CN111698864A - Fixing mechanism and fixing method for dust cover of automobile electrical box - Google Patents
Fixing mechanism and fixing method for dust cover of automobile electrical box Download PDFInfo
- Publication number
- CN111698864A CN111698864A CN202010723499.4A CN202010723499A CN111698864A CN 111698864 A CN111698864 A CN 111698864A CN 202010723499 A CN202010723499 A CN 202010723499A CN 111698864 A CN111698864 A CN 111698864A
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- Prior art keywords
- hanging
- dust cover
- nose
- clamping
- bow
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention discloses a fixing mechanism and a fixing method for a dust cover of an automobile electrical box, and aims to solve the technical problems that an existing fixing mechanism is inconvenient to use and unstable in fixing effect. The automobile electric appliance box comprises a hanging lug, a hanging nose, a clamping bow and a clamping table, wherein the hanging lug is fixed on the side surface of a dust cover, the clamping table is fixed on an automobile electric appliance box body and is arranged corresponding to the hanging lug, the clamping table comprises a horizontal groove and a vertical groove, the hanging nose comprises a horizontal clamping part matched with the horizontal groove and a hanging nose body matched with the vertical groove, and the clamping bow is arranged in a gap between the hanging nose and the vertical groove and used for blocking the horizontal displacement of the hanging nose. The invention has the beneficial effects that: the fixing is firm and stable, and the installation and the disassembly are convenient.
Description
Technical Field
The invention relates to the technical field of automobile electrical boxes, in particular to a fixing mechanism and a fixing method for a dust cover of an automobile electrical box.
Background
The electrical box is the core of the automobile electrical control part, and due to the sealing requirement, a circuit board in the electrical box is covered by a transparent cover arranged on the top surface, but in consideration of the problems of assembly and maintenance, the transparent cover cannot be integrally formed with the box body, and is connected in a buckling mode which is easier to disassemble.
Current buckle mechanism includes the draw-in groove of side and rather than the complex latch, latch and couple integrated into one piece, need push the latch into the draw-in groove hard to use, because can not become flexible between draw-in groove and the couple so leave the installation space of couple very narrow and small, need very big power could the lock, all use big power to force its deformation when installing and dismantling moreover, harm the device easily. Furthermore, this approach is prone to rattle and even more likely to break the connection.
Disclosure of Invention
The invention provides a fixing mechanism and a fixing method for a dust cover of an automobile electrical box, and aims to solve the technical problems that an existing fixing mechanism is inconvenient to use and unstable in fixing effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a fixed establishment of car electrical apparatus box dust cover for connect car electrical apparatus box body and dust cover, including the hangers, hang the nose, the card bow, the ka tai, the hangers is fixed in the side of dust cover, the ka tai is fixed in on the car electrical apparatus box body and corresponds the setting with the hangers, the card platform includes horizontal recess and perpendicular recess, hang the nose include with horizontal recess complex horizontal joint portion and with perpendicular recess complex hang the nose body, the card bow is installed in the clearance between hanging nose and perpendicular recess, be used for blockking the horizontal displacement who hangs the nose.
Preferably, the electrical box body comprises a first plane and a second plane which are perpendicular to each other, and the clamping table comprises the first plane, the second plane and three side surfaces which are arranged on the first plane, the second plane and the clamping table in a surrounding mode.
Preferably, the side surface of the clamping table is provided with an opening for installing the clamping bow, the opening is provided with a protrusion, and the clamping bow is provided with a clamping tooth meshed with the protrusion.
Preferably, the clamping bow further comprises a cross beam and a vertical panel, and the clamping teeth and the vertical panel are fixed on the cross beam in parallel.
Preferably, the horizontal clamping portion of the hanging nose comprises a transverse plate and a reinforcing rib for fixing the transverse plate.
Preferably, the upper portion of hanging the nose be equipped with hangers complex string window, the top of hanging the nose is located the top of hanging the window and is equipped with the kink, is equipped with fixed floor on this kink.
Preferably, the front end of the hanging lug is provided with a strip-shaped protrusion, and the hanging window of the hanging nose is provided with a stop block meshed with the strip-shaped protrusion.
