CN114264855B - Ammeter with dampproofing theftproof function - Google Patents
Ammeter with dampproofing theftproof function Download PDFInfo
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- CN114264855B CN114264855B CN202111175770.6A CN202111175770A CN114264855B CN 114264855 B CN114264855 B CN 114264855B CN 202111175770 A CN202111175770 A CN 202111175770A CN 114264855 B CN114264855 B CN 114264855B
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Abstract
The invention discloses an ammeter with a dampproof and anti-theft function, which comprises a shell and an ammeter body, wherein the ammeter body is fixedly arranged in the shell, a door plate is rotatably arranged on the front surface of the shell through two rotating shafts, a housing is fixedly arranged in the shell, a rotating assembly and a guide shaft are rotatably arranged in the housing, a pull rope is wound on the rotating assembly, the movable end of the pull rope bypasses the guide shaft and is fixedly connected with one of the rotating shafts, a moving assembly and a telescopic assembly are fixedly arranged in the housing, and a connecting assembly is clamped at the bottom of the telescopic assembly; according to the electric meter, through the cooperation among the rotating assembly, the moving assembly, the telescopic assembly, the connecting assembly and the like, the electric meter body can be effectively protected, the installation reliability of the electric meter body is improved, and meanwhile, the electricity utilization inquiry, the overhaul and the replacement of the electric meter body are not influenced.
Description
Technical Field
The invention relates to the technical field of electric meters, in particular to an electric meter with a dampproof and antitheft function.
Background
The ammeter is an abbreviation of electric energy meter, is a meter for measuring electric energy, also called an electric meter, a fire meter, an electric energy meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities; today, every person's home has at least one electricity meter.
Chinese patent publication No. CN112904066a, discloses a smart meter named as antitheft smart meter, comprising a housing and a smart meter, wherein a plurality of locking mechanisms and antitheft mechanisms are arranged on the outer peripheral wall of the housing; the anti-theft mechanism is provided with a locking part connected with the locking mechanism; the intelligent ammeter mounting device has the advantages of protecting the intelligent ammeter, improving the mounting reliability of the intelligent ammeter and the like.
The application shows in the background art that: a protective cover is usually arranged above the installation cavity, and when a user or a worker needs to inquire about electricity consumption, the protective cover needs to be opened and a key on one side of the installation cavity is pressed down; meanwhile, the protective cover is usually transparent in our daily life; according to the intelligent ammeter, the inner wall of the shell is deformed by triggering the expanding agent, so that the holding force is generated on the intelligent ammeter main body inside, and a non-staff cannot take out the intelligent ammeter main body; however, the use of the expanding agent needs maintenance, and meanwhile, after multiple triggers, the deformation of the expanding agent cannot guarantee the holding force of the intelligent ammeter main body, so that the installation reliability of the intelligent ammeter main body cannot be guaranteed, and certain use limitations exist.
Therefore, it is necessary to provide an ammeter with dampproof and anti-theft functions to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an ammeter with a dampproof and anti-theft function, so as to solve the problems that the installation reliability of an intelligent ammeter main body cannot be guaranteed in the background technology.
In order to achieve the above purpose, the present invention is realized by the following technical scheme: the utility model provides an ammeter with dampproofing theftproof function, includes casing and ammeter body, ammeter body fixed mounting is in the inside of casing, the front surface of casing rotates through two pivots and installs the door plant, the inside fixed mounting of casing has the housing, rotating assembly and guiding axle are installed in the inside rotation of housing, rotating assembly is curled up and is equipped with the stay cord, the loose end of stay cord walk around the guiding axle and with one of them pivot fixed connection, the inside fixed mounting of housing has two moving assembly and two telescopic assembly, the bottom joint of telescopic assembly has coupling assembling, the moving assembly realizes the horizontal migration through two moving assembly relative rotating assembly of meshing cooperation mode drive, moving assembly realizes going up and down through laminating cooperation mode drive telescopic assembly relative ammeter body.
Through adopting the technical scheme, when staff needs to inquire electricity information, the door plate is opened at first, at this moment, the two rotating shafts synchronously rotate, the rotating shaft above pulls the pull rope in the rotating process, the pull rope drives the rotating assembly to realize rotation through the guide shaft, the rotating assembly drives the two moving assemblies to approach towards the middle in the rotating process, the two moving assemblies can extrude the telescopic assembly in the approaching process to enable the telescopic assembly to descend, the telescopic assembly drives the connecting assembly to synchronously descend when descending, and the connecting assembly after descending is positioned at the front upper part of the ammeter body, so that the protection effect on the ammeter body is achieved; when the door plate is closed after the inquiry is finished, the rotating assembly can automatically reversely rotate and reset, at the moment, the two moving assemblies are separated towards two sides, and the telescopic assembly and the connecting assembly rise along with the lifting, so that the following process is realized: the ammeter body is blocked by the descending of the door opening plate connecting assembly, the ascending of the door opening plate connecting assembly is reset to the inside of the housing, and the protrusion is reduced to ensure the overall aesthetic property when the ammeter body is watched through the door plate.
