CN211398853U - Anti-loosening device for pipeline connecting assembly and pipeline connecting assembly - Google Patents
Anti-loosening device for pipeline connecting assembly and pipeline connecting assembly Download PDFInfo
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- CN211398853U CN211398853U CN201921655809.2U CN201921655809U CN211398853U CN 211398853 U CN211398853 U CN 211398853U CN 201921655809 U CN201921655809 U CN 201921655809U CN 211398853 U CN211398853 U CN 211398853U
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Abstract
A locking release, pipeline coupling assembling for pipeline coupling assembling. The utility model discloses utilize the positioner in the locking device to connect the coupling and the suit is at the bolt of coupling periphery, set up the inner wall at least partial laminating of locating hole among the positioner the peripheral surface of coupling sets up the surface laminating of positioning element among the positioner the peripheral surface of bolt realizes being connected and the location between bolt and coupling. The utility model discloses utilize positioner connecting bolt and coupling for keep synchronous rotation between bolt and the coupling, avoid the frequent shake in the train operation to act on the bolt and make its relative coupling rotation pine take off.
Description
Technical Field
The utility model relates to a train spare part field particularly relates to an anti-loosening device, pipeline coupling assembling for pipeline coupling assembling.
Background
The pipelines on the train need to be connected through pipe connectors. The existing pipe connectors are sealed at the connecting part only by threads and sealing gaskets.
The pipe coupling device according to the reference application No. 2014101688165, which is sealingly connected to the assembly nut by means of a securing ring. However, the connection structure is not provided with a positioning structure opposite to the installation direction, and positioning is realized only through the sleeving and clamping relationship between the connection parts, so that the pipe joint is easy to loosen in the vibration of a train and quit clamping and fixing the pipe joint.
The sealing mode between the pipelines on the existing train has the following problems:
1. in the running process of a train, high-frequency vibration exists in the working environment of a pipeline on the train, and the vibration acts on the mechanical structures such as the pipeline, a pipe connector and the like and can correspondingly extrude a sealing gasket inwards, so that the sealing gasket is easy to damage due to mechanical fatigue and loses the sealing effect;
2. the up-frequency vibration in the running process of the train directly acts between the pipe connectors, so that the threads between the pipe connectors are easy to loosen, the connection between the pipe connectors is loosened, and the medium in the pipeline is leaked.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an anti-loosening device, pipeline coupling assembling for pipeline coupling assembling, the utility model discloses a spacer is connected as a whole between with the pipe connector, prevents the relative rotation between the pipe connector that the shake caused in the train operation, prevents that pipe connector pine from taking off, guarantees the leakproofness of train pipeline. The utility model discloses specifically adopt following technical scheme.
First, in order to achieve the above object, there is provided an anti-loosening device for a pipe connecting assembly including a pipe joint and a bolt. The anti-loosening device comprises a positioning device, and the positioning device comprises: the positioning hole is arranged inside the positioning device, and the inner wall of the positioning hole is at least partially attached to the outer peripheral surface of the pipe joint; and a positioning member provided outside the positioning device, a surface of the positioning member being fitted to an outer peripheral surface of the bolt.
Optionally, the above anti-loosening device for the pipe connection assembly, wherein the bolt is limited by the positioning device, follows the pipe joint, and rotates synchronously with the pipe joint.
Optionally, in the anti-release device for the pipe connection assembly, an inner wall of the positioning hole is driven by the pipe joint and rotates synchronously with the pipe joint; the positioning component is driven by the bolt and synchronously rotates along with the bolt.
Optionally, the above-mentioned locking release for pipe coupling assembling, wherein, the peripheral surface of coupling is provided with the arris, the locating hole is the polygon, the polygon is at least partly laminated the arris of coupling peripheral surface.
Optionally, above-mentioned locking release for pipe coupling assembling, wherein, positioner is including the location body, locating part sets up the periphery of location body, the locating hole is for setting up the through-hole in the middle of the body of location, be formed with between locating part and the location body and be close right angled buckling, the laminating of location body a bolt side end face, the laminating of locating part's inboard surface the peripheral surface of bolt, the bolt rotates along with the locating part is synchronous.
