CN219299032U - Door stopper - Google Patents

Abstract

The utility model provides a door stopper, a door suction head and a door stopper seat matched with the door suction head, wherein the door stopper seat comprises: the seat body, the lock tongue and the elastic telescopic piece are arranged on the seat body, and the lock tongue is rotationally connected with the seat body through a first hinge point; one end of the elastic expansion piece is connected with the seat body through a second hinging point, and the other end of the elastic expansion piece is eccentrically connected with the lock tongue through an eccentric connecting point. The door absorber can effectively reduce the attraction impact force and the door opening tension, plays a certain role in protecting the door absorber, is more convenient to install and use, and has a simple integral structure and lower manufacturing cost.

Description

Door stopper

Technical Field

The utility model relates to the technical field of door stoppers, in particular to a door stopper.

Background

With the progress of society, door stoppers are increasingly used in the lives of people, and in daily life, due to certain needs, the door is required to be in an opened state all the time, and the door stoppers are widely used as a tool for fixing door panels in various fields such as families, offices, production and the like; the door stopper comprises a door stopper base and a door stopper pile, and is mainly used for enabling the door stopper pile arranged on the door leaf to be fixed in the door stopper base arranged on the ground after the door leaf is opened, so that locking and positioning of the door leaf after the door leaf is opened are realized, and the door stopper is used for preventing the door leaf from being closed due to wind blowing or touching the door leaf. In the prior art, the door stopper adopts a column type, a suction sheet type, a vertical type and an electromagnetic electric type, the manufacturing cost of the electromagnetic electric door stopper is too high, the internal structure is too complex and not suitable for most families, the column type door stopper can generate larger impact force during the suction, and extremely large pulling force can be generated during the door opening, the stress is uneven, the tolerance to the impact force and the pulling force is smaller, the door and a door frame are often damaged easily, and the suction sheet type door stopper has low suction efficiency and small door stopper effect due to inconsistent suction direction and the movement direction of the door in a mode; there is a need for a door check that can effectively withstand and reduce impact and tension forces and that is less expensive to manufacture.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the technical problem of providing the door stopper which can realize door opening and closing buffering, has more uniform stress, simple internal structure, stronger protection on a door frame and a floor and better closing effect.

(II) technical scheme

In order to solve the technical problems, the utility model discloses a door stopper, which is characterized in that a door stopper head and a door stopper seat matched with the door stopper head are provided, wherein the door stopper seat comprises: the seat body, the lock tongue and the elastic expansion piece are arranged on the seat body, and the lock tongue is rotationally connected with the seat body through a first hinge point a; one end of the elastic telescopic piece is connected with the seat body through a second hinging point c, and the other end of the elastic telescopic piece is eccentrically connected with the lock tongue through an eccentric connecting point b;

when the door suction head is used, the door suction head relatively drives the lock tongue to swing by taking the first hinge point a as a center, the eccentric connection point b deflects after passing through the collinear position of the first hinge point a and the second hinge point c, and the elastic telescopic piece drives the lock tongue to continuously swing towards the deflection direction, so that the limit clamping or unlocking of the door suction head and the door suction seat is realized.

Further, the elastic expansion piece is a gas spring.

Further, the elastic expansion member includes: the telescopic rod is characterized by comprising a telescopic rod and springs arranged on the telescopic rod, one end of the telescopic rod is connected with the lock tongue, the other end of the telescopic rod is rotationally connected with one side of the base, one end of each spring is propped against the base, the other end of each spring is propped against the telescopic rod, or the springs are propped against the two ends of the telescopic rod, and the telescopic rod has elasticity kept towards the lock tongue.

Further, the telescopic rod is a hydraulic telescopic rod with resistance.

Further, when the door suction head and the door suction seat are unlocked, an included angle X formed by the eccentric connecting point b and the first hinging point a and the second hinging point c is more than or equal to 150 degrees and less than or equal to 180 degrees.

Further, the value range of the included angle X is 165 degrees or more and 175 degrees or less.

Further, when the door suction head and the door suction seat are locked, an included angle II Y formed by the eccentric connecting point b, the first hinging point a and the second hinging point c is more than or equal to 80 degrees and less than or equal to 110 degrees.

Further, the lock tongue and/or the door suction head are correspondingly provided with a contact end and a stop part; when the lock tongue or the door suction head passes through the stop part in locking, the contact end is touched to enable the lock tongue to deflect inwards and lock the door suction head through the stop part; when the door suction head or the lock tongue is unlocked, the stop part is relatively pulled to enable the lock tongue to deflect outwards for unlocking, and when the door suction head or the lock tongue is unlocked, the contact end is higher than the stop part or the stop part is contractible.

Further, the contact end is higher than the stop part.

Further, the stop part is provided with a clamping groove, and one end of the door suction head or the lock tongue is provided with a push rod; the push rod is in contact fit with the contact end when locked and gradually arranged in the clamping groove to realize limit clamping of the door suction head and the door suction seat, and is in contact fit with the stop part when unlocked and gradually separated from the clamping groove to realize separation and unlocking of the door suction head and the door suction seat.

Further, a limiting piece for limiting the swing amplitude of the lock tongue is arranged on the door stopper seat, and the door stopper seat comprises a first limiting table arranged on one side of the lock tongue.

Further, the device also comprises a second limiting table arranged on one side of the elastic telescopic piece.

Further, the end part of the telescopic rod is provided with a connector, the connector is rotationally connected with the lock tongue, and one end of the spring is abutted against the connector.

Further, support arms are formed on two sides of the connector, a containing area is formed between the connector and the support arms, the inner sides of the support arms are matched with the outer side walls of the telescopic rods, and one ends of the telescopic rods are arranged in the containing area.

Further, a limiting groove is formed in the connector, and one end of the telescopic rod is limited and arranged in the limiting groove to synchronously move with the connector.

Furthermore, a through groove is formed in the base body, and the door suction head is arranged in the through groove and matched with the clamping groove on the lock tongue to realize door suction clamping.

Further, the door stopper is fixedly arranged on the ground or on one side of the door plate, and the door suction head is fixedly arranged on the ground or on one side of the door plate.

Further, the stop part is matched with the limiting table when the stop part is not higher than the through groove, so that the contact end is arranged in the through groove.

Further, the push rod sleeve is provided with a buffer gasket, and the buffer gasket is a rubber gasket or a plastic gasket or a foam gasket.

Furthermore, a buffer cushion is arranged on the first limiting table, and the buffer cushion is a rubber cushion or a plastic cushion or a foam cushion.

Further, the seat body comprises a main body and a swing arm capable of swinging relative to the main body, the lock tongue is rotationally connected with the main body through a first hinge point a, and one end of the elastic expansion piece is connected with the main body through a second hinge point c; one end of the swing arm is connected with the lock tongue through an eccentric connection point b, and the other end of the swing arm is provided with a waist-shaped groove matched with the shaft body at the second hinging point c; when in use, the swing arm swings along with the elastic telescopic piece.

Further, the main body comprises a base plate and a cover shell covered on the base plate, the lock tongue is rotationally connected with the base plate through a first hinge point a, and one end of the elastic expansion piece is connected with the base plate through a second hinge point c; the swing arm swings with the elastic telescopic piece, so that the swing arm stretches into or stretches out of the housing.

Further, the door suction head comprises a fixed seat and a swinging plate hinged on the fixed seat, and a push rod is formed at the outer side end of the swinging plate; when in adjustment, the push rod can be opposite to the door stopper seat by swinging the swinging plate.

(III) beneficial effects

Compared with the prior art, the door stopper has the advantages that: the door has the advantages that the large impact force generated on the door suction head and the door suction seat during door suction can be effectively reduced, the door frame and the floor can be protected, meanwhile, the pulling force between the door suction head and the door suction seat can be effectively reduced when the door frame is opened, the operation is more convenient and labor-saving when a user opens the door, the door suction seat and the door suction head can be ensured to be matched through the elastic telescopic piece and the lock tongue which are arranged inside, the door plate is more convenient to suck and open, the whole structure is simple, the manufacturing cost is lower, the damping and buffering effects can be greatly improved by adopting the gas spring or the hydraulic telescopic rod, and the internal structure is more reasonable; the seat body adopts a swinging arm which can swing along with the elastic telescopic piece during suction, so that the thickness dimension of the seat body can be reduced, the seat body is prevented from being excessively protruded, the door opening of a user is influenced, and the use safety is ensured; the door suction head adopts the swinging plate, and when the installation, the accessible swinging plate makes the push rod just to the door suction seat, and the convenient adjustment reduces the installation degree of difficulty.

