CN218815885U

CN218815885U - Fireproof door closer with locking structure

Info

Publication number: CN218815885U
Application number: CN202222594151.7U
Authority: CN
Inventors: 罗俐伶
Original assignee: Shenzhen Fengfan Technology Co ltd
Current assignee: Shenzhen Fengfan Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-04-07
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a fire prevention door closer with locking structure, including the spout, sliding fit installs the slide in the spout, installs locking device on the slide, and locking device includes wane and electromagnetic expansion bend, and the shaping has the wane standing groove on the slide, and the middle part normal running fit of wane installs in the wane standing groove, and the slide has the constant head tank in the left shaping of wane standing groove, and electromagnetic expansion bend fixed mounting is in the constant head tank, install magnet in the electromagnetic expansion bend, and the upside shaping of wane right-hand member has square groove, and the latch segment is installed to clearance fit in the square groove, and the elastic component is installed to the butt between latch segment and the square groove, and adjusting bolt is installed in the cooperation between latch segment and the square groove, and sliding fit installs the slider in the spout, and the upper portion shaping of slider has the reference column, and the shaping has the screw hole on the reference column, and the reference column extends the spout setting, and the lower part shaping of slider is fluted, and the upper portion clearance fit of latch segment installs in the recess.

Description

Fireproof door closer with locking structure

Technical Field

The utility model belongs to the technical field of the door closer technique and specifically relates to a fire prevention door closer with locking structure is related to.

Background

The door closer of the normally-open fireproof door comprises a connecting arm, a door closer main body and a sliding groove device, wherein the door closer main body is installed on a door body, the sliding groove device is installed on a door frame, the door closer main body and the sliding groove device are connected in a rotating mode through the connecting arm, a locking device is arranged on the sliding groove device, a sliding block is arranged on the connecting arm, the sliding block slides in a sliding groove to achieve opening and closing of the door, and when the sliding block is fixed through the locking device, the door can be fixed at a certain angle.

However, the conventional locking device has the following problems:

1. the force of the locking sliding block cannot be adjusted, the door is easy to close automatically due to external force collision when the force is too small, and the door is difficult to close when the force is too large, so that the service life of the door is shortened;

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A fireproof door closer with a locking structure comprises a sliding groove, a sliding seat is installed in the sliding groove in a sliding fit mode, a locking device is installed on the sliding seat and comprises a wane and an electromagnetic expansion piece, a wane placing groove is formed in the sliding seat, the middle of the wane is installed in the wane placing groove in a rotating fit mode, a positioning groove is formed in the left side of the wane placing groove in the sliding seat, the electromagnetic expansion piece is fixedly installed in the positioning groove, an electromagnet is installed in the electromagnetic expansion piece, two semicircles are arranged in the middle of the electromagnet, the semicircles are clamped on the right side of the electromagnetic expansion piece, one end of a rotating rod piece is driven by the electromagnet to tilt to achieve locking of a sliding block, the electromagnet drives a hook-shaped locking plate to lock the rotating rod piece, a locking groove for matching of the hook-shaped locking plate is formed in the rotating rod piece, and the hook-shaped locking plate cannot automatically separate from the locking groove after the locking groove; the upside shaping of wane right-hand member has square groove, and the latch segment is installed to square inslot clearance fit, and the elastic component is installed to the butt between latch segment and the square groove, and adjusting bolt is installed in the cooperation between latch segment and the square groove, and sliding fit installs the slider in the spout, and the upper portion shaping of slider has the reference column, and the shaping has the screw hole on the reference column, and the reference column extends the spout setting, and the lower part shaping of slider is fluted, and the upper portion clearance fit of latch segment is installed in the recess.

As a further aspect of the present invention: first round hole has all been formed at the border around the wane standing groove intermediate position, and fixed mounting has the second locating pin between two first round holes, and the middle part shaping of wane has the second round hole, the running fit each other between second locating pin and the second round hole.

As a further aspect of the present invention: the front side and the rear side of the left end of the seesaw are respectively provided with a positioning block, the positioning blocks are provided with third round holes in a forming mode, and the first positioning pin is fixedly arranged between the two third round holes.

