CN215804294U

CN215804294U - Screen window fixing piece

Info

Publication number: CN215804294U
Application number: CN202121180881.1U
Authority: CN
Inventors: 周杨
Original assignee: Guangdong Henghui Window Products Co ltd
Current assignee: Guangdong Henghui Window Products Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-02-11
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a screen window fixing piece which comprises a base and a lock cover, wherein a guide surface is arranged in the lock cover, a lock rod capable of moving up and down is arranged in the base, a first elastic piece is arranged between the base and the lock rod, the top end of the lock rod is abutted against the guide surface, the top side of the lock cover is rotatably connected with a lock cylinder, the top end surface of the lock cylinder is provided with a lock hole, the outer side wall of the lock cylinder is provided with at least two positioning grooves along the circumferential direction of the lock cylinder, a second elastic piece and a positioning ball are arranged in the lock cover, the bottom end of the lock cylinder is connected with a stop block, the top surface of the base is provided with a limiting block, and when the lock cylinder is rotated to enable the positioning ball to enter any one positioning groove, the stop block and the limiting block are staggered in the front-back direction; when the lock core is rotated to enable the positioning ball to enter the other positioning groove, the stop block and the limiting block are mutually interfered in the front-back direction, and the lock cover can limit relative sliding between the lock cover and the base when the lock core is integrally locked, so that the problem of safety accidents caused by mistaken touch of children is avoided.

Description

Screen window fixing piece

Technical Field

The utility model relates to a lockset, in particular to a screen window fixing piece.

Background

The screen window has the screen mesh that can block the mosquito, traditional screen mesh and window frame formula structure as an organic whole, the screen window is after long-time the use, can the deposition on the screen mesh, the influence ventilates, along with the development of society, some detachable screen windows have appeared on the market, the screen mesh can be followed the window frame and dismantled out, carry out fixed connection through a detachable connecting piece between screen mesh and the window frame, and in daily life, children if when dismantling the connecting piece out, the risk that the screen mesh falls to hinder the people can appear, there is great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a screen window fastening device that solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.

The solution of the utility model for solving the technical problem is as follows:

a screen window fixing part comprises a base and a lock cover which is connected to the top side of the base in a sliding mode, the lock cover can move on the base in the front-back direction, a guide surface which extends upwards from back to front in an inclined mode is arranged in the lock cover, a lock rod which can move up and down is arranged in the base, a first elastic part is arranged between the base and the lock rod, the top end of the lock rod is abutted to the guide surface, the first elastic part has the tendency that the lock rod presses towards the guide surface, the top side of the lock cover is connected with a lock cylinder in a rotating mode, the top end surface of the lock cylinder is provided with a lock hole, the outer side wall of the lock cylinder is provided with at least two positioning grooves along the circumferential direction of the lock cylinder, a second elastic part and positioning balls connected to the second elastic part are arranged in the lock cover, and the second elastic part has the tendency that the positioning balls press towards any one of the positioning grooves, the bottom end of the lock cylinder is connected with a stop block, the top surface of the base is provided with a limiting block, and when the lock cylinder is rotated to enable the positioning ball to enter any one of the positioning grooves, the stop block and the limiting block are staggered in the front-rear direction; when the lock core is rotated to enable the positioning ball to enter the other positioning groove, the stop block and the limiting block are mutually interfered in the front-back direction.

The technical scheme at least has the following beneficial effects: when the lock cover needs to be shifted to move back and forth on the sliding seat, the lock core is rotated to enable the stop block and the limiting block to be staggered in the front-back direction, the stop block and the limiting block are not interfered with each other, the lock cover can be shifted backwards, the first elastic piece presses the lock rod upwards due to the fact that the guide surface inclines upwards from back to front, the lock rod gradually rises along the guide surface, the whole screen and the window frame are in an unlocking state at the moment, the lock cover is shifted forwards, the guide surface presses the lock rod downwards, the whole screen and the window frame are in a locking state at the moment, if the state needs to be kept, the lock core is rotated to enable the positioning ball to enter into the other positioning groove, the stop block and the limiting block are interfered with each other in the front-back direction at the moment, the limiting block limits the backward movement of the stop block, the function of the child lock is achieved, and the relative sliding between the lock cover and the base can be limited when the whole locking function is achieved, the problem of safety accidents caused by the fact that children touch the safety lock by mistake is avoided.

