CN112235973A - Stable sealing protection structure for variable frequency power supply - Google Patents
Stable sealing protection structure for variable frequency power supply Download PDFInfo
- Publication number
- CN112235973A CN112235973A CN202011044689.XA CN202011044689A CN112235973A CN 112235973 A CN112235973 A CN 112235973A CN 202011044689 A CN202011044689 A CN 202011044689A CN 112235973 A CN112235973 A CN 112235973A
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- Prior art keywords
- fixed
- power supply
- protection structure
- motor
- frequency power
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a stable sealing protection structure for a variable frequency power supply, which comprises a base, a box body, a fixing plate, a connector, a box door, a handle, a top cover, a stabilizing device, a sealing mechanism and a through hole, wherein the stabilizing device is arranged at the right lower end in the box body, an independent motor is arranged in the stabilizing device, and the motor drives an internal transmission mechanism, so that a connecting wire passing through the bottom can be quickly fixed, and the stable sealing protection structure is strong in stability after being fixed and cannot shake; a rotating part driven by a motor is arranged in a transmission mechanism arranged in the middle of the box body, the rotating part rotates to enable a pressing plate at the bottom to be bent through a contact wheel, and a connecting wire is stably fixed by a bottom pressing part conveniently; the middle part of the back of the box door is provided with the sealing mechanism, and after the sealing mechanism is driven by the motor to drive the belt wheel to move, the sealing strip at the left end can seal the gap through the movement of the gear and the rack, so that the sealing effect is good, and impurities are prevented from entering the sealing mechanism.
Description
Technical Field
The invention relates to the field related to variable frequency power supply accessories, in particular to a stable sealing protection structure for a variable frequency power supply.
Background
The frequency conversion power supply outputs pure sine waves by AC → DC → AC conversion of alternating current in commercial power, the output frequency and voltage can be adjusted within a certain range, the frequency conversion power supply is different from a frequency conversion speed regulation controller for motor speed regulation and also different from a common alternating current stabilized power supply, and the ideal alternating current power supply has the characteristics of stable frequency, stable voltage, zero internal resistance and pure sine wave (without distortion) voltage waveform, and when the frequency conversion power supply is used, the frequency conversion power supply needs to be installed in a special stable sealing protection structure to provide stable protection for the work of the frequency conversion power supply.
Carry out the in-service use in-process at inverter power supply with stable sealed protective structure, because insert often outside the external connecting wire of access needs, need the artifical outside anchor clamps that utilize to fix, frequent dismouting comparatively consumes the manpower to there is the gap in the chamber door and box after the closure, sealed effect is relatively poor.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a stable sealing protection structure for a variable frequency power supply.
The invention is realized in such a way that a stable sealing protection structure for a variable frequency power supply is constructed, the device comprises a base, the top of the base is fixed with a box body, the lower end of the right side of the base is fixed with a fixed plate through a bolt, the right side of the fixed plate is provided with a connector, the upper end of the front end surface of the box body is hinged with a box door, the upper end and the lower end of the front end surface of the box body are fixed with handles, the top of the box body is fixed with a top cover, the right lower end in the box body is provided with a through hole, the right side of the through hole is communicated with the connector, the right lower end in the box body is provided with a stabilizing device, the middle part of the back surface of the box door is connected with a sealing mechanism, the stabilizing device comprises a shell, a first motor, an, the middle part in the shell is provided with a transmission mechanism, and the middle part in the opening is communicated with the through hole.
Preferably, drive mechanism is including rotating piece, connecting axle, contact wheel, support, clamp plate, casting die, mounting, loading board and firm seat, rotate the piece and arrange casing upper end middle part in, mid-mounting has the connecting axle in the rotation piece to the connecting axle back meets with first motor front end output shaft, it contacts with the contact wheel to rotate the bottom, middle part rotates with the support in the contact wheel and is connected, the support bottom is fixed with the clamp plate, the clamp plate bottom is fixed with the casting die, clamp plate bottom right side meets with the mounting to the mounting right side welds with the casing, the inboard lower extreme of mounting is fixed with the loading board, the loading board left side meets with firm seat, firm seat left side is fixed with the casing.
