CN214543610U - Surge protection device with dustproof fastening screw structure - Google Patents
Surge protection device with dustproof fastening screw structure Download PDFInfo
- Publication number
- CN214543610U CN214543610U CN202121146431.0U CN202121146431U CN214543610U CN 214543610 U CN214543610 U CN 214543610U CN 202121146431 U CN202121146431 U CN 202121146431U CN 214543610 U CN214543610 U CN 214543610U
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- CN
- China
- Prior art keywords
- fastening screw
- fastening
- plastics
- dustproof
- surge protector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 37
- 239000004033 plastic Substances 0.000 claims abstract description 37
- 230000001012 protector Effects 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a surge protector with dustproof fastening screw structure, include: the casing, the overvoltage protection subassembly, fastening screw and the dustproof dog of plastics, the spread groove has been seted up respectively to casing top and bottom, the embedded conductive sleeve that is equipped with of spread groove, the overvoltage protection subassembly sets up and passes through the wire with the conductive sleeve and be connected in the casing is inside, the fastening chamber that corresponds with the spread groove has still been seted up on the casing, fastening screw sets up in the fastening intracavity, fastening screw one end is worn to establish to the conductive sleeve in, a swivelling chute has been seted up to the fastening screw other end, the dustproof dog of plastics is rotatory to slide and is set up in the fastening intracavity, the dustproof dog one end of plastics is provided with the rotatory arch that corresponds with first swivelling chute. The utility model discloses when carrying out the installation of line body, realize controlling fastening screw's rotation through the dustproof dog of plastics, utilize the dustproof dog of plastics effectively to avoid fastening screw directly to expose in surge protector's external environment to effectively avoid fastening screw to receive dust pollution and damage.
Description
Technical Field
The utility model relates to a surge protector technical field, concretely relates to surge protector with dustproof fastening screw structure.
Background
The power surge protector is also called as a power lightning protector, a power lightning arrester and a power surge protector, the power lightning arrester is the most commonly used one of the surge protectors, mainly aims at the surge protection selected by a power system, and adopts the power lightning protection mainly used for discharging a large amount of pulse energy generated by lightning stroke induction on a circuit to the ground in the shortest time in a short circuit release mode, so that the potential difference between interfaces of equipment is reduced, and the equipment on the circuit is protected.
The power surge protector generally adopts fastening screw to fix rather than the circuit end of a thread of being connected, and current fastening screw directly exposes in the external environment usually, and long time later, leads to fastening screw to receive dust pollution easily and even takes place to damage, influences surge protector's normal use.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that above-mentioned fastening screw pollutes, damages easily, the utility model provides a long service life, reliable structure have the surge protector of dustproof fastening screw structure.
The utility model discloses a surge protector with dustproof fastening screw structure, include: the casing, the overvoltage protection subassembly, fastening screw and the dustproof dog of plastics, the spread groove has been seted up respectively to casing top and bottom, the embedded conductive sleeve that is equipped with of spread groove, the overvoltage protection subassembly sets up and passes through the wire with the conductive sleeve and be connected in the casing, the fastening chamber that corresponds with the spread groove has still been seted up on the casing, fastening screw sets up in the fastening intracavity, fastening screw one end is worn to establish to the conductive sleeve in, first swivelling chute has been seted up to the fastening screw other end, the dustproof dog of plastics rotatoryly slides and sets up in the fastening intracavity, the dustproof dog one end of plastics is provided with the rotatory arch that corresponds with first swivelling chute, the dustproof dog other end of plastics has seted up the second swivelling chute.
According to the utility model discloses an embodiment, the chamber wall in fastening chamber is provided with the elasticity reset assembly, and the elasticity reset assembly produces the elastic force who keeps away from the fastening screw direction to the dustproof dog of plastics.
According to the utility model discloses an embodiment, elasticity reset assembly includes: reset spring and ejector pad that resets, the fastening chamber is encircleed to be opened and is equipped with spacing chamber, and reset spring sets up in spacing intracavity, and the ejector pad that resets slides and sets up in spacing intracavity and with reset spring one end butt, and it is protruding to extend the formation butt in the fastening intracavity in the middle part of the ejector pad that resets, the protruding and dustproof dog butt of plastics of butt.
According to the utility model discloses an embodiment, the conducting sleeve inner wall is provided with and presss from both sides tight shell fragment.
According to an embodiment of the present invention, the insulating heat shrink tube is provided at the end of the clamping spring.
