Connecting structure of grouting sleeve and reinforcing steel bar

Abstract

The utility model discloses a connecting structure of a grouting sleeve and a reinforcing steel bar, belongs to the technical field of grouting sleeves, and solves the problems that the sizes of a movable clamping block and a fixed clamping block of an existing device are fixed, the length of the reinforcing steel bar extending into the grouting sleeve is inconvenient to adjust, different splicing requirements cannot be met, and the practicability is low. Comprising a grouting sleeve and a reinforcing steel bar, a first thread is arranged at the front end of the inner wall of the grouting sleeve, a first convex rib is arranged on the outer surface of the reinforcing steel bar, the grouting sleeve and the reinforcing steel bar are connected through a connecting structure, and the reinforcing steel bar can be clamped and fixed by making contact with the surface of the reinforcing steel bar through a sliding block; and the threaded rod can be rotated, then fixation of the sliding block to the reinforcing steel bar is relieved, the length of the reinforcing steel bar is adjusted, the purpose of conveniently adjusting the length of the reinforcing steel bar extending into the grouting sleeve is achieved, different splicing requirements can be met, the application range is wide, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting sleeves, in particular to a connection structure of a grouting sleeve and a steel bar. Background Art

[0002] The grouting sleeve is a combination of a specially processed sleeve, matching grouting materials and steel bars. The steel bars are inserted into both ends of the grouting sleeve, one end is connected by threads, and the other end is connected by grouting process, so as to achieve the connection between the two steel bars.

[0003] After searching, the application with patent number 201720031130.0 discloses a connection structure between a grouting sleeve and a steel bar, comprising a grouting sleeve and a steel bar, characterized in that: the grouting sleeve and the steel bar are connected via a connection structure, the connection structure comprising a movable clamping block clamped on the outer periphery of the steel bar end and a fixed clamping block threadedly connected to the end of the grouting sleeve, the movable clamping block and the fixed clamping block being connected to each other;

[0004] Although the connection structure of the grouting sleeve and the steel bar can connect the steel bar to the grouting sleeve through the setting of the movable clamping block and the fixed clamping block, without the need for additional thread processing on the steel bar, thereby reducing the difficulty of manufacturing the steel bar, the movable clamping block and the fixed clamping block of the connection structure of the grouting sleeve and the steel bar are fixed in size, which is not convenient for adjusting the length of the steel bar extending into the grouting sleeve, cannot adapt to different splicing requirements, and has low practicality.

[0005] Therefore, we proposed a connection structure of grouting sleeve and steel bar. Utility Model Content

[0006] In response to the shortcomings of the existing technology, the utility model provides a connection structure between a grouting sleeve and a steel bar, which solves the problems that the movable clamping block and the fixed clamping block of the existing device are fixed in size, it is inconvenient to adjust the length of the steel bar extending into the grouting sleeve, it cannot adapt to different splicing requirements, and the practicality is low.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a connection structure of a grouting sleeve and a steel bar, comprising a grouting sleeve and a steel bar, wherein the front end of the inner wall of the grouting sleeve is provided with a first thread, and the outer surface of the steel bar is provided with a first convex rib;

[0008] The grouting sleeve and the steel bar are connected via a connecting structure;

[0009] The connecting structure comprises a connecting block, a connecting pipe, a second thread, a connecting hole, a sliding groove, a threaded hole, a sliding block, a second convex rib, a threaded rod, a hand wheel and an elastic sealing ring, the connecting block is rectangular in cross section, a connecting hole is formed in the middle of the front side of the connecting block, a connecting pipe is fixedly installed in the middle of the rear side of the connecting block and communicates with the connecting hole, the connecting pipe is connected to the inside of the grouting sleeve, symmetrically distributed sliding grooves which are rectangular in cross section are formed in the left and right sides of the inner wall of the connecting hole, a sliding block is slidably sleeved in the sliding groove, the profile of the sliding block is the same as that of the sliding groove, threaded holes are formed in the middle of the left and right side walls of the connecting block, a threaded rod is rotatably installed on the side of the sliding block close to the threaded hole through a bearing ring, and the threaded rod is threadedly sleeved in the threaded hole, and one end of the reinforcing steel bar extends to the inside of the grouting sleeve through the connecting hole and the connecting pipe in sequence.

[0010] Preferably, the inner diameter of the connecting pipe is the same as the diameters of the connecting hole and the reinforcing steel bar, the outer surface of the connecting pipe of the connecting hole is provided with a second thread matched with the first thread, and the connecting pipe is threadedly sleeved in the front end of the grouting sleeve, wherein the second thread and the first thread are arranged to facilitate the threaded sleeving of the connecting pipe in the inside of the grouting sleeve.

[0011] Preferably, the side of the sliding block close to the middle of the connecting block is fixedly installed with a second convex rib matched with the first convex rib, and the second convex rib and the sliding block are an integral forming structure, wherein the second convex rib can cooperate with the first convex rib to limit the relative position of the reinforcing steel bar and the sliding block.

