CN209800510U - Novel nut and electronic equipment with same - Google Patents
Novel nut and electronic equipment with same Download PDFInfo
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- CN209800510U CN209800510U CN201822076954.7U CN201822076954U CN209800510U CN 209800510 U CN209800510 U CN 209800510U CN 201822076954 U CN201822076954 U CN 201822076954U CN 209800510 U CN209800510 U CN 209800510U
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Abstract
The utility model relates to a novel nut, it includes that interior nut and cover establish the outside outer nut of interior nut, be equipped with the internal thread on the inside wall of interior nut, be equipped with the first arch of a plurality of on the lateral wall of outer nut, outer nut adopts elastic material to make, interior nut adopts rigid material to make, interior nut's coefficient of thermal expansion is less than outer nut's coefficient of thermal expansion. The utility model also provides an electronic device, which comprises a shell, a novel nut and a threaded device inserted in the novel nut, and the first bulge is in interference fit in the shell by virtue of the elasticity of the elastic material of the outer nut, so as to realize the looseness prevention of the nut; the internal thread is made of rigid materials, so that the joint between the internal thread and the device with the thread has certain rigidity, and the service life is prolonged; the interference fit between the novel nut and the shell under the extreme temperature environment is ensured by utilizing the difference of the thermal expansion coefficients of the inner nut and the outer nut.
Description
Technical Field
The utility model relates to a fastener technical field, more specifically say, relate to a novel nut and have electronic equipment of this novel nut.
Background
Threaded devices such as a code switch and the like are one of the most frequently used components of the handheld terminal equipment, and most threaded devices are fixed by nuts. In the process of frequent use, the nut is easy to loosen, and more serious damage to a threaded device can be caused, so that customer complaints are caused. At present, the common anti-loosening treatment mode is to fix thread glue on the nut for loosening prevention, fix the thread glue on the nut during assembly, and then screw the nut. However, this anti-loosening treatment has at least the following disadvantages: the manual operation is needed for the thread gluing, and the manpower is increased; the control of the amount of thread compound is difficult, and the performance of the peripheral material is reduced due to the overflow of the compound; after disassembly, the product needs to be glued again after being reassembled.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the present invention is to provide a novel nut and an electronic device having the same, which are improved, in view of the above-mentioned drawbacks of the prior art.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a structure novel nut, it includes that interior nut and cover establish the outside outer nut of interior nut, be equipped with the internal thread on the inside wall of interior nut, be equipped with the first arch of a plurality of on the lateral wall of outer nut, outer nut adopts elastic material to make, interior nut adopts rigid material to make, interior nut's coefficient of thermal expansion is less than outer nut's coefficient of thermal expansion.
In some embodiments, at least one annular protrusion is arranged on the inner side wall of the outer nut, and at least one annular groove matched with the at least one annular protrusion is arranged on the outer side wall of the inner nut; or, the inner side wall of the outer nut is provided with at least one annular groove, and the outer side wall of the inner nut is provided with at least one annular bulge matched with the at least one annular groove.
In some embodiments, the outer nut includes a first end and a second end which are oppositely arranged along the axial direction of the nut, the at least one annular bulge comprises a first annular bulge formed on the inner side wall circumference bulge of the first end of the outer nut and a second annular bulge formed on the inner side wall circumference bulge between the first end and the second end of the outer nut, and the at least one annular groove comprises a first annular groove which is formed on the outer side wall circumference of the inner nut and matched with the first annular bulge, and a second annular groove which is formed on the outer side wall circumference of the inner nut and matched with the second annular bulge; or, at least one annular groove includes the first annular groove of the sunken formation of inside wall week of the first end of outer nut, and the second annular groove of the sunken formation of inside wall week between the first end of outer nut and the second end, at least one annular arch include the protruding formation of the outside wall week of inner nut with first annular groove matched with first annular arch, and with second annular groove matched with second annular arch.