As a further aspect of the present invention: the lower extreme shaping of buckle has the fourth round hole, and the border all takes shape to have the fifth round hole around the slide, and the fifth round hole is located between wane standing groove and the constant head tank, and fixed mounting has the third locating pin between two fifth round holes, and the running fit each other between third locating pin and the fourth round hole.

As a further aspect of the present invention: all the shaping has the sixth round hole on latch segment and the square groove, and adjusting bolt cooperation is installed between two sixth round holes.

As a further aspect of the present invention: the elastic part adopts a spring and is sleeved outside the adjusting bolt.

As a further aspect of the present invention: the lower part of the locking block is formed with a spring groove, and the upper part of the elastic piece is arranged in the spring groove in a clearance fit manner.

As a further aspect of the present invention: the sliding block is installed in the sliding groove in a sliding fit mode, a positioning column is formed in the upper portion of the sliding block, a threaded hole is formed in the positioning column, the positioning column extends out of the sliding groove to be arranged, a groove is formed in the lower portion of the sliding block, and the upper portion of the locking block is installed in the groove in a clearance fit mode.

Compared with the prior art, the beneficial effects of the utility model are that: when the sliding seat is locked in the sliding groove by the locking device, the electromagnetic expansion piece drives the buckle to rotate, so that the buckle inclines rightwards, the buckle drives the first positioning pin to move downwards, the first positioning pin is clamped and matched in the clamping groove, the first positioning pin drives the warping plate to incline leftwards, the right portion of the warping plate tilts upwards to enable the locking block to jack up the locking sliding groove upwards, and the sliding seat 2 slides again; on the contrary, when the sliding seat slides in the sliding groove, the electromagnetic expansion piece drives the buckle to rotate, so that the buckle inclines to the left, the clamping groove of the buckle is separated from the first positioning pin, and at the moment, the locking block at the right part of the wane cannot lock the sliding groove, so that the sliding seat slides in the sliding groove; simultaneously, the setting through elastic component and adjusting bolt makes the highly can adjust of latch segment to the realization is to the regulation of locking dynamics, facilitates the use.

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

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the slide carriage and the locking device of the present invention.

Fig. 3 is an exploded view of the slide and locking device of the present invention.

Fig. 4 is an exploded view of the slide and locking device of the present invention from another perspective.

Fig. 5 is a schematic structural diagram of the slider of the present invention.

Fig. 6 is a schematic structural view of another view angle of the slider according to the present invention.

Fig. 7 is a schematic view of a combination of an electromagnetic retractor and an electromagnet.

Figure 8 is a schematic view of an electromagnet.

