CN214786678U - Door lock structure and cleaning machine with same - Google Patents

Abstract

The utility model relates to a door lock structure and a cleaning machine applying the door lock structure, wherein the door lock structure comprises a bracket, a lock rod, a driving mechanism and a reversing mechanism, and the bracket is connected with a box body; the lock rod can be constrained on the bracket in a way of ascending and descending and rotating, and the upper end of the lock rod is provided with a limiting block which can penetrate through a locking notch on the door body; the driving mechanism is used for driving the lock rod to lift up and down; the reversing mechanism is connected with the door body and used for driving the lock rod to rotate relative to the lock opening in the descending process of the lock rod so as to enable the limiting blocks to be aligned with or staggered with the lock opening. The door lock structure of the utility model can be integrally installed on the box body, does not occupy the space on the door body, and only the door body is provided with the locking notch, thereby having reasonable structure and convenient assembly; when the door is locked, the upper end of the lock rod penetrates through a lock opening on the door body, then the lock rod rotates by a moving angle relative to the lock opening, and the lock rod is pulled down to lock the lock rod and the lock opening of the door body in a staggered manner, so that the reliability of the locked process is better; when the door is opened, the door body is firstly pushed to a certain gap for steam to be emitted.

Description

Door lock structure and cleaning machine with same

Technical Field

The utility model relates to a door lock structure and applied cleaning machine that has this door lock structure.

Background

For the box body with the functional inner cavity, due to functional requirements, a door body capable of opening or covering the port is usually arranged at the port of the box body, and the door body needs to be locked relative to the box body in the using process of the box body.

For example, Chinese patent application No. CN200410043122.5, door opening and closing mechanism and dish washer having the same (application publication No. CN1550202A) discloses a structure comprising: a door rotatably disposed for opening and closing a dish inlet provided in the dish washing machine, and a rotation assisting mechanism for applying a rotation assisting force to the door in accordance with a rotation operation of the door; the rotation assisting mechanism applies a rotation assisting force to the door in a closing direction when the door is in a predetermined angle range from a closed state. Although the door body can be locked on the tableware washing machine by the structure, the locking structure is complex and the reliability is low; moreover, when the lock is used for locking a door on a box body with an inner cavity, a part of the structure of the door needs to be installed on the door body, and the lock has the problem of inconvenient assembly for the structure that the door body is thinner.

In addition, for the dish-washing machine, after the washing is finished, a large amount of steam is remained in the washing cavity, negative pressure is easy to generate and the washing cavity is difficult to open, and if the washing cavity is suddenly opened, the hot steam pounding surface also seriously influences the customer experience; in the cleaning process, if certain gaps exist after the door body and the box body are locked, the risk of steam overflow also exists.

Therefore, further improvements are needed for the current door lock structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a can advance when opening the door and push up a door and make steam effluvium open the door again, lock good reliability's lock structure after to prior art's current situation.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an use cleaning machine that has above-mentioned lock structure, and this cleaning machine realizes dislocation locking, good reliability through making the locking lever take place to rotate for the door body.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a door lock structure characterized in that: comprises that

The bracket is used for connecting the box body;

the lock rod can be vertically lifted and rotationally constrained on the bracket, and the upper end of the lock rod is provided with a limiting block which can penetrate through a locking notch on the door body;

the driving mechanism is arranged on the bracket and used for driving the lock rod to lift up and down; and

the reversing mechanism is used for being connected with a door body at the top of the box body, and the local part of the reversing mechanism ascends and descends along with the lock rod and is used for driving the lock rod to rotate relative to the lock opening in the descending process of the lock rod so as to enable the limiting blocks to be aligned with or staggered with the lock opening.