In some embodiments, the outer nut comprises a first end and a second end which are arranged oppositely along the axial direction of the nut, a plurality of protruding parts are convexly formed on the inner side wall of the second end of the outer nut, and clamping grooves matched with the protruding parts are formed on the inner nut; or, a plurality of clamping grooves are formed in the second end of the outer nut in a concave mode, and protruding portions matched with the clamping grooves are formed in the inner nut.
In some embodiments, the plurality of first protrusions includes a plurality of first protrusions that are circumferentially distributed on an outer sidewall of the outer nut.
In some embodiments, the first projection is a rib comprising a first end and a second end disposed axially opposite from each other along the nut; the height of the first end of the convex rib protruding out of the outer side wall of the outer nut is more than or equal to zero, and the height of the second end of the convex rib protruding out of the outer side wall of the outer nut is more than the height of the first end of the convex rib protruding out of the outer side wall of the outer nut; or, the first end protrusion of protruding muscle in the height of outer nut lateral wall is greater than zero, the second end protrusion of protruding muscle in the height more than or equal to of outer nut lateral wall the first end protrusion of protruding muscle in the height of outer nut lateral wall.
In some embodiments, the inner nut is made of a metal material, and the outer nut is made of a plastic or silica gel material.
The utility model also provides an electronic equipment, it includes the shell, threaded device and as above-mentioned any novel nut, novel nut's first protruding interference fit is in the mounting hole of shell, threaded device inserts and establishes in the novel nut.
In some embodiments, a plurality of second protrusions are formed on the wall of the mounting hole in a protruding manner, and the first protrusions are in interference fit with the second protrusions; or, the first bulge is in interference fit with the recess formed between every two second bulges.
In some embodiments, the second protrusion includes a first side and a second side opposite to each other in the circumferential direction of the mounting hole, a height of the first side of the second protrusion protruding from the wall of the mounting hole is greater than or equal to zero, and a height of the second side of the second protrusion protruding from the wall of the mounting hole is greater than a height of the first side of the second protrusion protruding from the wall of the mounting hole.
Implement the utility model discloses following beneficial effect has at least: the utility model discloses a novel nut simple structure, and have better commonality, its outer nut adopts elastic material to make, with the help of elastic material's elasticity, make interference fit between nut and the casing, increased the frictional resistance between nut and the casing, thereby can increase the resistance of nut not hard up direction, the nut does not have obvious plastic deformation when the vibration is strikeed simultaneously, reduce not hard up possibility, can realize the locking of nut like this under the circumstances that does not increase mechanism part, does not increase the assembly complexity, solved and fallen, strikeed etc. and cause the nut not hard up problem; the inner nut is made of rigid materials, so that the inner thread has certain rigidity, the connection between the inner nut and the device with the thread has certain rigidity, the inner nut is not easy to slip and follow when in use, and the service life is prolonged; in addition, the thermal expansion coefficient of the inner nut is smaller than that of the outer nut, and the interference fit between the novel nut and the shell under the extreme temperature environment is ensured by utilizing the difference of the thermal expansion coefficients of the inner nut and the outer nut.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
Fig. 1 is a schematic perspective view of a novel nut according to some embodiments of the present invention;
Fig. 2 is an exploded view of the novel nut according to some embodiments of the present invention;
Fig. 3 is an exploded view of the novel nut and the electronic device housing according to some embodiments of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1-2 show the novel nut according to some embodiments of the present invention, in which the novel nut 1 includes an inner nut 11 and an outer nut 12, the outer nut 12 is disposed outside the inner nut 11, an inner thread 111 is disposed on an inner sidewall of the inner nut 11, and a plurality of first protrusions 121 are disposed on an outer sidewall of the outer nut 12. The outer nut 12 is made of an elastic material and can be in interference fit in the shell; the inner nut 11 is made of a rigid material, so that the inner thread 111 has certain rigidity; the thermal expansion coefficient of the inner nut 11 is smaller than that of the outer nut 12, and the interference fit between the novel nut 1 and the shell in an extreme temperature environment is ensured by utilizing the difference between the thermal expansion coefficients of the inner nut 11 and the outer nut 12.