Shown in the figure: 1. a chute; 2. a slide base; 3. a locking device; 31. a seesaw; 32. an electromagnetic retractor; 33. an electromagnet; 4. a wane placing groove; 5. positioning a groove; 6. a first positioning pin; 7. buckling; 8. a card slot; 9. a square groove; 10. a locking block; 11. an elastic member; 12. adjusting the bolt; 13. a first circular hole; 14. a second positioning pin; 15. a second circular hole; 16. positioning blocks; 17. a third circular hole; 18. a fourth circular hole; 19. a fifth circular hole; 20. a third positioning pin; 21. a sixth circular hole; 22. a spring slot; 23. a slider; 24. a positioning column; 25. a threaded hole; 26. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, a fireproof door closer with a locking structure includes a chute 1, a sliding seat 2 is installed in the chute 1 in a sliding fit manner, a locking device 3 is installed on the sliding seat 2, the locking device 3 includes a rocker 31 and an electromagnetic expansion piece 32, a rocker placing groove 4 is formed on the sliding seat 2, the middle of the rocker 31 is installed in the rocker placing groove 4 in a rotating fit manner, a positioning groove 5 is formed on the left side of the rocker placing groove 4 of the sliding seat 2, the electromagnetic expansion piece 32 is fixedly installed in the positioning groove 5, a magnet is installed on the electromagnetic expansion piece 32, a first positioning pin 6 is fixedly installed at the left end of the rocker 31, a buckle 7 is installed at the telescopic rod of the electromagnetic expansion piece 32 in a rotating fit manner, a clamping groove 8 is formed at the right side of the buckle 7, the clamping groove 8 is arranged at the left side of the first positioning pin 6, the lower end of the buckle 7 is installed on the sliding seat 2 in a rotating fit manner, a square groove 9 is formed at the upper side of the right end of the rocker 31, a locking block 10 is installed in a clearance fit manner in the square groove 9, an elastic piece 11 is installed between the locking block 10 and the square groove 9, and a square groove 11 is abutted against the square groove, and an adjusting bolt 12 is installed between the locking block 10 and the square groove 9; the principle is as follows: when the sliding seat 2 is locked in the sliding groove 1 by the locking device 3, the electromagnetic expansion piece 32 drives the buckle 7 to rotate, so that the buckle 7 inclines rightwards, the buckle 7 drives the first positioning pin 6 to move downwards, so that the first positioning pin 6 is clamped and matched in the clamping groove 8, the first positioning pin 6 drives the wane 31 to incline leftwards, the right part of the wane 31 tilts, so that the locking block 10 jacks up the locking sliding groove 1, and the sliding seat 2 does not slide any more; on the contrary, when the sliding seat 2 slides in the sliding groove 1, the electromagnetic expansion piece 32 drives the buckle 7 to rotate, so that the buckle 7 inclines to the left, the clamping groove 8 of the buckle 7 is separated from the first positioning pin 6, and at this time, the locking block 10 at the right part of the rocker 31 cannot lock the sliding groove 1, so that the sliding seat 2 slides in the sliding groove 1; meanwhile, the height of the locking block 10 can be adjusted through the arrangement of the elastic piece 11 and the adjusting bolt 12, so that the locking force can be adjusted, and the locking device is convenient to use.

As a further aspect of the present invention: first round holes 13 are formed in the front edge and the rear edge of the middle position of the rocker placing groove 4, a second positioning pin 14 is fixedly installed between the two first round holes 13, a second round hole 15 is formed in the middle of the rocker 31, and the second positioning pin 14 and the second round hole 15 are in mutual rotating fit; the rotation of the rocker 31 in the rocker placing groove 4 is made more stable.

As a further aspect of the present invention: positioning blocks 16 are formed on the front side and the rear side of the left end of the rocker 31, third round holes 17 are formed in the positioning blocks 16, and the first positioning pin 6 is fixedly arranged between the two third round holes 17; so that the installation of the first positioning pin 6 is more stable.

As a further aspect of the present invention: a fourth round hole 18 is formed at the lower end of the buckle 7, fifth round holes 19 are formed at the front edge and the rear edge of the sliding seat 2, the fifth round holes 19 are positioned between the wane placing groove 4 and the positioning groove 5, a third positioning pin 20 is fixedly arranged between the two fifth round holes 19, and the third positioning pin 20 is in mutual rotation fit with the fourth round hole 18; so that the rotation of the catch 7 on the slide 2 is more stable.

As a further aspect of the present invention: sixth round holes 21 are formed in the locking block 10 and the square groove 9, and the adjusting bolt 12 is installed between the two sixth round holes 21 in a matched mode; the height of the locking block 10 in the square groove 9 is changed through the adjusting bolt 12, so that the force of the locking block 10 pushing against the sliding groove 1 is changed, and the setting of the sixth round hole 21 enables the adjusting bolt 12 to be not decocted stably.

As a further aspect of the present invention: the elastic part 11 adopts a spring, and the elastic part 11 is sleeved on the outer side of the adjusting bolt 12; so that the mounting of the elastic member 11 is more stable.

As a further aspect of the present invention: the lower part of the locking block 10 is formed with a spring groove 22, and the upper part of the elastic piece 11 is arranged in the spring groove 22 in a clearance fit manner; so that the mounting of the elastic member 11 is more stable.

