CN218052452U - Coaxial assembling device - Google Patents
Coaxial assembling device Download PDFInfo
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- CN218052452U CN218052452U CN202222196763.0U CN202222196763U CN218052452U CN 218052452 U CN218052452 U CN 218052452U CN 202222196763 U CN202222196763 U CN 202222196763U CN 218052452 U CN218052452 U CN 218052452U
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Abstract
The utility model discloses a coaxial assembly quality, include: spanner body, card firmware and coaxial piece, spanner body includes handheld portion and fastening portion, and first assembly space has been seted up to fastening portion, and card firmware sets up in first assembly space, is provided with second assembly space on the card firmware, and second assembly space is suitable for and holds the nut, and the coaxial piece is suitable for and holds the pipeline, and on the thickness direction of card firmware, the coaxial piece setting is in one side of card firmware, and the coaxial piece extends along spanner body's thickness direction. Through the solid nut of card solid card of card, coaxial piece is spacing with the pipeline, guarantees the axiality of nut and pipeline, directly controls the handle body afterwards and rotates the nut, with nut and butt joint threaded connection, coaxial piece is rotatory with the pipeline laminating simultaneously, can guarantee pipeline and butt joint coaxial coupling, and the leakproofness of pipe connection department is good, and the security is high, through coaxial assembly quality connecting tube and butt joint, easy operation, assembly efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of high-pressure line connecting device technique and specifically relates to a coaxial assembly quality.
Background
In a vehicle-mounted Gas supply system, such as a Compressed Natural Gas (CNG) system, a Compressed hydrogen Gas system and the like, a connecting pipeline in the system is mostly a metal high-pressure pipeline which is used as a medium transmission function carrier, and the safety and reliability of the system can be ensured only when the requirement on the sealing performance of the pipeline is extremely high, so that a higher requirement is provided for the stability of the pipeline assembling process.
The matched seal of the tail end of the pipeline and the butt joint is generally a conical surface seal, the tail end of the pipeline is provided with an outer conical surface, the butt joint is provided with an inner conical surface, and after the inner conical surface is attached to the outer conical surface and connected with the outer conical surface in a fitting mode, the tail end of the pipeline and the butt joint are fixedly connected through a connecting piece and the butt joint in a threaded connection mode. However, in the connection process, the inner conical surface and the outer conical surface are manually attached, and then the positions of the connecting piece and the butt joint are manually supported, so that the threads can be screwed, if the connecting piece and the butt joint are directly screwed according to the threads, the problems of incomplete attachment of the inner conical surface and the outer conical surface, poor coaxiality, inclination and the like can be caused, the poor sealing performance of the pipeline can be caused due to the fact that the outer conical surface at the tail end of the pipeline and the inner conical surface of the butt joint are not completely attached, the coaxiality is poor and the like, the risk of gas leakage exists, the assembly efficiency is low, the required assembly precision cannot be guaranteed only by means of field manual adjustment of an operator, and therefore how to guarantee the coaxiality and the assembly precision of the inner conical surface and the outer conical surface in the connection process is the technical problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a coaxial assembly quality, this coaxial assembly quality can guarantee pipeline and butt joint's axiality, and assembly efficiency is high, the precision is good.
According to the utility model discloses coaxial assembly quality, include: the wrench comprises a wrench body, a handle and a fastening part, wherein the fastening part is provided with a first assembling space; the clamping piece is arranged in the first assembling space, a second assembling space is arranged on the clamping piece, and the second assembling space is suitable for accommodating a nut; the wrench comprises a wrench body, a clamping piece and a coaxial piece, wherein the clamping piece is arranged on one side of the wrench body, and the coaxial piece is suitable for accommodating a pipeline and arranged on one side of the clamping piece in the thickness direction of the clamping piece and extends along the thickness direction of the wrench body.
According to the utility model discloses coaxial assembly quality, through the solid nut of card firmware card, coaxial piece is spacing with the pipeline, guarantees the axiality of nut and pipeline, directly controls handle body rotation nut afterwards, with nut and butt joint threaded connection, coaxial piece is rotatory with the pipeline laminating simultaneously, can guarantee pipeline and butt joint coaxial coupling, and the leakproofness of pipe connection department is good, and the security is high, through coaxial assembly quality connecting tube and butt joint, easy operation, assembly efficiency is high.
In some embodiments, the thickness of the trim piece is greater than the thickness of the fastening portion in the thickness direction of the fastening portion.
In some embodiments, the coaxial member is formed as an arcuate plate.
Specifically, the central angle of the inner peripheral wall of the coaxial member ranges from 120 degrees to 180 degrees.
Optionally, the inner circumferential wall of the coaxial member is provided with a plurality of ribs extending in the axial direction thereof.
In some embodiments, the coaxial member and the clamping member are integrally formed.
In some embodiments, the coaxial member, the fastening member and the wrench body are formed as an integrally molded part.
In some embodiments, the length h of the coaxial member is 8mm to 15mm.
In some embodiments, the inlet opening of the second fitting space is provided with a guide surface extending obliquely towards the center of the second fitting space.
In particular, opposite side walls of the inlet opening of the second fitting space extend obliquely towards each other in a direction towards the centre of the second fitting space to define the guide surface.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of a coaxial fitting arrangement according to an embodiment of the present invention;
fig. 2 is a top view of a coaxial fitting arrangement according to an embodiment of the present invention;
fig. 3 is a perspective external view of a coaxial mounting device according to an embodiment of the present invention;
fig. 4 is another angular perspective profile view of a coaxial mounting device according to an embodiment of the present invention;
fig. 5 is a schematic view of the operation of the coaxial assembling apparatus according to the embodiment of the present invention;
fig. 6 is a front view of the coaxial assembling apparatus according to the embodiment of the present invention.
Reference numerals:
a coaxial assembling device 100,
A wrench body 1, a hand-held part 11, a fastening part 12,
A clamping piece 2, a guide surface 21,
A coaxial member 3,
A pipeline 200,
A nut 300,
A butt joint 400,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more.
A coaxial mounting device 100 according to an embodiment of the present invention is described below with reference to fig. 1-6.
The utility model discloses coaxial assembly quality 100 is used for pipeline 200 and butt joint 400 be assembled between/be connected between, is provided with nut 300 at pipeline 200 end, and butt joint 400 part is provided with the external screw thread at least, through with nut 300 and butt joint 400 screw-thread fit, just can be with pipeline 200 and butt joint 400 be assembled between/be connected between.
According to the utility model discloses coaxial assembly device 100, include: spanner body 1, card firmware 2 and coaxial piece 3, spanner body 1 includes handheld portion 11 and fastening portion 12, first assembly space has been seted up to fastening portion 12, card firmware 2 sets up in first assembly space, be provided with second assembly space on the card firmware 2, second assembly space is suitable for holding nut 300, coaxial piece 3 is suitable for holding the pipeline, in the thickness direction of card firmware 2, coaxial piece 3 sets up in one side of card firmware 2, coaxial piece 3 extends along the thickness direction of spanner body 1.
The fastener 2 is suitable for being matched with the terminal nut 300 clamping of the pipeline 200, the fastener 2 is provided with a second assembling space, when the fastener 2 is arranged on the nut 300, the nut 300 is located in the second assembling space and fixed by the fastener 2, and then the fastener 2 is driven to rotate by controlling the wrench body 1, so that the nut 300 can be driven to rotate, the nut 300 is screwed with the butt joint connector, and the pipeline 200 is assembled and connected with the butt joint connector 400.
However, the pipeline 200 is in a spatial direction, the limit on the pipeline 200 is small, and the degree of freedom of the extending direction of the pipeline 200 is high, so that after the pipeline 200 extends for a certain distance, a certain angle is generated between the axis of the pipeline 200 and the axis of the butt joint 400, so that the pipeline 200 and the butt joint 400 are inclined, in this case, the nut 300 and the butt joint 400 are directly screwed, the joint between the pipeline 200 and the butt joint 400 is easily subjected to sealing failure, the safety of the pipeline 200 is reduced, and therefore the pipeline 200 needs to be manually adjusted when being connected, so that the pipeline 200 and the butt joint 400 are coaxial, and then the nut 300 is screwed, but the manual adjustment has low assembly efficiency and poor accuracy.
As shown in fig. 3, the coaxial assembling device 100 of the embodiment of the present invention is provided with the coaxial component 3, the coaxial component 3 is disposed on the fastening component 2, and is located on one side of the fastening component 2 in the thickness direction, it can be understood that, as shown in fig. 5, after the fastening component 2 is fastened with the nut 300, the thickness direction of the fastening component 2 is the same as the extending direction of the pipeline 200, and the coaxial component 3 extends along the thickness direction of the wrench body 1, and the thickness direction of the wrench body 1 is the same as the thickness direction of the fastening component 2, therefore, after the fastening component 2 is fastened with the nut 300, the extending direction of the coaxial component 3 is the same as the extending direction of the pipeline 200.