In the utility model, the reversing mechanism comprises

The positioning sleeve is arranged around the periphery of the locking opening, a guide column extending downwards is arranged at the central part of the top of the positioning sleeve, a plurality of first guide strips which are vertically arranged at intervals are arranged on the peripheral wall of the guide column, and a guide groove is formed between every two adjacent first guide strips;

the rotary seat is arranged in the positioning sleeve in a vertically movable manner, a limiting groove which is inserted into and matched with a limiting block of the lock rod and is circumferentially limited is formed in the bottom of the rotary seat, a guide sleeve which is sleeved on the periphery of the guide post at intervals is arranged on the upper portion of the rotary seat, a second guide strip which can be in sliding fit with the guide groove and can be separated from the guide groove along with the rising of the rotary seat is arranged on the inner wall of the guide sleeve, and a guide structure which can enable the second guide strip to slide into the other guide groove from one guide groove is arranged at the lower end of the second guide strip and the upper end of the first guide strip;

the driving sleeve is arranged in the positioning sleeve in a vertically movable manner, and a driving structure capable of driving the rotating seat to rotate in the circumferential direction after the rotating seat rises is arranged at the top of the driving sleeve; and

and the elastic piece is arranged in the positioning sleeve and used for enabling the rotating seat and the driving sleeve to always keep the trend of moving downwards.

The reversing mechanism can realize reversing of the limiting block in the falling process after the lock rod pushes the door, so that the lock rod is adaptive to a door locking or unlocking state.

Preferably, the upper end surface of the first guide strip is formed into a first guide surface which gradually inclines from top to bottom along the rotation direction of the rotating base, the lower end surface of the second guide strip is formed into a second guide surface which gradually inclines from top to bottom along the rotation direction of the rotating base, and the second guide surface and the first guide surface together form the guide structure. By adopting the structure, the rotating seat can smoothly fall back to a state matched with the positioning sleeve after reversing.

Preferably, the driving sleeve is disposed in the guide sleeve and sleeved on the periphery of the guide post, a sliding block capable of being in sliding fit with the guide groove is disposed on the inner peripheral wall of the driving sleeve, the upper end surface of the driving sleeve is formed into a third serrated guide surface, and the third guide surface is in sliding fit with the second guide surface to form the driving structure. By adopting the structure, the driving sleeve moves upwards to drive the rotating seat to rotate in the circumferential direction for a certain angle, so that the locking rod is driven to change direction.

In order to improve the assembly stability, the bottom edge of guide post is provided with the spacing collar that can offset with the slider lower extreme and thus carry out the restraint to the position of drive sleeve, the lower extreme of drive sleeve is located the spacing groove. The elastic part is sleeved on the periphery of the guide sleeve, the upper end of the elastic part is abutted against the inner wall of the positioning sleeve, and the lower end of the elastic part is abutted against the rotating seat.

The utility model discloses in, actuating mechanism includes that driving piece, screw rod, nut are vice and the locking lever cover, the driving piece is located on the support, the screw rod can be connected on the output of driving piece with rotating, the nut is vice to be connected with the screw rod cooperation, the lower extreme and the nut of locking lever cover are vice to be connected and along with the vice synchronous motion of nut, the upper end and the locking lever lower extreme of locking lever cover pass through the bearing and rotate and be connected. The driving mechanism is used for driving the locking rod to lift up and down.

The utility model provides an use cleaning machine that has above-mentioned lock mechanism, includes the box and the door body, the corresponding edge of port on the box is connected in the edge rotation of the door body, its characterized in that: the door lock structure is arranged on the outer side wall of the box body, the lock rod is vertically arranged, and a lock opening for allowing the upper end of the lock rod to penetrate through is formed in the door body.

Compared with the prior art, the utility model has the advantages of: the door lock structure of the utility model can be integrally installed on the box body, does not occupy the space on the door body, and only the door body is provided with the locking notch, thereby having reasonable structure and convenient assembly; when the door lock structure of the utility model is used for locking a door, the upper end of the lock rod firstly passes through the lock opening on the door body, then the lock rod rotates by a moving angle relative to the lock opening, and the lock rod is pulled down to lock the lock rod in a staggered way with the lock opening of the door body, so that the reliability of the locking process is better; when the door is opened, the door body is firstly pushed open by a certain gap for steam to be emitted, and the safety and the user experience feeling are favorably improved.

