end is the maximum external diameter of nut, this maximum external diameter is the same with the telescopic external diameter, through the embedding joint of sand grip tip and wire casing, guarantees the relative fixation of nut and sleeve to realize only can realizing fast from the outside screwing up nut and bolt, and is further, can also play the guide effect, cooperates the toper face of first end, through further to sleeve direction removal of nut, strut sleeve one end outwards, further guarantee connection structure's stability and joint strength, avoid taking place to connect the condition such as not hard up.
3. The fastening component for the assembly type building of the utility model is characterized in that the surfaces of the sleeve and the head part of the screw rod which are contacted with each other are respectively provided with a plurality of tooth bodies which are distributed along the circumferential direction and are continuously arranged, so as to form a tooth groove between adjacent tooth bodies, the tooth bodies on the sleeve are embedded into the tooth groove on the head part of the screw rod, the tooth body on the head of the screw is embedded into the tooth groove on the sleeve, one surface of the tooth body is a vertical surface parallel to the screw and the sleeve in the axial direction, the other surface of the tooth body is an inclined surface, the included angle formed between the vertical surface and the inclined surface is an acute angle, and through the mutual matching of the inclined teeth with right-angled triangle sections, make the screw rod rotatory in the past one direction only, it leads to connecting not hard up to avoid taking place to turn round after the installation is accomplished, and directly set up the tooth body in sleeve and screw rod head, structural integrity and stability are good.
Drawings
Fig. 1 is a schematic structural view of a fastening assembly for a fabricated building according to the present invention;
FIG. 2 is an exploded view of the fastening assembly for prefabricated buildings according to the present invention;
fig. 3 is a partial structure exploded view of the fastening assembly for prefabricated buildings according to the present invention.
In the above drawings: 1. a screw; 2. a nut; 3. a spiral portion; 4. a head portion; 5. a sleeve; 6. a wire slot; 7. a convex strip; 8. a first end portion; 9. a second end portion; 11. a tooth body; 12. a tooth socket.
Detailed Description
Example 1: a fastening assembly for prefabricated buildings comprises a screw 1 and a nut 2 with internal threads, wherein the screw 1 comprises a spiral part 3 with external threads and a head part 4 which is positioned at one end of the spiral part 3 and has an external diameter larger than that of the spiral part 3, and the nut 2 is arranged on the spiral part 3 of the screw 1;
a sleeve 5 is sleeved on the spiral part 3 between the head 4 of the screw rod 1 and the nut 2, the end face of one end of the sleeve 5 is contacted with the head 4 of the screw rod 1, a plurality of wire grooves 6 which are parallel to the axial direction of the spiral part 3 are arranged on the end face of the other end of the sleeve 5 at intervals along the circumferential direction, and a plurality of convex strips 7 which are embedded into the wire grooves 6 are arranged on the outer surface of the nut 2 at intervals along the circumferential direction;
the nut 2 further comprises a first end part 8 with convex strips 7 and a second end part 9 far away from the sleeve 5, the outer surface of the first end part 8 is a conical surface, the outer diameter of the joint of the first end part 8 and the second end part 9 is the maximum outer diameter of the nut 2, and the maximum outer diameter is the same as the outer diameter of the sleeve 5;
the surface of the sleeve 5, which is in contact with the head 4 of the screw rod 1, is provided with a plurality of tooth bodies 11 which are arranged along the circumferential direction, the tooth bodies 11 are continuously arranged, so that a tooth groove 12 is formed between the adjacent tooth bodies 11, the tooth body 11 on the sleeve 5 is embedded into the tooth groove 12 on the head 4 of the screw rod 1, the tooth body 11 on the head 4 of the screw rod 1 is embedded into the tooth groove 12 on the sleeve 5, one surface of the tooth body 11 is a vertical surface which is parallel to the axial direction of the screw rod 1 and the sleeve 5, the other surface of the tooth body 11 is an inclined surface, and an included angle formed between the vertical surface and the inclined surface is an acute angle.
The head part 4 of the screw rod 1 is fixedly connected with the spiral part 3 thereof through threads; the angle formed between the vertical surface and the inclined surface of the tooth body 11 is 60 °.