Drawings

FIG. 1 is a schematic view of an installation structure of a door stopper according to a first embodiment of the present utility model;

FIG. 2 is a perspective view of a door suction head according to one embodiment of the present utility model;

FIG. 3 is a perspective view of a door stopper according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a door stopper according to an embodiment of the present utility model;

FIG. 5 is a perspective view of a door stopper according to an embodiment of the present utility model with a door stopper removed from a seat body;

FIG. 6 is a schematic view showing a structure of a door stopper base with a door stopper base removed according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a door stopper according to an embodiment of the present utility model with a spring removed from the elastic telescoping member;

FIG. 8 is a schematic view of a connector of a door stopper according to an embodiment of the present utility model;

FIG. 9 is a schematic and simplified illustration of a door check embodiment of the present utility model;

FIG. 10 is a schematic illustration of the angle of departure (with the elastic telescoping member not cut away) of a door stop embodiment of the present utility model in one of locking and unlocking;

FIG. 11 is a schematic view of a second door stopper embodiment of the present utility model;

FIG. 12 is a perspective view of a second door check embodiment of the present utility model;

FIG. 13 is a cross-sectional view of a second door check embodiment of the present utility model;

FIG. 14 is a perspective view of a door suction head according to a door suction embodiment of the present utility model;

fig. 15 is a perspective view of a door stopper according to a door stopper embodiment of the present utility model;

FIG. 16 is a schematic and schematic illustration of a second suction process of a door stopper embodiment of the present utility model;

FIG. 17 is a front view of a third door check embodiment of the present utility model;

FIG. 18 is a cross-sectional view of a third door check embodiment of the present utility model;

fig. 19 is a front view of a fourth door stopper embodiment of the present utility model;

FIG. 20 is a cross-sectional view of a fourth embodiment of a door stopper of the present utility model;

FIG. 21 is a perspective view of a fifth door check embodiment of the present utility model;

FIG. 22 is a cross-sectional view of a fifth door check embodiment of the present utility model;

FIG. 23 is an exploded view of a fifth door check embodiment of the present utility model;

FIG. 24 is a perspective view of a fifth door check embodiment of the present utility model with the cover removed;

FIG. 25 is a schematic diagram of a fifth actuation process of a door check embodiment of the present utility model;

FIG. 26 is a schematic diagram of a fifth embodiment of a door check according to the present utility model in a cross-sectional view;

FIG. 27 is a perspective view of a six-door suction head according to one embodiment of the present utility model;

FIG. 28 is a perspective view of a six-door suction head in accordance with one embodiment of the present utility model;

wherein: 1 is a door suction head, 2 is a door suction seat, 201 is a seat body, 202 is a lock tongue, 212 is a contact end, 222 is a stop part, 203 is an elastic telescopic piece, 213 is a spring, 223 is a telescopic rod, 3 is a clamping groove, 4 is a connector, 7 is a support arm, 8 is a containing area, 9 is a limit groove, 10 is a through groove, 11 is a door plate, 12 is a ground, 13 is a push rod, 1401 is a limit table I, 1402 is a limit table II, 2011 is a main body, 2012 is a swing arm, 2013 is a waist-shaped groove, 2014 is a base plate, 2015 is a housing, 101 is a fixed seat and 102 is a swing plate.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1 to 10, a door stopper 1, and a door stopper seat 2 engaged with the door stopper 1, the door stopper seat 2 comprising: the seat 201, and the lock tongue 202 and the elastic expansion piece 203 which are arranged on the seat 201, wherein the lock tongue 202 is rotationally connected with the seat 201 through a first hinge point a; one end of the elastic expansion piece 203 is connected with the seat 201 through a second hinging point c, and the other end of the elastic expansion piece 203 is eccentrically connected with the lock tongue 202 through an eccentric connecting point b; during the use, door suction head 1 makes its relative drive spring bolt 202 take first pin joint a as center swing, eccentric tie point b takes place the deflection after first pin joint a and the collineation position of second pin joint c, spring telescoping member 203 drive spring bolt 202 continues the swing to deflection direction, realize door suction head 1 and door suction seat 2's spacing block or unblock, holistic simple structure, utilize spring bolt 202 and spring telescoping member 203's cooperation can realize the unblock or the block to door suction head 1, can realize buffering effectively when closing the door under spring telescoping member 203's effect, effectively reduce the great buffer force of door actuation, holistic simple structure simultaneously, spring bolt 202 and spring telescoping member 203 are articulated the setting, can realize that overall structure atress is more even.