Preferably, airtight mechanism includes fixed plate, motor cabinet, second motor, driving pulley, hold-in range, driven pulley, fixed axle, gear, rack, slide and airtight strip, the fixed plate all is provided with two sets ofly to both ends about the chamber door back are fixed respectively to two sets of fixed plate front ends, the lower right end is fixed with the motor cabinet in the fixed plate, the second motor is installed at the motor cabinet top, second motor bottom output shaft meets with driving pulley, driving pulley external diameter surface carries out synchronous revolution through hold-in range and driven pulley, the middle part meets with the fixed axle in the driven pulley, both ends are run through the fixed plate and are met with the middle part in the gear about the fixed axle, the gear back and rack intermeshing, the rack back is fixed with the slide, the slide left side meets with airtight strip.
Preferably, the opening is oval in shape and the opening width is equal to the through opening width.
Preferably, the bottom of the rotating part is convex, and the thickness of the rotating part is larger than that of the contact wheel.
Preferably, the bottom of the pressing piece and the top of the bearing plate are both arc-shaped, and a rubber layer is bonded on the inner sides of the pressing piece and the bearing plate.
Preferably, the pressure plate is parallel to the housing, and the maximum bending angle of the pressure plate is 30 °.
Preferably, the rear end in the fixing plate is provided with a sliding chute which is long-strip-shaped.
Preferably, the middle part of the inner side of the rack is convex, and the middle part of the inner side of the rack is movably embedded into the middle part of the sliding chute.
Preferably, a silica gel layer is bonded on the left side of the sealing strip, and the thickness of the silica gel layer is 1 cm.
Preferably, the pressure plate is made of spring steel.
Preferably, the rack is made of alloy steel.
The invention has the following advantages: the invention provides a stable sealing protection structure for a variable frequency power supply through improvement, and compared with the same type of equipment, the stable sealing protection structure has the following improvements:
the method has the advantages that: according to the stable sealing protection structure for the variable frequency power supply, the stabilizing device is arranged at the right lower end in the box body, the independent motor is arranged in the stabilizing device, the motor drives the internal transmission mechanism, so that a connecting wire passing through the bottom can be quickly fixed, the stability is high after the fixing, and the shaking cannot occur.
The method has the advantages that: according to the stable sealing protection structure for the variable frequency power supply, the rotating part driven by the motor is arranged in the transmission mechanism arranged in the middle of the box body, the rotating part rotates to enable the pressing plate at the bottom to be bent through the contact wheel, and the bottom pressing part is convenient to stably fix the connecting wire.
The method has the advantages that: according to the stable sealing protection structure for the variable frequency power supply, the sealing mechanism is arranged in the middle of the back surface of the box door, and after the sealing mechanism is driven by the motor to move by the belt wheel, the sealing strip at the left end can seal the gap through the movement of the gear rack, so that the sealing effect is good, and impurities are prevented from entering.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the case of the present invention;
FIG. 3 is a schematic view of the anchoring device of the present invention;
FIG. 4 is a schematic view of the drive mechanism of the present invention;
fig. 5 is a schematic structural diagram of the sealing mechanism of the present invention.
Wherein: base-1, box-2, fixed plate-3, connector-4, box door-5, handle-6, top cover-7, stabilizing device-8, sealing mechanism-9, through opening-10, shell-81, first motor-82, opening-83, transmission mechanism-84, rotating piece-841, connecting shaft-842, contact wheel-843, support-844, pressing plate-845, pressing piece-846, fixing piece-847, bearing plate-848, stabilizing base-849, fixed plate-91, motor base-92, second motor-93, driving pulley-94, synchronous belt-95, driven pulley-96, fixing shaft-97, gear-98, rack-99, sliding plate-910, sliding plate-841, A sealing strip-911 and a chute-9101.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example one
Referring to fig. 1 and 2, the present invention provides a stable sealing protection structure for a variable frequency power supply through an improvement, including a base 1, wherein the top of the base 1 is fixed with a box body 2, the lower end of the right side of the base 1 is fixed with a fixing plate 3 through a bolt, the right side of the fixing plate 3 is provided with a connector 4, the upper end of the front end surface of the box body 2 is hinged with a box door 5, the upper and lower ends of the front end surface of the box body 2 are fixed with handles 6, the top of the box body 2 is fixed with a top cover 7, the right lower end of the inside of the box body 2 is provided with a through hole 10, the right side of the through hole 10 is communicated with the connector 4, the right lower end.