Drawings

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

fig. 2 is a sectional view of fig. 1 (unlocked state);

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the fitting structure of the positioning sleeve, the rotary seat and the driving sleeve in the embodiment of the present invention;

fig. 5 is a schematic structural view of the positioning sleeve in the embodiment of the present invention;

fig. 6 is a schematic structural view of a driving sleeve in an embodiment of the present invention;

fig. 7 is a schematic structural view of a rotary base according to an embodiment of the present invention;

fig. 8 is a schematic structural view of another angle of the rotating base according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 8, the door lock structure of the present embodiment is used for locking any door body and any box body, and the present embodiment is described by taking a cleaning machine as an example. The cleaning machine of this embodiment includes box 5 and door body 6, and an edge of door body 6 rotates the corresponding edge of connecting port on box 5.

The door lock structure a of this embodiment includes support 1, locking lever 2, actuating mechanism 3, reversing mechanism 4, and on support 1 established the lateral wall of box 5, be used for installing above-mentioned locking lever 2, actuating mechanism 3, reversing mechanism 4, locking lever 2 can the oscilaltion and retrain on support 1 with rotating, and locking lever 2 vertical layout and upper end have can pass the stopper 21 of fore shaft 61 on the door body 6. The driving mechanism 3 is arranged on the bracket 1 and used for driving the locking rod 2 to lift up and down. The reversing mechanism 4 is arranged on the door body 6 at the top of the box body 5, the lock rod 2 does not rotate in the ascending process of the lock rod 2, the reversing mechanism 4 starts to drive the lock rod 2 to rotate at the moment that the lock rod 2 falls back, and the lock rod 2 rotates 90 degrees relative to the lock notch 61 in the falling process to enable the limiting block 21 to be aligned with or staggered with the lock notch 61.

The limiting block 21 is in a straight line shape, and the locking notch 61 is also in a long strip shape matched with the limiting block 21, so that the requirements of unlocking and locking are met by matching the limiting block 21 and the locking notch 61 in an aligning or staggering manner.

Specifically, the reversing mechanism 4 includes a positioning sleeve 41, a rotating base 42, a driving sleeve 43 and an elastic member 44, the positioning sleeve 41 is disposed around the periphery of the locking notch 61, the top of the positioning sleeve 41 is closed, a guide column 411 extending downward is disposed at the central portion of the positioning sleeve 41, four first guide bars 412 vertically spaced are disposed on the outer peripheral wall of the guide column 411, and a guide groove 413 is formed between two adjacent first guide bars 412. Four first guide strips 412 are respectively located at the quartering positions of the outer peripheral wall of the cylindrical guide column 411.

As shown in fig. 3, 7 and 8, the rotary base 42 is vertically movably provided in the positioning sleeve 41, a stopper groove 421 which is inserted into and circumferentially stopped by the stopper 21 of the lock lever 2 is formed in the bottom of the rotary base 42, a guide sleeve 422 which is fitted around the outer periphery of the guide post 411 at an interval is formed in the upper portion of the rotary base 42, a second guide strip 423 which is slidably fitted to the guide groove 413 and is separated from the guide groove 413 as the rotary base 42 ascends is formed on the inner wall of the guide sleeve 422, and a guide structure which allows the second guide strip 423 to be slid into the adjacent guide groove 413 from one guide groove 413 is formed in the lower end of the second guide strip 423 and the upper end of the first guide strip 412. The upper end surface of the first guide strip 412 is formed into a first guide surface 4121 which is gradually inclined from top to bottom along the rotation direction of the rotary seat 42, the lower end surface of the second guide strip 423 is formed into a second guide surface 4231 which is gradually inclined from top to bottom along the rotation direction of the rotary seat 42, and the second guide surface 4231 and the first guide surface 4121 together form the above-mentioned guide structure, which is convenient for realizing the smooth falling back of the rotary seat 42 after reversing to the state of being matched with the positioning sleeve 41.

As shown in fig. 3 and 6, the driving sleeve 43 is provided in the positioning sleeve 41 so as to be movable up and down, and a driving structure for driving the rotation base 42 to rotate in the circumferential direction after the rotation base 42 is lifted up is provided on the top of the driving sleeve 42. The driving sleeve 43 is arranged in the guide sleeve 41 and sleeved on the periphery of the guide column 411, the inner peripheral wall of the driving sleeve 43 is provided with a sliding block 431 which can be in sliding fit with the guide groove 413, the upper end surface of the driving sleeve 43 is formed into a third guide surface 432 in a sawtooth shape, the sawtooth structures are four in an end-to-end connection, the third guide surface 432 is in sliding fit with the second guide surface 4231 to form the driving structure, and in the process that the driving sleeve 43 moves upwards, the rotating base 42 is driven to rotate in the circumferential direction for a certain angle, so that the locking rod 2 is driven to change direction.