Referring to fig. 1 to 10, the elastic expansion piece 203 is a gas spring, and the buffer and shock absorption effects can be improved by adopting the gas spring, so that the normal use of the elastic expansion piece 203 to the lock tongue 202 is ensured, and the internal structure is more reasonable.

Referring to fig. 4, 5, 6 and 7, the elastic expansion member 203 includes: the telescopic rod 223 and the spring 213 installed on the telescopic rod 223, one end of the telescopic rod 223 is connected with the lock tongue 202, the other end is rotationally connected with one side of the seat 201, one end of the spring 213 is propped against the seat 201, the other end is propped against the telescopic rod 223, or the spring 213 is propped against two ends of the telescopic rod 223, the telescopic rod 223 has elasticity kept towards the lock tongue 202, the movable setting of the telescopic rod 223 can be ensured, the rotation of the lock tongue 202 and the cooperation of the elastic telescopic piece 203 and the lock tongue 202 are facilitated, and the internal structure is reasonably arranged.

Referring to fig. 9 and 10, the telescopic rod 223 is a hydraulic telescopic rod with resistance, which can ensure that the door frame 11 and the floor 12 are buffered when the door is closed and opened, and can ensure that the pulling force when the door is opened is smaller, so that the door is effectively protected, and the service life of the door is longer.

Referring to fig. 9 and 10, when the door suction head 1 and the door suction seat 2 are not locked, the included angle X between the eccentric connection point b and the first hinge point a and the second hinge point c is 150 degrees less than or equal to X less than 180 degrees, the included angle X is proportional to the elastic force of the spring 213, and when the elastic force of the spring 213 is larger, the larger the included angle X is, the smaller the force required by the lock tongue to overcome the eccentricity is, so that the subsequent locking can be more convenient for a user, wherein in the embodiment, the more preferable included angle X is 165 degrees less than or equal to X less than or equal to 175 degrees.

Referring to fig. 9 and 10, when the door suction head 1 and the door suction seat 2 are locked, the value range of an included angle two Y formed by the eccentric connection point b and the first hinge point a and the second hinge point c is 80 degrees or less and Y is less than 110 degrees, and the included angle two Y is arranged at an angle which is maintained after locking, so that locking force is required to be ensured when the door suction head 1 and the door suction seat 2 are locked, and the door suction head 1 and the door suction seat 2 are prevented from being separated.

Referring to fig. 4, 5 and 6, the latch 202 is correspondingly provided with a contact end 212 and a stop 222; when the door suction head 1 passes the stop part 222 and touches the contact end 212 during locking, the lock tongue 202 deflects inwards and locks the door suction head 1 through the stop part 222; when the door suction head 1 is unlocked, the stop part 222 is pulled relatively to enable the lock tongue 202 to deflect outwards to unlock, and in the unlocking state, the contact end 212 is higher than the stop part 222, so that the normal use of the internal structure can be ensured, and meanwhile, the locking use between the door suction head 1 and the door suction seat 2 can be ensured.

