CN211818811U

CN211818811U - Swing type electromagnetic door stopper

Info

Publication number: CN211818811U
Application number: CN202020024801.2U
Authority: CN
Inventors: 何鹏程; 傅学战
Original assignee: Ningbo Handi Hardware Manufacturing Co ltd
Current assignee: Ningbo Handi Hardware Manufacturing Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-30
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an oscillating electromagnetism door-inhale, including door-inhale main part and suction disc, the door-inhale main part includes base and electro-magnet, the middle part of base is the protruding swing backup pad that has stretched of upper reaches, the swing hole has been seted up at the middle part of swing backup pad, the one end in swing hole is fixed with the swing bearing frame, the swing bearing frame internal rotation is connected with the swing pivot, the swing hole is passed and swing piece is connected with to the one end that the swing pivot deviates from the swing bearing frame, swing piece passes through fixation nut fixed connection with swing bearing, swing piece is parallel and can rotate round the swing pivot with the swing backup pad, the one end that the swing piece deviates from the base is the link, the. The utility model discloses the electro-magnet is fixed on the link of swaing the piece, and it can be rotatory round the swing pivot to sway the piece, and it is rotatory to drive the electro-magnet to change the electro-magnet angle come with the suction disc cooperation, has avoided having the clearance between the two, can't paste, and is fixed effectual.

Description

Swing type electromagnetic door stopper

Technical Field

The utility model relates to a fire-fighting equipment technical field, in particular to oscillating electromagnetism door-inhale.

Background

Electromagnetic door stopper is common equipment among the fire-fighting equipment, electromagnetic door stopper prevents fire door release with normally opening that prevents that fire door controller is constituteed, it has and makes to prevent that fire door keeps normally open at ordinary times, the function that can self-closing during the conflagration, realize "the outage is closed the door", can be by mains supply at ordinary times, do not occupy limited fire power supply resource, do not increase fire control power supply unit and return circuit cost, just in time cut off mains supply and realize self-closing when taking place the conflagration, thereby the unblocked nature of fire control passageway at ordinary times has been guaranteed, during the conflagration, the better efficiency of preventing fire door "smoke insulation back-fire", thereby personnel and property's security have been guaranteed.

At present, chinese patent with publication number CN205206541U discloses an electromagnetic door stopper, which comprises a steel ball, a spring, and an adjusting hexagon, wherein a cavity is arranged in the middle of the electromagnetic suction head, a coil chamber of the electromagnetic suction head is filled with epoxy resin, the steel ball, the spring, and the adjusting hexagon are sequentially arranged in the cavity in the middle of the electromagnetic suction head from outside to inside, a part of the steel ball protrudes out of the electromagnetic suction head from an opening of the cavity, the spring and the adjusting hexagon are sleeved on a screw rod in the cavity, one end of the spring pushes against the steel ball, the other end pushes against the adjusting hexagon, and the adjusting hexagon can adjust the elasticity of the spring along with the rotation of the screw rod.

Although this patent can solve the electromagnetic attraction and take off the slow problem of reaction in the zip fastener pine that remanence produced after the outage, its electromagnetic suction head is fixed, and electromagnetic suction head and suction disc cause the gapped unable subsides of both easily in the installation between them, cause the suction of electro-magnet to reduce greatly, can't reach the effect of preventing fire door location.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oscillating electromagnetism door stopper, it has the electro-magnet can swing come with the suction disc cooperation, has avoided having the clearance between the two, can't paste, and is fixed effectual.

In order to achieve the above purpose, the basic scheme of the utility model is as follows:

the utility model provides a swing electromagnetism door-inhale, includes door-inhale main part and suction plate, its characterized in that: the door-inhale main part includes base and electro-magnet, the middle part of base is the epirelief to have stretched swing backup pad, swing hole has been seted up at the middle part of swing backup pad, the one end in swing hole is fixed with the swing bearing frame, the swing bearing frame internal rotation is connected with the swing pivot, the one end that the swing pivot deviates from the swing bearing frame is passed the swing hole and is connected with the piece that sways, it passes through fixation nut fixed connection with the swing pivot to sway the piece, it is parallel and can rotate round the swing pivot with the swing backup pad to sway the piece, the one end that the piece deviates from the base is connected with the electro-.

