CN113533814B - Ammeter fixing device and power metering box - Google Patents
Ammeter fixing device and power metering box Download PDFInfo
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- CN113533814B CN113533814B CN202111007087.1A CN202111007087A CN113533814B CN 113533814 B CN113533814 B CN 113533814B CN 202111007087 A CN202111007087 A CN 202111007087A CN 113533814 B CN113533814 B CN 113533814B
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- 239000000428 dust Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
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- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
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- 230000000191 radiation effect Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of power equipment, and discloses an ammeter fixing device and an electric metering box. The ammeter fixing device comprises a cover body, a clamping unit and a branching fixing unit. The bottom of the cover body is provided with a threading hole; the clamping unit is arranged in the cover body and comprises a clamping plate and a lifting assembly, wherein the lifting assembly is used for driving the clamping plate to ascend or descend; the branching fixing unit comprises a fixed hoop, a movable hoop and a driving assembly, wherein the fixed hoop and the movable hoop are arranged in a threading hole, the fixed hoop is fixedly arranged on the hole wall on one side of the threading hole, at least two fixed hoops and at least two movable hoops are arranged, the fixed hoops and the movable hoops are opposite to each other, and the driving assembly is used for enabling the movable hoops to be close to or far away from the fixed hoops. The electric power metering box comprises the electric meter fixing device. The invention has the function of fixing the leads, improves the installation efficiency, is beneficial to the classification and fixation of the leads and reduces the subsequent maintenance difficulty.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an ammeter fixing device and an electric metering box.
Background
Today, the power network is developed, the power metering box is used as equipment for metering electric energy, the use demand of the power metering box is huge, and the electric meter in the metering box is usually limited and fixed in the box body by a fixing device. The existing fixing device can only play a role in purely positioning and fixing the ammeter, and leads on the ammeter are required to be additionally fixed, so that the ammeter is installed for a long time in the actual use process, the installation efficiency is low, and the leads are disordered when the ammeter is maintained, so that the maintenance difficulty is increased.
Based on this, there is a need for an electric meter fixing device and an electric meter box for solving the above-mentioned problems.
Disclosure of Invention
The invention aims to provide an ammeter fixing device and an electricity metering box, which have the function of fixing leads, improve the installation efficiency, are favorable for classifying and fixing the leads and reduce the subsequent maintenance difficulty.
To achieve the purpose, the invention adopts the following technical scheme:
an electricity meter fixing device comprising:
the bottom of the cover body is provided with a threading hole;
the clamping unit is arranged in the cover body, and the clamping assembly comprises a clamping plate and a lifting assembly, and the lifting assembly is used for driving the clamping plate to ascend or descend;
the branching fixing unit comprises a fixing hoop, a movable hoop and a driving assembly, wherein the fixing hoop and the movable hoop are arranged in the threading hole, the fixing hoop is fixedly arranged on the hole wall on one side of the threading hole, the fixing hoop and the movable hoop are respectively provided with at least two parts, the fixing hoops and the movable hoops are opposite to each other, and the driving assembly is used for enabling the movable hoops to be close to or far away from the fixing hoops.
Optionally, the drive assembly includes actuating lever and mounting, set up fixed through-hole on the pore wall of through wires hole opposite side, the mounting with fixed through-hole's pore wall fixed connection, the mounting is arranged in movable staple bolt in opposite directions in one side of fixed staple bolt, the one end of actuating lever wear to establish the mounting and connect in movable staple bolt, the actuating lever can follow self axis and remove, so that movable staple bolt is close to or keeps away from fixed staple bolt.
Optionally, the drive assembly still includes connecting piece and bearing, the connecting piece connect in the actuating lever with between the movable anchor ear, the mounting orientation the sliding tray has been seted up to one side of fixed anchor ear, the sliding tray is followed the axis direction of actuating lever extends, the connecting piece is arranged in the sliding tray and with sliding tray sliding fit, the bearing hole has been seted up on the connecting piece, the outer lane of bearing is fixed in the bearing hole, the inner circle of bearing with the coaxial setting and fixed connection of actuating lever.
Optionally, the lifting assembly includes lead screw, lifting part and slider, the lead screw is vertical to be set up, just the one end of lead screw wears out the cover body and can be relative the cover body rotates, the lead screw thread wears to locate the lifting part, the lifting part connect in the splint, the guide way has been seted up on the inside wall of the cover body, the guide way extends along vertical direction, the slider connect in the splint, just the slider with guide way sliding fit.
Optionally, the bottom of splint is provided with rubber spare, the elastic pad can with the ammeter butt.
Optionally, the outer side wall of the cover body is convexly connected with a mounting piece.
Optionally, the electricity meter fixing device further includes a moisture absorbing component, and the moisture absorbing component includes a moisture absorbing member, and the moisture absorbing member can absorb moisture in the cover body.
Optionally, the protrusion is provided with the bulge on the lateral wall of hygroscopic piece, the mounting hole has been seted up on the inner wall of the cover body, the spout has been seted up along the axial on the pore wall of mounting hole, the spout link up the inner wall of the cover body, the draw-in groove has been seted up on the groove lateral wall of spout, the bulge with spout sliding fit, hygroscopic piece can follow the spout slides into in the mounting hole just the bulge can the joint in the draw-in groove.
Optionally, the absorbent assembly further includes a dust screen, one end of the mounting hole penetrates through the outer side wall of the cover body, and the dust screen is disposed at one end of the mounting hole facing the outer side of the cover body.
An electric power metering box comprises the electric meter fixing device.
The invention has the beneficial effects that:
the ammeter fixing device comprises the cover body, the clamping unit and the branching fixing unit, wherein the clamping plate of the clamping unit can fix an ammeter in the cover body, the lead of the ammeter can penetrate out of the cover body through the threading hole, the fixed anchor ear and the movable anchor ear can fix the lead, other structures are prevented from being used for fixing the lead, the practicability of the ammeter fixing device is improved, the installation time of the ammeter is saved, and the installation efficiency is improved. And fixed staple bolt and activity staple bolt all are provided with a plurality of, can play the effect of fixing respectively the different types of lead wire on the ammeter, have reduced the degree of difficulty of follow-up maintenance, have further improved the practicality.
The electric power metering box provided by the invention comprises the electric meter fixing device, so that the installation efficiency of an electric meter is improved, the classification fixation of the lead wires of the electric meter is facilitated, and the subsequent maintenance difficulty is reduced.
Drawings
FIG. 1 is a cross-sectional view from a top view of an electricity meter fixture according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a side view of an electricity meter fixture according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
FIG. 4 is a cross-sectional view from an elevation view of an electricity meter fixing device provided by an embodiment of the present invention;
fig. 5 is a schematic view of a part of the structure in fig. 4.
In the figure:
1. a cover body; 11. a threading hole; 12. a guide groove; 13. a mounting hole; 131. a chute; 1311. a clamping groove; 14. a receiving groove;
2. a clamping unit; 21. a clamping plate; 211. a rubber member; 22. a lifting assembly; 221. a screw rod; 2211. rotating the handle; 222. a lifting member; 223. a slider; 2231. a sliding part; 2232. a splint connecting portion;
3. a branching fixing unit; 31. fixing the anchor ear; 32. a movable hoop; 33. a drive assembly; 331. a connecting piece; 332. a driving rod; 333. a fixing member; 3331. a sliding groove;
4. an absorbent assembly; 41. a moisture absorbing member; 411. a protruding portion; 412. a contact portion; 413. a grip portion; 42. a dust screen;
5. a mounting member; 51. a first connection portion; 52. a second connecting portion; 53. a third connecting portion; 54. and (5) installing a bolt.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Example 1
The embodiment provides an ammeter fixing device. Specifically, as shown in fig. 1, the electricity meter fixing device includes a cover 1, a clamping unit 2, and a branching fixing unit 3. The bottom of the cover body 1 is provided with a threading hole 11; the clamping unit 2 is arranged in the cover body 1, the clamping unit 2 comprises a clamping plate 21 and a lifting assembly 22, and the lifting assembly 22 is used for driving the clamping plate 21 to ascend or descend; the branching fixing unit 3 comprises a fixing hoop 31, a movable hoop 32 and a driving assembly 33, wherein the fixing hoop 31 and the movable hoop 32 are arranged in the threading hole 11, the fixing hoop 31 is fixedly arranged on the hole wall on one side of the threading hole 11, the fixing hoop 31 and the movable hoop 32 are respectively provided with at least two parts, the fixing hoops 31 and the movable hoops 32 are arranged in a one-to-one opposite mode, and the driving assembly 33 is used for enabling the movable hoop 32 to be close to or far away from the fixing hoop 31.
The ammeter fixing device comprises the cover body 1, the clamping unit 2 and the branching fixing unit 3, wherein the clamping plate 21 of the clamping unit 2 can fix an ammeter inside the cover body 1, a lead of the ammeter can penetrate out of the cover body 1 through the threading hole 11, the fixed anchor ear 31 and the movable anchor ear 32 can fix the lead, other structures are avoided being used for fixing the lead, the practicability of the ammeter fixing device is improved, the installation time of the ammeter is saved, and the installation efficiency is improved. And fixed staple bolt 31 and activity staple bolt 32 all are provided with a plurality of, can play the effect of fixing respectively the different types of lead wire on the ammeter, have reduced the degree of difficulty of follow-up maintenance, have further improved the practicality.
In the embodiment, the cover body 1 is cuboid, made of metal, convenient to process and good in durability. And the side of the cover body 1 is provided with a cabinet door, so that the electric meter can be conveniently installed. The fixed anchor ear 31 and the movable anchor ear 32 are provided with five, and five fixed anchor ears 31 are evenly spaced, and five movable anchor ears 32 are evenly spaced. In addition, the connecting line between the corresponding fixed hoop 31 and the movable hoop 32 is arranged horizontally.
Preferably, the outer side wall of the cover body 1 is convexly connected with a mounting piece 5 for being connected with an external structure, so that the practicability is improved. Further, if the front side is set to the side of the cover 1 where the cabinet door is opened, the mounting member 5 is disposed at the rear side of the cover 1, so that the electric meter and the electric meter fixing device can be further conveniently mounted.
In this embodiment, as shown in fig. 2, the mounting member 5 includes a first connecting portion 51, a second connecting portion 52 and a third connecting portion 53, and the first connecting portion 51, the second connecting portion 52 and the third connecting portion 53 are all block-shaped and are all made of metal. The first connecting portion 51 and the third connecting portion 53 are respectively connected to two ends of the second connecting portion 52 vertically, and the second connecting portion 52 is disposed horizontally and extends toward the rear of the cover 1. And the first connecting portion 51 and the third connecting portion 53 extend in opposite directions so that the mounting member 5 is Z-shaped. The first connection portion 51 is connected to the outer side wall of the cover 1, and the third connection portion 53 is used for connection with an external structure. Specifically, the mounting member 5 further includes a mounting bolt 54, and the mounting bolt 54 penetrates the third connecting portion 53 to facilitate connection with an external structure. The second connecting portion 52 is arranged to enable a gap to exist between the ammeter fixing device and the external structure, so that heat dissipation of the ammeter fixing device is facilitated, and safety is improved. And the third connecting part 53 can increase the contact area between the ammeter fixing device and the external structure, so that the stability of connection between the ammeter fixing device and the external structure is further ensured. Further, the mounting member 5 is not limited herein, and may be integrally formed with the housing 1 or detachably coupled thereto by means of bolts or the like.
Four mounting members 5 are provided at four corners of the rear side of the cover 1, respectively. The first connection portion 51 of the mounting member 5 located at the upper side of the cover 1 extends downward of the second connection portion 52, and the bottom of the first connection portion 51 is connected with the top surface of the cover 1. The first connection portion 51 of the mount 5 located at the upper side of the cover 1 extends toward the upper side of the second connection portion 52, and the top of the first connection portion 51 is connected to the bottom surface of the cover 1.
Preferably, as shown in fig. 1, the driving assembly 33 includes a driving rod 332 and a fixing member 333, a fixing through hole is formed on a hole wall at the other side of the threading hole 11, the fixing member 333 is fixedly connected with the hole wall of the fixing through hole, the fixing member 333 is disposed at one side of the movable hoop 32 opposite to the fixed hoop 31, one end of the driving rod 332 is penetrated through the fixing member 333 and connected to the movable hoop 32, and the driving rod 332 can move along its own axis so as to enable the movable hoop 32 to be close to or far away from the fixed hoop 31. Offer fixed through-hole on the pore wall of through wires hole 11, fixed through-hole internal fixation sets up mounting 333, and the mounting 333 is worn to establish in the action bars 332 activity, and the action bars 332 of also being convenient for the operating personnel rotate from the outside of cover body 1, and the operation of being convenient for has improved the practicality, adopts above-mentioned structure drive movable staple bolt 32 to be close to or keep away from fixed staple bolt 31 moreover, simple structure, easy processing, low in production cost. In this embodiment, since the connecting line between the corresponding fixed hoop 31 and the movable hoop 32 is disposed horizontally, the axis of the driving rod 332 is disposed horizontally and parallel or collinear with the connecting line.
Further, the driving assembly 33 further comprises a connecting piece 331 and a bearing, the connecting piece 331 is connected between the driving rod 332 and the movable hoop 32, a sliding groove 3331 is formed in one side of the fixing piece 333 facing the fixed hoop 31, the sliding groove 3331 extends along the axial direction of the driving rod 332, and the connecting piece 331 is disposed in the sliding groove 3331 and is in sliding fit with the sliding groove 3331. The connecting piece 331 is provided with a bearing hole, an outer ring of the bearing is fixed in the bearing hole, and an inner ring of the bearing is coaxially arranged and fixedly connected with the driving rod 332. The arrangement of the bearing prevents the driving rod 332 from driving the connecting piece 331 to rotate, so that the connecting piece 31 only moves linearly along the axial direction of the driving rod 332, the movable anchor ear 32 is ensured to be close to or far away from the corresponding fixed anchor ear 31, and the branching fixing unit 3 is ensured to clamp multiple groups of leads simultaneously. Further, the connector 331 is connected to five movable hoops 32.
In this embodiment, the end of the driving rod 332 away from the movable hoop 32 protrudes from the cover 1, and a rotary handle is provided, so that manual rotation is facilitated. In other embodiments, a linear motor or a cylinder may be provided to move the driving rod 332 along its own axis, or a cylinder or the like may be used to drive the driving rod 332 to move linearly, and no bearing may be provided, which is not limited herein.
Specifically, the connection member 331 has a rectangular plate shape and is disposed perpendicular to the driving lever 32. The cross-sectional shape of the sliding groove 3331 cooperates with the link 331 to further prevent the link 331 from rotating about the driving lever 332. The side wall of the connector 331 is in frictional contact with the groove wall of the sliding groove 3331 or has a gap therebetween.
Specifically, as shown in fig. 1, 2, 4 and 5, the lifting assembly 22 includes a screw rod 221, a lifting member 222 and a sliding member 223, the screw rod 221 is vertically disposed, one end of the screw rod 221 penetrates out of the cover 1 and can rotate relative to the cover 1, the screw rod 221 is threaded through the lifting member 222, and the lifting member 222 is connected to the clamping plate 21; the inner side wall of the cover body 1 is provided with a guide groove 12, the guide groove 12 extends along the vertical direction, the sliding piece 223 is connected with the clamping plate 21, and the sliding piece 223 is in sliding fit with the guide groove 12. The screw rod 221 is arranged to drive the clamping plate 21 to lift, and the guide groove 12 guides the clamping plate 21, so that the structure is simple and the production and the processing are facilitated. In this embodiment, the lifting member 222 is in a block shape, and is provided with a threaded hole, and the screw rod 221 is in threaded connection with the threaded hole.
In this embodiment, as shown in fig. 1, the sliding member 223 includes a sliding portion 2231 and a clamping plate connecting portion 2232, the sliding portion 2231 is connected to one end of the clamping plate connecting portion 2232, the other end of the clamping plate connecting portion 2232 is connected to the clamping plate 21, and the width of the sliding portion 2231 is larger than the width of the clamping plate connecting portion 2232, i.e., the sliding member 223 is T-shaped.
Further, as shown in fig. 1, 2, 4 and 5, the inner side wall of the cover 1 is further provided with a receiving groove 14, the screw rod 221 is disposed inside the receiving groove 14, the bottom of the screw rod 221 is fixed with a bearing inner ring of the bearing, the outer ring of the bearing is fixed on the groove wall at the bottom of the receiving groove 14, and the top of the screw rod 221 is rotatably arranged through the cover 1. The accommodating groove 14 is arranged, so that the size of the inner cavity of the cover body 1 is reduced, the size of the ammeter fixing device is reduced, and the occupied space is reduced. Still further, the screw 221 is provided with a rotating handle 2211 at the top thereof for facilitating manual rotation. In other embodiments, a driving motor or the like may be provided to drive the screw 221 to rotate, which is not limited herein.
In this embodiment, the clamping plate 21 is horizontally arranged, and the bottom of the clamping plate 21 clamps the electricity meter with the bottom surface of the cover 1. In other embodiments, the top of the clamping plate 21 and the top surface of the cover 1 may clamp the ammeter, which is not limited herein.
Further, as shown in fig. 2, the bottom of the clamping plate 21 is provided with a rubber 211, and the rubber 211 can be abutted against the electricity meter. When lifting assembly 22 drive splint 21 descends, rubber 211 can play the cushioning effect, and the protection ammeter has avoided taking place the collision between ammeter and the splint 21 and has led to outside damage, has improved the practicality, and coefficient of friction between ammeter and the rubber 211 is great moreover, has avoided ammeter horizontal migration, has further realized reliable fixed ammeter. The rubber 211 has a block shape.
In this embodiment, the clamping units 2 are provided with two groups at intervals, that is, two clamping plates 21 clamp the electric meter, and two lifting assemblies 22 respectively drive the two clamping plates 21 to lift, so that the width of each clamping plate 21 is reduced, and the structure at the top of the electric meter is convenient to avoid. In other embodiments, only one lifting assembly 22 may be provided to drive the two clamping plates 21 to lift, which is not limited herein.
The embodiment also provides a power metering box. Specifically, the electric power metering box comprises the electric meter fixing device as described in the foregoing, so that the installation efficiency of the electric meter is improved, the classification fixation of the electric meter leads is facilitated, and the subsequent maintenance difficulty is reduced.
The power metering box also comprises a box body and an ammeter. The ammeter fixing device and the ammeter are arranged inside the box body, the ammeter is arranged in the cover body 1, and the clamping plate 21 and the bottom surface of the cover body 1 clamp the ammeter. The leads of the electricity meter pass through the threading holes 11 and are classified into a plurality of groups, each group of leads being clamped between the corresponding fixed anchor ear 31 and the movable anchor ear 32. In this embodiment, the fixed anchor ear 31 and the movable anchor ear 32 are respectively provided with five wires, so that the wires are divided into five groups at most, and are respectively fixed with the movable anchor ear 32 through the corresponding fixed anchor ear 31.
Example two
The present embodiment provides an ammeter fixing device and an electric power metering box, and compared with the first embodiment, the structure provided in the present embodiment is basically the same as the first embodiment, and the structure identical to the first embodiment is not repeated.
Preferably, as shown in fig. 1-5, the electric meter fixing device further includes an absorbent component 4, the absorbent component 4 includes an absorbent member 41, the absorbent member 41 is disposed in the cover body 1, the absorbent member 41 can absorb moisture in the cover body 1, and reduce humidity in the cover body 1, so that the humidity of the working environment of the electric meter is lower, adverse effects on the work of the electric meter caused by higher humidity are reduced, the durability of the electric meter is improved, the functionality of the electric meter is ensured, and the practicability is improved.
In the present embodiment, the moisture absorbing member 41 includes a housing and a moisture scavenger placed inside the housing. The shell is provided with a plurality of through holes, so that the moisture in the cover body 1 can be absorbed by the dehumidifying agent. The dehumidifying agent can adopt the prior art and is not described in detail herein.
Preferably, as shown in fig. 1 and fig. 3-5, a protruding portion 411 is protruding from a side wall of the moisture absorbing member 41, a mounting hole 13 is formed in an inner wall of the cover body 1, a chute 131 is axially formed in a wall of the mounting hole 13, the chute 131 penetrates through the inner wall of the cover body 1, a clamping groove 1311 is formed in a side wall of the chute 131, the protruding portion 411 is slidably matched with the chute 131, the moisture absorbing member 41 can slide into the mounting hole 13 along the chute 131, and the protruding portion 411 can be clamped in the clamping groove 1311. The structure is provided, the moisture absorbing piece 41 can be placed in or separated from the mounting hole 13 through the chute 131, and the positioning can be realized through the clamping connection between the protruding part 411 and the clamping groove 1311, so that the detachable connection between the moisture absorbing piece 41 and the cover body 1 is realized, the structure is simple, the processing is easy, the moisture absorbing piece 41 is prevented from being fixed by other structures, the moisture absorbing piece 41 is convenient to replace, and the moisture absorbing effect inside the cover body 1 is ensured.
Further, as shown in fig. 1 and 3, the absorbent assembly 4 further includes a dust screen 42. One end of the mounting hole 13 penetrates through the outer side wall of the cover body 1, and the dust screen 42 is arranged at one end of the inside of the mounting hole 13 facing the outer side of the cover body 1. The mounting holes 13 are formed into the through holes, so that hot air in the cover body 1 can be dispersed through the mounting holes 13, the heat radiation effect is guaranteed, the influence of the size of the moisture absorption piece 41 on the machining depth requirement of the mounting holes 13 is avoided, the processing difficulty is easy to process, the processing difficulty is reduced, the dust screen 42 can prevent impurities outside the cover body 1 from invading, the through holes in the shell of the moisture absorption piece 41 are prevented from being covered, and the influence on the moisture absorption effect is reduced.
Further, as shown in fig. 3, the moisture absorbing member 41 is provided with a contact portion 412 protruding toward one side of the dust screen 42, and the contact portion 412 can be in contact with the dust screen 42. The contact portion 412 has a block shape. The side of the absorbent member 41 away from the dust screen 42 is provided with a grip portion 413 for facilitating the handling of the absorbent member 41.
