A distribution box

Abstract

The technical solution of the utility model provides a distribution box, including a box door, a lock assembly and a box body; the lock assembly includes a lock head, a lock tongue, a linkage and an extension rod, the lock head is arranged on the box door, the end of the rotation output shaft of the lock head is connected to the lock tongue, the linkage is arranged between the rotation output shaft of the lock head and the outer side of the extension rod, and is used to transmit and drive the extension rod to move in the vertical direction when the rotation output shaft of the lock head rotates; the front of the box body is hinged with the box door, and the front side wall of the box body is provided with a ramp. The utility model inserts a key to drive the rotation output shaft on the lock head to rotate, and drives the linkage to synchronously move the lock tongue and the extension rod to the front side wall of the box body, so as to lock the box door and the box body, form a multi-point locking, improve the firmness of the locking, and under the action of the ramp, there is a tensioning force between the box door and the box body, forming a tight fit.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution boxes and cabinets, in particular to a power distribution box. Background Art

[0002] The distribution box is a closed or semi-closed metal cabinet that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment according to the requirements of electrical wiring. It is usually a metal box body with a metal door, and the door and the box body are locked with a lock. For example, patent 202021598905.0 discloses a new type of distribution box, including a door rotatably connected to the box body and a lock installed on the door. The fitting parts of the box body and the door are both installed with sealing gaskets. The lock includes a lock body, a lock core with a keyhole, a lock tongue and a protective mechanism.

[0003] The above-mentioned prior art still has the following problems: the lock part of the distribution box is locked by a single lock tongue, and the locking firmness is insufficient. For larger distribution boxes and box doors, the box door does not close tightly enough, and pulling the box door easily produces gaps and shaking. Utility Model Content

[0004] In view of this, it is necessary to provide a distribution box to solve the technical problem that the distribution box in the prior art is locked with a single lock tongue and the locking firmness is insufficient.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model provides a distribution box, including:

[0006] Box door;

[0007] A lock assembly, comprising a lock head, a lock tongue, a linkage member and an extension rod, wherein the lock head is arranged on the box door, the end of the rotation output shaft of the lock head is connected to the lock tongue, and the linkage member is arranged between the rotation output shaft of the lock head and the outer side of the extension rod, and is used to transmit and drive the extension rod to move in the vertical direction when the rotation output shaft of the lock head rotates; and

[0008] The front side of the box body is hinged to the box door, and the front side wall of the box body is provided with an inclined platform for guiding the extension rod and the lock tongue to deviate along the inclined platform in a direction away from the box door, so as to pull the box door close to the box body.

[0009] Furthermore, a sealing strip is provided on the box door, and a convex edge corresponding to the sealing strip is provided on the front of the box body.

[0010] Furthermore, there are two extension rods, and the two extension rods extend upward and downward from the lock head position respectively.

[0011] Furthermore, the lock assembly also includes a guide sleeve, which is fixed on the box door and slidably connected to the corresponding extension rod.

[0012] Furthermore, the linkage member includes a gear and a rack, the gear is coaxially mounted on the rotation output shaft of the lock, the two racks are respectively arranged at the ends of the two extension rods, and the two racks are respectively engaged on the left and right sides of the gear.

[0013] Furthermore, a guide shell is provided on one side of the lock head, and two guide holes are provided on the top and bottom of the guide shell, and the two ends of the rack respectively pass through a pair of guide holes corresponding to the top and the bottom.

[0014] Furthermore, one end of the extension rod away from the lock head is rotatably connected to a roller.

[0015] Furthermore, an insertion rod is provided at one end of the extension rod away from the lock head, and positioning grooves are provided on the top and bottom inclined platforms for plugging with the insertion rod.

[0016] Furthermore, an adjusting member is provided between the extension rod and the rack, and the adjusting member is used to adjust the outward extending length of the extension rod.