When the fastening member 2 is fastened to the nut 300, the coaxial member 3 covers the pipe 200 to accommodate the pipe 200, so that the coaxial member 3 can accommodate and limit the pipe 200. After the coaxial assembling device 100 is connected with the pipeline 200, as shown in fig. 5, the nut 300 is clamped by the clamping piece 2, the pipeline 200 is limited by the coaxial piece 3, and therefore the coaxiality of the nut 300 and the pipeline 200 can be ensured, by operating the coaxial assembling device 100 and rotating the nut 300, the nut 300 and the butt joint 400 are screwed, and meanwhile, the coaxial piece 3 also rotates around the axis of the pipeline 200 to limit the pipeline 200, so that the coaxial connection between the pipeline 200 and the butt joint 400 can be ensured when the nut 300 is screwed, the tightness of the connection between the pipeline 200 is good, and the safety of the pipeline 200 is high.
And through controlling the utility model discloses a coaxial assembly device 100 does not need manual adjustment pipeline 200 and butt joint 400, and coaxial assembly device 100 and pipeline 200 cooperation back just can take advantage of the situation and directly rotate, with the rotatory and butt joint 400 threaded connection of nut 300 in, coaxial 3 is rotatory in order to guarantee pipeline 200 and butt joint 400 coaxial coupling, easy operation, assembly efficiency is high.
According to the utility model discloses coaxial assembly device 100, through 2 solid nuts 300 of card firmware, coaxial 3 is spacing with pipeline 200, guarantee nut 300 and pipeline 200's axiality, directly control handle body rotation nut 300 afterwards, with nut 300 and butt joint 400 threaded connection, coaxial 3 is rotatory with the laminating of pipeline 200 simultaneously, can guarantee pipeline 200 and butt joint 400 coaxial coupling, the leakproofness of pipeline 200 junction is good, the security is high, connect pipeline 200 and butt joint 400 through coaxial assembly device 100, the operation is simple, the assembly efficiency is high.
In some embodiments of the utility model, the terminal external conical surface that reduces for the internal diameter gradually of pipeline 200, be provided with the interior conical surface on the butt joint 400, nut 300 sets up at the pipeline 200 end, nut 300 is mobilizable relative pipeline 200, because lack spacing between nut 300 and the external conical surface, if directly screw up nut 300 and butt joint 400 screw thread, will cause the terminal external conical surface of pipeline 200 and butt joint 400's the incomplete laminating of interior conical surface, the axiality is poor, take place the slope scheduling problem, lead to pipeline 200's sealed poor, there is the risk of gas leakage. And through using the utility model discloses coaxial assembly device 100 can make pipeline 200 and butt joint 400 coaxial coupling, can make the outer conical surface and the stable laminating of inner cone, and the leakproofness of pipeline 200 and butt joint 400's junction is better, and the safety in utilization of pipeline 200 is high.
The utility model discloses a in some embodiments, the inner wall of card firmware is provided with a plurality of spacing muscle, can promote card firmware 2 to the spacing effect of nut 300, and swivel nut 300's action is quick, stable.
In some embodiments of the present invention, the nut 300 is a hexagon nut, as shown in fig. 4, the projection of the second assembling space in the thickness direction of the fastener 2 is a regular hexagon part, and the hexagon nut is stably matched with the second assembling space, so as to improve the limit effect of the fastener 2 on the nut 300.
In some embodiments of the present invention, the thickness of the card holder 2 is greater than the thickness of the fastening portion 12 in the thickness direction of the fastening portion 12. The clamping member 2 is suitable for being clamped and matched with the nut 300, so that the thickness of the clamping member 2 is large, the attaching area of the clamping member 2 and the nut 300 can be increased, the connection stability of the clamping member 2 and the nut 300 is improved, and the nut 300 can be driven to rotate conveniently. The fastening portion 12 is only fixedly connected with the fastening piece 2, so that the size requirement is low, the thickness design of the fastening portion 12 is small, the light weight design of the coaxial assembling device 100 can be realized, the manufacturing cost is reduced, the weight of the coaxial assembling device 100 is light, and the coaxial assembling device is convenient to use.
In some embodiments of the present invention, the thickness of the hand-held portion 11 is the same as the thickness of the fastening portion 12, the thickness of the wrench body 1 is the same, which is more convenient for manufacturing, the weight of the coaxial assembling device 100 is lighter, and the thickness of the hand-held portion 11 is smaller, which is convenient for use.
