CN209804380U - Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly - Google Patents

Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly Download PDF

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Publication number
CN209804380U
CN209804380U CN201920960941.8U CN201920960941U CN209804380U CN 209804380 U CN209804380 U CN 209804380U CN 201920960941 U CN201920960941 U CN 201920960941U CN 209804380 U CN209804380 U CN 209804380U
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Prior art keywords
screw
circuit board
board top
pin
fuel tank
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CN201920960941.8U
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Chinese (zh)
Inventor
俞天涯
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Haiwei Electronic Technology Shanghai Co Ltd
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Haiwei Electronic Technology Shanghai Co Ltd
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Abstract

the utility model relates to a high pressure fuel tank technical field of high pressure generator, the too big problem that leads to easy oil leak of circuit board top cap subassembly welding screw pin for solving high pressure fuel tank provides a high pressure fuel tank's screw assembly and has its high pressure fuel tank, screw assembly, include: the screw comprises a screw body and a plurality of pins, wherein an internal thread groove is defined on the surface of one side of the screw body, the pins are arranged on the screw body, and the pins are suitable for penetrating through a circuit board top cover of a high-pressure oil tank so as to fix the screw assembly on the circuit board top cover. Through setting up a plurality of pins on the screw body, can reduce the diameter of every pin, at the in-process of screw subassembly welding on the circuit board top cap, every pin corresponds and sets up a little pad, does not have the cracked problem that leads to after the too big cooling of pad, has just also thoroughly solved the oil leak problem among the circuit board top cap welding process, has promoted high-pressure fuel tank's leakproofness.

Description

Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly
Technical Field
the utility model belongs to the technical field of high-pressure oil tank technique of high pressure generator and specifically relates to a screw assembly of high-pressure oil tank and high-pressure oil tank that has it is related to.
background
In the correlation technique, the top cap of the circuit board type of high pressure generator high pressure oil tank, pin terminal are mostly the copper screw, adopt copper screw welded mode to introduce primary winding, or fixed high voltage transformer, and the pad is great among the copper screw welding process, and soldering tin cooling back, soldering tin takes place chapping easily, leads to the oil leak.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the too big problem that leads to easy oil leak of circuit board top cap subassembly welding screw pin of high-pressure fuel tank, provide a screw assembly of high-pressure fuel tank, the utility model also provides a high-pressure fuel tank with above-mentioned screw assembly.
According to the utility model discloses high-pressure fuel tank's screw subassembly of first aspect, include: the screw assembly comprises a screw body and a plurality of pins, wherein an internal thread groove is defined on the surface of one side of the screw body, the pins are arranged on the screw body, and the pins are suitable for penetrating through a circuit board top cover of the high-pressure oil tank so as to fix the screw assembly on the circuit board top cover.
According to the utility model discloses high-pressure fuel tank's screw subassembly through set up a plurality of pins on the screw body, can reduce the diameter of every pin, at the in-process of screw subassembly welding on the circuit board top cap, every pin corresponds and sets up a little pad, does not have the soldering tin problem of checking a crack that leads to after the too big cooling of pad, has just also thoroughly solved the oil leak problem among the circuit board top cap welding process, has promoted high-pressure fuel tank's seal.
According to the utility model discloses an embodiment, the pin is 8 at least, and is a plurality of the pin is multirow multiseriate and distributes.
According to the utility model discloses an embodiment, the screw body is with a plurality of pin integrated into one piece.
according to the utility model discloses high-pressure oil tank of second aspect, include: according to the screw assembly of the high-voltage oil tank, the circuit board top cover and the high-voltage transformer in the embodiment, the circuit board top cover is provided with the plurality of pin holes, the plurality of pins are correspondingly inserted into the plurality of pin holes one by one, and the pins are in interference fit with the pin holes.
according to an embodiment of the present invention, a primary winding is provided in the high voltage transformer, and the primary winding is connected to the internal thread groove.
According to the utility model discloses an embodiment, the pin is established the screw body is back to on a side surface of internal thread groove, just the extending direction of pin with the central axis of internal thread groove is parallel.
According to the utility model discloses an embodiment, high-pressure fuel tank still includes: the connecting plate is connected to the inner thread groove of the screw assembly through a bolt, and the connecting plate is used for connecting the high-voltage transformer to the circuit board top cover assembly.
According to an embodiment of the present invention, the pin is provided on a side surface of the screw body adjacent to the internal thread groove.
according to the utility model discloses an embodiment, the screw body includes: welding part and installation department, the pin is established on the welding part, the installation department is connected the back of welding part is to on one side surface of pin, the internal thread groove is established on the installation department.
according to the utility model discloses an embodiment, the screw subassembly is two, is first screw subassembly and second screw subassembly respectively, the internal thread groove of first screw subassembly is established first screw subassembly is in a reverse side one side of second screw subassembly, the internal thread groove of second screw subassembly is established second screw subassembly is in a reverse side one side of first screw subassembly.
According to an embodiment of the utility model, the connecting plate forms to the U-shaped sheet metal component, the connecting plate includes: connecting portion, first splice bar and second splice bar, connecting portion are followed first screw subassembly arrives the direction of second screw subassembly extends, high-voltage transformer of high-pressure fuel tank is suitable for to be connected on the connecting portion, first splice bar is connected the one end of connecting portion and with connecting portion set up perpendicularly, be formed with on the first splice bar with the first mounting hole of first screw subassembly's internal thread groove complex, the second splice bar is connected the other end of connecting portion and with connecting portion set up perpendicularly, be formed with on the second splice bar with the internal thread groove complex second mounting hole of second screw subassembly.
according to the utility model discloses an embodiment, first splice bar with the last border of second splice bar all follows the lower surface of circuit board top cap extends, just first splice bar with the last border butt of second splice bar the lower surface of circuit board top cap.
Drawings
Fig. 1 is a schematic structural diagram of a high-pressure oil tank according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken from the center of FIG. 1;
Fig. 3 is a schematic structural diagram of a screw assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of another angle of the structure of FIG. 3;
Fig. 5 is a schematic structural diagram of a screw assembly according to another embodiment of the present invention.
In the figure:
100: a high-pressure oil tank;
10: a screw assembly; 11: a screw body; 12: a pin; 13: an internal thread groove; 14: welding the part; 15: an installation part; 16: a first screw assembly; 17: a second screw assembly;
20: a circuit board top cover; 30: a high voltage transformer; 31: a primary winding;
40: a connecting plate; 41: a connecting portion; 42: a first connecting rib; 43: and a second connecting rib.