Optionally, the locking device for the pipe connection assembly includes a positioning member, and the positioning member includes positioning claws protruding from the outer periphery of the positioning body symmetrically, the positioning body is connected with the positioning claws into a whole, and is bent toward the bolt, and at least part of the positioning member is wrapped on the outer peripheral surface of the bolt.
Optionally, in the anti-loosening device for a pipeline connecting assembly, the pipe joint is an inner pipe joint in the pipeline connecting assembly, and the bolt is sleeved on the periphery of the inner pipe joint and is connected with the inner pipe joint and an outer pipe joint in the connecting assembly; a limiting groove is further formed in the position, close to the end face of the bolt, on the edge of the outer peripheral surface of the inner pipe joint; the anti-loosening device further comprises a limiting device, wherein the limiting device is arranged in the limiting groove and abuts against the positioning body on the end face of the bolt.
Optionally, the above-mentioned locking release for pipe coupling assembling, wherein, stop device is for seting up the open-ended circlip, circlip's inboard joint is in the spacing inslot, circlip's outside butt is in the outside surface of location body.
A conduit connection assembly, comprising: the inner pipe joint, the outer pipe joint and the bolt sleeved on the periphery of the inner pipe joint, wherein any one of the anti-loosening devices is connected between the inner pipe joint and the bolt.
Advantageous effects
The utility model discloses utilize the positioner in the locking device to connect the coupling and the suit is at the bolt of coupling periphery, set up the inner wall at least partial laminating of locating hole among the positioner the peripheral surface of coupling sets up the surface laminating of positioning element among the positioner the peripheral surface of bolt realizes being connected and the location between bolt and coupling. The utility model discloses utilize positioner connecting bolt and coupling for keep synchronous rotation between bolt and the coupling, avoid the frequent shake in the train operation to act on the bolt and make its relative coupling rotation pine take off.
The utility model discloses an anti-loosening device still further is provided with stop device, realizes fixing positioner, guarantees that stop device's body can inseparable butt in the terminal surface of bolt, avoids the stop device pine to take off, leads to the location inefficacy to the bolt.
The positioning device in the utility model realizes the driven of the pipe joint through the matching relation between the inner positioning hole and the peripheral shape of the pipe joint; the bolt is partially wrapped on the outer peripheral surface of the bolt through bending of the external positioning component to the bolt, so that the bolt follows the positioning device. The utility model discloses a laminating relation between face and the face is a whole with coupling, positioner and the inseparable connection of bolt, eliminates the relative rotation between the structure, simultaneously, because the direct laminating to bolt outer wall surface of mode realization through buckling of positioning element can avoid the adjustment to positioning element mounted position before the installation, simplifies the installation procedure to positioner.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a pipe connecting assembly including an anti-loosening device according to the present invention;
FIG. 2 is a cross-sectional view of the pipe coupling assembly of FIG. 1;
fig. 3 is a schematic view of a positioning device in the anti-loosening device according to the present invention before bending;
fig. 4 is a schematic structural view of a limiting device in the anti-loosening device of the present invention.
In the drawings, 1 denotes an internal thread joint; 11 represents a ridge; 12 denotes a stopper groove; 2, an external thread joint; 3 represents a bolt; 4 denotes a positioning device; 41 denotes a positioning hole; 42 denotes a positioning member; 43 denotes a positioning body; 5 denotes a stopper; 51 denotes a mounting hole; and 52 denotes an opening.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solution of the embodiments of the present invention by combining the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "inside and outside" in the present invention means that, relative to the pipe connecting assembly itself, the direction from the periphery of the pipe connecting assembly to the channel inside of the pipe connecting assembly for medium circulation is inside, otherwise, the direction is outside; and not to the specific limitations of the device mechanism of the present invention.
The term "connected" as used herein may mean either a direct connection between elements or an indirect connection between elements through other elements.
Fig. 1 is according to the utility model discloses a pipeline connecting assembly, it includes: the pipe joint comprises an inner pipe joint 1, an outer pipe joint 2 and a bolt 3, wherein the periphery of the inner pipe joint 1 is sleeved on the periphery of the outer pipe joint 2, and the bolt is connected with the inner pipe joint 1 and the outer pipe joint 2. The front end of the inner pipe joint and the rear end of the outer pipe joint are connected with two pipelines respectively, and gaskets are arranged between the inner pipe joint and the outer pipe joint in a mode shown in figure 2 to seal the connection positions of the inner pipe joint and the outer pipe joint.