The utility model discloses a some embodiments, card firmware 2 sets up in first assembly space to fastening portion 12 is located the intermediate part of 2 thickness directions of card firmware, and the card firmware 2 size that is located 12 thickness directions both sides of fastening portion is close, when controlling fastening portion 12 through handheld portion 11, and card firmware 2 atress is even, and drive nut 300 rotary motion is stable.
In some embodiments, the ratio of the thickness of the fastening member 2 to the thickness of the nut 300 is in a range of 1-2, the thickness of the fastening member 2 is preferably slightly larger than the thickness of the nut 300, and the fastening member 2 can completely cover the nut 300, has a large attachment area with the nut 300, and can stably drive the nut 300 to rotate. Preferably, the ratio of the thickness of the trim piece 2 to the thickness of the nut 300 is 1.5.
In other embodiments of the present invention, the fastening member 2 is disposed in the first assembling space, and the fastening portion 12 is located at an edge portion of the fastening member 2 in the thickness direction, and the fastening portion 12 is located at a side opposite to the coaxial member 3. The design can also meet the requirements that the clamping piece 2 clamps the nut 300 and the coaxial piece 3 covers the pipeline 200, and can adapt to the reduction of the thickness of the clamping piece 2, reduce the manufacturing cost, reduce the weight of the coaxial assembling device 100 and be convenient to use.
In some embodiments of the present invention, as shown in fig. 2, the coaxial component 3 is formed as an arc plate, so as to avoid stress concentration and improve the structural strength of the coaxial component 3. Coaxial-component 3 forms to the arc, consequently the arc is inside to inject the open chamber that holds of one end, and the inside wall that holds the chamber also is arc, and coaxial assembly device 100 is connected the back with pipeline 200, holds the chamber and holds pipeline 200, holds the inside wall in chamber and the laminating of the outer peripheral face of pipeline 200, and coaxial-component 3 is spacing to pipeline 200.
In some embodiments of the present invention, the central angle of the inner peripheral wall of the coaxial member 3 ranges from 120 degrees to 180 degrees.
The central angle of the inner peripheral wall of the coaxial member 3 defines the open area of the accommodating cavity, and the central angle of the inner peripheral wall of the coaxial member 3 is too large or too small, so that the limiting effect on the pipeline 200 is not good. When the central angle of the inner peripheral wall of the coaxial member 3 is too large, the distance between the open ends of the accommodating cavities is too small, even smaller than the diameter of the pipeline 200, and the coaxial member 3 cannot be sleeved on the pipeline 200, so that the pipeline 200 cannot be accommodated and limited; when the central angle of the internal perisporium of coaxial-element 3 is too small, hold the interval of the open end of chamber too big, pipeline 200 can be easily followed the open end roll-off that holds the chamber and hold the chamber to the external peripheral face laminating area of the internal perisporium of coaxial-element 3 and pipeline 200 reduces, and limiting displacement to pipeline 200 reduces. Therefore, the central angle of the inner circumferential wall of the coaxial element 3 is preferably designed to be 120-180 degrees, which not only ensures the limiting function of the coaxial element 3 on the pipeline 200, but also facilitates the connection between the coaxial element 3 and the pipeline 200, and the coaxial assembling device 100 is convenient to use.
In some embodiments of the present invention, the inner circumferential wall of the coaxial member 3 is provided with a plurality of ribs extending in the axial direction thereof. The coaxial part 3 is attached to the outer peripheral surface of the pipeline 200 through the convex rib, compared with a connection mode that the inner peripheral wall of the coaxial part 3 is attached to the outer peripheral surface of the pipeline 200, the friction force between the coaxial part 3 and the pipeline 200 can be reduced by attaching the convex rib to the outer peripheral surface of the pipeline 200, the coaxial part 3 can smoothly rotate on the outer periphery of the pipeline 200, friction damage caused by relative rotation of the coaxial part 3 and the pipeline 200 can be reduced, and the service lives of the coaxial assembling device 100 and the pipeline 200 are prolonged.
In some embodiments of the present invention, the coaxial component 3 and the fastening component 2 are integrally formed, the connection between the coaxial component 3 and the fastening component 2 is stable, the structural strength is high, and the service life of the coaxial assembling device 100 is long.
In some embodiments of the present invention, the coaxial member 3, the fastening member 2 and the wrench body 1 are formed as an integrally formed member. Compare in split type design mode of reconnecting, integrated into one piece's coaxial assembly device 100's structural stability is strong, and structural strength is high, and life is longer.