Referring to fig. 4, 5 and 6, the stopper 222 is formed with a catching groove 3, and one end of the door suction head 1 is formed with a push rod 13; the push rod 13 is in contact fit with the contact end 212 when being locked and gradually arranged in the clamping groove 3 to realize limit clamping of the door suction head 1 and the door suction seat 2, the push rod 13 is in contact fit with the stop part 222 and gradually separated from the clamping groove 3 to realize separation unlocking of the door suction head 1 and the door suction seat 2 when being unlocked, the internal structure is reasonable in arrangement, the door suction has a buffer effect, and the door can be opened more laborsaving.

Referring to fig. 4, a limiting part for limiting the swing amplitude of the lock tongue 202 is arranged on the door stopper seat 2, and the door stopper seat comprises a first limiting table 1401 arranged on one side of the lock tongue 202 and a second limiting table 1402 arranged on one side of the elastic telescopic part 203, wherein the first limiting table 1401 and the second limiting table 1402 can play a certain role in protecting an internal structure, and meanwhile, the setting of an internal decoupling strand is more reasonable.

Referring to fig. 4, 5, 6 and 7, the end of the telescopic rod 223 is provided with a connector 4, the connector 4 is rotationally connected with the lock tongue 202, one end of the spring 213 is abutted against the connector 4, and the arrangement of the connector 4 can cooperate with the lock tongue 202 to realize hinged cooperation of the elastic telescopic piece 203 and the lock tongue 202, so that the internal structure is ensured to be more stable.

Referring to fig. 4, 5, 6 and 7, the two sides of the connector 4 are formed with the support arms 7, the accommodating area 8 is formed between the connector 4 and the support arms 7, the inner side of the support arms 7 is matched with the outer side wall of the telescopic rod 223, one end of the telescopic rod 223 is arranged in the accommodating area 8, the support arms 7 and the accommodating area 8 can ensure the matching of the connector 4 and the elastic telescopic piece 203, and the normal use of the internal structure of the internal suction seat of the internal door is ensured, so that the integral structure is simpler.

Referring to fig. 4, 5, 6 and 7, the connector 4 is provided with a limit groove 9, one end of the telescopic rod 223 is limited and arranged in the limit groove 9 to move synchronously with the connector 4, so that the limit stability between the telescopic rod 223 and the limit groove 9 can be ensured, and the normal use of the whole structure can be ensured.

Referring to fig. 4, 5, 6 and 7, the base 201 is provided with a through groove 10, the door suction head 1 is placed in the through groove 10 and cooperates with the clamping groove 3 on the lock tongue 202 to realize door-sucking clamping, the stop part 222 cooperates with the limiting platform one 1401 when not higher than the through groove 10, the contact end 212 is placed in the through groove 10, the through groove 10 can guide the push rod 13 when the door is opened and closed, and the whole structure is more reasonable.

Referring to fig. 1 and 2, the door stopper 2 is fixedly disposed on the ground 12, and the door stopper 1 is fixedly disposed on one side of the door panel 11, so that the door stopper 1 is fixed on the door panel 11, impact force and tension of the door panel 11 are reduced, and the door stopper 2 is fixed on the floor 12 to ensure the suction of the door stopper 1.

This embodiment door stopper can guarantee the cooperation on the door stopper through the elastic expansion piece and the spring bolt that set up inside, can reduce effectively that the door is when inhaling the great impact force that produces door stopper and door stopper seat, play the effect on protection door frame and floor, simultaneously can effectively reduce the pulling force between door stopper and the door stopper seat when the door frame opens the door, it is more convenient and more laborsaving to operate when making the user open the door, make the actuation of door plant and the door opening more convenient, holistic simple structure, manufacturing cost is lower, adopt elastic expansion piece can promote shock attenuation cushioning effect by a wide margin, inner structure sets up more rationally

Example two

Referring to fig. 11 to 16, the difference between the present embodiment and the first embodiment is that: the door-inhale seat 2 is fixed to be set up in one side of door plant 11, and door-inhale seat 2 is fixed to be set up on ground 12, and door-inhale seat 2 sets up in one side of door plant 11 can guarantee to be connected more firm with door plant 11, and door-inhale seat 1 sets up in floor 12 occupation space less, and it is more convenient to use.

