CN209990276U - Flip type electric screen cabinet door lock - Google Patents
Flip type electric screen cabinet door lock Download PDFInfo
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- CN209990276U CN209990276U CN201920068032.3U CN201920068032U CN209990276U CN 209990276 U CN209990276 U CN 209990276U CN 201920068032 U CN201920068032 U CN 201920068032U CN 209990276 U CN209990276 U CN 209990276U
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Abstract
The utility model relates to an electrical screen cabinet technical field, concretely relates to flip formula electrical screen cabinet lock, including two auto-lock connecting rods, lock box and base, the lock box is adorned in the base and is the setting of side fretwork, two auto-lock connecting rod symmetries are adorned in the both ends of lock box, be equipped with the locking closure that is used for sealing the lock box on the base, the locking closure is including the apron, lock core and locking strip, the one end of apron is articulated with the base, be equipped with the spring bolt that the tip cross-section is semicircular in the lock core, the locking strip is adorned in the apron inboard and can be followed the length direction slip of apron, the locking strip is including linking the arm and locating the actuating arm and the sliding arm that links up the arm both ends perpendicularly, be equipped with on the sliding arm with spring bolt complex transmission square hole, be equipped with the latch hook on the sliding arm, be. The lock cylinder of the electric screen cabinet door lock only drives the lock bar to control the opening and closing of the lock cover, so that the electric screen cabinet door lock is simpler in structure compared with the traditional connecting rod lock scheme, and is lower in cost and easier to implement.
Description
Technical Field
The utility model relates to an electrical screen cabinet technical field, concretely relates to flip formula electrical screen cabinet lock.
Background
Along with the great investment in the aspect of national basic implementation, the field of the electric screen cabinet is developed at a high speed, and the electric screen cabinet has more and more requirements such as a control cabinet, a switch cabinet and a power distribution cabinet. The electric screen cabinet is a cabinet for protecting components from normal operation, has wide application, and is mainly applied to the chemical industry, the environmental protection industry, the electric power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like.
The existing electric screen cabinet door lock generally adopts a connecting rod lock scheme, and directly or indirectly controls the movement of a top and bottom connecting rod (two connecting rods which are arranged on a cabinet door in a set and are respectively used for locking the upper end and the lower end of the cabinet door, so the connecting rod lock is generally called as a top and bottom connecting rod) through a set of mechanisms driven by a lock cylinder. According to the patent with the application number of CN201721412573.0, the connecting rod can be inserted into the cabinet door and the jack on the cabinet body by oneself to lock the cabinet door under the action of the pressure spring, the lock cylinder is screwed to drive the pull buckle limiting mechanism to give up the activity space of the pull buckle arranged at the end part of the connecting rod, the pull buckle is stirred again to unlock the cabinet door, and the pull buckle is operated by hands to actually unlock the cabinet door. In this mode, a set of limiting mechanism matched with the top and bottom connecting rods needs to be arranged, however, the operating end of the top and bottom connecting rods is usually positioned in the lock body, and if the front face of the lock is arranged in a cover plate type capable of being opened and closed and locked, the operating space of the top and bottom connecting rods can be effectively sealed off, so that the manual operation of the top and bottom connecting rods is limited, and the limiting mechanism matched with the top and bottom connecting rods is not arranged in the lock body.
Disclosure of Invention
The utility model aims at providing a flip formula electrical screen cabinet lock, this lock realizes the locking to electrical screen cabinet door through the operating space who seals world connecting rod.
In order to achieve the above object, the utility model provides a flip formula electrical screen cabinet lock, including two auto-lock connecting rods, lock box and base. The lock box is arranged in the base and is arranged in a side surface hollow mode, the two self-locking connecting rods are symmetrically arranged at two ends of the lock box, and the lock box is characterized in that a lock cover used for sealing the lock box is arranged on the base and comprises a cover plate, a lock core and a lock bar, one end of the cover plate is hinged to the base, the top surface of the cover plate is sunken in the middle to form an accommodating cover matched with the lock core, the lock core is located in the accommodating cover, a lock tongue is arranged in the lock core, the end portion of the lock tongue penetrates out of the accommodating cover, the cross section of the penetrating end of the lock tongue is semicircular, and the lock.
The locking bar comprises a linking arm, and a driving arm and a sliding arm which are vertically arranged at two ends of the linking arm, the driving arm and the sliding arm are arranged in parallel, the driving arm is attached to the end face of the containing cover, a transmission square hole matched with the lock tongue is arranged on the driving arm, a lock hook is arranged on the sliding arm, a clamping plate matched with the lock hook is arranged on the base, and the locking cover further comprises a reset piece arranged between the locking bar and the cover plate.
