CN217925598U

CN217925598U - Steel fireproof door convenient for cleaning stains on door and window slide way

Info

Publication number: CN217925598U
Application number: CN202221027932.1U
Authority: CN
Inventors: 施仙翠; 徐偲宁; 吴小倩
Original assignee: Zhejiang Yijia Industry Co ltd
Current assignee: Zhejiang Yijia Industry Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-29
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a fire door is prevented to steel convenient to door and window slide spot clearance belongs to fire door technical field is prevented to the steel. The utility model provides a fire door is prevented to steel convenient to door and window slide spot clearance, includes door leaf and door frame, the door leaf top is inlayed and is established and install the door closer, the connecting rod is installed on the door closer top, the slippery fellow is installed to the connecting rod tip, the slide rail is installed on the inboard upper portion of door frame, slippery fellow and slide rail sliding connection, the ejector pad is installed at both ends about the slippery fellow. The utility model discloses a setting of slippery fell and ejector pad, the slippery fell can be along with the connecting rod reciprocating sliding in the slide rail, the ejector pad at both ends is controlled to collocation slippery fell, carry out the omnidirectional dust to the inner wall of slide rail and strike off, and the one end of ejector pad and slide rail inner wall contact sets wedge-shaped blade, can be more smooth and easy shovel stubborn fatlute from the slide rail inner wall, avoid the inside spot of slide to pile up, guarantee that the slip of connecting rod and slide rail is smooth and easy, make the smooth and easy return of the door leaf that pushes open guarantee normally closed state.

Description

Steel fireproof door convenient for cleaning stains on door and window slide way

Technical Field

The utility model relates to a fire door technical field is prevented to the steel, and more specifically says, relates to a fire door is prevented to steel convenient to door and window slide spot clearance.

Background

The steel fireproof door is characterized in that a door frame, a door leaf framework and a door leaf panel are made of steel materials, and a door with certain fire resistance is formed by matching fireproof hardware fittings, a door closer can be installed between the door frame and the door leaf for ensuring the normal close of the fireproof door, and a hidden sliding rail type door closer can be adopted for ensuring the self-protection capability of the door closer.

The connecting rod end of an existing sliding rail type door closer can slide in a sliding rail in a reciprocating mode, however, dirt is accumulated inside a sliding rail along with the use time, sliding of the connecting rod and the sliding rail is blocked, when resistance reaches a certain degree, a pushed door leaf cannot return smoothly, and a normally closed state cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a fire door is prevented to steel convenient to door and window slide spot clearance to propose the easy problem that is blocked by the dust of preventing fire door slide rail that uses slide rail formula door closer in solving above-mentioned background art.

Technical solution

A steel fireproof door convenient for cleaning stains on door and window slides comprises a door leaf and a door frame, wherein a door closer is embedded at the top end of the door leaf, a connecting rod is installed at the top end of the door closer, a sliding head is installed at the end part of the connecting rod, a sliding rail is installed at the upper part of the inner side of the door frame, the sliding head is connected with the sliding rail in a sliding manner, and push blocks are installed at the left end and the right end of the sliding head;

the sliding head slides left and right in the sliding rail, and the push block can scrape stains in the sliding rail.

Preferably, a displacement groove is formed in the edge of the door frame, a displacement groove opening for allowing the connecting rod to swing freely is formed in the front end of the displacement groove, and a baffle plate matched with the displacement groove opening in size is fixedly installed on the front portion of the top end of the door leaf;

the shutter seals the door closer and the link position in the closed state.

Preferably, an extrusion sleeve is fixedly mounted at the end part of the connecting rod, a conical guide surface is arranged at the lower part of the outer side of the extrusion sleeve, a limiting head is mounted at the top end of the extrusion sleeve, and the limiting head is rotatably connected with the sliding head;

the extrusion sleeve is rotationally connected with the sliding head, so that the sliding head can slide left and right and cannot rotate along with the connecting rod.

Preferably, the top end of the push block, the outer walls of the front side and the rear side of the push block, the top end of the slide rail and the inner walls of the front side and the rear side of the slide rail are in sliding contact respectively, a wedge-shaped cutting edge is arranged at one end, away from the sliding head, of the push block, a scraper which slides up and down on the top end of a door leaf is installed at the top end of the door frame, and the shape of the upper part of the scraper is consistent with that of the end part of the sliding head;

the wedge-shaped cutting edge of the push block can smoothly scrape stubborn stains from the inner wall of the slide rail.

