CN211342284U - Door distance limiter - Google Patents

Abstract

The utility model discloses a door distance limiter, including being used for installing the base on the door plant, movable mounting is in casing on the base to and be used for pinning the lock body of door frame, be equipped with first locking piece on the lock body, the casing base rotation relatively or translation are with protrusion in the door plant, and make first locking piece is spacing with the door frame cooperation. The utility model discloses a with casing movable mounting on the base, the casing can be relative base rotation or translation with the protrusion in the door plant, carry on spacingly to the interval between door plant and the door frame, still be used for pinning the lock body of door frame through setting up, carry out the duplicate locking to door plant and door frame, under the duplicate locking state, can guarantee that the door keeps certain safety gap, prevent child's tong, also can prevent that child from opening the door from the room in, improved greatly apart from spacing reliability and stability.

Description

Door distance limiter

Technical Field

The utility model relates to a safety protection articles for use technical field, concretely relates to door distance stopper.

Background

A door distance limiter is a device that limits the degree of opening of a door. In daily life, when the door is opened, the door is easily locked under the condition of large external force, people can hurt the body when passing through the door, and violent impact sound is generated between the door frame and the wall, so that the door plate is damaged to a certain extent. Through using the door apart from the stopper, there is certain safe space between door frame and the door plant all the time for the door is when opening, even receive great external force and can not close the door yet, can not produce violent striking between door frame and the wall yet, can be fine play safety protection's effect to door and wall.

There are also some related products on the market at present, such as "a prevent tong door shield" disclosed in utility model 201120439750.0, which is composed of a main body, a cover and a base, the main body is arranged on the base, the cover is arranged on the main body, and the main body can rotate on the base. Bond the door shield on the door during use, rotatory main part can realize according to the use needs, and convenient to use also can guarantee that the door keeps certain safe gap. However, the anti-pinch door stop has the following problems: children can open the door from the room or outside the room easily, if meet great external force, the door shield can drop, can not guarantee the normal use under the condition of ventilation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect, the utility model discloses a technical scheme lie in, provide a door apart from stopper, including being used for installing the base on the door plant, movable mounting is in casing on the base to and be used for pinning the lock body of door frame, be equipped with first locking piece on the lock body, casing base rotation or translation relatively are in order to protrusion in the door plant, and make first locking piece is spacing with the door frame cooperation.

Furthermore, the lock body is hinged to the shell, the first lock block is foldable relative to the shell, a lock body accommodating cavity is formed in the shell, and at least part of the first lock block is accommodated in the lock body accommodating cavity after being folded.

Furthermore, a locking assembly used for fixing the base and the shell is arranged on the base, an unlocking assembly used for triggering the locking assembly to unlock is arranged on the shell, a positioning ring is arranged on the shell, and the locking assembly is matched and limited in the positioning ring;

the locking assembly comprises a fixed seat and a linkage locking block, the fixed seat is arranged on the base, and the linkage locking block is arranged in the fixed seat in a telescopic manner and extends out of the fixed seat to be fixed with the shell;

the unlocking assembly comprises a pressing block which is arranged on the shell in a telescopic mode, the pressing block penetrates through the shell to be connected with the linkage locking block, and the pressing block drives the linkage locking block to be retracted into the fixed seat, so that the shell rotates along the fixed seat.

Furthermore, a sliding rail extending transversely is arranged on the base, and a guide groove matched with the sliding rail for sliding is formed in the shell;

the sliding rail is provided with a sliding groove, a second locking block for fixing the base and the shell is arranged on the sliding groove in a sliding mode, two ends of the sliding groove are provided with locking grooves for locking the second locking block, a sliding block accommodating cavity is formed in the shell, the second locking block is arranged in the sliding block accommodating cavity in a telescopic mode, and the lower end of the second locking block is limited in any one locking groove;

the shell is provided with a pressing block used for triggering unlocking of the second locking block, the pressing block penetrates through the shell to be connected with the upper end of the second locking block, the pressing block drives the second locking block to slide in the sliding block accommodating cavity, the lower end of the second locking block extends out of one of the locking grooves, the shell slides along the sliding rail, and the second locking block is driven to slide to the other locking groove on the sliding groove.

