CN209780046U - T-shaped connecting piece for reinforcing steel bars - Google Patents
T-shaped connecting piece for reinforcing steel bars Download PDFInfo
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- CN209780046U CN209780046U CN201920141349.5U CN201920141349U CN209780046U CN 209780046 U CN209780046 U CN 209780046U CN 201920141349 U CN201920141349 U CN 201920141349U CN 209780046 U CN209780046 U CN 209780046U
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- sleeve
- connecting piece
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- stiff end
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Abstract
the utility model discloses a T style of calligraphy connecting piece of reinforcing bar, relate to fixed building field, the limited problem of reinforcing bar direction to current reinforcing bar connecting piece is connected, the following technical scheme is provided, a T style of calligraphy connecting piece of reinforcing bar, sleeve including the connecting bar tip, telescopic inner space sets up to the toper, the one end of the great internal diameter of sleeve sets up to the stiff end, the one end that the stiff end was kept away from to the sleeve sets up to the bar connection end, be equipped with the cover block that is used for fixed reinforcement in the sleeve, the cover block is equipped with the elastic component towards the direction of sleeve stiff end, telescopic stiff end connection all is connected with the connecting piece, the connecting piece sets up to "T" style of calligraphy, 3 tip of connecting piece all are connected with telescopic stiff end, the cover block sets up to split type structure, the internal surface of cover block is equipped with the spacing arch of reinforcing bar surface assorted.
Description
Technical Field
The utility model relates to a fixed building field, more specifically say, it relates to a T style of calligraphy connecting piece of reinforcing bar.
Background
The connecting mode of reinforcing bars mainly has ligature overlap joint, mechanical connection, sleeve pipe grout connection and welding, wherein through the telescopic connecting method of reinforcing bar owing to can arrange intensive department homoenergetic nimble operation at narrow and small place reinforcing bar, be convenient for connect and the construction, and reinforcing bar connecting sleeve is prefabricated in the mill, and pollution-free, the no naked light operation during the construction operation has advantages such as environmental protection and safety concurrently.
Chinese patent with application number CN200820187916.2 discloses a steel bar connecting sleeve, mainly comprises two toper sleeves, connecting block, fixed plate and spring, and two toper telescopic major diameter one end link together, and the centre is equipped with the fixed plate, and two toper telescopic inner chambers are equipped with the connecting block of toper form respectively, and the terminal surface of connecting block passes through the spring to be connected with the fixed plate.
Although the reinforcing steel bar connecting sleeve can realize the connection of reinforcing steel bars through the end parts of the two fixed reinforcing steel bars, the reinforcing steel bars can only extend along the length direction of the reinforcing steel bars during the connection, the connection direction of the reinforcing steel bars is limited, and the plurality of reinforcing steel bars are difficult to be connected in multiple directions simultaneously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a T style of calligraphy connecting piece of reinforcing bar has the advantage that realizes that a plurality of reinforcing bars carry out not equidirectional connection simultaneously.
In order to achieve the above purpose, the utility model provides a following technical scheme:
The utility model provides a T style of calligraphy connecting piece of reinforcing bar, includes the sleeve of connecting reinforcement tip, telescopic inner space sets up to the toper, the one end of the great internal diameter of sleeve sets up to the stiff end, the one end that the stiff end was kept away from to the sleeve sets up to the steel bar connection end, be equipped with the cover stock that is used for fixed reinforcement in the sleeve, the cover stock is equipped with the elastic component towards the direction of sleeve stiff end, telescopic stiff end connection all is connected with the connecting piece, the connecting piece sets up to "T" style of calligraphy, 3 tip of connecting piece all are connected with telescopic stiff end, the cover stock sets up to split type structure, the internal surface of cover stock be equipped with reinforcing.
By adopting the technical scheme, the steel bar passes through the sleeve block in the process of being inserted into the sleeve, the sleeve block extrudes the elastic part to move towards the direction of the connecting piece after being subjected to the force of the steel bar towards the direction of the connecting piece, the pressure of the outer surface of the sleeve block from the inner wall of the sleeve is reduced due to the increase of the inner diameter of the sleeve in the moving process of the sleeve block, so that the distance between the sleeve block and the sleeve block is increased, the inner diameter of a space formed by the sleeve block in a surrounding mode is increased, when the inner diameter of the sleeve block in the surrounding mode is larger than the diameter of the cross section of the steel bar, the elastic part penetrates through the inner space surrounded by the sleeve block and the elastic part along the length direction of the elastic part, when the end part of the steel bar is abutted against the connecting piece, the end part of the steel bar stops moving in the sleeve, the steel bar stops applying force to the sleeve block, after the sleeve block stops applying force to the elastic part, at the moment, so that the sleeve block is blocked in the gap between the inner wall of the sleeve and the steel bar.
When the reinforcing steel bar has a movement trend of separating from the sleeve, the static friction force between the sleeve block and the reinforcing steel bar prevents the separation of the reinforcing steel bar, the inner surface of the sleeve block is provided with the limiting protrusions, the limiting protrusions are matched with the transverse ribs on the surface of the reinforcing steel bar, the friction force generated when the inner wall of the sleeve block is contacted with the reinforcing steel bar is increased by the limiting protrusions in one direction, the resistance of the reinforcing steel bar separating from the space in the sleeve is increased, on the other hand, the limiting protrusions are contacted with the transverse ribs on the surface of the reinforcing steel bar, and the limiting protrusions apply a force opposite to the movement direction of the transverse. The reinforcing bar is when the production leaves telescopic motion trend, drives the sleeve block and removes towards telescopic bar connection end's direction, the sleeve block has reduced the pressure to the elastic component at this in-process, the elastic component is for resumeing the reverse power of applying towards telescopic bar connection end of state to the sleeve block, the contact of sleeve block and reinforcing bar is inseparabler under the effect of sleeve inner wall, make the reinforcing bar when the telescopic motion trend that the production left sleeve inside more firm to its fixed. Because the connecting piece sets up to "T" style of calligraphy, the tip that makes 3 reinforcing bars can link together, realizes the reinforcing bar and in the connection of level and two vertical directions, has reduced the restriction of reinforcing bar connection direction, has enlarged reinforcing bar connecting piece's application range.
Preferably, a plurality of sleeve blocks are arranged in the sleeve along the circumferential direction of the space in the sleeve, and the inner diameter of the combined sleeve blocks is matched with the outer diameter of the corresponding steel bar.
By adopting the technical scheme, the sleeve blocks are conveniently taken out of the sleeve by arranging the sleeve blocks in the sleeve; and each sleeve block is arranged separately, so that the adjustable range of the distance between the adjacent sleeve blocks is enlarged, the variation range of the diameter of the steel bar which can be accommodated by the sleeve is enlarged, and the application range of the sleeve is enlarged.
Preferably, the sleeve block is provided with 2 blocks in the sleeve along the circumferential direction of the inner space of the sleeve.
Adopt above-mentioned technical scheme, can realize through 2 collets that the sleeve encloses the change adjustment of closing the inner space that forms, 2 collets are because the motion space of horizontal direction is limited in the sleeve, can carry out inseparable contact with the reinforcing bar, for setting up the collets more than 2, 2 collets have reduced the collets probability of staggering the overlapping in the sleeve, make the collets more firm to the fixed of reinforcing bar in the sleeve, reduce the probability that the reinforcing bar breaks away from in the sleeve.
Preferably, the outer surface of the sleeve block is provided with a fastening ring along the circumferential direction.
Adopt above-mentioned technical scheme, split type cover block closes through enclosing of each part and plays the restriction to the side of reinforcing bar tip, and the fastening ring plays the restriction state to the surface of cover block, makes each part of cover block keep enclosing the state of closing, and the contact area of increase cover block internal surface and reinforcing bar tip side has reduced the probability that the cover block staggers in the sleeve for the cover block is more firm to the fixed of reinforcing bar tip in the sleeve, reduces the probability that the reinforcing bar breaks away from in the sleeve.
Preferably, the fastening ring is provided as a rubber ring or a plastic molded ring.
adopt above-mentioned technical scheme, the reversible deformation of rubber circle and plastic molding circle all makes it have higher elasticity, and the nested piece is at the in-process that moves along with the reinforcing bar towards the direction of sleeve stiff end, because the increase of sleeve internal diameter, the force that the sleeve inner wall was applyed on the reinforcing bar surface also reduces thereupon, and the elasticity of fastener makes the space that the nested piece encloses to close be the changeable space of elasticity to make the nested piece keep the tight hoop state to the reinforcing bar, strengthened the fastening action of nested piece to the reinforcing bar.
Preferably, the elastic member is provided as a spring.
By adopting the technical scheme, the middle part of the spring provides a movement space for the end part of the reinforcing steel bar to enter the sleeve to be contacted with the end surface of the fixing piece, and pressure is generated on the side surface of the end part of the reinforcing steel bar after the end part of the reinforcing steel bar enters the sleeve, so that the fixation of the sleeve to the end part of the reinforcing steel bar is enhanced; the spring can be set as a stainless steel pressure spring and other springs with higher bearing performance, the spring is utilized to have higher bearing axial pressure, the deformation energy of the spring is stored under the combined action of the sleeve block and the fixing piece, and when the end part of the reinforcing steel bar generates a movement trend of separating from the sleeve in the sleeve, the deformation energy of the spring is immediately converted into the kinetic energy of the sleeve block, so that the sleeve block is in contact with the reinforcing steel bar in a reinforcing way, and the fixing of the end part of the reinforcing steel bar is enhanced.
Preferably, the limiting protrusions are arranged in plurality along the length direction of the sleeve block.
By adopting the technical scheme, the limiting bulges are matched with the transverse ribs on the surface of the steel bar by arranging the plurality of limiting bulges, so that the limiting effect on the movement of the steel bar in the sleeve is increased in the contact process of the surface of the steel bar and the limiting bulges; on the other hand, the contact area between the sleeve and the steel bar is increased, so that the friction force generated by the inner surface of the sleeve to the steel bar is increased, the resistance when the steel bar leaves the sleeve is increased, and the separation of the end part of the steel bar from the sleeve is limited.
To sum up, the utility model discloses following beneficial effect has:
1. The connecting piece is arranged in a T shape, so that the connecting piece is provided with 3 connecting ports, the connection of the steel bars in the horizontal and vertical directions is realized, and the application range of the connecting piece is expanded;
2. The two sleeve blocks are arranged to fill the gap between the inner wall of the sleeve and the steel bar, so that the sleeve blocks are more tightly connected with the steel bar when the steel bar generates a movement trend of separating from the sleeve, and the probability that the steel bar falls from the sleeve is prevented;
3. The fastening ring is arranged on the outer surface of the sleeve block, and the sleeve block is limited by the fastening ring to move in the horizontal direction, so that the sleeve block is in closer contact with the surface of the steel bar, and the fixing effect of the sleeve block on the steel bar is enhanced.
Drawings
Fig. 1 is the utility model relates to a structural schematic of T style of calligraphy connecting piece of reinforcing bar.
Fig. 2 is the utility model relates to a telescopic structural schematic in T style of calligraphy connecting piece of reinforcing bar.
fig. 3 is the utility model relates to a structural schematic of connecting piece in T style of calligraphy connecting piece of reinforcing bar.
Detailed Description
The following is further detailed by way of specific embodiments:
Reference numerals in the drawings of the specification include: sleeve 1, collets 2, spring 3, connecting piece 4, spacing arch 5, recess 6, link 7.
The utility model provides a T style of calligraphy connecting piece of reinforcing bar, as shown in fig. 1 and fig. 2, includes sleeve 1, and sleeve 1's internal surface sets up to the toper, is equipped with sleeve block 2 in the sleeve 1, and sleeve block 2 is provided with two along the circumference of sleeve 1 inner space, and two sleeve blocks 2 surround the shape that forms and sleeve 1's inner space matching, and the fast inner wall of cover is equipped with spacing arch 5, and spacing arch 5 sets up to the cross rib phase-match with the reinforcing bar surface.
As shown in fig. 3, the opening part of the fixed end of the sleeve 1 is connected with a connecting piece 4, the side surface of the connecting piece 4 is provided with 1 connecting end 7, the connecting piece 4 and the connecting end 7 jointly form a T shape, the end part of the connecting piece 4 and the end part of the connecting end 7 are both provided with a groove 6, the inner space of the groove 6 is matched with the end part of the steel bar, and the inner diameter of the groove 6 can be provided with various specifications for adapting to connecting steel bars with different sizes. The outer side surface of the end part of the connecting piece 4 is provided with a thread bulge, and the side surface of the opening of the fixed end of the sleeve 1 is provided with a thread groove matched with the thread bulge on the surface of the connecting piece 4.
The opening direction of nest block 2 orientation stiff end is equipped with spring 3, and spring 3 sets up along the length direction of its inner space in sleeve 1, and the one end that the nest block 2 was kept away from to spring 3 and the tip butt of connecting piece 4.
When the connecting piece is used for connecting the reinforcing steel bars, the sleeve block 2 is placed in the sleeve 1 from the opening of the fixed end of the sleeve 1, so that the sleeve block 2 is matched with the inner space of the sleeve 1, placing a spring 3 at the opening of the sleeve block 2 close to the fixed end of the sleeve 1 along the length direction of the sleeve 1, sleeving the sleeve 1 at the end part of the connecting piece 4, rotating the sleeve 1 to enable the inner wall of the sleeve 1 to be in threaded connection with the end part of the connecting piece 4, screwing the sleeve 1 and the connecting piece 4, enabling the two end parts and the connecting end 7 of the connecting piece 4 to be fixed with the sleeve 1 according to the same operation, inserting a steel bar along the axial length direction of the sleeve 1 from the opening with the smaller inner diameter of the sleeve 1 after prefabricating the connecting piece, when the steel bar is abutted against the end face of the connecting piece 4 in the sleeve 1, the connection of the steel bar and the connecting piece is completed, and the steel bar of the connecting piece is inserted into the connecting piece according to the same operation to complete the connection of the steel bar; when the reinforcing steel bar in the connecting piece needs to be taken out, the sleeve 1 at the end part of the connecting piece 4 is rotated to release the fixation between the connecting piece 4 and the sleeve 1, and the spring 3 and the sleeve block 2 are sequentially taken out, so that the fixing of the reinforcing steel bar is released, and the reinforcing steel bar can be taken out.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a T style of calligraphy connecting piece of reinforcing bar, includes the sleeve of connecting reinforcement tip, telescopic inner space sets up to the toper, the one end of the great internal diameter of sleeve sets up to the stiff end, the one end that the stiff end was kept away from to the sleeve sets up to the bar connection end, be equipped with the cover block that is used for fixed reinforcement in the sleeve, the cover block is equipped with elastic component, its characterized in that towards the direction of sleeve stiff end: telescopic stiff end is connected and all is connected with the connecting piece, the connecting piece sets up to "T" style of calligraphy, 3 tip of connecting piece all are connected with telescopic stiff end, the cover piece sets up to split type structure, the internal surface of cover piece be equipped with reinforcing bar surface assorted spacing arch.
2. A T-shaped connector for reinforcing bars as claimed in claim 1, wherein: the sleeve blocks are arranged in the sleeve along the circumferential direction of the space in the sleeve, and the inner diameter of the combined sleeve blocks is matched with the outer diameter of the corresponding steel bar.
3. A T-shaped connector for reinforcing bars as claimed in claim 2, wherein: the sleeve block is provided with 2 along the circumference of the space in the sleeve.
4. A T-shaped connector for reinforcing bars as claimed in claim 1, wherein: the outer surface of the sleeve block is provided with a fastening ring along the circumferential direction.
5. A T-shaped connector for reinforcing bars as claimed in claim 4, wherein: the fastening ring is arranged to be a rubber ring or a plastic molding ring.
6. A T-shaped connector for reinforcing bars as claimed in claim 1, wherein: the elastic member is provided as a spring.
7. a T-shaped connector for reinforcing bars as claimed in claim 1, wherein: the limiting protrusions are arranged in a plurality along the length direction of the sleeve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141349.5U CN209780046U (en) | 2019-01-24 | 2019-01-24 | T-shaped connecting piece for reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141349.5U CN209780046U (en) | 2019-01-24 | 2019-01-24 | T-shaped connecting piece for reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780046U true CN209780046U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920141349.5U Active CN209780046U (en) | 2019-01-24 | 2019-01-24 | T-shaped connecting piece for reinforcing steel bars |
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| CN (1) | CN209780046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456328A (en) * | 2020-03-30 | 2020-07-28 | 无锡市政设计研究院有限公司 | Novel bar planting structure and construction method thereof |
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2019
- 2019-01-24 CN CN201920141349.5U patent/CN209780046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456328A (en) * | 2020-03-30 | 2020-07-28 | 无锡市政设计研究院有限公司 | Novel bar planting structure and construction method thereof |
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