CN111332581A - Special protection box for capacitor and use method thereof - Google Patents

Abstract

The invention relates to the field of capacitors, in particular to a special protection box for a capacitor and a using method thereof. Utilize elevating system conveniently with condenser from shell cover in ejection or indentation, drive the block mechanism open or cover the window when elevating system is ejecting or indentation with the condenser from the shell cover, conveniently dismantle, operation such as installation, maintenance to the condenser, play the guard action to the condenser.

Description

Special protection box for capacitor and use method thereof

Technical Field

The invention relates to the field of capacitors, in particular to a special protection box for a capacitor and a using method thereof.

Background

A capacitor is an electronic device for holding electric charges and is widely used.

The existing capacitor is usually installed by adopting a fixed installation structure, so that the capacitor is inconvenient to disassemble and install, in addition, the outer side of the existing capacitor is not provided with a protection structure, dirt such as dust and the like is easy to adhere to the outer side during use, and the service life is shortened.

Disclosure of Invention

The invention aims to provide a special protection box for a capacitor and a using method thereof, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme:

this application provides a special protection box of condenser on the one hand, including the shell that is used for the cylinder tube-shape to the condenser protection, and the condenser is installed in the inside of shell, and the inside of shell is provided with the elevating system who is used for ejecting condenser, and the condenser is fixed elevating system is last, and the periphery wall lower part of shell is provided with and is used for the spacing latched device of elevating system locking, and the last port department of shell is fixed with the apron, and the center department of apron sets up the window of being convenient for the condenser business turn over, and is provided with the blocking mechanism that covers the window on the apron, and elevating system is connected with blocking mechanism transmission.

Preferably, elevating system includes that the dead axle rotates the axostylus axostyle of connecting in the shell inside wall downside, is fixed with first fluted disc on the axostylus axostyle, and fixedly connected with driving lever on the first fluted disc, the one end of driving lever pass set up with the opening on the lateral wall of shell and expose in the outside of shell, and the driving lever can slide in the opening.

Preferably, elevating system still includes the slider of sliding connection in the shell inside, and the bottom surface fixedly connected with rack of slider, and the rack is perpendicular with the different face of axostylus axostyle, and the rack is connected with the meshing of first fluted disc, and first draw-in groove and second draw-in groove have been seted up to one side that the rack deviates from first fluted disc, and second draw-in groove and first draw-in groove set up on the rack according to upper and lower position, and first draw-in groove and second draw-in groove all can correspond the lock joint with latched device.

Preferably, the upper surface of the sliding block is fixedly provided with a vertically upward lifting platform, the capacitor is fixed to the upper end face of the lifting platform, the inner wall of the shell is fixedly provided with a partition plate, the partition plate is located above the sliding block, the bottom face of the partition plate is connected with the upper surface of the sliding block through a first spring, and the lifting platform penetrates through the middle of the partition plate and can slide up and down relative to the partition plate.

Preferably, the locking mechanism comprises a lock sleeve fixed on the outer peripheral wall of the shell, a lock rod is arranged inside the lock sleeve, a convex ring is fixed in the middle of the lock rod and is connected in the lock sleeve in a sliding mode, the right side wall of the convex ring is connected with the right end of the lock sleeve through a third spring, a buckling block is fixed at the right end of the lock rod and is located on the outer side of the lock sleeve, and the buckling block can be abutted to and buckled with the right end of the lock sleeve.

Preferably, the left end of the lock rod penetrates through the side wall of the shell and can slide left and right relative to the side wall of the shell, and the lock rod can correspond to the first clamping groove and the second clamping groove and can be respectively inserted into the first clamping groove and the second clamping groove.

Preferably, the blocking mechanism comprises two first sliding grooves formed in the upper surface of the cover plate, the two first sliding grooves are symmetrically located on two sides of the window and are parallel to each other, the first sliding grooves are parallel to the shaft rod, the first sliding grooves are connected with two sealing plates in a sliding mode, and the two sealing plates are symmetrically arranged and can be mutually closed to block the window.

Preferably, the upper surface dead axle of apron rotates and is connected with two pivots, and two the pivot and two the shrouding one-to-one, each all be fixed with second fluted disc and pendulum rod in the pivot, the one end that the pivot was kept away from to the pendulum rod is fixed with the inserted bar, and the inserted bar is pegged graft in the spout two that corresponds, and the inserted bar can slide in spout two, and spout two is seted up at the shrouding upper surface, two epaxial second fluted disc intermeshing connects, and the second fluted disc is the fan-shaped structure, is fixed with the gear in one of them pivot.

Preferably, the blocking mechanism still includes the ring gear, and the ring gear cup joints on the lateral wall of apron to the fixed axis rotation can be on the apron to the ring gear, and the lateral wall of shell is fixed with the sliding sleeve, and sliding connection has vertical ascending pull rod on the sliding sleeve, and the lower extreme of pull rod is fixed with the pin rod, and the pin rod is pegged graft at the bar inslot of seting up on the driving lever, and the pin rod can slide at the bar inslot, and the upper end of pull rod is connected with the ring gear through spring two.

In addition, the application also provides a using method of the special protection box for the capacitor, which comprises the following steps:

the method comprises the following steps: the locking mechanism is released, the capacitor is ejected out of the window by the lifting mechanism, and after the capacitor is ejected out by the lifting mechanism, the locking mechanism locks and limits the lifting mechanism;

step two: the lifting mechanism pushes out the capacitor and simultaneously drives the blocking mechanism to open the window;

step three: the locking mechanism is released, the capacitor is automatically driven to be retracted into the shell sleeve by the aid of the lifting mechanism, the locking mechanism is locked and limited to the lifting mechanism, and the lifting mechanism drives the capacitor to be retracted into the shell sleeve and simultaneously drives the blocking mechanism to cover the window.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the capacitor is conveniently ejected out of or retracted into the shell sleeve by using the lifting mechanism, so that the capacitor is conveniently detached, installed, maintained and the like, the blocking mechanism is driven to open or cover the window while the lifting mechanism ejects or retracts the capacitor out of or into the shell sleeve, so that the capacitor is conveniently taken out, the capacitor is protected, and the locking mechanism is used for locking and limiting the lifting mechanism, so that the capacitor is conveniently operated, and the misoperation of the lifting mechanism is avoided.

Drawings

FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 2 is a left side view of the final assembly structure of the present invention;

FIG. 3 is a top view of the final assembly structure of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 5 is a second left side view of the final assembly structure of the present invention;

FIG. 6 is a second top view of the final assembly structure of the present invention;

fig. 7 is an enlarged schematic view of a portion a in fig. 4.

In the figure: 1-a shell sleeve; 2-shaft lever; 3-a deflector rod; 4-through opening; 5-a first fluted disc; 6-a strip-shaped groove; 7-a rack; 8-a first card slot; 9-a locking mechanism; 10-a slide block; 11-a lifting platform; 12-a first spring; 13-a separator; 14-a cover plate; 15-a gear ring; 16-a window; 17-closing plate; 18-a sliding sleeve; 19-a pull rod; 20-a second card slot; 21-a rotating shaft; 22-gear; 23-a swing rod; 24-a first chute; 25-a second fluted disc; 26-a second chute; 27-spring two; 28-a lock sleeve; 29-convex ring; 30-a locking bar; 31-spring three; 32-a button block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a special protection box of condenser, is including the shell 1 that is used for the cylinder tube-shape of condenser protection, and the condenser is installed in the inside of shell 1, and the inside of shell 1 is provided with the elevating system who is used for ejecting the condenser, and the condenser is fixed elevating system is last, and the periphery wall lower part of shell 1 is provided with and is used for the spacing latched device 9 of elevating system locking, and the last port department of shell 1 is fixed with apron 14, and the center department of apron 14 sets up the window 16 that is convenient for the condenser business turn over, and is provided with the blocking mechanism that covers window 16 on the apron 14, and elevating system is connected with blocking mechanism transmission.

In this embodiment, as shown in fig. 1 and 4, the lifting mechanism includes a shaft rod 2 rotatably connected to the lower side of the inner sidewall of the casing 1, a first toothed disc 5 is fixed on the shaft rod 2, the first toothed disc 5 is of a fan-shaped structure, a shift lever 3 is fixedly connected to the first toothed disc 5, one end of the shift lever 3 passes through a through hole 4 formed in the sidewall of the casing 1 and is exposed outside the casing 1, and the shift lever 3 can slide in the through hole 4. The driving lever 3 design of this application can make things convenient for the maintenance and the dismouting of condenser in large-scale condenser's use, plays fine condenser guard action, in addition, can design the different length adaptation specific in service behavior of driving lever 3, lets the shorter condition of driving lever 3 length also within the protection scope of this application for the space.

In this embodiment, as shown in fig. 1 and 4, the lifting mechanism further includes a slider 10 slidably connected inside the housing 1, a rack 7 is fixedly connected to a bottom surface of the slider 10, the rack 7 is perpendicular to the different surface of the shaft rod 2, the rack 7 is engaged with the first fluted disc 5, a first clamping groove 8 and a second clamping groove 20 are formed in one side of the rack 7 away from the first fluted disc 5, the second clamping groove 20 and the first clamping groove 8 are disposed on the rack 7 according to upper and lower positions, and both the first clamping groove 8 and the second clamping groove 20 can be correspondingly fastened with the locking mechanism 9. It should be noted that, the shell 1 of the present application can also be adapted to the corresponding capacitor by adapting the shell 1 without creative work by those skilled in the art of the present application, and the specific model and size of the capacitive element with a large volume are not limited by the present application, as long as those skilled in the art can know that the shell of the present application can be used to work on the capacitive element within the protection scope of the present application.

In this embodiment, as shown in fig. 1 and 4, a vertically upward lifting table 11 is fixed on an upper surface of a slider 10, a capacitor is fixed on an upper end surface of the lifting table 11, the capacitor can be detachably fixed on the lifting table 11 by soldering, screws, clamping, embedding, and the like, so that the capacitor can be conveniently taken down from the lifting table 11 for maintenance or replacement, a partition plate 13 is fixed on an inner wall of a shell 1, the partition plate 13 is located above the slider 10, a bottom surface of the partition plate 13 is connected with the upper surface of the slider 10 through a first spring 12, and the lifting table 11 penetrates through a middle part of the partition plate 13 and can slide up and down relative to the partition plate 13.

In this embodiment, as shown in fig. 7, the locking mechanism 9 includes a lock sleeve 28 fixed on the outer peripheral wall of the casing 1, a lock rod 30 is disposed inside the lock sleeve 28, a protruding ring 29 is fixed in the middle of the lock rod 30, the protruding ring 29 is slidably connected inside the lock sleeve 28, the right side wall of the protruding ring 29 is connected to the right end of the lock sleeve 28 through a third spring 31, a fastening block 32 is fixed at the right end of the lock rod 32, the fastening block 32 is located outside the lock sleeve 28, and the fastening block 32 can be in abutting contact with the right end of the lock sleeve 28.

In this embodiment, the left end of the lock rod 30 penetrates through the sidewall of the casing 1 and can slide left and right relative to the sidewall of the casing 1, and the lock rod 30 can correspond to the first slot 8 and the second slot 20 and can be respectively inserted into the first slot 8 and the second slot 20.

In this embodiment, as shown in fig. 3 and 6, the blocking mechanism includes two sliding grooves one 24 formed on the upper surface of the cover plate 14, the two sliding grooves one 24 are symmetrically located on two sides of the window 16, the two sliding grooves one 24 are parallel to each other, the sliding grooves one 24 are parallel to the shaft rod 2, the sliding grooves one 24 are slidably connected with two blocking plates 17, and the two blocking plates 17 are symmetrically arranged and can be mutually folded to block the window 16.

In this embodiment, as shown in fig. 3 and fig. 6, two rotating shafts 21 are connected to the upper surface of the cover plate 14 in a fixed-axis rotating manner, the two rotating shafts 21 correspond to the two sealing plates 17 one by one, a second toothed disc 25 and a swing rod 23 are fixed to each rotating shaft 21, an insertion rod is fixed to one end of the swing rod 23 away from the rotating shaft 21, the insertion rod is inserted into a corresponding second sliding groove 26, the insertion rod can slide in the second sliding groove 26, the second sliding groove 26 is opened on the upper surface of the sealing plate 17, the second toothed discs 25 on the two rotating shafts 21 are engaged with each other, the second toothed disc 25 is of a fan-shaped structure, and a gear 22 is fixed to one of the rotating shafts 21.