Furthermore, a second guide block is arranged in the sliding groove, the second guide block and one of the locking grooves are in inclined surface transition design, and the second guide block and the other locking groove are in vertical transition design.

Further, still be equipped with on the casing and be used for carrying on spacing buffer block to door plant and door frame, be equipped with first reference column on the casing, be equipped with the stop collar on the buffer block, the stop collar cover is established on the first reference column.

The lock body is characterized by further comprising a locking block arranged on the door frame, a limiting elastic sheet is arranged on the inner side of the lock body accommodating cavity, an inclined plane is arranged on the inner side of the limiting elastic sheet, a limiting groove matched with the limiting elastic sheet for limiting is formed in the first locking block, and the lock body is hinged in the lock body accommodating cavity through a third reset spring; when the third return spring is in a compressed state, the first lock block is fixed with the shell, and when the third return spring is in a released state, the first lock block is separated from the shell and is matched with the lock block for limiting.

Furthermore, the locking assembly further comprises an unlocking block clamped on the linkage locking block, the unlocking block is arranged on the fixed seat in a sliding mode, the upper portion of the unlocking block penetrates through the fixed seat, and the pressing block drives the push plate to push the unlocking block;

the linkage locking device comprises a fixing seat, a linkage locking block and a linkage locking block, wherein a locking block accommodating cavity is formed in the fixing seat, the linkage locking block is accommodated in the locking block accommodating cavity and extends out of the locking block accommodating cavity, and a first return spring which is abutted against the inner wall of the fixing seat is arranged in the linkage locking block.

Furthermore, a first guide block is arranged on the outer side wall of the fixing seat, an arc-shaped guide channel is formed in the lower end of the positioning ring, and the first guide block and the arc-shaped guide channel are matched and arranged in a sliding mode.

Furthermore, a second positioning column and a second return spring are further arranged on the shell, and the second return spring is sleeved on the second positioning column and is abutted against the inner wall of the pressing block.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

1. the utility model provides a pair of door is apart from stopper, through with casing movable mounting on the base, the casing can be relative base rotation or translation with protrusion in the door plant, can carry on spacingly to the interval between door plant and the door frame as required, it hurts the hand to prevent that child from pressing from both sides when passing through, play safety protection's effect, still be used for pinning the lock body of door frame through setting up, a pulling force is exerted to the door frame to first lock piece and door frame cooperation are spacing, carry out two-way locking to door plant and door frame, can prevent effectively that child from opening the door from the house or the outdoor, can guarantee that the door keeps certain safety gap, under the prerequisite of guaranteeing the room ventilation, the head of a family of also being convenient for hears the sound of child in the room, high durability and convenient use, and the stopper is difficult for droing, door is apart.

2. When the door needs to be closed, the pushing plate is driven by the pressing block to push the linkage locking block to retract the fixing seat, the base is separated from the shell at the moment, and the shell can be reversely rotated by a certain angle along the fixing seat to retract the shell on the door panel; when a certain safety gap needs to be kept between the door and the door frame, the shell rotates a certain angle along the fixed seat to protrude the door plate, and then the linkage locking block extends out of the fixed seat and is fixed with the shell; the unlocking is driven by pressing, the structure is simple and compact, and the horizontal limit of the shell to the door plate and the door frame can be effectively realized.

3. Set up first reset spring in linkage locking piece for when the casing rotates certain angle along the fixing base, linkage locking piece part auto-eject fixing base and casing are fixed, convenient operation.

4. The second locking block is matched with the sliding groove with the locking groove to be locked or slide, when the door needs to be closed, the pressing block is used for triggering the second locking block to extend out of one locking groove, at the moment, the shell and the base are unlocked, so that the shell can slide along the sliding rail to drive the second locking block to slide on the sliding groove to be locked in the other locking groove, and the translated shell limits the position between the door plate and the door frame to ensure that the door keeps a certain safety gap; when a certain safety gap needs to be kept between the door and the door frame, the pressing block is adopted to trigger the second locking block to extend out of the locking groove, the shell and the base are unlocked at the moment, the shell can slide along the sliding rail, and the second locking block slides into other locking grooves along the sliding groove.

