Hoop for fixing pipeline

Abstract

The utility model belongs to the technical field of hoops, and particularly relates to a hoop for fixing a pipeline, which comprises a fixing part, two clamping parts, a plurality of elastic clamping pieces and a locking piece, a first arc-shaped groove matched with a pipeline end ring body is formed in the side wall of one side of the fixing part. One ends of the two clamping parts are rotatably connected to the two ends of the fixed part respectively, second arc-shaped grooves matched with the pipeline end ring bodies are formed in the opposite side walls of the two clamping parts, the first arc-shaped groove and the two second arc-shaped grooves form a clamping space, and the diameter of the clamping space is reduced along with the opposite movement of the movable ends of the two clamping parts; the multiple elastic clamping pieces are arranged in the first arc-shaped groove and the two second arc-shaped grooves correspondingly, and the elastic clamping pieces make contact with the outer wall of the pipeline end ring body. And the locking piece can lock the movable ends of the two clamping parts together.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hoop, especially relates to a pipe fixing hoop. BACKGROUND

[0002] The hoop is a kind of component for fastening and connection, it is mainly fixed by one structure to hold or hoop another structure to realize fixed effect, and the hoop is the commonly used accessory of pipe fixing;The existing hoop is mostly connected two pipes by two semicircular structures, and two semicircular structures are usually provided with two connecting points at two ends, and two connecting points are fastened respectively when installing pipe, and it is difficult to guarantee that the fastening force of two connecting points is same or close, when fluid pressure changes in pipe, the force uneven situation of each position on the hoop occurs, leading to that the connecting point of one side loosens or is destroyed, and then the fastening of the whole hoop to pipe is influenced, so the existing pipe connecting hoop needs to be improved. CONTENT OF UTILITY MODEL

[0003] The utility model aims at the above-mentioned technical problem, provides a kind of pipe fixing hoop, this kind of hoop can extrude the end of two pipes towards each other when fixing two pipes, and the contact area of hoop and pipe end ring body is large, so that the overall strength of the hoop is higher after connecting pipe.

[0004] Therefore, the utility model provides a kind of pipe fixing hoop, comprising:

[0005] Fixed part, the side wall of fixed part is provided with the first arc slot of adapting pipe end ring body;

[0006] Two clamping parts, one end of two clamping parts is rotatably connected at the two ends of fixed part, and the opposite side wall of two clamping parts is provided with the second arc slot of adapting pipe end ring body, the first arc slot and two second arc slots form clamping space, and the diameter of clamping space reduces with the movement of the movable end of two clamping parts;

[0007] Multiple elastic clamping pieces, multiple elastic clamping pieces are respectively arranged in the first arc slot and two second arc slots, and elastic clamping piece contacts with the outer wall of pipe end ring body;

[0008] Locking piece, locking piece can lock the movable end of two clamping parts together;

[0009] Wherein, the first arc slot and two second arc slots are provided with contact inclined plane on two side walls in the length direction of pipe, and two groups of contact inclined planes respectively contact with the back surface of two pipe end ring bodies.

[0010] The end of the pipeline is provided with a ring body, when two pipelines need to be connected, the locking of the locking member is released, the movable ends of the two clamping portions are opened in the direction away from each other, the connecting ends of the two pipelines can be placed into the clamping space, then the ring bodies at the ends of the two pipelines are placed into the first arc-shaped grooves in a relative manner, the outer wall of the ring body is in contact with the elastic clamping members in the first arc-shaped grooves, the back surface of the ring body is released from the two sets of contact inclined surfaces at the first arc-shaped grooves, then the movable ends of the two clamping portions are closed in the direction close to each other, the diameter of the clamping space is reduced in the process, then the movable ends of the two clamping portions are locked by the locking member, finally, the elastic clamping members are tightly abutted against the outer wall of the ring body, the two sets of contact inclined surfaces extrude the two ring bodies in the direction close to each other, and the fixing of the two pipelines is completed.