As a further improvement of the above technical scheme, the two limiting blocks are arranged on the top surface of the base at intervals along the left-right direction, an avoidance gap is formed between the two limiting blocks, and when the lock cylinder is rotated to enable the positioning ball to enter any one of the positioning grooves, the stop block is opposite to the avoidance gap; when the lock core is rotated to enable the positioning ball to enter the other positioning groove, the stop block and the two limiting blocks are mutually interfered in the front-back direction. The base is provided with two limiting blocks, an avoiding gap is arranged between the two limiting blocks so that the stop block can pass through when moving forwards and backwards, the left and right movement of the stop block is limited by the limiting blocks, and the stability of the lock cover when moving forwards and backwards on the sliding seat can be improved.

As a further improvement of the above technical solution, a mounting hole is formed in the top surface of the lock cover, the lock cylinder is rotatably connected in the mounting hole, a positioning hole is formed in the inner wall of the mounting hole, the second elastic member includes a second spring disposed in the positioning hole, and the second spring presses the positioning ball to the positioning groove. The lock cylinder is rotated on the lock cover with a rotation axis extending in a vertical direction, and the second spring applies an elastic force to the detent ball from a radial direction of the lock cylinder so that the detent ball is pressed against a bottom surface of the detent groove.

As a further improvement of the above technical scheme, the base top surface is provided with an upper avoidance hole, the base bottom surface is just right the position of the upper avoidance hole is provided with a lower avoidance hole, the aperture of the lower avoidance hole is smaller than the aperture of the upper avoidance hole, the lock rod has a lock head, is connected in the body of rod of lock head bottom side, first elastic component includes first spring, first spring cup joint in the outside of the body of rod, the top of first spring with the lock head offsets, the bottom of first spring with the bottom surface of the upper avoidance hole offsets, the body of rod can pass the lower avoidance hole. Dodge the hole down and can carry on spacingly to the locking lever, and first spring cup joints in the locking lever outside to it is downthehole to be located to dodge, and the tapered end offsets with the guide face, and the guide face is exerted pressure to first spring through the tapered end, makes first spring compression, and when the guide reduced in the face of the pressure of tapered end, first spring recovered and driven the locking lever upward movement through the tapered end.

As a further improvement of the above technical scheme, the top surface of base is provided with the spacing post that upwards extends, spacing post is just right the position of last dodging the hole is provided with runs through the through-hole, the tapered end can get into run through in the through-hole, be provided with the passageway of dodging that runs through along the fore-and-aft direction in the spacing post, dodge the passageway and extend to the top side of spacing post, dodge the passageway with run through the through-hole and communicate each other, be provided with the deflector that extends along the fore-and-aft direction in the locking closure, the bottom surface of deflector has the guide face, the deflector inserts in dodging the passageway. The through hole that runs through that spacing post formed can be spacing to the lock head, reduces rocking when the locking lever moves from top to bottom to behind the deflector inserted the passageway of dodging of spacing post, it is spacing to do the locking closure, further improves the stability of relative slip between locking closure and the base.

As a further improvement of the above technical scheme, the left side wall of the spacing post is provided with a left slider, the right side wall of the spacing post is provided with a right slider, the inside wall of the locking cover is just right the position of the left slider is provided with a left chute, the left chute extends along the front-back direction, the inside wall of the locking cover is just right the position of the right slider is provided with a right chute, the right chute extends along the front-back direction, the left slider is connected in the left chute in a matched manner, and the right slider is connected in the right chute in a matched manner. Through the mutual cooperation connection of left spout, right spout on spacing post left slider, right slider and the locking closure inside wall, realize the sliding connection between locking closure and the base, avoid from upper and lower direction looks alternate segregation between locking closure and the base.