5. In order to simplify the operation steps and avoid frequent operation of the pressing block, a second guide block in transitional connection with the lock groove is arranged in the sliding groove, the second guide block and one lock groove are in inclined surface transitional design, the other lock groove is in vertical transitional design, when the limit of the door plate and the door frame is realized, the shell slides along the sliding rail, the second lock block can slide out of one lock groove along the inclined surface and then slides into the other lock groove in the sliding groove to be locked; when the door needs to be closed, the pressing block is operated to trigger the second locking block to extend out of the locking groove from the vertical transition surface, the shell and the base are unlocked at the moment, the shell slides along the sliding rail, and the second locking block is driven to slide along the inclined surface in the sliding groove to be locked in the other locking groove.

6. The limiting elastic sheet with the inclined surface is matched with the limiting groove of the lock body for limiting, so that the lock body can be conveniently released by applying a relatively small force to the lock body, and the lock body can be effectively fixed in the lock body accommodating cavity.

7. Through set up the arc direction passageway cooperation slip of first guide block and casing lower extreme on the fixing base for the casing can be clockwise or anticlockwise rotation within certain angle range, with the positioning effect of lifting gate apart from the stopper.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural view of a first embodiment of a door distance limiter according to an embodiment of the present invention when the door distance limiter is stored in a door panel;

fig. 2 is a structural diagram of a first embodiment of a door distance limiter according to an embodiment of the present invention when the door distance limiter is bidirectionally locked on a door panel;

fig. 3 is a structural diagram of a door distance limiter according to a first embodiment of the present invention when a lock body is released;

fig. 4 is an exploded view of a first embodiment of a door distance limiter according to an embodiment of the present invention in a bi-directional locked position;

fig. 5 is an exploded view of the first embodiment of the door distance limiter from another perspective provided by an example of the present invention;

fig. 6 is a sectional view of a first embodiment of a door distance limiter in a bi-directional locking configuration provided by an example of the present invention;

fig. 7 is a structural view of the first embodiment of the present invention, with a portion of the housing removed, when the door distance limiter is stored;

fig. 8 is a structural view of a housing according to a first embodiment of the present invention;

fig. 9 is a structural diagram of a door distance limiter according to a second embodiment of the present invention;

figure 10 is an exploded view of a second embodiment door distance limiter provided by an example of the present invention;

figure 11 is a cross-sectional view of a second embodiment of the door distance limiter partially slid out of the door panel as provided by the example of the present invention;

fig. 12 is a structural diagram of the second embodiment of the present invention, in which a pressing block, a second locking block and a chute are engaged.

Wherein the reference numerals are:

1. the lock comprises a base, a shell, a lock body accommodating cavity, a 211, a limiting elastic sheet, a 2111, an inclined surface, a 212, a first cover body, a 2121, a first buckling block, a 213, a second cover body, a 2131, a second buckling block, a 22, a positioning ring, a 221, an arc-shaped guide channel, a 222, a locking notch, a 23, a first positioning column, a 24, a second positioning column, a 25, a second reset spring, a 26, a pressing through groove, a 27, a guide groove, a 28, a slide block accommodating cavity, a 29, a clamping ring, a 3, a lock body, a 31, a first locking block, a 311, a limiting groove, a 4, a locking assembly, a 41, a fixing seat, a 411, a locking block accommodating cavity, a 412, a limiting ring, a 42, a linkage locking block, a 43, an unlocking block, a 44, a first reset spring, a 45, a first guide block, a 5, an unlocking assembly, a 51, a pressing block, a 52, a push plate, a 6, a buffer block, Door frame, 11, first casing, 111, mounting groove, 112, third reference column, 113, first card hole, 12, second casing, 121, press the groove, 122, spacing post, 123, second card hole, 13, first cover plate, 131, first joint hole, 132, first fixture block, 133, through-hole, 14, second cover plate, 141, second joint hole, 142, second fixture block, 15, slide rail, 151, spout, 152, locked groove, 153, second guide block, 16, second locking piece.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

Referring to fig. 1, 2-8, the present invention provides a door distance limiter, which includes a base 1 for mounting on a door panel 9, a housing 2 movably mounted on the base 1, and a lock body 3 for locking a door frame 10, wherein the housing 2 at least partially protrudes out of the door panel 9 after rotating or translating relative to the base 1, and can limit the distance between the door panel 9 and the door frame 10 as required. The lock body 3 is provided with a first locking block 31, and the first locking block 31 is matched with the door frame 10 for limiting, so that a pulling force is applied to the door frame 10, and the door plate 9 and the door frame 10 are locked in a bidirectional mode.