According to the scheme, the cabinet door can be automatically locked by the self-locking connecting rod when no external force is involved, the inner cavity of the lock box is the operation space of the self-locking connecting rod, the lock cover is arranged on the base in a hinged mode, only the effect of sealing the lock box and blocking the operation space of the self-locking connecting rod is achieved, the operation space is not related to the movement of the self-locking connecting rod, and therefore a mechanism which is driven by the lock cylinder and used for controlling the movement of the self-locking connecting rod is not needed. Therefore, the scheme is different from the traditional link lock scheme, the lock cylinder only drives the lock bar to control the opening and closing of the lock cover, and compared with the traditional link lock scheme, the structure is simpler, the cost is lower, and the implementation is easier.
Because the shape of the transmission square hole and the cross section of the penetrating end of the spring bolt are different, the spring bolt can be rotated by a key to drive the Z-shaped locking bar to integrally translate, and therefore the clamping between the locking hook on the sliding arm and the clamping plate on the base is removed. The key gyration is extracted the back locking strip and is reseed under the effect that resets, and the latch hook can be in the joint with the cardboard again under the effect that resets with the base back latch closure.
The further scheme is that the reset piece is a spring, the sliding arm is provided with a containing hole, the inner side of the cover plate is vertically provided with a baffle, the baffle penetrates out of the first end of the containing hole, the edge of the second end of the containing hole of the sliding arm is provided with a limiting tongue piece extending towards the middle of the containing hole, the spring is positioned in the containing hole, one end of the spring is sleeved on the limiting tongue piece, and the other end of the spring is abutted to the baffle.
Therefore, the spring is sleeved on the limiting tongue piece, and the two ends of the spring are respectively abutted against the end part of the containing hole and the baffle, so that the stable installation on the lock cover can be realized, and the reset of the lock bar is effectively controlled.
The further scheme is that the lock cover further comprises a limiting screw for connecting the cover plate and the locking strip, a threaded hole is formed in the inner side of the cover plate, a waist-shaped guide hole is formed in the position, corresponding to the threaded hole, of the sliding arm, the limiting screw penetrates through the waist-shaped guide hole to be in threaded connection with the threaded hole, and the width of a nut on the limiting screw is larger than that of the waist-shaped guide hole.
The locking bar can be stably connected with the cover plate through the limiting screws and the threaded holes, and the waist-shaped guide holes are matched with the threaded holes to enable the locking bar to slide relative to the cover plate.
The further scheme is that the self-locking connecting rod comprises a rod body and a return spring sleeved on the rod body, the end part of the rod body penetrates into the lock box and is provided with a shifting block with the same width as the inner cavity of the lock box, the rod body is fixedly provided with a check ring outside the lock box, the outer diameter of the check ring is larger than that of the return spring, and the return spring is positioned between the check ring and the lock box.
The return spring both ends respectively with retaining ring and lock box outer wall butt, provide the power of pole body to the pulling of lock box outside for pole body outer end can insert by oneself in the jack of cabinet door and cabinet body when no external force intervenes, realize the auto-lock of cabinet door. The lever body is provided with the shifting block, so that the cabinet door can be unlocked by manually operating the self-locking connecting rod conveniently.
The further scheme is that a lock box through hole matched with the lock box is formed in the middle of the base, two positioning holes are symmetrically formed in the outer side of the lock box through hole in the base, two connecting wing plates are symmetrically arranged on the outer side of the lock box, and positioning pins matched with the positioning holes are arranged on the connecting wing plates.
The lock box embedded into the base is connected and matched with the positioning pin and the positioning hole, and the stable installation of the lock box on the base can be realized.
The further scheme is that the flip formula electric screen cabinet lock still includes the hinge and overlaps the torsional spring on the hinge, is equipped with two hinged brackets in the one end relative with the cardboard on the base, and the apron tip is equipped with two hinge ears, and the hinge passes two hinged brackets and two hinge ears, and two hinge ears all are located between two hinged brackets, and the torsional spring is located between two hinge ears, the one end and the apron butt of torsional spring, the other end and the base butt of torsional spring.
The torsional spring can prop open the unlocked lock cover by itself and keep the lock cover in an open state, so that manual operation of the self-locking connecting rod is facilitated to unlock the cabinet door.
The further scheme is that a lock hole matched with a key is formed in the outer end of the lock cylinder, and annular RFID chips are arranged on the periphery of the lock hole in the outer end of the lock cylinder. The RFID code sheet is introduced to introduce an anti-misoperation mechanism for the door lock of the flip type electric screen cabinet.