The pipeline connecting component is characterized in that the pipeline connecting component comprises a bolt, a pipe joint and a locking device, wherein the bolt is arranged on the pipe joint, the bolt is arranged on the bolt, and the locking device is arranged on the bolt. The anti-loosening device comprises a positioning device 4 shown in figure 3. Referring to fig. 3, the positioning apparatus includes:
a positioning body 43, which may be provided as a positioning tab or a collar for positioning;
a positioning hole 41 provided inside the positioning body 43, an inner wall of the positioning hole 41 at least partially fitting an outer circumferential surface of the pipe joint;
and a positioning member 42 disposed outside the positioning body 43, wherein a surface of the positioning member 42 is bent, or is bent during installation, so that an inner side surface of the bent positioning member 42, that is, an inner wall surface of a sheathing structure formed between the bent positioning members 42, is fitted to an outer circumferential surface of the bolt 3.
Therefore, the utility model realizes the connection between the pipe joint and the bolt sleeved on the periphery of the pipe joint through the positioning device, limits the positioning device to be driven by the pipe joint through the laminating action between the inner wall of the positioning hole in the positioning device and the peripheral surface of the pipe joint, and keeps the positioning device and the pipe joint to synchronously vibrate or rotate; the bolt is limited to be driven by the positioning device through the attaching effect between the surface of the positioning component in the positioning device and the peripheral surface of the bolt, and the bolt and the positioning device are kept to synchronously vibrate or rotate. Therefore, the positioning device realizes connection and positioning between the bolt and the pipe joint, so that the bolt and the pipe joint are kept to synchronously rotate, the bolt is driven by the pipe joint through the limitation of the positioning device 4, the frequent vibration in the running process of a train is prevented from acting on the bolt to enable the bolt to rotate and loosen relative to the pipe joint, the displacement between the bolt and the pipe joint along the axial direction of a pipeline can be limited to a certain degree, the sealing gasket arranged between the inner-tooth pipe joint and the outer-tooth pipe joint is prevented from being repeatedly extruded, the fatigue damage under the action of mechanical external force is avoided, and the tight sealing connection between the pipe joints is further protected.
The positioning device can also be provided with a clamping ring, a sleeve, a hoop barrel and the like. As long as its inside keeps with the fixed of coupling, its inner wall keeps can all realize with the fixed homoenergetic of bolt the fixing to bolt and coupling, thereby prevent pipeline coupling assembling pine takes off.
In some implementations, to prevent the sliding or loosening of the joint surface between the above structures, an edge 11 may be further provided on the outer circumferential surface of the pipe joint, and the positioning hole 41 may be a polygon having a cross section that is the same as or slightly larger than the cross section of the outer circumference of the pipe joint in accordance with the cross section of the outer circumference of the pipe joint. Thereby, the polygon can at least partially abut the edge 11 of the outer peripheral surface of the pipe joint, restricting the positioning hole of the positioning device from rotating relative to the outer peripheral surface of the pipe joint.
Similarly, the outer circumferential surface of the bolt 3 may also be provided with ribs, and the bent inner surface of the positioning member is attached to a plane between the ribs or attached to the ribs to further limit the rotation of the positioning device relative to the outer circumferential surface of the bolt.
In this manner, it is preferable that the bend formed between the positioning member 42 and the positioning body 43 is provided close to the edge of the bolt end face and the outer peripheral surface. In this way, the positioning body 43 can be attached to one side end face of the bolt 3 to limit the bolt from moving in the direction of the positioning body, and can also limit the bolt from rotating by the attaching action between the inner side surface of the positioning member 42 and the outer peripheral surface of the bolt 3, so that the bolt 3 can only rotate synchronously with the positioning member 42 to keep the sealing of the pipe joint.
In order to match the shape of the bolt end, the positioning member 42 and the positioning body 43 can be bent at a right angle or close to a right angle by an external force during the assembling process. The positioning part and the bolt can be directly connected in a right-angle mode or directly processed into a right angle, but the positioning part and each rib of the bolt or the joint between the ribs need to be aligned in the assembling process, so that the positioning part and the bolt can be tightly connected.