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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The screw assembly 10 of the high-pressure fuel tank 100 and the high-pressure fuel tank 100 having the same according to the embodiment of the present invention will be described with reference to fig. 1 to 5.
according to the utility model discloses high-pressure oil tank 100, include: the high-voltage transformer comprises a shell, a screw assembly 10, a circuit board top cover 20 and a high-voltage transformer 30, wherein one side of the shell is opened to define a mounting cavity, the circuit board top cover 20 and the shell are used for sealing the mounting cavity, the shell can be formed into a cylindrical shape or a square column shape, the screw assembly 10 is mounted on the circuit board top cover 20 and is used for fixing the high-voltage transformer 30 on the circuit board top cover 20 or electrically connecting circuits on the circuit board top cover 20, the screw assembly 10 can also be used for electrically connecting electric elements outside the shell and electric elements inside the shell, such as a lead wire outside the shell, a primary winding 31 or a secondary winding inside the shell, and the screw assembly 10 can be used as a binding post of the.
First, a screw assembly 10 according to an embodiment of the present invention is described with reference to fig. 3 to 5, including: the high-voltage oil tank comprises a screw body 11 and a plurality of pins 12, wherein an internal thread groove 13 is defined on one side surface of the screw body 11, and the internal thread groove 13 is suitable for connecting with an electric element outside or inside the high-voltage oil tank 100 and can also be used for fixing a split part on the high-voltage oil tank 100. The electric element can be fixed or electrically connected in the internal thread groove 13 by bolts or screws. The pin 12 is disposed on the screw body 11, the pin 12 may be disposed on any other surface of the screw body 11 except for the inner thread groove 13, and the pin 12 is used to penetrate the circuit board top cover 20 to fix the screw assembly 10 on the circuit board top cover 20.
Specifically, a plurality of pin 12 holes are formed in the circuit board top cover 20, the number of the pin 12 holes is the same as that of the pin 12 holes, the plurality of pins 12 are inserted into the plurality of pin 12 holes in a one-to-one correspondence, the outer peripheral wall of the pin 12 is in sealing abutting contact with the inner peripheral wall of the pin 12 hole, wherein the pin 12 is in interference fit with the pin holes, the high-voltage transformer 30 is connected to the internal thread groove 13 of the screw assembly 10, and can be screwed into the internal thread groove 13 by using a screw or a bolt penetrating through the high-voltage transformer 30, so that the high-voltage transformer 30 is fixed or electrically connected, and the assembly stability of the pin 12 can be.
From this, according to the utility model discloses high-pressure fuel tank 100's screw subassembly 10 through set up a plurality of pins 12 on screw body 11, can reduce the diameter of every pin 12, at the in-process of screw subassembly 10 welding on circuit board top cap 20, every pin 12 corresponds and sets up a little pad, does not have the cracked problem that leads to after the too big cooling of pad, has just also thoroughly solved the oil leak problem among the circuit board top cap 20 welding process, has promoted high-pressure fuel tank 100's seal.
According to the utility model discloses an embodiment, pin 12 is 8 at least, and a plurality of pins 12 are multirow multiseriate and distribute, as shown, pin 12 can set 16 to, is four rows of distributions, can promote screw subassembly 10 and circuit board top cap 20's cooperation stability.
According to the utility model discloses an embodiment, screw body 11 and a plurality of pin 12 integrated into one piece, integrated into one piece's screw subassembly 10, structural stability and functional stability are stronger, be favorable to prolonging screw subassembly 10's life, and screw body 11 can once only be cast or die-casting shaping with pin 12 in the course of working, production efficiency is higher, be favorable to reduction in production cost, furthermore, the connection structure between screw body 11 and pin 12 has been eliminated, the joint strength between screw body 11 and pin 12 has been promoted, can also eliminate the connection process in the assembling process, be favorable to promoting screw subassembly 10's assembly efficiency.
According to the utility model discloses high-pressure oil tank 100 through the screw subassembly 10 that adopts above-mentioned structure, can promote high-pressure oil tank 100's seal, has thoroughly solved high-pressure oil tank 100 because of the oil leak problem that pin 12 welding leads to.
as shown in fig. 1, according to an embodiment of the present invention, a primary winding 31 is disposed in the high voltage transformer 30, and the primary winding 31 is connected to the female thread groove 13. Specifically, the high-voltage transformer 30 includes: a primary winding 31 and a secondary winding, generally having a plurality of secondary windings, wherein the input end of the primary winding 31 is connected to an external circuit through the circuit board top cover 20, the primary winding 31 is connected to the internal thread groove 13, and the high voltage transformer 30 is electrically connected through the screw assembly 10.
By connecting the primary winding 31 through the internal thread groove 13, not only can the circuit connection of the primary winding 31 be realized, but also the oil leakage phenomenon at the joint can be prevented, and the performance of the high-pressure oil tank 100 is improved.
As shown in fig. 3, in some embodiments, the pin 12 is disposed on a side surface of the screw body 11 facing away from the internal thread groove 13, and the extending direction of the pin 12 is parallel to the central axis of the internal thread groove 13, that is, the pin 12 and the internal thread groove 13 are disposed on two opposite surfaces of the screw body 11, and when the pin 12 is connected to the circuit board top cover 20, the internal thread groove 13 is disposed facing the circuit board top cover 20, which can provide convenience for assembling and connecting the primary winding 31.
As shown in fig. 1 and 2, in the present embodiment, the high-pressure oil tank 100 further includes: and the connecting plate 40 is connected to the internal thread grooves 13 of the screw assemblies 10 through bolts, the connecting plate 40 is connected to one side of the circuit board top cover 20 facing the mounting cavity, and the connecting plate 40 is used for connecting the high-voltage transformer 30 to the circuit board top cover 20 assembly. The assembly of the high-voltage transformer 30 is facilitated by the connecting plate 40, so that the assembly efficiency of the high-voltage transformer 30 can be improved, and the assembly stability of the high-voltage transformer 30 can be improved.
