CN212486807U - Carbon fiber heating rod - Google Patents
Carbon fiber heating rod Download PDFInfo
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- CN212486807U CN212486807U CN202021375301.XU CN202021375301U CN212486807U CN 212486807 U CN212486807 U CN 212486807U CN 202021375301 U CN202021375301 U CN 202021375301U CN 212486807 U CN212486807 U CN 212486807U
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Abstract
The utility model relates to the field of electric heating, and provides a carbon fiber heating rod which comprises a first shell, a second shell, a carbon fiber heating pipe and at least two first buffer parts, wherein the first shell and the second shell are distributed along a first direction, and the carbon fiber heating pipe is arranged between the first shell and the second shell; the carbon fiber heating pipe comprises a connecting section and at least two straight sections extending along the second direction, the straight sections are distributed at intervals along a third party and connected by the connecting section, and the first direction, the second direction and the third direction are intersected in pairs; the first buffer part is provided with a through hole, at least two of the straight extension sections are respectively connected with the first buffer part, the same first buffer part is only connected with one of the straight extension sections, the straight extension section connected with the first buffer part is arranged in the through hole corresponding to the first buffer part in a penetrating way, and the first buffer part is extruded between the first shell and the second shell along the first direction. The phenomenon that the carbon fiber heating pipe is broken off can not occur, and the yield of the carbon fiber heating rod is favorably improved.
Description
Technical Field
The utility model relates to an electrical heating technical field specifically relates to a carbon fiber heating rod.
Background
Chinese utility model with publication number CN210900978U discloses a carbon fiber heating rod, carbon fiber heating pipe has two sections of directly stretching and connects in the linkage segment between two sections of directly stretching in this scheme, and the linkage segment is connected in the one end of section of directly stretching on length direction, and the linkage segment is connected with two sections of directly stretching and is formed the carbon fiber heating pipe of U-shaped.
At the U-shaped open end, two straight sections of the carbon fiber heating pipe are fixed by the same elastic sleeve, and the two straight sections penetrate through the two through holes of the elastic sleeve in a one-to-one correspondence manner.
At the U-shaped bottom end, the connecting section is fixed by two semi-elastic buckles in an extrusion mode, the two semi-elastic buckles enclose a round hole, and the bending portion of the carbon fiber heating pipe penetrates through the round hole.
However, when the carbon fiber heating rod is assembled in production, the carbon fiber heating tube is easily broken, and the connecting section is easily and obviously tilted upwards, so that the installation of the shell cannot be completed.
Disclosure of Invention
The utility model aims at providing a be favorable to avoiding cracked carbon fiber heating rod of carbon fiber heating pipe.
In order to achieve the above object, the carbon fiber heating rod provided by the present invention comprises a first shell, a second shell, a carbon fiber heating pipe and at least two first buffering members, wherein the first shell and the second shell are distributed along a first direction, and the carbon fiber heating pipe is installed between the first shell and the second shell; the carbon fiber heating pipe comprises a connecting section and at least two straight sections extending along the second direction, the straight sections are distributed at intervals along a third party and connected by the connecting section, and the first direction, the second direction and the third direction are intersected in pairs; the first buffer part is provided with a through hole, at least two of the straight extension sections are respectively connected with the first buffer part, the same first buffer part is only connected with one of the straight extension sections, the straight extension section connected with the first buffer part is arranged in the through hole corresponding to the first buffer part in a penetrating way, and the first buffer part is extruded between the first shell and the second shell along the first direction.
From top to bottom, the utility model discloses a structural design to carbon fiber heating rod for in carbon fiber heating rod production assembling process, first bolster can not be because of receiving the extrusion of first casing and second casing in the installation, and exert the extrusion force to each directly stretching section in the third direction, the carbon fiber heating pipe can not appear and broken phenomenon off with the fingers and thumb, is favorable to promoting carbon fiber heating rod's yields.
The utility model discloses in, preferred first direction, second direction, third direction mutually perpendicular.
