CN218862343U - A spring lock and door and window for plug-type door and window - Google Patents

Abstract

The utility model discloses a latch lock and door and window for plug-type door and window, wherein be used for plug-type door and window's latch lock, include: a lock body provided with a lock hole for inserting the lock hook; the clamping block is arranged in the accommodating cavity and is rotationally connected with the lock body, the clamping block comprises a first clamping block and a second clamping block, a space is formed between the first clamping block and the second clamping block, a tension spring is arranged between the first clamping block and the second clamping block, the first clamping block and the second clamping block are arranged in a staggered mode with the lock hole in a closed state, a first transmission piece and a second transmission piece are arranged on the same side of the first clamping block and the same side of the second clamping block respectively, and the first transmission piece is abutted to the second transmission piece; the handle is movably connected with the lock body and used for driving the first clamping block and the second clamping block to be away from each other, after the lock hook is inserted into the lock catch, the first clamping block and the second clamping block automatically draw close to limit the lock hook, and the clamping blocks and the tension spring are simple and reliable in structure.

Description

A spring lock and door and window for plug-type door and window

Technical Field

The utility model relates to a door and window accessory technical field, in particular to a spring lock and door and window for plug-type door and window.

Background

In the field of building doors and windows, two leaves or leaves and a frame body of a push-pull type door and window need to be locked and fixed so as to keep the closing state of the door and window.

However, the existing window lock has a complex structure, is inconvenient to operate and use, and is easy to cause the problem of large and unattractive lock body when applied to a sliding window.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

In a first aspect, the utility model provides a spring lock for a push-pull type door and window, which comprises a lock body, a spring and a lock hook, wherein the lock body is provided with a lock hole for inserting the lock hook, a containing cavity is arranged in the lock body, and the lock hole is communicated with the containing cavity; the clamping block is arranged in the accommodating cavity and is rotationally connected with the lock body, the clamping block comprises a first clamping block and a second clamping block, a space is formed between the first clamping block and the second clamping block, a tension spring is arranged between the first clamping block and the second clamping block, and the first clamping block and the second clamping block are arranged in a staggered mode with the lock hole in a closed state; a first transmission piece is arranged on one side of the first clamping block close to the connecting end of the first clamping block and the lock body; a second transmission piece is arranged on one side of the second clamping block close to the connecting end of the second clamping block and the lock body, and the first transmission piece can be abutted against the second transmission piece; the handle is movably connected with the lock body and is provided with a driving part; the driving part can be abutted against the first clamping block so as to drive the first clamping block and the second clamping block to be away from each other.

According to the utility model provides a latch lock for plug-type door and window has following beneficial effect at least: the lock body is provided with a lock hole for inserting a lock hook arranged on another fan body or frame body, the fixture block is arranged in the accommodating cavity and is rotationally connected with the lock body, the fixture block comprises a first fixture block and a second fixture block, an interval is formed between the first fixture block and the second fixture block, a tension spring is arranged between the first fixture block and the second fixture block, the first fixture block and the second fixture block tend to approach each other under the action of the tension spring, the first fixture block and the second fixture block are arranged in a staggered mode with the lock hole under the approaching state, after the lock hook is inserted into the lock hole, the lock hook can push the first fixture block and the second fixture block open, the interval between the first fixture block and the second fixture block is increased, and after the lock hook moves in place, the first fixture block and the second fixture block automatically approach together under the action of the tension spring and play a limiting role on the lock hook, so that the lock of the push-pull type door and window is locked; the handle rotates with the lock body to be connected, when needs unblock, rotatable handle, drive division and first fixture block butt on the handle, thereby it rotates to drive first fixture block, first fixture block passes through first driving medium and second driving medium and realizes the linkage with the second fixture block, thereby realize that first fixture block and second fixture block are kept away from each other, thereby remove the limiting displacement of first fixture block and second fixture block to the latch hook, the latch hook can withdraw from the lockhole, realize the unblock of this a latch lock for plug-type door and window, this a latch lock for plug-type door and window adopts first fixture block, the locking mechanism of second fixture block and extension spring, moreover, the steam generator is simple in structure, adopt the form of lockhole cooperation fixture block, be favorable to making the lock body more frivolous, can satisfy plug-type door and window's user demand.

According to some embodiments of the utility model, set up the slot on the second driving medium, slot and first driving medium adaptation are connected.