[0011] In the technical scheme, the two ends of the fixing portion are provided with the first installation grooves, the hinge pins are arranged in the first installation grooves, and the connecting end of the clamping portion is provided with the first installation hole through which the hinge pin passes.

[0012] In the technical scheme, further, one end of the elastic clamping member in the second arc-shaped groove is rotationally connected to the fixing portion with the same axis as the clamping portion, the other end of the elastic clamping member is a movable end, and the movable ends of the two elastic clamping members can be pressed inwards by the movable ends of the two clamping portions.

[0013] In the technical scheme, further, the locking member comprises a bolt, the movable end of one clamping portion is provided with a threaded hole matched with the threaded end of the bolt, the movable end of the other clamping portion is provided with a connecting through hole, the fixed end of the bolt cannot pass through the connecting through hole, and the diameter of the connecting through hole is greater than the diameter of the threaded end of the bolt.

[0014] In the technical scheme, further, the diameter of the connecting through hole is only greater than the diameter of the threaded end of the bolt in the radial direction of the pipeline.

[0015] In the technical scheme, further, the movable end of the elastic clamping member extends to the movable end of the clamping portion, the movable end of the elastic clamping member is provided with a through hole through which the threaded end of the bolt passes, and the threaded end of the bolt can pass through the through hole.

[0016] In the technical scheme, further, the connecting end of the clamping portion is provided with a second installation groove communicating with the second arc-shaped groove, the second installation groove communicates with the first installation hole, and the connecting end of the elastic clamping member is provided with a second installation hole through which the hinge pin passes.

[0017] In the technical scheme, further, after the hoop fixes the pipeline, the inner side surfaces of the fixing portion and the two clamping portions are not in contact with the outer wall of the pipeline.

[0018] The utility model discloses the beneficial effect is:

[0019] 1. By the cooperation of the fixing part, the two clamping parts, the plurality of elastic clamping pieces and the locking piece, the whole clamp only sets one connection point, the fastening force on the pipeline is better controlled, in addition, the arc-shaped grooves matched with the ring bodies at the ends of the pipelines are arranged on the fixing part and the clamping part, the contact inclined surfaces are arranged on the two side walls of the arc-shaped grooves in the length direction of the pipeline, so that after the two pipelines are fixed, the two groups of contact inclined surfaces can extrude the two ring bodies towards each other, and the plurality of elastic clamping pieces are arranged in the arc-shaped grooves respectively, so that after the two pipelines are fixed, the elastic clamping pieces can contact the outer walls of the two ring bodies, the contact area between the clamp and the ring bodies at the ends of the pipelines is increased, and the overall strength of the clamp after connecting the pipelines is higher.

[0020] 2. By designing the elastic clamping piece to be rotatably connected to the fixing part at one end and the clamping part at the same axis, and the other end being a movable end, so that the elastic clamping piece can move relative to the clamping part, and when the elastic clamping piece is replaced, the corresponding clamping part does not need to be replaced, in addition, during the process of fixing the two pipelines by the clamp, the elastic clamping piece can first contact the outer wall of the ring body, and then the movable ends of the two elastic clamping pieces are pressed inward through the movement of the movable ends of the two clamping parts towards each other, so that the elastic clamping piece can be in close contact with the outer wall of the ring body, thereby ensuring the fixing effect on the two pipelines. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the clamp of the present application fixing two pipelines.

[0023] Figure 2 It is a structure schematic diagram of the pipeline in the present application.

[0024] Figure 3 It is an axial cross-sectional structure schematic diagram of the clamp of the present application fixing two pipelines.

[0025] Figure 4 It is Figure 3 It is a local enlarged structure schematic diagram of position A in the present application.

[0026] Figure 5 It is a three-dimensional structure schematic diagram of the clamp of the present application in a fixed state.