One preferred scheme is that the straight extension section has two, and the linkage segment is located the one end along the second direction of two straight extension sections, and the linkage segment is connected with two straight extension sections and is formed the carbon fiber heating pipe of U-shaped.
Another preferred scheme is that a glue filling groove is formed in the first shell, and the glue filling groove is located on one side, back to the connecting section, of the first buffer piece along the second direction.
It is from top to bottom visible, be favorable to promoting the sealing performance of electricity connection through being the encapsulating recess encapsulating, make the utility model discloses a carbon fiber heating rod can be applied to the environment under water.
The first shell is provided with a rib plate which is enclosed into a glue filling groove, and the rib plate protrudes towards the second shell along the first direction; a notch is formed in one end, close to the connecting section, of the rib plate in the second direction, the straight extending section penetrates through the notch, an installation groove is formed in the position, close to the notch, of the rib plate, and the first buffer piece is embedded in the installation groove; along the second direction, the first buffer piece is abutted with the rib plate; and a gap is formed between the first buffer piece and the rib plate along the third direction.
As can be seen from the above, the mounting groove is formed at the notch instead of separately providing the mounting groove, which is advantageous to simplify the structure of the first housing; the first buffer piece is abutted against the rib plate in the second direction, so that the glue-pouring groove can be ensured not to leak glue in the glue-pouring process; through keeping somewhere the clearance in the third direction at first bolster and gusset, can satisfy the deformation of first bolster when receiving the extrusion for the assembly can be accomplished smoothly to the carbon fiber heating rod.
Still another preferred scheme is that the damping device further comprises a second damping member and a third damping member, wherein the second damping member is fixed with the first shell, and the second damping member is fixed with the second shell; along the first direction, at least one connecting section is extruded between the second buffer piece and the third buffer piece.
The further proposal is that the connecting section is in a bending shape; the second buffer piece is projected along the third direction, and a projection contour line of one end, close to the connecting section, of the second buffer piece along the first direction is perpendicular to the first direction; and/or the third buffer piece is projected along a third direction, and a projected contour line of one end, close to the connecting section, of the third buffer piece along the first direction is perpendicular to the first direction.
As can be seen from the above, the end (the Z-axis positive end in the embodiment) of the second buffer member defined in the present embodiment, which is close to the connecting section along the first direction, may be a plane of the normal line along the first direction, or may be a plane or a curved surface continuously extending along any direction perpendicular to the first direction, as long as it is ensured that the Z-axis coordinate values of the highest points of the Z-axis positive ends of the second buffer member at various positions in the extending direction thereof are the same; no matter which position contact of linkage segment and second bolster Z axle forward end like this, the position homogeneous phase of linkage segment on the first direction is favorable to reducing the cooperation required precision of second bolster, linkage segment and third bolster, is favorable to reducing the degree of difficulty of second bolster, linkage segment and third bolster cooperation installation, is favorable to promoting the yields of carbon fiber heating rod.
The other end surface of the second buffer piece close to one end of the connecting section along the first direction extends along the second direction; an end face of the third cushion member near one end of the connecting section in the first direction extends in the second direction.
A first buffer space is formed between the second buffer part and the first shell, and the first buffer space is positioned on one side of the connecting section along the first direction; a second buffer space is formed between the third buffer piece and the second shell, and the second buffer space is located on one side, along the first direction, of the connecting section.
It is thus clear that first buffering space can provide the space of stepping down for the deformation of second bolster, can adapt to connecting portion and have the beat of certain degree in the first direction, and in the same way, second buffering space can provide the space of stepping down for the deformation of third bolster, can adapt to connecting portion and have the beat of certain degree in the first direction.
The first shell is provided with a first bulge, the first bulge protrudes towards the second shell along the first direction, and the second buffer piece is sleeved on the first bulge; the middle part of the first bulge along the second direction is provided with a groove which is recessed along the first direction and back to the second shell.
The second shell is provided with a second bulge, the second bulge protrudes towards the first shell along the first direction, and the third buffer piece is sleeved on the second bulge; the middle part of the second bulge along the second direction is provided with a groove which is recessed along the first direction and back to the first shell.