The groove is formed in the second transmission piece, the groove is connected with the first transmission piece in an adaptive mode, when the first clamping block rotates, the first transmission piece is clamped into the groove, the second clamping block is driven to rotate, the groove is formed in the position, which is beneficial to keeping the first clamping block connected with the second clamping block, the second clamping block can rotate along with the first clamping block, and therefore unlocking of the latch lock for the sliding door and window is achieved.

According to some embodiments of the present invention, the front end surface of the lock body is provided with a first groove; the handle is arranged in the first groove and is rotationally connected with the inner side surface of the first groove.

The terminal surface is provided with first recess before the lock body, the handle sets up in first recess, and the handle rotates with the medial surface of first recess to be connected, compare in tradition and door body or window body parallel arrangement's twist grip, the handle setting that should be used for plug-type door and window's latch is in first recess, be favorable to realizing hiding of handle, increase the whole aesthetic property that should be used for plug-type door and window's latch, the user can realize locking and unblock through twist grip, the simple operation, satisfy the user demand that should be used for plug-type door and window's latch.

According to some embodiments of the present invention, the driving portion is a driving piece disposed on the rear end surface of the handle, the rear end surface of the first groove is provided with a first opening, the first opening is communicated with the accommodating cavity, and the driving piece passes through the first opening; the driving plate can be abutted against the first clamping block to drive the first clamping block to rotate.

The drive division is provided with the driver blade on the rear end face of handle, set up first opening on the rear end face of first recess, and first opening and hold the chamber intercommunication, the driver blade passes first opening setting, the driver blade is used for driving first fixture block, when the handle is rotatory, the driver blade is rotatory along with the handle, the driver blade is rotatory to certain angle can with first fixture block butt, thereby drive first fixture block and rotate, the first driving piece of first fixture block thereupon with the second driving piece butt of second fixture block, and then drive the second fixture block and rotate, realize this a unblock that is used for plug-type door and window's lock, satisfy this plug-type door and window's user demand.

According to some embodiments of the present invention, the utility model further comprises a buffer block, a return spring and a rotating shaft extending left and right, the rotating shaft is arranged in the first groove, and the lower end part of the handle is rotatably connected with the rotating shaft; the buffer block is arranged on the rear end face of the first groove and is positioned above the rotating shaft; reset spring one end is connected with the handle, and the other end and first recess are connected, and reset spring sets up the below at the pivot.

This a spring lock for plug-type door and window still includes the buffer block, reset spring and the pivot of controlling the extension, the pivot can be for riveting the axle, the pivot sets up in first recess, the lower tip of handle rotates with the pivot to be connected, the upper end of handle can supply the user to grip the rotation of realization to the handle, the buffer block sets up on the rear end face of first recess, and be located the top of pivot, reset spring sets up the below in the pivot, reset spring's one end is connected with the handle, the other end and first groove connection, the handle loosens the handle when the user after rotating, the handle is automatic re-setting under reset spring's elastic force, being provided with of buffer block does benefit to offset the rotatory inertial force of handle, reduce handle striking lock body and lead to the risk that the lock body damaged, be favorable to increasing this a durability that is used for plug-type door and window's spring lock.

According to some embodiments of the present invention, the present invention further comprises a safety assembly, the safety assembly comprises a safety rotating shaft and a third clamping block, the front end surface of the lock body is provided with a first through hole, the safety rotating shaft is rotatably connected with the first through hole, the periphery of the lower end portion of the first groove is provided with a second groove, the second groove is communicated with the first groove, and the third clamping block can enter and exit the second groove; the safety rotating shaft is in transmission connection with the third clamping block so as to drive the third clamping block to be screwed into the first groove to limit the rotation of the handle.

The latch lock for the push-pull door and window further comprises a safety assembly, the safety assembly comprises a safety rotating shaft and a third clamping block, the safety rotating shaft is rotatably connected with the first through hole of the lock body, the lock body further comprises a second groove, the second groove is formed in the lower end portion of the first groove and is communicated with the first groove, and the third clamping block can enter and exit the second groove; the insurance pivot is connected with the transmission of third chuck block, and the insurance pivot can cooperate the key to use, and after the key inserted the insurance pivot, but the rotatory insurance pivot of side, and then it is rotatory to drive the third chuck block, and the third chuck block is unscrewed the second recess and is got into in the first recess, like the lower tip of the first recess of screw in, with the handle butt, the user can't outwards rotate the handle this moment and realize the unblock to realize the insurance function that is used for plug-type door and window's latch lock.