Referring to fig. 3, the present invention provides a stable sealing protection structure for a variable frequency power supply by an improvement, wherein the stabilizing device 8 includes a housing 81, a first motor 82, an opening 83 and a transmission mechanism 84, the back of the housing 81 is connected to the right lower end of the inside of the box 2, the first motor 82 is fixed to the left upper end of the front end surface of the housing 81, the right lower end of the inside of the housing 81 is provided with the opening 83, the transmission mechanism 84 is arranged in the middle of the inside of the housing 81, the middle of the inside of the opening 83 is communicated with the through opening 10, the opening 83 is in an elliptical shape, and the width of the opening 83 is equal to the width.
Referring to fig. 4, the present invention provides a stable sealing protection structure for a variable frequency power supply by improving, wherein a transmission mechanism 84 includes a rotation member 841, a connection shaft 842, a contact wheel 843, a support 844, a pressing member 845, a pressing member 846, a fixing member 847, a bearing plate 848, and a stable base 849, the rotation member 841 is disposed at the middle of the upper end of a housing 81, the connection shaft 842 is mounted at the middle of the rotation member 841, the back surface of the connection shaft 842 is connected to the output shaft of the front end of a first motor 82, the bottom of the rotation member 841 is in contact with the contact wheel 843, the bottom of the rotation member 841 is convex, the thickness of the rotation member 841 is greater than that of the contact wheel 843, the transmission is stable and not easy to deviate, the middle of the contact wheel 843 is rotatably connected to the support 844, the bottom of the support 844 is fixed to the pressing member 845, the bottom of the pressing member, the clamp plate 845 is parallel with the casing 81, and the biggest bend angle of clamp plate 845 is 30, the convenience is carried out stable pressure to the connecting wire of bottom process and is fixed, clamp plate 845 adopts the spring steel material, elasticity is big, the durability is strong, the inboard lower extreme of mounting 847 is fixed with loading board 848, loading board 848 left side meets with firm seat 849, it fixes with casing 81 to stabilize seat 849 left side, casting die 846 bottom and loading board 848 top all are the arc form, and both inboards all bond there is the one deck rubber layer, good fixity, and frictional force is big.
Referring to fig. 5, the present invention provides a stable sealing protection structure for a variable frequency power supply by improving, wherein the sealing mechanism 9 includes two sets of fixing plates 91, a motor base 92, a second motor 93, a driving pulley 94, a synchronous belt 95, a driven pulley 96, a fixing shaft 97, a gear 98, a rack 99, a sliding plate 910 and a sealing strip 911, the fixing plates 91 are respectively provided with two sets, front ends of the two sets of fixing plates 91 are respectively fixed at upper and lower ends of the back of the door 5, the motor base 92 is fixed at the right lower end inside the fixing plate 91, the second motor 93 is installed at the top of the motor base 92, an output shaft at the bottom of the second motor 93 is connected with the driving pulley 94, an outer diameter surface of the driving pulley 94 synchronously rotates with the driven pulley 96 through the synchronous belt 95, the middle inside the driven pulley 96 is connected with the fixing shaft 97, the upper and lower ends of the fixing, spout 9101 has been seted up to the rear end in fixed plate 91, and spout 9101 is rectangular form, the inboard middle part of rack 99 is the protrusion form, and the inboard middle part activity of rack 99 is embedded into middle part in spout 9101, the effectual slip that stabilizes that carries on, rack 99 adopts alloy steel material, high strength, stability is strong, the rack 99 back is fixed with slide 910, slide 910 left side meets with airtight strip 911, sealing strip 911 left side bonds and has one deck silica gel layer, and the silica gel layer thickness is 1cm, frictional force is big, and is sealed effectual.
Example two
The invention provides a stable sealing protection structure for a variable frequency power supply through improvement, a sealing cover is arranged on the left side of a shell 81, and the shell 81 is fixed with the sealing cover through a bolt, so that the interior of the shell is convenient to inspect and maintain; the contact surfaces of the rotating piece 841 and the contact wheel 843 are smooth, the friction force is small, and the transmission is stable; the length of the sealing strip 911 is larger than the height of the box door 5, so that stable sealing is conveniently performed on the gap position on the left side of the box door 5.
The invention provides a stable sealing protection structure for a variable frequency power supply through improvement, and the working principle is as follows;
firstly, when the equipment needs to be used, firstly, the protective structure is placed at a position needing to be used, the position needs to be horizontal, then, a connecting wire needing to be accessed from the outside is connected to the connector 4, then, a variable frequency power supply element needing to be installed is installed in the box body 2, then, the connecting wire sequentially penetrates through an opening 83 at the lower end in the shell 81 to the through hole 10 to be connected with the connector 4, and then, the first motor 82 and the second motor 93 are connected with electric control equipment on the variable frequency power supply, so that the required electric energy can be provided for the work of the first motor and the second motor and the electric control equipment can be controlled;
secondly, a user starts the first motor 82 to work, an output shaft at the back of the bottom of the first motor 82 drives the rotating piece 841 inside to rotate, in the rotating process of the rotating piece 841, the contact wheel 843 at the bottom is pressed under stress, the pressing plate 845 at the bottom can be bent, then the pressing piece 846 at the bottom can press the passing connecting wire, and the bearing plate 848 at the bottom lifts the connecting wire to realize fixation;
thirdly, close chamber door 5 and begin to seal after that, start second motor 93 work after that, second motor 93 bottom output shaft drives driving pulley 94 and rotates, then driving pulley 94 makes driven pulley 96 rotate through hold-in range 95, then the fixed axle 97 at middle part makes the gear 98 at upper and lower both ends rotate in driven pulley 96, gear 98 can drive the motion of rack 99, make it move to the left end, then slide 910 that connects between rack 99 also slides along following, then the airtight strip 911 that slide 910 left side is connected can contact the gap of chamber door 5, realize sealedly.
According to the stable sealing protection structure for the variable frequency power supply, the stabilizing device 8 is arranged at the lower right end in the box body 2, the independent motor is arranged in the stabilizing device 8, and the motor drives the internal transmission mechanism 84, so that a connecting wire passing through the bottom can be quickly fixed, and the stable sealing protection structure for the variable frequency power supply is strong in stability after being fixed and cannot shake; a rotating part 841 driven by a motor is arranged in a transmission mechanism 84 arranged in the middle part in the box body 2, the rotating part 841 rotates to bend a pressing plate 845 at the bottom through a contact wheel 843, and the bottom pressing piece 846 is convenient to stably fix a connecting wire; the middle of the back of the box door 5 is provided with the sealing mechanism 9, the sealing mechanism 9 is driven by the motor to drive the belt wheel to move, and then the sealing strip 911 at the left end can seal the gap through the movement of the gear 98 and the rack 99, so that the sealing effect is good, and impurities are prevented from entering the gap.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A stable sealing protection structure for a variable frequency power supply comprises a base (1), wherein the top of the base (1) is fixed with a box body (2), the lower end of the right side of the base (1) is fixed with a fixing plate (3) through a bolt, a connector (4) is installed on the right side of the fixing plate (3), the upper end of the front end face of the box body (2) is hinged with a box door (5), handles (6) are fixed at the upper end and the lower end of the front end face of the box body (2), the top of the box body (2) is fixed with a top cover (7), a through hole (10) is formed in the lower right end of the box body (2), and the right side of the through hole (10) is communicated with the connector;
the method is characterized in that: still include securing device (8) and airtight mechanism (9), right lower extreme is provided with securing device (8) in box (2), chamber door (5) back middle part meets with airtight mechanism (9), securing device (8) include casing (81), first motor (82), opening (83) and drive mechanism (84), right lower extreme meets in casing (81) back and box (2), the upper left end of terminal surface is fixed with first motor (82) before casing (81), opening (83) have been seted up to right lower extreme in casing (81), the middle part is provided with drive mechanism (84) in casing (81), middle part communicates with each other with opening (10) in opening (83).
2. The stable sealing protection structure for the variable frequency power supply according to claim 1, characterized in that: the transmission mechanism (84) comprises a rotating piece (841), a connecting shaft (842), a contact wheel (843), a support (844), a pressing plate (845), a pressing piece (846), a fixing piece (847), a bearing plate (848) and a stabilizing seat (849), wherein the rotating piece (841) is arranged in the middle of the upper end of the shell (81), the connecting shaft (842) is arranged in the rotating piece (841), the back surface of the connecting shaft (842) is connected with an output shaft at the front end of a first motor (82), the bottom of the rotating piece (841) is contacted with the contact wheel (843), the middle of the contact wheel (843) is rotatably connected with the support (844), the bottom of the support (844) is fixed with the pressing plate (845), the bottom of the pressing plate (845) is fixed with the pressing piece (846), the right side of the bottom of the pressing plate (845) is connected with the fixing piece (847), and the right side of the fixing piece (847), the lower end of the inner side of the fixing piece (847) is fixedly provided with a bearing plate (848), the left side of the bearing plate (848) is connected with a stabilizing seat (849), and the left side of the stabilizing seat (849) is fixed with the shell (81).