In some embodiments, the inner nut 11 may be coaxially disposed with the outer nut 12, or the inner nut 11 may be disposed offset from the axial direction of the outer nut 12 in parallel. The inner nut 11 may be made of a metal material, and the outer nut 12 may be made of an elastic material such as plastic, silica gel, or the like. At least one annular protrusion can be arranged on the inner side wall of the outer nut 12, and at least one annular groove matched with the at least one annular protrusion is arranged on the outer side wall of the inner nut 11. In other embodiments, at least one annular groove may be provided on the inner sidewall of the outer nut 12, and at least one annular protrusion matching with the at least one annular groove may be provided on the outer sidewall of the inner nut 11. The annular protrusion and the annular groove can be arranged coaxially with the nut, and the annular protrusion and the annular groove are matched with each other, so that the outer nut 12 and the inner nut 11 are fixed with each other and cannot move axially.
as shown in fig. 1, the inner nut 11 and the outer nut 12 each include a first end and a second end disposed opposite to each other in the axial direction of the nut. The height of the inner nut 11 may be greater than that of the outer nut 12, a first end of the inner nut 11 may be flush with a first end of the outer nut 12, and a second end of the inner nut 11 protrudes from a second end of the outer nut 12. It will be appreciated that in other embodiments, the height of the inner nut 11 may be equal to the height of the outer nut 12, or the height of the inner nut 11 may be less than the height of the outer nut 12.
As shown in fig. 2, the at least one annular protrusion may include a first annular protrusion 124 formed by an inner sidewall circumferential protrusion at the first end of the outer nut 12, and a second annular protrusion 122 formed by an inner sidewall circumferential protrusion between the first end and the second end of the outer nut 12. Correspondingly, the at least one annular groove may include a first annular groove 114 formed in a peripheral depression on an outer sidewall of the first end of the inner nut 11 to mate with the first annular projection 124, and a second annular groove 112 formed in a peripheral depression on an outer sidewall between the first and second ends of the inner nut 11 to mate with the second annular projection 122. In some embodiments, the inner diameters of the first and second annular lobes 124, 122 are equal. In some embodiments, the first annular protrusion 124 is rectangular in cross-section and the second annular protrusion 122 is semi-circular in cross-section. It is understood that in other embodiments, the cross-sections of the first annular protrusion 124 and the second annular protrusion 122 may also be square, arc, tooth, trapezoid, or other shapes, or the cross-sectional profiles of the first annular protrusion 124 and the second annular protrusion 122 may also be different, and are not limited herein.
In some embodiments, the inner sidewall of the second end of the outer nut 12 is protruded to form a plurality of protrusions 123, the inner nut 11 is formed with locking slots 113 matching with the protrusions 123, and the protrusions 123 and the locking slots 113 are matched to ensure that the outer nut 12 and the inner nut 11 are fixed to each other and do not rotate relatively. The two protrusions 123 may be provided, and are respectively disposed at two opposite ends in the radial direction of the outer nut 12. In other embodiments, there may be one or more of the protrusions 123. The height of the protruding portion 123 protruding from the inner side wall of the outer nut 12 is greater than the height of the annular protrusion protruding from the inner side wall of the outer nut 12, so as to ensure that the protruding portion 123 and the locking groove 113 are firmly and reliably locked. It is understood that in other embodiments, the second end of the nut 12 may be recessed to form a plurality of slots, and the inner nut 11 may be formed with protrusions for engaging with the slots.
