CN214576353U

CN214576353U - Door lock and clothes dryer with same

Info

Publication number: CN214576353U
Application number: CN202120842155.5U
Authority: CN
Inventors: 王立孟
Original assignee: Wenzhou Tianjian Electric Co ltd
Current assignee: Wenzhou Tianjian Electric Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-02
Anticipated expiration: 2031-04-22

Abstract

The utility model provides a lock and dryer that has this lock belongs to lock technical field, and wherein, the lock includes: the lock comprises a lock shell and a door hook, wherein a locking piece is arranged in the lock shell, the locking piece is connected in the lock shell in a turnover mode, and the door hook is locked through the locking piece; the push piece is arranged in the lock shell and triggers the electric switch through sliding; the locking piece is matched with the pushing piece in the lock shell through overturning; the utility model discloses a door lock, after the door hook inserts the lockhole, the door hook pushes up the locking piece and overturns, the locking piece removes the block to the impeller, the impeller moves under the effect that promotes the elastic component, thereby trigger the electric switch through the impeller; because locking piece and impeller all set up in the lock shell, its cooperation precision can be convenient for guarantee, and set up more conveniently to the problem of inconvenient installation that causes through door hook trigger electric switch has been avoided.

Description

Door lock and clothes dryer with same

Technical Field

The utility model relates to a lock technical field, concretely relates to lock and dryer that has this lock.

Background

The door lock for the dryer generally needs to trigger an electric switch after the door is closed to support the subsequent operation of the dryer.

In the prior art, generally, in the process of inserting the door hook into the lock hole, the electric switch is triggered by the door hook.

However, adopt above-mentioned scheme, need the cooperation between door hook and the lockhole comparatively accurate to guarantee that the door hook can be accurate trigger the electric switch, put forward higher requirement to the production and the installation of lock like this, increase the use cost of lock.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the lock among the prior art needs door hook trigger electric switch to a new lock structure is provided, this lock structure inserts the in-process of lockhole at the door hook, does not trigger electric switch through the door hook, thereby requires lowerly to the cooperation of door hook with the lockhole, has reduced the production and the installation cost of lock.

In order to solve the technical problem, the utility model provides a door lock, include: the lock comprises a lock shell and a door hook, wherein the lock shell is provided with a lock hole, and the door hook is suitable for being inserted into the lock hole to be locked; the lock shell is internally provided with a locking piece which is connected in the lock shell in a turnover mode, and the door hook is locked through the locking piece;

the push piece is connected in the lock shell in a sliding manner, slides in the lock shell, and has a trigger state for triggering the electric switch and a release state for releasing the trigger of the electric switch;

the locking piece is turned inside the lock shell, and has a locking position for locking the door hook and an unlocking position for unlocking the door hook; the locking piece is provided with a blocking surface matched with the pushing piece, when the locking piece is positioned at an unlocking position, the blocking surface of the locking piece is abutted against the pushing piece, and when the locking piece is positioned at a locking position, the blocking surface of the locking piece is released from abutting against the pushing piece;

a pushing elastic piece is connected between the pushing piece and the lock shell and has an elastic force for driving the pushing piece to move towards the trigger state; when the blocking surface of the locking piece releases the abutting of the pushing piece, the pushing piece is driven by the pushing elastic piece to trigger the electric switch.

Alternatively, the locking member is a cam structure, the locking member has an opening facing the lock hole, and the door hook is locked by being accommodated in the opening.

Optionally, one end of the locking piece, which is far away from the opening, is provided with a connecting hole, a torsion spring is connected between the connecting hole and the lock shell, and the torsion spring has an elastic force for driving the locking piece to turn towards the locking position and the unlocking position.

Optionally, the lock case has a blocking portion therein for cooperating with the locking member, and when the locking member is in the locking position, the blocking portion abuts against the cooperating surface of the locking member.

Optionally, the locking piece has a protrusion at an end thereof remote from the opening, the blocking portion of the lock case is located between the protrusion of the locking piece and the lower jaw of the opening, and the mating surface of the locking piece for mating with the blocking portion is disposed on the protrusion.

Optionally, the pushing member is disposed in the lock case in parallel with the blocking portion, and when the locking member is in the unlocking position, the pushing member abuts against a blocking surface of the locking member, and the blocking surface is disposed on a lower jaw of an opening of the lock case.

Optionally, the pushing member is arranged in the lock shell in parallel with the locking member, the pushing member is provided with an extension part facing the locking member, and the extension end of the extension part is provided with a semicircular bulge.

Optionally, the pushing member has a limiting groove, the lock case has a limiting block inserted into the limiting groove, and when the pushing member slides, the limiting block slides in the limiting groove.

Optionally, the top end of the limiting block has a limiting angle extending towards one side, the upper surface of the limiting angle is an oblique angle, and the lower surface of a side wall of the limiting groove opposite to the limiting angle has an inclined surface for matching with the limiting angle.

The utility model provides a clothes dryer adopts any one of above-mentioned scheme lock.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a door lock, have locking piece and impeller in the lock shell, after the door hook inserts the lockhole, the door hook pushes up the locking piece and overturns, the locking piece removes the blocking to the impeller, the impeller removes under the effect that promotes the elastic component, thereby through impeller trigger electric switch; because locking piece and impeller all set up in the lock shell, its cooperation precision can be convenient for guarantee, and set up more conveniently to the problem of inconvenient installation that causes through door hook trigger electric switch has been avoided.

2. The utility model provides a door lock, in the lock shell, locking piece and impeller set up side by side, are provided with the extension towards the locking piece on the impeller, keep the interval between locking piece and the impeller through this extension to guarantee the normal work of locking piece and impeller; furthermore, a semicircular bulge is arranged on the extending end of the extending part of the pushing part, so that the normal work of the locking part and the pushing part is better ensured.

3. The utility model provides a clothes dryer, owing to adopt any one of above-mentioned scheme the lock, consequently have any one of above-mentioned advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an internal structure of a door lock provided in an embodiment of the present invention.

Fig. 2 is a perspective view of the locking piece and the pushing piece in fig. 1.

Fig. 3 is a front view of the door hook before insertion into the lock hole.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a front view of the door hook after insertion into the lock hole.

Fig. 6 is a schematic perspective view of the push member and the electric switch cooperating after the door hook is inserted into the lock hole.

Fig. 7 is a right side view of fig. 5.

Fig. 8 is a cross-sectional view taken along line a-a of fig. 7.

Description of reference numerals:

1. a lock case; 2. a lock hole; 3. a door hook; 4. a locking member; 5. an opening; 6. a pusher member; 7. an electric switch; 8. a micro-moving part; 9. pushing against the elastic piece; 10. a blocking surface; 11. connecting holes; 12. a torsion spring; 13. an extension portion; 14. a semicircular bulge; 15. a blocking portion; 16. a protrusion; 17. a mating surface; 18. a limiting groove; 19. a limiting block; 20. limiting the angle; 21. a bevel.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present embodiment provides a door lock, as shown in fig. 1, including: the lock shell 1 is provided with a lock hole 2, the lock hole 2 is used for being matched with a door hook 3, and the door hook 3 is locked by being inserted into the lock hole 2. The lock case 1 is provided with a locking piece 4 therein, and after the door hook 3 is inserted into the lock hole 2, the locking piece 4 is used for locking the door hook 3 in the lock case 1. Specifically, the locking member 4 is connected in the lock case 1 in a reversible manner, the locking member 4 is of a cam structure, the locking member 4 is provided with an opening 5 facing the lock hole 2, after the door hook 3 is inserted into the lock hole 2 of the lock case 1, the door hook 3 pushes the locking member 4 to turn over, and after the locking member 4 turns over, the opening 5 of the locking member 4 locks the door hook 3.

As shown in fig. 1, the lock case 1 is also provided with a pushing piece 6 and an electric switch 7, wherein the electric switch 7 is a microswitch and is provided with a micro-moving piece 8 matched with the pushing piece 6; the pushing piece 6 is connected in the lock shell 1 in a sliding way, and the pushing piece 6 slides in the lock shell 1, so that the push-type lock has a trigger state for triggering the electric switch 7 and a release state for releasing the trigger of the electric switch 7; in addition, as shown in fig. 4, a pushing elastic member 9 is further connected between the pushing member 6 and the lock case 1, specifically, the pushing elastic member 9 may be a pushing spring, and under the action of the pushing spring, the pushing member 6 has a biasing force sliding towards a position of triggering the electric switch 7.

As shown in fig. 2, the lock member 4 is turned inside the lock case 1, and has a lock position for locking the door hook 3 and an unlock position for releasing the lock of the door hook 3. The pushing piece 6 is matched with the locking piece 4 in the lock shell 1, and when the locking piece 4 is located at the unlocking position, the locking piece 4 can be abutted against the pushing piece 6, so that the pushing piece 6 overcomes the elastic force of the pushing spring and is kept in a releasing state without being in contact with the electric switch 7. When the locking piece 4 is turned towards the locking position, the locking piece 4 releases the limit of the pushing piece 6, and the pushing piece 6 is contacted with the electric switch 7 under the action of the pushing spring, so that the electric switch 7 is triggered. Specifically, the locking piece 4 is provided with a blocking surface 10 for being matched with the pushing piece 6, when the locking piece 4 is at the unlocking position, the blocking surface 10 of the locking piece 4 is abutted against the pushing piece 6, and when the locking piece 4 is at the locking position, the blocking surface 10 of the locking piece 4 releases the abutment against the pushing piece 6. In particular, said blocking surface 10 is the lower jaw of the opening 5 of the locking element 4.

In the door lock provided by the embodiment, the lock shell 1 is internally provided with the locking piece 4 and the pushing piece 6, after the door hook 3 is inserted into the lock hole 2, the door hook 3 pushes the locking piece 4 to move, the locking piece 4 releases the blocking of the pushing piece 6, and the pushing piece 6 moves under the action of the pushing elastic piece, so that the pushing piece 6 triggers the electric switch 7; because locking piece 4 and impeller 6 all set up in lock shell 1, its cooperation precision can be convenient for guarantee, and it is more convenient to set up to the problem of the inconvenient installation that has avoided triggering electric switch 7 through door hook 3 and has caused.

As shown in fig. 3, the locking member 4 has a connection hole 11 at an end thereof away from the opening 5, a torsion spring 12 is connected between the connection hole 11 and the lock case 1, and the torsion spring 12 has an elastic force for driving the locking member 4 to turn toward the locking position and the unlocking position. Specifically, the middle hole of the torsion spring 12 is configured to be movable, and when the locking member 4 is located at the unlocking position, the elastic force of the torsion spring 12 can keep the locking member 4 at the unlocking position; when the locking piece 4 is driven by the door hook 3 to overturn to the locking position, the position of the middle hole of the torsion spring 12 is displaced, so that the elastic force of the torsion spring 12 can enable the locking piece 4 to be continuously kept at the locking position.

As shown in fig. 4, the pushing member 6 is arranged in the lock case 1 in parallel with the locking member 4, the pushing member 6 has an extension 13 facing the locking member 4, and the extension end of the extension 13 has a semicircular protrusion 14. The semicircular bulge 14 is used for contacting with the locking piece 4, so that the gap between the pushing piece 6 and the locking piece 4 is kept, and the locking piece 4 can be normally overturned and the pushing piece 6 can normally slide without interference.

As shown in fig. 1 and 5, the lock case 1 has a blocking portion 15 therein for engaging with the locking member 4, and when the locking member 4 is in the locking position, the blocking portion 15 abuts against an engaging surface 17 of the locking member 4. Specifically, one end of the locking element 4 far away from the opening 5 is provided with a protruding part 16, the blocking part 15 on the lock shell 1 is positioned between the protruding part 16 of the locking element 4 and the lower jaw of the opening 5, and an engaging surface 17 for engaging with the blocking part 15 on the locking element 4 is arranged on the protruding part 16. The above structure can be used to hold the locking member 4 in the locking position by the cooperation of the blocking portion 15 and the torsion spring 12, thereby avoiding excessive turnover of the locking member 4.

As shown in fig. 1 and 2, the blocking portion 15 on the lock case 1 and the pushing member 6 are arranged in parallel in the lock case 1, and when the locking member 4 is in the unlocking position, the pushing member 6 and the blocking portion 15 abut against the blocking surface 10 of the locking member 4 together. When the locking member 4 is located at the unlocking position, the locking member 4 is kept at the unlocking position under the action of the blocking portion 15 and the torsion spring 12, so that the locking member 4 is prevented from being overturned excessively.

As shown in fig. 1 and 6, the pushing member 6 has a limiting groove 18, the lock case 1 has a limiting block 19 for being inserted into the limiting groove 18, and when the pushing member 6 slides, the limiting block 19 slides in the limiting groove 18. The pushing piece 6 slides to be limited and guided through the matching of the limiting piece and the limiting groove 18, so that the pushing piece 6 can be accurately matched with the electric switch 7 under the action of the pushing spring.

As shown in fig. 7 and 8, the top end of the limiting block 19 has a limiting angle 20 extending towards one side, the upper surface of the limiting angle 20 is an oblique angle, and the lower surface of a side wall of the limiting groove 18 opposite to the limiting angle 20 has a slope 21 for matching with the limiting angle 20. Through the matching of the bevel angle and the bevel 21, the pushing piece 6 can be more conveniently installed on the limiting block 19, namely, the limiting groove 18 of the pushing piece 6 can be inserted into the limiting block 19 by deflecting the pushing piece 6, so that the pushing piece 6 is installed.

The working principle of the door lock is as follows:

1: as shown in fig. 3 and 5, first, the door hook 3 enters the door lock, the door hook 3 jacks up the cam, the cam turns over to the right position under the action of the torsion spring 12, and the other side of the cam is limited on the shell.

2: as shown in fig. 7, when the cam is turned over, the cam no longer blocks the pushing member 6, and the pushing member 6 runs towards the micro moving member 8 of the electric switch 7 under the action of the pushing spring, so as to trigger the electric switch 7, trigger the micro switch to be switched on, and enable the door lock to achieve a switching-on effect.

In addition, the embodiment also provides a clothes dryer adopting the door lock, wherein the door lock is arranged on a door of the clothes dryer and is used for locking the door of the clothes dryer.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. A door lock, comprising: the lock comprises a lock shell (1) and a door hook (3), wherein the lock shell (1) is provided with a lock hole (2), and the door hook (3) is suitable for being inserted into the lock hole (2) to be locked; the lock shell (1) is internally provided with a locking piece (4), the locking piece (4) is connected in the lock shell (1) in a turnover mode, and the door hook (3) is locked through the locking piece (4); it is characterized in that the preparation method is characterized in that,

the lock shell (1) is also internally provided with a pushing piece (6), the pushing piece (6) is connected in the lock shell (1) in a sliding manner, the pushing piece (6) slides in the lock shell (1) and has a triggering state for triggering the electric switch (7) and a releasing state for releasing the triggering of the electric switch (7);

the locking piece (4) is turned inside the lock case (1), and has a locking position for locking the door hook (3) and an unlocking position for unlocking the door hook (3); the locking piece (4) is provided with a blocking surface (10) matched with the pushing piece (6), when the locking piece (4) is in an unlocking position, the blocking surface (10) of the locking piece (4) is abutted against the pushing piece (6), and when the locking piece (4) is in a locking position, the blocking surface (10) of the locking piece (4) releases the abutment against the pushing piece (6);

a pushing and resisting elastic piece (9) is further connected between the pushing piece (6) and the lock shell (1), and the pushing and resisting elastic piece (9) has elastic force for driving the pushing piece (6) to move towards the triggering state; when the blocking surface (10) of the locking piece (4) releases the abutting of the pushing piece (6), the pushing piece (6) triggers the electric switch (7) under the driving of the abutting elastic piece (9).

2. A door lock according to claim 1, characterized in that the locking element (4) is of cam construction, the locking element (4) having an opening (5) facing the locking hole (2), the door hook (3) being locked by being received in the opening (5).

3. A door lock according to claim 2, characterized in that the locking member (4) has a connection hole (11) at its end remote from the opening (5), a torsion spring (12) is connected between the connection hole (11) and the lock housing (1), the torsion spring (12) having a resilient force urging the locking member (4) to flip towards the locking position and the unlocking position.

4. A door lock according to claim 2, characterized in that the lock housing (1) has a blocking portion (15) therein for cooperation with the locking element (4), the blocking portion (15) abutting against an engagement surface (17) of the locking element (4) when the locking element (4) is in the locking position.

5. A door lock according to claim 4, characterized in that the locking element (4) has a projection (16) at its end remote from the opening (5), that a blocking part (15) on the lock housing (1) is located between the projection (16) of the locking element (4) and the lower jaw of the opening (5), and that an engagement surface (17) on the locking element (4) for engagement with the blocking part (15) is provided on the projection (16).

6. A door lock according to claim 4, characterized in that the push member (6) is arranged inside the lock case (1) alongside the blocking portion (15), the push member (6) abutting against a blocking surface (10) of the locking member (4) when the locking member (4) is in the unlocked position, the blocking surface (10) being arranged on the lower jaw of the opening (5) of the lock case (1).

7. A door lock according to any one of claims 1-6, characterized in that the push member (6) is arranged in the lock housing (1) in juxtaposition with the locking member (4), the push member (6) having an extension (13) towards the locking member (4), the extension (13) having a semi-circular protrusion (14) at its extended end.

8. A door lock according to claim 7, characterized in that the pushing element (6) is provided with a limiting groove (18), the lock shell (1) is provided with a limiting block (19) inserted into the limiting groove (18), and when the pushing element (6) slides, the limiting block (19) slides in the limiting groove (18).

9. The door lock according to claim 8, characterized in that the top end of the stopper (19) has a stopper angle (20) extending toward one side, the upper surface of the stopper angle (20) is an oblique angle, and the lower surface of a side wall of the stopper groove (18) opposite to the stopper angle (20) has a slope (21) for cooperating with the stopper angle (20).

10. Clothes dryer characterized in that a door lock according to any of claims 1-9 is used.