Through adopting above-mentioned technical scheme, the electro-magnet is fixed on the link of rocking the piece, and it can be rotatory round swing pivot to rock the piece, drives the electro-magnet rotation and changes the electro-magnet angle come with the suction disc cooperation, has avoided having the clearance between the two, can't paste, and fixed effectual.

Further, a reset through hole is formed in the middle of the electromagnet, one end, deviating from the swing block, of the reset through hole is provided with a thimble, one end of the thimble stretches out of the electromagnet from the opening of the reset through hole, the other end of the thimble is connected with a thimble spring, one end, deviating from the thimble, of the thimble spring is connected with an adjusting screw, the adjusting screw is connected in the reset through hole in a threaded manner, the reset through hole is connected with a fixing screw towards one end of the swing block in a threaded manner, one end of the fixing screw stretches into the reset through hole, one end of the fixing screw stretches out of the electromagnet, a limit groove for the fixing screw to enter is formed in one face of the swing block towards the swing.

By adopting the technical scheme, the arrangement of the ejector pin and the ejector pin spring ensures that the ejector pin spring is reset to eject the ejector pin out to get rid of the attraction force generated by residual magnetism of the electromagnet after power failure, so that the pulling plate of the electromagnet can be rapidly separated from the electromagnet after power failure, and the separation speed of the sucking plate and the electromagnet can be changed by rotating the adjusting screw to adjust the elasticity of the ejector pin spring.

Further, the one end that the piece deviates from the base that sways is provided with two fixed convex blocks, fixed convex block is located the spacing groove both sides respectively, the fixed recess that supplies fixed convex block to get into is seted up to the electro-magnet towards the one end that sways the piece, fixed convex block's one end is the stiff end, the stiff end extends and surpasss the cross section scope that sways the piece towards the width direction who sways the piece, the connecting hole has been seted up to the stiff end, be provided with connecting bolt in the connecting hole, connecting bolt is used for will swaying the piece fixed with the electro-.

Through adopting above-mentioned technical scheme, fixed lug inserts and fixes a position in the fixed slot, then passes the connecting hole through connecting bolt and fixes rocking block and electro-magnet, the operation equipment of being convenient for.

Furthermore, the two opposite side walls of the limit groove facing one end of the electromagnet are provided with limit edges, and the limit edges are used for limiting the head of the fixing screw.

Through adopting above-mentioned technical scheme, the setting on two spacing edges is spacing to the head of set screw, has shared the power of receiving on the connecting bolt, makes fixed more firm, has prolonged life.

Furthermore, the base on the two sides of the swing block is provided with a limiting block, and the limiting block is used for limiting the rotation angle of the swing block.

Through adopting above-mentioned technical scheme, the stopper restricts the rotation angle of rocking the piece, avoids its rotation angle too big unable the reseing, leads to unable and suction disc cooperation to need manual going to adjust convenient to use.

Furthermore, the top of the limiting block facing to the face of the swing block is arc-shaped, and a rubber block is arranged at the top of the limiting block.

Through adopting above-mentioned technical scheme, the top of stopper sets up to the arc and installs the rubber piece, alleviates the piece that sways and the collision that the stopper produced when rotating, has less the wearing and tearing of piece and stopper of swaying, has prolonged life.

Compared with the prior art, the scheme has the beneficial effects that: the electromagnet can swing to be matched with the suction plate, so that a gap between the electromagnet and the suction plate is avoided, the electromagnet cannot be attached to the suction plate, the fixing effect is good, the structure is simple, the use is convenient, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a door stopper body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the base according to the embodiment of the present invention.