According to the utility model discloses an embodiment, the casing outer wall inlays and is equipped with the silica gel piece that discolours.
The utility model discloses a surge protector carries out the line body when installing, through plastics dog and fastening screw butt that prevents dust, realizes controlling fastening screw's rotation indirectly, utilizes plastics dog that prevents dust effectively to avoid fastening screw directly to expose in surge protector's external environment to effectively avoid fastening screw to receive dust pollution and damage, improve surge protector's reliability.
Drawings
Fig. 1 is a schematic structural view of a surge protector with a dustproof fastening screw structure according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The surge protector with a dust-proof fastening screw structure according to the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Please refer to fig. 1 to 2.
The utility model provides a surge protector with dustproof fastening screw structure mainly includes casing 1, overvoltage protection subassembly 2, fastening screw 3 and the dustproof dog 4 of plastics. Connecting groove 101 has been seted up respectively to 1 top of casing and bottom, the embedded conductive sleeve 102 that is equipped with of connecting groove 101, conductive sleeve 102 adopts wire metal material, overvoltage protection subassembly 2 sets up in 1 inside of casing and is connected through the wire with conductive sleeve 102, still set up the fastening chamber 103 that corresponds with connecting groove 101 on the casing 1, fastening screw 3 sets up in fastening chamber 103, 3 one ends of fastening screw are rotatory to be worn to establish to conductive sleeve 102 in, first swivelling chute 301 has been seted up to the fastening screw 3 other end, the dustproof dog 4 rotary sliding of plastics sets up in fastening chamber 103, the dustproof dog 4 one end of plastics is provided with the rotatory protruding 401 that corresponds with first swivelling chute 301, the dustproof dog 4 other ends of plastics have seted up second swivelling chute 402.
Adopt the utility model discloses a during surge protector, live wire and zero line pass through the conducting sleeve 102 and are connected with surge protector's overvoltage protection subassembly 2, wherein the wiring end of live wire and zero line stretches into behind the conducting sleeve 102, utilize the screwdriver to pass through the dustproof dog 4 of plastics and 3 butts of fastening screw, the screwdriver end matches with second swivelling chute 402, during the rotatory screwdriver, the dustproof dog 4 of plastics matches through rotatory protruding 401 and the first swivelling chute 301 on the fastening screw 3, utilize rotatory protruding 401 and the cooperation of first swivelling chute 301, drive the whole conductive sleeve 102 direction screw in of orientation of fastening screw 3, utilize fastening screw 3 to compress tightly the wiring end of live wire and zero line, realize live wire and zero line respectively with the surge protector installation of the utility model.
Wherein through the isolated fastening screw 3 of the dustproof dog 4 of plastics and outside direct contact, prevent effectively that fastening screw from directly exposing in external environment and causing the damage, guarantee surge protector normal use, it is effective high the utility model discloses a surge protector reliability.
In an embodiment, the cavity wall of the fastening cavity 103 is provided with an elastic resetting component 104, the elastic resetting component 104 generates an elastic acting force on the plastic dustproof stop block 4 in the direction away from the fastening screw 3, specifically, the shell 1 is provided with an avoiding groove communicated with the fastening cavity 103, after the screwdriver removes the acting force on the plastic dustproof stop block 4, the plastic dustproof stop block 4 is automatically separated from the fastening screw 3 under the elastic acting force of the elastic resetting component 104, and the part of the plastic dustproof stop block 4 passes through the avoiding groove, so that the fastening cavity 103 is sealed, and meanwhile, the fastening screw 3 is conveniently rotated and adjusted next time.
Specifically, the elastic reset assembly 104 includes a reset spring 1041 and a reset push block 1042, the fastening cavity 103 surrounds the limit cavity 1031, the reset spring 1041 is disposed in the limit cavity 1031, the reset push block 1042 is slidably disposed in the limit cavity 1031 and abutted against one end of the reset spring 1041, the middle portion of the reset push block 1042 extends into the fastening cavity 103 to form an abutting projection 10421, and the reset push block 1042 is abutted against the plastic dust-proof stop block 4 through the abutting projection 10421. Reset spring 1041 carries out spacing installation through spacing chamber 1031, reset spring 1041 compresses in spacing chamber 1031, wherein still be provided with the spacing groove (not shown in the figure) that intercommunication fastening chamber 103 and spacing chamber 1031 on the fastening chamber 103, the protruding 10421 butt of wearing out behind the spacing groove with the dustproof dog 4 butt of plastics, after the rotation regulation of accomplishing fastening screw 3, withdraw the effort of screwdriver to the dustproof dog 4 of plastics, under reset spring 1041's effort, promote the dustproof dog 4 of plastics and outwards reset through the protruding 10421 butt, thereby make the part of the dustproof dog 4 of plastics pass and dodge the groove.