[0012] Preferably, the end of the threaded rod away from the sliding block extends to the outside of the threaded hole and is fixedly installed with a hand wheel, wherein the hand wheel facilitates the rotation of the threaded rod.

[0013] Preferably, the front side in the inside of the connecting hole is fixedly sleeved with an elastic sealing ring, wherein the elastic sealing ring can increase the gap between the connecting block and the reinforcing steel bar, thereby avoiding the situation that grout flows out of the threaded hole during grouting.

[0014] The utility model provides a kind of connecting structure of grouting sleeve and reinforcing steel bar.It has the following beneficial effects:

[0015] 1. The grouting sleeve and steel bar connecting structure, by the end of the steel bar is sequentially from the connecting hole and the connecting pipe and extends to the inside of the grouting sleeve, when the steel bar is adjusted to the appropriate length, the threaded rod can be rotated, and then the sliding block is slid in the sliding groove until the sliding block is in contact with the surface of the steel bar, and the steel bar can be clamped and fixed, when the length of the steel bar extending into the grouting sleeve needs to be adjusted, the threaded rod can be rotated, and then the fixation of the sliding block to the steel bar is released, and then the length of the steel bar is adjusted, so that the length of the steel bar extending into the grouting sleeve is conveniently adjusted, different splicing requirements can be met, the application range is wide, and the practicability is high, and the problems of the fixed size of the movable clamp block and the fixed clamp block of the existing device, the inconvenience of adjusting the length of the steel bar extending into the grouting sleeve, and the low practicability are solved;

[0016] 2. The grouting sleeve and steel bar connecting structure, the second protruding rib can cooperate with the first protruding rib, and then the relative position of the steel bar and the sliding block can be limited, so that the stability of the sliding block limiting the steel bar is improved, the hand wheel can conveniently drive the threaded rod to rotate, and the elastic sealing ring can increase the gap between the connecting block and the steel bar in the connecting hole, so that the situation that grout flows out of the threaded hole during grouting is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model;

[0018] Figure 2 It is a structure schematic view of the utility model after splitting;

[0019] Figure 3 It is a connecting structure schematic view of the utility model;

[0020] Figure 4 It is a structure schematic view of the connecting structure of the utility model after splitting.

[0021] In the drawing: 1, grouting sleeve; 11, first thread; 2, steel bar; 21, first protruding rib; 3, connecting structure; 31, connecting block; 32, connecting pipe; 33, second thread; 34, connecting hole; 35, sliding groove; 36, threaded hole; 37, sliding block; 38, second protruding rib; 39, threaded rod; 310, hand wheel; 311, elastic sealing ring. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] As shown in Figures 1-4 : including grouting sleeve 1 and steel bar 2, the front end of the inner wall of grouting sleeve 1 is provided with first thread 11, the outer surface of steel bar 2 is provided with first convex rib 21, grouting sleeve 1 and steel bar 2 are connected through connecting structure 3, connecting structure 3 includes connecting block 31, connecting pipe 32, second thread 33, connecting hole 34, sliding groove 35, threaded hole 36, sliding block 37, second convex rib 38, threaded rod 39, hand wheel 310 and elastic sealing ring 311, the section of connecting block 31 is rectangular, the middle part of the front side of connecting block 31 is provided with connecting hole 34, the middle part of the rear side of connecting block 31 is fixedly installed with connecting pipe 32 which is in communication with connecting hole 34, connecting pipe 32 is connected in the inside of grouting sleeve 1, the left and right sides of the inner wall of connecting hole 34 are provided with symmetrically distributed sliding grooves 35 which are rectangular in section, sliding block 37 is slidably sleeved in the inside of sliding groove 35, the profile of sliding block 37 is the same as that of sliding groove 35, the middle part of the left and right side walls of connecting block 31 is provided with threaded hole 36, threaded rod 39 is rotatably installed on the side of sliding block 37 close to threaded hole 36 through bearing ring, threaded rod 39 is threadedly sleeved in the inside of threaded hole 36, one end of steel bar 2 passes through connecting hole 34 and connecting pipe 32 in sequence and extends to the inside of grouting sleeve 1, the inner diameter of connecting pipe 32 is the same as the diameters of connecting hole 34 and steel bar 2, the outer surface of connecting pipe 32 of connecting hole 34 is provided with second thread 33 which matches with first thread 11, connecting pipe 32 is threadedly sleeved at the front end of grouting sleeve 1, by passing one end of steel bar 2 from connecting hole 34 and connecting pipe 32 in sequence and extending to the inside of grouting sleeve 1, when steel bar 2 is adjusted to appropriate length, threaded rod 39 can be rotated, then sliding block 37 is driven to slide in sliding groove 35, until sliding block 37 contacts with the surface of steel bar 2, steel bar 2 can be clamped and fixed, when it is needed to adjust the length of steel bar 2 extending into the inside of grouting sleeve 1, threaded rod 39 can be rotated, then the fixation of steel bar 2 by sliding block 37 is released, then the length of steel bar 2 is adjusted, the purpose of facilitating the adjustment of the length of steel bar 2 extending into the inside of grouting sleeve 1 is achieved, it is beneficial to adapt to different splicing requirements, the application range is wide, and the practicality is high;