Reference numerals in the drawings of the specification include: 1. sucking a plate; 2. an electromagnet; 3. a base; 4. a swing block; 5. swinging the bearing seat; 6. swinging the rotating shaft; 7. fixing a nut; 8. a thimble; 9. a thimble spring; 10. adjusting screws; 11. fixing screws; 21. fixing the groove; 31. swinging the support plate; 32. a limiting block; 33. a rubber block; 41. a limiting groove; 42. fixing the bump; 43. and connecting the bolts.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

the specific implementation mode of the scheme is as follows:

as shown in fig. 1, 2 and 3, the swing type electromagnetic door stopper comprises a door stopper body and a suction plate 1, wherein the door stopper body is fixed on a wall surface through bolts, the suction plate 1 is fixed on a fireproof door through bolts, and the suction plate 1 is sucked by electromagnetic force generated by electrifying the door stopper body to position the fireproof door. The door stopper main body comprises a base 3 and an electromagnet 2, a swing support plate 31 is protruded upwards from the middle of the base 3, a swing hole is formed in the middle of the swing support plate 31, a swing bearing seat 5 is welded at one end of the swing hole, a swing rotating shaft 6 is rotatably connected in the swing bearing seat 5, one end of the swing rotating shaft 6, which is far away from the swing bearing seat 5, penetrates through the swing hole and is provided with threads, one end of the swing rotating shaft 6, which is threaded, penetrates through a swing block 4 and is fixed with the swing block 4 through a fixing nut 7, the swing block 4 is parallel to the swing support plate 31 and can rotate around the swing rotating shaft 6, two fixing lugs 42 are fixed at one end of the swing block 4, which is far away from the base 3, the fixing lugs 42 are respectively positioned at two sides of the end, the length direction of the fixing lugs 42 is parallel to the, and the fixed end is provided with a connecting hole, one end of the electromagnet 2 facing the swinging block 4 is provided with a fixed groove 21 for inserting the fixed lug 42, and after the fixed lug 42 is inserted into the fixed groove 21, the fixed lug is inserted into the connecting hole through the connecting bolt 43 to be fixed with the electromagnet 2. The fixing bolt 43 is used for fixing after the fixing lug 42 and the fixing groove 21 are positioned, so that the mounting and dismounting are convenient, and deviation is avoided.

As shown in fig. 2 and 3, a reset through hole is formed in the middle of the electromagnet 2, a thimble 8 is installed at one end of the reset through hole away from the swing block 4, one end of the thimble 8 extends out of the electromagnet 2 from the opening of the reset through hole, the other end of the thimble 8 extends into the reset through hole and is fixedly connected with a thimble spring 9, one end of the thimble spring 9 away from the thimble 8 is connected with an adjusting screw 10, the adjusting screw 10 is in threaded connection with the reset through hole, the elastic force of the thimble spring 9 can be adjusted by rotating the adjusting screw 10, one end of the reset through hole facing the swing block 4 is in threaded connection with a fixing screw 11, one end of the fixing screw 11 extends into the reset through hole, one end of the fixing screw extends out of the electromagnet 2, one side of the swing block 4 facing the swing support plate 31 is provided with a limit groove 41 for the fixing screw 11 to enter, a convex limiting groove 41 is formed, the limiting edge is used for limiting the head of the fixing screw 11, the force received by the connecting bolt 43 is shared, the fixing is firmer, and the service life is prolonged. All welded the stopper 32 on the base 3 of 4 both sides of piece sways, stopper 32 is used for blockking to swaying piece 4, prevents that its pivoted angle is too big, leads to electro-magnet 2 unable and suction disc 1 actuation, sets up to the arc at stopper 32 towards the top of the one side of swaying piece 4, and the arc department at stopper 32 top bonds and has rubber block 33 for alleviate the collision that sways piece 4 and stopper 32 produced when rotating, reduce the damage.