3. The stable sealing protection structure for the variable frequency power supply according to claim 1, characterized in that: the sealing mechanism (9) comprises a fixing plate (91), a motor base (92), a second motor (93), a driving belt wheel (94), a synchronous belt (95), a driven belt wheel (96), a fixing shaft (97), a gear (98), a rack (99), a sliding plate (910) and a sealing strip (911), wherein the fixing plate (91) is provided with two groups, the front ends of the two groups of fixing plates (91) are respectively fixed at the upper end and the lower end of the back surface of the box door (5), the motor base (92) is fixed at the inner right lower end of the fixing plate (91), the second motor (93) is installed at the top of the motor base (92), an output shaft at the bottom of the second motor (93) is connected with the driving belt wheel (94), the outer diameter surface of the driving belt wheel (94) is synchronously rotated with the driven belt wheel (96) through the synchronous belt (95), the inner middle part of the, the upper end and the lower end of the fixed shaft (97) penetrate through the fixed plate (91) to be connected with the middle part in the gear (98), the back of the gear (98) is meshed with the rack (99), the back of the rack (99) is fixed with the sliding plate (910), and the left side of the sliding plate (910) is connected with the sealing strip (911).
4. The stable sealing protection structure for the variable frequency power supply according to claim 1, characterized in that: the opening (83) is oval-shaped, and the width of the opening (83) is equal to the width of the through opening (10).
5. The stable sealing protection structure for the variable frequency power supply according to claim 2, characterized in that: the bottom of the rotating piece (841) is convex, and the thickness of the rotating piece (841) is larger than that of the contact wheel (843).
6. The stable sealing protection structure for the variable frequency power supply according to claim 2, characterized in that: the bottom of the pressing piece (846) and the top of the bearing plate (848) are both arc-shaped, and a layer of rubber layer is bonded on the inner sides of the pressing piece (846) and the bearing plate (848).
7. The stable sealing protection structure for the variable frequency power supply according to claim 2, characterized in that: the pressure plate (845) is parallel to the housing (81), and the maximum bending angle of the pressure plate (845) is 30 degrees.
8. The stable sealing protection structure for the variable frequency power supply according to claim 3, characterized in that: the rear end in fixed plate (91) has seted up spout (9101) to spout (9101) is rectangular form.
9. The stable sealing protection structure for the variable frequency power supply according to claim 3, characterized in that: the middle part of the inner side of the rack (99) is convex, and the middle part of the inner side of the rack (99) is movably embedded into the middle part of the sliding groove (9101).
10. The stable sealing protection structure for the variable frequency power supply according to claim 3, characterized in that: and a silica gel layer is bonded on the left side of the sealing strip (911), and the thickness of the silica gel layer is 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044689.XA CN112235973B (en) | 2020-09-28 | 2020-09-28 | Stable sealing protection structure for variable frequency power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044689.XA CN112235973B (en) | 2020-09-28 | 2020-09-28 | Stable sealing protection structure for variable frequency power supply |
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| Publication Number | Publication Date |
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| CN112235973A true CN112235973A (en) | 2021-01-15 |
| CN112235973B CN112235973B (en) | 2021-08-10 |
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| CN202011044689.XA Active CN112235973B (en) | 2020-09-28 | 2020-09-28 | Stable sealing protection structure for variable frequency power supply |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692450A (en) * | 2016-03-15 | 2016-06-22 | 山东钢铁股份有限公司 | Anti-detachment safety cable pulley and assembly process thereof |
| CN108110690A (en) * | 2016-11-25 | 2018-06-01 | 周佐贤 | A kind of network layout fixing device |
| CN208257007U (en) * | 2018-05-24 | 2018-12-18 | 上海山容塑料科技有限公司 | A kind of waterproof plug seat and protective housing |
-
2020
- 2020-09-28 CN CN202011044689.XA patent/CN112235973B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692450A (en) * | 2016-03-15 | 2016-06-22 | 山东钢铁股份有限公司 | Anti-detachment safety cable pulley and assembly process thereof |
| CN108110690A (en) * | 2016-11-25 | 2018-06-01 | 周佐贤 | A kind of network layout fixing device |
| CN208257007U (en) * | 2018-05-24 | 2018-12-18 | 上海山容塑料科技有限公司 | A kind of waterproof plug seat and protective housing |
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| CN112235973B (en) | 2021-08-10 |
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