Drawings
Fig. 1 is an exploded view of an embodiment of a carbon fiber heating rod of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of a second buffer member in an embodiment of the carbon fiber heating rod of the present invention;
FIG. 4 is a schematic diagram of a first housing in an embodiment of a carbon fiber heating rod of the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
fig. 6 is a structural diagram of a carbon fiber heating tube in an alternative embodiment of the carbon fiber heating rod of the present invention.
Detailed Description
Fig. 1 to 5 of this embodiment use a unified spatial rectangular coordinate system to represent the orientation relationship, where the Z-axis direction is a first direction, the X-axis direction is a second direction, and the Y-axis direction is a third direction.
Referring to fig. 1, the carbon fiber heating rod of the present embodiment includes a first casing 1, a second casing 2, a carbon fiber heating pipe 3, a first buffer 4, a second buffer 5, and a third buffer 6.
The first shell 1, the carbon fiber heating pipe 3 and the second shell 2 are distributed along the Z-axis forward direction in sequence, the first shell 1 and the second shell 2 enclose an installation cavity, and the carbon fiber heating pipe 3 is installed in the installation cavity.
Referring to fig. 1 and 2, a rib plate 11 enclosing a glue filling groove 12 is arranged on the positive Z-axis side of the first housing 1, the rib plate 11 extends from the main body of the first housing 1 along the positive Z-axis direction, the glue filling groove 12 and the rib plate 11 are both arranged at the negative X-axis end of the first housing 1, the positive X-axis end of the rib plate 11 is provided with two notches 13, the two notches 13 are distributed along the Y-axis direction, the notches 13 penetrate through the rib plate 11 along the X-axis direction, and the rib plate 11 is respectively provided with mounting grooves 14 at the two notches 13.
Specifically, referring to fig. 2, the rib plate 11 has two layers of plates 111 spaced apart along the X-axis direction on both sides of the notch 13 in the Y-axis direction, and a mounting groove 14 is formed between the two layers of plates 111 spaced apart.
Referring to fig. 1, the carbon fiber heating pipe 3 includes two straight sections 31 and a connecting section 32, the connecting section 32 is curved, the connecting section 32 is connected to the X-axis positive ends of the two straight sections 31, the connecting section 32 is connected to the two straight sections 31 to form the U-shaped carbon fiber heating pipe 3, the connecting section 32 is located on the X-axis positive side of the rib plate 11, the two straight sections 31 correspond to the two notches 13 one-to-one, the X-axis negative end of the straight section 31 extends into the glue filling groove 12 through the corresponding notch 13, and the straight sections 31 are electrically connected in the glue filling groove 12.
The quantity of first bolster 4 is two, and first bolster 4 has the perforating hole that link up along the X axle direction, and two sections 31 of directly stretching are connected with two first bolsters 4 one-to-one, and the section 31 of directly stretching passes the perforating hole that corresponds first bolster 4, and first bolster 4 inlays in the mounting groove 14 that corresponds breach 13 department, along the Z axle direction, and first bolster 4 extrudees between first casing 1 and second casing 2.
Preferably, the first cushion member 4 and the rib plate 11 are pressed against each other in the X-axis direction, and the first cushion member 4 and the rib plate 11 have a gap 141 (see fig. 2) in the Y-axis direction, that is, the first cushion member 4 and the groove wall of the corresponding mounting groove 14 are pressed against each other in the X-axis direction, and the first cushion member 4 and the groove wall of the corresponding mounting groove 14 have a gap 141 in the Y-axis direction.
In the prior art, the same elastic sleeve (similar to the case that the two first buffer members 4 of the present embodiment are integrated) is used to connect the two straight extension sections, and the dimension of the two through holes of the elastic sleeve in the direction of the interval between the two straight extension sections may not match the dimension of the interval between the two straight extension sections, so that the carbon fiber heating pipe is easily deformed in the direction of expanding or contracting the U-shaped opening by the cooperation of the elastic sleeve and the carbon fiber heating pipe, and the carbon fiber heating pipe is broken off when being installed in cooperation with the elastic sleeve; and when the elastic sleeve is extruded by the shell, the elastic sleeve is easy to deform towards the direction of expanding the U-shaped opening of the carbon fiber heating pipe, so that the carbon fiber heating pipe is broken due to excessive deformation.
