CN210316889U

CN210316889U - Limiting mechanism

Info

Publication number: CN210316889U
Application number: CN201920807442.5U
Authority: CN
Inventors: 王艳; 赵秦川; 祝鹏辉
Original assignee: Shaanxi Xinjiang Morning Information Technology Co ltd
Current assignee: Shaanxi Xinjiang Morning Information Technology Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-14
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a stop gear, include: the limiting groove and the guide groove are arranged on the reciprocating motion piece, the limiting block is matched with the limiting groove, and the guide strip is matched with the guide groove; the reciprocating motion piece, the limiting block and the guide strip are arranged in the same cavity; the guide strip is formed by extending from the cavity bottom of the cavity to the bottom direction of the guide groove; a mounting part extends from the cavity bottom along the thickness direction of the reciprocating element and is positioned at the side of the reciprocating element; the stopper includes the block, from the block to spacing portion of spacing inslot cavity sharp extension, installs the block on the installation department, and part block is located the top of spacing groove along the thickness direction, and spacing portion can be at spacing inslot reciprocating motion. The utility model discloses a common motion of restriction reciprocating motion piece of spacing subassembly and direction subassembly because spacing groove and guide way are seted up on reciprocating motion piece, have reduced stop gear's occupation space greatly.

Description

Limiting mechanism

Technical Field

The utility model relates to an electronic pickproof lock field especially relates to a stop gear.

Background

The existing electronic anti-theft lock adopts a lock tongue to move back and forth or up and down and is connected with a lock lug on a door frame to realize locking. Because only one motor drives the lock tongue to move back and forth, a limiting mechanism is required to be arranged in the electronic anti-theft lock to limit the farthest distance of the movement of the lock tongue.

Along with the miniaturization trend of electronic anti-theft locks, a limiting mechanism with a simple structure and a small occupied space needs to be designed so as to meet the requirements of the electronic anti-theft locks.

Disclosure of Invention

The utility model provides a stop gear through the motion of spacing subassembly and the common restriction reciprocating motion piece of direction subassembly, because spacing groove and guide way are seted up on reciprocating motion piece, has reduced stop gear's occupation space greatly.

Realize the utility model discloses the technical scheme of purpose as follows:

a spacing mechanism comprising: the limiting device comprises a limiting groove and a guide groove which are arranged on a reciprocating piece, a limiting block matched with the limiting groove and a guide strip matched with the guide groove, wherein the opening of the limiting groove and the opening of the guide groove face opposite directions;

the reciprocating piece, the limiting block and the guide strip are arranged in the same cavity;

the guide strip is formed by extending from the cavity bottom of the cavity to the bottom direction of the guide groove;

a mounting part extends from the cavity bottom along the thickness direction of the reciprocating element and is positioned at the side of the reciprocating element;

the stopper includes the block, from the block to spacing inslot cavity straight line extension's spacing portion, install the block on the installation department, part the block is located the top of spacing groove along thickness direction, spacing portion can be at spacing inslot reciprocating motion. The utility model discloses a cooperation of spacing groove and stopper realizes the maximum displacement of reciprocating motion piece motion (restriction reciprocating motion piece length direction's displacement promptly), through the cooperation of gib block and guide way, the displacement of width direction when restriction reciprocating motion piece moves along its length direction, and stop gear restricts length direction and width direction's degree of freedom for reciprocating motion piece is along setting for the route motion.

As a further improvement of the utility model, the groove width of the limiting groove is far less than that of the guide groove. The utility model discloses widen the guide way width purpose reinforcing direction effect.

As a further improvement, the guide groove is formed in the side where the reciprocating member is tightly attached to the edge, and the guide groove is opened on both sides so that the guide strip is embedded into the guide groove along the upward part of the reciprocating member in the thickness direction.

As a further improvement of the present invention, when the reciprocating member extends to the outside of the cavity, the guide groove and the limit groove are still in the inside of the cavity. The utility model discloses a inside guide way and spacing groove were in the cavity all the time, avoided the pollution of guide way and spacing groove, guaranteed the normal work after stop gear used for a long time.

As a further improvement, the reciprocating member, the limiting block and the guide strip are all located in the inner cavity of the housing, the side wall of the housing is provided with a through groove for the reciprocating member to extend out, and the size of the through groove is slightly larger than that of the reciprocating member. The utility model discloses lead to groove on the shell also can restrict reciprocating motion spare width direction and direction of height's displacement, realizes reciprocating motion spare at thickness, width and length direction's motion through the cooperation that leads to groove, spacing groove and guide way.

As a further improvement of the present invention, the reciprocating member is a lock tongue, the housing is a second lock housing, and the lock tongue extends out of the side wall of the second lock housing to enter the cavity of the first lock housing to close the lock.

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

the utility model discloses a common motion of restriction reciprocating motion piece of spacing subassembly and direction subassembly because spacing groove and guide way are seted up on reciprocating motion piece, have reduced stop gear's occupation space greatly.

Drawings

FIG. 1 is a schematic structural view of a limiting mechanism mounted on a housing;

FIG. 2 is a schematic view of the structure of the shuttle;

fig. 3 is a schematic structural view of the housing.

In the figure, 21, the housing; 211. a cavity; 212. a through groove; 213. a first protrusion; 214. a second protrusion; 215. a base station; 216. a guide strip; 22. a cover body; 24. a reciprocating member; 241. a first square body; 242. a second square body; 243. a rack; 244. a limiting groove; 245. a guide groove; 25. and a limiting block.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

in order to reduce the occupied space of the limiting mechanism as much as possible, the present embodiment provides a limiting mechanism as shown in fig. 1, including: a limit groove 244 and a guide groove 245 provided on the reciprocating member 24, a limit block 25 engaged with the limit groove 244, and a guide bar 216 engaged with the guide groove 245, the opening of the limit groove 244 being in the opposite direction to the opening of the guide groove 245; the reciprocating piece 24, the limiting block 25 and the guide strip 216 are arranged in the same cavity 211; the guide bars 216 are formed to extend from the bottom of the cavity 211 to the bottom of the guide slots 245; a mounting portion extending from the cavity bottom in the thickness direction of the reciprocator 24, the mounting portion being located at the side of the reciprocator 24; the stopper 25 includes the block, from the block to the spacing portion of spacing groove 244 inner chamber straight line extension, installs the block on the installation department, and part block is located spacing groove 244 along the top of thickness direction, and spacing portion can be at spacing inslot 244 reciprocating motion. In the present embodiment, the maximum displacement of the reciprocating member 24 (i.e. the displacement of the reciprocating member 24 in the length direction is limited) is realized by the cooperation of the limiting groove 244 and the limiting block 25, the displacement of the reciprocating member 24 in the width direction is limited by the cooperation of the guide strip 216 and the guide groove 245 when the reciprocating member 24 moves in the length direction, and the limiting mechanism limits the degrees of freedom in the length direction and the width direction, so that the reciprocating member 24 moves along the set route.

In the present embodiment, the reciprocating member 24, the limiting block 25 and the guiding bar 216 are all located in the inner cavity of the housing 21, a through slot 212 for the reciprocating member 24 to extend out is provided on the side wall of the housing 21, and the size of the through slot 212 is slightly larger than that of the reciprocating member 24. The through slot 212 of the housing 21 of this embodiment can also limit the displacement of the reciprocating member 24 in the width direction and the height direction, and the through slot 212, the limiting slot 244 and the guiding slot 245 cooperate to realize the movement of the reciprocating member 24 in the thickness direction, the width direction and the length direction.

Specifically, the groove width of the stopper groove 244 is much smaller than the groove width of the guide groove 245. The purpose of this embodiment to widen the width of the guide groove 245 is to enhance the guiding effect. Specifically, the guide groove 245 is notched at one side thereof against the edge of the shuttle 24, and both sides of the guide groove 245 are opened so that a part of the guide bar 216 in the thickness direction of the shuttle 24 is fitted into the guide groove 245.

In this embodiment, it is preferable that the guide groove 245 and the stopper groove 244 are still located inside the cavity 211 when the shuttle 24 extends to the outside of the cavity 211. The guide groove 245 and the limiting groove 244 of the embodiment are always positioned in the cavity 211, so that pollution to the guide groove 245 and the limiting groove 244 is avoided, and normal work of the limiting mechanism after long-term use is guaranteed.

As shown in fig. 2, the reciprocating member 24 is further provided with a rack 243, the inner cavity is further provided with a driving motor, an output shaft of the driving motor is provided with a gear meshed with the rack 243, the driving motor drives the gear to rotate, so that part of the reciprocating member 24 extends out of the inner cavity, the driving motor rotates reversely, and the lock tongue retracts.

The limit groove 244 is provided on one surface in the thickness direction of the lock tongue, and the limit groove 244 is formed by notching the other opposite surface from the plane to the thickness direction. The other side of the lock tongue along the thickness direction is provided with a guide groove 245, the opening direction of the guide groove 245 is opposite to the opening direction of the limiting groove 244, a notch is formed at one side of the guide groove 245 close to the edge of the tool shank, and the guide groove 245 with openings at two sides is matched with the guide strip 216.

Example 2:

the limiting mechanism of embodiment 1 is applied to a lockset, and the lockset is installed on a cabinet. The shuttle 24 is a latch bolt and the housing 21 is a second housing with a portion of the latch bolt extending from a side wall of the second housing into the cavity 211 of the first housing to close the lock.

First lock shell is installed on cabinet body side wall, and the second lock shell is installed on the cabinet door, is equipped with cavity 211 in the first lock shell, and the spring bolt is installed to the inner chamber of second lock shell, is equipped with logical groove 212 on the lateral wall of second lock shell, and the spring bolt passes logical groove 212 and inserts cavity 211 in order to lock the cabinet door.

The first lock shell is installed on the cabinet side wall through a plurality of first connecting pieces, the first connecting pieces penetrate through the cabinet side wall from the cabinet inner cavity to be connected with the first lock shell, the second lock shell is installed on the cabinet door through a plurality of second connecting pieces, and the second connecting pieces penetrate through the cabinet door from the inner side of the cabinet door to be connected with the second lock shell. The first connecting piece and the second connecting piece of this embodiment adopt built-in mode to fix, and lawless persons are difficult for prizing the pickproof lock, and built-in type is compared with the conventional formula of adorning outward, and the installation is higher.

The second lock shell is internally provided with a bolt, part of the first lock shell extends out of the cabinet body to form an extending area, the extending area of the first lock shell is provided with a cavity 211 for the bolt to be inserted to lock the cabinet door, the other part of the first lock shell is contacted with the cabinet body to form a contact area, the contact area is adjacent to the extending area, and the first connecting piece is connected with the first lock shell of the contact area. After the cabinet door is closed, a gap is formed between the extending area and the side wall of the second lock shell, and the width of the gap is less than 6 mm.

Preferably, the first lock case includes: the device comprises a shell 21 with a cavity 211 and a mounting cavity, and a cover plate for plugging an opening of the mounting cavity, wherein the opening of the mounting cavity and the opening of the cavity 211 are in the same direction; the mounting cavity and the cover plate are positioned in a contact area, and the cover plate is in contact with the side wall of the cabinet body; the installation cavity is correspondingly provided with a plurality of installation parts for fixing the first connecting piece, and the first connecting piece sequentially penetrates through the side wall of the cabinet body and the cover plate from the inner cavity of the cabinet body and then is fixedly connected with the installation parts.

As shown in fig. 2, the locking tongue includes a first square body 241 and a second square body 242; the rack 243 is arranged on one side wall of the second square body 242; the driving motor is matched with the rack 243 to enable part of the first square body 241 to extend out of the side wall of the second lock shell to realize locking; the driving motor rotates reversely to make the first square body 241 retract into the inner cavity of the second lock case, so as to realize unlocking. The thickness of the first square body 241 is preferably equal to the thickness of the second square body 242. A second square body 242 is formed by extending from a part of the sidewall at the tail end of the first square body 241 to a direction away from the head end thereof, so that the width of the second square body 242 is smaller than that of the first square body 241; the rack 243 is located on one side wall of the second square 242 along the width direction. A limiting groove 244 for limiting the movement displacement of the first square body 241 is formed in the thickness direction of the lock tongue. The limiting groove 244 of this embodiment is engaged with the limiting block 25 installed in the second lock case, and the limiting groove 244 is used to limit the extension displacement and the retraction displacement of the first square body 241. Preferably, one surface of the first square body 241 in the thickness direction and one surface of the second square body 242 in the thickness direction are in the same plane, and a limiting groove 244 is formed by notching the other opposite surface from the plane to the thickness direction. The purpose of forming the limiting groove 244 on the same plane in this embodiment is that the position of the limiting groove 244 along the length direction of the lock tongue is not limited on the plane, and the limiting groove may be formed in the second square 242, the first square 241, half of the limiting groove may be formed in the first square 241, and the other half of the limiting groove may be formed in the second square 242. Preferably, a guide groove 245 is formed on the other side of the second square 242 in the thickness direction, the opening direction of the guide groove 245 is opposite to the opening direction of the limiting groove 244, a notch is formed on one side of the guide groove 245 close to the edge of the second square 242, and the guide groove 245 with openings on two sides is matched with the guide strip 216 in the second lock case.