[0017] Furthermore, the adjusting member includes a connecting frame, a sleeve and a locking bolt. The connecting frame is fixedly connected to the rack, the sleeve is arranged on the connecting frame, the extension rod passes through the sleeve and is slidably connected to the sleeve, and the locking bolt is threadedly connected to the outside of the sleeve and passes through the sleeve to be tightly attached to the extension rod.

[0018] Compared with the prior art, the utility model has the following beneficial effects: by inserting the key to drive the rotating output shaft on the lock to rotate, the linkage is used to transmit the transmission, and the lock tongue and the extension rod are synchronously moved to the front side wall of the box body, so as to lock the box door and the box body, form multi-point locking, improve the firmness of the locking, and under the action of the inclined platform, there is a tensioning force between the box door and the box body, forming a tight fit, reducing the closed gap and shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional external diagram of a distribution box according to an embodiment of the utility model;

[0020] Figure 2 It is a three-dimensional diagram from a rear perspective of a distribution box according to an embodiment of the utility model with part of the box body cut away;

[0021] Figure 3 According to the utility model Figure 2 A partial enlarged view of part A;

[0022] Figure 4 It is a three-dimensional diagram of the door from a rear perspective according to an embodiment of the utility model;

[0023] Figure 5 It is a three-dimensional diagram of the exterior of the box according to the embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the linkage member according to an embodiment of the utility model;

[0025] Figure 7 It is a right sectional view of a distribution box according to an embodiment of the utility model;

[0026] Figure 8 According to the utility model Figure 7 A partial enlarged view of part B;

[0027] In the figure: 1, box door; 101, sealing strip;

[0028] 2. Lock assembly; 21. Lock head; 22. Lock tongue; 23. Linkage member; 24. Extension rod; 25. Guide sleeve; 26. Adjustment member;

[0029] 2101, guide housing; 2102, guide hole;

[0030] 231, gear; 232, rack;

[0031] 2401, roller; 2402, plug rod;

[0032] 261, connecting frame; 262, sleeve; 263, locking bolt;

[0033] 3. Box body; 301. Inclined platform; 302. Raised edge; 303. Positioning groove. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0035] like Figure 1-8As shown, the utility model provides a distribution box, including a box door 1, a lock assembly 2 and a box body 3, the front of the box body 3 is hinged to the box door 1; the lock assembly 2 includes a lock head 21, a lock tongue 22, a linkage 23 and an extension rod 24, the lock head 21 is arranged on the box door 1, the lock head 21 includes a lock body, a key socket and a lock core, the key is inserted into the key socket to drive the lock core to rotate, the lock core is the rotation output shaft of the lock head 21, the end of the rotation output shaft of the lock head 21 is connected to the lock tongue 22, when the key is inserted, the lock tongue 22 can be driven to rotate, and when the lock tongue 22 rotates, it can move to the front side wall of the box body 3 and fit closely with it, thereby forming a lock between the box body 3 and the box door 1.

[0036] Furthermore, in order to improve the firmness of the lock, the linkage member 23 is arranged between the rotation output shaft of the lock head 21 and the outer side of the extension rod 24, and is used to transmit and drive the extension rod 24 to move in the vertical direction when the rotation output shaft of the lock head 21 rotates. When the lock tongue 22 is driven to rotate, the linkage member 23 is synchronously used to transmit and drive the extension rod 24 to move upward or downward to the upper or lower part of the front side wall of the box body 3, thereby cooperating with the lock tongue 22 to form multiple limit points in the box body 3, thereby improving the firmness of the lock between the door 1 and the box body 3.