As a further scheme of the invention, the rotating assembly comprises a short rod, the short rod is rotationally connected with the inner wall of the housing through a bearing, a first torsion spring is sleeved on the outer surface of the short rod, a gear is fixedly arranged at the end part of the short rod far away from the housing, an annular groove is formed in the outer surface of the short rod, and the pull rope is wound in the annular groove.
By adopting the technical scheme, when the door plate is opened, the stay rope can be pulled, the short rod can correspondingly rotate, at the moment, the first torsion spring is twisted, the gear synchronously rotates along with the short rod, and the gear can drive the two moving assemblies to approach towards the middle in the rotation process; when the door plate is closed, under the action of the first torsion spring, the short rod and the gear reversely rotate, and at the moment, the two moving assemblies are separated towards two sides; the annular groove has a limiting effect on the pull rope, and can prevent the pull rope from being excessively deviated back and forth in the unreeling and reeling processes.
As a further scheme of the invention, the guide shaft is arranged on the intersection point of the extension line of the short rod and one of the rotating shafts, the outer surface of the guide shaft is provided with a positioning groove, and the stay cord bypasses the inside of the positioning groove when the guide shaft is wound.
By adopting the technical scheme, the guide shaft is rotatably arranged on the intersection point of the right extension line of the short rod and the rear extension line of the upper rotating shaft through the bearing, so that the stay rope between the short rod and the guide shaft is in a left-right horizontal state, and the stay rope between the guide shaft and the upper rotating shaft is in a front-back horizontal state, and therefore the stay rope can be better led out from the housing and is fixedly connected with the outer surface of the upper rotating shaft; the locating slot has a limiting effect on the pull rope, and can prevent the pull rope from being excessively deviated up and down in the unreeling and reeling processes.
As a further scheme of the invention, the moving assembly comprises a telescopic rod, the telescopic rod is fixedly connected with the inner wall of the housing, a rack is fixedly arranged at the movable end of the telescopic rod and meshed with the gear, and a wedge-shaped block is fixedly arranged on the surface of the rack, which is close to the telescopic assembly.
By adopting the technical scheme, when the gear of the rotating assembly rotates, the rack meshed with the gear starts to approach the gear and drives the wedge block at the bottom to synchronously move, and the wedge block can extrude the telescopic assembly in the moving process; when the gear of the rotating assembly reversely rotates, the rack meshed with the gear is far away from the gear, and the wedge blocks are separated towards two sides; in the approaching and separating process of the racks, the telescopic rod plays a supporting role.
As a further scheme of the invention, the telescopic component comprises a base, the base is fixedly connected with the inner wall of the housing, a sliding rod is slidably arranged in the base, a lantern ring is fixedly arranged on the outer surface of the sliding rod, a second spring is sleeved below the lantern ring on the outer surface of the sliding rod, the top of the sliding rod is attached to the wedge-shaped block, a clamping groove is formed in the bottom of the sliding rod, four placing grooves are formed in the sliding rod, a partition plate is arranged in the placing grooves, a clamping block is fixedly arranged on one side, close to the connecting component, of the partition plate, and a third spring is fixedly arranged between the other side of the partition plate and the groove wall of the placing groove. The connecting assembly comprises a round rod, a boss is fixedly arranged at the top of the round rod, square holes are formed in the round rod and the boss in a penetrating mode, four clamping holes are formed in the outer surface of the boss, the four clamping holes are communicated with the square holes, the boss is movably clamped in the clamping groove, and the clamping block is movably clamped in the clamping holes.
By adopting the technical scheme, when the wedge-shaped block of the moving assembly is folded towards the middle, the sliding rod is extruded to be downwards, the sliding rod extrudes the second spring through the lantern ring, and meanwhile, the sliding rod drives the round rod to descend to the front upper part of the ammeter body through the boss, so that the ammeter body is protected; when the wedge blocks of the moving assembly are separated towards two sides, the sliding rod automatically rises under the action of the second spring, and the boss drives the round rod to rise.
The top of the boss is designed as a rounding; the sliding rod is correspondingly clamped with the boss through the clamping hole and the clamping block, so that the limiting between the sliding rod and the boss as well as between the sliding rod and the round rod is realized; when the later-stage staff needs to disassemble, overhaul and replace the ammeter body, a square rod (not shown in the figure) corresponding to the square hole is needed to unlock the limit between the slide rod and the boss; firstly, the bottom of a round rod is moved by a square rod, the square rod is upwards inserted in alignment with a square hole, a clamping block is extruded by the edge of the square rod to move in a corresponding placing groove, at the moment, a boss and the round rod can be taken down, and then the ammeter body can be loosened and taken down; after maintenance and replacement are finished, the boss is aligned to the clamping groove and is lifted upwards, the top of the boss can extrude the clamping block to enable the clamping block to move in the corresponding placing groove, meanwhile, the third spring is extruded, then under the action of the partition plate and the third spring, the clamping block automatically resets and is clamped into the corresponding clamping hole, and effective limiting between the sliding rod and the boss and between the sliding rod and the round rod can be achieved.
As a further scheme of the invention, a ratchet wheel is fixedly arranged on the outer surface of one rotating shaft, a groove is formed in the front surface of the housing, a limiting component is rotatably arranged in the groove, and the limiting component is used for limiting the ratchet wheel in a movable fit mode.
By adopting the technical scheme, the ratchet wheel is improved into: half of the teeth are provided with teeth and half of the teeth are not provided with teeth; when the door plate is opened, the rotating shaft above drives the ratchet wheel to synchronously rotate, at the moment, the contact between the ratchet wheel and the limiting component is changed from the arc surface without teeth to the toothed surface, so that the effective limiting of the ratchet wheel and the rotating shaft above can be realized, the door plate can be effectively fixed, and the influence of wind blowing on inquiring electricity consumption information and overhauling and replacing the ammeter body can be prevented.
As a further scheme of the invention, the limiting component comprises a central shaft, the bottom of the central shaft is rotationally connected with the wall of the groove through a bearing, a second torsion spring is sleeved on the outer surface of the central shaft, a pawl is fixedly arranged on the outer surface of the central shaft, and a deflector rod is fixedly arranged on the surface of the pawl.
By adopting the technical scheme, when the door plate is opened, the pawl is always attached to the ratchet wheel under the action of the second torsion spring, and the contact between the ratchet wheel and the pawl is changed from the arc surface to the toothed surface, so that the effective limit of the ratchet wheel and the upper rotating shaft can be realized; when the door plate is closed, the deflector rod is required to be moved firstly to separate the pawl from the toothed surface of the ratchet wheel, then the door plate is closed continuously, the deflector rod can be loosened when the door plate is closed soon, the pawl is reset to be in contact with the ratchet wheel to be an arc surface, and then the door plate can be closed completely.
As a further scheme of the invention, a plurality of threading holes are formed in the bottom of the shell, inclined grooves are symmetrically formed in the shell and located on two sides of the threading holes, first springs are fixedly mounted in the inclined grooves, ferrules are fixedly mounted on the two first springs together, and the ferrules are located in the threading holes.
Through the technical scheme, when the electric meter is used, the electric wire connected with the electric meter body passes through the threading hole and is correspondingly connected; the first spring that the slope set up cooperates the lasso can produce an ascending power to the electric wire, and then can avoid the electric wire in installation and the use to drop, also can prevent the drop of lasso simultaneously.
According to the electric meter with the dampproof and anti-theft functions, through the cooperation among the rotating assembly, the moving assembly, the telescopic assembly, the connecting assembly and the like, the electric meter body can be effectively protected, the installation reliability of the electric meter body is improved, and meanwhile, the electricity utilization inquiry, the overhaul and the replacement of the electric meter body are not influenced; through the cooperation between chute, first spring and the lasso etc. can avoid the electric wire in installation and the use to drop, guaranteed the normal use of ammeter body, holistic practicality is higher.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper spindle, pull rope and ratchet mechanism of the door panel of the present invention when the door panel is opened;
FIG. 3 is a schematic view of the interior of the housing when the door panel of the present invention is being opened;
FIG. 4 is a schematic view of a rotating assembly according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
FIG. 6 is a schematic view of a portion of a telescopic assembly according to the present invention;
FIG. 7 is an enlarged view of the structure at C in FIG. 6;
FIG. 8 is a schematic view of a connecting assembly according to the present invention;
FIG. 9 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 10 is an enlarged view of the structure of FIG. 9 at D;
fig. 11 is a schematic view of the threading hole, chute and first spring structure of the present invention.
In the figure: 1. a housing; 2. an ammeter body; 3. a rotating shaft; 4. a door panel; 5. a housing; 6. a rotating assembly; 7. a guide shaft; 8. a pull rope; 9. a moving assembly; 10. a telescoping assembly; 11. a connection assembly; 12. a positioning groove; 13. a groove; 14. a limit component; 15. a ratchet wheel; 16. a threading hole; 17. a chute; 18. a first spring; 19. a ferrule; 601. a short bar; 602. a first torsion spring; 603. a gear; 604. an annular groove; 901. a telescopic rod; 902. a rack; 903. wedge blocks; 1001. a base; 1002. a slide bar; 1003. a collar; 1004. a second spring; 1005. a clamping groove; 1006. a placement groove; 1007. a partition plate; 1008. a third spring; 1009. a clamping block; 1101. a round bar; 1102. a boss; 1103. square holes; 1104. a clamping hole; 1401. a central shaft; 1402. a second torsion spring; 1403. a pawl; 1404. a deflector rod.
Detailed Description
Embodiment one:
referring to fig. 1, 2 and 3, an embodiment of the present invention provides an ammeter with dampproof and anti-theft functions: including casing 1 and ammeter body 2, ammeter body 2 fixed mounting is in the inside of casing 1, door plant 4 is installed through two pivot 3 rotations in the front surface of casing 1, the inside fixed mounting of casing 1 has housing 5, rotating assembly 6 and guiding axle 7 are installed in the inside rotation of housing 5, rotating assembly 6 is curled up and is equipped with stay cord 8, the loose end of stay cord 8 is walked around guiding axle 7 and with the pivot 3 fixed connection of top, the inside fixed mounting of housing 5 has two moving assembly 9 and two telescopic assembly 10, the bottom joint of telescopic assembly 10 has coupling assembling 11, rotating assembly 6 realizes the horizontal migration through two moving assembly 9 relative rotating assembly 6 of meshing cooperation mode drive, moving assembly 9 realizes going up and down through laminating cooperation mode drive telescopic assembly 10 relative ammeter body 2. The ammeter body 2 is a conventional mature technology, and will not be described in detail here.
In the present embodiment, it is preferable that the housing 1 is of a front surface opening type design; the two moving assemblies 9 are symmetrically staggered; and the bottom of the housing 5 is provided with two through holes which can be penetrated up and down by two connecting components 11.
When a worker needs to inquire electricity information, the door plate 4 is opened firstly, at the moment, the two rotating shafts 3 synchronously rotate, the rotating shaft 3 above pulls the pull rope 8 in the rotating process, the pull rope 8 drives the rotating assembly 6 to rotate through the guide of the guide shaft 7, the rotating assembly 6 drives the two moving assemblies 9 to approach towards the middle in the rotating process, the two moving assemblies 9 can extrude the telescopic assembly 10 in the approaching process to enable the telescopic assembly 10 to descend, the connecting assembly 11 is driven to synchronously descend when the telescopic assembly 10 descends, and the connecting assembly 11 after descending is positioned at the front upper part of the ammeter body 2 to play a role in protecting the ammeter body 2; when the door plate 4 is closed after the inquiry is finished, the rotating assembly 6 can automatically reversely rotate and reset, at the moment, the two moving assemblies 9 are separated towards two sides, and the telescopic assembly 10 and the connecting assembly 11 rise along with the lifting, namely the following process is realized: as long as the door plate 4 is opened, the connecting component 11 can descend to block the ammeter body 2, and the connecting component 11 of the door plate 4 can ascend and reset to the inside of the housing 5, so that the protrusion of the connecting component 11 is reduced after the door plate 4 is closed, and the overall aesthetic property when the ammeter is watched through the door plate 4 is ensured.
Further preferably, moisture-absorbing drying agents can be placed inside the casing 1 and on both sides of the electric meter body 2, further increasing the moisture-proof capacity.
Embodiment two:
referring to fig. 3 and 4, on the basis of the first embodiment, the rotating assembly 6 includes a short rod 601, the short rod 601 is rotatably connected with the inner wall of the housing 5 through a bearing, a first torsion spring 602 is sleeved on the outer surface of the short rod 601, a gear 603 is fixedly mounted on the end portion of the short rod 601 far away from the housing 5, an annular groove 604 is formed on the outer surface of the short rod 601, and a pull rope 8 is wound in the annular groove 604.
In this embodiment, preferably, when the door panel 4 is opened, the pull rope 8 is pulled, the short rod 601 rotates correspondingly, the first torsion spring 602 rotates at this time, the gear 603 rotates synchronously with the short rod 601, and the gear 603 drives the two moving components 9 to approach towards the middle during rotation; when the door panel 4 is closed, under the action of the first torsion spring 602, the short bar 601 and the gear 603 rotate reversely, and at this time, the two moving assemblies 9 are separated to two sides; the annular groove 604 has a limiting function on the pull rope 8, and prevents the pull rope from being excessively deviated back and forth in the unreeling and reeling processes.
Embodiment III:
referring to fig. 3, 4 and 5, based on the second embodiment, a guide shaft 7 is disposed at an intersection point of the extension line of the short rod 601 and the upper rotating shaft 3, a positioning groove 12 is formed on the outer surface of the guide shaft 7, and the pull rope 8 bypasses the guide shaft 7 and the positioning groove 12.
In this embodiment, it is preferable that the guide shaft 7 is rotatably mounted on the intersection point of the right extension line of the short rod 601 and the rear extension line of the upper rotating shaft 3 through a bearing, so that the pull rope 8 between the short rod 601 and the guide shaft 7 is in a horizontal state from left to right, so that the pull rope 8 between the guide shaft 7 and the upper rotating shaft 3 is in a horizontal state from front to back, and thus the pull rope 8 can be better led out from the housing 5 and fixedly connected with the outer surface of the upper rotating shaft 3; the locating groove 12 plays a limiting role on the pull rope 8, and prevents the pull rope from being excessively deviated up and down in the unreeling and reeling processes.
Embodiment four:
referring to fig. 3 to 8, on the basis of the second embodiment, the moving assembly 9 includes a telescopic rod 901, the telescopic rod 901 is fixedly connected with the inner wall of the housing 5, a rack 902 is fixedly mounted at the movable end of the telescopic rod 901, the rack 902 is meshed with the gear 603, and a wedge block 903 is fixedly mounted on the surface of the rack 902 close to the telescopic assembly 10. The telescopic component 10 comprises a base 1001, the base 1001 is fixedly connected with the inner wall of the housing 5, a slide bar 1002 is slidably mounted in the base 1001, a lantern ring 1003 is fixedly mounted on the outer surface of the slide bar 1002, a second spring 1004 is sleeved below the lantern ring 1003, the top of the slide bar 1002 is attached to a wedge 903, a clamping groove 1005 is formed in the bottom of the slide bar 1002, four placing grooves 1006 are formed in the slide bar 1002, a partition plate 1007 is arranged in the placing grooves 1006, a clamping block 1009 is fixedly mounted on one side, close to the connecting component 11, of the partition plate 1007, and a third spring 1008 is fixedly mounted between the other side of the partition plate 1007 and the groove wall of the placing groove 1006. The coupling assembling 11 includes round bar 1101, and round bar 1101's top fixed mounting has boss 1102, and square hole 1103 has been seted up in round bar 1101 and boss 1102 running through jointly, and four draw-in holes 1104 have been seted up to the surface of boss 1102, and four draw-in holes 1104 all are put through with square hole 1103, and boss 1102 activity joint is in the inside of draw-in groove 1005, and the inside at draw-in hole 1104 is blocked in the activity joint of fixture block 1009.
In this embodiment, preferably, when the gear 603 rotates, the rack 902 meshed with the gear 603 starts to approach to the direction of the gear 603 and drives the wedge block 903 at the bottom to move synchronously, the wedge block 903 can squeeze the slide bar 1002 to make it move downwards in the moving process, the slide bar 1002 cooperates with the base 1001 and the collar 1003 to squeeze the second spring 1004, and meanwhile, the slide bar 1002 drives the round bar 1101 to descend from the housing 5 to the front upper part of the ammeter body 2 through the boss 1102, so as to play a role in protecting the ammeter body 2; when the gear 603 rotates reversely, the rack 902 starts to move away from the gear 603, at this time, the wedge blocks 903 are separated to two sides, and under the action of the second spring 1004, the slide bar 1002 automatically rises, and drives the round bar 1101 to rise through the boss 1102.
The four clamping blocks 1009 and the four clamping holes 1104 are arranged in an annular array and sequentially correspond to each other; the top of the boss 1102 adopts a rounding design; the sliding rod 1002 is correspondingly clamped with the boss 1102 through the clamping hole 1104 and the clamping block 1009, so that the limiting between the sliding rod 1002 and the boss 1102 and between the sliding rod 1101 are realized; when the later-stage staff needs to disassemble, overhaul and replace the ammeter body 2, a square rod (not shown in the figure) corresponding to the square hole 1103 is needed to unlock the limit between the slide rod 1002 and the boss 1102, and the method is as follows; firstly, moving the bottom of a round rod 1101 to align with a square hole 1103 and inserting the round rod upwards, extruding a clamping block 1009 by the edge of the square rod to move in a corresponding placing groove 1006, at the moment, removing a boss 1102 and the round rod 1101, and then loosening and removing the ammeter body 2; after maintenance and replacement are finished, the boss 1102 is aligned to the clamping groove 1005 and lifted upwards, the top of the boss 1102 can extrude the clamping block 1009 to move in the corresponding placing groove 1006, meanwhile, the third spring 1008 is extruded, then under the action of the partition plate 1007 and the third spring 1008, the clamping block 1009 is automatically reset and clamped into the corresponding clamping hole 1104, and at the moment, effective limiting between the sliding rod 1002 and the boss 1102 and the round rod 1101 can be realized.
Further preferably, in actual use, the square hole 1103 can be modified into an irregular hole, and a staff member is provided with a rod corresponding to the irregular hole, so that the staff member can unlock the limit between the slide bar 1002 and the boss 1102 through the corresponding rod; at the same time, the dimensions of boss 1102 and detent 1005, and the location of detent 1104 and detent 1009 can be adjusted during processing so that a non-worker cannot unlock the lever without the lever.
Fifth embodiment:
referring to fig. 2, 3, 4 and 9, on the basis of the second embodiment, a ratchet 15 is fixedly installed on the outer surface of the rotating shaft 3 above, a groove 13 is formed in the front surface of the housing 5, a limiting component 14 is rotatably installed in the groove 13, and the limiting component 14 limits the ratchet 15 in a movable fit manner.
In this embodiment, it is preferable to modify the ratchet 15 to be half toothed and half non-toothed; when the door plate 4 is opened, the rotating shaft 3 above drives the ratchet wheel 15 to synchronously rotate, at the moment, the contact between the ratchet wheel 15 and the limiting component 14 is changed from a tooth-free arc surface to a tooth surface, so that the effective limiting of the ratchet wheel 15 and the rotating shaft 3 above can be realized, the door plate 4 can be effectively fixed, the door plate 4 is prevented from being blown by wind to swing back and forth, and the inquiry of electricity consumption information and the overhaul and replacement of the electricity meter body 2 are influenced.
When the door panel 4 is opened, the upper rotating shaft 3 also pulls the pull rope 8, so that the rotation of the short rod 601 is powered.
Example six:
referring to fig. 9 and 10, on the basis of the fifth embodiment, the limiting assembly 14 includes a central shaft 1401, the bottom of the central shaft 1401 is rotatably connected with the wall of the groove 13 through a bearing, a second torsion spring 1402 is sleeved on the outer surface of the central shaft 1401, a pawl 1403 is fixedly mounted on the outer surface of the central shaft 1401, and a driving lever 1404 is fixedly mounted on the surface of the pawl 1403.
In this embodiment, preferably, when the door panel 4 is opened, under the action of the second torsion spring 1402, the pawl 1403 is always attached to the ratchet 15, and the contact between the ratchet 15 and the pawl 1403 is changed from the circular arc surface to the toothed surface, so that effective limitation of the ratchet 15, the upper rotating shaft 3 and the door panel 4 can be achieved; when the door panel 4 is closed, the driving lever 1404 needs to be moved firstly to separate the pawl 1403 from the toothed surface of the ratchet wheel 15, then the door panel 4 is closed continuously, the driving lever 1404 can be released when the door panel 4 is closed soon, at the moment, the pawl 1403 is reset to be in contact with the ratchet wheel 15 to be an arc surface, and then the door panel 4 can be closed completely.
Embodiment seven:
referring to fig. 1 and 11, on the basis of the first embodiment, a plurality of threading holes 16 are formed in the bottom of the housing 1, inclined slots 17 are symmetrically formed in the housing 1 and located at two sides of the threading holes 16, first springs 18 are fixedly mounted in the inclined slots 17, ferrules 19 are fixedly mounted in the two first springs 18 together, and the ferrules 19 are located in the threading holes 16.
In the present embodiment, it is preferable that the electric wire connected to the electricity meter body 2 is first passed through the threading hole 16 and then connected correspondingly when in use; the first spring 18 which is obliquely arranged is matched with the ferrule 19, so that an upward force can be generated on the electric wire, the electric wire falling off in the installation and use processes can be reduced, and the falling off of the ferrule 19 can be prevented.
The working principle and the using method of the invention are as follows: when a worker needs to inquire electricity information, firstly, the door plate 4 is opened, at the moment, the two rotating shafts 3 synchronously rotate, the rotating shaft 3 above pulls the pull rope 8 in the rotating process, the pull rope 8 drives the short rod 601 to rotate through the guide of the guide shaft 7, at the moment, the first torsion spring 602 twists, the gear 603 synchronously rotates along with the short rod 601, the gear 603 drives the rack 902 and the wedge 903 to approach towards the middle in the rotating process, the wedge 903 can squeeze the slide bar 1002 to enable the slide bar 1002 to downwards in the moving process, the slide bar 1002 is matched with the base 1001 and the lantern ring 1003 to squeeze the second spring 1004, and meanwhile, the slide bar 1002 drives the round rod 1101 to descend to the front upper part of the ammeter body 2 from the inside of the housing 5 through the boss 1102, so that the ammeter body 2 is protected; in the rotation process of the upper rotating shaft 3, the pawl 1403 is always attached to the ratchet wheel 15, and the contact between the ratchet wheel 15 and the pawl 1403 is changed from an arc surface to a toothed surface, so that effective limiting of the ratchet wheel 15, the upper rotating shaft 3 and the door plate 4 can be realized, and the door plate 4 is prevented from being blown by wind to influence inquiry of electricity consumption information and overhaul and replacement of the ammeter body 2.
When the door panel 4 is closed, firstly, the deflector rod 1404 needs to be moved to separate the pawl 1403 from the toothed surface of the ratchet wheel 15, then, the door panel 4 is continuously closed, when the door panel 4 is closed soon, the deflector rod 1404 can be released, at the moment, the pawl 1403 is reset to be in contact with the ratchet wheel 15 to be an arc surface, and then, the door panel 4 can be completely closed; in this process, the first torsion spring 602 makes the short rod 601 and the gear 603 rotate reversely, the rack 902 and the wedge 903 are separated to two sides, the slide bar 1002 automatically rises under the action of the second spring 1004, and the boss 1102 drives the round rod 1101 to rise and hide inside the housing 5.
When the electric meter body 2 needs to be disassembled, overhauled and replaced, the door plate 4 is kept open, then the square rod is moved to the bottom of the round rod 1101, the square rod is inserted upwards aiming at the square hole 1103, the edge of the square rod presses the clamping block 1009 to enable the clamping block to move into the corresponding placing groove 1006, at the moment, the boss 1102 and the round rod 1101 can be removed, and then the electric meter body 2 can be loosened and removed; after maintenance and replacement are finished, the boss 1102 is aligned to the clamping groove 1005 and lifted upwards, the top of the boss 1102 can extrude the clamping block 1009 to move in the corresponding placing groove 1006, meanwhile, the third spring 1008 is extruded, then under the action of the partition plate 1007 and the third spring 1008, the clamping block 1009 is automatically reset and clamped into the corresponding clamping hole 1104, and at the moment, effective limiting between the sliding rod 1002 and the boss 1102 and the round rod 1101 can be realized.
After the ammeter body 2 is installed, the electric wires to be connected pass through the threading holes 16 and are correspondingly connected; the inclined first spring 18 cooperates with the ferrule 19 to exert an upward force on the wire, thereby reducing wire drop-off during installation and use.
Through the cooperation of the structures such as the gear 603, the rack 902, the wedge 903 and the slide bar 1002, the round bar 1101 can move up and down, so that the electric meter body 2 can be effectively protected, the installation reliability of the electric meter body 2 is improved, and meanwhile, the electricity utilization inquiry, the overhaul and the replacement of the electric meter body 2 are not influenced; through the cooperation of the structures such as the clamping groove 1005, the boss 1102, the clamping block 1009 and the clamping hole 1104, the round bar 1101 can be quickly installed and detached, and the electric meter body 2 can be conveniently overhauled and replaced by staff; through the cooperation of the structures of the ratchet wheel 15, the pawl 1403, the shift lever 1404 and the like, the effective limit of the ratchet wheel 15 and the door plate 4 in the rotation process can be realized, and the influence of any movement of the door plate 4 on the work of staff is avoided; through the cooperation of structures such as chute 17, first spring 18 and lasso 19, can avoid the electric wire in installation and the use to drop, guaranteed the normal use of ammeter body 2 for holistic practicality is higher.
Claims (3)
1. The utility model provides an ammeter with dampproofing theftproof function, includes casing and ammeter body, its characterized in that: the electric meter comprises an electric meter body, a door plate, a housing, a rotating assembly, a guide shaft, a pull rope, a moving assembly and a telescopic assembly, wherein the electric meter body is fixedly arranged in the housing, the door plate is rotatably arranged on the front surface of the housing through two rotating shafts, the housing is fixedly arranged in the housing, the rotating assembly and the guide shaft are rotatably arranged in the housing, the pull rope is wound on the rotating assembly, the movable end of the pull rope bypasses the guide shaft and is fixedly connected with one rotating shaft, the moving assembly and the telescopic assembly are fixedly arranged in the housing, the connecting assembly is clamped at the bottom of the telescopic assembly, the moving assembly is driven to horizontally move relative to the rotating assembly in a meshing fit mode, and the moving assembly is driven to lift relative to the electric meter body in a fitting mode; the door plate is opened, the rotating assembly is driven to rotate through the rotating shaft, the pull rope and the guide shaft, the rotating assembly enables the telescopic assembly to descend through the two moving assemblies in the rotating process, and the connecting assembly is driven to descend to the front of the ammeter body when the telescopic assembly descends;
the rotating assembly comprises a short rod, the short rod is rotationally connected with the inner wall of the housing through a bearing, a first torsion spring is sleeved on the outer surface of the short rod, a gear is fixedly arranged at the end part of the short rod, which is far away from the housing, an annular groove is formed in the outer surface of the short rod, and the pull rope is wound in the annular groove;
the guide shaft is arranged on the intersection point of the short rod and the extension line of one of the rotating shafts, the outer surface of the guide shaft is provided with a positioning groove, and the stay cord is positioned in the positioning groove when bypassing the guide shaft;
the movable assembly comprises a telescopic rod, the telescopic rod is fixedly connected with the inner wall of the housing, a rack is fixedly arranged at the movable end of the telescopic rod and meshed with the gear, and a wedge block is fixedly arranged on the surface, close to the telescopic assembly, of the rack;
the telescopic component comprises a base, the base is fixedly connected with the inner wall of the housing, a sliding rod is slidably arranged in the base, a lantern ring is fixedly arranged on the outer surface of the sliding rod, a second spring is sleeved on the outer surface of the sliding rod and positioned below the lantern ring, the top of the sliding rod is attached to the wedge-shaped block, a clamping groove is formed in the bottom of the sliding rod, a plurality of placing grooves are formed in the sliding rod, a partition plate is arranged in the placing grooves, a clamping block is fixedly arranged on one side, close to the connecting component, of the partition plate, and a third spring is fixedly arranged between the other side of the partition plate and the groove wall of the placing groove;
the connecting assembly comprises a round rod, a boss is fixedly arranged at the top of the round rod, square holes are formed in the round rod and the boss in a penetrating mode, a plurality of clamping holes are formed in the outer surface of the boss, the clamping holes are communicated with the square holes, the boss is movably clamped in the clamping groove, and the clamping block is movably clamped in the clamping holes.
2. An electricity meter with moisture and theft protection function according to claim 1, characterized in that: one of the rotating shafts is fixedly provided with a ratchet wheel on the outer surface, the front surface of the housing is provided with a groove, a limiting component is rotatably arranged in the groove, and the limiting component realizes the limiting of the ratchet wheel in a movable fit mode.
3. An electricity meter with moisture and theft protection function according to claim 1, characterized in that: the bottom of casing has seted up a plurality of through wires hole, the chute has been seted up to the inside of casing and the bilateral symmetry that is located the through wires hole, the inside fixed mounting of chute has first spring, two first spring is fixed mounting has the lasso jointly, the lasso is located the inside of through wires hole.
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| CN202111175770.6A CN114264855B (en) | 2021-10-09 | 2021-10-09 | Ammeter with dampproofing theftproof function |
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| CN202111175770.6A CN114264855B (en) | 2021-10-09 | 2021-10-09 | Ammeter with dampproofing theftproof function |
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| CN115327199B (en) * | 2022-10-11 | 2022-12-27 | 无锡市恒通电器有限公司 | Anti-theft electric energy meter |
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| CN114264855A (en) | 2022-04-01 |
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Effective date of registration: 20230823 Address after: 231600 Northeast of the intersection of Sidingshan Road and Manquan Road, Hefei Circular Economy Demonstration Park, Feidong County, Hefei City, Anhui Province Applicant after: Anhui Rongzhao Intelligent Co.,Ltd. Address before: 523648 Lizhi village, Dali Village, Qingxi Town, Dongguan City, Guangdong Province Applicant before: KANGXI INTELLIGENT TECHNOLOGY (DONGGUAN) Co.,Ltd. |
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