[0025] Embodiment 2:

[0026] As shown in Figures 1-4The second convex rib 38 is integrally formed with the sliding block 37, one end of the threaded rod 39 extends to the outside of the threaded hole 36 away from the sliding block 37 and is fixedly installed with a hand wheel 310, the front side inside the connecting hole 34 is fixedly sleeved with an elastic sealing ring 311, the second convex rib 38 can be matched with the first convex rib 21, thereby the relative position of the reinforcing steel bars 2 and the sliding block 37 can be limited, the stability of the sliding block 37 limiting the reinforcing steel bars 2 is improved, the threaded rod 39 is conveniently driven to rotate through the hand wheel 310, and the elastic sealing ring 311 can increase the gap between the connecting block 31 and the reinforcing steel bars 2 in the connecting hole 34, thereby avoiding the situation that grout flows out of the threaded hole 36 during grouting.

[0027] The working principle and use process of the utility model are as follows: the connecting structure of the grouting sleeve and the reinforcing steel bars, when in use, through the setting of the first screw thread 11 and the second screw thread 33, the connecting pipe 32 is first threadedly sleeved on the front side of the grouting sleeve 1, one end of a reinforcing steel bar 2 is sequentially threaded through the connecting hole 34 and the connecting pipe 32 and extends to the inside of the grouting sleeve 1, when the reinforcing steel bar 2 is adjusted to a proper length, the threaded rod 39 can be driven to rotate through the hand wheel 310, thereby driving the sliding block 37 to slide in the sliding groove 35, until the sliding block 37 is in contact with the surface of the reinforcing steel bar 2, the reinforcing steel bar 2 can be clamped and fixed, through the setting of the second convex rib 38 and the first convex rib 21 matched with each other, the relative position of the reinforcing steel bar 2 and the sliding block 37 can be limited, then the other reinforcing steel bar 2 is inserted into the inside of the grouting sleeve 1 from the other end of the grouting sleeve 1, and then grouting work is carried out, the grouting sleeve 1 and the two reinforcing steel bars 2 can be connected together.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A connection structure of a grouting sleeve and a steel bar, comprising a grouting sleeve (1) and a steel bar (2), wherein the front end of the inner wall of the grouting sleeve (1) is provided with a first thread (11), and the outer surface of the steel bar (2) is provided with a first convex rib (21); Its characteristics are: The grouting sleeve (1) and the steel bar (2) are connected via a connecting structure (3); The connection structure (3) comprises a connection block (31), a connection pipe (32), a second thread (33), a connection hole (34), a slide groove (35), a threaded hole (36), a slider (37), a second rib (38), a threaded rod (39), a hand wheel (310) and an elastic sealing ring (311). The cross section of the connection block (31) is rectangular. The middle part of the front side of the connection block (31) is provided with a connection hole (34). The middle part of the rear side of the connection block (31) is fixedly installed with a connection pipe (32) connected to the connection hole (34). The connection pipe (32) is connected to the inside of the grouting sleeve (1). The connection hole ( A symmetrically distributed slide groove (35) with a rectangular cross section is provided on the left and right sides of the inner wall of 34. A slider (37) is provided inside the slide groove (35). The profile of the slider (37) is the same as that of the slide groove (35). A threaded hole (36) is provided in the middle of the left and right side walls of the connecting block (31). A threaded rod (39) is rotatably installed on the side of the slider (37) close to the threaded hole (36) through a bearing ring. The threaded rod (39) is threadedly fitted inside the threaded hole (36). One end of the steel bar (2) passes through the connecting hole (34) and the connecting pipe (32) in sequence and extends to the inside of the grouting sleeve (1).

2. The connection structure of a grouting sleeve and a steel bar according to claim 1, characterized in that: The inner diameter of the connecting pipe (32) is the same as the diameter of the connecting hole (34) and the steel bar (2); the outer surface of the connecting pipe (32) of the connecting hole (34) is provided with a second thread (33) matching the first thread (11); the connecting pipe (32) is threadedly mounted on the front end of the grouting sleeve (1).

3. The connection structure of a grouting sleeve and a steel bar according to claim 1, characterized in that: A second rib (38) matching the first rib (21) is fixedly mounted on one side of the slider (37) close to the middle of the connecting block (31); the second rib (38) and the slider (37) are an integrally formed structure.

4. The connection structure of a grouting sleeve and a steel bar according to claim 1, characterized in that: One end of the threaded rod (39) away from the slider (37) extends to the outside of the threaded hole (36) and is fixedly mounted with a hand wheel (310).

5. The connection structure of a grouting sleeve and a steel bar according to claim 1, characterized in that: An elastic sealing ring (311) is fixedly mounted on the front side of the connection hole (34).

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