In some embodiments, the plurality of first protrusions 121 includes a plurality of first protrusions 121, and the plurality of first protrusions 121 are evenly distributed on the outer sidewall of the outer nut 12 along the circumferential direction. It is understood that, in other embodiments, the plurality of first protrusions 121 may not be uniformly distributed on the outer circumferential wall of the outer nut 12. Preferably, the plurality of first protrusions 121 includes at least five first protrusions 121. The first protrusion 121 may be a rib, which includes a first end and a second end opposite to each other along the axial direction of the nut, wherein the first end of the rib corresponds to the first end of the outer nut 12, and the second end of the rib corresponds to the second end of the outer nut 12. The rib may be the same height as the outer nut 12 or it may be smaller than the height of the outer nut 12. In some embodiments, the height of the first end of the rib protruding from the outer sidewall of the outer nut 12 is greater than or equal to zero, and the height of the second end of the rib protruding from the outer sidewall of the outer nut 12 is greater than the height of the first end of the rib protruding from the outer sidewall of the outer nut 12, so that the outer side 1211 between the first end and the second end of the rib has a certain slope, which facilitates the assembly with the housing; alternatively, in other embodiments, the height of the first end of the rib protruding from the outer sidewall of the outer nut 12 may be greater than zero, and the height of the second end of the rib protruding from the outer sidewall of the outer nut 12 may be greater than or equal to the height of the first end of the rib protruding from the outer sidewall of the outer nut 12. In some embodiments, the height of the rib protruding from the outer sidewall of the outer nut 12 may gradually increase from the first end to the second end. In the embodiment shown in fig. 1-2, the outer side 1211 of the first protrusions 121 is located on a circular arc surface coaxial with the outer nut 12; the outer diameter of the first end of the first protrusion 121 is equal to the outer diameter of the outer nut 12, that is, the height of the first end of the first protrusion 121 protruding from the outer sidewall of the outer nut 12 is zero; the second end outer diameter of the first protrusion 121 is larger than the outer diameter of the outer nut 12; the first projection 121 has a substantially trapezoidal cross section in the axial direction of the outer nut 12. In other embodiments, the cross section of the first protrusion 121 along the axial direction of the outer nut 12 may also be substantially triangular, arc-shaped, rectangular, and other shapes, which are not limited herein.
As shown in fig. 3, the present invention further provides an electronic device, which includes a novel nut 1, a housing 2, and a threaded device 3. The threaded device 3 is inserted into the novel nut 1, and can be an electronic component such as a coding switch. The connecting shaft 31 of the threaded device 3 is provided with external threads which cooperate with the internal threads 111 of the new nut 1. The external thread on the threaded member 3 may also be made of a rigid material such as metal. Because the internal thread 111 is made of rigid material such as metal, the joint between the novel nut 1 and the threaded device 3 has certain rigidity. Be equipped with the mounting hole 21 that is used for installing novel nut 1 on casing 2, novel nut 1 interference fit is in mounting hole 21, with the help of outer nut 12 elastic material's elasticity, after in nut 1 assembles mounting hole 21, has elastic compels tight effect, realizes the locking of nut. In some embodiments, the plurality of second protrusions 22 are formed on the wall of the mounting hole 21 in a protruding manner, and the first protrusion 121 and the second protrusion 22 are in interference fit connection, so that interference fit surfaces between the nut 1 and the housing 2 can be reduced, and the installation of the novel nut 1 is facilitated. In some embodiments, the plurality of second protrusions 22 includes a plurality of second protrusions 22, and the plurality of second protrusions 22 are uniformly distributed along the circumferential direction of the mounting hole 21. The second protrusion 22 comprises a first side and a second side which are opposite to each other along the circumferential direction of the mounting hole 21, the inner diameter of the first side of the second protrusion 22 is equal to the diameter of the mounting hole 21, the inner diameter of the second side of the second protrusion 22 is smaller than the diameter of the mounting hole 21, namely, the height of the first side of the second protrusion 22 protruding out of the hole wall of the mounting hole 21 is zero, the height of the second side of the second protrusion 22 protruding out of the hole wall of the mounting hole 21 is larger than the height of the first side of the second protrusion 22 protruding out of the hole wall of the mounting hole 21, so that a transition surface 221 connecting the first side and the second side of the second protrusion 22 has a certain gradient, and therefore the interference fit amount between the nut 1 and the shell 2 can be adjusted in a. In some embodiments, the transition surface 221 connecting between the first side and the second side of the second protrusion 22 may be a circular arc transition surface, and the center of the circular arc transition surface 221 faces away from the nut 1. It is understood that in other embodiments, the center of the arc transition surface 221 may be toward the nut 1; the height of the first side of the second protrusion 22 protruding from the hole wall of the mounting hole 21 may also be greater than zero, and the height of the second side of the second protrusion 22 protruding from the hole wall of the mounting hole 21 is greater than or equal to the height of the first side of the second protrusion 22 protruding from the hole wall of the mounting hole 21; the transition surface 221 connecting between the first side and the second side of the second protrusion 22 may also be a slanted plane. In other embodiments, the cross section of the second protrusion 22 along the radial direction of the mounting hole 21 may also be substantially in the shape of tooth, rectangle, circular arc, trapezoid, or the like. In still other embodiments, the first protrusions 121 may also be interference fit between the depressions formed by every two second protrusions 22; alternatively, in other embodiments, the second protrusion 22 may not be provided, the mounting hole 21 may be provided as a stepped hole, and the first protrusion 121 is in interference fit with a hole wall of the stepped hole.