According to the embodiment, the door suction seat is arranged on the door plate, the door suction head is arranged on the floor to realize the suction of the door plate, the impact force and the tension between the door plate and the floor can be effectively ensured, a certain protection effect is achieved, the whole structure occupies less space, and the suction effect of the door suction is better.

Example III

Referring to fig. 17 and 18, the present embodiment differs from the first embodiment in that: the door suction head 1 is correspondingly provided with a contact end 212 and a stop part 222; when the lock tongue 202 passes through the contact end 212 and then touches the stop part 222, the lock tongue 202 deflects inwards and the door suction head 1 is locked by the stop part 222; when the door suction head 1 is unlocked, the stop part 222 is pulled relatively to enable the lock tongue 202 to deflect outwards for unlocking.

The door stopper of this embodiment is through backstop portion and the contact end setting on the door stopper, realizes the separation unblock and the spacing block to door suction head and door stopper seat, holistic simple structure, and it is more convenient to use, and spacing card and locking effect are better, and the user uses more laborsaving simultaneously.

Example IV

Referring to fig. 19 and 20, the difference between the present embodiment and the third embodiment is that: the door suction seat 2 is fixedly arranged on one side of the door plate 11, and the door suction head 1 is fixedly arranged on the ground 12.

Referring to fig. 19 and 20, the push rod 13 is sleeved with a buffer gasket, the buffer gasket is a rubber gasket or a plastic gasket or a foam gasket, the first limiting platform 1401 is provided with a buffer cushion, and the buffer cushion is a rubber gasket or a plastic gasket or a foam cushion, so that a certain buffer and shock absorption effect can be achieved on an internal structure, the service life can be effectively prolonged, and the normal use of the door suction head 1 and the door suction seat 2 is ensured.

The door stopper of this embodiment is fixed through the fixed setting of door stopper seat in one side of door plant, and the door suction head is fixed to be set up subaerial, can effectively guarantee impact force and pulling force between door plant and the floor, plays certain guard action, and holistic structure occupation space is few, and the actuation effect of door stopper is better, adopts setting such as buffer ring and foam packing ring in addition can further improve inner structure buffer force, can play guard action in the time of the noise abatement.

Example five

Referring to fig. 21 to 26, the difference between the present embodiment and the second embodiment is that: the base 201 includes a main body 2011 and a swing arm 2012 swingable with respect to the main body 2011.

The lock tongue 202 is rotationally connected with the main body 2011 through a first hinge point a, and one end of the elastic expansion piece 203 is connected with the main body 2011 through a second hinge point c; one end of the swing arm 2012 is connected with the lock tongue 202 through an eccentric connection point b, and the other end is provided with a waist-shaped groove 2013 matched with the shaft body at a second hinge point c, and the shaft body at the second hinge point c passes through the waist-shaped groove 2013; in use, the swing arm 2012 swings with the elastic expansion member 203.

In order to facilitate manufacturing, the main body 2011 adopts a split structure, the main body 2011 comprises a base plate 2014 and a cover 2015 covered on the base plate 2014, the lock tongue 202 is rotationally connected with the base plate 2014 through a first hinge point a, and one end of the elastic expansion piece 203 is connected with the base plate 2014 through a second hinge point c; the outer side end of the housing 2015 is provided with a groove body which is convenient for the swing arm 2012 to swing in or out, the swing arm 2012 covers the groove body under a normal state and naturally transits with the outer wall surface of the housing 2015, and when in use, the swing arm 2012 swings along with the elastic expansion piece 203, so as to extend into or extend out of the housing 2015.

In the second embodiment, the seat 201 does not adopt a swing arm, so that sufficient swing space needs to be reserved in the seat 201 in order to adapt to the swing amplitude of the elastic expansion piece 203 and the lock tongue, and therefore, the thickness of the seat 201 is overlarge, when the door is opened, the protruding shell is easy to collide with the leg of the door opener, and the use is not safe enough; in this embodiment, the swing arm 2012 is adopted, when in use, the swing arm 2012 can swing along with the elastic telescopic member 203, so as to provide sufficient swing space for the elastic telescopic member 203 and the lock tongue, and when in a door opening state, the seat 201 can keep a thinner thickness, and the outer wall of the seat 201 cannot protrude too much, so that the use safety is ensured; when the door is sucked, the swing arm 2012 swings outwards, and at the moment, the door is attached to the door stopper, and even if the swing arm 2012 protrudes, the door stopper cannot touch a human body.