The elastic member 44 is a spring provided in the positioning sleeve 41 and is used to keep the rotating base 42 and the driving sleeve 43 always moving downward. The spring is sleeved on the periphery of the guide sleeve 422, the upper end of the spring is abutted against the inner wall of the positioning sleeve 41, and the lower end of the spring is abutted against the rotating seat 42.

In order to improve the assembly stability, a limiting ring 4111 capable of abutting against the lower end of the slider 431 so as to restrict the position of the driving sleeve 43 is disposed at the bottom edge of the guiding column 411 in this embodiment. The limiting groove 421 is cross-shaped, and the lower end of the driving sleeve 43 is located in the limiting groove 421.

In this embodiment, the driving mechanism 3 includes a driving member 31, a screw rod 32, a nut pair 33 and a locking rod sleeve 34, the driving member 31 is a motor and is disposed on the bracket 1, the screw rod 32 is rotatably connected to an output end of the driving member 31, the nut pair 33 is connected to the screw rod 32 in a matching manner, a lower end of the locking rod sleeve 34 is connected to the nut pair 33 and moves synchronously with the nut pair 33, and an upper end of the locking rod sleeve 34 is rotatably connected to a lower end of the locking rod 2 through a bearing 35. The driving mechanism 3 is used for driving the locking rod 2 to lift up and down.

The door lock structure a of the embodiment is arranged on the outer side wall of the box body 5, the lock rod 2 is vertically arranged, and the door body 6 is provided with a lock opening 61 for the upper end of the lock rod 2 to pass through.

When the cleaning machine of the embodiment is used, when the door needs to be opened after cleaning, the driving mechanism 3 drives the lock rod 2 to ascend, the limiting block 21 of the lock rod 2 is inserted into the limiting groove 421, when the limiting block 21 abuts against the lower end of the driving sleeve 43, the rotating seat 42 and the driving sleeve 43 both ascend along with the ascending of the lock rod 2, and when the limiting block 21 ascends to the point that the second guide strip 423 is separated from the guide groove 413, the door body 6 is pushed open to discharge steam in the box body 5; the lock rod 2 continues to push upwards, the second guide surface 4231 of the rotary seat 42 is in sliding fit with the third guide surface 432 of the driving sleeve 43 and rotates a certain angle in the circumferential direction, so that the tip of the second guide surface 4231 at the lower end of the second guide strip 423 of the rotary seat 42 corresponds to the upper part of the first guide surface 4121 of the first guide strip 412, at this time, the driving mechanism 3 drives the lock rod 2 to descend, the rotary seat 42 and the driving sleeve 43 move downwards under the action of the elastic piece 44, during the downward movement, along with the matching sliding of the second guide surface 4231 and the first guide surface 4121, the rotary seat 42 rotates 90 degrees, the second guide strip 423 slides into the guide groove 413 again, the limiting block 21 is aligned with the lock notch 61, and the lock rod 2 descends to withdraw from the lock notch 61 to realize unlocking; when locking is needed, the driving mechanism drives the lock rod 2 to ascend, and the process is repeated to realize dislocation of the limiting block 21 and the lock notch 61, so that locking is realized.

Claims (8)

1. A door lock structure characterized in that: comprises that

The bracket (1) is used for being connected with the box body (5);

the lock rod (2) can be vertically lifted and rotationally constrained on the support (1), and the upper end of the lock rod (2) is provided with a limiting block (21) which can penetrate through a lock opening (61) in the door body (6);

the driving mechanism (3) is arranged on the bracket (1) and is used for driving the lock rod (2) to lift up and down; and

the reversing mechanism (4) is used for being connected with a door body (6) at the top of the box body (5), and the part of the reversing mechanism (4) is lifted up and down along with the lock rod (2) and is used for driving the lock rod (2) to rotate relative to the lock opening (61) in the descending process of the lock rod (2) so as to enable the limiting block (21) to be aligned with or staggered with the lock opening (61).

