CN215645178U - Square plate casing - Google Patents
Square plate casing Download PDFInfo
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- CN215645178U CN215645178U CN202121396124.8U CN202121396124U CN215645178U CN 215645178 U CN215645178 U CN 215645178U CN 202121396124 U CN202121396124 U CN 202121396124U CN 215645178 U CN215645178 U CN 215645178U
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- gasket
- box body
- annular
- fastening screw
- protrusion
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Abstract
The application relates to the technical field of connecting pieces, in particular to a square disc shell. The square disc shell comprises a connecting part, a fastening screw and a combined gasket. The connecting part is provided with a connecting hole, the box body is provided with a threaded hole, when the square disc shell is connected with the box body, the combined gasket is sleeved on the fastening screw so as to fasten the square disc shell and the box body together through the fastening screw, and the combined gasket is tightly clamped between the nut of the fastening screw and the connecting part. The combined gasket comprises an annular gasket and an annular sealing gasket lined on the inner wall surface of the annular gasket, and two ends of the annular sealing gasket in the thickness direction extend out of the annular gasket; when the combined gasket is clamped tightly, the annular gasket plays the role of a common flat gasket, and the annular sealing gasket exposed outside the annular gasket is extruded and deformed, so that the gap between the connecting hole and the fastening screw is sealed through the combined gasket, and water outside the box body cannot enter the box body along the gap between the fastening screw and the connecting hole.
Description
Technical Field
The application relates to the technical field of connecting pieces, in particular to a square disc shell.
Background
The square plate shell is a common connecting piece, when the square plate shell is connected with the box body, a connecting hole is formed in the connecting portion of the square plate shell, a fastening screw is arranged in the connecting hole, and a threaded hole matched with the fastening screw is correspondingly formed in the box body, so that the square plate shell and the box body are fastened together through the fastening screw. The box body generally has waterproof requirements, so that the connection part of the box body and the square disc shell needs to be sealed; the sealing method that generally adopts at present installs sealed pad additional in the junction of box and square set casing, but this sealed pad can't seal the connecting hole of square set casing and the screw hole on the box for inside the box of accessible screw department seepage flow outside the box, lead to the inside water of box.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a square disc shell, which aims to improve the sealing property of the square disc shell to a certain extent and avoid water from entering a box body connected with the square disc shell.
The utility model provides a square disc shell which is used for being connected with a box body; the square disc shell comprises a connecting part, a fastening screw and a combined gasket;
the connecting part is provided with a connecting hole, the box body is provided with a threaded hole, and a fastening screw can penetrate through the connecting part through the connecting hole and is in threaded connection with the threaded hole so as to connect the connecting part with the box body;
the combined gasket comprises an annular gasket and an annular sealing gasket;
the annular sealing gasket is matched with the annular gasket, the inner surface of the annular gasket is lined with the annular sealing gasket, and two ends of the annular sealing gasket extend out of the annular gasket;
the combined gasket is sleeved on the fastening screw and clamped between a nut of the fastening screw and the connecting part.
Furthermore, the annular gasket is made of metal, and the annular sealing gasket is made of elastic rubber.
Further, the threaded hole is a countersunk threaded hole.
Furthermore, the square disc shell further comprises a main gasket, and the main gasket is arranged between the connecting part and the box body;
a through hole is formed in the position, opposite to the connecting hole, of the main gasket, so that a fastening screw can penetrate through the main gasket through the through hole;
the connecting part and the box body can clamp the main gasket so as to seal a connecting surface between the connecting part and the box body through the main gasket.
Further, a mounting groove is formed in one side end face, facing the main gasket, of the connecting portion, a first protrusion is formed in a position, opposite to the mounting groove, of the main gasket, and the first protrusion can be embedded into the mounting groove in an interference fit mode.
Further, the mounting groove and the first bulge are in a matched annular shape.
Further, the mounting groove is a trapezoidal groove, and the distance between the side walls on the two sides of the trapezoidal groove is gradually reduced along the direction from the bottom wall to the top wall of the trapezoidal groove;
the cross section of the first protrusion is trapezoidal matched with the trapezoidal groove.
Further, a bonding layer is arranged between the mounting groove and the first protrusion, and the first protrusion is bonded with the inner wall of the mounting groove through the bonding layer.
Furthermore, a second protrusion is formed on the end face of one end, facing the box body, of the main gasket, a sealing groove is formed in the position, corresponding to the second protrusion, of the box body, and the second protrusion can be embedded into the sealing groove in an interference fit mode.
Furthermore, the number of the connecting holes is multiple, and the connecting holes are distributed in the circumferential direction of the connecting part at intervals; the box body is provided with a plurality of threaded holes, the threaded holes are distributed along the circumferential direction of the box body at intervals, and the threaded holes are in one-to-one correspondence with the connecting holes.
Compared with the prior art, the utility model has the beneficial effects that:
the square disc shell provided by the utility model comprises a connecting part, a fastening screw and a combined gasket. The connecting part is provided with a connecting hole, the box body is provided with a threaded hole, when the square disc shell is connected with the box body, the connecting part of the square disc shell can abut against and be attached to the end face of the connecting end of the box body, and the connecting hole and the threaded hole are located on the same axis. The fastening screw can pass through the connecting part through the connecting hole and reach the threaded hole of the box body, and the fastening screw is screwed into the threaded hole so as to fasten the square disc shell and the box body together through the fastening screw. The combined gasket 12 comprises an annular gasket and an annular sealing gasket, the annular sealing gasket is matched with the annular gasket, and the annular sealing gasket is lined in the annular gasket; the thickness of the annular sealing gasket along the axis direction is larger than that of the annular gasket, so that two ends of the annular sealing gasket in the thickness direction all extend out of the annular gasket. When the combined gasket 12 is used, the combined gasket 12 is sleeved on the fastening screw 11, and when the fastening screw 11 fastens the connecting part 13 of the square disc shell 1 and the box body together, the combined gasket 12 is clamped between the nut of the fastening screw 11 and the connecting part 13 of the square disc shell 1; at this time, the annular gasket in the combined gasket 12 can function as a common flat gasket, and the annular gasket exposed outside the annular gasket is extruded and deformed, so that the nut of the fastening screw 11 and the annular gasket are in sealing abutment through the annular gasket, and the annular gasket and the connecting portion 13 are in sealing abutment through the annular gasket; therefore, the sealing of the gap between the connecting hole of the connecting part and the fastening screw is realized through the combined gasket, so that water outside the box body cannot enter the box body along the gap between the fastening screw and the connecting hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a square disk housing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a composite gasket according to an embodiment of the present invention.
Reference numerals:
1-square disc shell, 11-fastening screw, 12-combined gasket, 121-annular gasket, 122-annular sealing gasket, 13-connecting part, 131-connecting hole and 14-main gasket.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A square disk housing according to some embodiments of the present application is described below with reference to fig. 1 and 2.
The application provides a square disc shell 1 which is used for being connected with a box body; as shown in fig. 1, the square disc housing 1 includes a connection portion 13, a fastening screw 11, and a combining washer 12. Connecting hole 131 is formed in connecting portion 13, threaded holes are formed in the box body, when square disc shell 1 is connected with the box body, connecting portion 13 of square disc shell 1 can abut against and fit with the end face of the connecting end of the box body, and connecting hole 131 and the threaded holes are located on the same axis. The fastening screw 11 can pass through the connecting portion 13 through the connecting hole 131 and reach the threaded hole of the case, and the fastening screw 11 is screwed into the threaded hole to fasten the square plate case 1 and the case together by the fastening screw 11.
As shown in fig. 2, the combined gasket 12 includes an annular gasket 121 and an annular sealing gasket 122, the annular sealing gasket 122 is fitted with the annular gasket 121, and the annular sealing gasket 122 is lined in the annular gasket 121; the thickness of the annular seal 122 in the axial direction thereof is greater than the thickness of the annular gasket 121, so that both ends of the annular seal 122 in the thickness direction thereof extend out of the annular gasket 121.
When the combined gasket 12 is used, the combined gasket 12 is sleeved on the fastening screw 11, and when the fastening screw 11 fastens the connecting part 13 of the square disc shell 1 and the box body together, the combined gasket 12 is clamped between the nut of the fastening screw 11 and the connecting part 13 of the square disc shell 1; at this time, the annular gasket 121 in the combination gasket 12 can function as a common flat gasket, and the annular sealing gasket 122 exposed outside the annular gasket 121 is pressed and deformed, so that the nut of the fastening screw 11 and the annular gasket 121 are in sealing abutment through the annular sealing gasket 122, and the annular gasket 121 and the connecting portion 13 are in sealing abutment through the annular sealing gasket 122; therefore, the gap between the connecting hole 131 of the connecting part and the fastening screw is sealed by the combined gasket, so that water outside the box body cannot enter the box body along the gap between the fastening screw and the connecting hole 131.