A method for fixing the dustproof cover of the automobile electrical box is also designed, and comprises the following steps:
step 1: inserting the hanging nose into the vertical groove;
step 2: slightly pushing the hanging nose to move the horizontal clamping part of the hanging nose into the horizontal groove;
and step 3: keeping the nose immovable, and placing the clamping bow in the vertical groove;
and 4, step 4: pressing the clamping bow to fix the clamping bow in the vertical groove;
and 5: repeating the steps 1-4, and fixing all the hanging noses in the clamping table;
step 6: the dust cover is buckled on the automobile electrical box body, and the nose is hung on the hanging lugs in sequence to complete the fixation of the dust cover.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the hanging nose is firmly fixed, the hanging nose is locked in the vertical direction through the matching between the horizontal groove of the clamping table and the horizontal clamping part of the hanging nose, the hanging nose is locked in the horizontal direction through the clamping bow arranged in the vertical groove of the clamping table, and the locking structures in the directions support each other, so that the installation tightness of the hanging nose is greatly improved.
2. The invention has convenient operation, the hook and the buckle of the electric appliance box body do not rely on strong extrusion deformation, but adopt step-by-step installation, firstly push the hook into the horizontal groove, then install the clamping bow in the vertical groove, the installation process does not need extrusion deformation, and the invention is not only convenient but also not easy to damage.
3. The invention has strong stability, and because the installation does not depend on the deformation of the hanging nose for installation, the hanging nose can not fall off due to the deformation of the hanging nose in the using process, thereby being safer.
Drawings
FIG. 1 is an exploded view of the dust cover of the electrical box of the present invention.
Fig. 2 is a schematic structural view of the dust cover of the present invention.
Fig. 3 is a schematic structural view of the hanging nose of the present invention.
Fig. 4 is a schematic structural diagram of the clip of the present invention.
FIG. 5 is a schematic structural diagram of a chuck of the present invention.
Fig. 6 is a schematic view of a fixing structure in the prior art.
Fig. 7 is a schematic view of another fixing structure in the prior art.
Fig. 8 is a schematic structural view of the hanging nose of fig. 7.
Fig. 9 is a schematic structural view of the card slot in fig. 7.
In the figure, 1 is a dust cover, 2 is a hanging lug, 3 is a hanging nose, 31 is a hanging window, 32 is a transverse plate, 33 is a fixed rib, 34 is a stop block, 4 is a clamping bow, 41 is a clamping tooth, 42 is a vertical panel, 5 is an electrical box body, 51 is a clamping table side wall, 52 is a clamping table protrusion, 53 is a horizontal groove, 54 is a vertical groove, 101 is a dust cover protrusion, 102 is a groove, 501 is a clamping groove, 502 is a mounting hole, 503 is a clamping groove wall, and 504 is a sealing ring.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
The component parts, structures and mechanisms of the unit modules in the following examples are all conventional commercially available products unless otherwise specified.
Example 1: a fixing mechanism of a dust cover of an automobile electrical box is characterized in that a control circuit board is arranged in an electrical box body 5, a shell of the electrical box body is made of engineering plastics, an annular step is arranged on the upper surface of the shell, and the dust cover 1 can be buckled on the electrical box body and is flush with the edge of the annular step. Rely on above-mentioned step preparation card platform on electrical apparatus box body 5, hang nose 3 and install in the card platform and fixed through card bow 4, hang nose 3 through the hangers 2 lock of hanging window 31 and dust cover 1 side on its upper portion for realize the fixed of dust cover.
The dust cover 1 is generally required to have a high protection level in the application of the central control box for the vehicle, and the following situations need to be considered: a, after the dust cover 1 is installed in place, the dust cover needs to be well sealed, vibration resistant and not easy to fall off; and b, the dust cover 1 is convenient to disassemble and assemble, and functional parts such as a relay and a fuse are convenient to replace during maintenance. Early product adopts bolt fastening dust cover 1, and leakproofness and stability can both be satisfied, but the dismouting is extremely inconvenient and the bolt loses easily and drops in control box or automobile body.
Then, in order to solve the problem of inconvenient installation, the dust cover 1 is installed in a buckling manner, referring to fig. 6, a dust cover bulge 101 is arranged on the inner side of the dust cover 1, a groove 102 is correspondingly arranged on the step of the electrical box body 5, in the structure, the outer diameter of the dust cover 1 is slightly larger than the step on the electrical box body, and the dust cover 1 needs to be pressed down forcibly until the dust cover bulge 101 moves to the groove 102 and is buckled with each other. To ensure the sealing property, a seal ring 504 is provided below the dust cover 1. For convenience of illustration, the distance between the dust cover 1 and the electrical box body 5 is enlarged, and the dust cover and the electrical box body should be tightly attached in practical application.