The further scheme is that the cover plate is provided with a dustproof cover used for shielding the RFID code sheet and the lock hole, so that main components on the outer side of the lock cover can be effectively protected.
Drawings
Fig. 1 is an exploded view of the lock of the electric cabinet with flip cover of the present invention.
Fig. 2 is a cross-sectional view of the embodiment of the door lock of the flip-type electrical cabinet of the present invention after the dust cover is removed.
Fig. 3 is a structural diagram of the base in the embodiment of the door lock of the flip-type electrical screen cabinet of the present invention.
Fig. 4 is a structural diagram of a lock bar in the embodiment of the door lock of the flip-type electrical screen cabinet of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a lock for a clamshell electrical cabinet door, which comprises two self-locking connecting rods 1, a lock box 2 and a base 3. The lock box 2 is arranged in the base 3 and is arranged in a side surface hollow mode, and the two self-locking connecting rods 1 are symmetrically arranged at two ends of the lock box 2. The base 3 is provided with a lock cover 4 for sealing the locking box 2, the lock cover 4 comprises a cover plate 41, a lock cylinder 42 and a locking strip 43, one end of the cover plate 41 is hinged to the base 3, the top surface of the cover plate 41 is recessed in the middle to form an accommodating cover 411 matched with the lock cylinder 42, the lock cylinder 42 is positioned in the accommodating cover 411, a lock bolt 421 is arranged in the lock cylinder 42, the end of the lock bolt 421 penetrates out of the accommodating cover 411, and the cross section of the penetrating end of the lock bolt 421 is semicircular. The locking bar 43 is arranged on the inner side of the cover plate 41 and can slide along the length direction of the cover plate 41, the locking bar 43 comprises a connecting arm 431, a driving arm 432 and a sliding arm 433 which are vertically arranged at two ends of the connecting arm 431, the driving arm 432 and the sliding arm 433 are arranged in parallel, the driving arm 432 is attached to the end face of the accommodating cover 411, a transmission square hole 434 matched with the lock tongue 421 is arranged on the driving arm 432, a lock hook 435 is arranged on the sliding arm 433, a clamping plate 31 matched with the lock hook 435 is arranged on the base 3, and the locking cover 41 further comprises a reset piece arranged between the locking bar 43 and the cover plate.
The self-locking connecting rod 1 can automatically lock a cabinet door when no external force intervenes, the inner cavity of the lock box 2 is the operation space of the self-locking connecting rod 1, the lock cover 4 is arranged on the base 3 in a hinged mode, only the effect of sealing the lock box 2 and blocking the operation space of the self-locking connecting rod 1 is achieved, the operation space is not related to the movement of the self-locking connecting rod 1, and therefore a mechanism driven by the lock cylinder 42 and used for controlling the movement of the self-locking connecting rod 1 is not needed. Therefore, the scheme is different from the traditional link lock scheme, the lock cylinder 42 only drives the lock bar 43 to control the opening and closing of the lock cover 4, and the structure is simpler, the cost is lower and the implementation is easier compared with the traditional link lock scheme.
Because the shape of the transmission square hole 434 and the cross section of the penetrating end of the bolt 421 is different, the bolt 421 can be rotated by a key to drive the whole Z-shaped locking bar 43 to translate, so that the clamping between the latch 435 on the sliding arm 433 and the clamping plate 31 on the base 3 is released. After the key is turned and pulled out, the locking bar 43 is reset under the action of the reset piece, and the locking hook 435 can be clamped with the clamping plate 31 again under the action of the reset piece after the locking cover 4 is buckled back to the base 3.
Further, the reset element is a spring 44, the sliding arm 433 is provided with a containing hole 436, the inner side of the cover plate 41 is vertically provided with a baffle 412, the baffle 412 penetrates out of a first end of the containing hole 436, the sliding arm 433 is provided with a limiting tongue 437 extending towards the middle of the containing hole 436 at a second end edge of the containing hole 436, the spring 44 is located in the containing hole 436, one end of the spring 44 is sleeved on the limiting tongue 437, and the other end of the spring 44 is abutted against the baffle 412.
The spring 44 is sleeved on the limit tongue 437, and two ends of the spring are respectively abutted against the end part of the accommodating hole 436 and the baffle 412, so that stable installation on the lock cover 4 can be realized, and the lock bar 43 is effectively controlled to reset.