[0037] Furthermore, in order to make the box door 1 fit tightly against the box body 3 and reduce gaps and shaking caused by pulling, the front side wall of the box body 3 is provided with a sloped platform 301, and the position of the sloped platform 301 corresponds to the position of the extension rod 24 and the lock tongue 22, wherein the sloped platform 301 corresponding to the lock tongue 22 is an isosceles trapezoidal platform, and the sloped platform 301 corresponding to the extension rod 24 is an isosceles trapezoidal platform or a triangular sloped platform, and the inclined surface of the sloped platform 301 faces the moving direction of the lock tongue 22 or the extension rod 24, and is used to guide the extension rod 24 and the lock tongue 22 to deviate along the sloped platform 301 in the direction away from the box door 1, and pull the box door 1 to fit tightly against the box body 3, and through the movement of the extension rod 24 and the lock tongue 22 away from the box door 1, the box door 1 is pulled toward the box body 3 to be pressed, thereby reducing gaps and shaking caused by pulling and improving the tightness of the locking.

[0038] It should be noted that the lock head 21 is an existing lock that drives the lock tongue 22 to rotate by inserting a key, and the linkage member 23 and the extension rod 24 are extended on the rotating shaft connecting the lock head 21 and the lock tongue 22. The specific structure of the lock head 21 inserting a key to drive the lock tongue 22 to rotate is a mature existing technology and will not be elaborated on here.

[0039] In this embodiment, in order to improve the sealing performance of the distribution box, a sealing strip 101 is provided on the box door 1, and a flange 302 corresponding to the sealing strip 101 is provided on the front of the box body 3. When the box door 1 and the box body 3 are closed, the sealing strip 101 fits with the flange 302 to form a seal. When the box door 1 and the box body 3 are tightened, the sealing strip 101 fits with the flange 302 more closely, and has a more effective sealing effect.

[0040] In this embodiment, in order to evenly distribute and firmly lock the door 1 and the box body 3, the number of the extension rods 24 is two, and the two extension rods 24 extend upward and downward from the position of the lock head 21 respectively. Under the transmission of the linkage 23, the two extension rods 24 are respectively limited at the top and bottom of the front side wall of the box body 3, forming an evenly distributed three-point lock with the lock tongue 22 distributed on the right side of the front side of the box body 3.

[0041] Furthermore, in order to stabilize the position and movement of the extension rod 24, the lock assembly 2 also includes a guide sleeve 25, which is fixed to the box door 1 and slidably connected to the corresponding extension rod 24. The guide sleeve 25 guides the movement of the extension rod 24 and stabilizes its position.

[0042] In this embodiment, in order to transmit the extension rod 24, the linkage member 23 includes a gear 231 and a rack 232. The gear 231 is coaxially installed on the rotating output shaft of the lock head 21. The two racks 232 are respectively arranged at the ends of the two extension rods 24, and the two racks 232 are respectively engaged on the left and right sides of the gear 231. Through the rotation of the gear 231, the racks 232 on both sides are driven to move upward and downward respectively, and the two extension rods 24 are correspondingly driven to move upward and downward respectively.

[0043] Furthermore, in order to limit and guide the movement of the rack 232, a guide shell 2101 is provided on one side of the lock head 21, and two guide holes 2102 are provided at the top and bottom of the guide shell 2101. The two ends of the rack 232 respectively pass through a pair of guide holes 2102 corresponding to the top and the bottom, and the movement of the rack 232 is limited and guided by the guide holes 2102.

[0044] In this embodiment, in order to enable the extension rod 24 to move smoothly to the front side wall of the box 3, the end of the extension rod 24 away from the lock head 21 is rotatably connected to a roller 2401, so that it can slide on the front side wall of the box 3 and the ramp 301 to improve the smoothness of movement.

[0045] Furthermore, in order to make the locking more stable, an insertion rod 2402 is provided at one end of the extension rod 24 away from the lock head 21, and positioning grooves 303 are provided on the top and bottom of the inclined platform 301 for plugging with the insertion rod 2402. When the extension rod 24 slides, the insertion rod 2402 is pushed into the positioning groove 303 for limiting the position.

[0046] In this embodiment, in order to adaptively adjust the length of the extension rod 24 to match the height of the front opening of the box body 3, an adjustment member 26 is further provided between the extension rod 24 and the rack 232, and the adjustment member 26 is used to adjust the length of the extension rod 24 extending outward.

[0047] Specifically, the adjusting member 26 includes a connecting frame 261, a sleeve 262 and a locking bolt 263. The connecting frame 261 is fixedly connected to the rack 232 and is used to connect to the rack 232. When the rack 232 moves, the adjusting member 26 and the extension rod 24 on the adjusting member 26 are pushed to move. The sleeve 262 is arranged on the connecting frame 261. The extension rod 24 passes through the sleeve 262 and is slidably connected to the sleeve 262. The locking bolt 263 is threadedly connected to the outside of the sleeve 262 and passes through the sleeve 262 to be tightly attached to the extension rod 24. During installation and adjustment, the extension rod 24 is first inserted into the sleeve 262 and adjusted to the required extension length. Then the locking bolt 263 is rotated to press the extension rod 24 to lock its position, which is convenient for adjustment.

[0048] The specific working process of the utility model is as follows: close the box door 1 to the box body 3, insert the key into the lock head 21 to rotate, drive the lock tongue 22 and the gear 231 to rotate, and under the transmission of the rack 232, push the two extension rods 24 to move upward and downward respectively. When the lock tongue 22 moves to the front side wall of the box body 3 for locking, the extension rod 24 also moves to the front side wall of the box body 3 for locking, and under the action of the ramp 301, push the lock tongue 22 and the extension rod 24 to move away from the box door 1, pull the box door 1 and press it against the box body 3, and at the same time, press the sealing strip 101 against the convex edge 302 to form a firm lock and a good seal.

[0049] The entire workflow is completed, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A distribution box, characterized in that: include: A box door, wherein a sealing strip is provided on the box door; A lock assembly, comprising a lock head, a lock tongue, a linkage member and an extension rod, wherein the lock head is arranged on the box door, the end of the rotation output shaft of the lock head is connected to the lock tongue, and the linkage member is arranged between the rotation output shaft of the lock head and the outer side of the extension rod, and is used to transmit and drive the extension rod to move in the vertical direction when the rotation output shaft of the lock head rotates; and The box body has a front side hinged with the box door, and the front side wall of the box body is provided with an inclined platform for guiding the extension rod and the lock tongue to deviate along the inclined platform in the direction away from the box door, pulling the box door close to the box body, and the front side of the box body is provided with a convex edge corresponding to the sealing strip.

2. The distribution box according to claim 1, characterized in that: The number of the extension rods is two, and the two extension rods extend upward and downward from the locking head position respectively.

3. The distribution box according to claim 2, characterized in that: The lock assembly also includes a guide sleeve, which is fixed on the box door and slidably connected to the corresponding extension rod.

4. The distribution box according to claim 3, characterized in that: The linkage member includes a gear and a rack, the gear is coaxially mounted on the rotation output shaft of the lock, the two racks are respectively arranged at the ends of the two extension rods, and the two racks are respectively meshed on the left and right sides of the gear.

5. The distribution box according to claim 4, characterized in that: A guide shell is provided on one side of the lock head, and two guide holes are provided on the top and the bottom of the guide shell. Two ends of the rack respectively pass through a pair of guide holes corresponding to the top and the bottom.

6. The distribution box according to claim 5, characterized in that: One end of the extension rod away from the lock head is rotatably connected to a roller.

7. The distribution box according to claim 6, characterized in that: An insertion rod is also provided at one end of the extension rod away from the lock head, and positioning grooves are provided on the top and bottom inclined platforms for plugging with the insertion rod.

8. The distribution box according to claim 7, characterized in that: An adjusting member is also provided between the extension rod and the rack, and the adjusting member is used to adjust the outwardly extending length of the extension rod.

9. The distribution box according to claim 8, characterized in that: The adjusting member includes a connecting frame, a sleeve and a locking bolt. The connecting frame is fixedly connected to the rack, the sleeve is arranged on the connecting frame, the extension rod passes through the sleeve and is slidably connected to the sleeve, and the locking bolt is threadedly connected to the outside of the sleeve and passes through the sleeve to be tightly attached to the extension rod.

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