In an embodiment, the inner wall of the conductive sleeve 102 is provided with the clamping spring piece 1021, the clamping spring piece 1021 is symmetrically arranged on two inner side walls of the conductive sleeve 102, the inserted electric wire is clamped through the clamping spring piece 1021, the electric wire is pre-fixed, the probability that the electric wire drops from the conductive sleeve 102 in the installation process is reduced, the fastening effect of the subsequent fastening screw 3 on the electric wire is facilitated, and the operation convenience of the surge protector in use is effectively improved. It should be noted that the end of the clamping spring 1021 is sleeved with an insulating heat-shrinkable tube 1022, wherein the clamping effect of the clamping spring 1021 on the electric wire is increased by the insulating heat-shrinkable tube 1022.
In another embodiment, casing 1 outer wall inlays and is equipped with the silica gel piece 5 that discolours, and self colour is turned into red principle by blue after absorbing moisture through the silica gel piece 5 that discolours, makes the utility model discloses a surge protector has the relative humidity who directly perceived instruction indicates the environment to convenient to use person monitors the humidity of environment, avoids the circuit short circuit and leads to surge protector's effect inefficacy.
To sum up, the utility model discloses a when surge protector carries out the line body installation, through plastics dog and fastening screw butt that prevents dust, indirect realization control fastening screw's rotation utilizes plastics dog that prevents dust effectively to avoid fastening screw directly to expose in surge protector's external environment to effectively avoid fastening screw to receive dust pollution and damage, improve surge protector's reliability.
In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are intended to be included within the spirit and scope of the present invention.
Claims (6)
1. A surge protector with a dust-proof fastening screw structure, comprising: casing, overvoltage protection subassembly, fastening screw and the dustproof dog of plastics, the spread groove has been seted up respectively to casing top and bottom, the embedded conductive sleeve that is equipped with of spread groove, the overvoltage protection subassembly set up in the casing inside and with the conductive sleeve passes through the wire and connects, still seted up on the casing with the fastening chamber that the spread groove corresponds, fastening screw set up in the fastening intracavity, fastening screw one end is worn to establish to in the conductive sleeve, first swivelling chute has been seted up to the fastening screw other end, the dustproof dog of plastics rotationally slide set up in the fastening intracavity, the dustproof dog one end of plastics be provided with the rotatory arch that first swivelling chute corresponds, the dustproof dog other end of plastics has seted up the second swivelling chute.
2. The surge protector with dust-proof fastening screw structure of claim 1, wherein the cavity wall of the fastening cavity is provided with an elastic reset assembly, and the elastic reset assembly generates elastic force to the plastic dust-proof stop block in a direction away from the fastening screw.
3. A surge protector with a dust-tight fastening screw structure as claimed in claim 2, wherein the resilient return assembly comprises: reset spring and ejector pad that resets, the fastening chamber is encircleed to be equipped with spacing chamber, reset spring set up in spacing intracavity, the ejector pad that resets slide set up in spacing intracavity and with reset spring one end butt, it is protruding to extend the formation butt in the fastening intracavity in the middle part of the ejector pad that resets, the butt protruding with the dustproof dog butt of plastics.
4. A surge protector with a dust-proof fastening screw structure according to claim 3, wherein a clamping spring is provided on an inner wall of the conductive sleeve.
5. A surge protector with a dustproof fastening screw structure according to claim 4, wherein an insulating heat-shrinkable tube is sleeved at the tail end of the clamping spring.
6. A surge protector with a dust-proof fastening screw structure according to any one of claims 1 to 5, wherein a color-changing silica gel block is embedded in an outer wall of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146431.0U CN214543610U (en) | 2021-05-26 | 2021-05-26 | Surge protection device with dustproof fastening screw structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146431.0U CN214543610U (en) | 2021-05-26 | 2021-05-26 | Surge protection device with dustproof fastening screw structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214543610U true CN214543610U (en) | 2021-10-29 |
Family
ID=78284661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121146431.0U Expired - Fee Related CN214543610U (en) | 2021-05-26 | 2021-05-26 | Surge protection device with dustproof fastening screw structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214543610U (en) |
-
2021
- 2021-05-26 CN CN202121146431.0U patent/CN214543610U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |