CN215934198U

CN215934198U - Looped netowrk case convenient to overhaul

Info

Publication number: CN215934198U
Application number: CN202122342116.1U
Authority: CN
Inventors: 何权武; 何权鹏
Original assignee: Shenbang Electric Co ltd
Current assignee: Shenbang Electric Co ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-03-01
Anticipated expiration: 2031-09-25

Abstract

The application discloses looped netowrk case convenient to overhaul, it includes the box and rotates the chamber door of connection on the box, set up the installation cavity that is used for holding electronic component in the box, be provided with at least a set of chamber door pivoted locating part that is used for hindering after opening on the box, the locating part includes fixed connection at the base of box outer wall and follows the gag lever post of horizontal direction sliding connection on the base, the chamber door is provided with the fixed block on keeping away from the lateral wall of installation cavity, set up the fixed orifices that the tip that can supply the gag lever post slides and stretches into on the fixed block. The chamber door in this application can be locked by the locating part after opening, has the effect of convenient maintenance operation.

Description

Looped netowrk case convenient to overhaul

Technical Field

The application relates to the technical field of ring net cages, in particular to a ring net cage convenient to overhaul.

Background

The ring net cage is a group of electric elements for transmission and distribution, which are arranged in a metal or nonmetal insulating cabinet body or are made into electric equipment of an assembled interval ring net power supply unit, and has the advantages of simple structure, capability of improving power supply parameters and performance, power supply safety and the like.

In the related art, chinese patent No. CN209896514U discloses a one-time and two-time fused lantern ring net cage, which includes a box body, a box door rotatably connected to the front of the box body through a hinge, and a force application handle fixedly connected to the front of the box door.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the electronic component of maintenance assembly in the box, operating personnel need open the chamber door, however the chamber door receives the easy relative box rotation of exogenic action after opening, and especially when external wind-force is great, the chamber door receives the wind-force effect and rocks easily, leads to disturbing operating personnel and overhauls the operation, remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy problem that rotates and disturb the maintenance operation of atress when the chamber door is opened, this application provides a looped netowrk case convenient to overhaul.

The application provides a looped netowrk case convenient to overhaul includes following technical scheme:

the utility model provides a looped netowrk case convenient to overhaul, includes the box and rotates the chamber door of connection on the box, set up the installation cavity that is used for holding electronic component in the box, be provided with at least a set of chamber door pivoted locating part that is used for hindering after opening on the box, the locating part includes fixed connection at the base of box outer wall and follows the gag lever post of horizontal direction sliding connection on the base, the chamber door is provided with the fixed block on keeping away from the lateral wall of installation cavity, set up the fixed orifices that the tip that can supply the gag lever post slides and stretches into on the fixed block.

By adopting the technical scheme, when the electronic element arranged in the mounting cavity is overhauled, the box door is opened firstly, so that the fixing hole is rotated to be aligned with the limiting rod; the end part of the limiting rod is pushed into the fixing hole in a sliding mode, the limiting rod can be used for blocking the fixing block to rotate, and then the box door is locked, so that the box door is not prone to rotating when being subjected to external force. Due to the arrangement, the interference of the box door to the maintenance operation of operators can be reduced, and the maintenance operation is convenient; and the box door is not easy to impact the box body frequently, so that the wiring stability of the electronic element is reduced, and the stable operation of the electronic element is facilitated.

Optionally, one side of the limiting rod, which is far away from the box body, is provided with a positioning block in a sliding manner, the sliding direction of the positioning block is perpendicular to the sliding direction of the limiting rod, an elastic clamping block is arranged on the positioning block, and a first clamping groove matched with the clamping block in a clamping manner is formed in the side face, which is far away from the box body, of the base.

Through adopting above-mentioned technical scheme, after gag lever post and fixed orifices separation, operating personnel can block the fixture block card in first draw-in groove to increase the joint strength of locating piece and base, thereby improve the stability of gag lever post, in order to avoid gag lever post and base separation or the rotation of disturbing the chamber door.

Optionally, a second clamping groove in clamping fit with the clamping block is formed in the fixing block, and when the box door is opened to enable the limiting rod to be aligned with the fixing hole, the second clamping groove is located on the side face, far away from the base, of the fixing block.

Through adopting above-mentioned technical scheme, the chamber door is opened and the gag lever post stretches into the fixed orifices after, with the locating piece to the one side removal that is close to the second draw-in groove for during the fixture block card goes into the second draw-in groove, alright increase the joint strength of locating piece and fixed block, thereby stability when improving the gag lever post and stretching into the fixed orifices and to the spacing effect of chamber door.

Optionally, the positioning block comprises a dovetail portion, a connecting portion fixed on one side of the dovetail portion, which is far away from the box body, and a clamping portion fixed on the connecting portion, the clamping block is arranged on the clamping portion, a dovetail groove is formed in the side wall, which is far away from the box body, of the limiting rod, and the dovetail portion is arranged in the dovetail groove in a sliding mode.

By adopting the technical scheme, the dovetail groove plays a role in guiding when the positioning block slides relative to the limiting rod, so that the stability of the positioning block during movement is improved, and the positioning block is not easy to be completely separated from the limiting rod, so that the positioning block is not easy to lose.

Optionally, one side of the dovetail is provided with an elastic first stop block, a first stop groove in interference fit with the first stop block is formed in the groove wall of the dovetail groove, and when the first stop block is embedded in the first stop groove, the maximum distance between the clamping part and the central axis of the limiting rod is larger than the radius of the limiting rod.

Through adopting above-mentioned technical scheme, first stop block and first locking groove interference fit can effectively strengthen the stability of card solid portion when being in the tip and surpassing gag lever post circumference lateral wall, have improved the location effect of locating piece to the gag lever post.

Optionally, an elastic second stop block is fixed on one side of the dovetail away from the first stop block, a second stop groove is formed in a groove wall of the dovetail groove away from the first stop groove, and the second stop groove is in interference fit with the second stop block; when the second stop block is embedded into the second stop groove, the maximum distance between the clamping part and the central axis of the limiting rod is not greater than the radius of the limiting rod.

Through adopting above-mentioned technical scheme, second locking piece and second locking groove interference fit can effectively strengthen the stability of card solid portion when being in the tip and not surpassing gag lever post circumference lateral wall for the locating piece is difficult for disturbing in the gag lever post immigration fixed orifices.

Optionally, the base includes a base plate fixedly arranged on the box body and a connecting rod in threaded connection with the base plate, a horizontally extending chute is formed in the side face, far away from the base plate, of the connecting rod, and the limiting rod is arranged in the chute in a sliding manner.

Through adopting above-mentioned technical scheme, can process structures such as spout on the connecting rod earlier during production, again with connecting rod threaded connection on the base plate to realize the relative fixed of connecting rod and box, compare in directly processing the spout on the box and have the effect of operating more portably. In addition, after the ring main unit is damaged and scrapped, an operator can also unscrew the connecting rod from the base plate to recover the limiting part, so that the ring main unit is energy-saving and environment-friendly.

Optionally, a pushing hole communicated with the sliding groove is formed in the circumferential side wall of the connecting rod, a push rod penetrates through the pushing hole in a sliding mode, and a guide inclined surface inclined towards the pushing hole is arranged at one end, close to the base plate, of the limiting rod.

Through adopting above-mentioned technical scheme, when fixture block and first draw-in groove joint, during the gag lever post income spout, operating personnel can remove the push rod to one side that is close to the spout along advancing the hole for push rod and direction inclined plane contact and promote the gag lever post to the one side of keeping away from the base plate, stretch out spout, fixture block and the separation of first draw-in groove until the tip of gag lever post. Above-mentioned operation is compared in the mode that directly pulls out the spout with the gag lever post by hand, and the operation is convenient and fast more.