Preferably, a connecting plate is fixedly mounted at the bottom end of the scraper, a blind groove for the connecting plate to slide up and down is formed in the top end of the door leaf, a tapered sliding pin is fixedly mounted at the position, close to the door closer, of the top end of the connecting plate, a tapered groove matched with the sliding pin is formed in the bottom end of the extrusion sleeve, a spring is mounted at the bottom end of the connecting plate, and the bottom end of the spring is fixedly connected with the inner wall of the blind groove in the door leaf;

the connecting plate is pushed by the sliding pin to move downwards and is rebounded and pushed upwards by the spring to drive the scraper to move up and down.

Preferably, a telescopic rod is installed in the middle of the bottom end of the connecting plate, the telescopic rod comprises an inner rod with a limiting head at the bottom end and an outer tube with a sliding groove in the middle, the inner rod is connected with the outer tube in a sliding mode, and the inner rod cannot be pulled out from the top end of the outer tube;

the telescopic rod limits the connecting plate, and the connecting plate is prevented from moving upwards to a position above the top end of the door leaf.

Preferably, two guide blocks which are symmetrical left and right are installed at the edge of the bottom end of the connecting plate, and the side walls of the guide blocks are in sliding contact with the side walls of the blind grooves in the door leaves;

the guide block guides the connecting plate to ensure the level of the connecting plate during sliding.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a setting of slippery fell and ejector pad, the slippery fell can be along with the connecting rod reciprocating sliding in the slide rail, the ejector pad at both ends is controlled to the slippery fell of collocation, carry out the omnidirectional dust to the inner wall of slide rail and strike off, and the one end of ejector pad and the contact of slide rail inner wall sets wedge-shaped blade, can be more smooth and easy shovel stubborn fatlute from the slide rail inner wall, avoid the inside spot of slide to pile up, it is smooth and easy to guarantee the slip of connecting rod and slide rail, make the smooth and easy return of the door leaf of pushing open guarantee the normally closed state.

2. The utility model discloses a setting of scraper and sliding pin, when the slider moved to the extreme position that is close both ends about the slide rail, the slider can contact the sliding pin earlier and push down the scraper, when the slider reachs the extreme position at both ends about the slide rail, the sliding pin can shift up and insert the slider middle part, the scraper moved up under the promotion of spring this moment, with the spot from ejector pad tip shovel down, clear up the ejector pad surface for the spot falls out from the slide rail, avoids the spot to pile up, guarantees that the inside cleanness of slide rail is smooth and easy with the slip.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of a part of the structure of the present invention;

FIG. 3 is a schematic view of the position of the slider, the scraper and the components connected thereto;

fig. 4 is a schematic view of the slide head, the scraper and the parts connected with the slide head and the scraper.

The numbering in the figures illustrates: a door leaf 1; a door frame 2; a baffle 3; a scraper 4; a door closer 5; a slide rail 6; a push block 7; a slider 8; a connecting plate 9; a spring 10; a connecting rod 11; a slide pin 12; a guide block 13; an extrusion sleeve 14; a telescopic rod 15; the stopper 16.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-4, the present invention provides two technical solutions:

the first embodiment is as follows:

the utility model provides a fire door is prevented to steel convenient to door and window slide spot clearance, includes door leaf 1 and

door frame

2, and 1 top of door leaf is inlayed and is established and install door closer 5, and connecting rod 11 is installed on door closer 5 top, and the slippery fellow 8 is installed to connecting rod 11 tip, and slide rail 6 is installed on 2 inboard upper portions of door frame, and sliding fellow 8 and slide rail 6 sliding connection, ejector pad 7 is installed at both ends about slippery fellow 8.

Specifically, some displacement grooves are formed in the edge of the door frame 2, a displacement groove opening for allowing the connecting rod 11 to swing freely is formed in the front end of the displacement groove, and a baffle 3 matched with the size of the displacement groove opening is fixedly mounted on the front portion of the top end of the door leaf 1.

It is worth to be noted that the end of the connecting rod 11 is fixedly provided with the extrusion sleeve 14, the lower part of the outer side of the extrusion sleeve 14 is provided with the conical guide surface, the top end of the extrusion sleeve 14 is provided with the limiting head 16, and the limiting head 16 is rotatably connected with the sliding head 8.