Preferably, the number of connecting holes 131 and screw holes is a plurality of, and a plurality of connecting holes 131 interval distribution are in the circumference of connecting portion 13, a plurality of screw hole interval distribution and the circumference of box, and a plurality of connecting holes 131 and a plurality of screw hole one-to-one. Each connecting hole 131 and each threaded hole are provided with a fastening screw 11 in a penetrating manner, and each fastening screw 11 is provided with a combined gasket 12 in a sleeved manner, so that the sealing performance between the square disc shell 1 and the box body is ensured.
In this embodiment, preferably, the annular gasket 121 is made of a metal material, and the annular sealing gasket 122 is made of an elastic rubber material; in the using process, the annular gasket 121 made of metal and positioned on the outer layer can play the role of a common flat gasket, and the annular sealing gasket 122 made of elastic rubber and positioned on the inner layer can elastically deform due to elasticity when being clamped between the nut of the fastening screw 11 and the connecting part 13, so that a gap between the connecting hole 131 and the fastening screw 11 is sealed, and water outside the box body is prevented from flowing into the box body along the gap between the fastening screw 11 and the connecting hole 131.
In this embodiment, it is preferable that the threaded hole is a countersunk threaded hole, i.e., the threaded hole is not communicated with the inside of the case, so as to further prevent water outside the case from flowing into the case along the outer wall surface of the fastening screw 11.
In an embodiment of the present application, preferably, the square disc housing 1 further includes a main gasket 14, the main gasket 14 is disposed between the connection surface of the connection portion 13 and the box, and when the connection portion 13 and the box are fastened together, the connection portion 13 and the box will clamp the main gasket 14 therebetween, so that the connection surface between the connection portion 13 and the main gasket 14 is sealed by the main gasket 14, and water outside the box is prevented from entering the box from the connection position of the box and the connection portion 13. Preferably, the main gasket 14 is opened with a through hole at a position opposite to the connection hole 131 and the screw hole so that the fastening screw 11 can pass through the main gasket 14 to the screw hole.
In an embodiment of the present application, preferably, a mounting groove has been seted up on the terminal surface of connecting portion 13 facing the one end of main gasket 14, main gasket 14 is formed with first arch with the relative position department of mounting groove, first arch and mounting groove looks adaptation, make first arch can interference fit's embedding and mounting groove in, thereby through the assembly of first arch with the mounting groove, can install main gasket 14 on the terminal surface of connecting portion 13, when square plate casing 1 is not connected with outside box, can connect main gasket 14 on connecting portion 13 of square plate casing 1, be difficult for losing because of droing, also need not to rely on bandage such as outside ribbon to ligature main gasket 14 on connecting portion 13.
Meanwhile, a first bulge is arranged on the main gasket 14, a mounting groove for mounting the first bulge is arranged on the connecting part 13, and a new sealing waterproof line is formed between the first bulge and the mounting groove; when the square disc shell 1 or the box body inclines due to unilateral stress, if the main gasket 14 is a common flat gasket, water leakage caused by untight sealing of the main gasket 14 is easy to occur; the waterproof sealing line formed by the first protrusion on the main gasket 14 and the mounting groove can effectively avoid the situation and improve the sealing performance between the box body and the square disc shell 1.
In this embodiment, preferably, the first protrusion is annular, the annular first protrusion surrounds the hole in the middle of the box body, and the mounting groove on the connecting portion 13 is also annular in shape matching with the first protrusion, so that the first protrusion can be assembled and mounted in the mounting groove in interference fit to comprehensively protect the box body, and water leakage caused by poor sealing between the box body and the connecting portion 13 is avoided.
In this embodiment, preferably, an adhesive layer is further disposed between the mounting groove and the first protrusion, and when the first protrusion is inserted into the mounting groove, the first protrusion can be adhered to the side wall of the mounting groove through the adhesive layer, so that the connection between the mounting groove and the main gasket 14 is firmer, and the main gasket 14 is prevented from falling off from the connecting portion 13 and being lost; the leakproofness between first arch and the mounting groove has also further been improved through setting up the tie coat simultaneously.
In this embodiment, preferably, the mounting groove is the dovetail groove, and the interval between the lateral wall of the both sides of mounting groove reduces along the direction of the diapire to the roof of dovetail groove gradually, first arch be with the trapezoidal of dovetail groove looks adaptation, because main gasket 14 has elasticity for first arch can be placed in the dovetail groove, and because the mounting groove is the dovetail groove, also makes first arch be difficult for following the mounting groove and drops.
In this embodiment, preferably, a second protrusion is formed on an end surface of the main gasket 14 facing one end of the box body, a sealing groove is formed at a position of the box body corresponding to the second protrusion, and the second protrusion can be assembled in the sealing groove of the box body in an interference fit manner, so that a waterproof line is also formed between the main gasket 14 and the box body through the second protrusion and the sealing groove, and the sealing performance between the box body and the square disc housing 1 is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A square disc shell is used for being connected with a box body; the square disc shell is characterized by comprising a connecting part, a fastening screw and a combined gasket;
the connecting part is provided with a connecting hole, the box body is provided with a threaded hole, and a fastening screw can penetrate through the connecting part through the connecting hole and is in threaded connection with the threaded hole so as to connect the connecting part with the box body;
the combined gasket comprises an annular gasket and an annular sealing gasket;
the annular sealing gasket is matched with the annular gasket, the inner surface of the annular gasket is lined with the annular sealing gasket, and two ends of the annular sealing gasket extend out of the annular gasket;
the combined gasket is sleeved on the fastening screw and clamped between a nut of the fastening screw and the connecting part.
2. The square plate housing of claim 1, wherein the annular gasket is made of metal and the annular sealing gasket is made of elastic rubber.
3. The square plate housing of claim 1, wherein the threaded hole is a countersunk threaded hole.
4. The square plate housing of claim 1, further comprising a main gasket disposed between the connecting portion and the box;
a through hole is formed in the position, opposite to the connecting hole, of the main gasket, so that a fastening screw can penetrate through the main gasket through the through hole;
the connecting part and the box body can clamp the main gasket so as to seal a connecting surface between the connecting part and the box body through the main gasket.
5. The square plate housing according to claim 4, wherein a mounting groove is formed on an end surface of the connecting portion facing the main gasket, and a first protrusion is formed at a position of the main gasket opposite to the mounting groove, and the first protrusion is inserted into the mounting groove in an interference fit manner.
6. The square plate housing of claim 5, wherein the mounting groove and the first protrusion are adapted to be annular.
7. The square plate housing of claim 5, wherein the mounting groove is a trapezoidal groove, and the distance between the side walls on both sides of the trapezoidal groove gradually decreases in the direction from the bottom wall to the top wall of the trapezoidal groove;
the cross section of the first protrusion is trapezoidal matched with the trapezoidal groove.
8. The square disc shell according to claim 5, wherein an adhesive layer is arranged between the mounting groove and the first protrusion, and the first protrusion is adhered to the inner wall of the mounting groove through the adhesive layer.
9. The square-disc shell according to claim 5, wherein a second protrusion is formed on an end surface of the main gasket facing one end of the box body, a sealing groove is formed in a position of the box body corresponding to the second protrusion, and the second protrusion can be embedded in the sealing groove in an interference fit manner.
10. The square disc shell according to claim 1, wherein the number of the connecting holes is multiple, and the connecting holes are distributed in the circumferential direction of the connecting part at intervals;
the box body is provided with a plurality of threaded holes, the threaded holes are distributed along the circumferential direction of the box body at intervals, and the threaded holes are in one-to-one correspondence with the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396124.8U CN215645178U (en) | 2021-06-22 | 2021-06-22 | Square plate casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396124.8U CN215645178U (en) | 2021-06-22 | 2021-06-22 | Square plate casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215645178U true CN215645178U (en) | 2022-01-25 |
Family
ID=79944719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121396124.8U Active CN215645178U (en) | 2021-06-22 | 2021-06-22 | Square plate casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215645178U (en) |
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2021
- 2021-06-22 CN CN202121396124.8U patent/CN215645178U/en active Active
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