[0027] Figure 6 It is a three-dimensional structure schematic diagram of the clamp of the present application in an open state.

[0028] Figure 7 It is the radial section structure schematic view of the hoop fixed state of the utility model.

[0029] Figure 8 It is the three-dimensional structure schematic view of the clamping part in the utility model.

[0030] Figure 9 It is the three-dimensional structure schematic view of the elastic clamping piece in the utility model.

[0031] The marks in the drawing are:

[0032] 1, fixed part; 101, first arc-shaped groove; 2, clamping part; 201, second arc-shaped groove; 3, elastic clamping piece; 4, locking piece; 401, bolt; 402, threaded hole; 403, connecting through hole; 404, via hole; 5, contact inclined surface; 6, hinge pin; 701, first installation groove; 702, first mounting hole; 703, second installation groove; 704, second mounting hole; 100, pipeline; 200, ring body; 300, sealing ring; DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] In the description of the utility model, it should be explained that the terms used here are only for describing the specific embodiments, not intended to limit the example embodiments according to the application. In order to facilitate the description, the size of each part shown in the drawing is not drawn according to the actual proportion relationship. The technology, method and equipment known to the person skilled in the related field can not be discussed in detail, but under appropriate circumstances, the technology, method and equipment should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as only exemplary, not as a limitation. Therefore, other examples of example embodiments can have different values. It should be noted that similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0035] Figure 1 The schematic view of the hoop fixing two pipelines 100 in the utility model is shown, please refer to Figure 2The pipe 100 has a ring 200 at its end, which can be a flange connected to the end of the pipe 100. Figure 3 The pipe 100 shown has two rings 200 spaced apart at its end. One ring 200 connects to the inner side of the clamp, and the other ring 200 is located on the outer side of the clamp and can contact the outer wall of the clamp. The necessary component of the pipe 100 is the ring 200 connected to the inner side of the clamp. (See also...) Figure 4 A sealing ring 300 is added between the ends of the two pipes 100 to ensure the sealing of the connection between the two pipes 100.

[0036] The following embodiments illustrate the detailed structure of the clamp.

[0037] Example 1

[0038] like Figures 5-8 As shown, this embodiment provides a clamp for fixing a pipe 100, including: a fixing part 1, two clamping parts 2, multiple elastic clamping parts 3, and a locking part 4;

[0039] Please see Figure 5 The fixing part 1 has a first arc-shaped groove 101 on one side wall that adapts to the end ring 200 of the pipe 100. Both ends of the fixing part 1 have first mounting grooves 701. The outer wall of the fixing part 1 has a mounting through hole that connects to the first mounting grooves 701. The mounting through hole penetrates the two outer walls of the fixing part 1 in the axial direction. A hinge pin 6 is provided in the mounting through hole and passes through the first mounting groove 701. Specifically, the hinge pin 6 is fixed in the mounting through hole by riveting or pressing, so that the hinge pin 6 cannot move axially in the mounting through hole.

[0040] Both clamping parts 2 have a connecting end and a movable end, please refer to Figure 5 and Figure 6 One end of each of the two clamping parts 2 is rotatably connected to both ends of the fixed part 1. Specifically, the connecting end of the clamping part 2 is provided with a first mounting hole 702 for the hinge pin 6 to pass through. The connecting end of the clamping part 2 extends into the first mounting groove 701 and is sleeved on the hinge pin 6 through the first mounting hole 702. The swing angle of the clamping part 2 relative to the fixed part 1 in the first mounting groove 701 is generally set between 60° and 90°.

[0041] Each of the two clamping parts 2 has a second arc-shaped groove 201 on its opposite sidewalls that is adapted to the end ring 200 of the pipe 100. The first arc-shaped groove 101 and the two second arc-shaped grooves 201 form a clamping space. The diameter of the clamping space decreases as the movable ends of the two clamping parts 2 move toward each other, and the diameter of the clamping space increases as the movable ends of the two clamping parts 2 move away from each other.