In this embodiment, as shown in fig. 1, 2 and 3, the blocking mechanism further includes a gear ring 15, the gear ring 15 is sleeved on an outer side wall of the cover plate 14, and the gear ring 15 can be fixed on the cover plate 14 to rotate in a fixed axis manner, a sliding sleeve 18 is fixed on an outer side wall of the shell 1, a vertically upward pull rod 19 is slidably connected on the sliding sleeve 18, a pin rod is fixed at a lower end of the pull rod 19, the pin rod is inserted in a strip-shaped groove 6 formed in the shift lever 3 and can slide in the strip-shaped groove 6, an upper end of the pull rod 19 is connected with the gear ring 15 through a first spring 12, as shown in fig. 2, 3, 5 and 6, a gear 22 is fixed on a rotating shaft 21 located at an upper side in fig. 3 and 6, the gear ring 15 in fig. 3 and 6 is equally divided by a horizontal line, an upper end of the first spring 12 is connected with an upper half circle of the gear ring 15, and a connection point of the first spring 12 and the gear ring 15 is, on the contrary, a gear 22 is fixed on the rotating shaft 21 positioned at the lower side in fig. 3 and 6, the gear ring 15 in fig. 3 and 6 is equally divided by a horizontal line, the upper end of the spring I12 is connected with the lower half circle of the gear ring 15, and the connection point of the spring I12 and the gear ring 15 is also not positioned right above the pull rod 19, so that the window 16 can be opened by synchronously driving the blocking mechanism when the lifting mechanism ejects the capacitor, and the window 16 can be covered by synchronously driving the blocking mechanism when the lifting mechanism drives the capacitor to descend.

According to the disclosure of the protection box, the application also provides a method for using the protection box special for the capacitor, which comprises the following steps:

the method comprises the following steps: when the capacitor needs to be taken out of the shell 1, as shown in fig. 1, the buckle block 32 is pinched by a hand, the buckle block 32 can also be clamped by tweezers, and a force is applied rightwards, so that the buckle block 32 drives the lock rod 30 to move rightwards in the lock sleeve 28, meanwhile, the third spring 31 is compressed by the convex ring 29, so that the third spring 31 obtains a leftwards restoring force, the lock rod 30 moves rightwards and is separated from the second clamping groove 20, the locking limiting effect on the rack 7 is removed, meanwhile, the right end of the shift lever 3 is pressed downwards by the hand, as shown in fig. 4, the right end of the shift lever 3 is pressed downwards and rotates anticlockwise around the shaft rod 2, according to the lever principle, the shift lever 3 synchronously drives the first fluted disc 5 to synchronously rotate anticlockwise around the shaft rod 2, the anticlockwise rotation of the first fluted disc 5 drives the rack 7 to vertically move upwards through the meshing effect of teeth between the first fluted disc 5 and the rack 7, the rack 7 synchronously drives, and then the sliding block 10 drives the lifting plate 11 to move upwards, when the sliding block 10 moves upwards, the sliding block 10 approaches to the partition plate 13, so that the first spring 12 is compressed, the first spring 12 obtains a downward restoring force, the lifting table 11 synchronously drives the capacitor to move upwards while moving upwards, after the shift lever 3 is fastened with the lower end of the through opening 4, the shift lever 3 drives the rack 7 to move upwards to the highest point through the first fluted disc 5, the first clamping groove 8 corresponds to the lock rod 30, so that the convex ring 29 and the lock rod 30 are pushed to move leftwards under the leftward restoring force action of the third spring 31, the left end of the lock rod 30 is inserted into the first clamping groove 8, and further, the limit locking of the lock rod 30 on the rack 7 is realized, the rack 7 cannot move upwards and downwards, the limit of the rack 7 makes the sliding block 10 and the lifting table 11 also be limited and cannot move upwards and downwards, so that the locking limit, after the capacitor is ejected out by the lifting mechanism, both hands can be liberated, and the capacitor can be disassembled, installed, maintained and the like, so that the lifting mechanism is very convenient; for example, the application can act on a Zhengtai capacitor BZMJ0.450.4 reactive compensation self-healing low-voltage parallel power capacitor, and can also act on an electrolytic capacitor 75x145 with the model number of 450V4700UF, the specific model of the capacitor is out of the protection range of the application, and any protection box of the capacitor is in the protection range of the application as long as the protection box meets the use steps of the application.

Step two: as mentioned above, in the process that the shift lever 3 rotates counterclockwise around the shaft rod 2, the shift lever 3 drives the pull rod 19 to move downward through the strip-shaped groove 6 and the pin rod, as shown in fig. 2 and 5, the downward movement of the pull rod 19 applies a downward pulling force to the second spring 27, and causes the second spring 27 to lengthen and stretch, so as to apply a force to the gear ring 15 through the second spring 27, as shown in fig. 3 and 6, after the gear ring 15 is pulled by the spring 12, a component force of the pulling force in a tangential direction of the gear ring 15 causes the gear ring 15 to rotate counterclockwise around the center of the cover plate 14, the counterclockwise rotation of the gear ring 15 drives the gear 22 to rotate counterclockwise through a tooth transmission effect between the gear ring 15 and the gear 22, the counterclockwise rotation of the gear 22 drives the corresponding second gear 25 and the swing rod 23 to rotate counterclockwise through the rotating shaft 21 fixed to the gear ring 22, the counterclockwise rotation of the second gear 25 drives the other second gear 25 to rotate clockwise through a tooth transmission effect, the rotating shaft 21 where the oscillating bar 23 is located drives the other oscillating bar 23 to rotate anticlockwise, namely the two oscillating bars 23 rotate in opposite directions, so that the corresponding sealing plates 17 are driven to be away from each other, the window 16 is opened, when the capacitor is ejected by the lifting mechanism, the blocking mechanism can be synchronously driven to open the window 16, the capacitor is conveniently ejected smoothly, and the capacitor is convenient to disassemble, install, maintain and the like;

step three: when the capacitor needs to be retracted into the shell 1, as shown in fig. 4, the buckling block 32 is pinched by a hand, the buckling block 32 can also be clamped by tweezers, and a force is applied rightwards, so that the buckling block 32 drives the lock rod 30 to move rightwards in the lock sleeve 28, and simultaneously the third spring 31 is compressed by the convex ring 29, so that the third spring 31 obtains a leftwards restoring force, the lock rod 30 moves rightwards and then is separated from the first clamping groove 8, the locking limiting effect on the rack 7 is removed, so that the rack 7 can move upwards and downwards, and further the slider 10 and the lifting platform 11 can also move upwards and downwards, at the moment, the slider 10 moves downwards under the action of the downward restoring force of the first spring 12, the slider 10 synchronously moves downwards to drive the lifting platform 11 to move downwards, and further the lifting platform 11 drives the capacitor to retract into the shell 1 from the window 16, the downward movement of the slider 10 synchronously moves the rack 7 downwards, the downward movement of the rack 7 drives the first fluted disc 5 to rotate clockwise around the first fluted disc 2, according to the lever principle, the first fluted disc 5 rotates clockwise around the shaft lever 2 and simultaneously drives the shift lever 3 to synchronously rotate clockwise around the shaft lever 2 and reset, when the shift lever 3 is buckled with the upper end of the through hole 4, the rack 7 moves downwards to the lowest point, i.e. the initial position, at this time, the second card slot 20 corresponds to the lock rod 30, so that the convex ring 29 and the lock rod 30 are pushed to move left by the restoring force of the spring three 31 to the left, and the left end of the lock rod 30 is plugged into the second card slot 20 again, further realizing the limit locking of the lock rod 30 to the rack 7, so that the rack 7 can not move up and down, the limit of the rack 7 causes the slide block 10 and the lifting platform 11 to be limited and can not move up and down, therefore, the capacitor is prevented from being ejected out by touching the lifting lever 7 by mistake and triggering the lifting mechanism, so that the capacitor is ensured to be stably positioned in the shell sleeve 1 and the normal work of the capacitor is kept;