Example six:

referring to fig. 27 and 28, the difference between the present embodiment and the first embodiment is that: the door suction head 1 has a different structure.

In this embodiment, the door suction head 1 includes a fixing base 101 and a swing plate 102 hinged on the fixing base 101, the fixing base 101 is used for connecting with the door plate, and a push rod 13 is formed at the outer side end of the swing plate 102; during adjustment, the swinging plate 102 can be swung to enable the push rod 13 to face the door stopper seat 2.

When the door suction head 1 and the door suction seat 2 are installed, the positions of the door suction head 1 and the door suction seat 2 need to be corresponding, and when the door suction head and the door suction seat are actually installed, repeated positioning or repeated installation is needed for many times, so that time and labor are wasted; in this embodiment, the swinging plate 102 is adopted, and the position of the push rod 13 can be adjusted by swinging the swinging plate 102, so that the adjustment is convenient, the installation difficulty is reduced, and the installation is more convenient.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (22)

1. A door stopper, characterized by, door stopper (1) and with door stopper seat (2) of door stopper (1) complex, door stopper seat (2) include: the novel lock comprises a seat body (201), and a lock tongue (202) and an elastic expansion piece (203) which are arranged on the seat body (201), wherein the lock tongue (202) is rotationally connected with the seat body (201) through a first hinge point (a); one end of the elastic telescopic piece (203) is connected with the seat body (201) through a second hinging point (c), and the other end of the elastic telescopic piece (203) is eccentrically connected with the lock tongue (202) through an eccentric connecting point (b);

the lock tongue (202) and/or the door suction head (1) are correspondingly provided with a contact end (212) and a stop part (222); when the lock tongue (202) or the door suction head (1) passes through the stop part (222) and touches the contact end (212) during locking, the lock tongue (202) deflects inwards and locks the door suction head (1) through the stop part (222); when the door suction head (1) or the lock tongue (202) is unlocked, the stop part (222) is relatively pulled to enable the lock tongue (202) to deflect outwards for unlocking; in the unlocking state, the contact end (212) is higher than the stop part (222) in level or the stop part (222) can be contracted;

when the door suction head is used, the door suction head (1) relatively drives the lock tongue (202) to swing by taking the first hinge point (a) as the center, the eccentric connection point (b) deflects after passing through the collinear position of the first hinge point (a) and the second hinge point (c), and the elastic telescopic piece (203) drives the lock tongue (202) to continuously swing towards the deflection direction, so that the limit clamping or unlocking of the door suction head (1) and the door suction seat (2) is realized.

2. Door stopper according to claim 1, wherein said elastic expansion element (203) is a gas spring.

3. Door stopper according to claim 1, wherein said elastic telescopic member (203) comprises: the telescopic rod (223) and install spring (213) on telescopic rod (223), the one end of telescopic rod (223) with spring bolt (202) is connected, the other end with pedestal (201) one side rotates to be connected, spring (213) one end support lean on pedestal (201), the other end support lean on telescopic rod (223), perhaps spring (213) support lean on telescopic rod (223) both ends, and make telescopic rod (223) have to spring force that spring bolt (202) direction kept.

4. A door stopper according to claim 3, wherein the telescopic rod (223) is a hydraulic telescopic rod with resistance.

5. Door stopper according to claim 1, characterized in that the angle (X) between the eccentric connection point (b) and the first and second hinge points (a, c) is in the range of 150 ° -X < 180 ° when the door stopper (1) and the door stopper seat (2) are not locked.

6. The door stopper according to claim 5, wherein the included angle (X) has a value in the range of 165.ltoreq.X.ltoreq.175.

7. Door stopper according to claim 1, characterized in that when the door stopper (1) and the door stopper seat (2) are locked, the included angle (Y) between the eccentric connecting point (b) and the first hinge point (a) and the second hinge point (c) is in the range of 80 ° -Y < 110 °.