[0042] The elastic clamping pieces 3 are made of elastic material, and a plurality of elastic clamping pieces 3 are arranged in the first arc-shaped groove 101 and the two second arc-shaped grooves 201 respectively, and the elastic clamping pieces 3 are in contact with the outer wall of the end ring 200 of the pipeline 100;

[0043] Specifically, in the first arc-shaped groove 101, the length of the elastic clamping piece 3 can be equal to the length of the first arc-shaped groove 101, or can be less than the length of the first arc-shaped groove 101. When the length of the elastic clamping piece 3 is less than the length of the first arc-shaped groove 101, there can be multiple elastic clamping pieces 3 in the first arc-shaped groove 101. The elastic clamping piece 3 can be fixed in the first arc-shaped groove 101 by adhesion or fastening with fasteners;

[0044] In the second arc-shaped groove 201, the length of the elastic clamping piece 3 can be equal to the length of the second arc-shaped groove 201, or can be less than the length of the second arc-shaped groove 201. When the length of the elastic clamping piece 3 is less than the length of the second arc-shaped groove 201, there can be multiple elastic clamping pieces 3 in the second arc-shaped groove 201. The elastic clamping piece 3 can be fixed in the second arc-shaped groove 201 by adhesion or fastening with fasteners;

[0045] Please refer to Figure 1 , the locking piece 4 can lock the movable ends of the two clamping parts 2 together, and can also unlock the movable ends of the two clamping parts 2;

[0046] Specifically, please refer to Figure 5 , the locking piece 4 includes a bolt 401, please refer to Figure 6 , the movable end of one clamping part 2 is provided with a threaded hole 402 matched with the threaded end of the bolt 401, and the movable end of the other clamping part 2 is provided with a connecting through hole 403, the fixed end of the bolt 401 cannot pass through the connecting through hole 403, please refer to Figure 5 , when it is necessary to lock the movable ends of the two clamping parts 2, the threaded end of the bolt 401 is passed through the connecting through hole 403 and threadedly matched with the threaded hole 402, thus the locking of the movable ends of the two clamping parts 2 is completed;

[0047] It should be noted that when the threaded end of the bolt 401 is threadedly matched with the threaded hole 402, the movable ends of the two clamping parts 2 will also move towards each other as being locked, at this time, the moving track of one clamping part 2 relative to the other clamping part 2 is an arc, therefore, the diameter of the connecting through hole 403 also needs to be greater than the diameter of the threaded end of the bolt 401, so that the bolt 401 can be self-adaptively adjusted; as a preferred, the diameter of the connecting through hole 403 is only greater than the diameter of the threaded end of the bolt 401 in the radial direction of the pipeline 100, so that the bolt 401 will not be displaced in the length direction of the pipeline 100 during the locking process, thus the fixing effect of the clamp on the two pipelines 100 is ensured;

[0048] Please refer to Figure 7, the first arc-shaped groove 101 and the two second arc-shaped grooves 201 are provided with contact inclined surfaces 5 on the two side walls in the length direction of the pipeline 100, the contact inclined surfaces 5 gradually increase in diameter along the direction close to the elastic clamping piece 3 in the axial direction of the corresponding arc-shaped groove, please refer to Figure 4 After the two pipelines 100 are fixed by the hoop, the two contact inclined surfaces 5 respectively contact the back surface of the ring body 200 on the upper end of the two pipelines 100, in the embodiment, the back surface of the ring body 200 is provided with an inclined surface matched with the contact inclined surface 5, so that the contact area between the contact inclined surface 5 and the back surface of the ring body 200 is increased; of course, the back surface of the ring body 200 can also not be provided with an inclined surface, at this time, the contact area between the contact inclined surface 5 and the back surface of the ring body 200 is small, but the two ring bodies 200 can also be pressed in the direction close to each other;

[0049] In the embodiment, after the two pipelines 100 are fixed, the two groups of contact inclined surfaces 5 can press the two ring bodies 200 in the direction close to each other, and the plurality of elastic clamping pieces 3 are respectively arranged in the arc-shaped grooves, after the two pipelines 100 are fixed, the elastic clamping pieces 3 can contact the outer wall of the two ring bodies 200, the contact area between the hoop and the ring body 200 on the end of the pipeline 100 is increased, so that the overall strength of the hoop after connecting the pipeline 100 is higher.