However, although the above-mentioned snap-fit mechanism is convenient to install, the firmness is not enough, and in this way, the force of the dust cover 1 pressing the sealing ring 504 downward cannot be too large, otherwise, the rubber sealing ring 504 may flick the dust cover 1, which reduces the sealing performance. For this reason, another buckling mode is designed, referring to fig. 7 to 9, and the dust cover 1 is hung on the hanging nose 3 to realize fixation by utilizing the mutual matching of the hanging nose 3 and the hanging lug 2. The root of the hanging nose 3 is clamped at the bottom of the control box in advance and is in a dead clamping mode, a hanging window 31 is formed in the position, corresponding to the hanging lug 2 of the dust cover 1, of the hanging nose 3, when the dust cover 1 is fastened, the dust cover 1 is pressed forcibly to deform a sealing ring 504 below the dust cover 1, and then the hanging window 31 of the hanging nose 3 is pushed to the hanging lug 2 to complete fixation. In this way, because the sealing ring 504 is extruded, the sealing performance is improved, the mounting and dismounting between the hanging nose 3 and the hanging lug 2 are easier, but the connection between the hanging nose 3 and the electrical box body 5 is a dead buckle, specifically, the clamping groove 501 is preset on the electrical box body 5, the clamping groove 501 comprises two clamping groove walls 503, the mounting hole 502 is arranged on one of the clamping groove walls 503, the bottom of the hanging nose 3 is provided with the transverse plate 32 matched with the mounting hole 502, the thickness of the hanging nose 3 is the same as the gap between the two clamping groove walls 503, the hanging nose 3 needs to be extruded into the clamping groove 503 by force during mounting, the two clamping groove walls 503 need to be pried by a tool to increase the distance, the clamping groove walls 503 can be pried off by carelessness, the hanging nose can not be mounted on the whole control box, and the clamping groove walls 503 can be deformed irreversibly by great acting force, so as to cause the loosening of the hanging nose, may cause it to fall off during use, affecting stability.
For this reason, the fixed firm, convenient to use's string knot mechanism in this embodiment has been designed, refer to fig. 2 to 5, rely on the installation step to set up the ka tai on the electrical apparatus box body 1, this ka tai includes the vertical recess 54 that is enclosed by ka tai lateral wall 51, and set up the horizontal recess 53 at the vertical face of electrical apparatus box body 1 step, set up diaphragm 32 in the bottom of hangers 3, the width of diaphragm 32 and the width of horizontal recess 53 cause it just can hug closely and install in horizontal recess 53, for the increase of strength, fix the strengthening rib in the lower part of diaphragm 32, diaphragm 32 and the laminating of horizontal recess 53 make hanging nose 3 be locked in the vertical direction, then peg graft the card bow 4 and be used for locking the displacement of hanging nose 3 in the horizontal direction in vertical recess 54. The clamping bow 4 comprises a clamping tooth 41 and a vertical panel 42 which are fixed on the cross beam, the clamping bow 4 is placed into the vertical groove 54 along the vertical direction to enable the clamping tooth 41 and the clamping table protrusion 52 to be mutually meshed, the clamping bow 4 is ensured not to move up and down, meanwhile, the back surface of the clamping bow 4 is tightly attached to the hanging nose 3, the vertical panel 42 is blocked by the clamping table side wall 51 on the front surface, and the clamping bow 4 is ensured not to move horizontally. Because the clamping bow 4 is only pressed forwards and backwards, upward escaping force is not generated, the clamping bow can be stably clamped in an occupied space, and the problem that the hanging nose 3 is easy to loosen is solved.
The upper part of the nose 3 is provided with a hanging window 31 which is matched with the hanging lug 2 on the dust cover 1. The hanging lug 2 is provided with a transverse strip-shaped protrusion, the upper edge of the hanging window 31 is correspondingly provided with a stop block 34, and the two are mutually matched to fix the dust cover 1 on the hanging nose 3 through the hanging lug 2. For convenient operation, an outward bending part is added on the upper part of the hanging nose 3 as an acting point, and a fixed ribbed plate 33 is arranged between the bending part and the hanging nose body to increase the strength.
The method for fixing the dust cover of the automobile electrical box by using the fixing mechanism comprises the following steps:
step 1: the hanging nose 3 is vertically placed in the vertical groove 54, and the transverse plate 32 of the hanging nose 3 faces one side of the horizontal groove 53;
step 2: the hanging nose 3 is slightly pushed inwards, so that the transverse plate 32 of the hanging nose 3 moves into the horizontal groove 53;
and step 3: keeping the hanging nose 3 still, placing the clamping bow 4 in the vertical groove, and enabling the clamping teeth 41 of the clamping bow 4 to face outwards;
and 4, step 4: the clamping bow 4 is pressed downwards to be clamped in the vertical groove 54, at the moment, the horizontal groove 53 fixes the hanging nose 3 in the vertical direction, and the clamping bow 4 fixes the hanging nose 3 in the horizontal direction to achieve a stable state;
and 5: if the electric appliance box comprises a plurality of fixing structures, the steps 1-4 are repeated in sequence, and all the hanging noses 3 are fixed in the corresponding clamping tables;
step 6: the dust cover 1 is buckled on the automobile electrical box body, the dust cover 1 is pressed to extrude the rubber sealing strip below the dust cover, and meanwhile, all the hanging lugs 3 are pushed to the hanging lugs 2 on the dust cover 1, so that the hanging lugs 3 are hung on the hanging lugs 2 through the hanging windows 31, and the dust cover is fixed.