Example 2: a fastening assembly for prefabricated buildings comprises a screw 1 and a nut 2 with internal threads, wherein the screw 1 comprises a spiral part 3 with external threads and a head part 4 which is positioned at one end of the spiral part 3 and has an external diameter larger than that of the spiral part 3, and the nut 2 is arranged on the spiral part 3 of the screw 1;
a sleeve 5 is sleeved on the spiral part 3 between the head 4 of the screw rod 1 and the nut 2, the end face of one end of the sleeve 5 is contacted with the head 4 of the screw rod 1, a plurality of wire grooves 6 which are parallel to the axial direction of the spiral part 3 are arranged on the end face of the other end of the sleeve 5 at intervals along the circumferential direction, and a plurality of convex strips 7 which are embedded into the wire grooves 6 are arranged on the outer surface of the nut 2 at intervals along the circumferential direction;
the nut 2 further comprises a first end portion 8 with a raised line 7 and a second end portion 9 far away from the sleeve 5, the outer surface of the first end portion 8 is a conical surface, the outer diameter of the joint of the first end portion 8 and the second end portion 9 is the maximum outer diameter of the nut 2, the maximum outer diameter is the same as the outer diameter of the sleeve 5, and the nut and the sleeve are ensured to be relatively fixed through the embedded clamping of the raised line end portion and a wire groove, so that the nut and the bolt can be quickly screwed down only from the outer side, further, a guiding effect can be achieved, the nut is matched with the conical surface of the first end portion, the nut further moves towards the sleeve, one end of the sleeve is outwards propped open, the stability and the connection strength of the connection structure are further ensured, and the situations of connection looseness and the like are avoided;
the surfaces of the sleeve 5 and the head 4 of the screw 1, which are contacted with each other, are respectively provided with a plurality of tooth bodies 11 which are arranged along the circumferential direction, the plurality of tooth bodies 11 are continuously arranged, so that a tooth groove 12 is formed between the adjacent tooth bodies 11, the tooth body 11 on the sleeve 5 is embedded into the tooth groove 12 on the head 4 of the screw 1, the tooth body 11 on the head 4 of the screw 1 is embedded into the tooth groove 12 on the sleeve 5, one surface of the tooth body 11 is a vertical surface parallel to the axial direction of the screw 1 and the sleeve 5, the other surface of the tooth body 11 is an inclined surface, the included angle formed between the vertical surface and the inclined surface is an acute angle, and through the mutual matching of the inclined teeth with right-angled triangle sections, make the screw rod rotatory in the past one direction only, it leads to connecting not hard up to avoid taking place to turn round after the installation is accomplished, and directly set up the tooth body in sleeve and screw rod head, structural integrity and stability are good.
The head 4 of the screw 1 and the spiral part 3 are integrally formed; an included angle formed between the vertical surface and the inclined surface of the tooth body 11 is 58 degrees; the outer wall of the head part 4 is provided with a plurality of outward bulges, so that the shape of the head part 4 is a regular hexagon.
During the use, earlier with the screw rod, nut and sleeve equipment bolt assembly as an organic whole, it is interior to make the thread groove on the sleeve imbed to sand grip one end on the nut, thereby make nut and sleeve keep relatively fixed, pass bolt assembly again and treat adapting unit's installation through-hole, then fix the sleeve through instruments such as spanner, rotatory screw rod, along with the rotation of screw rod, the nut moves towards the direction that is close to the screw head along the axial of screw rod, further make sand grip imbed in the thread groove on the sleeve, the sleeve outwards opens under the first end effect that the nut has the conical surface simultaneously, move to suitable position when the nut, stop rotatory screw rod, through the mutually supporting of tooth body and tooth's socket on screw head and the sleeve, avoid the screw rod to take place reverse rotation and make the connection not hard up.