When in use, the base 1 is directly fixed on the door panel 9, so that on one hand, hands of children can be prevented from being injured when passing through the base, and the door can be prevented from being opened indoors or outdoors by children, and the effect of safety protection is achieved; on the other hand can guarantee that the door keeps certain safety gap, under the prerequisite of guaranteeing the room ventilation, also be convenient for the head of a family to hear child's sound in the room, convenient to use, and the stopper is difficult for droing, has improved spacing reliability of door apart from and stability greatly.

As shown in fig. 4-7, a locking assembly 4 for fixing the base 1 and the housing 2 is disposed on the base 1, an unlocking assembly 5 for triggering the locking assembly 4 to unlock is disposed on the housing 2, a positioning ring 22 is disposed at the lower end of the housing 2, and a locking notch 222 is disposed on the inner wall of the positioning ring 22. The locking assembly 4 includes a fixing seat 41 and a linkage locking block 42 disposed on the base 1, the fixing seat 41 is limited in the positioning ring 22, a limiting ring 412 is disposed at the upper end of the fixing seat 41, and the limiting ring 412 is matched and limited on the positioning ring 22. The linkage locking block 42 is telescopically arranged in the fixed seat 41 and can extend out of the fixed seat 41 to be fixed with the locking notch 222. Unblock subassembly 5 includes that the telescopic sets up the pressing block 51 on casing 2, and the lower extreme of pressing block 51 is equipped with push pedal 52, has seted up on casing 2 and has pressed logical groove 26, and push pedal 52 slidable mounting is on pressing logical groove 26, and the lower extreme and the linkage locking piece 42 of push pedal 52 are connected, and pressing block 51 can drive push pedal 52 and promote the linkage locking piece 42 and withdraw into fixing base 41 in, make the lower extreme of casing 2 rotatory along fixing base 41.

When the door needs to be closed, the pushing plate 52 is driven by the pressing block 51 to push the linkage locking block 42 to retract the fixing seat 41, at this time, the base 1 is separated from the shell 2, the shell 2 can be rotated reversely by a certain angle along the fixing seat 41, and the shell 2 can be retracted on the door panel 9; when a certain safety gap needs to be maintained between the door panel 9 and the door frame 10, the housing 2 is rotated by a certain angle along the fixing seat 41 to protrude the door panel 9, and the linkage locking block 42 extends out of the fixing seat 41 and is fixed with the locking notch 222, that is, the base 1 is fixed with the housing 2. The door is unlocked by pressing and driving, the structure is simple and compact, the horizontal limit of the shell 2 to the door plate 9 and the door frame 10 can be effectively realized, the aim of closing the door without taking down the limiter can be achieved, and the door is convenient to use.

Preferably, the housing 2 is further provided with a second positioning column 24 and a second return spring 25, and the second return spring 25 is sleeved on the second positioning column 24 and abuts against the inner wall of the pressing block 51. The automatic reset operation is carried out after the linkage locking block 42 is unlocked by the pressing block 51 through a spring, and the operation is convenient and fast.

The lock body 3 is hinged on the shell 2, the first lock block 31 is foldable relative to the shell 2, the shell 2 is provided with an inward-concave lock body accommodating cavity 21, and at least part of the first lock block 31 is accommodated in the lock body accommodating cavity 21 after being folded. When not using, conveniently accomodate lock body 3, the security is higher, also does not occupy extra space.

Preferably, the lock further comprises a locking block 7 installed on the door frame 10, a limiting elastic sheet 211 is arranged on the inner side of the lock body accommodating cavity 21, an inclined surface 2111 is arranged on the inner side of the limiting elastic sheet 211, a limiting groove 311 matched with the limiting elastic sheet 211 for limiting is formed in the first locking block 31, and the lock body 3 is hinged in the lock body accommodating cavity 21 through a third return spring 8; when the third return spring 8 is in a compressed state, the first lock block 31 is fixed with the housing 2, and when the third return spring 8 is in a released state, the first lock block 31 is separated from the housing 2 and is matched with the lock block 7 for limiting. The limiting elastic sheet 211 with the inclined surface 2111 is matched with the limiting groove 311 of the first lock block 31 for limiting, so that the first lock block 31 can be conveniently released by applying a relatively small force to the first lock block 31, and the first lock block 31 can be effectively fixed on the shell 2.