While the present invention has been described in detail with reference to the drawings and the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention, and a plurality of specific embodiments are formed, which are common variation ranges of the present invention, and will not be described in detail herein.
Claims (8)
1. The utility model provides a fixed establishment of car electrical apparatus box dust cover for connect car electrical apparatus box body and dust cover, its characterized in that: including hangers, hanging nose, card bow, ka tai, the hangers is fixed in the side of dust cover, ka tai is fixed in on the car electrical apparatus box body and with the hangers corresponds the setting, ka tai includes horizontal recess and perpendicular recess, hang the nose include with horizontal recess complex horizontal joint portion and with perpendicular recess complex hang the nose body, the card bow install in hang the nose with in the clearance between the perpendicular recess, be used for blockking the horizontal displacement of hanging the nose.
2. The fixing mechanism of the dust cover of the electrical box of the automobile according to claim 1, characterized in that: the electrical box body comprises a first plane and a second plane which are perpendicular to each other, and the clamping table comprises the first plane, the second plane and three side faces arranged on the first plane in a surrounding mode.
3. The fixing mechanism of the dust cover of the electrical box of the automobile according to claim 2, characterized in that: the side of the clamping table is provided with an opening for installing the clamping bow, the opening is provided with a protrusion, and the clamping bow is provided with clamping teeth meshed with the protrusion.
4. The fixing mechanism of the dust cover of the electrical box of the automobile according to claim 3, characterized in that: the clamping bow further comprises a cross beam and a vertical panel, and the clamping teeth and the vertical panel are fixed on the cross beam in parallel.
5. The fixing mechanism of the dust cover of the electrical box of the automobile according to claim 1, characterized in that: the horizontal clamping part of the hanging nose comprises a transverse plate and a reinforcing rib for fixing the transverse plate.
6. The fixing mechanism of the dust cover of the electrical box of the automobile according to claim 1, characterized in that: the upper portion of hanging the nose be equipped with hangers complex string window, the top of hanging the nose is located the top of hanging the window is equipped with the kink, is equipped with fixed floor on this kink.
7. The fixing mechanism of the dust cover of the automobile electric appliance box according to claim 6, characterized in that: the front end of the hanging lug is provided with a strip-shaped protrusion, and the hanging window of the hanging nose is provided with a stop block meshed with the strip-shaped protrusion.
8. A method of fixing a dust cover of an electric box of an automobile using the fixing mechanism of any one of claims 1 to 7, comprising:
step 1: inserting the hanging nose into the vertical groove;
step 2: slightly pushing the hanging nose to enable the horizontal clamping part of the hanging nose to move into the horizontal groove;
and step 3: keeping the hanging nose still, and placing a clamping bow in the vertical groove;
and 4, step 4: pressing the clamping bow to fix the clamping bow in the vertical groove;
and 5: repeating the steps 1-4, and fixing all the hanging noses in the clamping table;
step 6: and buckling the dust cover on the automobile electrical box body, and sequentially connecting the hanging nose on the hanging lug to complete the fixation of the dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723499.4A CN111698864B (en) | 2020-07-24 | 2020-07-24 | Fixing mechanism and fixing method for dustproof cover of automobile electrical box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723499.4A CN111698864B (en) | 2020-07-24 | 2020-07-24 | Fixing mechanism and fixing method for dustproof cover of automobile electrical box |
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| Publication Number | Publication Date |
|---|---|
| CN111698864A true CN111698864A (en) | 2020-09-22 |
| CN111698864B CN111698864B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010723499.4A Active CN111698864B (en) | 2020-07-24 | 2020-07-24 | Fixing mechanism and fixing method for dustproof cover of automobile electrical box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066533A (en) * | 2020-09-09 | 2020-12-11 | 庄小梅 | Air conditioner electric control box |
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| CN112066533A (en) * | 2020-09-09 | 2020-12-11 | 庄小梅 | Air conditioner electric control box |
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| Publication number | Publication date |
|---|---|
| CN111698864B (en) | 2023-06-23 |
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