CN210316971U - Spring type door closer - Google Patents

Abstract

The utility model belongs to the technical field of door closers, in particular to a spring type door closer, which comprises a pipe body with an opening at one end, a chain, a spring and a second mounting seat; a first mounting seat is arranged on an opening of the pipe body, and an adjusting assembly extending into the pipe body is arranged in the center of the first mounting seat; a movable plate is arranged in the pipe body, and the center of the movable plate is connected to the adjusting assembly in a sliding manner; the second mounting seat is arranged outside the pipe body relative to the first mounting seat; one ends of the two chains penetrate through the first mounting seat and are symmetrically connected to the movable plate, and the other ends of the two chains are symmetrically connected to the second mounting seat; each chain is sleeved with one spring, one end of each spring is abutted to the movable plate, and the other end of each spring is abutted to the first mounting seat. The spring type door closer enables the spring to reset to close the door after compressing the spring, and is simple in structure and low in manufacturing cost.

Description

Spring type door closer

Technical Field

The utility model belongs to the technical field of the door closer, especially, relate to a spring door closer.

Background

The door closer is a hydraulic device similar to a spring on a door head, and can be released after being compressed after the door is opened, so that the door is automatically closed, and the door closer is used for automatically closing the door.

The door closer of present market sets up between door and doorframe, for the hydraulic press structure, and its theory of operation is: when the door is opened, the door body drives the connecting rod to act, the transmission gear is rotated, and the rack plunger is driven to move towards the right. During the rightward movement of the plunger, the spring is compressed, and the hydraulic oil in the right chamber is also compressed. The check valve ball on the left side of the plunger is opened under the action of oil pressure, and hydraulic oil in the right cavity flows into the left cavity through the check valve. After the door is opened, the spring is compressed in the opening process, the accumulated elastic potential energy is released, the plunger is pushed towards the left side, the transmission gear and the door closer connecting rod are driven to rotate, and the door is closed.

Therefore, it is desirable to provide a spring-type door closer to overcome the drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring door closer aims at solving the hydraulic pressure door closer structure among the prior art comparatively complicated, leads to its technical problem that manufacturing cost is high.

In order to achieve the above object, an embodiment of the present invention provides a spring type door closer, which includes a tube body with an opening at one end, a chain, a spring, and a second mounting seat; a first mounting seat is arranged on an opening of the pipe body, and an adjusting assembly extending into the pipe body is arranged in the center of the first mounting seat; a movable plate is arranged in the pipe body, and the center of the movable plate is connected to the adjusting assembly in a sliding manner; the second mounting seat is arranged outside the pipe body relative to the first mounting seat; one ends of the two chains penetrate through the first mounting seat and are symmetrically connected to the movable plate, and the other ends of the two chains are symmetrically connected to the second mounting seat; each chain is sleeved with one spring, one end of each spring is abutted to the movable plate, and the other end of each spring is abutted to the first mounting seat.

Optionally, a receiving cavity is arranged in the tube body, and the contour shape of the movable plate is matched with the receiving cavity.

Optionally, the adjustment assembly comprises a connecting post and a bolt; one end of the connecting column is vertically connected with the first mounting seat, and the other end of the connecting column is in threaded connection with the bolt.

Optionally, a first through hole is formed in the center of the movable plate, and the movable plate is slidably connected to the screw of the bolt through the first through hole.

Optionally, a pair of threaded holes is symmetrically formed in two sides of the movable plate; each threaded hole is in threaded connection with a screw, and the tail end of each screw is pivoted with one end of one chain.

Optionally, two first clearance holes corresponding to the two threaded holes are formed in the first mounting seat, and the first clearance holes are used for clearance of the chain.

Optionally, a first limiting boss is arranged on the movable plate at the threaded hole, and a second limiting boss is arranged on the first mounting seat at the first clearance hole; one end of the spring is sleeved on the first limiting boss, and the other end of the spring is sleeved on the second limiting boss.

Optionally, the second mounting seat is provided with two second clearance holes corresponding to the two first clearance holes, and the other ends of the two chains respectively penetrate through the two second clearance holes and are connected to the second mounting seat through a connecting piece.

Optionally, the connecting piece is a limiting pin, a pin hole adapted to the limiting pin is formed in the other end of the chain, and the limiting pin penetrates through the pin hole to enable the chain to be connected to the second mounting seat.