Preferably, the first lock block 31 is a lock hook, and the lock block 7 is provided with a first projection which is in fit clamping with the lock hook, so that the first lock block 31 is locked firmly and is convenient to retract.

The locking assembly 4 further comprises an unlocking block 43 clamped on the linkage locking block 42, the unlocking block 43 is arranged on the fixed seat 41 in a sliding mode, the upper portion of the unlocking block 43 is columnar and partially penetrates through the fixed seat 41, and the pressing block 51 can drive the push plate 52 to push the unlocking block 43. The upper part of the unlocking block 43 is columnar, so that a certain pressure can be kept between the pressing block 51 and the unlocking block 43 all the time in the rotating process, and the shell 2 can rotate more smoothly and labor-saving.

Preferably, as shown in fig. 4 and 5, a locking piece accommodating cavity 411 is formed in the fixing base 41, a locking hole is formed in a side wall of the fixing base 41, the linkage locking piece 42 is accommodated in the locking piece accommodating cavity 411 and can extend out of the locking hole, and a first return spring 44 abutting against an inner wall of the fixing base 41 is formed in the linkage locking piece 42. Through setting up first reset spring 44 for when casing 2 need rotatory protrusion in door plant 9, casing 2 is rotatory certain angle along fixing base 41, and linkage locking piece 42 just partly pops out fixing base 41 and casing 2 on the fore shaft 222 fixed, convenient operation under first reset spring 44's effect.

The shell 2 is also provided with a buffer block 6 for limiting the door panel 9 and the door frame 10. The shell 2 is provided with a first positioning column 23, the buffer block 6 is provided with a limiting sleeve 61, and the limiting sleeve 61 is sleeved on the first positioning column 23. Preferably, the buffer block 6 is a soft rubber head, so that when the buffer block 6 is impacted, the impact sound can be effectively eliminated, and the noise can be reduced. Stop collar 61 is hollow structure, is equipped with the strengthening rib in the stop collar 61 to improve the intensity of stopper structure.

Casing 2 is including dismantling first casing 11 and the second casing 12 of connecting, and fore shaft 222, press logical groove 26 and set up on first casing 11, still is equipped with the mounting groove 111 that is used for installing second reference column 24 and second reset spring 25 on the first casing 11, is equipped with on the second casing 12 and presses groove 121, presses the use with pressing the cooperation of briquetting 51, makes things convenient for both hands application of force simultaneously, the operation of being convenient for.

The lock body accommodating cavity 21 is formed by splicing a first cover body 212 and a second cover body 213 which are detachably connected, the limiting elastic sheet 211 is respectively arranged on the inner side surfaces of the first cover body 212 and the second cover body 213, the first cover sheet 13 is arranged on the mounting groove 111, and the second cover sheet 14 is arranged on the pressing groove 121. First casing 11 has been seted up first card hole 113, has been seted up second card hole 123 on the second casing 12, and the lower extreme of first cover plate 13 is equipped with first joint hole 131 and first fixture block 132, has seted up the through-hole 133 that is used for installing the pressure piece 51 on the first cover plate 13. The second cover plate 14 has a second engaging hole 141 and a second engaging block 142 at a lower end thereof, the first cover 212 has a third engaging block 2121, and the second cover 213 has a fourth engaging block 2131. The first engaging block 132 is engaged with the first engaging hole 113, the second engaging block 142 is engaged with the second engaging hole 123, the first engaging hole 131 passes through the first housing 11 to be engaged with the third engaging block 2121 of the first cover 212, and the second engaging hole 141 passes through the second housing 12 to be engaged with the fourth engaging block 2131 of the second cover 213, so as to ensure reliable installation and convenient assembly and disassembly.