In some embodiments of the present invention, the length h of the coaxial member 3 is 8mm to 15mm. The too long and too short of the coaxial element 3 are both unfavorable for the use of the workpiece, the too long of the coaxial element 3 reduces the structural strength of the coaxial element 3, and the too long of the coaxial element 3 increases the torque required to be applied by the coaxial assembling device 100, and the coaxial assembling device 100 has large resistance to rotation and is inconvenient to use; the length of the coaxial part 3 is too short, the fitting area of the coaxial part 3 and the pipeline 200 is reduced, and the limiting effect of the coaxial part 3 on the pipeline 200 is reduced. Therefore, the length of the coaxial element 3 is designed to be 8mm-15mm, which not only ensures the limiting function of the coaxial element 3 on the pipeline 200, but also facilitates the operation of the coaxial assembly device 100. Preferably, the length h of the coaxial member 3 is 10mm.
In some embodiments of the invention, the inlet opening of the second assembly space is provided with a guide surface 21, which guide surface 21 extends obliquely towards the center of the second assembly space. The second assembling space is adapted to accommodate the nut 300, and the guiding surface 21 is provided to facilitate the fastening of the fastening member 2 to the nut 300, thereby facilitating the use of the coaxial assembling apparatus 100.
In some embodiments of the present invention, as shown in fig. 2, the opposite side walls of the inlet opening of the second fitting space extend obliquely toward each other in a direction toward the center of the second fitting space to define the guide surface 21, and the distance between the opposite side walls of the inlet opening of the second fitting space gradually increases in a direction away from the center of the second fitting space. The guiding surfaces 21 are configured to contract toward the center of the second assembling space, and the portion far away from the center of the second assembling space is open, so as to guide the nut 300, and the nut 300 can easily enter the second assembling space from the gap between the guiding surfaces 21, so that the clamping member 2 can be clamped on the nut 300, and the coaxial assembling device 100 can be conveniently used.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A coaxial fitting apparatus, comprising:
the wrench comprises a wrench body, a handle and a fastening part, wherein the fastening part is provided with a first assembling space;
the clamping piece is arranged in the first assembling space, a second assembling space is arranged on the clamping piece, and the second assembling space is suitable for accommodating a nut;
the wrench comprises a wrench body, a clamping piece and a coaxial piece, wherein the clamping piece is arranged on one side of the wrench body, and the coaxial piece is suitable for accommodating a pipeline and arranged on one side of the clamping piece in the thickness direction of the clamping piece and extends along the thickness direction of the wrench body.
2. The coaxial fitting device according to claim 1, wherein a thickness of the trim member is larger than a thickness of the fastening portion in a thickness direction of the fastening portion.
3. The coaxial fitting device according to claim 1, wherein the coaxial member is formed as an arc-shaped plate.
4. The coaxial fitting device of claim 3, wherein the central angle of the inner circumferential wall of the coaxial member ranges from 120 degrees to 180 degrees.
5. The coaxial fitting device according to claim 1, wherein an inner peripheral wall of the coaxial member is provided with a plurality of ribs extending in an axial direction thereof.
6. The coaxial fitting apparatus according to claim 1, wherein the coaxial member and the trim member are integrally formed.
7. The coaxial assembling device according to claim 6, wherein the coaxial member, the trim member and the wrench body are formed as an integrally formed member.
8. The coaxial fitting device according to claim 1, characterized in that the length h of said coaxial elements is comprised between 8mm and 15mm.
9. A coaxial fitting arrangement according to any one of claims 1-8, characterized in that the entry opening of the second fitting space is provided with a guide surface extending obliquely towards the center of the second fitting space.
10. The coaxial fitting device according to claim 9, wherein opposite side walls of the entrance of the second fitting space extend obliquely toward each other in a direction toward a center of the second fitting space to define the guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196763.0U CN218052452U (en) | 2022-08-19 | 2022-08-19 | Coaxial assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196763.0U CN218052452U (en) | 2022-08-19 | 2022-08-19 | Coaxial assembling device |
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| Publication Number | Publication Date |
|---|---|
| CN218052452U true CN218052452U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196763.0U Active CN218052452U (en) | 2022-08-19 | 2022-08-19 | Coaxial assembling device |
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| Country | Link |
|---|---|
| CN (1) | CN218052452U (en) |
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- 2022-08-19 CN CN202222196763.0U patent/CN218052452U/en active Active
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