Optionally, a moving block is arranged on one side, away from the sliding groove, of the push rod, an elastic locking block is arranged on the end face, close to the connecting rod, of the moving block, a locking groove in interference fit with the locking block is formed in the side wall of the connecting rod, and when the locking block is embedded into the locking groove, the push rod abuts against one end, away from the pushing hole, of the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, locking piece and locking groove interference fit can lock the push rod in the state that tip and spout lateral wall offset, have improved the stability of push rod. In addition, when the gag lever post stretched into the fixed orifices, the push rod butt was kept away from one side of fixed block at the gag lever post, can also play the effect that hinders the gag lever post to keeping away from one side removal of fixed block, has improved the spacing effect of gag lever post to the chamber door.

Optionally, a yielding groove is formed in the side wall of the connecting rod, and a return spring for driving the push rod to move out of the sliding groove is arranged between the bottom wall of the yielding groove and the moving block.

By adopting the technical scheme, the reset spring plays a role in connecting the moving block and the connecting rod on one hand, so that the moving block and the push rod are not easy to lose; on the other hand, after the locking block is separated from the locking groove, the elastic force of the reset spring can drive the push rod to automatically move out of the sliding groove, so that the push rod is prevented from interfering the horizontal movement of the limiting rod.

In summary, the present application includes at least one of the following beneficial technical effects:

when the box door is opened to overhaul the electronic element, the limiting rod is slid into the fixing hole to block the box door from rotating so as to prevent the box door from rotating to interfere with overhaul operation;

when the clamping block is clamped with the first clamping groove, the positioning block is connected to the base and used for improving the connection strength of the limiting rod and the base; when the clamping block is clamped with the second clamping groove, the positioning block is connected to the fixing block and used for improving the connection strength of the limiting rod and the fixing block, and further improving the locking effect of the box door on the limiting rod;

when the limiting rod retracts into the sliding groove, the push rod moves to one side close to the limiting rod, so that the end part of the limiting rod can be pushed out of the sliding groove, and the operation is convenient; the locking piece and the locking groove are in interference fit, and the effect of enhancing the stability of the moving block and the push rod is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of another view angle in the embodiment of the present application.

Fig. 3 is a schematic partial cross-sectional view of an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

Description of reference numerals:

1. a box body; 11. a mounting cavity; 2. a box door; 21. a fixed block; 211. a fixing hole; 212. a second card slot; 3. a limiting member; 31. a base; 311. a substrate; 312. a connecting rod; 313. a chute; 314. a pushing hole; 315. a push rod; 316. a moving block; 317. a locking block; 318. a locking groove; 319. a yielding groove; 32. a limiting rod; 321. a guide slope; 322. a dovetail groove; 323. a first stopper groove; 324. a second detent groove; 33. a first card slot; 4. a return spring; 5. positioning blocks; 51. a swallowtail; 511. a first stopper; 512. a second stopper; 52. a connecting portion; 53. a clamping part; 531. and (7) clamping blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses looped netowrk case convenient to overhaul. Referring to fig. 1 and 2, the ring main unit convenient to overhaul includes a main body 1 and two door leaves 2 rotatably connected to the same side of the main body 1, specifically, the door leaves 2 are hinged to the main body 1 by hinges or hinges, and all the way of relative rotation between the door leaves and the main body can be realized. A mounting cavity 11 for accommodating electronic components is formed in the box body 1, and an opening is formed in one side of the mounting cavity 11 close to the box door 2, and the electronic components can move into the mounting cavity 11 through the opening. The side walls of the box body 1, which are hinged to the box door 2, are respectively provided with a set of limiting parts 3 for blocking the box door 2 after being opened from rotating, and in other embodiments, the limiting parts 3 may be set into two sets, three sets or other numbers.

Referring to fig. 3 and 4, each set of limiting members 3 includes a base 31 and a limiting rod 32 slidably connected to the base 31, the base 31 includes a base plate 311 fixedly disposed on a side wall of the box 1 and a connecting rod 312 threadedly connected to the base plate 311, the base plate 311 is fixed to the box 1 by welding, the connecting rod 312 is cylindrical and has a circumferential side wall provided with an external thread at one end thereof close to the base plate 311, a screw hole mutually matched with the external thread is correspondingly formed in a side wall of the base plate 311 away from the box 1, so as to realize threaded connection between the base plate 311 and the connecting rod 312.