In the embodiment, the two straight extension sections 31 are respectively connected with the first buffer member 4, and each first buffer member 4 is only connected with one of the straight extension sections 31, so that when the first buffer member 4 is extruded by the first shell 1 and the second shell 2 in the Z-axis direction to deform, the first buffer member 4 does not apply a force between the straight extension sections 31 in the Y-axis direction, and the carbon fiber heating pipe 3 is not broken by force.
In addition, since the first buffer member 4 and the rib plate 11 have the gap 141 in the Y-axis direction, the first buffer member 4 can deform in the Y-axis direction when being pressed in the Z-axis direction by the first casing 1 and the second casing 2, and further, since the first buffer member 4 and the rib plate 11 are pressed against each other in the X-axis direction, the glue filling groove 12 is not easily leaked from between the first buffer member 4 and the rib plate 11 when the glue filling groove 12 is filled with glue.
Referring to fig. 3 to 5, the first housing 1 further has a first protrusion 15 protruding toward the Z-axis positive direction on the Z-axis positive direction side, the first protrusion 15 is located at the X-axis positive end of the first housing 1, and a first groove 151 recessed toward the Z-axis negative direction is located at a middle position of the first protrusion 15 along the X-axis direction.
The second buffer member 5 has a third groove 51 (see fig. 3) with a notch facing the negative Z-axis side, the second buffer member 5 is sleeved on the first protrusion 15, the first protrusion 15 is located in the third groove 51, and the first groove 151 enables a first buffer space to be formed between the first protrusion 15 and the second buffer member 5.
The Z-axis negative side of the second housing 2 has a second protrusion (not shown in the drawings) protruding in the Z-axis negative direction, the second protrusion is located at the X-axis positive end of the second housing 2, and a second groove (not shown in the drawings) recessed in the Z-axis positive direction is located at a middle position of the second protrusion in the X-axis direction.
The third cushion member 6 has a fourth groove (not shown in the figure) with a notch facing the Z-axis positive side, the third cushion member 6 is sleeved on the second protrusion, the second protrusion is located in the fourth groove, and the second groove enables a second buffer space to be formed between the second protrusion and the third cushion member 6.
The structure and the matching relationship of the second protrusion and the third buffer 6 can refer to the structure and the matching relationship of the first protrusion 15 and the second buffer 5.
When the carbon fiber heating rod is produced, the first buffer part 4, the second buffer part 5 and the carbon fiber heating pipe 2 are installed on the first shell 1 to form a first combined body, glue is filled into the glue filling groove 12 after the negative X-axis end of the carbon fiber heating pipe 2 is connected, and after the glue is filled and dried, the first combined body and the second shell 2 and the third buffer part 6 are installed to form the carbon fiber heating rod.
The sealing performance of the electric connection part of the carbon fiber heating pipe 3 can be improved by glue pouring, so that the carbon fiber heating rod can be applied to an underwater environment.
In the prior art, the two semi-elastic buckles of the extrusion connecting section are respectively provided with a semi-circular groove, the semi-circular grooves of the two semi-elastic buckles are enclosed into a whole circular groove, and the connecting section is arranged in the whole circular groove, however, because the carbon fiber heating pipe is in a bending shape at the connecting section, the cross section size and curvature of the connecting section are not uniform, and the size parameters of the carbon fiber heating pipe at the connecting section are not completely consistent, which causes that when the carbon fiber heating rod is produced, the matching of the connecting section and the semi-circular groove is easy to generate larger error, the connecting section can not be smoothly arranged at the bottom position of the semi-circular groove, the difficulty of the matching and installation of the connecting section and the semi-elastic buckles is larger, in addition, the contact of the connecting section and other positions of the semi-elastic buckles can cause that the X-axis positive end of the carbon fiber heating pipe is easy to obviously tilted towards the Z-, it may even result in the failure of the two housings to complete the installation, resulting in a failure of the carbon fiber heating rod production assembly.