When the novel nut is assembled, the novel nut 1 is firstly assembled into the mounting hole 21 from the inlet on one side of the shell 2 and then compressed, so that the first ends of the inner nut 11 and the outer nut 12 are in interference fit with the bottom of the mounting hole 21, the first protrusions 121 and the second protrusions 22 are in interference fit with each other and are in interference fit with each other, then the threaded device 3 is assembled into the nut 1 from the other side of the shell 2, and in the process of screwing the threaded device 3 and the nut 1, the arc transition surface 221 can also play a role in preventing looseness.
Understandably, the utility model discloses a novel nut, outer nut 12 adopt elastic material such as plastic or silica gel to make, with the help of elastic material's elasticity, make interference fit between nut 1 and the casing 2, increased the frictional resistance between nut 1 and the casing 2, thus can increase the resistance of nut not hard up direction, the nut does not have obvious plastic deformation when the vibration is strikeed simultaneously, reduce not hard up possibility, can realize the locking of nut like this under the condition that does not increase mechanism part, does not increase the assembly complexity, solved and fall, strike etc. and cause the problem that the nut is not hard up; the inner nut 11 is made of rigid materials, so that the internal thread 111 has certain rigidity, the connection between the inner nut 11 and the device 3 with the thread has certain rigidity, the inner nut is not easy to slip and follow when in use, and the service life is prolonged; in addition, the thermal expansion coefficient of the inner nut 11 is smaller than that of the outer nut 12, and the interference fit between the novel nut 1 and the shell 2 in an extreme temperature environment is ensured by utilizing the difference between the thermal expansion coefficients of the inner nut 11 and the outer nut 12; simple structure and better universality. The novel nut is suitable for the field of electronic equipment, such as handheld terminals, vehicle-mounted terminals and the like, and can also be applied to occasions needing nut fastening on other equipment.
it is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above examples only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a novel nut, its characterized in that establishes including interior nut (11) and cover the outside outer nut (12) of interior nut (11), be equipped with internal thread (111) on the inside wall of interior nut (11), be equipped with the first arch (121) of a plurality of on the lateral wall of outer nut (12), outer nut (12) adopt elastic material to make, interior nut (11) adopt rigid material to make, the coefficient of thermal expansion of interior nut (11) is less than the coefficient of thermal expansion of outer nut (12).
2. The novel nut as claimed in claim 1, characterized in that at least one annular protrusion is provided on the inner side wall of the outer nut (12), and at least one annular groove matched with the at least one annular protrusion is provided on the outer side wall of the inner nut (11); or, the inner side wall of the outer nut (12) is provided with at least one annular groove, and the outer side wall of the inner nut (11) is provided with at least one annular bulge matched with the at least one annular groove.