As a further aspect of the present invention: a sliding block 23 is installed in the sliding groove 1 in a sliding fit mode, a positioning column 24 is formed on the upper portion of the sliding block 23, a threaded hole 25 is formed in the positioning column 24, the positioning column 24 extends out of the sliding groove 1 to be arranged, a groove 26 is formed in the lower portion of the sliding block 23, and the upper portion of the locking block 10 is installed in the groove 26 in a clearance fit mode; the locking block 10 correspondingly abuts against the groove 26 of the sliding block 23, so that the sliding block 23 presses the sliding groove 1, position locking is achieved, the connecting arm of the door closer is correspondingly installed on the sliding block 23, the sliding block 23 can move in the sliding groove 1 along with the locking block 10 of the sliding seat 2, and installation of the connecting arm of the door closer is more stable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire prevention door closer with locking structure, includes the spout, sliding fit installs the slide in the spout, installs locking device, its characterized in that on the slide: the locking device comprises a wane and an electromagnetic expansion piece, a wane placing groove is formed in a sliding seat, the middle of the wane is installed in the wane placing groove in a rotating fit mode, a positioning groove is formed in the sliding seat on the left side of the wane placing groove, the electromagnetic expansion piece is fixedly installed in the positioning groove, an electromagnet is installed in the electromagnetic expansion piece, two semicircles are arranged in the middle of the electromagnet, the semicircles are clamped on the right side of the electromagnetic expansion piece, the electromagnet drives one end of a rotating rod piece to tilt to achieve locking of a sliding block, the electromagnet drives a hook-shaped locking plate to lock the rotating rod piece, a locking groove for matching of the hook-shaped locking plate is formed in the rotating rod piece, and the hook-shaped locking plate cannot automatically disengage from the locking groove after being matched with the locking groove; the upside shaping of wane right-hand member has square groove, and the latch segment is installed to square inslot clearance fit, and the elastic component is installed to the butt between latch segment and the square groove, and adjusting bolt is installed in the cooperation between latch segment and the square groove, and sliding fit installs the slider in the spout, and the upper portion shaping of slider has the reference column, and the shaping has the screw hole on the reference column, and the reference column extends the spout setting, and the lower part shaping of slider is fluted, and the upper portion clearance fit of latch segment is installed in the recess.

2. The fire door closer with a locking structure according to claim 1, wherein: the slide has the constant head tank in the left shaping of wane standing groove, and the left end fixed mounting of wane has first locating pin, and the buckle is installed to the telescopic link department normal running fit of electromagnetic expansion ware, and the right side shaping of buckle has the draw-in groove, and the draw-in groove setting is in the left side of first locating pin, and the lower extreme normal running fit of buckle installs on the slide.

3. The fire door closer with a locking structure according to claim 1, wherein: first round hole has all been formed at the border around the wane standing groove intermediate position, and fixed mounting has the second locating pin between two first round holes, and the middle part shaping of wane has the second round hole, the running fit each other between second locating pin and the second round hole.

4. The fire door closer with a locking structure according to claim 1, wherein: positioning blocks are formed on the front side and the rear side of the left end of the warping plate, third round holes are formed in the positioning blocks, and the first positioning pin is fixedly installed between the two third round holes.

5. The fire door closer with a locking structure according to claim 1, wherein: the lower extreme shaping of buckle has the fourth round hole, and the border all takes shape to have the fifth round hole around the slide, and the fifth round hole is located between wane standing groove and the constant head tank, and fixed mounting has the third locating pin between two fifth round holes, and the running fit each other between third locating pin and the fourth round hole.

6. The fire door closer with a locking structure according to claim 1, wherein: the locking block and the square groove are all formed with sixth round holes, and the adjusting bolt is installed between the two sixth round holes in a matched mode.

7. The fire door closer with a locking structure according to claim 1, wherein: the elastic piece adopts a spring, the elastic piece is sleeved outside the adjusting bolt, a spring groove is formed in the lower portion of the locking block, and the upper portion of the elastic piece is installed in the spring groove in a clearance fit mode.