According to some embodiments of the utility model, the utility model also comprises a clamping component, the upper end of the lock body is provided with a third groove which is open upwards, the lock body is provided with a second opening, the clamping component comprises a limiting piece, a clamping block and a screw thread piece, the screw thread piece and the limiting piece are both arranged in the third groove, the lower end surface of the clamping block is provided with a screw hole which extends up and down, and the screw hole is connected with the screw thread piece in a threaded manner; the limiting piece is connected with the threaded piece to limit the up-and-down movement of the threaded piece; the second opening is communicated with the third groove and is opposite to the threaded piece, the clamping block is provided with a clamping groove with an upward opening, and the clamping block can enter and exit the third groove.

This a spring lock for plug-type door and window still includes clamping component, the lock body upper end sets up open third recess up, clamping component includes spacing piece, press from both sides tight piece and screw, the screw sets up in the third recess, screw threaded connection on screw and the tight piece of clamp, it is provided with the ascending draw-in groove of opening to press from both sides tight piece, instrument such as user's accessible screwdriver passes second opening back and rotates the screw, make to press from both sides tight piece and stretch out the third recess under the effect of spacing piece, thereby realize pressing from both sides tight piece and be connected with the panel of peripheral hardware, clamping component makes this an installation and dismantlement of a spring lock for plug-type door and window comparatively convenient, be favorable to improving this a practicality of a spring lock for plug-type door and window.

According to some embodiments of the present invention, the clamping groove communicates with the front end of the clamping block, and the limiting piece is disposed on the front side wall of the third groove; the screw hole is communicated with the bottom of the clamping groove, the limiting piece is clamped in the clamping groove, the upper end of the threaded piece is abutted to the limiting piece, and the lower end of the threaded piece is abutted to the inner bottom surface of the third groove.

Spacing piece sets up on the preceding lateral wall of third recess, and the card is established in the draw-in groove, thereby realize spacing piece spacing to the screw member, screw member upper end and spacing piece butt, the interior bottom surface butt of lower extreme and third recess, and then convert the rotation of screw member into the ascending removal of clamp block from top to bottom, make the ascending removal of clamp block from top to bottom can only be done, satisfy this clamping unit's user demand, user's accessible screwdriver passes the second opening and realizes the rotation to the screw member after will, clamping unit and mounting hole be provided with and do benefit to the whole aesthetic property of guaranteeing this a latch for plug-type door and window.

According to the utility model discloses a some embodiments, the utility model discloses still include the latch hook, the upper and lower both sides of latch hook front end are protruding outwards and are formed spacing boss, and the front end of latch hook forms the segmental arc.

The upper side and the lower side of the front end of the lock hook are outwards protruded to form limiting convex blocks, the front end of the lock hook is provided with an arc-shaped section, when the lock hook is inserted into the lock hole, the first clamping block and the second clamping block which are positioned at the lock hole can be ejected under the guiding action of the arc-shaped section, and then the lock hook is inserted into the lock hole, and after the lock hook is inserted into the lock hole, the limiting convex blocks can be abutted to the clamping blocks, so that the locking of the latch lock for the push-pull door and window is realized.

In a second aspect, the present invention also provides a door and window, including: a latch for a push-pull window and door as described in any one of the first aspects; the leaf body, the latch lock used for sliding door and window is arranged in the leaf body and is positioned in the side area of the leaf body.