The locking cover 4 further comprises a limiting screw 45 connected with the cover plate 41 and the locking strip 43, a threaded hole 413 is formed in the inner side of the cover plate 41, kidney-shaped guide holes 438 are formed in positions, corresponding to the threaded hole 413, of the sliding arms 433, the limiting screw 45 penetrates through the kidney-shaped guide holes 438 to be in threaded connection with the threaded hole 413, and the width of a nut on the limiting screw 45 is larger than that of the kidney-shaped guide holes 438.
The limiting screw 45 and the threaded hole 413 can stably connect the locking bar 43 with the cover plate 41, and the waist-shaped guide hole 438 is matched with the threaded hole 413 so that the locking bar 43 can slide relative to the cover plate 41. In the embodiment, 3 limit screws 45 are used, correspondingly, 3 threaded holes 413 and kidney-shaped guide holes 438 are respectively arranged on the cover plate 41 and the sliding arm 433, and the 3 limit screws 45 are distributed in a triangular shape, so that the locking bar 43 can be stably installed on the cover plate 41. In the embodiment, a flat-bottomed flange screw having a wide nut portion is used as the limit screw 45.
The self-locking connecting rod 1 comprises a rod body 11 and a return spring 12 sleeved on the rod body 11, the end part of the rod body 11 penetrates into the lock box 2 and is provided with a shifting block 111 with the same width as the inner cavity of the lock box 2, the rod body 11 is fixedly provided with a retaining ring 112 outside the lock box 2, the outer diameter of the retaining ring 112 is larger than that of the return spring 12, and the return spring 12 is positioned between the retaining ring 112 and the lock box 2.
The two ends of the return spring 12 are respectively abutted against the retainer ring 112 and the outer wall of the lock box 2, and a force for pulling the rod body 11 to the outer side of the lock box 2 is provided, so that the outer end of the rod body 11 can be automatically inserted into the jack of the cabinet door and the cabinet body when no external force is involved, and the self-locking of the cabinet door is realized. The introduction of the shifting block 111 on the rod body 11 facilitates the manual operation of the self-locking connecting rod 1 to unlock the cabinet door.
In the embodiment, the sizes of the components are optimized, the end part of the accommodating cover 411 protrudes, the accommodating cover 411, the driving arm 432 and the connecting arm 431 are embedded into the lock box 2 in a locking state, the three parts are positioned between the two shifting blocks 111, the moving space of the shifting blocks 111 is fully occupied, the two shifting blocks 111 are forced to return to two ends of the inner cavity of the lock box 2, namely, full return is realized, the outer end of the rod body 11 is inserted into the jack of the cabinet door and the cabinet body, and therefore the firm locking of the door lock of the flip type electric screen cabinet to the cabinet door is ensured.
The middle part of the base 3 is provided with a lock box through hole 32 matched with the lock box 2, the base 3 is symmetrically provided with two positioning holes 33 outside the lock box through hole 32, the outside of the lock box 2 is symmetrically provided with two connecting wing plates 21, and the connecting wing plates 21 are provided with positioning pins 22 matched with the positioning holes 33.
The lock box 2 embedded in the base 3 is connected and matched with the base 3 by the positioning pin 22 and the positioning hole 33, so that the lock box 2 can be stably installed on the base 3.
The flip-type electric screen cabinet door lock further comprises a hinge shaft 5 and a torsion spring 6 sleeved on the hinge shaft 5, two hinge bases 34 are arranged at one end, opposite to the clamping plate 31, of the base 3, two hinge lugs 414 are arranged at the end portion of the cover plate 41, the hinge shaft 5 penetrates through the two hinge bases 34 and the two hinge lugs 414, the two hinge lugs 414 are located between the two hinge bases 34, the torsion spring 6 is located between the two hinge lugs 414, one end of the torsion spring 6 is abutted to the cover plate 41, and the other end of the torsion spring 6 is abutted to the base 3.
The torsional spring 6 can prop open the unlocked lock cover 4 by itself and maintain the lock cover 4 in an open state, so that the self-locking connecting rod 1 can be operated manually to unlock the cabinet door.
The outer end of the lock core 42 is provided with a lock hole 422 matched with a key, and the outer end of the lock core 42 is provided with a ring-shaped RFID chip 423 at the periphery of the lock hole 422. The introduction of the RFID chip 423 may introduce a fault-prevention mechanism for the clamshell electrical cabinet door lock.
The cover plate 41 is provided with a dust cover 46 for shielding the RFID chip 423 and the lock hole 422, thereby effectively protecting the main components outside the lock cover 4.