Referring to fig. 3 and 4, the end surface of the connecting rod 312 away from the base plate 311 is opened with a horizontally extending slide groove 313, the stopper rod 32 is provided in a cylindrical shape and slidably in the slide groove 313, and in other embodiments, the stopper rod 32 may be provided in a polygonal column shape. A pushing hole 314 communicated with the sliding groove 313 is formed in the circumferential side wall of the connecting rod 312, a push rod 315 penetrates through the pushing hole 314 in a sliding mode, a moving block 316 is fixed to one side, away from the sliding groove 313, of the push rod 315, the cross sections of the moving block 316 and the push rod 315 are circular, and the diameter of the moving block 316 is larger than the inner diameter of the pushing hole 314.

Referring to fig. 3 and 4, a guide inclined surface 321 is disposed at one end of the limiting rod 32 close to the base plate 311, the guide inclined surface 321 is inclined toward the pushing hole 314, and when the push rod 315 moves toward a side close to the sliding slot 313 along the pushing hole 314, the push rod 315 contacts with the guide inclined surface 321 and pushes the limiting rod 32 out of the sliding slot 313. In order to improve the stability of the push rod 315 when extending into the sliding slot 313, a locking block 317 is fixedly disposed on one side of the moving block 316 close to the connecting rod 312, and the locking block 317 is made of an elastic material capable of elastically deforming under the action of an external force, such as TPR, PE, and the like. One end of the circumferential side wall of the connecting rod 312, which is close to the moving block 316, is provided with a locking groove 318, and the locking groove 318 is in interference fit with the locking block 317. When the end of the locking block 317 is inserted into the locking groove 318, the push rod 315 abuts against the end of the side wall of the slide groove 313 away from the pushing hole 314, and functions to block the stopper rod 32 from moving toward the base plate 311.

Referring to fig. 3 and 4, the circumferential side wall of the connecting rod 312 is further provided with a relief groove 319 on a side close to the moving block 316, the relief groove 319 is located on a side of the pushing hole 314 away from the locking groove 318, a return spring 4 is fixed on a side of the moving block 316 close to the connecting rod 312, and one end of the return spring 4 away from the moving block 316 is fixed on a bottom wall of the relief groove 319. When the return spring 4 is in a natural state of being unstretched or compressed, the push rod 315 is separated from the slide groove 313 and does not interfere with the horizontal movement of the stopper rod 32.

Referring to fig. 3 and 4, a fixing block 21 is disposed on a side wall of the door 2 far from the installation cavity 11, the fixing block 21 can be fixed on the door 2 by welding, a fixing hole 211 is formed in the fixing block 21, and an inner diameter of the fixing hole 211 is slightly larger than a diameter of the limiting rod 32. The chamber door 2 in this embodiment can overturn 180 ° relative to the chamber body 1, and when the chamber door 2 was opened to the butt with the chamber body 1, the fixed orifices 211 aligns with the gag lever post 32 and can supply the gag lever post 32 to slide and stretch into to block chamber door 2 and rotate, so as to avoid chamber door 2 to disturb the electronic component in the operating personnel maintenance installation cavity 11.

Referring to fig. 3 and 4, a positioning block 5 is slidably disposed on one side of the limiting rod 32 away from the box body 1, and the positioning block 5 includes a dovetail portion 51, a connecting portion 52 fixedly disposed on one side of the dovetail portion 51 away from the box body 1, and a fastening portion 53 fixedly disposed on the connecting portion 52. A dovetail groove 322 is formed in the side wall of the limiting rod 32 away from the box body 1, the dovetail groove 322 extends along the radial direction of the limiting rod 32, and the dovetail part 51 is arranged in the dovetail groove 322 in a sliding mode.

