CN210598545U

CN210598545U - Mechanical door lock device of low-voltage switch cabinet

Info

Publication number: CN210598545U
Application number: CN201921279986.5U
Authority: CN
Inventors: 宋巍巍; 吴国听; 崔选民
Original assignee: Henan Shizhan Electric Power Technology Co ltd
Current assignee: Henan Shizhan Electric Power Technology Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-22
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a low-voltage switchgear's mechanical type locks, which comprises a cabinet door, the right side of cabinet door closely laminates there is the cabinet body, the inside through connection of upside of supporting the base has the connecting block, the rear side swing joint of rocker has the limiting plate, the nested connecting plate that has in the rear end outside of connecting rod, the outside draw-in groove of limiting block is connected with spacing frame down, and the inside swing joint in top of spacing frame has the supporting shoe, the rear side integration of supporting shoe is fixed with spacing block down, the rear side left end installation of bolt is fixed with back limiting block, and the outside of back limiting block is provided with the back carriage, the front end outside of limiting block is provided with preceding carriage on. This low-voltage switchgear's mechanical type locks can effectively support the door body, prevents to open because of factors such as animals are unexpected, can avoid the lock to damage, long service life, and is easy and simple to handle, effective theftproof, and the security is high.

Description

Mechanical door lock device of low-voltage switch cabinet

Technical Field

The utility model relates to a low-voltage switchgear technical field specifically is a low-voltage switchgear's mechanical type locks.

Background

The low-voltage switch cabinet is a power transmission and distribution device widely applied to occasions such as a power plant and the like, the switch cabinet is generally closed by using a mechanical door lock to prevent the low-voltage switch cabinet arranged outside from being opened accidentally and ensure safety, the mechanical door lock is a latch structure consisting of all mechanical structures and can prevent a cabinet door from being opened, and the mechanical door locks of the low-voltage switch cabinet in the market are various but have some defects;

the mechanical door lock device of the low-voltage switch cabinet, which is used at present, is short in service life, easy to steal and the like, and not high enough in safety because the door lock and the key are easy to wear and bend, so that the mechanical door lock device of the low-voltage switch cabinet is provided, and the problems provided in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-voltage switchgear's mechanical type locks to solve the current low-voltage switchgear's that proposes among the above-mentioned background art mechanical type locks and the key condition such as wearing and tearing buckle appear easily, life is shorter, case such as easy emergence theft, the not high enough problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical door lock device of a low-voltage switch cabinet comprises a cabinet door, wherein a cabinet body is tightly attached to the right side of the cabinet door, a supporting base is welded to the front side of the cabinet door, a connecting block is connected to the inside of the upper side of the supporting base in a penetrating manner, a connecting rod is integrally arranged on the rear side of the connecting block, a rocker is tightly attached to the outside of the connecting block in a penetrating manner, a limiting plate is movably connected to the rear side of the rocker, a spring is welded to the rear side of the limiting plate, a connecting plate is nested to the outside of the rear end of the connecting rod, a lower limiting block is connected to the right side of the connecting plate in a penetrating manner, a limiting frame is connected to an outside clamping groove of the lower limiting block, a supporting block is movably connected to the inside of the upper side of the limiting frame, an upper limiting block is integrally fixed to, the installation of the rear side left end of bolt is fixed with back spacing piece, and the outside of back spacing piece is provided with the back connection frame, the front end outside of last spacing piece is provided with preceding connection frame.

Preferably, the rocker and the connecting block are connected in a clamping groove connection mode, the outer side of the connecting block is of a saw-toothed structure, and the connecting block forms a rotating structure in the supporting base through the connecting rod.

Preferably, the limiting plate forms a sliding structure in the supporting base, and the longitudinal section of the inner side of the limiting plate is obliquely arranged.

Preferably, the connecting plate, the limiting frame, the upper limiting block and the plug pin form a transmission structure, and the plug pin forms a dismounting structure on the supporting plate.

Preferably, the supporting block forms a sliding structure in the limiting frame, and the limiting frame forms a rotating structure on the supporting base.

Preferably, the middle part of the rear connecting frame is of a V-shaped structure, the rear connecting frame is connected with the rear limiting block in a clamping groove connection mode, and the length of the cross section of the inner side of the rear connecting frame is equal to that of the cross section of the inner side of the front connecting frame.

