CN211258178U

CN211258178U - Safety lock catch

Info

Publication number: CN211258178U
Application number: CN201921179543.9U
Authority: CN
Inventors: 梁展鹏
Original assignee: Guangzhou Xingman Infant Products Co ltd
Current assignee: Guangzhou Xingman Infant Products Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-08-14
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a safety lock catch, including base and shell, this shell can be installed on the base with rotating, one side of this shell extends outwards and forms the outside department of keeping out of the base, can install elastic component and at least one button on this shell with sliding, the opening has been seted up to the lateral wall of this shell, the first end of button has the splenium of pressing that stretches out from this opening, the first end of elastic component and the interior wall connection of shell, the second end of elastic component is connected with the second end of button, one of them person between button and the base is equipped with spacing arch, another person is equipped with and can dismantle the spacing recess of complex with spacing arch, when the elastic component is in the state of stretching naturally, spacing arch and spacing recess cooperation, so that the shell is fixed on the base, press to hold between the fingers and press the splenium to make the elastic component compression and make spacing arch and spacing recess break away from the cooperation. This safety lock catch can avoid children to open at will, can improve the security, and it is more convenient to use moreover.

Description

Safety lock catch

Technical Field

The utility model relates to a lock technical field especially relates to a safety lock catch.

Background

Cabinets, ovens, refrigerators and the like are furniture commonly used in daily life and generally comprise a body having a base and a door panel hinged to the body and adapted to be fastened to an opening of the base. In practice, children aged 1 to 3 often have curiosity about life, and can often pull open door panels of cabinets, ovens or refrigerators and the like to turn over articles inside the cabinets, the ovens or the refrigerators and the like, so that the articles inside the cabinets, the ovens or the refrigerators and the like are turned over disorderly and the parents have to pick up the articles again, and the children are easily collided during the process of turning over the door panels, so that the children are injured.

In order to prevent children from randomly opening the door panel, the door panel of the cabinet is generally provided with a cabinet door lock, but most of the cabinet door locks in the prior art are locked by keys, when the cabinet door locks are locked, the keys need to be pulled out, and the keys are easy to lose when the keys are pulled out, so that articles in the cabinet door cannot be taken out, and the problem of inconvenience in use exists.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a safety lock catch which can be prevented from being opened by children at will, thereby improving the safety and being more convenient to use.

The purpose of the utility model is realized by adopting the following technical scheme:

the safety lock catch comprises a base and a shell, the shell can be rotatably arranged on the base, so that the shell can rotate relative to the base, one side of the shell extends outwards to form a resisting part extending out of the base, the shell is slidably provided with an elastic piece and at least one key, the first end of the key extends towards the side wall of the shell and forms a pressing part, the first end of the elastic piece is connected with the inner wall of the shell, the second end of the elastic piece is connected with the second end of the key, one of the key and the base is provided with a limit bulge, the other is provided with a limit groove which is detachably matched with the limit bulge, when the elastic piece is in a natural stretching state, the limiting protrusion is matched with the limiting groove, and the pressing part is pressed to compress the elastic piece so that the limiting protrusion and the limiting groove are separated from matching.

Safety lock, including base and shell, elastic component and two relative buttons that set up, the shell can install with rotating on the base, one side of shell extends outwards and forms and stretches out the outer department of resist of base, can be equipped with two buttons on the shell with sliding and locate the elastic component between two buttons, the first end orientation of button the lateral wall of shell stretches out and forms and presses the splenium, the button with one of them is equipped with spacing arch between the two of base, the other be equipped with spacing arch can dismantle the spacing recess of complex, when the elastic component is in the state of naturally stretching, spacing arch with spacing recess cooperation is pressed to be held between the fingers press the splenium to make the elastic component compression and make spacing arch and spacing recess break away from the cooperation.

Furthermore, the inner wall of shell is equipped with two deflector that set up relatively, two enclose between the deflector and close and form first guide way, press the splenium towards the inside extension of shell forms can with first guide way sliding fit's guide part.

Furthermore, the inner wall of the shell is also provided with a first limiting plate, the key is provided with a second limiting plate opposite to the first limiting plate, one end of the elastic element is connected with the first limiting plate, and the other end of the elastic element is connected with the second limiting plate.

Furthermore, the first limiting plate is provided with a first limiting groove, the second limiting plate is provided with a second limiting groove opposite to the first limiting groove, one end of the elastic piece is inserted into the first limiting groove, and the other end of the elastic piece is inserted into the second limiting groove.

Further, the safety lock catch further comprises a supporting bottom plate, an annular groove is formed in the outer wall surface of the base, a rotating ring is rotatably mounted on the annular groove, the supporting bottom plate is connected with the rotating ring, and the supporting bottom plate is located at the bottom of the blocking portion and connected with the blocking portion.

Further, the side wall of the base is hinged with a side plate, so that the side plate can be turned towards the direction close to the base or towards the direction far away from the base.

Furthermore, the side plate is close to one side of the base and the bottom surface of the base are both provided with double-sided stickers.

Further, a guide piece is arranged on the inner wall of the shell, a guide cylinder is arranged in the base, a stepped hole communicated with a central hole of the guide cylinder is formed in the bottom wall of the base, the aperture of the upper end of the stepped hole is smaller than that of the lower end of the stepped hole, the aperture of the upper end of the stepped hole is smaller than that of the central hole of the guide cylinder, the guide piece is matched with the central hole of the guide cylinder, the free end of the guide piece is provided with a head portion extending to the lower end of the stepped hole, and the outer diameter of the head portion is smaller than that of the upper end of the stepped hole.

Further, the guide piece includes guide post and screw, the one end of guide post with the shell is connected, the other end of guide post with the centre bore cooperation of guide cylinder, the head is the head of screw, the afterbody of screw with the other end fixed connection of guide post.

Further, the top surface of base extends upwards and forms the guide ring, the bottom of shell seted up can with guide ring sliding fit's second guide way.

Compared with the prior art, the beneficial effects of the utility model reside in that:

because this safety lock catch's unlocking structure is by the button, the elastic component combines and constitutes with the cooperation of base, young children can't make out the power that can open this unlocking structure because the strength is less, therefore, the safety lock catch of this kind of structure can avoid children to open the door plant at will well, can improve the security, in addition, because the department of keeping out belongs to a part of shell, this shell rotates with the base again and links together, the unblock back, also can make the shell hang on the base, avoid knowing the easy problem of losing of accessory in the locking structure, it is more convenient to use.

Drawings

Fig. 1 is a schematic perspective view of the safety lock of the present invention;

FIG. 2 is a schematic view of the internal structure of the safety catch shown in FIG. 1;

FIG. 3 is an exploded view of the safety catch of FIG. 1;

fig. 4 is a schematic view showing the internal structure of the housing in the safety latch of fig. 3, wherein the elastic member and the push button are shown for the sake of understanding.

In the figure: 1. a base; 11. a guide cylinder; 12. a guide ring; 13. a rotating ring; 121. a limiting groove; 2. a housing; 21. a resisting part; 211. a first buckle; 22. a guide plate; 23. a first limit plate; 231. a first limit groove; 24. a guide post; 25. a second guide groove; 3. a spring; 4. pressing a key; 41. a pressing part; 42. a guide portion; 43. a limiting bulge; 44. a second limiting plate; 441. a second limit groove; 5. a support base plate; 51. a second buckle; 6. a side plate; 7. a pin shaft; 8. a first double-sided tape; 9. a second double-sided sticker; 10. and (4) screws.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-3, a safety lock according to a first embodiment of the present invention is shown, the safety lock includes a base 1 and a housing 2, the housing 2 is rotatably mounted on the base 1, so that the housing 2 can rotate relative to the base 1, one side of the housing 2 extends outwards to form a resisting portion 21 extending out of the base 1, the resisting portion 21 can be used for contacting with an external article, an elastic member and at least one key 4 are slidably mounted on the housing 2, preferably, the elastic member can be a spring 3 as shown in fig. 3, or an elastic rubber tube made of elastic rubber material, as long as the elastic support can be provided for the key 4, the side wall of the housing 2 is opened, the first end of the key 4 has a pressing portion 41 extending out from the opening, the first end of the elastic member is connected with the inner wall of the housing 2, the second end of elastic component is connected with the second end of button 4, one of them is equipped with spacing arch in button 4 and the base 1 two, another is equipped with can dismantle the spacing recess of complex with spacing arch, when the elastic component is in the nature state of stretching, spacing arch and spacing recess cooperation, so that shell 2 fixes on base 1, avoid shell 2 to rotate at will, press to hold between the fingers and press splenium 41 to make the elastic component compression and make spacing arch and spacing recess break away from the cooperation, rotate shell 2 after that and can make this shell 2 rotate for base 1, so that stop 21 switching position.

The utility model discloses a safety lock of second embodiment can adopt following technical scheme to realize, compares with first embodiment, and this safety lock of second embodiment has following difference point: can be equipped with two buttons 4 and locate the elastic component between two buttons 4 on the shell 2 with sliding, through set up two buttons 4 on shell 2, when more conveniently pressing the operation, owing to there are two pairs of spacing archs 43 and spacing recess 121 cooperation, consequently still can increase the joint strength between this button 4 and the base 1, make the fixed connection between shell 2 and the base 1 more reliable.

When the safety lock catch of the utility model is used, the base 1 can be fixedly arranged on any one of the shell and the door plate of the articles such as a cabinet, a refrigerator, an oven, a window and the like, and the stopping part 21 can be ensured to extend out of the other one of the shell and the door plate, when the door panel needs to be locked, the elastic piece is compressed by pressing the pressing part 41 to make the limiting bulge and the limiting groove disengaged, then the shell 2 is rotated to drive the resisting part 21 to rotate to the position resisting against the shell or the door plate, the pressing action to the key 4 is released, the door panel can be reliably buckled on the opening of the shell, when the door panel needs to be opened, the elastic piece is compressed by pressing the pressing part 41 to ensure that the limiting bulge is disengaged from the limiting groove, then, the housing 2 is rotated to drive the resisting portion 21 to rotate to a position where the door panel is not interfered to be opened, so that the door panel can be freely opened.

Because this safety lock's unlocking structure is by button 4, the elastic component combines and constitutes with base 1's cooperation, young children can't make out the power that can open this unlocking structure because the strength is less, consequently, the safety lock of this kind of structure can avoid children to open the door plant at will well, can improve the security, in addition, because department 21 that keeps out belongs to shell 2 is partly, this shell 2 rotates with base 1 again and links together, the unblock back, also can make shell 2 hang on base 1, avoid knowing the problem that the accessory in the locking structure is lost easily, it is more convenient to use.

In a preferred embodiment, the base 1 is provided with the above-mentioned position-limiting groove 121, and the push button 4 is provided with the above-mentioned position-limiting protrusion 43.

As shown in fig. 4, the housing 2 is a hollow structure, the inner wall of the housing 2 is fixedly provided with two guide plates 22 which are arranged oppositely, a first guide groove is formed between the two guide plates 22 in a surrounding manner, and the pressing portion 41 extends towards the inside of the housing 2 to form a guide portion 42 which can be in sliding fit with the first guide groove, so that the function of guiding and positioning the key 4 can be achieved, the key 4 can slide more smoothly, and the operation is more convenient.

As a preferred embodiment, the inner wall of the housing 2 is further provided with a first limiting plate 23, the button 4 is provided with a second limiting plate 44 opposite to the first limiting plate 23, one end of the elastic member is connected with the first limiting plate 23, and the other end of the elastic member is connected with the second limiting plate 44.

In a preferred embodiment, the first position-limiting plate 23 has a first position-limiting groove 231, the second position-limiting plate 44 has a second position-limiting groove 441 opposite to the first position-limiting groove 231, one end of the elastic element is inserted into the first position-limiting groove 231, and the other end of the elastic element is inserted into the second position-limiting groove 441.

As the preferred embodiment, this safety lock catch still includes supporting baseplate 5, the annular groove has been seted up to the outer wall of base 1, can install swivel 13 on the annular groove with rotating, supporting baseplate 5 and swivel 13 fixed connection, supporting baseplate 5 is located the bottom of department of resist 21 and is connected with department of resist 21, so that supporting baseplate 5 can follow shell 2 and rotate, through making supporting baseplate 5 set firmly in the bottom of department of resist 21, can play the effect of strengthening the joint strength between base 1 and shell 2, thereby improve the bulk strength of this safety lock catch.

As a preferred embodiment, a first buckle 211 is fixedly arranged on the top surface of the supporting bottom plate 5, and a second buckle 51 detachably matched with the first buckle 211 is fixedly arranged on the bottom of the resisting part 21, so that the supporting bottom plate 5 and the shell 2 can be quickly installed in a buckling connection mode.

As a preferred embodiment, the side wall of the base 1 is hinged with a side plate 6 through a pin 7, so that the side plate 6 can be turned over towards the direction close to the base 1 or towards the direction far away from the base 1, and when the base is installed, the side plate 6 and the base 1 can be fixed with an external article at the same time, and the advantage of the arrangement is that: increased area of contact between this safety lock catch and the article of installing this safety lock catch on the one hand for this safety lock catch's installation is more reliable, and on the other hand because curb plate 6 is articulated to be in the same place with base 1's lateral wall, during the installation, can come the position relation between nimble adjustment curb plate 6 and the base 1 according to actual article's actual structure, and application scope is wider, and it is more convenient to use.

As a preferred embodiment, a first double-sided tape 8 is pasted on the bottom surface of the base 1, and a second double-sided tape 9 is pasted on the side of the side plate 6 close to the base 1, so that during installation, the quick installation of the safety lock catch can be realized by tearing the top surface protection layers of the first double-sided tape 8 and the second double-sided tape 9, and the installation is more convenient.

In order to realize the rotary connection between the shell 2 and the base 1, a guide piece is fixedly arranged on the inner wall of the shell 2, a guide cylinder 11 is arranged in the base 1, a stepped hole communicated with a central hole of the guide cylinder 11 is formed in the bottom wall of the base 1, the upper end aperture of the stepped hole is smaller than the lower end aperture of the stepped hole, the upper end aperture of the stepped hole is smaller than the central hole aperture of the guide cylinder 11, the guide piece is matched with the central hole of the guide cylinder 11, the free end of the guide piece is provided with a head part extending to the lower end of the stepped hole, and the outer diameter of the head part is smaller than the upper end.

Further, the guide member comprises a guide post 24 and a screw 10, one end of the guide post 24 is fixedly connected with the housing 2, the other end of the guide post 24 is matched with the central hole of the guide cylinder 11, the head of the screw 10 is the head of the screw, and the tail of the screw 10 is fixedly connected with the other end of the guide post 24.

As a preferred embodiment, the top surface of the base 1 extends upward to form a guide ring 12, and the bottom of the housing 2 is provided with a second guide groove 25 capable of slidably fitting with the guide ring 12, so as to perform guiding and positioning functions, so that the rotation of the housing 2 is smoother.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The safety lock catch is characterized by comprising a base and a shell, wherein the shell can be rotatably arranged on the base, so that the shell can rotate relative to the base, one side of the shell extends outwards to form a resisting part extending out of the base, the shell is slidably provided with an elastic piece and at least one key, the first end of the key extends towards the side wall of the shell and forms a pressing part, the first end of the elastic piece is connected with the inner wall of the shell, the second end of the elastic piece is connected with the second end of the key, one of the key and the base is provided with a limit bulge, the other is provided with a limit groove which is detachably matched with the limit bulge, when the elastic piece is in a natural stretching state, the limiting protrusion is matched with the limiting groove, and the pressing part is pressed to compress the elastic piece so that the limiting protrusion and the limiting groove are separated from matching.

2. A safety catch according to claim 1, wherein the inner wall of the housing further comprises a first limiting plate, the button further comprises a second limiting plate disposed opposite to the first limiting plate, one end of the elastic member is connected to the first limiting plate, and the other end of the elastic member is connected to the second limiting plate.

3. The safety latch according to claim 2, wherein the first position-limiting plate defines a first position-limiting groove, the second position-limiting plate defines a second position-limiting groove opposite to the first position-limiting groove, one end of the elastic member is inserted into the first position-limiting groove, and the other end of the elastic member is inserted into the second position-limiting groove.

4. Safety lock catch, its characterized in that, including base and shell, elastic component and two buttons that set up relatively, the shell can install with rotating on the base, one side of shell extends outwards and forms and stretches out the outer department of resisting of base, can be equipped with two buttons on the shell with sliding and locate the elastic component between two buttons, the first end orientation of button the lateral wall of shell stretches out and forms and presses the splenium, the button with one of them is equipped with spacing arch among them of base, the other be equipped with spacing protruding spacing recess of dismantling the complex, when the elastic component is in the nature state of stretching, spacing arch with spacing recess cooperation is pressed to be held between the fingers press the splenium to make the elastic component compression and make spacing arch and spacing recess break away from the cooperation.

5. A safety catch according to claim 1 or 4, wherein the inner wall of the housing is provided with two oppositely arranged guide plates, a first guide groove is defined between the two guide plates, and the pressing portion extends towards the inside of the housing to form a guide portion capable of slidably fitting with the first guide groove.

6. A safety catch according to claim 1 or 4, further comprising a supporting bottom plate, wherein an annular groove is formed in an outer wall surface of the base, a rotating ring is rotatably mounted on the annular groove, the supporting bottom plate is connected to the rotating ring, and the supporting bottom plate is located at the bottom of the blocking portion and connected to the blocking portion.

7. A safety catch according to claim 1 or claim 4, wherein the side walls of the base are further hinged with side panels to enable the side panels to be folded towards the base or away from the base.

8. A safety catch according to claim 7, wherein the side plate is provided with a double-sided sticker on both the side adjacent to the base and the bottom surface of the base.

9. A safety catch according to claim 1 or 4, wherein a guide member is provided on the inner wall of the housing, a guide cylinder is provided in the base, a stepped hole communicating with the central hole of the guide cylinder is provided in the bottom wall of the base, the upper end of the stepped hole has a smaller diameter than the lower end, the upper end of the stepped hole has a smaller diameter than the central hole of the guide cylinder, the guide member is engaged with the central hole of the guide cylinder, and the free end of the guide member has a head portion extending to the lower end of the stepped hole, the head portion having a smaller outer diameter than the upper end of the stepped hole.

10. A safety catch according to claim 1 or 4, wherein the top surface of the base extends upwardly to form a guide ring, and the bottom of the housing defines a second guide slot slidably engaged with the guide ring.