In some implementations, the positioning component 42 can be configured as one or more symmetrically disposed positioning claws protruding from the outer periphery of the positioning body 43. The positioning body 43 is connected with the positioning pawl as a whole, and is directly bent towards the bolt 3 at a fixed angle, or is bent towards the bolt 3 through external force processing in the installation process, and the bending enables the positioning part to be at least partially coated on the peripheral surface of the bolt 3, so that the bolt is fixed.
In a preferred implementation manner, in order to fix and limit the positioning device, a limiting groove 12 may be further formed on the edge 11 of the outer peripheral surface of the inner pipe joint 1 or on the outer peripheral surface of the inner pipe joint, at a position close to the end surface of the bolt 3. The anti-release device may further comprise a stop device 5 similar to that shown in fig. 4. The limiting device 5 can be set as an elastic check ring with an opening 52, the inner side of the elastic check ring is clamped in the limiting groove 12, the outer side of the elastic check ring is abutted against the outer side surface of the positioning body 43, the positioning body 43 is abutted against the end surface of the bolt 3, the positioning device 4 and the end part of the bolt surrounded by the inner side of the positioning device are limited to be incapable of moving towards the direction of the limiting groove 12, the bolt is limited to be kept in a screwing state with the inner thread pipe connector 1 and the outer thread pipe connector 2, and sealing between pipelines is achieved.
In other implementation manners, the limiting device 5 may also be configured to have other structures, such as a spring, a clip, or other structures sleeved outside the female pipe joint, as long as it can limit the positioning device 4 from withdrawing in the installation direction, limit the positioning device 4 from withdrawing in the direction of the pipeline, and keep the end face of the bolt 3 in contact with the end face.
The pipeline connecting assembly can be assembled in the following mode to realize the sealing connection between the two pipelines:
firstly, the bolt 3, the positioning device 4 before bending and the limiting device 5 can be sleeved into a pipeline connected with the inner pipe joint, and then the bolt, the positioning device 4 before bending and the limiting device 5 are sequentially sleeved on the periphery of the inner pipe joint 1 along the pipeline;
then, after the bolt 3 is screwed with the inner pipe joint 1 and the outer pipe joint 2 to realize connection and fixation of the three, the positioning device 4 is moved along the inner pipe joint to a position between the end surface of the bolt and a limiting groove on the outer peripheral surface of the inner pipe joint, and a positioning component 42 such as a positioning claw of the positioning device is bent towards the bolt by a tool to make the inner side surface of the positioning component 42 fit with the outer peripheral surface of the bolt 3; therefore, the positioning hole 41 is matched with the shape of the outer peripheral surface of the inner thread pipe joint to fix the positioning device, and the inner wall of the positioning part is attached to the outer peripheral surface of the bolt to fix the bolt;
finally, the limiting device 5 is clamped into the limiting groove 12 on the peripheral surface of the inner pipe joint 1, the side wall of the limiting device abuts against the positioning body 43 of the positioning device 4 between the end face of the bolt 3 and the limiting device 5, and the positioning device and the bolt are limited and fixed.
The limiting device can be connected with the calipers through the mounting holes 51, the openings of the limiting device are expanded by the calipers and clamped into the pipeline, then the pipeline is moved to the limiting grooves 12, the calipers are removed, the openings are tightened by the elasticity of the limiting device, and the limiting grooves 12 in the clamping machine limit the limiting positions of the positioning device and the end faces of the bolts.
Therefore, the utility model discloses an unable relative rotation between tooth pipe connector and the bolt in the positioner restriction, through stop device keep positioner rigidity, guarantee the mutual butt of terminal surface of positioner and bolt, the restriction bolt can not loosen and take off with interior tooth pipe connector and the connection of outer tooth pipe connector, realize connecting structure's between the pipeline sealed, can effectively avoid the coupling to receive the train to shake frequently and loosen and take off.
The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.
Claims (9)
1. An anti-loosening device for a pipe connection assembly, the pipe connection assembly comprising a pipe joint and a bolt (3), characterized in that the anti-loosening device comprises a positioning device (4) comprising:
a positioning hole (41) arranged inside the positioning device (4), wherein the inner wall of the positioning hole (41) at least partially fits the outer peripheral surface of the pipe joint;
a positioning member (42) provided outside the positioning device (4), a surface of the positioning member (42) being in contact with an outer peripheral surface of the bolt (3).