Therefore, the end face of the Z-axis positive end of the second buffer member 5 is set to be parallel to the X-axis direction in this embodiment, so that no matter which position of the second buffer member 5 in the X-axis direction is in cooperation with the connecting segment 32 for extrusion, the position of the connecting segment 32 in the Z-axis direction will not change, which is beneficial to ensuring the position stability of the connecting segment 32 in the Z-axis direction and avoiding the connecting segment 32 from tilting obviously towards the Z-axis positive direction.
Moreover, since the glue is easy to shrink after drying, which also easily causes the negative X-axis end of the straight extension section 31 to deflect negatively toward the negative Z-axis, and causes the positive X-axis ends of the connection section 32 and the straight extension section 31 to deflect positively toward the positive Z-axis, it is preferable to use an auxiliary component (not shown in the figure) to keep the connection section 32 in a state of contacting with the second buffer 5 during the drying process of the glue, for example, use an elastic rubber ring to bind the negative X-axis end of the straight extension section 31 and the first housing 1 together, and it is needless to say that other prior art means can be used to keep the straight extension section 31 substantially parallel to the X-axis direction during the drying process of the glue.
Of course, after the glue is dried, it still cannot be guaranteed that the extending direction of the straight-extending section 31 is absolutely parallel to the X-axis direction, and the Z-axis negative end of the connecting section 32 and the straight-extending section 31 will have a certain degree of deflection in the Z-axis direction, as long as the deflection degree of the Z-axis negative end of the connecting section 32 and the straight-extending section 31 in the Z-axis direction can be controlled within a reasonable range, so in order to adapt to the moderate deflection of the Z-axis negative end of the connecting section 32 and the straight-extending section 31 in the Z-axis direction, in this embodiment, a first groove 151 is provided on the first protrusion 15, and a second groove is provided on the second protrusion, the first groove 151 forms a buffer space between the first protrusion 15 and the second buffer member 5, and the second groove forms a buffer space between the second protrusion and the third buffer member 6, so that when the X-axis positive end of the connecting section 32 and the straight-extending section 31 has a moderate deflection in the Z-axis direction, the positional change of the connection segment 32 in the Z-axis direction can be accommodated by deforming and yielding the buffer member to the corresponding buffer space.
In addition, the arrangement of the buffer space can also improve the buffer effect of the second buffer member 5 and the third buffer member 6 on the connecting section 32, so that the carbon fiber heating pipe 3 is prevented from being subjected to excessive stress.
Alternatively, in other embodiments of the present invention, the end surface of the second buffer 5 at the Z-axis positive end may also be a plane with a normal line along the Z-axis direction, or the end surface of the Z-axis positive end of the second buffer 5 may also be a curved surface extending along any direction perpendicular to the Z-axis direction, for example, the Z-axis positive end surface of the second buffer 5 is a cylindrical surface with an axis perpendicular to the Z-axis direction.
Alternatively, in other embodiments of the present invention, the mounting groove may be additionally defined by additionally providing a separate rib plate, and the structure of the mounting groove 14 on the rib plate 11 is simpler in this embodiment.