According to the utility model discloses an embodiment, pin 12 is established on a side surface of screw body 11 neighbouring internal thread groove 13, and when pin 12 pegged graft on circuit board top cap 20, internal thread groove 13 is located screw body 11 neighbouring circuit board top cap 20's lateral wall, and connecting plate 40 is connected in internal thread groove 13, and stability is stronger.
As shown in fig. 5, in some embodiments, the screw body 11 includes: a soldering portion 14 and a mounting portion 15, wherein the lead 12 is disposed on the soldering portion 14, the mounting portion 15 is connected to a surface of the soldering portion 14 on a side opposite to the lead 12, that is, the lead 12 and the mounting portion 15 are respectively disposed on two opposite surfaces of the soldering portion 14, and the female screw groove 13 is disposed on the mounting portion 15, wherein the female screw groove 13 can penetrate the mounting portion 15 in a thickness direction of the mounting portion 15, and the mounting portion 15 extends in a direction perpendicular to the circuit board top cover 20 when the lead 12 is mounted on the circuit board top cover 20.
The thickness of the mounting portion 15 is smaller than the extension of the soldering portion 14 in the thickness direction of the mounting portion 15, that is, the outer profile of the screw body 11 is formed into an L-shaped structure, and the soldering portion 14, the mounting portion 15 and the plurality of leads 12 are integrally formed.
Utilize welding part 14 to fix screw body 11 on circuit board top cap 20 steadily, utilize the internal thread groove 13 on the installation department 15 to connect the connecting plate 40, not only can promote screw body 11 and circuit board top cap 20 complex stability, can also promote the cooperation stability of connecting plate 40 and screw body 11, and then promote the connection stability between connecting plate 40 and circuit board top cap 20.
As shown in fig. 1, according to an embodiment of the present invention, the number of the screw assemblies 10 is two, namely, the first screw assembly 16 and the second screw assembly 17, the internal thread groove 13 of the first screw assembly 16 is disposed on a side of the first screw assembly 16 facing away from the second screw assembly 17, and the internal thread groove 13 of the second screw assembly 17 is disposed on a side of the second screw assembly 17 facing away from the first screw assembly 16.
by arranging the first screw assembly 16 and the second screw assembly 17 and connecting one end of the connecting plate 40 to the first screw assembly 16 by using a screw or a bolt and connecting the other end to the second screw assembly 17, not only the connection stability of the connecting plate 40 can be improved, but also the connecting plate 40 can be prevented from rotating relative to the screw or the bolt.
As shown in fig. 1, according to an embodiment of the present invention, the connecting plate 40 is formed as a U-shaped sheet metal part, and the connecting plate 40 includes: connecting portion 41, first splice bar 42 and second splice bar 43, connecting portion 41 extends to second screw subassembly 17's direction along first screw subassembly 16, the high-voltage transformer 30 of high-pressure fuel tank 100 is suitable for to connect on connecting portion 41, first splice bar 42 is connected at connecting portion 41 one end and is set up perpendicularly with connecting portion 41, be formed with the first mounting hole with the internal thread groove 13 complex of first screw subassembly 16 on the first splice bar 42, the other end at connecting portion 41 and the perpendicular setting with connecting portion 41 are connected to the second splice bar 43, be formed with the second mounting hole with the internal thread groove 13 complex of second screw subassembly 17 on the second splice bar 43.
in other words, the first screw member 16 and the second screw member are both disposed inside the U-shaped connecting plate 40, and the internally threaded groove 13 on the first screw member 16 is disposed toward the first mounting hole of the first connecting rib 42, and the internally threaded groove 13 on the second screw member 17 is disposed toward the second mounting hole on the second connecting rib 43. The connecting plate 40 and the screw assembly 10 with the structure have strong matching stability, and the connecting plate 40 can be prevented from loosening relative to the screw assembly 10.
Wherein, connecting portion 41, first splice bar 42 and second splice bar 43 integrated into one piece can adopt the sheet metal shaping of bending, can the die-casting shaping, and structural strength is big, and stability is strong, and assembly efficiency is high.
further, the upper edge of the first connecting rib 42 and the upper edge of the second connecting rib 43 extend along the lower surface of the circuit board top cover 20, and the upper edge of the first connecting rib 42 and the upper edge of the second connecting rib 43 abut against the lower surface of the circuit board top cover 20, wherein the length of the upper edge of the first connecting rib 42 and the length of the upper edge of the second connecting rib 43 are both greater than 30mm, the width is greater than 1.5mm, the upper surface of the first connecting rib 42 is formed into a rectangle which is attached to the lower surface of the circuit board top cover 20 and is 30mm × 1.5mm, the upper surface of the second connecting rib 43 is formed into a rectangle which is attached to the lower surface of the circuit board top cover 20, the two ends of the upper edge of the first connecting rib 42 are both abutted against the lower surface of the circuit board top cover 20, the two ends of the upper edge of the first connecting rib 42 and the screw between the first connecting rib 42 and the screw assembly 10 form a triangle, the two ends of the upper edge of the second connecting rib 43 and the screw between the second connecting rib 43 and the triangle assembly 10 form a Accordingly, the connection plate 40 can be prevented from rotating relative to the bolt between the connection plate 40 and the screw assembly 10, the stability of the assembly of the connection plate 40 is improved, and the stability of the assembly of the high voltage transformer 30 can be improved.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (12)