as mentioned above, in the process that the shift lever 3 rotates clockwise around the shaft rod 2, the shift lever 3 drives the pull rod 19 to move upwards through the strip-shaped groove 6 and the pin rod, as shown in fig. 5 and fig. 2, the upward movement of the pull rod 19 applies an upward thrust to the second spring 27, and the second spring 27 is shortened and compressed, so that a reverse force is applied to the gear ring 15 through the second spring 27, as shown in fig. 6 and fig. 3, after the gear ring 15 is subjected to the thrust of the spring 12, the component force of the thrust in the tangential direction of the gear ring 15 causes the gear ring 15 to rotate clockwise around the center of the cover plate 14, the clockwise rotation of the gear ring 15 drives the gear 22 to rotate clockwise through the tooth transmission effect between the gear ring 15 and the gear 22, the clockwise rotation of the gear 22 drives the corresponding second gear 25 and the swing rod 23 to rotate counterclockwise through the rotating shaft 21 fixed to the gear ring 25, the clockwise rotation of the second gear 25 drives the other second gear 25 to rotate counterclockwise, the rotating shaft 21 where the two oscillating bars 23 are located drives the other oscillating bar 23 to rotate clockwise, namely the two oscillating bars 23 rotate in opposite directions, and then the corresponding sealing plates 17 are driven to approach each other, so that the window 16 is covered, and external dust and other dirt are prevented from entering the shell sleeve 1 through the window 16, so that a capacitor protection effect is achieved, and the sealing mechanism can be synchronously driven to cover the window 16 while the lifting mechanism drives the capacitor to retract into the shell sleeve 1, so that the capacitor protection effect is achieved; it should be noted that, the second spring 27 of the present application is designed as shown in fig. 2 and fig. 5, in the process of driving the gear ring 15 to move, because the seal plate 17 is close to the second spring 27 and does not move, the second spring 27 always does not move along the vertical line with the position of the pull rod 19, but as shown in fig. 2 and fig. 5, the gear ring 15 is driven to move on one side of the pull rod 19, so that the up-and-down movement of the pull rod 19 can be transmitted to the gear ring 15 through the second spring 27, the gear ring moves back and forth, the covering and opening of the window 16 are realized, compared with a general transmission design, the second spring of the present application is simple and practical in design, and has high flexibility, the gear ring 15 is driven to move, and the window can be opened and closed quickly. And after the locking limit of the locking mechanism 9 on the rack 7 is released, the energy stored by the first spring 12 when the capacitor is ejected by the lifting mechanism is utilized to realize automatic return, the operation is simple and convenient, and the time and the labor are saved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a special protection box of condenser, includes shell (1) of the cylinder tube-shape that is used for protecting the condenser, and the condenser is installed in the inside of shell (1), its characterized in that: the utility model discloses a capacitor box, including shell (1), condenser, cover plate (14), window (16) that the condenser of being convenient for passed in and out are seted up to the center department of cover plate (14), and are provided with the block mechanism that covers window (16) on cover plate (14), and be provided with on cover plate (14) and carry out the block mechanism that covers to window (16), and elevating system is connected with the block mechanism transmission.

2. The special protection box for the capacitor according to claim 1, characterized in that: elevating system includes that the dead axle rotates and connects axostylus axostyle (2) of shell cover (1) inside wall downside, be fixed with first fluted disc (5) on axostylus axostyle (2), first fluted disc (5) are fan-shaped structure, and fixedly connected with driving lever (3) on first fluted disc (5), the one end of driving lever (3) is passed opening and is exposed in the outside of shell cover (1) with opening (4) on the lateral wall of shell cover (1), and driving lever (3) can slide in opening (4).

3. The special protection box for the capacitor according to claim 2, characterized in that: the lifting mechanism further comprises a sliding block (10) which is connected to the inside of the shell sleeve (1) in a sliding mode, a rack (7) is fixedly connected to the bottom face of the sliding block (10), the rack (7) is perpendicular to the different face of the shaft rod (2), the rack (7) is meshed with the first fluted disc (5), a first clamping groove (8) and a second clamping groove (20) are formed in one side, deviating from the first fluted disc (5), of the rack (7), the second clamping groove (20) and the first clamping groove (8) are arranged on the rack (7) in the up-down position mode, and the first clamping groove (8) and the second clamping groove (20) can be correspondingly buckled with the locking mechanism (9).

4. The special protection box for the capacitor according to claim 3, characterized in that: the upper surface of slider (10) is fixed with vertical ascending elevating platform (11), and the condenser is fixed in the up end department of elevating platform (11), the inner wall of shell (1) is fixed with baffle (13), and baffle (13) are located the top of slider (10), be connected through spring (12) between the bottom surface of baffle (13) and the upper surface of slider (10), elevating platform (11) run through the middle part of baffle (13) to can slide from top to bottom relative to baffle (13).

5. The special protection box for the capacitor according to claim 3, characterized in that: latching mechanism (9) is including fixing lock sleeve (28) on shell (1) periphery wall, the inside of lock sleeve (28) is provided with locking lever (30), protruding ring (29) are fixed at the middle part of locking lever (30), protruding ring (29) sliding connection is in lock sleeve (28), the right side wall of protruding ring (29) is connected with the right-hand member of lock sleeve (28) through three (31) springs, the right-hand member of locking lever (32) is fixed with detains piece (32), detain the outside that piece (32) are located lock sleeve (28), and detain piece (32) and can support the knot contact with the right-hand member of lock sleeve (28).

6. The special protection box for the capacitor according to claim 5, characterized in that: the left end of the lock rod (30) penetrates through the side wall of the shell sleeve (1) and can slide left and right relative to the side wall of the shell sleeve (1), and the lock rod (30) can correspond to the first clamping groove (8) and the second clamping groove (20) and can be respectively inserted into the first clamping groove (8) and the second clamping groove (20).

7. The special protection box for the capacitor according to claim 4, characterized in that: the blocking mechanism comprises two first sliding grooves (24) formed in the upper surface of the cover plate (14), the first sliding grooves (24) are symmetrically located on two sides of the window (16) and are parallel to each other, the first sliding grooves (24) are parallel to the shaft rod (2), the first sliding grooves (24) are connected with two sealing plates (17) in a sliding mode, the two sealing plates (17) are symmetrically arranged and can be mutually closed to block the window (16).

8. The special protection box for the capacitor according to claim 7, characterized in that: the upper surface dead axle of apron (14) rotates and is connected with two pivot (21), and two pivot (21) and two shrouding (17) one-to-one, each all be fixed with second fluted disc (25) and pendulum rod (23) on pivot (21), the one end that pivot (21) were kept away from in pendulum rod (23) is fixed with the inserted bar, and the inserted bar pegs graft in corresponding spout two (26), and the inserted bar can slide in spout two (26), spout two (26) are seted up in shrouding (17) upper surface, two second fluted disc (25) intermeshing on pivot (21) is connected, and second fluted disc (25) are fan-shaped column structure, are fixed with gear (22) on one of them pivot (21).

9. The special protection box for the capacitor according to claim 8, characterized in that: the blocking mechanism further comprises a gear ring (15), the gear ring (15) is sleeved on the outer side wall of the cover plate (14), and the gear ring (15) is in transmission connection with the gear (22); and ring gear (15) can be fixed axis rotation on apron (14), the lateral wall of shell (1) is fixed with sliding sleeve (18), sliding sleeve (18) go up sliding connection have vertical ascending pull rod (19), the lower extreme of pull rod (19) is fixed with the pin rod, and the pin rod pegs graft in setting up in bar groove (6) on driving lever (3) to the pin rod can slide in bar groove (6), the upper end of pull rod (19) is connected with ring gear (15) through spring two (27).

10. The use method of the special protection box for the capacitor according to claim 9, is characterized in that: the method comprises the following steps:

the method comprises the following steps: the locking mechanism (9) is released, the capacitor is ejected out of the window (16) by using the lifting mechanism, and after the capacitor is ejected out by the lifting mechanism, the locking mechanism (9) locks and limits the lifting mechanism;

step two: the lifting mechanism pushes out the capacitor and simultaneously drives the blocking mechanism to open the window (16);

step three: the locking mechanism (9) is released, the capacitor is automatically driven to be retracted into the shell sleeve by the aid of the lifting mechanism, the locking mechanism (9) locks and limits the lifting mechanism, and the lifting mechanism drives the capacitor to be retracted into the shell sleeve and simultaneously drives the blocking mechanism to cover the window (16).

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