2. Anti-release device for pipe connection assemblies, according to claim 1, characterized in that said bolt (3) is constrained by said positioning means (4), following said coupling, rotating synchronously with said coupling.
3. The release preventing means for the pipe connecting assembly according to claim 1, wherein the inner wall of the positioning hole (41) follows the pipe joint to rotate in synchronization with the pipe joint; the positioning component (42) is driven by the bolt (3) and rotates synchronously with the bolt (3).
4. The release preventing means for the pipe connecting assembly according to claim 1, wherein the outer circumferential surface of the coupling is provided with ribs (11), and the positioning hole (41) has a polygonal shape at least partially conforming to the ribs (11) of the outer circumferential surface of the coupling.
5. The loosening prevention device for the pipe connection assembly according to claim 1, wherein the positioning device (4) includes a positioning body (43), the positioning member (42) is disposed at an outer periphery of the positioning body (43), the positioning hole (41) is a through hole disposed in a middle of the positioning body (43), a bend close to a right angle is formed between the positioning member (42) and the positioning body (43), the positioning body (43) is attached to one side end face of the bolt (3), an inner side surface of the positioning member (42) is attached to an outer peripheral surface of the bolt (3), and the bolt (3) rotates synchronously with the positioning member (42).
6. The anti-loosening device for the pipe connecting assembly according to claim 5, wherein the positioning member (42) comprises positioning claws protruding from the outer periphery of the positioning body (43) symmetrically, and the positioning body (43) is connected with the positioning claws integrally and bent toward the bolt (3) to at least partially cover the outer peripheral surface of the bolt (3).
7. The anti-release device for a pipe connecting assembly according to claim 6, wherein the pipe joint is an inner pipe joint (1) in the pipe connecting assembly, the bolt (3) is fitted around the outer circumference of the inner pipe joint (1), and the inner pipe joint (1) and the outer pipe joint (2) in the pipe connecting assembly are connected; a limiting groove (12) is formed in the position, close to the end face of the bolt (3), on the edge (11) of the outer peripheral surface of the inner pipe joint (1);
the anti-loosening device further comprises a limiting device (5), wherein the limiting device (5) is arranged in the limiting groove (12) and abuts against the positioning body (43) on the end face of the bolt (3).
8. The anti-loosening device for the pipe connecting assembly according to claim 7, wherein the limiting device (5) is a circlip provided with an opening (52), the inner side of the circlip is clamped in the limiting groove (12), and the outer side of the circlip abuts against the outer side surface of the positioning body (43).
9. A conduit connection assembly, comprising: interior pipe connector (1), outer pipe connector (2) and by the periphery of interior pipe connector (1) overlap to bolt (3) of outer pipe connector (2) periphery, characterized in that, still be connected with the locking release of claim 1 ~ 8 arbitrary between interior pipe connector (1) and bolt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655809.2U CN211398853U (en) | 2019-09-29 | 2019-09-29 | Anti-loosening device for pipeline connecting assembly and pipeline connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655809.2U CN211398853U (en) | 2019-09-29 | 2019-09-29 | Anti-loosening device for pipeline connecting assembly and pipeline connecting assembly |
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| Publication Number | Publication Date |
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| CN211398853U true CN211398853U (en) | 2020-09-01 |
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| CN201921655809.2U Active CN211398853U (en) | 2019-09-29 | 2019-09-29 | Anti-loosening device for pipeline connecting assembly and pipeline connecting assembly |
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| CN (1) | CN211398853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630830A (en) * | 2019-09-29 | 2019-12-31 | 安徽欣景隆轨道车辆装备有限公司 | Anti-loosening device for pipeline connecting assembly, pipeline connecting assembly and method |
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2019
- 2019-09-29 CN CN201921655809.2U patent/CN211398853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630830A (en) * | 2019-09-29 | 2019-12-31 | 安徽欣景隆轨道车辆装备有限公司 | Anti-loosening device for pipeline connecting assembly, pipeline connecting assembly and method |
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