As shown in fig. 3, the second lock case extends towards the first lock case to form a first protrusion 213 and a second protrusion 214, and the first protrusion 213, the second protrusion 214 and the through slot 212 are located on the same side wall; the extension length of the first projection 213 is greater than that of the second projection 214; the first lock shell is provided with a first embedding part for embedding the first protrusion 213 and a second embedding part for embedding the second protrusion 214, the second protrusion 214 is embedded into the second embedding part after passing through the first embedding part in the closing process of the cabinet door, after the cabinet door is closed, the side wall of the first protrusion 213, the outer wall of the first lock shell and the outer wall of the second lock shell are positioned on the same plane, and the side wall is perpendicular to the side wall provided with the through groove 212 on the second lock shell. Each side wall of the second lock shell is recessed from the end part to the shell bottom direction to form a base platform 215, and the edge of the base platform 215 is coincided with the inner edge of the wall thickness direction; the side wall is parallel to a vertical surface formed by sinking on the side wall, the vertical surface and the surface of the base station 215 form an L-shaped structure, all the base stations 215 form a concave frame for the cover body 22 to be embedded in the second lock shell, and the sealing ring is positioned between the concave frame and the cover body 22; the side wall of the second lock shell extends towards the inside of the second lock shell to form a plurality of protruding parts, and a gap is formed between every two adjacent protruding parts; the height of the protrusion is the same as the height of the base 215, and the base 215 and the protrusion form a surface that fits the surface of the seal ring. In this embodiment, the base 215 and the protruding portion are located on the same plane, the sealing ring is placed on the plane, the cover 22 is located on the sealing ring and fixed by the fixing component, the sealing ring seals the second lock case and the cover 22, and the sealing structure has the advantage of good sealing performance.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stop gear, its characterized in that includes: a limiting groove (244) and a guide groove (245) which are arranged on the reciprocating piece (24), a limiting block (25) matched with the limiting groove (244), and a guide strip (216) matched with the guide groove (245), wherein the opening of the limiting groove (244) is opposite to the opening of the guide groove (245);

the reciprocating motion piece (24), the limiting block (25) and the guide strip (216) are arranged in the same cavity (211);

the guide strip (216) is formed by extending from the cavity bottom of the cavity (211) to the direction of the groove bottom of the guide groove (245);

a mounting part extends from the cavity bottom along the thickness direction of the reciprocating element (24), and the mounting part is positioned at the side of the reciprocating element (24);

stopper (25) include the block, from the block to spacing portion of spacing groove (244) inner chamber straight line extension, install the block on the installation department, part the block is located spacing groove (244) along the top of thickness direction, spacing portion can be in spacing groove (244) reciprocating motion.

2. Spacing mechanism according to claim 1, characterized in that the slot width of the spacing slot (244) is much smaller than the slot width of the guiding slot (245).

3. The spacing mechanism according to claim 1 or 2, characterized in that the guide groove (245) is notched on one side against the edge of the shuttle (24), and the guide groove (245) is open on both sides so that a portion of the guide strip (216) in the thickness direction of the shuttle (24) fits into the guide groove (245).

4. The spacing mechanism of claim 1, wherein said guide slot (245) and spacing slot (244) remain within the cavity (211) when said shuttle (24) extends outside of the cavity (211).

5. The limiting mechanism according to claim 1 or 4, wherein the reciprocating member (24), the limiting block (25) and the guide strip (216) are all located in an inner cavity of the housing (21), a through groove (212) for the reciprocating member (24) to extend out is formed in a side wall of the housing (21), and the size of the through groove (212) is slightly larger than that of the reciprocating member (24).

6. A spacing mechanism according to claim 5, characterized in that the reciprocator (24) is a bolt and the housing (21) is a second housing, part of the bolt extending from a side wall of the second housing into the cavity (211) of the first housing to close the lock.