Alternatively, in other embodiments of the present invention, the number of the straight extension sections may also be more than two, and the number of the corresponding connection sections is more than one, for example, as shown in fig. 6, the carbon fiber heating pipe 3 'extends in a serpentine shape along the Y-axis direction, the carbon fiber heating pipe 3' has four straight extension sections 31 'and three curved connection sections 32', at least two straight extension sections 31 'are provided with the first buffer, and at least one connection section 32' is provided with the combination of the second buffer and the third buffer.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. The carbon fiber heating rod comprises a first shell, a second shell and a carbon fiber heating pipe, wherein the first shell and the second shell are distributed along a first direction, and the carbon fiber heating pipe is arranged between the first shell and the second shell;
the carbon fiber heating pipe comprises a connecting section and at least two straight sections extending along a second direction, the straight sections are distributed at intervals along a third party and connected by the connecting section, and the first direction, the second direction and the third direction are intersected in pairs;
the method is characterized in that:
still include two at least first bolster, first bolster has the perforating hole, each at least two in the section of stretching directly are connected with respectively first bolster, it is same first bolster only with one of them the section of stretching directly is connected, is connected with first bolster the section of stretching directly wears to locate in the perforating hole that corresponds first bolster, follows first direction, first bolster be extruded in first casing with between the second casing.
2. The carbon fiber heating rod according to claim 1, characterized in that:
the straight extension section has two, the linkage segment is located two the edge of straight extension section the one end of second direction, the linkage segment with two the straight extension section is connected and is formed the U-shaped carbon fiber heating pipe.
3. The carbon fiber heating rod according to claim 1, characterized in that:
and a glue filling groove is formed in the first shell, and is positioned on one side, back to the connecting section, of the first buffer piece along the second direction.
4. The carbon fiber heating rod according to claim 3, wherein:
the first shell is provided with a rib plate which is enclosed into the glue filling groove, and the rib plate protrudes towards the second shell along the first direction;
a notch is formed in one end, close to the connecting section, of the rib plate in the second direction, the straight extending section penetrates through the notch, an installation groove is formed in the position, close to the notch, of the rib plate, and the first buffer piece is embedded in the installation groove;
along the second direction, the first buffer piece is abutted with the rib plate;
and a gap is formed between the first buffer piece and the rib plate along the third direction.
5. The carbon fiber heating rod according to any one of claims 1 to 4, wherein:
the second buffer part is fixed with the first shell, and the second buffer part is fixed with the second shell;
along the first direction, at least one connecting section is extruded between the second buffer part and the third buffer part.
6. The carbon fiber heating rod according to claim 5, wherein:
the connecting section is bent;
the second buffer piece is projected along the third direction, and a projection contour line of one end, close to the connecting section, of the second buffer piece along the first direction is perpendicular to the first direction; and/or
And the third direction projection is carried out, and the third buffer piece is arranged along the projection contour line, close to one end of the connecting section, of the first direction and is perpendicular to the first direction.
7. The carbon fiber heating rod according to claim 6, wherein:
a distal end face of the second cushion member, which is close to one end of the connecting section in the first direction, extends in the second direction;
an end face of the third cushion member near one end of the connection section in the first direction extends in the second direction.
8. The carbon fiber heating rod according to claim 6, wherein:
a first buffer space is formed between the second buffer piece and the first shell, and the first buffer space is positioned on one side of the connecting section along the first direction;
a second buffer space is formed between the third buffer piece and the second shell, and the second buffer space is positioned on one side of the connecting section along the first direction.
9. The carbon fiber heating rod according to claim 8, wherein:
the first shell is provided with a first bulge, the first bulge protrudes towards the second shell along the first direction, and the second buffer piece is sleeved on the first bulge;
the middle of the first protrusion in the second direction has a groove recessed away from the second housing in the first direction.
10. The carbon fiber heating rod according to claim 8, wherein:
the second shell is provided with a second bulge, the second bulge protrudes towards the first shell along the first direction, and the third buffer piece is sleeved on the second bulge;
the second protrusion has a groove recessed away from the first housing in the first direction at a middle portion in the second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021375301.XU CN212486807U (en) | 2020-07-13 | 2020-07-13 | Carbon fiber heating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021375301.XU CN212486807U (en) | 2020-07-13 | 2020-07-13 | Carbon fiber heating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212486807U true CN212486807U (en) | 2021-02-05 |
Family
ID=74457277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021375301.XU Active CN212486807U (en) | 2020-07-13 | 2020-07-13 | Carbon fiber heating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212486807U (en) |
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2020
- 2020-07-13 CN CN202021375301.XU patent/CN212486807U/en active Active
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