3. The novel nut as claimed in claim 2, characterized in that said outer nut (12) comprises a first end and a second end disposed opposite to each other in the axial direction of the nut, said at least one annular protrusion comprises a first annular protrusion (124) formed by an inner sidewall circumferential protrusion at the first end of said outer nut (12) and a second annular protrusion (122) formed by an inner sidewall circumferential protrusion between the first end and the second end of said outer nut (12), said at least one annular groove comprises a first annular groove (114) formed by an outer sidewall circumferential depression of said inner nut (11) and matched with said first annular protrusion (124) and a second annular groove (112) matched with said second annular protrusion (122); or, the at least one annular groove comprises a first annular groove formed by the inner side wall circumference of the first end of the outer nut (12) in a concave mode and a second annular groove formed by the inner side wall circumference of the outer nut (12) between the first end and the second end in a concave mode, and the at least one annular bulge comprises a first annular bulge formed by the outer side wall circumference of the inner nut (11) in a convex mode and matched with the first annular groove and a second annular bulge matched with the second annular groove.
4. The novel nut as claimed in claim 1, characterized in that the outer nut (12) comprises a first end and a second end which are oppositely arranged along the axial direction of the nut, the inner side wall of the second end of the outer nut (12) is convexly provided with a plurality of protruding parts (123), and the inner nut (11) is provided with clamping grooves (113) which are matched with the protruding parts (123); or, a plurality of clamping grooves are formed at the second end of the outer nut (12) in a concave mode, and protruding portions matched with the clamping grooves are formed on the inner nut (11).
5. The novel nut according to claim 1, characterized in that said plurality of first protrusions (121) comprises a plurality of first protrusions (121), said plurality of first protrusions (121) being circumferentially distributed on an outer side wall of said outer nut (12).
6. The novel nut according to claim 1, characterized in that said first projection (121) is a rib comprising a first end and a second end disposed axially opposite each other along the nut; the height of the first end of the convex rib protruding out of the outer side wall of the outer nut (12) is more than or equal to zero, and the height of the second end of the convex rib protruding out of the outer side wall of the outer nut (12) is more than the height of the first end of the convex rib protruding out of the outer side wall of the outer nut (12); or, the first end protrusion of protruding muscle in the height of outer nut (12) lateral wall is greater than zero, the second end protrusion of protruding muscle in the height more than or equal to of outer nut (12) lateral wall the first end protrusion of protruding muscle in the height of outer nut (12) lateral wall.
7. The new nut, as set forth in any of the claims from 1 to 6, characterized in that said inner nut (11) is made of metal material and said outer nut (12) is made of plastic or silicone material.
8. Electronic device, characterized in that it comprises a shell (2), a threaded means (3), and a new nut (1) according to any one of claims 1 to 7, the first protrusion (121) of the new nut (1) being interference fitted in the mounting hole (21) of the shell (2), the threaded means (3) being inserted in the new nut (1).
9. The electronic device according to claim 8, wherein a plurality of second protrusions (22) are formed on the wall of the mounting hole (21) in a protruding manner, and the first protrusions (121) are in interference fit with the second protrusions (22); or, the first bulge (121) is in interference fit with a recess formed between every two second bulges (22).
10. The electronic device of claim 9, wherein the second protrusion (22) comprises a first side and a second side opposite to each other in the circumferential direction of the mounting hole (21), the first side of the second protrusion (22) protrudes from the wall of the mounting hole (21) by a height equal to or greater than zero, and the second side of the second protrusion (22) protrudes from the wall of the mounting hole (21) by a height greater than the height of the first side of the second protrusion (22) from the wall of the mounting hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076954.7U CN209800510U (en) | 2018-12-11 | 2018-12-11 | Novel nut and electronic equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076954.7U CN209800510U (en) | 2018-12-11 | 2018-12-11 | Novel nut and electronic equipment with same |
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| Publication Number | Publication Date |
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| CN209800510U true CN209800510U (en) | 2019-12-17 |
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| CN201822076954.7U Active CN209800510U (en) | 2018-12-11 | 2018-12-11 | Novel nut and electronic equipment with same |
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| CN (1) | CN209800510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022051993A1 (en) * | 2020-09-10 | 2022-03-17 | 海能达通信股份有限公司 | Nut assembly, connection mechanism and disassembly element |
-
2018
- 2018-12-11 CN CN201822076954.7U patent/CN209800510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022051993A1 (en) * | 2020-09-10 | 2022-03-17 | 海能达通信股份有限公司 | Nut assembly, connection mechanism and disassembly element |
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