As a further improvement of the above technical solution, a baffle extends upward from the front end of the base, a left side wing protruding leftward is disposed on the left side of the baffle, a right side wing protruding rightward is disposed on the right side of the baffle, an upper limit bar, a left limit bar and a right limit bar are disposed at the front end of the lock cover, when the lock cover slides forward to the end of the stroke, the upper limit bar is located on the top side of the baffle, the left limit bar is located on the bottom side of the left side wing, and the right limit bar is located on the bottom side of the right side wing. When the locking closure slided forward to the stroke end, utilize upper limit strip, left limit strip, right limit strip to the upper and lower, left and right direction of baffle to inject for the cooperation between locking closure front end and the base front end is inseparabler, reduces relative rocking between the two, further improves overall structure stability.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic overall exploded view of the present invention;

FIG. 2 is an overall assembly schematic of the present invention;

FIG. 3 is a perspective view of the locking cap of the present invention;

fig. 4 is a perspective view of the lock cylinder of the present invention.

In the drawings: 100-base, 110-limiting block, 120-second elastic piece, 130-positioning ball, 140-limiting column, 141-avoiding channel, 142-left sliding block, 143-right sliding block, 150-left sliding groove, 160-right sliding groove, 170-baffle, 171-left flank, 172-right flank, 200-locking cover, 210-mounting hole, 220-positioning hole, 230-guide plate, 231-guide surface, 300-locking rod, 310-first elastic piece, 400-lock core, 410-lock hole, 420-positioning groove and 430-stop block.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, 2, 3 and 4, a screen window fixing member includes a base 100 and a lock cover 200 slidably connected to a top side of the base 100, the lock cover 200 is capable of moving on the base 100 in a front-back direction, a guide surface 231 extending from back to front in the lock cover 200 in an inclined manner, a lock rod 300 capable of moving up and down is disposed in the base 100, a first elastic member 310 is disposed between the base 100 and the lock rod 300, a top end of the lock rod 300 abuts against the guide surface 231, the first elastic member 310 has a tendency of pressing the lock rod 300 to the guide surface 231, the top side of the lock cover 200 is rotatably connected with a lock cylinder 400, a top end surface of the lock cylinder 400 is provided with a lock hole 410, an outer side wall of the lock cylinder 400 is provided with at least two positioning grooves 420 along a circumferential direction of the lock cylinder 400, and a second elastic member 120, a second elastic member, and a second elastic member are disposed in the lock cover 200, A positioning ball 130 connected to the second elastic member 120, the second elastic member 120 having a tendency to press the positioning ball 130 toward any one of the positioning grooves 420, a stopper 430 connected to a bottom end of the lock cylinder 400, a stopper 110 provided on a top surface of the base 100, the stopper 430 and the stopper 110 being staggered in a front-rear direction when the lock cylinder 400 is rotated such that the positioning ball 130 enters any one of the positioning grooves 420; when the key cylinder 400 is rotated so that the detent ball 130 enters the other detent recess 420, the stopper 430 and the stopper 110 interfere with each other in the front-rear direction.

As can be seen from the above, when the lock cover 200 needs to be shifted to move back and forth on the sliding seat, the lock core 400 is rotated to make the stopper 430 and the stopper 110 staggered with each other in the front and rear directions, at this time, the stopper 430 and the stopper 110 do not interfere with each other, the lock cover 200 can be shifted backward, because the guide surface 231 is tilted upward from back to front, the first elastic member 310 presses the lock rod 300 upward, the lock rod 300 is gradually lifted up along the guide surface 231, at this time, the entire screen and window frame is in the unlocked state, the lock cover 200 is shifted forward, the guide surface 231 presses the lock rod 300 downward, at this time, the entire screen and window frame is in the locked state, if it is needed to maintain this state, the lock core 400 is rotated to make the positioning ball 130 enter into the other positioning groove 420, at this time, because the stopper 430 and the stopper 110 interfere with each other in the front and rear directions, that is, that the stopper 110 restricts the stopper 430 from moving backward, thereby playing the child lock function, therefore, when the whole body has a locking function, the relative sliding between the lock cover 200 and the base 100 is limited, and the safety accident problem caused by the mistaken touch of children is avoided.