When the fastening assembly for the assembly type building is adopted, the fastening assembly can replace welding and realize fastening connection of a plurality of parts (such as pipe columns) with one side being a closed space, is convenient to operate and good in fastening effect, and can completely avoid the situations of slipping, follow-up rotation and even loosening and falling, so that the connection stability between the parts is ensured;
the nut and the sleeve are relatively fixed through the embedded clamping of the end part of the raised line and the wire groove, so that the nut and the bolt can be quickly screwed only from the outer side, further, the nut and the bolt can also play a role in guiding, and one end of the sleeve is outwards propped open through the further movement of the nut towards the sleeve direction by matching with the conical surface of the first end part, so that the stability and the connection strength of a connection structure are further ensured, and the situations of connection looseness and the like are avoided;
through the mutual cooperation between the helical tooth that the cross-section is right triangle for the screw rod can only be rotatory in one direction in the past, avoids taking place to turn round after the installation and leads to connecting not hard up, and directly sets up the tooth body in sleeve and screw rod head, and structural integrity and stability are good.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A fastening assembly for a fabricated building, characterized by: the nut is characterized by comprising a screw rod (1) and a nut (2) with an internal thread, wherein the screw rod (1) comprises a spiral part (3) with an external thread and a head part (4) which is positioned at one end of the spiral part (3) and has an external diameter larger than that of the spiral part (3), and the nut (2) is arranged on the spiral part (3) of the screw rod (1);
a sleeve (5) is sleeved on the spiral part (3) between the head (4) of the screw (1) and the nut (2), the end face of one end of the sleeve (5) is in contact with the head (4) of the screw (1), a plurality of wire grooves (6) which are axially parallel to the spiral part (3) are formed in the end face of the other end of the sleeve (5) at intervals along the circumferential direction, and a plurality of raised strips (7) which are embedded into the wire grooves (6) are formed in the outer surface of the nut (2) at intervals along the circumferential direction;
the nut (2) further comprises a first end part (8) with a convex strip (7) and a second end part (9) far away from the sleeve (5), the outer surface of the first end part (8) is a conical surface, the outer diameter of the joint of the first end part (8) and the second end part (9) is the maximum outer diameter of the nut (2), and the maximum outer diameter is the same as the outer diameter of the sleeve (5);
the surface that sleeve (5) and screw rod (1) head (4) contacted each other all is provided with a plurality of tooth body (11) of arranging along circumference on respectively, and this a plurality of tooth body (11) set up in succession to form a tooth's socket (12) between adjacent tooth body (11), tooth body (11) on sleeve (5) imbed in tooth's socket (12) on screw rod (1) head (4), tooth body (11) on screw rod (1) head (4) imbed in tooth's socket (12) on sleeve (5), a face of tooth body (11) is for being on a parallel with screw rod (1), sleeve (5) axial vertical face, another face of tooth body (11) is the inclined plane, and the contained angle that forms between this vertical face and the inclined plane is the acute angle.
2. The fastening assembly for a fabricated building according to claim 1, wherein: an included angle formed between the vertical surface and the inclined surface of the tooth body (11) is 55-65 degrees.
3. The fastening assembly for a fabricated building according to claim 1 or 2, wherein: the outer wall of the head part (4) is provided with a plurality of outward bulges, so that the shape of the head part (4) is a regular hexagon.
4. The fastening assembly for a fabricated building according to claim 1, wherein: the head (4) of the screw (1) and the spiral part (3) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072985.2U CN213926708U (en) | 2020-09-21 | 2020-09-21 | Fastening assembly for prefabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072985.2U CN213926708U (en) | 2020-09-21 | 2020-09-21 | Fastening assembly for prefabricated building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213926708U true CN213926708U (en) | 2021-08-10 |
Family
ID=77218795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022072985.2U Active CN213926708U (en) | 2020-09-21 | 2020-09-21 | Fastening assembly for prefabricated building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213926708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179515A1 (en) * | 2022-03-24 | 2023-09-28 | 昊恒（福建）建材科技有限公司 | Connection structure used in assembled building |
-
2020
- 2020-09-21 CN CN202022072985.2U patent/CN213926708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179515A1 (en) * | 2022-03-24 | 2023-09-28 | 昊恒（福建）建材科技有限公司 | Connection structure used in assembled building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213926708U (en) | Fastening assembly for prefabricated building | |
| CN114250860A (en) | Connecting unit of prefabricated building | |
| CN213929079U (en) | High stability bolt coupling assembling | |
| CN211082502U (en) | Expansion bolt | |
| CN213929078U (en) | Secure bolt assembly | |
| CN212106544U (en) | Bolt capable of preventing nut from loosening | |
| CN215907014U (en) | Unit connection node of prefabricated building | |
| CN112727874A (en) | Structure for quickly connecting displacement rod | |
| TWI690124B (en) | Anti-loosing connector | |
| CN210949453U (en) | Waterproof screw | |
| CN211172724U (en) | Screw-thread steel connecting sleeve convenient to installation | |
| CN207212900U (en) | A kind of studs | |
| CN106151216A (en) | A kind of the most stubborn stud with in-line threaded end | |
| CN215720054U (en) | High-strength bolt assembly | |
| CN2938390Y (en) | Rod for changing energy-saving tube | |
| CN2846030Y (en) | Multiangle socket spanner | |
| CN218952603U (en) | Joint bearing type steel bar connector | |
| CN214661347U (en) | Bolt connection pair of assembled steel structure | |
| CN220268178U (en) | Anti-loosening check screw | |
| CN205937410U (en) | Cover -shaped nut | |
| CN205823855U (en) | A kind of reinforced fixing antirust bolt | |
| CN204893782U (en) | Nut assembly and disassembly tools | |
| CN215333848U (en) | Expansion anchor bolt | |
| CN220204332U (en) | Bolt of antiskid silk | |
| CN205244060U (en) | Novel expand end crab -bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |