CN219672243U - Anti-channeling double joist - Google Patents
Anti-channeling double joist Download PDFInfo
- Publication number
- CN219672243U CN219672243U CN202321158982.8U CN202321158982U CN219672243U CN 219672243 U CN219672243 U CN 219672243U CN 202321158982 U CN202321158982 U CN 202321158982U CN 219672243 U CN219672243 U CN 219672243U
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- CN
- China
- Prior art keywords
- joist
- fixing bolt
- limiting
- double
- grooves
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- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model discloses an anti-shifting double joist, which relates to the technical field of building construction support, and aims to improve the problem that when a double joist is used, only nuts are fastened for limiting, and when the nuts are not fastened in place during installation or are loosened during use, the double joist can be loosened, and certain influence is caused on construction safety. After the fixing bolt and the nut are installed, the limiting rod can be mutually fixed with the annular limiting groove on the fixing bolt under the action of the spring, so that the condition that the fixing bolt is loosened and shifted during use can be reduced, and the construction safety is improved.
Description
Technical Field
The utility model relates to the field of building construction support, in particular to an anti-movement double joist.
Background
The support frame is frequently used in daily construction, and the double joists are important component members in the support frame, and the double joists are support beams in the support frame, so that the material consumption of the support frame is reduced, and the safety and stability of the support frame are ensured.
The utility model of the prior publication number CN217630834U discloses an anti-movement double-joist device, which comprises double joists and a plurality of connecting components arranged between the double joists, wherein the double joists are detachably connected through the connecting components, grooves are symmetrically formed in the inner side walls of the double joists, the anti-movement double-joist device also comprises joist connecting sleeves for connecting two groups of double joists, the two groups of double joists are detachably connected through the joist connecting sleeves, the connecting components comprise anchoring connecting bolts and fastening nuts, and the anchoring connecting bolts penetrate through the double joists to be in threaded connection with the fastening nuts.
In the above technical solution, the inventor finds that at least the following problems exist in the technology, the double joists only fasten the nuts for limiting when in use, and when the nuts are not fastened in place or loose when in use, the double joists may loose, which has a certain influence on construction safety, so that an anti-play double joist is now proposed.
Disclosure of Invention
In order to improve the problem that the double joists are only used for limiting by fastening nuts when in use, and the double joists are possibly loosened when the nuts are not fastened in place or loosened when in use during installation, the utility model provides the anti-movement double joists.
The utility model provides an anti-channeling double joist, which adopts the following technical scheme:
the anti-channeling double joists comprise a first joist and a second joist, wherein a limiting cylinder is arranged between the first joist and the second joist, two ends of the limiting cylinder are respectively contacted with the first joist and the second joist, the first joist, the second joist and the limiting cylinder are connected through a fixing bolt, a nut is connected with the outer surface of the fixing bolt in a threaded manner, and one side of the nut is welded with the second joist;
the inside of first joist and second joist is all fixed mounting has the spring, the one end fixed mounting of spring has the movable block, the inside fixed gag lever post that wears to be equipped with of movable block, fixing bolt's lateral wall seted up with annular spacing groove of gag lever post looks adaptation.
Through adopting above-mentioned technical scheme, after installing fixing bolt and nut, the gag lever post can be fixed with the annular spacing groove on the fixing bolt each other under the effect of spring to reducible fixing bolt appears not hard up the condition of shifting when using, increased the security of construction.
Optionally, a first positioning block is fixedly installed on one side, close to the first joist, of the limiting cylinder, and a first positioning groove matched with the first positioning block is formed in the first joist.
Through adopting above-mentioned technical scheme, the area of contact between spacing section of thick bamboo and the first joist can be increased to first locating block and first constant head tank, can make spacing section of thick bamboo and the connection of first joist more firm.
Optionally, the outer wall of first joist and second joist is all seted up flutedly, the one end of gag lever post runs through to the recess inside and fixedly connected with pull rod.
By adopting the technical scheme, the pull rod can facilitate the staff to pull the limit rod to move.
Optionally, the slider is all fixed mounting in the opposite sides of movable block, the spout with slider looks adaptation is all seted up to the inside of first joist and second joist.
Through adopting above-mentioned technical scheme, slider and spout can restrict the movable range of movable block, can make the movable block remove more steadily simultaneously.
Optionally, rubber sealing gaskets are arranged on inner walls of grooves formed in the first joist and the second joist.
By adopting the technical scheme, the rubber sealing gasket can enable the inner structure of the groove to be in a relatively airtight environment, and the influence of the external environment on the inner structure of the groove can be reduced.
Optionally, a second positioning block is fixedly installed on one side, close to the second joist, of the limiting cylinder, and a second positioning groove matched with the second positioning block is formed in the second joist.
Through adopting above-mentioned technical scheme, the area of contact between spacing section of thick bamboo and the second joist can be increased to second locating piece and second constant head tank, can make the more firm of spacing section of thick bamboo and second joist connection.
Optionally, an inclined plane facing the screwing head of the fixing bolt is arranged at one end of the limiting rod away from the pull rod.
Through adopting above-mentioned technical scheme, when installing fixing bolt, fixing bolt accessible inclined plane promotes the gag lever post and removes to make fixing bolt can fix fast.
Optionally, the inner walls of the grooves formed in the first joist and the second joist are fixedly provided with elastic ropes, and the other ends of the elastic ropes are connected with rubber sealing gaskets.
Through adopting above-mentioned technical scheme, after opening the rubber seal pad, the elastic rope can tie up the rubber seal pad, and reducible rubber seal pad appears losing the condition.
In summary, the utility model has the following beneficial effects:
the utility model has simple operation and convenient use, and after the fixing bolt and the nut are installed, the limiting rod can be mutually fixed with the annular limiting groove on the fixing bolt under the action of the spring, thereby reducing the condition that the fixing bolt is loose and shifted when in use and improving the construction safety.
Drawings
Fig. 1 is a schematic cross-sectional elevation view of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
Fig. 3 is a schematic view of the structure of the stop lever of the present utility model.
Reference numerals illustrate:
1. a first joist; 2. a second joist; 3. a limiting cylinder; 4. a fixing bolt; 5. a spring; 6. a moving block; 7. a limit rod; 8. an annular limit groove; 9. a first positioning block; 10. a pull rod; 11. a slide block; 12. a rubber gasket; 13. a second positioning block; 14. an inclined plane; 15. an elastic rope; 16. and (3) a nut.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
Referring to fig. 1, an anti-moving double joist comprises a first joist 1 and a second joist 2, a limiting cylinder 3 is arranged between the first joist 1 and the second joist 2, and two ends of the limiting cylinder 3 are respectively contacted with the first joist 1 and the second joist 2.
Wherein, one side fixed mounting that spacing section of thick bamboo 3 is close to first joist 1 has first constant head tank 9, and first constant head tank with 9 looks adaptations of first constant head tank has been seted up to the inside of first joist 1, and the area of contact between spacing section of thick bamboo 3 and first joist 1 can be increased to first constant head tank 9 and first constant head tank, can make spacing section of thick bamboo 3 and the connection of first joist 1 more firm. One side of the limiting cylinder 3, which is close to the second joist 2, is fixedly provided with a second positioning block 13, a second positioning groove matched with the second positioning block 13 is formed in the second joist 2, the contact area between the limiting cylinder 3 and the second joist 2 can be increased by the second positioning block 13 and the second positioning groove, and the connection between the limiting cylinder 3 and the second joist 2 can be more stable.
Referring to fig. 1 and 2, the first joist 1, the second joist 2 and the limiting cylinder 3 are connected by a fixing bolt 4, a nut 16 is screwed on the outer surface of the fixing bolt 4, one side of the nut 16 is welded with the second joist 2, springs 5 are fixedly mounted in the first joist 1 and the second joist 2, and a moving block 6 is fixedly mounted at one end of each spring 5. The sliding blocks 11 are fixedly installed on the two opposite sides of the moving block 6, sliding grooves matched with the sliding blocks 11 are formed in the first joist 1 and the second joist 2, the sliding blocks 11 and the sliding grooves can limit the moving range of the moving block 6, and meanwhile the moving block 6 can move more stably.
Referring to fig. 1-3, a stop lever 7 is fixedly arranged in the moving block 6, and an annular stop slot 8 adapted to the stop lever 7 is formed in the side wall of the fixing bolt 4. The outer walls of the first joist 1 and the second joist 2 are provided with grooves, one end of the limiting rod 7 penetrates through the grooves and is fixedly connected with a pull rod 10, and the pull rod 10 can facilitate a worker to pull the limiting rod 7 to move. One end of the limiting rod 7 far away from the pull rod 10 is provided with an inclined surface 14 which faces the screwing head of the fixing bolt 4, and when the fixing bolt 4 is installed, the fixing bolt 4 can push the limiting rod 7 to move through the inclined surface 14, so that the fixing bolt 4 can be quickly fixed.
Wherein, the inner wall of the recess that first joist 1 and second joist 2 are inside all is provided with rubber seal 12, and rubber seal 12 can make recess inner structure be in relatively airtight environment, reducible external environment to recess inner structure's influence. The inner walls of the grooves formed in the first joist 1 and the second joist 2 are fixedly provided with elastic ropes 15, the other ends of the elastic ropes 15 are connected with the rubber sealing gaskets 12, after the rubber sealing gaskets 12 are opened, the elastic ropes 15 can bind the rubber sealing gaskets 12, and the loss of the rubber sealing gaskets 12 can be reduced.
The implementation principle of the utility model is as follows: after the fixing bolt 4 and the nut 16 are installed, the limiting rod 7 can be mutually fixed with the annular limiting groove 8 on the fixing bolt 4 under the action of the spring 5, so that the condition that the fixing bolt 4 is loosened and shifted when in use can be reduced, and the construction safety is improved;
when the fixing bolt 4 needs to be detached, a worker can pull the pull rod 10, the pull rod 10 can drive the limiting rod 7 to move, the limiting rod 7 can drive the moving block 6 to squeeze the spring 5 and separate from the annular limiting groove 8 on the fixing bolt 4, and then the worker can detach the fixing bolt 4.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides an anti-channeling double joist, includes first joist (1) and second joist (2), its characterized in that: a limiting cylinder (3) is arranged between the first joist (1) and the second joist (2), two ends of the limiting cylinder (3) are respectively contacted with the first joist (1) and the second joist (2), the first joist (1), the second joist (2) and the limiting cylinder (3) are connected through a fixing bolt (4), a nut (16) is connected with the outer surface of the fixing bolt (4) in a threaded manner, and one side of the nut (16) is welded with the second joist (2);
the novel lifting device is characterized in that springs (5) are fixedly arranged in the first joist (1) and the second joist (2), a moving block (6) is fixedly arranged at one end of each spring (5), a limiting rod (7) is fixedly arranged in each moving block (6) in a penetrating mode, and annular limiting grooves (8) matched with the limiting rods (7) are formed in the side walls of the fixing bolts (4).
2. The anti-play double joist according to claim 1, wherein: one side of the limiting cylinder (3) close to the first joist (1) is fixedly provided with a first positioning block (9), and a first positioning groove matched with the first positioning block (9) is formed in the first joist (1).
3. The anti-play double joist according to claim 1, wherein: the outer walls of the first joist (1) and the second joist (2) are provided with grooves, and one end of the limiting rod (7) penetrates through the grooves and is fixedly connected with a pull rod (10).
4. The anti-play double joist according to claim 1, wherein: sliding blocks (11) are fixedly mounted on two opposite sides of the moving block (6), and sliding grooves matched with the sliding blocks (11) are formed in the first joist (1) and the second joist (2).
5. An anti-play double joist according to claim 3, wherein: the inner walls of grooves formed in the first joist (1) and the second joist (2) are respectively provided with a rubber sealing pad (12).
6. The anti-play double joist according to claim 1, wherein: a second positioning block (13) is fixedly arranged on one side, close to the second joist (2), of the limiting cylinder (3), and a second positioning groove matched with the second positioning block (13) is formed in the second joist (2).
7. An anti-play double joist according to claim 3, wherein: one end of the limiting rod (7) far away from the pull rod (10) is provided with an inclined surface (14) which faces the screwing head of the fixing bolt (4).
8. The anti-play double joist according to claim 5, wherein: the inner walls of grooves formed in the first joist (1) and the second joist (2) are fixedly provided with elastic ropes (15), and the other ends of the elastic ropes (15) are connected with rubber sealing gaskets (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158982.8U CN219672243U (en) | 2023-05-15 | 2023-05-15 | Anti-channeling double joist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158982.8U CN219672243U (en) | 2023-05-15 | 2023-05-15 | Anti-channeling double joist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672243U true CN219672243U (en) | 2023-09-12 |
Family
ID=87925208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321158982.8U Active CN219672243U (en) | 2023-05-15 | 2023-05-15 | Anti-channeling double joist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672243U (en) |
-
2023
- 2023-05-15 CN CN202321158982.8U patent/CN219672243U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |