CN214592329U - Case and frequency converter - Google Patents

Abstract

The utility model provides a quick-witted case and converter, quick-witted case include upper cover and the inferior valve that dismantled and assembled lid closed, and the lid of upper cover and inferior valve closes the department and is provided with waterproof stripe, and upper cover and inferior valve pass through buckle structure and install together, and buckle structure includes: the buckle is arranged on the upper cover or the lower cover, and the clamping groove is arranged on the lower cover or the upper cover; the buckles comprise a first buckle and a second buckle, and the first buckle and the second buckle are arranged on different end surfaces of the upper cover or the lower shell; the clamping groove comprises a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are respectively buckled with the first buckle and the second buckle to enable the upper cover to be detachably covered on the lower shell. Compared with the prior art, the case is provided with the buckles and the clamping grooves on the upper cover and the lower shell to replace the traditional screw connection mode, so that the disassembly and assembly efficiency is improved, and the disassembly and assembly speed is increased. The speed and the efficiency of disassembly and assembly are ensured, so that the upper cover and the lower shell are clamped more stably.

Description

Case and frequency converter

Technical Field

The utility model belongs to the technical field of the converter, more specifically say, relate to a machine case and converter.

Background

In general, the high-protection structure is a sheet metal machine or a plastic shell machine, wherein the sheet metal machine and the plastic shell machine are used for accommodating the frequency converter (the frequency converter shell is divided into a sheet metal and a plastic shell). The realization of high protection between apron and the casing is realized through the mode that the screw compresses tightly the adhesive tape. Therefore, the efficiency of installing and detaching the connection wire of the frequency converter is low, (in addition, the design without screws is more beautiful than the design with screws in the aspect of beauty) and the cost is relatively high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick-witted case and converter to solve the converter wiring installation that exists among the prior art and the slow problem of dismouting efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a case, including upper cover and the inferior valve that dismantled and assembled lid closed, the lid of upper cover and inferior valve closes the department and is provided with waterproof stripe, upper cover and inferior valve pass through buckle structure and install together, buckle structure includes: the clamping groove is arranged on the lower shell or the upper cover; the buckles comprise a first buckle and a second buckle, and the first buckle and the second buckle are arranged on different end faces of the upper cover or the lower shell; the clamping groove comprises a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are respectively buckled with the first buckle and the second buckle to enable the upper cover to be detachably covered on the lower shell.

Furthermore, the upper cover is provided with the first buckle and the second buckle, and the lower shell is provided with the first clamping groove and the second clamping groove.

Furthermore, an opening is formed in the lower shell, and after the second buckle is clamped with the second clamping groove, the second buckle is clamped on the opening.

Furthermore, a first enclosing plate is arranged in the upper cover, a second buckle is arranged in a space enclosed by the inner side surfaces of the end surfaces of the first enclosing plate and the upper cover, a second enclosing plate is arranged in the lower cover, a cavity is formed by the end surfaces of the second enclosing plate and the lower cover, the opening is communicated with the cavity, the cavity and the opening form a second clamping groove, the second buckle is clamped on the second clamping groove, the first enclosing plate is right opposite to the second enclosing plate, and the waterproof adhesive tapes are arranged on the first enclosing plate and the enclosing plate.

Furthermore, two corners are formed on the end face opposite to the end face provided with the first buckle and the face provided with the second buckle, and the two second buckles are respectively arranged at the two corners.

Further, first draw-in groove orientation the inboard of inferior valve is sunken, first buckle block behind the first draw-in groove, the upper cover with the side parallel and level of inferior valve.

Furthermore, the upper cover is also provided with an insertion block, and the lower shell is correspondingly provided with an insertion groove for the insertion of the insertion block.

Further, the first buckle is arranged on the end face of the upper cover along the width direction, and the second buckle is arranged on the end face of the upper cover along the length direction.

Furthermore, one end face of the upper cover is provided with two first buckles, the upper cover is further provided with two second buckles, and the second buckles are arranged on two different end faces of the upper cover respectively.

Another object of the utility model is to provide a frequency converter, the frequency converter holding is at above-mentioned quick-witted incasement, offer on the terminal surface of machine case and be used for the confession the line hole of crossing of walking is walked to the frequency converter, cross and be provided with waterproof coil of crossing on the line hole.

The utility model provides a beneficial effect of quick-witted case lies in: compared with the prior art, the utility model discloses set up buckle and draw-in groove on upper cover and inferior valve and replace traditional screwed connection's mode, improved the efficiency of dismouting for the speed of dismouting. (this kind of buckle compatible waterproof stripe design simultaneously can propose the protection grade of high plastic shell complete machine) moreover, set up at least one first buckle and two at least second buckles, first buckle and second buckle set up respectively on the different terminal surfaces of upper cover, first draw-in groove, second draw-in groove respectively with first buckle, second buckle set up position, design quantity one-to-one. When guaranteeing dismouting speed and efficiency, still compromise the evenly distributed nature of upper cover and inferior valve in the block position for the upper cover gets more stable with the inferior valve block.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a chassis according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1, with portions of the structure not shown;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1, with portions of the structure not shown;

fig. 4 is an exploded schematic view of a chassis according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an upper cover adopted in the embodiment of the present invention;

fig. 6 is a first schematic structural diagram of a lower shell adopted in the embodiment of the present invention, and a part of the structure is not shown;

fig. 7 is a schematic structural diagram ii of a lower shell adopted in the embodiment of the present invention, and a partial structure is not shown.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. an upper cover; 2. a lower case; 3. a first buckle; 4. a second buckle; 5. a first card slot;

6. a second card slot; 61. an opening; 62. a cavity;

7. a first enclosing plate; 8. a second enclosing plate; 9. a waterproof adhesive tape; 10. waterproof wire passing coils; 11. an insertion block; 12. Inserting grooves; 13. reinforcing ribs; 14. a wire passing hole; 15. a base plate; 16. a rounded corner groove; 17. and a through hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 4, a case according to an embodiment of the present invention will be described. The case comprises an upper cover 1 and a lower shell 2, wherein the upper cover 1 and the lower shell 2 are mutually detachably covered. The lid of upper cover 1 and inferior valve 2 closes the department and is provided with joint strip 9, and after first buckle 3 and 5 joints of first draw-in groove were accomplished, joint strip 9 was pressed from both sides between first buckle 3 and first draw-in groove 5, and second buckle 4 is the same with second draw-in groove 6, and joint strip 9 centre gripping is between second buckle 4 and second draw-in groove 6 to reinforcing upper cover 1 and inferior valve 2's leakproofness. Be provided with buckle and draw-in groove on upper cover 1 and inferior valve 2, the buckle includes first buckle 3 and second buckle 4, and first buckle 3 sets up on one of them terminal surface of upper cover 1 or inferior valve 2, and second buckle 4 sets up on the other terminal surface of upper cover 1 or inferior valve 2. The draw-in groove includes first draw-in groove 5 and second draw-in groove 6, first draw-in groove 5 sets up on inferior valve 2 or upper cover 1 with first buckle 3 corresponding position on, second draw-in groove 6 sets up on inferior valve 2 or upper cover 1 with second buckle 4 corresponding position on, first draw-in groove 5, second draw-in groove 6 respectively with first buckle 3, second buckle 4 one-to-one, the mode that corresponds is including setting up the position on superior cover 1 and inferior valve 2 respectively, still including the quantity that sets up. When the upper cover 1 and the lower shell 2 are covered, the first buckle 3 and the first clamping groove 5 are required to be correspondingly clamped, and the second buckle 4 can be clamped with the second clamping groove 6. It should be noted that, the first buckle 3 and/or the second buckle 4 may be disposed on the upper cover 1, and may also be disposed on the lower shell 2, and for the same reason, the second locking groove 6 and/or may be disposed on the lower shell 2, and may also be disposed on the upper cover 1.

According to the algorithm of arrangement and combination, there are four kinds of setting and opening conditions of the first buckle 3, the second buckle 4, the first card slot 5 and the second card slot 6, for example, the first buckle 3 and the second buckle 4 are provided on the upper cover 1, the first card slot 5 and the second card slot 6 are provided on the lower cover 2, or the first buckle 3 is provided on the upper cover 1, the second buckle 4 is provided on the lower cover 2, the first card slot 5 is provided on the lower cover 2, and the second card slot 6 is provided on the upper cover 1. Two other cases are not listed.

The utility model provides a case, compared with the prior art, set up buckle and draw-in groove on upper cover 1 and inferior valve 2 and replace traditional screwed connection's mode, improved the efficiency of dismouting for the speed of dismouting. Moreover, set up at least one first buckle 3 and two at least second buckles 4, first buckle 3 and second buckle 4 set up respectively on the different terminal surfaces of upper cover 1, first draw-in groove 5, second draw-in groove 6 respectively with first buckle 3, 4 one-to-one of second buckle, the mode that corresponds is including setting up the position on upper cover 1 and inferior valve 2 respectively, still including the quantity that sets up. When guaranteeing dismouting speed and efficiency, still compromise the evenly distributed nature of upper cover 1 and inferior valve 2 in the block position for upper cover 1 and inferior valve 2 block are more stable.

Preferably, referring to fig. 4, in view of the fact that the upper cover 1 is generally much smaller than the thickness and size of the lower cover 2, in the present embodiment, the first latch 3 and the second latch 4 are preferably disposed on the engaging edge of the upper cover 1, and the first latch 5 and the second latch 6 are preferably disposed on the engaging edge of the lower cover 2. Since the thickness and size of the upper case 1 are much smaller, the strength of the upper case 1 is much lower than that of the lower case 2. Therefore, in the present embodiment, it is preferable that the first clip 3 and the second clip 4 are provided on the upper cover 1, and the first locking groove 5 and the second locking groove 6 are opened in the lower case 2. Of course, the first buckle 3 and/or the second buckle 4 may be disposed on the lower case 2, and the first locking groove 5 and/or the second locking groove 6 may be disposed on the upper case 1.

Further, referring to fig. 5 to 7, in the present embodiment, a special engaging manner is designed for engaging the second buckle 4 with the second locking groove 6, a first enclosing plate 7 is disposed in the upper cover 1, and the first enclosing plate 7 and an inner side surface of the end surface of the upper cover 1 adjacent thereto enclose a space for accommodating the second buckle 4. Correspondingly, be provided with the second bounding wall 8 just right with first bounding wall 7 in lower shell 2, second bounding wall 8 has formed the open cavity 62 in top rather than the medial surface of the lower shell 2 terminal surface that is close to, seted up opening 61 on the lower shell 2, opening 61 and aforementioned cavity 62 intercommunication have formed second draw-in groove 6, seen from the cross-sectional view, opening 61 and cavity 62 are "L" shape intercommunication, second buckle 4 and second draw-in groove 6 are when the block, second buckle 4 enters into the cavity 62 that second bounding wall 8 and lower shell 2 terminal surface formed earlier, the trip of second buckle 4 finally inserts in opening 61, the buckle and the lower shell 2 butt of second buckle 4, exactly is the part that lower shell 2 is located the opening 61 top. Second buckle 4 and second draw-in groove 6 are accomplished the back at the joint, and the terminal surface of upper cover 1 is parallel and level mutually with the terminal surface of inferior valve 2, and the trip of second buckle 4 can not stretch out from opening 61. In addition, first bounding wall 7 just accomplishes the concatenation with second bounding wall 8, when accomplishing the joint, has still guaranteed that first bounding wall 7 and second bounding wall 8 prevent outside dust and moisture to enter into the inside of quick-witted case to the closing action of upper cover 1 and inferior valve 2.

Further, referring to fig. 5 to 7, the specific clamping manner of the second buckle 4 and the second clamping groove 6 is mentioned in the foregoing, so that the high protection effect is achieved, in this embodiment, the setting and the opening positions of the second buckle 4 and the second clamping groove 6 are also optimized, the upper cover 1 and the lower cover 2 have four corners respectively, the first buckle 3 is arranged on one end surface of the upper cover 1, the end surface opposite to the end surface on which the first buckle 3 is arranged, the end surface on which the second buckle 4 is arranged, and the two corners are formed on the surface on which the second buckle 4 is arranged, and the second buckle 4 is arranged on the two corners respectively. Second buckle 4 sets up respectively in two corners, and second buckle 4 set up respectively in the position of upper cover 1 moreover for second buckle 4's distribution is more even, has improved the stability and the homogeneity of the block of second buckle 4 and second draw-in groove 6.

In the present embodiment, referring to fig. 5 to 7, the shape and configuration of the first clip 3 and the first card slot 5 are the same as the design manner and concept of the conventional clip and card slot. However, the first buckle 3 is arranged on the same end face of the upper cover 1, the first clamping groove 5 is arranged on the same end face corresponding to the lower shell 2, and the arrangement position and the shape of the second buckle 4 and the second clamping groove 6 are matched, so that the first buckle 3 and the first clamping groove 5 are matched to play a role of a rotating shaft when the upper cover 1 and the lower shell 2 are disassembled and assembled, and the rotation mode of the hinge can be understood. Wherein, first draw-in groove 5 is sunken towards the inboard of inferior valve 2, behind first buckle 3 and the 5 blocks of first draw-in groove for the terminal surface of upper cover 1 and inferior valve 2 keeps the parallel and level, not only makes upper cover 1 and inferior valve 2 more pleasing to the eye after the lid closes, and more importantly has good waterproof dustproof effect behind first buckle 3 and the 5 blocks of first draw-in groove. The clamping state of the second buckle 4 and the second clamping groove 6 is mentioned in the foregoing, and the second buckle 4 and the second clamping groove 6 also enable the end surfaces of the upper cover 1 and the lower cover 2 to be kept flush after the clamping is completed.

In addition, referring to fig. 5 to 7, in the present embodiment, it is preferable to provide two first hooks 3, two second hooks 4, two first locking grooves 5, and two second locking grooves 6, respectively. Here, the first buckle 3, the second buckle 4, and the upper cover 1 are described, the first buckle 3 is disposed on one end surface, the second buckles 4 are disposed on different end surfaces, respectively, the first buckle 3 may be disposed on the same end surface, and when the number of the second buckles 4 is large, the first buckle 3 and the second buckles 4 may be disposed on other end surfaces except the end surface on which the first buckle 3 is disposed, so that the first buckle 3 and the second buckles 4 are disposed on different end surfaces of the upper cover 1 in a dispersed manner, respectively. Not only improved the stability of upper cover 1 with inferior valve 2 block, still made the block position of upper cover 1 and inferior valve 2 distribute more evenly.

Referring to fig. 5 to 7, it is mentioned that the first buckle 3 is disposed on one of the end surfaces of the upper cover 1, and the second buckle 4 is disposed at two corners far away from the end surfaces, in this embodiment, the first buckle 3 is disposed on the end surface of the upper cover 1 in the width direction, and the second buckle 4 is disposed on the end surface of the upper cover 1 in the length direction, so that the installation of the first buckle 3 and the second buckle 4 can be in a triangular shape, which is known to have stability, so that the engagement between the upper cover 1 and the lower cover 2 is more stable. In addition, the edge is closed to the lid of inferior valve 2 still is provided with waterproof stripe 9, combine first buckle 3, second buckle 4, first draw-in groove 5 and second draw-in groove 6 to see, the block of first buckle 3 and first draw-in groove 5, the block of second buckle 4 and second draw-in groove 6 is located waterproof stripe 9's the outside, that is to say on the connection of block structure, waterproof, dirt-proof basis, waterproof stripe 9 plays the effect of second protective screen, waterproof and dirt-proof effect and effect have further been improved.

Referring to fig. 5 and 6, the upper cover 1 is further provided with a plurality of insertion blocks 11, the lower shell 2 is correspondingly provided with a plurality of insertion grooves 12, when the connector is installed, the insertion blocks 11 need to be aligned and inserted into the insertion grooves 12, the insertion blocks 11 and the insertion grooves 12 play a role in assisting positioning of the snap connection, and also play a role in enhancing the stability of the snap connection. In addition, the back of the second buckle 4 is also provided with a reinforcing rib 13 to enhance the strength of the second buckle 4, so that the using effect of the second buckle 4 is better, and the service life of the second buckle 4 is prolonged.

The installation process comprises the following steps: aim at first buckle 3 first draw-in groove 5, aim at second buckle 4 second draw-in groove 6, will finish the back with first buckle 3 and 5 blocks of first draw-in groove earlier, use first buckle 3 and 5 blocks of first draw-in groove to obtain the limit as the benchmark pivot, aim at second buckle 4 second draw-in groove 6 again, press upper cover 1 and make 1 lid of upper cover close inferior valve 2, make the trip card of second buckle 4 in opening 61 department, accomplish the block of second buckle 4 and second draw-in groove 6, when the block, plug-in block 11 is aimed at and is inserted in plug-in groove 12.

The disassembling process comprises the following steps: dismantle second buckle 4 and second draw-in groove 6 earlier for the trip of second buckle 4 breaks away from opening 61, thereby makes second buckle 4 and second draw-in groove 6 break away from, uses first buckle 3 and then the block edge of first draw-in groove 5 as the benchmark, rotates upper cover 1, makes plug block 11 break away from with inserting groove 12, breaks away from first buckle 3 and first draw-in groove 5 at last, has just accomplished the dismantlement of upper cover 1 and inferior valve 2.

The utility model also provides a converter, refer to fig. 4 and fig. 7, the converter is installed at above-mentioned quick-witted incasement. The end face of the case is also provided with a wire passing hole 14, the wire passing hole 14 is used for wiring of the frequency converter, the wire passing hole 14 is also provided with a waterproof wire passing coil 10, and the frequency converter in the case is well protected against dust and water vapor in order to prevent external dust and water vapor from entering the case. The waterproof overwinding coil 10 in this embodiment is tapered.

Referring to fig. 1, 4, 6 and 7, four corners of the upper cover 1 and the lower cover 2 are respectively provided with a fillet groove 16 sunken towards the upper cover 1 or the base, the bottom of the lower cover 2 is provided with a backing plate 15 with a certain thickness, and the backing plate 15 is provided with a through hole 17 for a fastener to pass through. When the upper cover 1 and the lower cover 2 are completely closed, the fillet groove 16 extends from the top surface of the upper cover 1 to the top surface of the backing plate 15. After the frequency converter is installed in the case, the fastening piece can be installed along the fillet groove 16, and the case is fixed on a wall surface or other fixed objects after the fastening piece penetrates through the through hole 17, so that the appearance is smoother and more attractive when the case is fixedly installed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Case, including upper cover and inferior valve, the upper cover with the lid of inferior valve closes the department and is provided with waterproof stripe, its characterized in that, upper cover and inferior valve pass through buckle structure and install together, buckle structure includes: the clamping groove is arranged on the lower shell or the upper cover;

the buckles comprise a first buckle and a second buckle, and the first buckle and the second buckle are arranged on different end faces of the upper cover or the lower shell;

the clamping groove comprises a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are respectively buckled with the first buckle and the second buckle to enable the upper cover to be detachably covered on the lower shell.

2. The chassis of claim 1, wherein: the upper cover is provided with the first buckle and the second buckle, and the lower shell is provided with the first clamping groove and the second clamping groove.

3. A cabinet according to claim 2, wherein: an opening is formed in the lower shell, and after the second buckle is clamped with the second clamping groove, the second buckle is clamped on the opening.

4. A cabinet according to claim 3, wherein: the waterproof structure comprises an upper cover, a lower cover and a first enclosing plate, wherein the upper cover is internally provided with the first enclosing plate, the second buckle is arranged in a space enclosed by the inner side surfaces of the end surface of the upper cover and the first enclosing plate, the lower cover is internally provided with the second enclosing plate, the end surface of the second enclosing plate and the end surface of the lower cover form a cavity, the opening is communicated with the cavity, the cavity and the opening form a second clamping groove, the second buckle is clamped on the opening, the first enclosing plate is right opposite to the second enclosing plate, and the waterproof rubber strips are arranged on the first enclosing plate and the enclosing plate.

5. A cabinet according to claim 3, wherein: the second buckles are respectively arranged at two corners far away from the end face where the first buckle is located.

6. A cabinet according to claim 2, wherein: the first clamping groove faces the inner side of the lower shell and is sunken, and the first buckle is clamped behind the first clamping groove, the upper cover is flush with the side face of the lower shell.

7. A cabinet according to claim 2, wherein: the upper cover is also provided with an insertion block, and the lower shell is correspondingly provided with an insertion groove for the insertion of the insertion block.

8. A cabinet according to claim 2, wherein: one end face of the upper cover is provided with two first buckles, the upper cover is further provided with two second buckles, and the two second buckles are arranged on the other two different end faces of the upper cover respectively.

9. A cabinet according to claim 2, wherein: the first buckle is arranged on the end face of the upper cover in the width direction, and the second buckle is arranged on the end face of the upper cover in the length direction.

10. The frequency converter comprises a case and a frequency converter core arranged in the case, and is characterized in that: the case is as claimed in any one of claims 1 to 9, wherein a wire passing hole for the core of the frequency converter to run is formed in one side face of the case, and a waterproof wire passing coil is arranged on the wire passing hole.

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