The utility model discloses when using: suction disc 1 removes and inhales the main part contact with the AND gate to the door, but still there is not the laminating completely in certain clearance between suction disc 1 and the AND gate inhale the main part, receive the effect of magnetic force this moment, the one end that electro-magnet 2 does not contact with suction disc 1 receives magnetic force to attract and makes electro-magnet 2 rotatory round swing pivot 6, the angle of electro-magnet 2 changes, make the surface of electro-magnet 2 laminate with suction disc 1 completely, the suction that makes electro-magnet 2 produce reaches the maximum value, it is more firm to make the location of preventing fire door. The elasticity of the ejector pin spring 9 is smaller than the magnetic force of the electromagnet 2, the ejector pin spring 9 is pressed into the reset through hole by the suction plate 1, when the fireproof door needs to be closed, the electromagnet 2 is powered off, the magnetic force of the electromagnet 2 is smaller than the elasticity of the ejector pin spring, and the ejector pin 8 is ejected out of the reset through hole, so that the suction plate 1 and the electromagnet 2 are separated at a constant speed, and the fireproof door is closed.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a swing electromagnetism door-inhale, includes door-inhale main part and suction disc (1), its characterized in that: the door-inhale main part includes base (3) and electro-magnet (2), the middle part of base (3) is the protruding swing backup pad (31) that has stretched of making progress, the swing hole has been seted up at the middle part of swing backup pad (31), the one end in swing hole is fixed with swing bearing frame (5), swing bearing frame (5) internal rotation is connected with swing pivot (6), swing pivot (6) deviate from the one end of swing bearing frame (5) and pass the swing hole and be connected with swing piece (4), swing piece (4) and swing pivot (6) are through fixation nut (7) fixed connection, swing piece (4) are parallel and can rotate round swing pivot (6) with swing backup pad (31), the one end that swing piece (4) deviate from base (3) is connected with electro-magnet (2).

2. The swing type electromagnetic door stopper as claimed in claim 1, wherein: a reset through hole is arranged in the middle of the electromagnet (2), an ejector pin (8) is arranged at one end of the reset through hole, which is far away from the swing block (4), one end of the thimble (8) extends out of the electromagnet (2) from the opening of the reset through hole, the other end is connected with a thimble spring (9), one end of the thimble spring (9) departing from the thimble (8) is connected with an adjusting screw (10), the adjusting screw (10) is connected in a reset through hole in a threaded manner, one end of the reset through hole facing the swing block (4) is connected with a fixing screw (11) in a threaded manner, one end of the fixing screw (11) extends into the reset through hole, the other end of the fixing screw extends out of the electromagnet (2), one surface of the swing block (4) facing the swing support plate (31) is provided with a limit groove (41) for a fixing screw (11) to enter, the fixing screw (11) is used for fixing the electromagnet (2) and the swing block (4).

3. The swing type electromagnetic door stopper as claimed in claim 2, wherein: swing the one end that piece (4) deviates from base (3) and be provided with two fixed convex block (42), fixed convex block (42) are located spacing groove (41) both sides respectively, fixed recess (21) that supply fixed convex block (42) to get into are seted up towards the one end that swing piece (4) in electro-magnet (2), the one end of fixed convex block (42) is the stiff end, the stiff end extends and surpasss the cross section scope that swings piece (4) towards the width direction who swings piece (4), the connecting hole has been seted up to the stiff end, be provided with connecting bolt (43) in the connecting hole, connecting bolt (43) are used for fixing with swing piece (4) and electro-magnet (2).

4. The swing type electromagnetic door stopper as claimed in claim 2, wherein: the limiting groove (41) is provided with limiting edges on two opposite side walls facing one end of the electromagnet (2), and the limiting edges are used for limiting the head of the fixing screw (11).

5. The swing type electromagnetic door stopper as claimed in claim 1, wherein: the swing block is characterized in that limiting blocks (32) are arranged on the bases (3) on two sides of the swing block (4), and the limiting blocks (32) are used for limiting the rotation angle of the swing block (4).

6. The swing type electromagnetic door stopper as claimed in claim 5, wherein: the top of the limiting block (32) facing to one face of the swing block (4) is arc-shaped, and a rubber block (33) is arranged at the top of the limiting block (32).