CN214220897U - Door lock structure and cleaning machine with same - Google Patents
Door lock structure and cleaning machine with same Download PDFInfo
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- CN214220897U CN214220897U CN202022479607.6U CN202022479607U CN214220897U CN 214220897 U CN214220897 U CN 214220897U CN 202022479607 U CN202022479607 U CN 202022479607U CN 214220897 U CN214220897 U CN 214220897U
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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 used for being connected with a box body; the lock rod can be vertically lifted and rotationally constrained on the bracket, and the lock rod is vertically arranged and the upper end of the lock rod is provided with a limiting block which can penetrate through a lock opening on the door body; used for driving the lock rod to lift up and down; the reversing mechanism is connected between the output end of the driving mechanism and the lower end of the lock rod, 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. The utility model has 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 open by a certain gap for steam to be emitted, and the safety and the user experience feeling are favorably improved.
Description
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 connected between the output end of the driving mechanism and the lower end of the lock rod, 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 lower end of the lifting sleeve is connected with the output end of the driving mechanism and can be driven by the driving mechanism to lift up and down, a plurality of first guide strips which are vertically arranged at intervals are arranged on the inner peripheral wall of the lifting sleeve, and a guide groove is formed between every two adjacent first guide strips;
the lower end of the periphery of the lock rod is sleeved with a steering driving sleeve, the steering driving sleeve penetrates through the top of the lifting sleeve and extends into the lifting sleeve, a guide block which can be in guide fit with the guide groove is arranged on the periphery wall of the lower end of the steering driving sleeve in a protruding mode, and a driving structure which can drive the lock rod to rotate in the circumferential direction after the lock rod descends is arranged at the lower end of the driving sleeve;
the lower end of the lock rod penetrates through the lower end of the steering driving sleeve and is positioned in the lifting sleeve, the guide piece is arranged at the lower end of the lock rod and is provided with a second guide strip which can be in sliding fit with the guide groove so as to be separated from the guide groove along with the lifting 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 upper end of the second guide strip and the lower end of the first guide strip; and
and the elastic piece is arranged in the lifting sleeve and enables the lock rod and the steering driving sleeve to always keep the trend of moving upwards.
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 lower end surface of the first guide strip is formed into a first guide surface which is gradually inclined from bottom to top along the rotation direction of the lock rod, the upper end surface of the second guide strip is formed into a second guide surface which is gradually inclined from bottom to top along the rotation direction of the lock rod, and the second guide surface and the first guide surface jointly form the guide structure. By adopting the structure, the lock rod can be reset to a state matched with the lifting sleeve after reversing.
Preferably, the lower end surface of the steering driving sleeve is formed into a serrated third 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, in the downward moving process of the lock rod, the driving guide piece drives the lock rod to rotate in the circumferential direction for a certain angle, so that the lock rod is driven to change the direction.
The utility model discloses in, locking lever length is greater than the length that turns to the actuating sleeve just the stopper of locking lever upper end is located the top that turns to the actuating sleeve all the time.
In order to improve the assembly stability, the top of the lifting sleeve is provided with a through hole for the steering driving sleeve to pass through, the steering driving sleeve moves to the limit state relative to the lifting sleeve, and the guide block abuts against the inner top wall of the lifting sleeve for limiting.
In order to facilitate assembly, a supporting plate located below the first guide strip is arranged in the lifting sleeve, and the elastic part is a spring with the upper end abutting against the guide part and the lower end abutting against the supporting plate.
The utility model discloses in, actuating mechanism includes that driving piece, screw rod, nut are vice, 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 nut is vice to be connected and the two synchronous motion with the lower extreme of lift cover.
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 cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a part of the matching structure of the reversing mechanism in the embodiment of the present invention;
fig. 4 is a schematic view of the matching structure of the steering driving sleeve and the guiding member in the embodiment of the present invention;
fig. 5 is a schematic view of a partial structure of the lifting sleeve in 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 5, 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 connected between the output end of the driving mechanism 3 and the lower end of the lock rod 2, the lock rod 2 does not rotate in the ascending process of the lock rod 2, the reversing mechanism 4 drives the lock rod 2 to rotate by a certain angle at the moment that the lock rod 2 falls back, and the lock rod 2 rotates by 90 degrees relative to the lock opening 61 in the resetting process to enable the limiting block 21 to be aligned with or staggered with the lock opening 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.
The driving mechanism 3 of this embodiment includes a driving member 31, a screw rod 32, and a nut pair 33, where the driving member 31 is a motor and is disposed on the bracket 1, the screw rod 32 can be rotatably connected to an output end of the driving member 31, and the nut pair 33 is connected with the screw rod 32 in a matching manner and can move up and down along with the rotation of the screw rod 32.
The reversing mechanism 4 of the present embodiment includes a lifting sleeve 41, a steering driving sleeve 42, a guide 43, and an elastic member 44. The lower end of the lifting sleeve 41 is connected with the nut pair 33 and ascends and descends along with the nut pair 33, four first guide strips 411 which are vertically arranged at intervals are arranged on the inner peripheral wall of the lifting sleeve 41, and a guide groove 412 is formed between every two adjacent first guide strips 411. The four first guide bars 411 are respectively located at the quartering position of the inner peripheral wall of the lifting sleeve 41. The steering driving sleeve 42 is sleeved on the lower end of the periphery of the lock rod 2 and penetrates through the top of the lifting sleeve 41 to extend into the lifting sleeve 41, a guide block 421 which can be in guide fit with the guide groove 412 is convexly arranged on the peripheral wall of the lower end of the steering driving sleeve 41, and a driving structure 4b which can drive the lock rod 2 to rotate in the circumferential direction after descending is arranged at the lower end of the driving sleeve 42. The lower end of the lock rod 2 passes through the lower end of the steering driving sleeve 42 and is positioned in the lifting sleeve 41, the guide piece 43 is arranged at the lower end of the lock rod 2 and is integrally formed with the lock rod 2, the guide piece 43 is provided with a second guide strip 431 which can be in sliding fit with the guide groove 412 so as to be separated from the guide groove 412 along with the lifting sleeve 41, and the upper end of the second guide strip 431 and the lower end of the first guide strip 411 are provided with a guide structure 4a which can enable the second guide strip 431 to slide into the other guide groove 412 from one guide groove 412. The elastic member 44 is provided in the elevation sleeve 41 to keep the lock lever 2 and the steering driving sleeve 42 always moving upward. The reversing mechanism 4 can realize the reversing of the limiting block 21 in the falling process after the lock rod 2 pushes against the door, so that the lock rod 2 is matched with the door locking or unlocking state.
As shown in fig. 3, the lower end surface of the first guide bar 411 is formed as a first guide surface 4111 gradually inclined from bottom to top in the rotational direction of the lock lever 2, the upper end surface of the second guide bar 431 is formed as a second guide surface 4311 gradually inclined from bottom to top in the rotational direction of the lock lever 2, and the second guide surface 4311 and the first guide surface 4111 together form a guide structure 4 a. By adopting the structure, the locking rod 2 can be conveniently reset to the state matched with the lifting sleeve 41 after reversing.
As shown in fig. 4, the lower end surface of the steering driving sleeve 42 is formed as a serrated third guide surface 422, and the third guide surface 422 is slidably engaged with the second guide surface 4311 to constitute a driving structure 4 b. By adopting the structure, in the process of moving the lock rod 2 downwards, the driving guide piece 43 drives the lock rod 2 to rotate in the circumferential direction for a certain angle, so that the lock rod 2 is driven to change the direction.
In this embodiment, the length of the lock lever 2 is greater than the length of the steering driving sleeve 42 and the stopper 21 at the upper end of the lock lever 2 is always located above the steering driving sleeve 42. In order to improve the assembly stability, as shown in fig. 5, the top of the lifting sleeve 41 is provided with a through hole 413 for the steering driving sleeve 42 to pass through, and when the steering driving sleeve 42 moves up to the limit state relative to the lifting sleeve 41, the guide block 421 abuts against the inner top wall of the lifting sleeve 41 for limiting. For the convenience of assembly, a support plate 414 is disposed below the first guide bar 411 in the lifting sleeve 41, and the elastic member 44 is a spring having an upper end abutting against the guide member 43 and a lower end abutting against the support plate 414.
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 locking is needed, the driving mechanism 3 drives the lifting sleeve 41 to ascend, the steering driving sleeve 42 and the lock rod 2 ascend synchronously with the lifting sleeve 41 under the action of the elastic piece 44, the limiting block 21 ascending to the upper end of the lock rod 2 penetrates through the locking notch 61, the upper end of the steering driving sleeve 42 abuts against the lower wall surface of the door body 6, at this time, the lifting sleeve 41 continues to ascend, the steering driving sleeve 42 keeps static under the action of the gravity of the door body 6, and when the lifting sleeve 41 ascends to the second guide strip 431 at the lower end of the lock rod 2 and is separated from the guide groove 412, the lock rod 2 under the action of the elastic piece 44 enables the lock rod 2 to rotate a certain angle along the circumferential direction through the sliding fit of the third guide surface 422 and the second guide surface 4311; the driving mechanism 3 drives the lifting sleeve 41 to descend, the second guide surface 4311 is in sliding fit with the first guide surface 4111 after contacting the first guide surface 4111 until the second guide bar 431 slides into the adjacent guide groove 412, the 90-degree reversing of the lock rod 2 and the limiting block 21 is completed, the dislocation of the limiting block 21 and the lock opening 61 is realized, and the locking is realized after the lock rod 2 descends; when unlocking is needed, the process is repeated to align the limiting block 21 with the locking notch 61; when the door body 6 needs to be positioned high, the driving mechanism 3 drives the reversing mechanism 4 and the lock rod 2 to integrally lift.
Claims (9)
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 connected between the output end of the driving mechanism (3) and the lower end of the lock rod (2), and the reversing mechanism (4) ascends and descends 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 lower end of the lifting sleeve (41) is connected with the output end of the driving mechanism (3) and can be driven by the driving mechanism (3) to lift up and down, a plurality of first guide strips (411) which are vertically arranged at intervals are arranged on the inner peripheral wall of the lifting sleeve (41), and a guide groove (412) is formed between every two adjacent first guide strips (411);
the steering driving sleeve (42) is sleeved at the lower end of the periphery of the lock rod (2) and penetrates through the top of the lifting sleeve (41) to extend into the lifting sleeve (41), a guide block (421) which can be in guide fit with the guide groove (412) is arranged on the peripheral wall of the lower end of the steering driving sleeve (42) in a protruding mode, and a driving structure (4b) which can drive the lock rod (2) to rotate in the circumferential direction after the lock rod (2) descends is arranged at the lower end of the driving sleeve (42);
the lower end of the lock rod (2) penetrates through the lower end of the steering driving sleeve (42) and is positioned in the lifting sleeve (41), the guide piece (43) is arranged at the lower end of the lock rod (2) and is provided with a second guide strip (431) which can be in sliding fit with the guide groove (412) so as to be separated from the guide groove (412) along with the lifting sleeve (41), and the upper end of the second guide strip (431) and the lower end of the first guide strip (411) are provided with a guide structure (4a) which can enable the second guide strip (431) to slide into the other guide groove (412) from one guide groove (412); and
and the elastic piece (44) is arranged in the lifting sleeve (41) and enables the lock rod (2) and the steering driving sleeve (42) to always keep the trend of moving upwards.
3. The door lock structure according to claim 2, wherein: the lower terminal surface of first guide bar (411) takes shape to first guide surface (4111) along the rotation direction of locking lever (2) from bottom to top slope gradually, the up end of second guide bar (431) takes shape to second guide surface (4311) along the rotation direction of locking lever (2) from bottom to top slope gradually, this second guide surface (4311) with first guide surface (4111) constitute jointly guide structure (4 a).
4. The door lock structure according to claim 3, wherein: the lower end surface of the steering driving sleeve (42) is formed into a sawtooth-shaped third guide surface (422), and the third guide surface (422) is in sliding fit with the second guide surface (4311) to form the driving structure (4 b).
5. The door lock structure according to claim 2, wherein: the length of the lock rod (2) is greater than that of the steering driving sleeve (42) and the limiting block (21) at the upper end of the lock rod (2) is always positioned above the steering driving sleeve (42).
6. The door lock structure according to claim 2, wherein: the top of the lifting sleeve (41) is provided with a through hole (413) for the steering driving sleeve (42) to pass through, and when the steering driving sleeve (42) moves upwards to the limit state relative to the lifting sleeve (41), the guide block (421) is abutted against the inner top wall of the lifting sleeve (41) for limiting.
7. The door lock structure according to claim 2, wherein: a supporting plate (414) positioned below the first guide strip (411) is arranged in the lifting sleeve (41), and the elastic piece (44) is a spring with the upper end abutting against the guide piece (43) and the lower end abutting against the supporting plate (414).
8. The door lock structure according to any one of claims 2 to 7, wherein: actuating mechanism (3) are vice (33) including driving piece (31), screw rod (32), nut, on support (1) was located in driving piece (31), screw rod (32) can connect on the output of driving piece (31) with rotating, the nut is vice (33) and is connected with screw rod (32) cooperation, the nut is vice (33) and is connected and the two synchronous motion with the lower extreme of lift cover (41).
9. A cleaning machine with a door lock mechanism according to any one of claims 1 to 8, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479607.6U CN214220897U (en) | 2020-10-30 | 2020-10-30 | Door lock structure and cleaning machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479607.6U CN214220897U (en) | 2020-10-30 | 2020-10-30 | Door lock structure and cleaning machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214220897U true CN214220897U (en) | 2021-09-17 |
Family
ID=77695913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022479607.6U Active CN214220897U (en) | 2020-10-30 | 2020-10-30 | Door lock structure and cleaning machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214220897U (en) |
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2020
- 2020-10-30 CN CN202022479607.6U patent/CN214220897U/en active Active
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