Compared with the prior art, the beneficial effects of the utility model are that: the mechanical door lock device of the low-voltage switch cabinet can effectively support a door body, prevent accidental opening due to factors such as animals and the like, avoid damage to the door lock, and has the advantages of long service life, simple and convenient operation, effective theft prevention and high safety;

1. the door body can be effectively supported, and accidental opening caused by factors such as animals and the like can be prevented;

2. the door lock is provided with the rocker, the connecting block and the connecting rod, the rocker, the connecting block and the connecting rod are connected with the clamping groove of the connecting block through the limiting plate, the limiting plate is fixed under the elastic action of the spring, the supporting base and the connecting rod are prevented from rotating, the door lock can be prevented from being damaged, the service life is long, and the anti-theft effect is realized;

3. the connecting plate, the limiting frame and the supporting block are arranged, the connecting plate drives the limiting frame to rotate through a transmission structure formed by the connecting plate, the limiting frame, the upper limiting block and the bolt, the bolt installed on the rear side of the upper limiting block slides, the operation is simple and convenient, and the safety is high.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the top view cross-sectional structure of the upper limit block and the plug pin of the present invention;

FIG. 3 is a schematic view of the connection overlooking section structure of the limiting frame and the lower limiting block of the present invention;

FIG. 4 is a schematic view of the connection between the rear limiting block and the rear connecting frame;

FIG. 5 is a schematic view of the connection structure of the rocker and the connecting block of the present invention;

fig. 6 is a schematic view of the side-looking section structure of the rocker and the supporting base of the present invention.

In the figure: 1. a cabinet door; 2. a cabinet body; 3. a support base; 4. a rocker; 5. connecting blocks; 6. a connecting rod; 7. a limiting plate; 8. a spring; 9. a connecting plate; 10. a lower limiting block; 11. a limiting frame; 12. a support block; 13. an upper limit block; 14. a bolt; 15. a rear limiting block; 16. a front connection frame; 17. a rear connection frame; 18. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a mechanical door lock device of a low-voltage switch cabinet comprises a cabinet door 1, a cabinet body 2, a supporting base 3, a rocker 4, a connecting block 5, a connecting rod 6, a limiting plate 7, a spring 8, a connecting plate 9, a lower limiting block 10, a limiting frame 11, a supporting block 12, an upper limiting block 13, a bolt 14, a rear limiting block 15, a front connecting frame 16, a rear connecting frame 17 and a supporting plate 18, wherein the cabinet body 2 is tightly attached to the right side of the cabinet door 1, the supporting base 3 is welded to the front side of the cabinet door 1, the connecting block 5 is connected to the inside of the upper side of the supporting base 3 in a penetrating manner, the connecting rod 6 is integrally arranged on the rear side of the connecting block 5, the rocker 4 is tightly attached to the outside of the connecting block 5, the limiting plate 7 is movably connected to the rear side of the rocker 4, the spring 8 is welded to the rear side of the limiting plate 7, the connecting plate 9, the outside draw-in groove of spacing block 10 is connected with spacing frame 11 down, and the inside swing joint in top of spacing frame 11 has supporting shoe 12, the rear side integration of supporting shoe 12 is fixed with spacing block 13 on, and the rear end outside of spacing block 13 closely laminates with bolt 14 on, and the right-hand member outside draw-in groove of bolt 14 is connected with backup pad 18, the rear side left end installation of bolt 14 is fixed with back spacing block 15, and the outside of back spacing block 15 is provided with back carriage 17, the front end outside of spacing block 13 is provided with preceding carriage 16 on.

As shown in fig. 1, 2 and 3, the connecting plate 9, the limiting frame 11, the upper limiting block 13 and the bolt 14 form a transmission structure, and the bolt 14 forms a dismounting structure on the supporting plate 18, the operation is simple and convenient, the stability is strong, as shown in fig. 1, the supporting block 12 forms a sliding structure in the limiting frame 11, and the limiting frame 11 forms a rotating structure on the supporting base 3, the limiting frame 11 can limit the supporting block 12;

if the middle part of back connection frame 17 is "V" font structure in fig. 2 and fig. 4, and back connection frame 17 and back spacing piece 15 adopt the mode of draw-in groove connection to be connected, and the inboard cross section length of back connection frame 17 equals the inboard cross section length of preceding connection frame 16, and stability is strong, can guarantee the orbit of back spacing piece 15, if the mode that rocker 4 and connecting block 5 adopt the draw-in groove to connect in fig. 5 and fig. 6 is connected, and the outside of connecting block 5 is the serration structure, and connecting block 5 constitutes revolution mechanic in supporting base 3 through connecting rod 6, it is effective spacing, prevent the slippage, convenient location, limiting plate 7 constitutes sliding construction in supporting base 3 as in fig. 6, and the inboard longitudinal section of limiting plate 7 is the slope setting, can fix rocker 4, and the security is high.