[0050] Embodiment 2

[0051] In the embodiment, the structure of the elastic clamping piece 3 in the second arc-shaped groove 201 is further optimized based on the embodiment 1.

[0052] In the embodiment, the elastic clamping piece 3 in the second arc-shaped groove 201 is only one, one end of the elastic clamping piece 3 is rotatably connected to the fixed part 1 with the same axis as the clamping part 2, the other end of the elastic clamping piece 3 is a movable end, and the movable ends of the two elastic clamping pieces 3 can be pressed inward by the movable ends of the two clamping parts 2.

[0053] Please refer to Figure 8 The middle part of the connecting end of the clamping part 2 is provided with a second installation groove 703 communicating with the second arc-shaped groove 201, and the second installation groove 703 communicates with the first installation hole 702, please refer to Figure 9 The connecting end of the elastic clamping piece 3 is provided with a second installation hole 704 through which the hinge pin 6 passes, and the diameter of the second installation hole 704 is smaller than the diameter of the first installation hole 702; in the embodiment, the diameter of the hinge pin 6 is matched with the diameter of the second installation hole 704, during installation, a pin sleeve with an inner diameter matched with the diameter of the hinge pin 6 can be installed in the first installation hole 702, so that the elastic clamping piece 3 and the clamping part 2 are simultaneously sleeved on the hinge pin 6, specifically, two pin sleeves can be installed at the two ends of the first installation hole 702, and the pin sleeves do not extend into the second installation groove 703, so as to avoid affecting the installation of the elastic clamping piece 3.

[0054] Please refer toFigure 6 The elastic clamping pieces 3 can be movable relative to the clamping portions 2, and in the process of fixing the two pipes 100 by the hoop, the elastic clamping pieces 3 can first contact the outer wall of the ring body 200, and then the movable ends of the two elastic clamping pieces 3 are pressed inwardly through the opposite movement of the movable ends of the two clamping portions 2.

[0055] It should be noted that the movable ends of the elastic clamping pieces 3 in the embodiment do not extend to the movable ends of the clamping portions 2, that is, there is no through hole 404 as shown in the embodiment. Figure 6

[0056] Embodiment 3

[0057] The structure of the elastic clamping pieces 3 is further optimized based on the embodiment 2.

[0058] In the embodiment, please refer to Figure 6 The movable ends of the elastic clamping pieces 3 extend to the movable ends of the clamping portions 2, the movable ends of the elastic clamping pieces 3 are provided with through holes 404 through which the threaded ends of the bolts 401 pass, the threaded ends of the bolts 401 can pass through the through holes 404, and the diameter of the through holes 404 is greater than the diameter of the threaded holes 402 of the bolts 401.

[0059] When the movable ends of the two clamping portions 2 need to be locked, the threaded ends of the bolts 401 pass through the connecting through holes 403 and the two through holes 404 in sequence, and then are screwed with the threaded holes 402, so that the movable ends of the elastic clamping pieces 3 are limited, and the extrusion effect of the elastic clamping pieces 3 on the outer wall of the ring body 200 is improved.

[0060] Embodiment 4

[0061] The structure of the hoop is optimized based on the embodiment 1.

[0062] In the embodiment, please refer to Figure 4 After the hoop fixes the pipes 100, the inner side surfaces of the fixing portion 1 and the two clamping portions 2 do not contact the outer wall of the pipes 100, so that the adjustable range of the locking force of the hoop is larger during the locking of the movable ends of the two clamping portions 2 by the locking piece 4, and the fixing strength of the hoop on the pipes 100 can be controlled according to the actual situation.