According to the utility model provides a door and window has following beneficial effect at least: the latch lock for the push-pull type door and window is arranged in a sash body and is positioned in a side edge area of the sash body, the lock body is provided with a lock hole for inserting a lock hook arranged on another sash body or a frame body, the clamping blocks are arranged in the accommodating cavity and are rotationally connected with the lock body, the clamping blocks comprise a first clamping block and a second clamping block, a space is formed between the first clamping block and the second clamping block, a tension spring is arranged between the first clamping block and the second clamping block, the first clamping block and the second clamping block tend to be mutually closed under the action of the tension spring, the first clamping block and the second clamping block are arranged in a staggered mode in the closed state, after the lock hook is inserted into the lock hole, the lock hook can push the first clamping block and the second clamping block open, the space between the first clamping block and the second clamping block is increased, and after the lock hook is moved in place, the first clamping block and the second clamping block automatically close under the action of the tension spring and play a limiting role on the lock hook, so that the latch lock for the push-pull type door and window is locked; the handle rotates with the lock body to be connected, when needs unblock, rotatable handle, drive division and first fixture block butt on the handle, thereby it rotates to drive first fixture block, first fixture block passes through first driving medium and second driving medium and realizes the linkage with the second fixture block, thereby realize that first fixture block and second fixture block are kept away from each other, thereby remove the limiting displacement of first fixture block and second fixture block to the latch hook, the latch hook can withdraw from the lockhole, realize the unblock of this a latch lock for plug-type door and window, this a latch lock for plug-type door and window adopts first fixture block, the locking mechanism of second fixture block and extension spring, moreover, the steam generator is simple in structure, adopt the form of lockhole cooperation fixture block, be favorable to making the lock body more frivolous, can satisfy plug-type door and window's user demand.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a latch for a push-pull door or window according to an embodiment of the present invention;

fig. 2 is a front view of a latch for a push-pull window and door shown in fig. 1;

fig. 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A latch forbase:Sub>A push-pull window and door shown in fig. 2;

fig. 4 is an exploded schematic view of a latch for a push-pull door or window according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a latch block of a latch lock for a push-pull door/window according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a latch lock for a push-pull door/window according to an embodiment of the present invention in a state where a latch hook is separated from a lock body;

fig. 7 is a schematic perspective view of a latch lock for a push-pull door/window according to an embodiment of the present invention in a state where a latch hook and a lock body are connected;

fig. 8 is a schematic perspective view of a latch for a push-pull door or window in an unlocked state according to an embodiment of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of a latch lock for a push-pull door and window in a security state according to an embodiment of the present invention.

In the drawings: 100. a lock body; 110. a lock hole; 120. a first groove; 210. a first clamping block; 211. a first transmission member; 220. a second fixture block; 221. a second transmission member; 2211. a trench; 300. a tension spring; 400. a handle; 410. a driving plate; 500. a buffer block; 600. a return spring; 700. a fuse assembly; 710. a safety rotating shaft; 720. a third fixture block; 800. a clamping assembly; 810. a threaded member; 820. a clamping block; 900. a latch hook.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of terms means an indefinite amount, and a plurality of terms means two or more, and the terms larger than, smaller than, larger than, or the like are understood as not including the term, and the terms larger than, smaller than, or the like are understood as including the term. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, if there is a phrase containing a plurality of parallel features, the phrase defined therein is the closest feature, for example: b, C disposed on A, and E connected to D, wherein B is disposed on A and E is connected to D, and C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase with the word "mean" before it is meant to be a definition of all features in the phrase, e.g., B, C, D, both disposed on a, means B, C and D both disposed on a.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Embodiments of the present invention will be described with reference to fig. 1 to 9.

First embodiment, refer to fig. 1, fig. 2 and fig. 6, an embodiment of the present invention provides a door and window, including a frame body, a sash body and a latch for a push-pull door and window, the latch for a push-pull door and window is disposed on the sash body and located at a side of the sash body.

Wherein, a latch for push-pull type door and window includes: lock body 100, latch hook 900, cartridge and handle 400.

The lock body 100 and the lock hook 900 can be respectively arranged between two sectors or between a sector and a frame body, the rear end face of the lock body 100 is provided with a lock hole 110, a containing cavity is arranged in the lock body 100, the lock hole 110 is communicated with the containing cavity, and the lock hook 900 can be inserted into or withdrawn from the lock hole 110, so that the locking and unlocking of the latch lock for the push-pull door and window are realized. The latch lock for the push-pull type door and window can be used as a lock body 100 of various doors and windows, such as the door and window which can be opened and closed by a push-pull type.

Referring to fig. 3 to 5, the locking blocks are disposed in the accommodating cavity and rotatably connected to the lock body 100, each of the locking blocks includes a first locking block 210 and a second locking block 220, a gap is formed between the first locking block 210 and the second locking block 220, and a tension spring 300 is disposed between the first locking block 210 and the second locking block 220, the first locking block 210 and the second locking block 220 are staggered with the locking hole 110 when the first locking block 210 and the second locking block 220 are close together, if the locking hole 110 extends vertically, the first locking block 210 and the second locking block 220 extend left and right when the locking hole 110 is close together, so as to partially block the locking hole 110, and the gap between the first locking block 210 and the second locking block 220 allows the locking hook 900 to be inserted.