1. The utility model provides a screw subassembly of high-pressure fuel tank which characterized in that: the method comprises the following steps:
A screw body (11), an internal thread groove (13) being defined on one side surface of the screw body (11);
the screw component comprises a plurality of pins (12), wherein the pins (12) are arranged on the screw body (11), and the pins (12) are suitable for penetrating through a circuit board top cover (20) of the high-pressure oil tank (100) so as to fix the screw component (10) on the circuit board top cover (20).
2. The screw assembly of a high-pressure oil tank is characterized in that the number of the pins (12) is at least 8, and a plurality of the pins (12) are distributed in a plurality of rows and a plurality of columns.
3. Screw assembly of a high-pressure tank according to claim 2, characterized in that said screw body (11) is integrally formed with a plurality of said pins (12).
4. A high-pressure fuel tank, comprising:
-a screw assembly (10) of a high-pressure fuel tank (100) according to any one of claims 1 to 3;
The circuit board top cover (20), a plurality of pin (12) holes are formed on the circuit board top cover (20), the pins (12) are correspondingly inserted into the pin (12) holes one by one, and the pins (12) are in interference fit in the pin holes;
the high-voltage transformer (30), the high-voltage transformer (30) is connected on the internal thread groove (13) of the screw component (10).
5. A high-voltage fuel tank according to claim 4, characterized in that a primary winding (31) is arranged in the high-voltage transformer (30), the primary winding (31) being connected to the internally threaded groove (13).
6. A high-pressure fuel tank according to claim 5, characterized in that the pin (12) is provided on a side surface of the screw body (11) facing away from the internally threaded groove (13), and the pin (12) extends in a direction parallel to a central axis of the internally threaded groove (13).
7. The high-pressure fuel tank as claimed in claim 4, further comprising:
the connecting plate (40) is connected to the internal thread groove (13) of the screw component (10) through bolts, and the connecting plate (40) is used for connecting the high-voltage transformer (30) to the circuit board top cover (20) component.
8. The high-pressure fuel tank as claimed in claim 7, characterized in that the pin (12) is provided on a side surface of the screw body (11) adjacent to the internally threaded groove (13).
9. high-pressure tank according to claim 8, characterized in that said screw body (11) comprises:
A soldering portion (14), the lead (12) being provided on the soldering portion (14);
Installation department (15), installation department (15) are connected back to of welding part (14) on a side surface of pin (12), interior thread groove (13) are established on installation department (15).
10. The high-pressure oil tank is characterized in that the number of the screw components (10) is two, namely a first screw component (16) and a second screw component (17), the internal thread groove (13) of the first screw component (16) is arranged on the side, facing away from the second screw component (17), of the first screw component (16), and the internal thread groove (13) of the second screw component (17) is arranged on the side, facing away from the first screw component (16), of the second screw component (17).
11. A high-pressure fuel tank according to claim 10, characterized in that the connecting plate (40) is formed as a U-shaped sheet metal part, the connecting plate (40) comprising:
a connection portion (41), the connection portion (41) extending in a direction from the first screw assembly (16) to the second screw assembly (17), a high voltage transformer (30) of the high voltage oil tank (100) being adapted to be connected to the connection portion (41);
The first connecting rib (42) is connected to one end of the connecting part (41) and is perpendicular to the connecting part (41), and a first mounting hole matched with the internal thread groove (13) of the first screw assembly (16) is formed in the first connecting rib (42);
The second connecting rib (43), the second connecting rib (43) connect the other end of connecting portion (41) and with connecting portion (41) set up perpendicularly, be formed with on second connecting rib (43) with the internal thread groove (13) complex second mounting hole of second screw subassembly (17).
12. The high-pressure fuel tank according to claim 11, wherein the upper edges of the first and second connecting ribs (42, 43) each extend along the lower surface of the circuit board top cover (20), and the upper edges of the first and second connecting ribs (42, 43) abut against the lower surface of the circuit board top cover (20).
CN201920960941.8U 2019-06-25 2019-06-25 Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly Active CN209804380U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920960941.8U CN209804380U (en) 2019-06-25 2019-06-25 Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920960941.8U CN209804380U (en) 2019-06-25 2019-06-25 Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly

Publications (1)

Publication Number Publication Date
CN209804380U true CN209804380U (en) 2019-12-17

Family

ID=68833922

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920960941.8U Active CN209804380U (en) 2019-06-25 2019-06-25 Screw assembly of high-pressure oil tank and high-pressure oil tank with screw assembly

Country Status (1)

Country Link
CN (1) CN209804380U (en)

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