CN220686511U - Reinforcing bar connector with double eccentric adjusting function - Google Patents
Reinforcing bar connector with double eccentric adjusting function Download PDFInfo
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- CN220686511U CN220686511U CN202322239797.8U CN202322239797U CN220686511U CN 220686511 U CN220686511 U CN 220686511U CN 202322239797 U CN202322239797 U CN 202322239797U CN 220686511 U CN220686511 U CN 220686511U
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- reinforcing bar
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- 230000003014 reinforcing effect Effects 0.000 title claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000006870 function Effects 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000009711 regulatory function Effects 0.000 claims description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a steel bar connector with a double eccentric adjusting function, and belongs to the field of constructional engineering. The utility model comprises a first connecting sleeve and a second connecting sleeve, and is characterized in that: the first connecting sleeve is connected with the second connecting sleeve through a steel bar connector main body; the steel bar connector main body comprises an eccentric bolt assembly and an eccentric screw assembly, the first connecting sleeve is connected with the eccentric bolt assembly, the second connecting sleeve is connected with the eccentric screw assembly, and the eccentric bolt assembly is matched with the eccentric screw assembly; the eccentric bolt assembly comprises an eccentric bolt and a connecting screw sleeve, the eccentric screw assembly comprises an eccentric screw, the first connecting sleeve is in threaded connection with the bolt rod portion, the second connecting sleeve is in threaded connection with the screw rod portion, the connecting screw sleeve is arranged on the bolt rod portion, and the head of the bolt is matched with the head of the screw rod through the connecting screw sleeve.
Description
Technical Field
The utility model relates to a steel bar connector with a double eccentric adjusting function, and belongs to the field of constructional engineering.
Background
In building construction, it is often necessary to connect the reinforcing bars, and for an assembled concrete structure, such as connection between a precast concrete member and a foundation, or connection between precast beams and precast columns, the reinforcing bars to be connected are already cast in the concrete member at this time, the reinforcing bars to be connected on both sides cannot rotate, and have a certain deviation in the axial direction, and there is a certain gap between the reinforcing bars on both ends and the gap between each group of reinforcing bars is also different.
In the prior art, two steel bars are connected by adopting a grouting sleeve, a double-layer threaded sleeve, an inner threaded sleeve, an outer threaded sleeve or the like, and the two steel bars have the following defects: (1) When the grouting sleeve is used for connection, the operation is complicated, the cost is high, the connection strength depends on the chemical process, and the connection quality is difficult to control; (2) When the double-layer threaded sleeve, the inner threaded sleeve, the outer threaded sleeve and other mechanical connection modes are adopted, most of the double-layer threaded sleeve or the inner threaded sleeve is also provided with a pipe body structure with inner threads and outer threads, the structure is complex, the parts are more, the requirement on the machining precision of the parts is high, and the cost is high and the construction difficulty is high; one connection involves a large number of screw thread pairs, and due to the double-layer nut structure, 4 screw thread pairs may be connected.
In view of this, patent document CN 201821914415.x discloses a reinforcing bar connecting device of double eccentric structure, in which the eccentric adjusting function is realized by eccentric inner and outer screw nuts and eccentric sleeves, which cannot be locked after adjustment, and the strength is difficult to be ensured.
In view of this, a reinforcing bar coupler is disclosed in patent document CN 202022055035.9, and the reinforcing bar coupler of the above prior art is bulky and inconvenient to use.
In view of this, in patent document CN 202121092262.7, a reinforcement mechanical connection mechanism is disclosed, in which the eccentric adjustment is achieved by the first eccentric wire sleeve (3) and the second eccentric wire sleeve (4) provided in the prior art, and the internal thread and the external thread are provided on the first eccentric wire sleeve (3) and the second eccentric wire sleeve (4), which may cause inconvenient control during adjustment.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the steel bar connector with the double-eccentric adjusting function, which has reasonable structural design and is suitable for the radial deviation of two steel bars to be larger, and the radial deviation of the two steel bars can be covered by double-eccentric adjusting amount.
The utility model solves the problems by adopting the following technical scheme: this steel bar connector with double eccentric regulatory function, including be used for with a connecting sleeve that the reinforcing bar is connected and be used for with No. two connecting sleeve that the reinforcing bar is connected, its characterized in that: the first connecting sleeve and the second connecting sleeve are connected through a steel bar connector main body which can compensate that the distance between the axes of the first steel bar and the second steel bar is the actual eccentric amount in the connecting process;
the steel bar connector main body comprises an eccentric bolt assembly and an eccentric screw assembly, the first connecting sleeve is connected with the eccentric bolt assembly, the second connecting sleeve is connected with the eccentric screw assembly, and the eccentric bolt assembly is matched with the eccentric screw assembly;
the eccentric bolt component comprises an eccentric bolt and a connecting screw sleeve, the eccentric bolt comprises a bolt head and a bolt rod, the axes of the bolt head and the axis of the bolt rod are parallel and are arranged in a staggered way, the distance between the axis of the bolt head and the axis of the bolt rod is the eccentric amount of the bolt,
the eccentric screw assembly comprises an eccentric screw, the eccentric screw comprises a screw head and a screw rod part, the axes of the screw head and the screw rod part are parallel to each other and are arranged in a staggered way, the distance between the axis of the screw head and the axis of the screw rod part is the eccentric amount of the screw rod,
the first connecting sleeve is in threaded connection with the bolt rod portion, the second connecting sleeve is in threaded connection with the screw rod portion, the connecting screw sleeve is arranged on the bolt rod portion, and the head of the bolt is matched with the head of the screw rod through the connecting screw sleeve. The radial deviation compensation of the steel bar connector during steel bar connection can be realized through the eccentric bolt assembly and the eccentric screw assembly.
Further, the bolt eccentric amount is equal to the screw eccentric amount.
Further, the sum of the bolt eccentric amount and the screw eccentric amount is the maximum adjustment eccentric amount. The radial deviation coverage is large.
Further, the eccentric bolt assembly further comprises a first locking nut and a screw sleeve locking nut, the first locking nut and the screw sleeve locking nut are sleeved on the bolt rod portion, the first locking nut is matched with the first connecting sleeve, and the screw sleeve locking nut is matched with the connecting screw sleeve. The bolt rod part and the first connecting sleeve can be locked through the first locking nut, and the connecting screw sleeve can be locked through the screw sleeve locking nut.
Further, the eccentric screw assembly further comprises a screw adjusting nut and a second locking nut, the screw adjusting nut and the second locking nut are sleeved on the screw rod portion, the screw adjusting nut is matched with the connecting screw sleeve, and the second locking nut is matched with the second connecting sleeve. The length of the screw rod part in the second connecting sleeve can be adjusted through the screw rod adjusting nut, the screw rod head part and the connecting screw sleeve can be locked, and the second locking nut can lock the screw rod part and the second connecting sleeve.
Further, a limiting table is arranged on the head of the bolt, a limiting ring is arranged on the connecting threaded sleeve, and the limiting ring is matched with the limiting table. The limiting table is in a round table shape, a circular ring shape or a sphere shape and is used for being mutually matched with the limiting ring, the shape of the limiting table comprises but is not limited to the listed shape, the shape of the limiting ring is mutually matched with the shape of the limiting table, the purpose is that the bolt rod part can be pulled through the connecting screw sleeve, the bolt head can be pulled through the connecting screw sleeve when the connecting screw sleeve is screwed into the screw head, and the limiting ring and the limiting table which are arranged can be used for bearing tensile load.
Further, a nut section, a screwing-out section and a connecting section are arranged on the screw rod portion.
Further, in the initial state, an axial gap exists between the bolt head and the screw head, and the unscrewing section is larger than the axial gap. The length of the axial gap is compensated by the unscrewing length of the unscrewing section, and the length of the connecting section is determined by the length of the eccentric screw in the second connecting sleeve.
Further, the first connecting sleeve is in threaded connection or press connection with the first reinforcing steel bar, and the second connecting sleeve is in threaded connection or press connection with the second reinforcing steel bar. The first connecting sleeve and the second connecting sleeve can be connected with the first steel bar and the second steel bar in a buckling mode if the rear part of the first connecting sleeve and the second connecting sleeve is made into a unthreaded hole, and can be connected with a steel bar wire head if the rear part of the first connecting sleeve and the second connecting sleeve is made into an internal thread so as to realize the connection of the first connecting sleeve and the second connecting sleeve with the first steel bar and the second steel bar.
Further, the head of the bolt is positioned in the connecting screw sleeve, and the connecting screw sleeve is in threaded connection with the head of the screw rod.
Compared with the prior art, the utility model has the following advantages: 1. by using the eccentric bolt and the eccentric screw with the same eccentric adjustment amount, under the condition that the actual eccentric amount of the first steel bar and the second steel bar is smaller than the maximum eccentric adjustment amount, the rotation angle of the bolt rod part and/or the screw rod part can realize concentricity of the bolt head and the screw rod head, thereby realizing connection of the first steel bar and the second steel bar.
2. Because the bolt eccentric amount is equal to the screw eccentric amount and is the adjusting eccentric amount, the single adjusting eccentric amount can provide double of the radial deviation coverage of the reinforcing steel bar of the adjusting eccentric amount (namely the maximum adjusting eccentric amount), and the size of the connecting screw sleeve can be obviously reduced to provide larger eccentric adjustment of the reinforcing steel bar axis.
3. The bolt rod part and the screw rod part are respectively provided with a certain length which is exposed out of the first connecting sleeve and the second connecting sleeve, the exposed length is provided with a certain elastic deformation, and the bolt rod part and the screw rod part are in a non-locking state during assembly so as to fully utilize the thread gaps of the bolt rod part and the screw rod part in the first connecting sleeve and the second connecting sleeve, and an extra floating space is provided for the connecting screw sleeve to be screwed into the screw head.
4. The first connecting sleeve and the second connecting sleeve can be standard sleeves, and the steel bar connector can be matched with the standard sleeves.
Drawings
Fig. 1 is a schematic view of a connection process of a reinforcing bar coupler according to an embodiment of the present utility model 1.
Fig. 2 is a schematic view of a connection process of a reinforcing bar coupler according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a connection process of the reinforcing bar coupler according to the embodiment of the present utility model.
Fig. 4 is a schematic view of a connection process of the reinforcing bar coupler according to the embodiment of the present utility model, fig. 4.
Fig. 5 is a schematic view of a connection process of the reinforcing bar coupler according to the embodiment of the present utility model 5.
Fig. 6 is a schematic view of an eccentric adjustment state structure of a reinforcing bar coupler according to an embodiment of the present utility model 1.
Fig. 7 is a schematic view of an eccentric adjustment state structure of a reinforcing bar coupler according to an embodiment of the present utility model.
Fig. 8 is a schematic view of a structure of the eccentric adjustment state of the reinforcing bar coupler according to the embodiment of the present utility model.
Fig. 9 is a schematic view of an eccentric adjustment state structure of a reinforcing bar coupler according to an embodiment of the present utility model.
Fig. 10 is a schematic cross-sectional structure of a reinforcing bar coupler according to an embodiment of the present utility model.
Fig. 11 is a schematic perspective view of a reinforcing bar coupler according to an embodiment of the present utility model.
In the figure: eccentric bolt component 1, eccentric screw component 2, first connecting sleeve 3, second connecting sleeve 4, first reinforcing steel bar 5, second reinforcing steel bar 6,
Eccentric bolt 11, bolt head 12, bolt rod 13, connecting screw sleeve 14, first locking nut 15, screw sleeve locking nut 16, limiting table 17, limiting ring 18,
A bolt head center point 1A, a bolt rod center point 1B,
An eccentric screw 21, a screw head 22, a screw rod part 23, a screw adjusting nut 24, a second locking nut 25,
A screw head center point 2A, a screw rod center point 2B,
Nut segment L1, unscrewing segment L2, connecting segment L3, axial gap G,
Bolt eccentric amount K1, screw eccentric amount K2, adjusting eccentric amount K, maximum adjusting eccentric amount 2K, actual eccentric amount delta K.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
See fig. 1 to 11: the reinforcing bar connector with double eccentric adjustment function in this embodiment, including be used for with be connected of reinforcing bar 5 first connecting sleeve 3 and be used for with be connected of reinforcing bar 6 second connecting sleeve 4, be connected of connecting sleeve 3 and No. two connecting sleeve 4 through the compensating reinforcing bar 5 and No. two reinforcing bars 6 be actual eccentric amount ΔK's of distance that exists between its axis in the connection process reinforcing bar connector body connection, be connected of connecting sleeve 3 and No. 5 threaded connection or crimping of reinforcing bar, be connected of connecting sleeve 4 and No. two reinforcing bars 6 threaded connection or crimping. Wherein the actual eccentric amount deltak refers to the distance between the axial direction of the first steel bar 5 and the axial direction of the second steel bar 6 in parallel and in radial direction.
The reinforcing bar connector main part in this embodiment includes eccentric bolt subassembly 1 and eccentric screw rod subassembly 2, and connecting sleeve 3 and eccentric bolt subassembly 1 are connected, and connecting sleeve 4 and eccentric screw rod subassembly 2 are connected No. two, and eccentric bolt subassembly 1 cooperates with eccentric screw rod subassembly 2.
The eccentric bolt assembly 1 in the embodiment comprises an eccentric bolt 11, a connecting screw sleeve 14, a first locking nut 15 and a screw sleeve locking nut 16, wherein the eccentric bolt 11 comprises a bolt head 12 and a bolt rod 13, the axes of which are parallel to each other and are arranged in a staggered manner, and the distance between the two axes is the bolt eccentric amount K1.
The eccentric screw assembly 2 in this embodiment includes an eccentric screw 21, a screw adjusting nut 24 and a second lock nut 25, one end of the eccentric screw 21 is a screw head 22, the eccentric screw 21 includes a screw head 22 and a screw rod 23 with axes parallel to each other and arranged in a staggered manner, and the distance between the two axes is a screw eccentric amount K2.
The bolt eccentric amount K1 and the screw eccentric amount K2 in the embodiment are equal and are both the adjustment eccentric amount K, and the sum of the bolt eccentric amount K1 and the screw eccentric amount K2 is the maximum adjustment eccentric amount 2K, that is, the maximum adjustment eccentric amount 2K is equal to 2 times the adjustment eccentric amount K.
The bolt head 12 in the embodiment is provided with a limiting table 17, the connecting screw sleeve 14 is provided with a limiting ring 18, and the limiting ring 18 is matched with the limiting table 17; the middle part of the limiting ring 18 is provided with a bolt through hole, and the bolt rod part 13 penetrates through the bolt through hole; the limiting ring 18 is in contact with the limiting table 17, and the limiting table 17 can be in a round table shape, a circular ring shape or a sphere shape and is used for being mutually matched with the limiting ring 18, and after the connecting threaded sleeve 14 is screwed into the screw head 22, the limiting table 17 can be tightly pressed by the limiting ring 18 to realize firm connection.
The first connecting sleeve 3 in the embodiment is in threaded connection with the bolt rod portion 13, the first locking nut 15 and the screw sleeve locking nut 16 are sleeved on the bolt rod portion 13, the first locking nut 15 is in contact with the first connecting sleeve 3, the screw sleeve locking nut 16 is in contact with the connecting screw sleeve 14, the second connecting sleeve 4 is in threaded connection with the screw rod portion 23, the screw adjusting nut 24 and the second locking nut 25 are sleeved on the screw rod portion 23, the screw adjusting nut 24 is in contact with the connecting screw sleeve 14, the second locking nut 25 is in contact with the second connecting sleeve 4, the connecting screw sleeve 14 is arranged on the bolt rod portion 13, the bolt head 12 and the screw head 22 are matched through the connecting screw sleeve 14, namely, the bolt head 12 is arranged in the connecting screw sleeve 14, the connecting screw sleeve 14 is in threaded connection with the screw head 22, and the connecting screw sleeve 14 is coincident with the axes of the bolt head 12 and the screw head 22.
The screw rod portion 23 in this embodiment is provided with a nut section L1, a unscrewing section L2 and a connecting section L3, and an axial gap G exists between the bolt head 12 and the screw rod head 22 in an initial state, and the unscrewing section L2 is greater than the axial gap G; the nut section L1 is used for installing a screw adjusting nut 24 and a second locking nut 25 in an initial state, the unscrewing section L2 is used for compensating the length of an axial gap G, the connecting section L3 is used for connecting the second connecting sleeve 4, the length of the connecting section L3 is determined by the length of the eccentric screw 21 in the second connecting sleeve 4, and the length of the axial gap G is determined by the body of the reinforcing steel bar connector.
The "initial state" is a state in which the eccentric bolt assembly 1 is connected to the first coupling sleeve 3, and the eccentric screw assembly 2 is connected to the second coupling sleeve 4, and the reinforcing bar coupler body is not yet screwed, as shown in fig. 1.
The method for connecting the reinforcing steel bars of the reinforcing steel bar connector with the double eccentric adjustment function in the embodiment is as follows:
the first connecting sleeve 3 and the second connecting sleeve 4 are respectively connected with the first steel bar 5 and the second steel bar 6 in advance before connection, the first steel bar 5 and the second steel bar 6 are approximately aligned, and when the unscrewed section L2 is larger than the axial gap G and the actual eccentric amount delta K is smaller than the maximum adjustment eccentric amount 2K, the first connecting sleeve 3 and the second connecting sleeve 4 can be connected through the steel bar connector body.
The method for connecting the first connecting sleeve 3 and the second connecting sleeve 4 by adopting the steel bar connector main body is as follows:
(1) The first lock nut 15 is rotated so that the bolt shank 13 is in the non-locked state in the first connecting sleeve 3 (i.e., so that the bolt shank 13 is rotated in the first connecting sleeve 3 so that the length of the bolt shank 13 extending out of the first connecting sleeve 3 is adjusted), the screw adjusting nut 24 is rotated so that the screw shank 23 is screwed out of the second connecting sleeve 4 (at this time, the screw shank 23 is in the non-locked state in the second connecting sleeve 4, and the screw adjusting nut 24 is brought into contact with the screw head 22 when the screw adjusting nut 24 is rotated, as shown in fig. 1).
The eccentric screw 21 and the screw adjusting nut 24 may be integrally formed (i.e., a structure similar to the screw adjusting nut 24 is directly formed on the eccentric screw 21, or the eccentric screw 21 may be easily screwed out), or may be separately formed (i.e., the embodiment of the present application).
(2) When the bolt head center point 1A coincides with the screw head center point 2A (normally, the bolt head 12 is aligned with the screw head 22 by rotating the eccentric bolt 11 less than half a turn), the screw adjusting nut 24 is rotated until the end face of the screw head 22 approaches the end face of the bolt head 12 (as shown in fig. 2), and the screw rod portion 23 and the screw rod portion 13 are rotated so that they (the screw head 22 and the screw head 12) are aligned with each other.
(3) The connecting screw sleeve 14 is sleeved on the screw head 22 (namely, the connecting screw sleeve 14 is screwed on the screw head 22 by using 2-3 threads), the second locking nut 25 is rotated to lock the screw rod part 23 and the second connecting sleeve 4, the screw adjusting nut 24 is reversely rotated so that a distance exists between the screw adjusting nut 24 and the screw head 22, the connecting screw sleeve 14 is not interfered by the adjusting nut 24 when the connecting screw sleeve 14 is screwed, and the first locking nut 15 is rotated to lock the screw rod part 13 and the first connecting sleeve 3 (shown in fig. 3).
(4) The connecting screw sleeve 14 is completely screwed into the screw head 22 so that the limiting ring 18 is in contact with the limiting table 17, at the moment, the screw head 22 completely enters the connecting screw sleeve 14, a distance exists between the end of the screw head 22 and the end of the connecting screw sleeve 14 (shown in fig. 4), the screw sleeve locking nut 16 is rotated, the screw sleeve locking nut 16 is locked to one end of the connecting screw sleeve 14, the screw adjusting nut 24 is rotated, the screw adjusting nut 24 is locked to the other end of the connecting screw sleeve 14, and the connection is completed (shown in fig. 5); if the eccentric screw 21 and the screw adjusting nut 24 are integrally formed, when the screw head 22 is opposite to the bolt head 12, the connecting screw sleeve 14 and the screw head 22 can be tightly screwed.
Specifically, when the rib connector is used, the eccentric bolt 11 is rotated, the track of the bolt eccentric amount K1 of the eccentric bolt 11 is intersected with the track of the screw eccentric amount K2 when the eccentric bolt 11 rotates according to the eccentric principle, the intersection point exists between the central point 1A of the bolt head and the central point 2A of the screw head within a half circle of rotation, and when the central point 1A of the bolt head coincides with the central point 2A of the screw head, the connecting screw sleeve 14 can be partially screwed to the screw thread of the screw head 22 at the moment; the connecting screw sleeve 14 is normally screwed on 2-3 threads of the screw head 22, and after the eccentric bolt assembly 1 and the eccentric screw assembly 2 are respectively locked with the first connecting sleeve 3 and the second connecting sleeve 4, the connecting screw sleeve 14 is further completely screwed on the threads of the screw head 22 and is screwed down.
As shown in fig. 6, the eccentricity adjustment state 1: the bolt head center point 1A and the screw head center point 2A are on the same axis, and meanwhile, the bolt rod center point 1B and the screw rod center point 2B are also on the same axis, and the actual eccentric amount delta K is zero.
As shown in fig. 7, the eccentricity adjustment state 2: the bolt shank 13 or the screw shank 23 is rotated about 1/6 turn so that the bolt head center point 1A and the screw head center point 2A are on the same axis, and the actual eccentric amount Δk is the adjustment eccentric amount K of 1 time.
As shown in fig. 8, the eccentricity adjustment state 3: the bolt shank 13 or the screw shank 23 is rotated about 1/3 turn so that the bolt head center point 1A and the screw head center point 2A are on the same axis, and the actual eccentric amount Δk is the adjustment eccentric amount K of 1.732 times.
As shown in fig. 9, the eccentricity adjustment state 4: at this time, the bolt head center point 1A and the screw head center point 2A are located on the same axis, and the actual eccentric amount Δk is 2 times the adjustment eccentric amount K, that is, at this time, the actual eccentric amount Δk is the maximum adjustment eccentric amount 2K.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model.
Claims (10)
1. The utility model provides a reinforcing bar connector with double eccentric regulatory function, is including being used for with a connecting sleeve (3) that reinforcing bar (5) are connected and be used for with No. two connecting sleeve (4) that reinforcing bar (6) are connected, its characterized in that: the first connecting sleeve (3) and the second connecting sleeve (4) are connected through a steel bar connector main body which can compensate that the distance between the axes of the first steel bar (5) and the second steel bar (6) in the connecting process is the actual eccentric quantity (delta K);
the steel bar connector main body comprises an eccentric bolt assembly (1) and an eccentric screw assembly (2), wherein the first connecting sleeve (3) is connected with the eccentric bolt assembly (1), the second connecting sleeve (4) is connected with the eccentric screw assembly (2), and the eccentric bolt assembly (1) is matched with the eccentric screw assembly (2);
the eccentric bolt assembly (1) comprises an eccentric bolt (11) and a connecting screw sleeve (14), the eccentric bolt (11) comprises a bolt head (12) and a bolt rod (13) with axes parallel to each other and arranged in a staggered mode, the distance between the axis of the bolt head (12) and the axis of the bolt rod (13) is the bolt eccentric amount (K1),
the eccentric screw assembly (2) comprises an eccentric screw (21), the eccentric screw (21) comprises screw heads (22) and screw rods (23) with axes parallel to each other and arranged in a staggered mode, the distance between the axes of the screw heads (22) and the axes of the screw rods (23) is screw eccentric quantity (K2),
the first connecting sleeve (3) is in threaded connection with the bolt rod portion (13), the second connecting sleeve (4) is in threaded connection with the screw rod portion (23), the connecting screw sleeve (14) is arranged on the bolt rod portion (13), and the bolt head (12) and the screw head (22) are matched through the connecting screw sleeve (14).
2. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the bolt eccentric amount (K1) is equal to the screw eccentric amount (K2).
3. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the sum of the eccentric amount (K1) of the bolt and the eccentric amount (K2) of the screw is the maximum adjusting eccentric amount (2K).
4. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the eccentric bolt assembly (1) further comprises a first locking nut (15) and a screw sleeve locking nut (16), the first locking nut (15) and the screw sleeve locking nut (16) are sleeved on the bolt rod portion (13), the first locking nut (15) is matched with the first connecting sleeve (3), and the screw sleeve locking nut (16) is matched with the connecting screw sleeve (14).
5. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the eccentric screw assembly (2) further comprises a screw adjusting nut (24) and a second locking nut (25), the screw adjusting nut (24) and the second locking nut (25) are sleeved on the screw rod portion (23), the screw adjusting nut (24) is matched with the connecting screw sleeve (14), and the second locking nut (25) is matched with the second connecting sleeve (4).
6. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the bolt head (12) is provided with a limiting table (17), the connecting screw sleeve (14) is provided with a limiting ring (18), and the limiting ring (18) is matched with the limiting table (17).
7. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the screw rod part (23) is provided with a nut section (L1), a screwing-out section (L2) and a connecting section (L3).
8. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 7, wherein: in the initial state, an axial gap (G) is present between the screw head (12) and the screw head (22), and the unscrewing section (L2) > the axial gap (G).
9. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the first connecting sleeve (3) is in threaded connection or press connection with the first reinforcing steel bar (5), and the second connecting sleeve (4) is in threaded connection or press connection with the second reinforcing steel bar (6).
10. The reinforcing bar coupler with double eccentric adjustment function as set forth in claim 1, wherein: the bolt head (12) is positioned in the connecting screw sleeve (14), and the connecting screw sleeve (14) is in threaded connection with the screw head (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239797.8U CN220686511U (en) | 2023-08-18 | 2023-08-18 | Reinforcing bar connector with double eccentric adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239797.8U CN220686511U (en) | 2023-08-18 | 2023-08-18 | Reinforcing bar connector with double eccentric adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220686511U true CN220686511U (en) | 2024-03-29 |
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ID=90373065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322239797.8U Active CN220686511U (en) | 2023-08-18 | 2023-08-18 | Reinforcing bar connector with double eccentric adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220686511U (en) |
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2023
- 2023-08-18 CN CN202322239797.8U patent/CN220686511U/en active Active
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