Preferably, the first housing 11 is provided with a third positioning column 112 inserted into the first cover 212, the second housing 12 is provided with a limiting column 122 inserted into the second cover 213, the third positioning column 112 is sleeved outside the limiting column 122, the side wall of the lock body 3 is provided with a groove, the groove is provided with a plurality of fourth positioning columns which are annularly arranged and used for positioning the third return spring 8, the third return spring 8 is limited between the plurality of fourth positioning columns, one end of the third return spring 8 is clamped between the third positioning column 112 and the limiting column 122, the other end of the third return spring 8 is abutted against the inner wall of the groove, and the end portion of the lock body 3 is sleeved on the third positioning column 112 and the limiting column 122. Through setting up third reset spring 8 compression in lock body 3, first latch 31 is accomodate in lock body holding chamber 21, and when taking out first latch 31 from lock body holding chamber 21, first latch 31 is automatic to be popped to the assigned position under third reset spring 8's elasticity effect, and the structure is compacter, and it is convenient to use.

The outer side wall of the fixing seat 41 is provided with a first guide block 45, the lower end of the positioning ring 22 is provided with an arc-shaped guide channel 221, the first guide block 45 is matched with the arc-shaped guide channel 221 to slide, and the arc-shaped guide channel 221 and the locking notch 222 are arranged oppositely. Wherein, arc guide channel 221 sets up on right casing 12, and the angle of arc guide channel 221 sets for 180 degrees for the restriction stopper can only be in 180 degrees within ranges positive and negative rotations, with the stability that improves the stopper structure.

Through set up first guide block 45 and the arc direction passageway 221 cooperation of casing 2 lower extreme and slide on fixing base 41 for casing 2 can be at certain angle within range along base 1 clockwise or anticlockwise rotation, with the positioning effect of lifting door apart from the stopper.

The utility model provides a door is apart from stopper, its theory of operation as follows: when the lock is used, the base 1 is fixed on the door plate 9, at the moment, the shell 2 is parallel to the base 1, the shell 2 is rotated by 90 degrees clockwise, at the moment, the lock port 222 on the shell 2 just faces to a lock hole, the linkage locking block 42 positioned in the locking block accommodating cavity 411 just clamps with the lock port 222 at the lower end of the shell 2 under the action of the first reset spring 44, the base 1 and the shell 2 are in a locking state at the moment, the buffer block 6 on the shell 2 partially protrudes out of the side edge of the door plate 9, one end of the lock body 3 is pulled out of the lock body accommodating cavity 21 and clamps the locking block 7, and when the buffer block 6 of the stopper collides with the door frame 10, a certain safe gap can be kept between the door plate 9 and the door frame 10, and the door plate 9 and the door frame 10 are; when the door stopper is not used, the pressing block 51 is kept pressed down, the shell 2 is rotated 90 degrees anticlockwise to return to the original position, the shell 2 is perpendicular to the base 1, the locking hole 222 in the shell 2 is gradually far away from the locking hole due to rotation, the shell 2 of the stopper is completely retracted on the door plate 9, and the purpose of closing the door without taking down the stopper is achieved.

Example 2

As shown in fig. 9-12, in the present embodiment, based on the above-mentioned embodiments, one of the optimized designs is made, the base 1 is provided with a sliding rail 15 extending transversely, and the housing 2 is provided with a guiding groove 27 sliding in cooperation with the sliding rail 15. The sliding groove 151 has been seted up on the slide rail 15, and the sliding is equipped with on the sliding groove 151 and is used for the fixed second locking piece 16 of base 1 and casing 2, and the both ends of sliding groove 151 are equipped with the locked groove 152 that is used for locking second locking piece 16, are equipped with slider holding chamber 28 in the casing 2, and the telescopic setting of second locking piece 16 is in slider holding chamber 28, and the lower extreme is spacing in arbitrary one locked groove 152. Wherein, the slide block accommodating cavity 28 is located above the sliding groove 151. The shell 2 is provided with a pressing block 51 for triggering the unlocking of the second locking block 16, the pressing block 51 penetrates through the shell 2 and is connected with the upper end of the second locking block 16, the pressing block 51 drives the second locking block 16 to slide in the sliding block accommodating cavity 28, and the lower end of the second locking block extends out of one of the locking grooves 152, so that the shell 2 slides along the sliding rail 15, and the second locking block 16 is driven to slide in the other locking groove 152 on the sliding groove 151. Preferably, a fourth return spring is provided in the second lock block 16 and abuts against the slider receiving cavity 28.

When the door needs to be closed, the pressing block 51 is used for triggering the second locking block 16 to extend out of one locking groove 152, at this time, the shell 2 and the base 1 are unlocked, so that the shell 2 can slide along the sliding rail 15 to drive the second locking block 16 to slide on the sliding groove 151 to the other locking groove 152 for locking, and the shell 2 after translation limits the position between the door plate 9 and the door frame 10, so that the door keeps a certain safety gap; when a certain safety gap needs to be kept between the door panel 9 and the door frame 10, the pressing block 51 is adopted to trigger the second locking block 16 to extend out of the locking groove 152, at the moment, the shell 2 is in contact locking with the base 1, so that the shell 2 slides along the sliding rail 15, and the second locking block 16 slides into other locking grooves 152 along the sliding groove 151.

In order to realize that the door distance limiter can partially slide out of the door panel 9 without pressing operation when the shell 2 slides relative to the base 1, preferably, a second guide block 153 is arranged in the sliding groove 151, the second guide block 153 and one of the locking grooves 152 are in an inclined plane transition design, and the second guide block 153 and the other locking groove 152 are in a vertical transition design, so that when the door panel 9 and the door frame 10 are limited, the shell 2 slides along the sliding rail 15, the second locking block 16 can slide out of one locking groove 152 along the inclined plane, and then slides into the other locking groove 152 from the sliding groove 151 for locking, thereby avoiding frequent operation of the pressing block 51 and simplifying operation steps.

Preferably, the lower end of the pressing block 51 is provided with a push plate 52, the outer side of the pressing block 51 is provided with a first anti-slip groove, the inner side of the pressing block 51 is provided with a fifth return spring abutting against the housing 2, and the spring is adopted to perform automatic return operation after the pressing block 51 unlocks the second locking block 16, which is convenient and fast.

Preferably, the upper end of the second locking piece 16 is provided with a second projection matched with the push plate 52, and the lower end of the second locking piece 16 is provided with a third projection matched with the locking groove 152 for limiting, so that the structure is simple and compact.

Preferably, the lock body 3 is hinged to the housing 2, the first lock block 31 is foldable relative to the housing 2, the housing 2 is provided with a lock body accommodating cavity 21, and the folded first lock block 31 is at least partially accommodated in the lock body accommodating cavity 21. When not using, conveniently accomodate lock body 3, the security is higher, also does not occupy extra space.

Still including installing the locking piece on door frame 10, the inboard of lock body holding chamber 21 is equipped with the spacing shell fragment 211 that has the inclined plane, offer on the first locking piece 31 with spacing shell fragment 211 cooperation spacing groove 311 spacing, lock body 3 articulates in lock body holding chamber 21 through sixth reset spring. It is ensured that a relatively small force is applied to the first locking piece 31 to facilitate the release of the first locking piece 31 and to effectively fix the first locking piece 31 to the housing 2.

Preferably, the housing 2 is further provided with a buffer block 6 for limiting the door panel 9 and the door frame 10. Be equipped with snap ring 29 on the casing 2, be equipped with the draw-in groove on the buffer block 6, draw-in groove and 29 cooperation joints of snap ring, still are equipped with the second antiskid groove on the buffer block 6. Buffer block 6 is soft rubber head, when buffer block 6 is strikeed, can effectively eliminate the impact sound, noise abatement.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A door distance limiter is characterized in that: including being used for installing base (1) on door plant (9), movable mounting is in casing (2) on base (1) to and be used for pinning lock body (3) of door frame (10), be equipped with first locking piece (31) on lock body (3), casing (2) can be relative base (1) rotation or translation in order to protrusion in door plant (9), and make first locking piece (31) are spacing with door frame (10) cooperation.

2. The door distance limiter of claim 1, wherein: the lock body (3) is hinged to the shell (2), the first lock block (31) is foldable relative to the shell (2), a lock body accommodating cavity (21) is formed in the shell (2), and at least part of the first lock block (31) is accommodated in the lock body accommodating cavity (21) after being folded.