Specifically, the upper and lower sides of the front end of the locking hook 900 protrude outward to form a limiting protrusion, and the front end of the locking hook 900 forms an arc-shaped section. When the locking hook 900 is inserted into the locking hole 110, the first clamping block 210 and the second clamping block 220 located at the locking hole 110 can be pushed open under the guiding action of the arc-shaped section, and then the first clamping block 210 and the second clamping block 220 are inserted into the space between the first clamping block 210 and the second clamping block 220, after the locking hook 900 is inserted into the locking hole 110 and moves in place, under the elastic action of the tension spring 300, the first clamping block 210 and the second clamping block 220 automatically reset, namely, the closing state is recovered, the limiting convex block can be abutted against the clamping blocks, the clamping blocks realize the limitation of the locking hook 900, and therefore the locking of the latch lock for the push-pull door and window is realized.

The handle 400 is rotatably connected to the lock body 100 to drive the first latch 210 and the second latch 220 to rotate, and if the handle 400 drives the first latch 210 and the second latch 220 to move away from each other, the limiting function of the latches on the lock hook 900 disappears, so that the lock hook 900 can exit from the lock hole 110, thereby unlocking the latch lock for the push-pull door and window.

Further preferably, a first transmission member 211 is disposed on one side of the first latch 210 close to the connection end with the lock body 100; a second transmission piece 221 is disposed on one side of the second latch 220 close to the connection end with the lock body 100, and the first transmission piece 211 can abut against the second transmission piece 221. The first transmission piece 211 and the first latch 210 are disposed in an angular shape, and the second transmission piece 221 and the second latch 220 are disposed in an angular shape.

When the handle 400 rotates, the handle 400 drives the first latch 210 to rotate, and when the first latch 210 rotates, the first transmission member 211 can abut against the second transmission member 221, and further drive the second latch 220 to rotate, so that the first latch 210 and the second latch 220 are away from each other, and the unlocking of the latch lock for the sliding door/window is completed.

Further preferably, the second transmission member 221 is provided with a groove 2211, the groove 2211 is in adaptive connection with the first transmission member 211, when the first latch 210 rotates, the first transmission member 211 is clamped into the groove 2211, so as to drive the second latch 220 to rotate, the groove 2211 is provided to facilitate maintaining the connection between the first latch 210 and the second latch 220, and it is ensured that the second latch 220 can rotate along with the first latch 210, thereby completing the unlocking of the latch lock for the push-pull door and window.

Specifically, the groove 2211 is arranged to facilitate maintaining the connection between the first latch block 210 and the second latch block 220, so as to achieve the synchronous rotation of the first latch block 210 and the second latch block 220, for example, the first latch block 210 rotates clockwise, the first transmission member 211 is located on the left side of the second transmission member 221, when the first transmission member 211 rotates, the first transmission member 211 is connected to the groove 2211, so as to drive the second latch block 220 to rotate, and the second latch block 220 rotates counterclockwise, thereby achieving the mutual separation of the first latch block 210 and the second latch block 220, so that the blocking effect of the first latch block 210 and the second latch block 220 on the lock hole 110 disappears, the lock hook 900 can exit from the lock hole 110, and the unlocking of the latch lock for the push-pull door and window is completed. The first transmission member 211 and the second transmission member 221 may be rod-shaped, plate-shaped, etc.

Further preferably, one end of the lock body 100, which is far away from the lock hole 110, is provided with the first groove 120, that is, the front end face of the lock body 100 is provided with the first groove 120, the handle 400 is disposed in the first groove 120 and is rotatably connected with the inner side face of the first groove 120, for example, the left side and the right side of the handle 400 are rotatably connected with the left side face and the right side face of the first groove 120, respectively, and the handle 400 can extend around an axis extending from left to right.

Compare in the tradition with the rotatory handle 400 of door body or window body parallel arrangement, this a handle 400 for latch lock of plug-type door and window sets up in first recess 120, is favorable to realizing hiding of handle 400, increases this an overall aesthetic property for latch lock of plug-type door and window, avoids the inconsistent problem of present turning handle and modern (window) curtain collocation. The user can realize locking and unblock through twist grip 400, and the simple operation satisfies this a latch for plug-type door and window's user demand.