In the above embodiment, the stoppers 430 may have different lengths and widths, when one side of the length faces backward, the stoppers 110 may block the stoppers 430, and when one side of the width faces backward, the stoppers 110 may not block the stoppers 430, in order to limit the stoppers 430 when the stoppers 430 pass by the side of the stoppers 110, in this embodiment, two stoppers 110 are spaced apart from each other in the left-right direction on the top surface of the base 100, an escape gap is formed between the two stoppers 110, and when the lock cylinder 400 is rotated to allow the positioning ball 130 to enter any one of the positioning grooves 420, the stoppers 430 face the escape gap; when the lock cylinder 400 is rotated so that the detent ball 130 enters the other detent recess 420, the stopper 430 interferes with the two stoppers 110 in the front-rear direction. The base 100 is provided with two limiting blocks 110, an avoidance gap is formed between the two limiting blocks 110 so that the stop block 430 can pass through when moving back and forth, and the stability of the lock cover 200 when moving back and forth on the sliding seat can be improved by utilizing the left and right movement limitation of the limiting blocks 110 on the stop block 430.

As an embodiment of mounting the lock cylinder 400 on the lock cover 200, the lock cylinder 400 is provided with a mounting hole 210 on the top surface of the lock cover 200, the lock cylinder 400 is rotatably connected in the mounting hole 210, a positioning hole 220 is formed on the inner wall of the mounting hole 210, and the second elastic member 120 includes a second spring disposed in the positioning hole 220, and the second spring presses the positioning ball 130 toward the positioning groove. The key cylinder 400 is rotated on the lock cover 200 with a rotation axis extending in a vertical direction, and the second spring applies an elastic force to the detent ball 130 from a radial direction of the key cylinder 400 so that the detent ball 130 is pressed against a bottom surface of the detent groove 420.

In the above embodiment, a through hole may be formed in the base 100, and after the locking rod 300 is inserted into the through hole, the locking rod 300 may move up and down in the base 100, in practical use, when the screen and the window frame need to be locked, the locking rod 300 may pass through the base 100, and when the screen and the window frame need not to be locked, the locking rod 300 may retract into the base 100, in this embodiment, the top surface of the base 100 is provided with an upper avoiding hole, the bottom surface of the base 100 is provided with a lower avoiding hole at a position facing the upper avoiding hole, the aperture of the lower avoiding hole is smaller than that of the upper avoiding hole, the locking rod 300 has a lock head and a rod body connected to the bottom side of the lock head, the first elastic member 310 includes a first spring, the first spring is sleeved outside the rod body, the top end of the first spring abuts against the lock head, and the bottom end of the first spring abuts against the bottom surface of the upper avoiding hole, the rod body can penetrate through the lower avoidance hole. Dodge the hole down and can carry on spacingly to locking lever 300, and first spring cup joints in the locking lever 300 outside to it is downthehole to be located to dodge, and the tapered end offsets with guide face 231, and guide face 231 exerts pressure through the tapered end to first spring, makes first spring compression, and when guide face 231 reduced the pressure of tapered end, first spring recovered and driven locking lever 300 through the tapered end and upwards moved.

In this embodiment, the top surface of base 100 is provided with the spacing post 140 that upwards extends, spacing post 140 is just right the position of last dodging the hole is provided with the through-hole, the tapered end can get into it is downthehole to run through, be provided with the passageway 141 of dodging that runs through along the fore-and-aft direction in the spacing post 140, dodge passageway 141 and extend to the top side of spacing post 140, dodge passageway 141 with run through the through-hole intercommunication each other, be provided with the deflector 230 that extends along the fore-and-aft direction in the locking closure 200, the bottom surface of deflector 230 has guide face 231, deflector 230 inserts in dodging the passageway 141. The through hole formed by the limiting column 140 can limit the lock head, so that the shaking of the lock rod 300 during the up-and-down movement is reduced, and the lock cover 200 can be limited after the guide plate 230 is inserted into the avoiding channel 141 of the limiting column 140, so that the stability of the relative sliding between the lock cover 200 and the base 100 is further improved. The avoidance channel 141 divides the guide plate 230 into a left part and a right part, and in practical application, the left part and the right part can be further divided, for example, notches communicated with the through holes are arranged on the left part and the right part, so that the left part and the right part are divided into two parts in front and back, the effect of the limiting column 140 can be ensured, and the whole weight can be reduced.

The locking closure 200 is connected to the base 100 in a sliding manner, and has a plurality of structures, such as the direct arrangement of the sliding of the locking closure 200 on the base 100 through the matching of the sliding rail sliding grooves, in this embodiment, the left side wall of the limit column 140 is provided with the left sliding block 142, the right side wall of the limit column 140 is provided with the right sliding block 143, the inner side wall of the locking closure 200 is just opposite to the position of the left sliding block 142 is provided with the left sliding groove 150, the left sliding groove 150 extends along the front-back direction, the inner side wall of the locking closure 200 is just opposite to the position of the right sliding block 143 is provided with the right sliding groove 160, the right sliding groove 160 extends along the front-back direction, the left sliding block 142 is connected to the left sliding groove 150 in a matching manner, and the right sliding block 143 is connected to the right sliding groove 160 in a matching manner. Through the mutual matching connection of the left slider 142 and the right slider 143 on the limiting column 140 and the left sliding groove 150 and the right sliding groove 160 on the inner side wall of the lock cover 200, the sliding connection between the lock cover 200 and the base 100 is realized, and the lock cover 200 and the base 100 are prevented from being separated from each other from the up-down direction.

In order to improve the structural stability when the locking cover 200 is locked with the base 100, the front end of the base 100 extends upwards to form a baffle plate 170, the left side of the baffle plate 170 is provided with a left side wing 171 protruding leftwards, the right side of the baffle plate 170 is provided with a right side wing 172 protruding rightwards, the front end of the locking cover 200 is provided with an upper limit strip, a left limit strip and a right limit strip, when the locking cover 200 slides forwards to the stroke end, the upper limit strip is positioned on the top side of the baffle plate 170, the left limit strip is positioned on the bottom side of the left side wing 171, and the right limit strip is positioned on the bottom side of the right side wing 172. When the locking cap 200 slides forward to the end of the stroke, the upper limit strip, the left limit strip and the right limit strip are used for limiting the baffle 170 in the up-down direction and the left-right direction, so that the front end of the locking cap 200 is matched with the front end of the base 100 more tightly, relative shaking between the front end of the locking cap 200 and the front end of the base 100 is reduced, and the stability of the whole structure is further improved.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A screen window fastener characterized by: including base (100), sliding connection in locking lid (200) on base (100) top side, locking lid (200) can be in along the fore-and-aft direction motion on base (100), have in locking lid (200) by the back to guide face (231) that extend to the preceding slant, be provided with locking lever (300) that can move about from top to bottom in base (100), base (100) with be provided with first elastic component (310) between locking lever (300), the top of locking lever (300) with guide face (231) offset, first elastic component (310) have with locking lever (300) press to the trend of guide face (231), the top side of locking lid (200) is rotated and is connected with lock core (400), the top terminal surface of lock core (400) is provided with lockhole (410), the lateral wall of lock core (400) is followed the circumference of lock core (400) is provided with two at least location recess (420), a second elastic piece (120) and a positioning ball (130) connected to the second elastic piece (120) are arranged in the lock cover (200), the second elastic piece (120) has a tendency of pressing the positioning ball (130) to any one of the positioning grooves (420), a stopper (430) is connected to the bottom end of the lock cylinder (400), a limiting block (110) is arranged on the top surface of the base (100), and when the lock cylinder (400) is rotated to enable the positioning ball (130) to enter any one of the positioning grooves (420), the stopper (430) and the limiting block (110) are mutually staggered in the front-back direction; when the lock cylinder (400) is rotated to enable the positioning ball (130) to enter the other positioning groove (420), the stop block (430) and the limiting block (110) are interfered with each other in the front-back direction.

2. A screen fastener as claimed in claim 1, wherein: two limiting blocks (110) are arranged on the top surface of the base (100) at intervals along the left-right direction, an avoidance gap is formed between the two limiting blocks (110), and when the lock cylinder (400) is rotated to enable the positioning ball (130) to enter any one of the positioning grooves (420), the stop block (430) is opposite to the avoidance gap; when the lock core (400) is rotated to enable the positioning ball (130) to enter the other positioning groove (420), the stop block (430) and the two limiting blocks (110) are interfered with each other in the front-back direction.

3. A screen fastener as claimed in claim 1, wherein: the top surface of the lock cover (200) is provided with a mounting hole (210), the lock cylinder (400) is rotatably connected in the mounting hole (210), the inner wall of the mounting hole (210) is provided with a positioning hole (220), the second elastic part (120) comprises a second spring arranged in the positioning hole (220), and the second spring presses the positioning ball (130) to the positioning groove.

4. A screen fastener as claimed in claim 1, wherein: the base (100) top surface is provided with and dodges the hole, base (100) bottom surface is just right the position of dodging the hole on is provided with down dodges the hole, the aperture of dodging the hole down is less than on dodge the aperture of hole, locking lever (300) have the tapered end, connect in the body of rod of tapered end bottom side, first elastic component (310) include first spring, first spring cup joint in the outside of the body of rod, the top of first spring with the tapered end offsets, the bottom of first spring with on dodge the bottom surface of hole and offset, the body of rod can pass down dodge the hole.

5. A screen fastener as claimed in claim 4, wherein: the top surface of base (100) is provided with spacing post (140) that upwards extends, spacing post (140) are just right the position of last dodging the hole is provided with runs through the through-hole, the tapered end can get into run through in the through-hole, be provided with in spacing post (140) along the passageway (141) of dodging that the fore-and-aft direction runs through, dodge passageway (141) and extend to the top side of spacing post (140), dodge passageway (141) with run through the through-hole and communicate each other, be provided with deflector (230) that extend along the fore-and-aft direction in lock lid (200), the bottom surface of deflector (230) has guide face (231), deflector (230) insert in dodging passageway (141).

6. A screen fastener as claimed in claim 5, wherein: the left side wall of spacing post (140) is provided with left slider (142), the right side wall of spacing post (140) is provided with right slider (143), the inside wall of locking closure (200) is just right the position of left slider (142) is provided with left spout (150), left side spout (150) extend along the fore-and-aft direction, the inside wall of locking closure (200) is just right the position of right slider (143) is provided with right spout (160), right spout (160) extend along the fore-and-aft direction, left side slider (142) cooperation connect in left spout (150), right side slider (143) cooperation connect in right spout (160).

7. A screen fastener as claimed in claim 1, wherein: the front end of base (100) upwards extends has baffle (170), the left side of baffle (170) has left convex left side wing (171) to the left, the right side of baffle (170) has right convex right side wing (172), the front end of locking closure (200) is provided with upper limit strip, left limit strip and right limit strip, when locking closure (200) slided forward to the stroke end, upper limit strip is located baffle (170) top side, left limit strip is located the bottom side of left flank (171), right limit strip is located the bottom side of right flank (172).