CN219316651U - Base structure with safety lock and base-free handle - Google Patents

Abstract

The utility model belongs to the technical field of door and window accessories, and discloses a base structure with a safety lock and a non-base handle, which comprise a base body, a cover plate and a safety lock assembly, wherein the cover plate is arranged on the base body, and the safety lock assembly comprises a rotating sleeve, a moving pin and a reset elastic piece; the rotating sleeve is sleeved on the base body and the cover plate and can rotate relative to the base body; the inner side wall of the rotating sleeve is provided with a convex part protruding inwards, and the convex part stretches into a containing position formed between the base body and the cover plate; the movable pin is arranged in the mounting pin hole of the base body, and when the rotating sleeve rotates, the convex part can push the movable pin to enable one end of the movable pin to be exposed out of the mounting pin hole; the reset elastic piece is sleeved on the moving pin, one end of the reset elastic piece is abutted against a first limiting part arranged on the inner side wall of the mounting pin hole, and the other end of the reset elastic piece is abutted against a second limiting part on the moving pin. The utility model can lock the handle of the handle after the handle rotates in place, thereby eliminating the potential safety hazard existing in the private opening of doors and windows of children.

Description

Base structure with safety lock and base-free handle

Technical Field

The utility model belongs to the technical field of door and window accessories, and particularly relates to a base structure with a safety lock and a base-free handle.

Background

The handle is installed on the door and window fan and has the device of fastening effect after opening and closing concurrently, and current handle is usually divided into to have base handle and no base handle, has the base handle to indicate that the base part is exposed outside, and no base handle indicates that the base part is not exposed outside but is located the handle of handle, and for pleasing to the eye, more people select to install no base handle on the door and window fan, but, current no base handle's handle can't lock after rotating in place, and unlocked handle is opened door and window by children privately easily, has the potential safety hazard.

Accordingly, the prior art is subject to improvement and development.

Disclosure of Invention

The utility model aims to provide a base structure with a safety lock and a base-free handle, which can lock after the handle of the handle rotates in place, so as to eliminate the potential safety hazard of a child in privately opening a door or window.

In a first aspect, the present utility model provides a base structure with a safety lock, including a base body, a cover plate, and a safety lock assembly, wherein the cover plate is disposed on the base body; the safety lock assembly comprises a rotating sleeve, a moving pin and a reset elastic piece;

the rotating sleeve is sleeved on the base body and the cover plate and can rotate relative to the base body; the inner side wall of the rotating sleeve is provided with a convex part protruding inwards, and the convex part stretches into a containing position formed between the base body and the cover plate; the movable pin is arranged in the mounting pin hole of the base body, and when the rotating sleeve rotates, the convex part can push the movable pin to enable one end of the movable pin to be exposed out of the mounting pin hole; the reset elastic piece is sleeved on the moving pin, one end of the reset elastic piece is abutted against a first limiting part arranged on the inner side wall of the mounting pin hole, and the other end of the reset elastic piece is abutted against a second limiting part on the moving pin.

According to the base structure with the safety lock, through the design of the safety lock component, the handle of the handle can be locked after rotating in place, so that potential safety hazards existing in the process of opening doors and windows by children privately are eliminated.

Further, a guiding groove is formed in a region, corresponding to the accommodating position, of the upper surface of the base body, and one end of the protruding portion extends into the guiding groove.

According to the utility model, the guide grooves are arranged in the region of the upper surface of the base body corresponding to the accommodating position to guide the convex parts, so that the convex parts can accurately push the moving pins to move when the rotating sleeve is rotated.

Further, the edge of the base body is provided with a first extending portion extending outwards, the edge of the cover plate is provided with a second extending portion extending outwards, the inner side wall of the rotating sleeve is provided with a boss protruding inwards, and the boss is located between the first extending portion and the second extending portion.

According to the utility model, the first extending part and the second extending part which extend outwards are respectively arranged at the edge of the base body and the edge of the cover plate, so that the first extending part and the second extending part can limit the boss which protrudes inwards and is arranged on the inner side wall of the rotating sleeve, and the protruding part can accurately push the moving pin to move when the rotating sleeve is rotated.

Further, the base body is provided with a through hole and a containing groove communicated with the through hole, a limiting clamping block and an elastic clamping spring matched with the containing groove in shape are arranged in the containing groove, the elastic clamping spring is located in the containing groove, the closed end of the elastic clamping spring is abutted to the outer side wall of the part of the limiting clamping block, and the opening end of the elastic clamping spring can be opened in the containing groove.

Further, the base body is provided with a quick-release opening communicated with the accommodating groove, and the quick-release opening faces the opening end of the elastic clamp spring.

Further, a limiting block is arranged on one surface, close to the base body, of the cover plate, and the limiting block abuts against the elastic clamp spring.

Further, the base structure with the safety lock further comprises a shaft sleeve, the shaft sleeve is located in the through hole, one end, close to the accommodating groove, of the shaft sleeve is provided with a limiting arc-shaped block, the limiting arc-shaped block is located in the accommodating groove, and two ends of the limiting arc-shaped block are respectively abutted to two opposite inner side walls of the elastic clamp spring.

Further, a positioning groove is formed in the inner side wall of the through hole, a positioning protruding block is arranged on the outer side wall of the shaft sleeve, and the positioning protruding block is located in the positioning groove.

Further, a positioning hole is formed in one surface, close to the cover plate, of the base body, a positioning pin is arranged on one surface, close to the base body, of the cover plate, and the positioning pin is located in the positioning hole.

In a second aspect, the present utility model provides a non-base handle, including the base structure with a safety lock of the first aspect.

According to the base structure with the safety lock and the non-base handle, through the design of the safety lock component, the handle of the handle can be locked after rotating in place, so that potential safety hazards existing in the process that children privately open doors and windows are eliminated.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

Fig. 1 is a schematic structural view of a base structure with a safety lock according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a base structure with a safety lock according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of an elastic snap spring in a receiving groove according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a base structure with a safety lock according to an embodiment of the present utility model.

Description of the reference numerals: 1. a base body; 11. mounting pin holes; 111. a first limit part; 12. a guide groove; 13. a first extension; 14. a through hole; 141. a positioning groove; 15. a receiving groove; 151. a limit clamping block; 152. an elastic clamp spring; 16. a quick-release port; 17. positioning holes; 2. a cover plate; 21. a second extension; 22. a limiting block; 23. a positioning pin; 3. a rotating sleeve; 31. a convex portion; 32. a boss; 4. a moving pin; 41. a second limit part; 5. a return elastic member; 6. rong Zhiwei; 7. a shaft sleeve; 71. limiting arc blocks; 72. and positioning the protruding blocks.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In a first aspect, as shown in fig. 1 and 2, a base structure with a safety lock of the present utility model includes a base body 1, a cover plate 2, and a safety lock assembly. The cover plate 2 is provided on the base body 1. The safety lock assembly comprises a rotating sleeve 3, a moving pin 4 and a reset elastic piece 5. The rotating sleeve 3 is sleeved on the base body 1 and the cover plate 2 and can rotate relative to the base body 1. The inner side wall of the rotating sleeve 3 is provided with an inwardly protruding part 31, and the protruding part 31 extends into a containing position 6 formed between the base body 1 and the cover plate 2. The moving pin 4 is disposed in the mounting pin hole 11 of the base body 1, and when the rotating sleeve 3 rotates, the protrusion 31 can push the moving pin 4 so that one end thereof is exposed to the mounting pin hole 11. The reset elastic member 5 is sleeved on the moving pin 4, one end of the reset elastic member is abutted against a first limiting part 111 arranged on the inner side wall of the mounting pin hole 11, and the other end of the reset elastic member is abutted against a second limiting part 41 on the moving pin 4.

In specific application, the handle of handle has the cavity with the shape looks adaptation of the base structure of taking the safety lock, the base structure of taking the safety lock is installed on the door and window fan, pivot on the handle passes the base structure of taking the safety lock, make the base structure of taking the safety lock be located the cavity, be equipped with the patchhole on the lateral wall that cavity and removal round pin 4 are relative, after the handle rotates in place, rotate the cover 3 and drive the boss 31 rotation, along with boss 31 constantly rotates, boss 31 promotes removal round pin 4 and makes its one end expose in mounting pinhole 11, and stretch into the patchhole, lock the handle, make the handle can not rotate, at this moment, reset elastic component 5 is compressed, when need releasing the lock to the handle, reverse rotation cover 3, make boss 31 no longer promote removal round pin 4, compressed reset elastic component 5 is to resume uncompressed state, the elasticity of reset elastic component 5 drives removal round pin 4 to keeping away from the patchhole direction, make the one end of removal round pin 4 no longer stretch into patchhole, realize the handle and release the lock.

Through this technical scheme for can lock after the handle of handle rotates in place, eliminate children and privately open the potential safety hazard that door and window exists.

Specifically, the return elastic member 5 may be a spring.

As shown in fig. 3 and 4, in some preferred embodiments, a guide groove 12 is provided on the upper surface of the base body 1 in a region corresponding to the accommodating portion 6, and one end of the protrusion 31 protrudes into the guide groove 12. In a specific application, the protrusion 31 can be guided by providing the guide groove 12 in the region corresponding to the accommodating position 6 on the upper surface of the base body 1, so that the protrusion 31 can precisely push the moving pin 4 to move when the rotating sleeve 3 rotates.

In some preferred embodiments, as shown in fig. 2, the edge of the base body 1 has a first extension portion 13 extending outwards, the edge of the cover plate 2 has a second extension portion 21 extending outwards, and the inner sidewall of the rotating sleeve 3 is provided with a boss 32 protruding inwards, and the boss 32 is located between the first extension portion 13 and the second extension portion 21. In a specific application, the first extension part 13 and the second extension part 21 extending outwards are respectively arranged at the edge of the base body 1 and the edge of the cover plate 2, so that the first extension part 13 and the second extension part 21 not only can limit the boss 32 protruding inwards and arranged on the inner side wall of the rotating sleeve 3, but also can enable the base body 1, the cover plate 2 and the rotating sleeve 3 to be coaxial, and therefore the protruding part 31 can accurately push the moving pin 4 to move when the rotating sleeve 3 is rotated.

As shown in fig. 3 and 4, in some preferred embodiments, the base body 1 has a through hole 14 and a receiving groove 15 communicating with the through hole 14, a limiting clamping block 151 and an elastic clamping spring 152 matching the shape of the receiving groove 15 are disposed in the receiving groove 15, the elastic clamping spring 152 is located in the receiving groove 15, a closed end of the elastic clamping spring 152 abuts against a part of an outer side wall of the limiting clamping block 151, and an open end of the elastic clamping spring 152 can be opened in the receiving groove 15. In specific application, the outer side wall of the rotating shaft of the handle is provided with a clamping groove matched with the elastic clamp spring 152, when the rotating shaft passes through the through hole 14, the elastic clamp spring 152 is opened under the action of the rotating shaft (namely, the opening end of the elastic clamp spring 152 is opened in the accommodating groove 15), after the rotating shaft is inserted in place, the elastic clamp spring 152 corresponds to the clamping groove, the rotating shaft does not continuously open the elastic clamp spring 152 any more, the opening end of the elastic clamp spring 152 is closed under the action of the elastic force of the elastic clamp spring 152, so that the elastic clamp spring 152 is clamped in the clamping groove, the connection between the base structure and the handle is realized, and the device is simple in assembly and firm in connection.

As shown in fig. 3, in some preferred embodiments, the base body 1 has a quick release opening 16 in communication with the accommodating groove 15, and the quick release opening 16 faces the open end of the elastic clip 152. In a specific application, the quick-release opening 16 is arranged at the position facing the opening end of the elastic clamp spring 152 on the base body 1, so that when the base structure is connected or detached from the handle, a columnar tool can be used for stretching into the accommodating groove 15 from the quick-release opening 16 to prop open the opening end of the elastic clamp spring 152, so that the rotating shaft of the handle and the base structure can be quickly connected and fixed or quickly detached and separated.

As shown in fig. 4, in some preferred embodiments, a stopper 22 is disposed on a surface of the cover 2 near the base body 1, and the stopper 22 abuts against the elastic snap spring 152. In the specific application, the limit block 22 is arranged on one surface, close to the base body 1, of the cover plate 2, so that the limit block 22 is matched with the accommodating groove 15 to limit the elastic clamp spring 152 in the axial direction of the through hole 14, and the condition that the handle is loose after being connected with the base structure is avoided.

As shown in fig. 3 and 4, in some preferred embodiments, the base structure with a safety lock further includes a shaft sleeve 7, the shaft sleeve 7 is located in the through hole 14, one end of the shaft sleeve 7, which is close to the accommodating groove 15, is provided with a limiting arc block 71, the limiting arc block 71 is located in the accommodating groove 15, and two ends of the limiting arc block 71 respectively abut against two opposite inner side walls of the elastic snap spring 152. In a specific application, the limiting arc block 71 on the shaft sleeve 7 is matched with the side wall of the accommodating groove 15 to further limit the elastic clamp spring 152 in the radial direction of the through hole 14, so that the elastic clamp spring 152 is not easy to shift, and the rotating shaft of the handle can be accurately clamped in the clamping groove on the outer side wall of the rotating shaft when passing through the through hole 14, so that firm connection is ensured; in addition, the shaft sleeve 7 can play a guiding role on the rotating shaft when the rotating shaft of the handle passes through the through hole 14, so as to ensure that the rotating shaft is accurately inserted into the base structure.