3. The door distance limiter of claim 1, wherein: the locking device is characterized in that a locking assembly (4) used for fixing the base (1) and the shell (2) is arranged on the base (1), an unlocking assembly (5) used for triggering the locking assembly (4) to unlock is arranged on the shell (2), a positioning ring (22) is arranged on the shell (2), and the locking assembly (4) is matched and limited in the positioning ring (22);

the locking assembly (4) comprises a fixed seat (41) arranged on the base (1) and a linkage locking block (42), wherein the linkage locking block (42) is telescopically arranged in the fixed seat (41) and extends out of the fixed seat (41) to be fixed with the shell (2);

the unlocking assembly (5) comprises a pressing block (51) which is arranged on the shell (2) in a telescopic mode, the pressing block (51) penetrates through the shell (2) to be connected with the linkage locking block (42), and the pressing block (51) drives the linkage locking block (42) to be retracted into the fixed seat (41), so that the shell (2) rotates along the fixed seat (41).

4. The door distance limiter of claim 1, wherein: the base (1) is provided with a transversely extending slide rail (15), and the shell (2) is provided with a guide groove (27) which is matched with the slide rail (15) to slide;

the sliding rail (15) is provided with a sliding groove (151), the sliding groove (151) is provided with a second locking block (16) used for fixing the base (1) and the shell (2) in a sliding manner, two ends of the sliding groove (151) are provided with locking grooves (152) used for locking the second locking block (16), the shell (2) is internally provided with a sliding block accommodating cavity (28), the second locking block (16) is telescopically arranged in the sliding block accommodating cavity (28), and the lower end of the second locking block is limited in any one of the locking grooves (152);

the novel sliding type sliding door is characterized in that a pressing block (51) used for triggering unlocking of the second locking block (16) is arranged on the shell (2), the pressing block (51) penetrates through the shell (2) to be connected with the upper end of the second locking block (16), the pressing block (51) drives the second locking block (16) to slide in the sliding block accommodating cavity (28), the lower end of the second locking block extends out of one of the locking grooves (152), the shell (2) slides along the sliding rail (15), and the second locking block (16) is driven to slide in the other locking groove (152) on the sliding groove (151).

5. The door distance limiter of claim 4, wherein: a second guide block (153) is arranged in the sliding groove (151), the second guide block (153) and one of the locking grooves (152) are in a slope transition design, and the second guide block (153) and the other locking groove (152) are in a vertical transition design.

6. The door distance limiter of claim 1, wherein: still be equipped with on casing (2) and be used for carrying on spacing buffer block (6) to door plant (9) and door frame (10), be equipped with first reference column (23) on casing (2), be equipped with stop collar (61) on buffer block (6), stop collar (61) cover is established on first reference column (23).

7. The door distance limiter of claim 2, wherein: the lock body is characterized by further comprising a locking block (7) arranged on the door frame (10), a limiting elastic sheet (211) is arranged on the inner side of the lock body accommodating cavity (21), an inclined surface (2111) is arranged on the inner side of the limiting elastic sheet (211), a limiting groove (311) matched with the limiting elastic sheet (211) for limiting is formed in the first locking block (31), and the lock body (3) is hinged in the lock body accommodating cavity (21) through a third reset spring (8); when the third return spring (8) is in a compressed state, the first locking block (31) is fixed with the shell (2), and when the third return spring (8) is in a released state, the first locking block (31) is separated from the shell (2) and is matched with the locking block (7) for limiting.

8. The door distance limiter of claim 3, wherein: the locking assembly (4) further comprises an unlocking block (43) clamped on the linkage locking block (42), the unlocking block (43) is arranged on the fixed seat (41) in a sliding mode, the upper portion of the unlocking block (43) penetrates through the fixed seat (41), and the pressing block (51) drives the push plate (52) to push the unlocking block (43);

a locking block accommodating cavity (411) is formed in the fixing seat (41), the linkage locking block (42) is accommodated in the locking block accommodating cavity (411) and extends out of the locking block accommodating cavity (411), and a first return spring (44) abutted against the inner wall of the fixing seat (41) is arranged in the linkage locking block (42).

9. The door distance limiter of claim 3, wherein: be equipped with first guide block (45) on the lateral wall of fixing base (41), arc direction passageway (221) have been seted up to the lower extreme of holding ring (22), first guide block (45) and arc direction passageway (221) cooperation slip setting.

10. The door distance limiter of claim 3, wherein: the shell (2) is further provided with a second positioning column (24) and a second return spring (25), and the second return spring (25) is sleeved on the second positioning column (24) and is abutted to the inner wall of the pressing block (51).

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