Referring to fig. 6 to 8, it is further preferable that a driving plate 410 is disposed on the back surface of the handle 400, a first opening is disposed on the rear end surface of the first groove 120, the first opening is communicated with the accommodating cavity, and the driving plate 410 is disposed through the first opening; the driving plate 410 can abut against the first latch 210 to drive the first latch 210 to rotate.

The driving plate 410 is used for driving the first latch 210, when the handle 400 rotates, the driving plate 410 rotates along with the handle 400, the driving plate 410 rotates to a certain angle and can abut against the first latch 210, so as to drive the first latch 210 to rotate, the first transmission part 211 of the first latch 210 abuts against the second transmission part 221 of the second latch 220, so as to drive the second latch 220 to rotate, so that the touch lock for the sliding door and window is unlocked, and the use requirements of the sliding door and window are met.

Further preferably, when the handle 400 is received in the first groove 120, the first latch 210 may abut against the driving plate 410, so as to counteract the pulling force of the tension spring 300 on the first latch 210, thereby maintaining the balance of the latches when the handle 400 does not rotate, and satisfying the use requirement of the push-pull door/window. The abutting end of the driving plate 410 and the latch can be square, which is beneficial to maintaining the connection stability of the driving plate 410 and the latch.

It should be noted that, the shape of the driving plate 410 needs to meet the requirement that when the handle 400 rotates outwards, the driving plate rotates to a certain degree and can abut against the first latch 210, so as to drive the first latch 210 to rotate to unlock the latch lock for the push-pull door and window.

Further preferably, the latch for the sliding door and window further comprises a buffer block 500, a return spring 600 and a rotating shaft extending left and right, the rotating shaft is arranged in the first groove 120, and the lower end of the handle 400 is rotatably connected with the rotating shaft; the rotation shaft may be a rivet shaft, and the rivet shaft may penetrate the first recess 120 and the handle 400 from the left or right side of the lock body 100, thereby achieving the rotational connection of the handle 400 and the first recess 120.

The upper end of handle 400 can supply the user to hold, accomplish the rotation to handle 400, buffer block 500 sets up on the rear end face of first recess 120, and be located the top of pivot, reset spring 600 sets up the below at the pivot, reset spring 600's one end is connected with handle 400, the other end is connected with first recess 120, after handle 400 rotates, if the user loosens handle 400, handle 400 is automatic re-setting under reset spring 600's elastic force, buffer block 500 is provided with and does benefit to the rotatory inertial force who offsets handle 400, reduce handle 400 striking lock body 100 and lead to the risk that lock body 100 damaged, be favorable to increasing this durability that is used for plug-pull door and window's latch lock.

The buffer block 500 may be made of sponge, rubber, silica gel, or other material with good buffering performance.

Referring to fig. 9, it is further preferable that the latch lock for a push-pull type door and window further includes a safety assembly 700, the safety assembly 700 includes a safety rotation shaft 710 and a third block 720, a first through hole is formed on a front end surface of the lock body 100, the safety rotation shaft 710 is rotatably connected with the first through hole, and the third block 720 is disposed in the lock body 100; the safety rotating shaft 710 is in transmission connection with the third clamping block 720, the safety rotating shaft 710 can be used in cooperation with a key, after the key is inserted into the safety rotating shaft 710, the safety rotating shaft 710 can be rotated, the third clamping block 720 is further driven to rotate, the third clamping block 720 is screwed into the first groove 120, if the periphery of the lower end part of the first groove 120 is provided with the second groove, the second groove is communicated with the first groove 120, and when the third clamping block 720 is not used, the third clamping block 720 can be accommodated in the second groove, and when the third clamping block 720 is driven by the safety rotating shaft 710, the third clamping block can be screwed out of the second groove and screwed into the lower end part of the first groove 120 and is abutted against the rear end face of the lower end of the handle 400, at the moment, the user cannot rotate the handle 400 outwards to unlock, and therefore the safety function of the latch for the push-pull type door and window is achieved.