Optionally, the both ends of body all are equipped with the opening, install on the one end opening of body first mount pad, a mounting panel is installed to the other end.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the spring door closer have one of following technological effect at least: when the door is opened, the chain can pull the movable plate to move in the pipe body to compress the spring, so that the first mounting seat is overturned relative to the second mounting seat to realize the door opening action; when the door is closed, the compressed spring resets to drive the door to be closed on the door frame, so that the door is closed. The spring type door closer enables the spring to reset to close the door after compressing the spring, and is simple in structure and low in manufacturing cost.

Drawings

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

Fig. 1 is the utility model provides a structural schematic diagram of spring door closer.

Fig. 2 is the utility model provides a spring door closer's exploded view.

Fig. 3 the utility model provides a cross-sectional view of spring door closer.

Fig. 4 the utility model provides a compression spring state diagram of spring door closer.

Fig. 5 the utility model provides a partial structure schematic diagram of spring door closer.

Wherein, in the figures, the respective reference numerals:

thepipe body 1 comprises a containingcavity 11, amounting plate 12, achain 2, aspring 3, asecond mounting seat 4, asecond clearance hole 41, a limitingpin 42, afirst mounting seat 5, a first clearance hole 51, a second limitingboss 52, anadjusting assembly 6, a connectingcolumn 61, abolt 62, amovable plate 7, a first limitingboss 71, ascrew 8, a connectingplate 9 and ascrew 91.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, as shown in fig. 1-2, a spring type door closer is provided, which includes atube body 1 having at least one end opened, achain 2, aspring 3, and asecond mounting seat 4. The opening of body is provided withfirst mount pad 5, connection modes such asfirst mount pad 5 accessible screw, or welding are fixed mounting on the opening ofbody 1. The center of thefirst mounting seat 5 is provided with an adjustingcomponent 6 extending into thepipe body 1. Amovable plate 7 is arranged in thepipe body 1, and the center of themovable plate 7 is slidably connected to the adjustingcomponent 6. Thesecond mounting seat 4 is arranged outside thepipe body 1 relative to thefirst mounting seat 5. One ends of the twochains 2 penetrate through thefirst mounting seat 5 and are symmetrically connected to themovable plate 7, and the other ends of the twochains 2 are symmetrically connected to thesecond mounting seat 4. Eachchain 2 is sleeved with onespring 3, one end of eachspring 3 is abutted to themovable plate 7, and the other end of eachspring 3 is abutted to thefirst mounting seat 5.

The embodiment of the utility model provides a spring door closer has one of following technological effect: during the use,body 1 imbeds the inside of door to throughfirst mount pad 5 AND gate fixed connection,second mount pad 4 imbeds interior AND gate fixed connection of door frame. When the door is opened, thechain 2 pulls themovable plate 7 to move in thetube body 1 to compress thespring 3, so that thefirst mounting seat 5 turns relative to thesecond mounting seat 4 to realize the door opening action. When the door is closed, thecompressed spring 3 resets to drive the door to be closed on the door frame, so that the door is closed. The spring type door closer enables thespring 3 to reset to close the door after compressing thespring 3, and is simple in structure and low in manufacturing cost.

Further, referring to fig. 2 and 3, a receivingcavity 11 is disposed inside thetube body 1, and themovable plate 7 has a contour shape matched with thereceiving cavity 11, so that themovable plate 7 can stably move in thereceiving cavity 11.

Further, referring to fig. 2 and 3, the spring type door closer is provided with twochains 2, and the arrangement mode of the twochains 2 enables the spring type door closer to smoothly realize door opening or closing actions when in operation.

Referring to fig. 2-4, theadjustment assembly 6 includes a connectingpost 61 and abolt 62. One end of the connectingcolumn 61 is vertically connected with thefirst mounting seat 5, and the other end of the connecting column is in threaded connection with thebolt 62. A first through hole is formed in the center of themovable plate 7, and themovable plate 7 is slidably connected to the screw of thebolt 62 through the first through hole. And a pair of threaded holes is symmetrically formed in the two sides of themovable plate 7. Each threaded hole is in threaded connection with ascrew 8, and the tail end of eachscrew 8 is pivoted with one end of onechain 2. Two first clearance holes 51 corresponding to the two threaded holes are formed in thefirst mounting seat 5, and the first clearance holes 51 are used for clearance of thechain 2, so that one end of thechain 2 can penetrate through the first clearance holes 51 to be pivoted with thescrews 8. Thebolt 62 is rotated by a tool, so that the distance between themovable plate 7 and thefirst mounting seat 5 can be adjusted, the degree of compression of thespring 3 is adjusted, thescrew 8 is rotated by the tool, thechain 2 is tensioned, the adjustment of the compression stroke of thespring 3 is completed, and the force for closing the door is adjusted.