Furthermore, the top end of the push block 7, the outer walls of the front side and the rear side of the push block, the top end of the sliding rail 6, the inner walls of the front side and the rear side of the sliding rail are in sliding contact respectively, one end, far away from the sliding head 8, of the push block 7 is provided with a wedge-shaped cutting edge, the top end of the door frame 2 is provided with a scraper 4 which can slide up and down on the top end of the door leaf 1, and the shape of the upper portion of the scraper 4 is consistent with that of the end portion of the sliding head 8.

When the slide way is cleaned, the door leaf 1 is pushed open, the door closer 5 is extruded and deformed along with the swing of the connecting rod 11, the sliding head 8 at the end part of the connecting rod 11 slides in the middle of the slide way 6 along with the connecting rod 11, the extrusion sleeve 14 is rotatably connected with the sliding head 8, so that the sliding head 8 can slide left and right and cannot rotate along with the connecting rod 11, the push block 7 synchronously carries out all-around stain scraping on the inner wall of the slide way 6, the end part of the push block 7 is provided with a wedge-shaped cutting edge, stubborn oil sludge can be more smoothly shoveled down from the inner wall of the slide way 6 by a smaller cut-in angle, the stain accumulation in the slide way is avoided, the smooth sliding of the connecting rod 11 and the slide way 6 is ensured, the normally closed state is ensured by the smooth return of the pushed-open door leaf 1, and the position of the door closer 5 and the connecting rod 11 are sealed by the baffle 3 in a door-closed state.

Example two:

door frame

It is worth noting that the bottom end of the scraper 4 is fixedly provided with a connecting plate 9, the top end of the door leaf 1 is provided with a blind groove for the connecting plate 9 to slide up and down, the top end of the connecting plate 9 is fixedly provided with a tapered sliding pin 12 near the door closer 5, the bottom end of the extrusion sleeve 14 is provided with a tapered groove matched with the sliding pin 12, the bottom end of the connecting plate 9 is provided with a spring 10, and the bottom end of the spring 10 is fixedly connected with the inner wall of the blind groove in the door leaf 1.

In addition, even board 9 bottom mid-mounting has telescopic link 15, and telescopic link 15 includes that the bottom has interior pole and the middle part of stopper to be provided with the outer tube of spout, and interior pole and outer tube sliding connection, interior pole can't be followed the outer tube top and extracted.

It has to be said that two guide blocks 13 are installed at the bottom edge of the connecting plate 9, and the side walls of the guide blocks 13 are in sliding contact with the side walls of the blind grooves in the door leaf 1.

When stains are cleaned, the sliding head 8 is driven to slide in the middle of the sliding rail 6 by opening and closing the door leaf 1, so that stains on the inner wall of the sliding rail 6 are synchronously scraped by the push block 7, when the sliding head 8 moves to the limit positions close to the left end and the right end of the sliding rail 6, the conical guide surface of the extrusion sleeve 14 contacts with the outer wall of the sliding pin 12 first, the connecting plate 9 is driven to press the scraper 4 downwards until the sliding pin 12 is inserted into the conical groove in the middle of the extrusion sleeve 14, the scraper 4 moves upwards under the pushing of the spring 10 at the moment, the telescopic rod 15 limits the connecting plate 9, the connecting plate 9 is prevented from moving upwards to the position above the top end of the door leaf 1, the guide block 13 guides the connecting plate 9, the connecting plate 9 is guaranteed to be horizontal when sliding, the scraper 4 which moves upwards shovels the stains from the end part of the push block 7, the surface of the push block 7 is cleaned, the stains are prevented from being accumulated on the surface of the push block 7, and the inside of the sliding rail 6 is guaranteed to be cleaned.

The door closer 5 involved in the present embodiment is an adjustable hydraulic door closer of HWP-DC85 type, and in addition, the present invention does not involve circuits, electronic components and modules, and it is needless to say that the present invention is not limited to the improvement of the internal structure and method.