8. Door stopper according to claim 1, wherein the stop portion (222) is formed with a clamping groove (3), and wherein one end of the door suction head (1) or the latch tongue (202) is formed with a push rod (13); the push rod (13) is in contact fit with the contact end (212) when locked and is gradually arranged in the clamping groove (3) to realize limit clamping of the door suction head (1) and the door suction seat (2), and the push rod (13) is in contact fit with the stop part (222) when unlocked and is gradually separated from the clamping groove (3) to realize separation unlocking of the door suction head (1) and the door suction seat (2).

9. Door stopper according to claim 1, wherein the contact end (212) is higher than the stop (222).

10. The door stopper according to claim 8, wherein the door stopper seat (2) is provided with a limiting member for limiting the swing amplitude of the lock tongue (202), and the door stopper comprises a first limiting table (1401) arranged on one side of the lock tongue (202).

11. The door stopper according to claim 10, further comprising a second stopper (1402) provided on one side of the elastic expansion member (203).

12. A door stopper according to claim 3, wherein the end of the telescopic rod (223) is provided with a connector (4), the connector (4) is rotatably connected with the lock tongue (202), and one end of the spring (213) abuts against the connector (4).

13. Door stopper according to claim 12, wherein the two sides of the connecting head (4) are provided with support arms (7), a containing area (8) is formed between the connecting head (4) and the support arms (7), the inner side of the support arms (7) is matched with the outer side wall of the telescopic rod (223), and one end of the telescopic rod (223) is arranged in the containing area (8).

14. Door stopper according to claim 12, wherein the connector (4) is provided with a limit groove (9), and one end of the telescopic rod (223) is limited and arranged in the limit groove (9) to move synchronously with the connector (4).

15. The door stopper according to claim 10, wherein the seat body (201) is provided with a through groove (10), and the door stopper (1) is arranged in the through groove (10) and is matched with the clamping groove (3) on the lock tongue (202) to realize door stopper clamping.

16. Door stopper according to claim 1, characterized in that the door stopper seat (2) is fixedly arranged on the ground (12) or the door stopper seat (2) is fixedly arranged on one side of the door panel (11), and the door suction head (1) is fixedly arranged on the ground (12) or the door suction head (1) is fixedly arranged on one side of the door panel (11).

17. The door stopper according to claim 15, wherein the stopper portion (222) cooperates with the first stopper (1401) when not higher than the through slot (10) so that the contact end (212) is placed in the through slot (10).

18. Door stopper according to claim 8, wherein the push rod (13) is provided with a buffer gasket, which is a rubber gasket or a plastic gasket or a foam gasket.

19. The door stopper according to claim 10, wherein a cushion pad is arranged on the first limiting platform (1401), and the cushion pad is a rubber pad or a plastic pad or a foam pad.

20. Door stopper according to claim 1, wherein the seat (201) comprises a main body (2011) and a swing arm (2012) swingable with respect to the main body (2011), the tongue (202) being rotatably connected to the main body (2011) via a first hinge point (a), one end of the elastic expansion member (203) being connected to the main body (2011) via a second hinge point (c); one end of the swing arm (2012) is connected with the elastic expansion piece (203) through an eccentric connection point (b), and the other end of the swing arm is provided with a waist-shaped groove (2013) which is matched with the shaft body at the second hinging point (c); in use, the swing arm (2012) swings with the elastic expansion piece (203).

21. Door stopper according to claim 20, wherein said main body (2011) comprises a base plate (2014) and a cover (2015) covering said base plate (2014), said tongue (202) being rotatably connected to said base plate (2014) via a first hinge point (a), one end of said elastic expansion element (203) being connected to said base plate (2014) via a second hinge point (c); the swing arm (2012) swings following the elastic expansion piece (203) so as to extend into or out of the housing (2015).

22. Door stopper according to claim 1, wherein the door stopper (1) comprises a fixed seat (101) and a swinging plate (102) hinged on the fixed seat (101), the outer side end of the swinging plate (102) being formed with a push rod (13); when in adjustment, the push rod (13) can be opposite to the door stopper seat (2) through swinging the swinging plate (102).

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