Further, referring to fig. 2, openings are provided at both ends of thepipe body 1, thefirst mounting seat 5 is installed on one end opening of thepipe body 1, and themounting plate 12 is installed on the other end opening of thepipe body 1.Mounting panel 1 passes through screw demountable installation on the other end opening ofbody 1, pulls downmounting panel 12 can rotate through theinstrument bolt 62 withscrew 8 adjusts the degree thatspring 3 compressed.

Further, referring to fig. 3 and 4, a first limitingboss 71 is disposed on themovable plate 7 at the threaded hole, and a secondlimiting boss 52 is disposed on thefirst mounting seat 5 at the first clearance hole 51; one end of thespring 3 is sleeved on the firstlimiting boss 71, and the other end of thespring 3 is sleeved on the secondlimiting boss 52, so that thespring 3 is stably installed between themovable plate 7 and thefirst installation seat 5.

Further, referring to fig. 5, twosecond clearance holes 41 corresponding to the two first clearance holes 51 are formed in the second mountingseat 4, and the other ends of the twochains 2 respectively penetrate through the twosecond clearance holes 41 and are connected to the second mountingseat 4 through a connecting member. The connecting piece is a limitingpin 42, the other end of thechain 2 is provided with a pin hole matched with the limitingpin 42, and the limitingpin 42 penetrates through the pin hole to enable thechain 2 to be connected to the second mountingseat 4.

Still further, referring to fig. 5, a connectingplate 9 is further disposed on the second mountingseat 4, the connectingplate 9 is accommodated in the second mountingseat 4, and the connectingplate 9 is detachably mounted on the second mountingseat 4 by a fixingscrew 91. The other end ofchain 2passes connecting plate 9 to throughspacer pin 42 joint is in on the connectingplate 9, through connectingplate 9 makeschain 2 install steadily onsecond mount pad 4, and still be convenient for the change and the maintenance ofchain 2.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A spring door closer which is characterized in that: comprises a pipe body with at least one open end, a chain, a spring and a second mounting seat; a first mounting seat is arranged on an opening of the pipe body, and an adjusting assembly extending into the pipe body is arranged in the center of the first mounting seat; a movable plate is arranged in the pipe body, and the center of the movable plate is connected to the adjusting assembly in a sliding manner; the second mounting seat is arranged outside the pipe body relative to the first mounting seat; one ends of the two chains penetrate through the first mounting seat and are symmetrically connected to the movable plate, and the other ends of the two chains are symmetrically connected to the second mounting seat; each chain is sleeved with one spring, one end of each spring is abutted to the movable plate, and the other end of each spring is abutted to the first mounting seat.

2. The spring door closer of claim 1, wherein: the inside of the tube body is provided with a containing cavity, and the outline shape of the movable plate is matched with the containing cavity.

3. The spring door closer of claim 2, wherein: the adjusting component comprises a connecting column and a bolt; one end of the connecting column is vertically connected with the first mounting seat, and the other end of the connecting column is in threaded connection with the bolt.

4. The spring door closer of claim 3, wherein: the center of the movable plate is provided with a first through hole, and the movable plate is connected to the screw rod of the bolt in a sliding mode through the first through hole.

5. The spring door closer of any of claims 1-4, wherein: a pair of threaded holes is symmetrically formed in the two sides of the movable plate; each threaded hole is in threaded connection with a screw, and the tail end of each screw is pivoted with one end of one chain.

6. The spring door closer of claim 5, wherein: two first clearance holes corresponding to the two threaded holes are formed in the first mounting seat and used for avoiding the chain.

7. The spring door closer of claim 6, wherein: a first limiting boss is arranged on the movable plate at the threaded hole, and a second limiting boss is arranged on the first mounting seat at the first clearance hole; one end of the spring is sleeved on the first limiting boss, and the other end of the spring is sleeved on the second limiting boss.

8. The spring door closer of claim 6, wherein: and the second mounting seat is provided with two second clearance holes corresponding to the two first clearance holes, and the other ends of the two chains respectively penetrate through the two second clearance holes and are connected to the second mounting seat through connecting pieces.

9. The spring door closer of claim 8, wherein: the connecting piece is a limiting pin, a pin hole matched with the limiting pin is formed in the other end of the chain, and the limiting pin penetrates through the pin hole to enable the chain to be connected to the second mounting seat.

10. The spring door closer of claim 9, wherein: the both ends of body all are equipped with the opening, install on the one end opening of body first mount pad, a mounting panel is installed to the other end.

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