Specifically, the rear end of insurance pivot 710 sets up to the polygon boss, like triangle-shaped, quadrangle, hexagon etc., be provided with the transmission hole on the third fixture block 720, the transmission hole sets up to the shape like triangle-shaped, quadrangle or hexagon with insurance pivot 710 adaptation, accessible screw realizes fixing between them behind the transmission hole with insurance pivot 710 insert third fixture block 720, thereby realize that insurance pivot 710 is connected the transmission of third fixture block 720, after the user inserts the insurance pivot 710 with the key, rotatory insurance pivot 710, and then drive the rotation of third fixture block 720, third fixture block 720 is in the first recess 120 of screw in and is connected with handle 400, thereby realize the insurance function that is used for plug-type door and window's latch lock.

Further preferably, the latch lock for the push-pull door and window further comprises a clamping assembly 800, a third groove which is open upwards is formed in the upper end of the lock body 100, the lock body 100 is provided with a second opening, the clamping assembly 800 comprises a limiting piece, a clamping block 820 and a threaded piece 810, the threaded piece 810 and the limiting piece are both arranged in the third groove, a screw hole which extends up and down is formed in the lower end face of the clamping block 820, the threaded piece 810 is in threaded connection with the screw hole in the clamping block 820, the limiting piece is connected with the threaded piece 810 to limit up-down movement of the threaded piece B10, the second opening is communicated with the third groove and is opposite to the threaded piece 810, the clamping block 820 is provided with a clamping groove with an upward opening, a user can rotate the threaded piece 810 after passing through the second opening by a tool such as a screwdriver, the rotation of the threaded piece 810 is converted into up-down movement of the clamping block 820 under the limiting effect of the limiting piece, the clamping block 820 stretches out and draws back relative to the lock body 100 and enters and goes out the third groove, so that the panel clamped into the clamping groove, thereby the panel clamped outside the latch lock realizes installation of the push-pull door and window, and the latch lock is convenient to improve the installation and the installation of the push-pull door and window.

Further preferably, the clamping groove is communicated with the front end of the clamping block 820, the limiting piece is arranged on the front side point of the third groove, the screw hole is communicated with the bottom of the clamping groove, the limiting piece is clamped in the clamping groove, the upper end of the threaded piece 810 is abutted to the limiting piece, and the lower end of the threaded piece is abutted to the inner bottom surface of the third groove. The setting of spacing piece can realize spacing to screw member 810, and then converts the rotation of screw member 810 into the ascending removal in the upper and lower direction of pressing from both sides tight piece 820 for press from both sides tight piece 820 and can only do the ascending removal in the upper and lower direction, satisfy this clamping component 800's user demand, spacing piece card is established in the draw-in groove, also can restrict the rotation that presss from both sides tight piece 820.

Further preferably, the third groove is located above the first groove 120, the second opening is formed in the bottom surface of the third groove 120 and communicated with the first groove, the second opening is arranged opposite to the screw, a user can rotate the screw 810 after the user passes through the second opening through a screwdriver, and the clamping assembly 800 and the first opening are arranged to be beneficial to ensuring the overall aesthetic property of the latch lock for the push-pull door and window.

The second embodiment of the present invention further provides a latch lock for a push-pull door and window, wherein the lock body 100, the latch hook 900 and the latch block are substantially similar to the first embodiment, and the difference is mainly that the left end portion of the handle 400 is rotatably connected to the lock body 100 through a vertically extending rivet shaft, the right end of the handle 400 can be used as a holding portion of the handle 400, when unlocking is required, a user can rotate the handle 400 clockwise, the back of the handle 400 is provided with the driving plate 410, during the rotation process, the driving plate 410 rotates along with the handle 400, the driving plate 410 rotates to the first transmission member 211, a right pressure is applied to the first transmission member 211, the first transmission member 211 drives the second transmission member 221 to rotate, so that the first latch block 210 rotates clockwise, the second latch block 220 rotates counterclockwise, the first latch block 210 and the second latch block 220 are away from each other, and thereby unlocking of the latch lock for a push-pull door and window is realized.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the appended claims.

Claims (10)

1. A latch for a push-pull window or door, comprising:

the lock body (100) is provided with a lock hole (110) for inserting a lock hook (900), an accommodating cavity is arranged in the lock body (100), and the lock hole (110) is communicated with the accommodating cavity;

the clamping block is arranged in the accommodating cavity and is rotationally connected with the lock body (100), the clamping block comprises a first clamping block (210) and a second clamping block (220), a space is formed between the first clamping block (210) and the second clamping block (220) and a tension spring (300) is arranged between the first clamping block (210) and the second clamping block (220), and the first clamping block (210) and the second clamping block (220) are arranged in a staggered mode with the lock hole (110) in a close state; a first transmission piece (211) is arranged on one side of the first clamping block (210) close to the connecting end of the first clamping block and the lock body (100); a second transmission piece (221) is arranged on one side, close to the connecting end of the second clamping block (220) and the lock body (100), and the first transmission piece (211) can be abutted against the second transmission piece (221);

the handle (400), the handle (400) is movably connected with the lock body (100), and the handle (400) is provided with a driving part; the driving portion can abut against the first fixture block (210) to drive the first fixture block (210) and the second fixture block (220) to be away from each other.

2. Latch for a push-pull door or window according to claim 1, characterized in that the second transmission member (221) is provided with a groove (2211), and the groove (2211) is adapted to the first transmission member (211).

3. A latch for push-pull windows and doors according to claim 2, characterized in that the front face of the lock body (100) is provided with a first groove (120); the handle (400) is arranged in the first groove (120), and the handle (400) is rotatably connected with the inner side surface of the first groove (120).

4. A latch for a push-pull window and door according to claim 3, wherein the driving part is a driving piece (410) provided on a rear end surface of the handle (400), a first opening is provided on a rear end surface of the first groove (120), the first opening communicates with the receiving cavity, and the driving piece (410) is provided through the first opening; the driving sheet (410) can abut against the first fixture block (210) to drive the first fixture block (210) to rotate.

5. The latch lock for a push-pull door and window according to claim 4, further comprising a buffer block (500), a return spring (600) and a rotating shaft extending left and right, wherein the rotating shaft is disposed in the first groove (120), and the lower end of the handle (400) is rotatably connected with the rotating shaft; the buffer block (500) is arranged on the rear end face of the first groove (120) and is positioned above the rotating shaft; one end of the return spring (600) is connected with the handle (400), the other end of the return spring is connected with the first groove (120), and the return spring (600) is arranged below the rotating shaft.

6. The latch for push-pull windows and doors according to claim 5, further comprising a safety assembly (700), wherein the safety assembly (700) comprises a safety rotating shaft (710) and a third block (720), a first through hole is formed in the front end surface of the lock body (100), the safety rotating shaft (710) is rotatably connected with the first through hole, a second groove is formed in the periphery of the lower end of the first groove (120), the second groove is communicated with the first groove (120), and the third block (720) can enter and exit the second groove; the safety rotating shaft (710) is in transmission connection with the third clamping block (720) so as to drive the third clamping block (720) to be screwed into the first groove (120) to limit the rotation of the handle (400).

7. The latch lock for a push-pull door and window according to claim 1, further comprising a clamping assembly (800), wherein a third groove which is open upward is formed at the upper end of the lock body (100), the lock body (100) is provided with a second opening, the clamping assembly (800) comprises a limiting piece, a clamping block (820) and a threaded piece (810), the threaded piece (810) and the limiting piece are arranged in the third groove, a screw hole which extends up and down is formed in the lower end surface of the clamping block (820), and the screw hole is in threaded connection with the threaded piece (810); the limiting sheet is connected with the threaded piece (810) so as to limit the up-and-down movement of the threaded piece (810); the second opening is communicated with the third groove and is opposite to the threaded piece (810), the clamping block (820) is provided with a clamping groove with an upward opening, and the clamping block (820) can enter and exit the third groove.

8. The latch for push-pull windows and doors according to claim 7, wherein said catch communicates with the front end of said clamp block (820), said stopper piece is disposed on the front side wall of said third groove; the screw hole is communicated with the bottom of the clamping groove, the limiting piece is clamped in the clamping groove, the upper end of the threaded piece (810) is abutted to the limiting piece, and the lower end of the threaded piece is abutted to the inner bottom surface of the third groove.

9. The latch lock for a push-pull window and door according to any one of claims 1-8, further comprising a latch hook (900), wherein the upper and lower sides of the front end of the latch hook (900) protrude outwards to form a limit boss, and the front end of the latch hook (900) forms an arc-shaped section.

10. A door and window, comprising:

a latch for a push-pull window or door as claimed in any one of claims 1 to 9;

the window sash comprises a sash body, and the latch lock for the push-pull door and window is arranged on the sash body and is positioned in the side edge area of the sash body.

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