The working principle is as follows: when the mechanical door lock device of the low-voltage switch cabinet is used, firstly, as shown in an attached drawing 6, a rocker 4 is inserted into a supporting base 3, a limiting plate 7 retreats due to the elastic action of a spring 8 arranged on the rear side and is separated from the clamping groove connection with a connecting block 5, the rocker 4 is tightly attached to the connecting block 5 with the outer side in a zigzag structure, the rocker 4 is rotated and drives the connecting block 5 to rotate, as shown in an attached drawing 1 and an attached drawing 3, a connecting rod 6 arranged on the rear side of the connecting block 5 drives the connecting plate 9 to rotate, a lower limiting block 10 fixed on the rear side of the connecting plate 9 slides in a limiting frame 11 and drives the limiting frame 11 to rotate on the supporting base 3, a supporting block 12 connected with the clamping groove on the inner side of the limiting frame 11 slides above the limiting frame 11 and drives an upper limiting block 13 arranged on the rear side to slide in a front connecting frame 16;

the supporting base 3 is rotated continuously, as shown in fig. 4, the rear limiting block 15 slides in the rear connecting frame 17 with the middle part in a V-shaped structure, and drives the bolt 14 to be separated from the slot connection with the supporting plate 18, so as to facilitate the opening of the cabinet door 1, thereby completing a series of operations of the mechanical door locking device of the low-voltage switch cabinet.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mechanical type door locking device of low-voltage switchgear, includes cabinet door (1), its characterized in that: the cabinet is characterized in that the cabinet body (2) is tightly attached to the right side of the cabinet door (1), the supporting base (3) is welded to the front side of the cabinet door (1), a connecting block (5) is connected to the inner portion of the upper side of the supporting base (3) in a penetrating manner, a connecting rod (6) is integrally arranged on the rear side of the connecting block (5), a rocker (4) is tightly attached to the outer side of the connecting block (5), a limiting plate (7) is movably connected to the rear side of the rocker (4), a spring (8) is welded to the rear side of the limiting plate (7), a connecting plate (9) is nested on the outer side of the rear end of the connecting rod (6), a lower limiting block (10) is connected to the right side of the connecting plate (9) in a penetrating manner, a limiting frame (11) is connected to an outer side clamping groove of the lower limiting block (10), a supporting block (12) is movably connected to, and go up the rear end outside of spacing piece (13) and closely laminate and have bolt (14) to the right-hand member outside draw-in groove of bolt (14) is connected with backup pad (18), the rear side left end installation of bolt (14) is fixed with back spacing piece (15), and the outside of back spacing piece (15) is provided with back carriage (17), the front end outside of spacing piece (13) is provided with preceding carriage (16) on.

2. The mechanical door lock device of the low-voltage switch cabinet as claimed in claim 1, characterized in that: rocker (4) and connecting block (5) adopt the mode of draw-in groove connection to be connected, and the outside of connecting block (5) is serration structure to connecting block (5) constitute rotating-structure through connecting rod (6) in supporting base (3).

3. The mechanical door lock device of the low-voltage switch cabinet as claimed in claim 1, characterized in that: the limiting plate (7) forms a sliding structure in the supporting base (3), and the longitudinal section of the inner side of the limiting plate (7) is obliquely arranged.

4. The mechanical door lock device of the low-voltage switch cabinet as claimed in claim 1, characterized in that: the connecting plate (9), the limiting frame (11), the upper limiting block (13) and the bolt (14) form a transmission structure, and the bolt (14) forms a dismounting structure on the supporting plate (18).

5. The mechanical door lock device of the low-voltage switch cabinet as claimed in claim 1, characterized in that: the supporting block (12) forms a sliding structure in the limiting frame (11), and the limiting frame (11) forms a rotating structure on the supporting base (3).

6. The mechanical door lock device of the low-voltage switch cabinet as claimed in claim 1, characterized in that: the middle part of back connecting frame (17) is "V" font structure, and back connecting frame (17) and back spacing block (15) adopt the mode of draw-in groove connection to be connected, and the inboard cross section length of back connecting frame (17) equals preceding connecting frame (16) inboard cross section length.