2. The door lock structure according to claim 1, wherein: the reversing mechanism (4) comprises

The positioning sleeve (41) is arranged around the periphery of the locking opening (61), a guide column (411) extending downwards is arranged at the central part of the top of the positioning sleeve (41), a plurality of first guide strips (412) arranged vertically at intervals are arranged on the peripheral wall of the guide column (411), and a guide groove (413) is formed between every two adjacent first guide strips (412);

the rotary seat (42) is arranged in the positioning sleeve (41) in a vertically movable manner, a limiting groove (421) which is inserted into and matched with the limiting block (21) of the lock rod (2) and is limited in the circumferential direction is formed in the bottom of the rotary seat (42), a guide sleeve (422) which is sleeved on the periphery of the guide column (411) at intervals is arranged on the upper portion of the rotary seat (42), a second guide strip (423) which can be in sliding fit with the guide groove (413) and can be separated from the guide groove (413) along with the ascending of the rotary seat (42) is arranged on the inner wall of the guide sleeve (422), and a guide structure which can enable the second guide strip (423) to slide into the other guide groove (413) from one guide groove (413) is arranged at the lower end of the second guide strip (423) and the upper end of the first guide strip (412);

the driving sleeve (43) is arranged in the positioning sleeve (41) in a vertically movable manner, and the top of the driving sleeve (43) is provided with a driving structure capable of driving the rotating seat (42) to rotate in the circumferential direction after the rotating seat rises; and

and the elastic piece (44) is arranged in the positioning sleeve (41) and is used for enabling the rotating seat (42) and the driving sleeve (43) to always keep the trend of moving downwards.

3. The door lock structure according to claim 2, wherein: the upper end surface of the first guide strip (412) is formed into a first guide surface (4121) which is gradually inclined from top to bottom along the rotation direction of the rotary seat (42), the lower end surface of the second guide strip (423) is formed into a second guide surface (4231) which is gradually inclined from top to bottom along the rotation direction of the rotary seat (42), and the second guide surface (4231) and the first guide surface (4121) jointly form the guide structure.

4. The door lock structure according to claim 3, wherein: the driving sleeve (43) is arranged in the guide sleeve (422) and sleeved on the periphery of the guide column (411), a sliding block (431) capable of being in sliding fit with the guide groove (413) is arranged on the inner peripheral wall of the driving sleeve (43), the upper end face of the driving sleeve (43) is formed into a serrated third guide surface (432), and the third guide surface (432) is in sliding fit with the second guide surface (4231) to form the driving structure.

5. The door lock structure according to claim 4, wherein: the bottom edge of guide post (411) is provided with can offset with slider (431) lower extreme thereby carry out the spacing circle (4111) of retraining to the position of drive sleeve (43), the lower extreme of drive sleeve (43) is arranged in spacing groove (421).

6. The door lock structure according to claim 4, wherein: the elastic piece (44) is sleeved on the periphery of the guide sleeve (422), the upper end of the elastic piece is abutted against the inner wall of the positioning sleeve (41), and the lower end of the elastic piece is abutted against the rotating seat (42).

7. The door lock structure according to any one of claims 1 to 6, wherein: actuating mechanism (3) are including driving piece (31), screw rod (32), the nut is vice (33) and locking lever sleeve (34), driving piece (31) are located on support (1), screw rod (32) can be connected on the output of driving piece (31) with rotating, the nut is vice (33) and screw rod (32) cooperation is connected, the lower extreme of locking lever sleeve (34) is vice (33) with the nut and is connected and along with the vice (33) synchronous motion of nut, the upper end and the locking lever (2) lower extreme of locking lever sleeve (34) are passed through bearing (35) and are rotated and be connected.

8. A cleaning machine with a door lock mechanism according to any one of claims 1 to 7, comprising a box body (5) and a door body (6), wherein one edge of the door body (6) is rotatably connected to the corresponding edge of the upper port of the box body (5), and the cleaning machine is characterized in that: the door lock structure is arranged on the outer side wall of the box body (5) and the lock rod (2) is vertically arranged, and a lock opening (61) for allowing the upper end of the lock rod (2) to penetrate through is formed in the door body (6).

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