The working principle is as follows: when the door leaf is opened and closed, the sliding head 8 slides in the middle of the sliding rail 6 along with the connecting rod 11 in a reciprocating manner, the pushing block 7 arranged at the end part of the sliding head 8 is in sliding contact with the inner wall of the sliding rail 6, all-around stain scraping is carried out on the top end of the sliding rail 6 and the inner walls of the front side and the rear side, the end part of the pushing block 7 is provided with a wedge-shaped cutting edge, and stubborn oil sludge can be more smoothly shoveled down from the inner wall of the sliding rail 6 by a smaller cutting-in angle, so that stain accumulation in the inner part of a slideway is avoided, smooth sliding of the connecting rod 11 and the sliding rail 6 is ensured, and the pushed door leaf 1 is smoothly returned to ensure a normally closed state;

when the scraped stains are subjected to subsequent treatment, when the sliding head 8 moves to the limit positions close to the left end and the right end of the sliding rail 6, the extrusion sleeve 14 at the bottom end of the sliding head 8 contacts with the sliding pin 12 firstly, and then the scraper 4 is pressed down through the connecting plate 9, when the sliding head 8 reaches the limit positions at the left end and the right end of the sliding rail 6, the sliding pin 12 can be inserted into a tapered groove in the middle of the extrusion sleeve 14, at the moment, the scraper 4 moves upwards under the pushing of the spring 10 to shovel the stains from the end part of the push block 7, the surface of the push block 7 is cleaned, the stains are prevented from being accumulated on the surface of the push block 7, and the cleaning of the inside of the sliding rail 6 is ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire door is prevented to steel convenient to door and window slide spot clearance, includes door leaf (1) and door frame (2), its characterized in that: door leaf (1) top is inlayed and is established and install door closer (5), connecting rod (11) are installed on door closer (5) top, slippery fellow (8) are installed to connecting rod (11) tip, slide rail (6) are installed on door frame (2) inboard upper portion, slippery fellow (8) and slide rail (6) sliding connection, ejector pad (7) are installed at both ends about slippery fellow (8).

2. The steel fire door convenient to door and window slide spot clearance of claim 1, characterized in that: the door is characterized in that a displacement groove is formed in the edge of the door frame (2), a displacement groove opening for the connecting rod (11) to swing freely is formed in the front end of the displacement groove, and a baffle (3) matched with the size of the displacement groove opening is fixedly installed on the front portion of the top end of the door leaf (1).

3. The steel fire door convenient to door and window slide spot clearance of claim 1, characterized in that: connecting rod (11) tip fixed mounting has extrusion cover (14), extrusion cover (14) outside lower part is provided with the awl and leads the face, extrusion cover (14) top installation has stopper (16), stopper (16) and sliding head (8) rotate to be connected.

4. The fire steel door convenient for cleaning stains on door and window slides as claimed in claim 1, wherein: the sliding door is characterized in that the outer walls of the top end and the front and rear sides of the push block (7) are in sliding contact with the inner walls of the top end and the front and rear sides of the sliding rail (6) respectively, a wedge-shaped cutting edge is arranged at one end, away from the sliding head (8), of the push block (7), a scraper (4) which slides up and down on the top end of the door leaf (1) is installed at the top end of the door frame (2), and the shape of the upper portion of the scraper (4) is consistent with the shape of the end portion of the sliding head (8).

5. The steel fire door convenient to door and window slide spot clearance of claim 4, characterized in that: the door closer is characterized in that a connecting plate (9) is fixedly mounted at the bottom end of the scraper (4), a blind groove for the connecting plate (9) to slide up and down is formed in the top end of the door leaf (1), a conical sliding pin (12) is fixedly mounted at the position, close to the door closer (5), of the top end of the connecting plate (9), a conical groove matched with the sliding pin (12) is formed in the bottom end of the extrusion sleeve (14), a spring (10) is mounted at the bottom end of the connecting plate (9), and the bottom end of the spring (10) is fixedly connected with the inner wall of the blind groove in the door leaf (1).

6. The steel fire door convenient to door and window slide spot clearance of claim 5, characterized in that: even board (9) bottom mid-mounting has telescopic link (15), telescopic link (15) are provided with the outer tube of spout including interior pole and the middle part that the bottom has the stopper, interior pole and outer tube sliding connection, interior pole can't be extracted from the outer tube top.

7. The steel fire door convenient to door and window slide spot clearance of claim 5, characterized in that: two guide blocks (13) which are bilaterally symmetrical are arranged at the edge of the bottom end of the connecting plate (9), and the side walls of the guide blocks (13) are in sliding contact with the side walls of the blind grooves in the door leaves (1).