Referring to fig. 3 and 4, a first stop block 511 is fixedly arranged on one side of the dovetail 51, the material of the first stop block 511 is the same as that of the locking block 317, and a first stop groove 323 which is in interference fit with the first stop block 511 is formed on the groove wall of the dovetail groove 322. When the first stopper 511 is inserted into the first stopper groove 323, the maximum distance between the locking portion 53 and the central axis of the stopper rod 32 is greater than the radius of the stopper rod 32. After the limiting rod 32 extends into the fixing hole 211, an operator can move the positioning block 5 to enable the first stop block 511 to be embedded into the first stop groove 323, so as to clamp the positioning block 5 in a state that the end portion of the positioning block exceeds the circumferential side wall of the limiting rod 32, and at this time, the positioning block 5 abuts against one side of the fixing block 21 far away from the base 31, so that the limiting rod 32 is prevented from moving towards the base 31.

Referring to fig. 3 and 4, an elastic second stop block 512 is fixedly disposed on a side of the dovetail 51 away from the first stop block 511, the second stop block 512 and the first stop block 511 are made of the same material, a second stop groove 324 is disposed on a groove wall of the dovetail groove 322 away from the first stop groove 323, and the second stop groove 324 is in interference fit with the second stop block 512. When the second stop block 512 is inserted into the second stop groove 324, the maximum distance between the fastening portion 53 and the central axis of the limiting rod 32 is smaller than the radius of the limiting rod 32, and the positioning block 5 does not affect the movement of the limiting rod 32 into or out of the fixing hole 211.

Referring to fig. 3 and 4, a latch 531 is fixedly disposed on an end surface of the fastening portion 53 close to the link 312, the latch 531 is made of rubber and has elasticity, and a first slot 33 engaged with the latch 531 is disposed on a side surface of the link 312 away from the base plate 311. After the limiting rod 32 is separated from the fixing hole 211, the limiting rod 32 is firstly pushed to one side close to the substrate 311, and then the positioning block 5 is moved to make the first stop block 511 embedded into the first stop groove 323 and the stop block 531 embedded into the first engaging groove 33, so that the connection strength between the limiting rod 32 and the connecting rod 312 can be increased, and the limiting rod 32 is not easy to be separated from the sliding groove 313.

Referring to fig. 3 and 4, the fixing block 21 is provided with a second engaging groove 212 engaged with the engaging block 531, and when the door 2 is opened to align the limiting rod 32 with the fixing hole 211, the second engaging groove 212 is located on one side of the transition block away from the substrate 311, and the engaging block 531 can be engaged with the second engaging groove to increase the connection strength between the limiting rod 32 and the fixing block 21, so that the limiting rod 32 is not easily separated from the fixing block 21.

The implementation principle of the ring main unit convenient to overhaul in the embodiment of the application is as follows: when the door 2 is closed, the limiting rod 32 is located in the sliding groove 313, and the engaging block 531 is engaged in the first engaging groove 33. When the electronic components in the installation cavity 11 are overhauled, the box door 2 is opened until the limit rod 32 is aligned with the fixing hole 211, the positioning block 5 is moved to enable the second stop block 512 to be embedded into the second stop groove 324, then the moving block 316 is pressed towards one side close to the connecting rod 312, the end portion of the limit rod 32 is pushed to the fixing hole 211 by the push rod 315, and finally the positioning block 5 is moved to enable the first stop block 511 to be embedded into the first stop groove 323 and the fixture block 531 to be clamped into the second clamping groove 212. The limiting rod 32 can stop the fixing block 21 and the box door 2 from rotating at the moment, so that the box door 2 is not easy to interfere with an operator to carry out maintenance operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a looped netowrk case convenient to overhaul, includes box (1) and rotates chamber door (2) of connection on box (1), set up installation cavity (11) that are used for holding electronic component in box (1), its characterized in that: be provided with at least a set of chamber door (2) pivoted locating part (3) that are used for hindering after opening on box (1), locating part (3) are including fixed connection base (31) of box (1) outer wall and along gag lever post (32) of horizontal direction sliding connection on base (31), be provided with fixed block (21) on the lateral wall of installation cavity (11) is kept away from in chamber door (2), set up fixed orifices (211) that the tip that can supply gag lever post (32) slides and stretch into on fixed block (21).