[0063] The embodiments of the utility model are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above-mentioned specific implementation, the above-mentioned specific implementation is only illustrative, rather than limiting, and the ordinary skilled in the art can make many forms without departing from the purpose of the application and the scope protected by the claims under the inspiration of the application, which all belong to the protection of the application.​

Claims

1. A pipe fixing band, characterized by comprising: The utility model relates to a pipe clamp, including: A fixed part (1) is provided with a first arc groove (101) on one side wall of the fixed part (1), the first arc groove (101) is matched with the end ring (200) of the pipe (100); Two clamping parts (2) are rotatably connected to the two ends of the fixed part (1) respectively, the opposite side walls of the two clamping parts (2) are provided with a second arc groove (201) matched with the end ring (200) of the pipe (100), the first arc groove (101) and the two second arc grooves (201) form a clamping space, and the diameter of the clamping space is reduced as the movable ends of the two clamping parts (2) move towards each other; A plurality of elastic clamping pieces (3) are arranged in the first arc groove (101) and the two second arc grooves (201) respectively, and the elastic clamping pieces (3) are in contact with the outer wall of the end ring (200) of the pipe (100); A locking piece (4) is arranged to lock the movable ends of the two clamping parts (2) together; The first arc groove (101) and the two second arc grooves (201) are provided with contact inclined surfaces (5) on the two side walls in the length direction of the pipe (100), and the two groups of contact inclined surfaces (5) are in contact with the back surfaces of the end rings (200) of the two pipes (100) respectively.

2. The pipe fixing band as set forth in claim 1, wherein: The two ends of the fixed part (1) are provided with first mounting grooves (701), the first mounting grooves (701) are provided with hinge pins (6), and the connecting ends of the clamping parts (2) are provided with first mounting holes (702) through which the hinge pins (6) pass.

3. The pipe fixing band as set forth in claim 2, wherein: One end of the elastic clamping piece (3) in the second arc groove (201) is rotatably connected to the fixed part (1) with the same axis as the clamping part (2), the other end of the elastic clamping piece (3) is a movable end, and the movable ends of the two elastic clamping pieces (3) can be pressed inwards by the movable ends of the two clamping parts (2).

4. The pipe gripping band of claim 3, wherein: The locking piece (4) includes a bolt (401), the movable end of one clamping part (2) is provided with a threaded hole (402) matched with the threaded end of the bolt (401), the movable end of the other clamping part (2) is provided with a connecting through hole (403), the fixed end of the bolt (401) cannot pass through the connecting through hole (403), and the diameter of the connecting through hole (403) is greater than the diameter of the threaded end of the bolt (401).

5. The pipe gripping band of claim 4, wherein: The diameter of the connecting through hole (403) is only greater than the diameter of the threaded end of the bolt (401) in the radial direction of the pipe (100).

6. The pipe gripping band of claim 4 wherein: The movable end of the elastic clamping piece (3) extends to the movable end of the clamping part (2), the movable end of the elastic clamping piece (3) is provided with a via hole (404) through which the threaded end of the bolt (401) passes, and the threaded end of the bolt (401) can pass through the via hole (404).

7. The pipe gripping band of claim 3 wherein: The connecting end middle part of the clamping part (2) is provided with a second installation slot (703) communicating with the second arc-shaped slot (201), the second installation slot (703) communicates with the first installation hole (702), and the connecting end of the elastic clamping piece (3) is provided with a second installation hole (704) through which the hinge pin (6) passes.

8. The pipe gripping band of claim 1, wherein: After the pipe (100) is fixed by the hoop, the inner side surfaces of the fixing part (1) and the two clamping parts (2) are not in contact with the outer wall of the pipe (100).

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