Claims (8)
1. Flip formula electrical screen cabinet lock, including two auto-lock connecting rods, lock box and bases, the lock box adorn in the base and be the side fretwork setting, two auto-lock connecting rod symmetry adorn in the both ends of lock box, its characterized in that:
the lock box comprises a base, a lock box body, a lock box and a lock box, wherein the base is provided with a lock cover for sealing the lock box, the lock cover comprises a cover plate, a lock cylinder and a lock bar, one end of the cover plate is hinged with the base, the top surface of the cover plate is sunken in the middle to form an accommodating cover matched with the lock cylinder, the lock cylinder is positioned in the accommodating cover, a lock tongue is arranged in the lock cylinder, the end part of the lock tongue penetrates out of the accommodating cover, the cross section of the penetrating end of the lock tongue is semicircular, and the lock bar is arranged on the inner side of the cover plate;
the lock bar comprises a connecting arm and a driving arm and a sliding arm which are perpendicularly arranged at two ends of the connecting arm, the driving arm is parallel to the sliding arm, the driving arm is attached to the end face of the containing cover, a transmission square hole matched with the lock tongue is formed in the driving arm, a lock hook is arranged on the sliding arm, a clamping plate matched with the lock hook is arranged on the base, and the lock cover further comprises a reset piece arranged between the lock bar and the clamping plate.
2. The flip-type electrical cabinet door lock as claimed in claim 1, wherein:
the piece that resets is the spring, be equipped with the holding hole on the sliding arm, the apron inboard is equipped with a baffle perpendicularly, the baffle is followed the first end in holding hole is worn out, the sliding arm is in holding hole second end edge is equipped with the court the spacing tongue piece that the holding hole middle part extends, the spring is located in the holding hole, the one end cover of spring in on the spacing tongue piece, the other end of spring with the baffle butt.
3. The flip-type electrical cabinet door lock as claimed in claim 1, wherein:
the locking closure is characterized in that the locking closure further comprises a limit screw connected with the cover plate and the locking strip, a threaded hole is formed in the inner side of the cover plate, a waist-shaped guide hole is formed in the position, corresponding to the threaded hole, of the sliding arm, the limit screw penetrates through the waist-shaped guide hole and is in threaded connection with the threaded hole, and the width of a nut on the limit screw is larger than that of the waist-shaped guide hole.
4. The flip-type electrical cabinet door lock as claimed in claim 1, wherein:
the self-locking connecting rod comprises a rod body and a return spring sleeved on the rod body, the end part of the rod body penetrates into the lock box and is provided with a shifting block with the same width as the inner cavity of the lock box, the rod body is fixedly provided with a retaining ring outside the lock box, the outer diameter of the retaining ring is larger than that of the return spring, and the return spring is positioned between the retaining ring and the lock box.
5. The flip-type electrical cabinet door lock as claimed in claim 1, wherein:
the base middle part be equipped with lock box complex lock box via hole, on the base lock box via hole outside symmetry is opened there are two locating holes, the outside symmetry of lock box is equipped with two connection pterygoid lamina, be equipped with on the connection pterygoid lamina with locating hole complex locating pin.
6. The flip-type electrical cabinet door lock as claimed in claim 1, wherein:
the electric screen cabinet lock of flip formula still includes the hinge and overlap in torsional spring on the hinge, on the base with the one end that the cardboard is relative is equipped with two hinged-seats, the apron tip is equipped with two hinge ears, the hinge passes two hinged-seat and two the hinge ear, two the hinge ear all is located two between the hinged-seat, the torsional spring is located two between the hinge ear, the one end of torsional spring with the apron butt, the other end of torsional spring with the base butt.
7. The flip-type electrical screen cabinet door lock as claimed in any one of claims 1 to 6, wherein:
the outer end of the lock cylinder is provided with a lock hole, and the outer end of the lock cylinder is provided with an annular RFID chip at the periphery of the lock hole.
8. The flip-type electrical cabinet door lock as claimed in claim 7, wherein:
and the cover plate is provided with a dustproof cover used for shielding the RFID chip and the lock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068032.3U CN209990276U (en) | 2019-01-15 | 2019-01-15 | Flip type electric screen cabinet door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068032.3U CN209990276U (en) | 2019-01-15 | 2019-01-15 | Flip type electric screen cabinet door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990276U true CN209990276U (en) | 2020-01-24 |
Family
ID=69287729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920068032.3U Active CN209990276U (en) | 2019-01-15 | 2019-01-15 | Flip type electric screen cabinet door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253802A1 (en) * | 2020-06-19 | 2021-12-23 | 海信容声(广东)冷柜有限公司 | Refrigerator |
-
2019
- 2019-01-15 CN CN201920068032.3U patent/CN209990276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253802A1 (en) * | 2020-06-19 | 2021-12-23 | 海信容声(广东)冷柜有限公司 | Refrigerator |
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