In this embodiment, the mounting hole 13 is formed at the rear side of the cover 1, and due to the arrangement of the mounting member 5, a gap exists between the rear side of the cover 1 and the external connection member, so that the heat dissipation effect is not affected.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
1. An electricity meter fixing device, comprising:
the bottom of the cover body (1) is provided with a threading hole (11);
a clamping unit (2) arranged in the cover body (1), wherein the clamping unit (2) comprises a clamping plate (21) and a lifting assembly (22), and the lifting assembly (22) is used for driving the clamping plate (21) to ascend or descend;
the branching fixing unit (3) comprises a fixed hoop (31), a movable hoop (32) and a driving assembly (33), wherein the fixed hoop (31) and the movable hoop (32) are arranged in the threading hole (11), the fixed hoop (31) is fixedly arranged on the hole wall on one side of the threading hole (11), the fixed hoop (31) and the movable hoop (32) are respectively provided with at least two parts, the fixed hoop (31) and the movable hoop (32) are arranged in a one-to-one opposite mode, and the driving assembly (33) is used for enabling the movable hoop (32) to be close to or far away from the fixed hoop (31);
the bottom of the clamping plate (21) is provided with a rubber piece (211), and the rubber piece (211) can be abutted with an ammeter;
the outer side wall of the cover body (1) is convexly connected with a mounting piece (5);
the driving assembly (33) comprises a driving rod (332) and a fixing piece (333), a fixing through hole is formed in the hole wall of the other side of the threading hole (11), the fixing piece (333) is fixedly connected with the hole wall of the fixing through hole, the fixing piece (333) is arranged on one side, opposite to the fixing hoop (31), of the movable hoop (32), one end of the driving rod (332) penetrates through the fixing piece (333) and is connected with the movable hoop (32), and the driving rod (332) can move along the axis of the driving rod so that the movable hoop (32) is close to or far away from the fixing hoop (31);
the ammeter fixing device further comprises an absorbent assembly (4), wherein the absorbent assembly (4) comprises an absorbent member (41), and the absorbent member (41) can absorb moisture in the cover body (1);
the driving assembly (33) further comprises a connecting piece (331) and a bearing, the connecting piece (331) is connected between the driving rod (332) and the movable hoop (32), a sliding groove (3331) is formed in one side of the fixed hoop (31) in a direction towards the fixed hoop (333), the sliding groove (3331) extends along the axis direction of the driving rod (332), the connecting piece (331) is arranged in the sliding groove (3331) and is in sliding fit with the sliding groove (3331), a bearing hole is formed in the connecting piece (331), an outer ring of the bearing is fixed in the bearing hole, and an inner ring of the bearing is coaxially arranged with the driving rod (332) and is fixedly connected with the driving rod.
2. The electricity meter fixing device according to claim 1, wherein the lifting assembly (22) comprises a screw rod (221), a lifting piece (222) and a sliding piece (223), the screw rod (221) is vertically arranged, one end of the screw rod (221) penetrates out of the cover body (1) and can rotate relative to the cover body (1), the screw rod (221) penetrates through the lifting piece (222) in a threaded mode, the lifting piece (222) is connected to the clamping plate (21), a guide groove (12) is formed in the inner side wall of the cover body (1), the guide groove (12) extends along the vertical direction, the sliding piece (223) is connected to the clamping plate (21), and the sliding piece (223) is in sliding fit with the guide groove (12).
3. The electricity meter fixing device according to claim 1, wherein a protruding portion (411) is protruding from a side wall of the moisture absorbing member (41), a mounting hole (13) is formed in an inner wall of the cover body (1), a sliding groove (131) is formed in a hole wall of the mounting hole (13) along an axial direction, the sliding groove (131) penetrates through the inner wall of the cover body (1), a clamping groove (1311) is formed in a groove side wall of the sliding groove (131), the protruding portion (411) is in sliding fit with the sliding groove (131), the moisture absorbing member (41) can slide into the mounting hole (13) along the sliding groove (131), and the protruding portion (411) can be clamped in the clamping groove (1311).
4. A meter fixing device according to claim 3, wherein the moisture absorbing assembly (4) further comprises a dust screen (42), one end of the mounting hole (13) penetrates through the outer side wall of the cover body (1), and the dust screen (42) is disposed at one end of the mounting hole (13) facing the outer side of the cover body (1).
5. A power metering box comprising an electricity meter fixing device according to any one of claims 1 to 4.
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| CN202111007087.1A CN113533814B (en) | 2021-08-30 | 2021-08-30 | Ammeter fixing device and power metering box |
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| CN202111007087.1A CN113533814B (en) | 2021-08-30 | 2021-08-30 | Ammeter fixing device and power metering box |
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| CN113533814B true CN113533814B (en) | 2024-03-29 |
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| Publication number | Publication date |
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| CN113533814A (en) | 2021-10-22 |
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