In some preferred embodiments, as shown in fig. 4, the inner side wall of the through hole 14 is provided with a positioning groove 141, and the outer side wall of the sleeve 7 is provided with a positioning protrusion 72, and the positioning protrusion 72 is located in the positioning groove 141. In a specific application, the positioning groove 141 and the positioning projection 72 with a shape matching with the positioning groove 141 are respectively arranged on the inner side wall of the through hole 14 and the outer side wall of the shaft sleeve 7, so that the shaft sleeve 7 can be quickly installed at a preset position in the through hole 14, and the assembly speed is improved.

In some preferred embodiments, as shown in fig. 4, the surface of the base body 1 near the cover plate 2 is provided with a positioning hole 17, and the surface of the cover plate 2 near the base body 1 is provided with a positioning pin 23, where the positioning pin 23 is located in the positioning hole 17. In a specific application, the positioning holes 17 and the positioning pins 23 matched with the shapes of the positioning holes 17 are respectively arranged on one surface of the base body 1 close to the cover plate 2 and one surface of the cover plate 2 close to the base body 1, so that the cover plate 2 can be conveniently and rapidly installed at the preset position of the base body 1. Specifically, the number of the positioning holes 17 and the positioning pins 23 is two, and the two positioning holes 17 and the two positioning pins 23 are respectively disposed at two sides of the through hole 14.

In a second aspect, the present utility model provides a non-base handle, including the base structure with a safety lock of the first aspect.

In summary, the base structure with the safety lock and the non-base handle can lock after the handle of the handle rotates in place through the design of the safety lock assembly, so that potential safety hazards existing in the process of opening doors and windows by children privately are eliminated.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. The base structure with the safety lock comprises a base body and a cover plate, wherein the cover plate is arranged on the base body; the safety lock assembly comprises a rotating sleeve, a moving pin and a reset elastic piece;

the rotating sleeve is sleeved on the base body and the cover plate and can rotate relative to the base body; the inner side wall of the rotating sleeve is provided with a convex part protruding inwards, and the convex part stretches into a containing position formed between the base body and the cover plate; the movable pin is arranged in the mounting pin hole of the base body, and when the rotating sleeve rotates, the convex part can push the movable pin to enable one end of the movable pin to be exposed out of the mounting pin hole; the reset elastic piece is sleeved on the moving pin, one end of the reset elastic piece is abutted against a first limiting part arranged on the inner side wall of the mounting pin hole, and the other end of the reset elastic piece is abutted against a second limiting part on the moving pin.

2. The base structure with safety lock according to claim 1, wherein a guide groove is provided in a region of the upper surface of the base body corresponding to the accommodation site, and one end of the protrusion protrudes into the guide groove.

3. The base structure with safety lock according to claim 1, wherein the edge of the base body has a first extension extending outwardly, the edge of the cover plate has a second extension extending outwardly, and the inner sidewall of the rotating sleeve is provided with an inwardly protruding boss located between the first extension and the second extension.

4. The base structure with the safety lock according to claim 1, wherein the base body is provided with a through hole and a containing groove communicated with the through hole, a limiting clamping block and an elastic clamping spring matched with the containing groove in shape are arranged in the containing groove, the elastic clamping spring is located in the containing groove, the closed end of the elastic clamping spring is abutted against part of the outer side wall of the limiting clamping block, and the opening end of the elastic clamping spring can be opened in the containing groove.

5. The base structure with safety lock according to claim 4, wherein the base body has a quick-release opening communicating with the accommodation groove, the quick-release opening facing the open end of the elastic snap spring.

6. The base structure with the safety lock according to claim 4, wherein a limiting block is arranged on one surface, close to the base body, of the cover plate, and the limiting block abuts against the elastic clamp spring.

7. The base structure with the safety lock according to claim 4, further comprising a shaft sleeve, wherein the shaft sleeve is located in the through hole, one end, close to the accommodating groove, of the shaft sleeve is provided with a limiting arc-shaped block, the limiting arc-shaped block is located in the accommodating groove, and two ends of the limiting arc-shaped block are respectively abutted against two opposite inner side walls of the elastic snap spring.

8. The base structure with safety lock according to claim 7, wherein the inner side wall of the through hole is provided with a positioning groove, the outer side wall of the shaft sleeve is provided with a positioning lug, and the positioning lug is positioned in the positioning groove.

9. The base structure with the safety lock according to claim 1, wherein a positioning hole is formed in a surface of the base body, which is close to the cover plate, and a positioning pin is formed in a surface of the cover plate, which is close to the base body, and the positioning pin is located in the positioning hole.

10. An unbase handle comprising the base structure with a safety lock according to any one of claims 1 to 9.

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