2. The easy-to-overhaul ring main unit according to claim 1, wherein: one side that box (1) was kept away from in gag lever post (32) slides and is provided with locating piece (5), the slip direction perpendicular to gag lever post (32) of slip direction of locating piece (5), be provided with elastic fixture block (531) on locating piece (5), base (31) are kept away from the side of box (1) and are offered first draw-in groove (33) with fixture block (531) joint complex.

3. An easy-to-overhaul ring main unit according to claim 2, wherein: set up on fixed block (21) with fixture block (531) joint complex second draw-in groove (212), work as chamber door (2) are opened and are made gag lever post (32) and fixed orifices (211) when aliging, second draw-in groove (212) are located fixed block (21) and keep away from the side of base (31).

4. An easy-to-overhaul ring main unit according to claim 2, wherein: the positioning block (5) comprises a dovetail part (51), a connecting part (52) fixed on one side, away from the box body (1), of the dovetail part (51) and a clamping part (53) fixed on the connecting part (52), the clamping block (531) is arranged on the clamping part (53), a dovetail groove (322) is formed in the side wall, away from the box body (1), of the limiting rod (32), and the dovetail part (51) is arranged in the dovetail groove (322) in a sliding mode.

5. A ring main unit convenient to overhaul according to claim 4, wherein: one side of the dovetail part (51) is provided with an elastic first stop block (511), a first stop groove (323) in interference fit with the first stop block (511) is formed in the groove wall of the dovetail groove (322), and when the first stop block (511) is embedded into the first stop groove (323), the maximum distance between the clamping part (53) and the central axis of the limiting rod (32) is larger than the radius of the limiting rod (32).

6. A ring main unit convenient to overhaul according to claim 5, wherein: an elastic second stop block (512) is fixed on one side, away from the first stop block (511), of the dovetail groove (51), a second stop groove (324) is formed in the groove wall, away from the first stop groove (323), of the dovetail groove (322), and the second stop groove (324) is in interference fit with the second stop block (512); when the second stop block (512) is embedded into the second stop groove (324), the maximum distance between the clamping part (53) and the central axis of the limiting rod (32) is not greater than the radius of the limiting rod (32).

7. The easy-to-overhaul ring main unit according to claim 1, wherein: the base (31) comprises a base plate (311) fixedly arranged on the box body (1) and a connecting rod (312) in threaded connection with the base plate (311), a horizontally extending sliding groove (313) is formed in the side face, far away from the base plate (311), of the connecting rod (312), and the limiting rod (32) is arranged in the sliding groove (313) in a sliding mode.

8. A ring main unit convenient to overhaul according to claim 7, wherein: a pushing hole (314) communicated with the sliding groove (313) is formed in the circumferential side wall of the connecting rod (312), a push rod (315) penetrates through the pushing hole (314) in a sliding mode, and a guide inclined surface (321) inclined towards the pushing hole (314) is arranged at one end, close to the base plate (311), of the limiting rod (32).

9. An easy-to-overhaul ring main unit according to claim 8, wherein: a moving block (316) is arranged on one side, away from the sliding groove (313), of the push rod (315), an elastic locking block (317) is arranged on the end face, close to the connecting rod (312), of the moving block (316), a locking groove (318) in interference fit with the locking block (317) is formed in the side wall of the connecting rod (312), and when the locking block (317) is embedded into the locking groove (318), the push rod (315) abuts against one end, away from the pushing hole (314), of the side wall of the sliding groove (313).

10. An easy-to-overhaul ring main unit according to claim 8, wherein: an abdicating groove (319) is formed in the side wall of the connecting rod (312), and a return spring (4) used for driving the push rod (315) to move out of the sliding groove (313) is arranged between the bottom wall of the abdicating groove (319) and the moving block (316).