CN221096239U

CN221096239U - Door closer

Info

Publication number: CN221096239U
Application number: CN202322294775.1U
Authority: CN
Inventors: 杜浩; 郑伯阳
Original assignee: Eco Schulte GmbH and Co KG
Current assignee: Eco Schulte GmbH and Co KG
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-06-07
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a door closer which is simple in structure and can conveniently adjust the compression amount of a spring. The technical problems to be solved by the utility model are realized by the following technical means: the utility model provides a door closer, includes drive main part and movable arm group, one side of drive main part is provided with the output spindle nose, the output spindle nose passes through movable arm group is connected with outside door body, the opposite side of drive main part is provided with spring energy storage subassembly, spring energy storage subassembly includes the installation shell and sets up moving part in the installation shell, the one end of moving part stretches into drive main part's inside and with output spindle nose linkage cooperation, the other end of moving part is provided with the spring, the one end of keeping away from of installation shell moving part is provided with the regulating part, the regulating part with the spring cooperatees. The utility model relates to the technical field of door closers.

Description

Door closer

Technical Field

The utility model relates to the technical field of door closers.

Background

Door closers have been relatively mature technical products, and include electric door closers, which generally adopt a motor to drive an automatic door leaf to close, and under a non-electric driving condition (such as a power-off condition or a manual mode condition, etc.), the door leaf loses motor control, so that the door cannot automatically complete the closing action. The current common solution is to use a standby battery to store energy, and when the main power supply is powered off, the standby power supply is started, and the door leaf is driven by a motor to be closed. The patent with the application number 201611136505.6 discloses an automatic door closer capable of adjusting rigidity and elastic energy storage, a gear shaft and a rack are arranged in a door closer shell, a main spring and 3 rebound springs are respectively arranged at two ends of the rack, and the rigidity coefficient is adjusted by matching the main spring and the 3 rebound springs, so that the door closing energy of the automatic door closer is just good, the automatic door closing without impact and noise is realized, and the service lives of a door and a door frame can be prolonged. The technical scheme of the patent utilizes another energy storage mode spring energy storage (physical energy storage) to realize the function of automatically closing the door under the non-electric driving condition, but the main spring and the rebound spring in the structure are matched and used for adjusting the rigidity coefficient, so that the structure is complex, and the occupied space is larger.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides the door closer which is simple in structure and can conveniently adjust the compression amount of the spring.

The technical problems to be solved by the utility model are realized by the following technical means: the utility model provides a door closer, includes drive main part and movable arm group, one side of drive main part is provided with the output spindle nose, the output spindle nose passes through movable arm group is connected with outside door body, the opposite side of drive main part is provided with spring energy storage subassembly, spring energy storage subassembly includes the installation shell and sets up moving part in the installation shell, the one end of moving part stretches into drive main part's inside and with output spindle nose linkage cooperation, the other end of moving part is provided with the spring, the one end of keeping away from of installation shell moving part is provided with the regulating part, the regulating part with the spring cooperatees.

In the scheme, the spring is arranged between the movable piece and the adjusting piece, and the movable piece is matched with the output shaft head, so that the compression degree of the spring can be treated from the other end of the spring, namely the adjusting piece; in the utility model, the adjusting piece is arranged at the end part of the installation shell and can adjust the depth of the abutting spring, namely, the adjusting piece can adjust the degree of the pressing spring and realize the adjustment of the compression amount of the spring, so that the effect of adjusting the compression amount of the spring similar to the prior art can be realized only by configuring the adjusting piece, and the spring can have enough energy storage to drive the door leaves with different specifications (door width/door weight) to move. Under the non-electricity driving condition (such as when outage), when the manual door body of will opening, the expansion arm group drives output spindle nose and rotates, and output spindle nose rotates and can link and make moving part compression spring, and when releasing the door body, the spring releases the energy storage, and the reverse output spindle nose that drives through the moving part rotates, and the output spindle nose rotates the back and drives the door body through expansion arm group motion, realizes closing the door automatically under the non-electricity driving condition.

In an embodiment, the adjusting piece includes first conflict cylinder piece and connects adjusting bolt on the first conflict cylinder piece, be provided with on the lateral wall of installation shell with the screw thread through-hole of adjusting bolt looks adaptation, first conflict cylinder piece is located the inside of installation shell and the one end of spring with first conflict cylinder piece conflict cooperation is connected.

In the above scheme, adjusting bolt can be through the length of screwing up the inside realization stretching into the installation shell, makes the adjustable degree of extrusion spring of first conflict cylinder piece then to the compression volume of control spring.

In one embodiment, the movable member includes a horizontally disposed toothed movable column and a second abutting cylindrical block connected to one end of the toothed movable column, and the spring is located between the first abutting cylindrical block and the second abutting cylindrical block. The output shaft head is provided with gear teeth in the driving main body, and the toothed movable column is engaged with the gear teeth

In the scheme, the movable piece is used as an intermediate connecting piece of the output shaft head and the spring, and the output shaft head and the movable piece are matched through the toothed movable column and the gear teeth to realize transmission.

In one embodiment, the first abutting cylindrical block and the second abutting cylindrical block are respectively provided with a bump, the two bumps are arranged at equal intervals in the same direction, and the mounting shell is provided with a sliding groove for sliding the bumps.

In the scheme, the two lugs are close to the shell so that the spring is compressed, and if the door body is completely opened, the compression amount of the spring is a certain value; therefore, the two protruding blocks can be considered to be close to each other until the compression amount of the spring is larger than the value, and then the two protruding blocks can be relatively locked through the binding rope, so that the spring energy storage component is artificially disabled, and the energy waste caused by acting on the spring to compress the spring when the door closer is normally used is avoided.

In one embodiment, the driving body is provided with a motor on the same side as the spring energy storage assembly, and an output shaft of the motor extends into the driving body and is in driving connection with the output shaft head.

In the scheme, the output shaft head is simultaneously provided with the motor to electrically drive the motor to rotate, so that the electric automatic light door is realized.

In one embodiment, the movable arm group comprises a first connecting arm and a second connecting arm, one end of the first connecting arm is connected with the output shaft head, the other end of the first connecting arm is rotatably provided with a rotating block, the second connecting arm is provided with a buckling chute, the rotating block is slidably arranged in the buckling chute, and the second connecting arm is connected with the outer door body.

In the above scheme, the movable arm group can realize that the output shaft head rotates and drives the door body to rotate by utilizing the first connecting arm and the second connecting arm, in addition, under the non-electric driving condition (such as when power is off), when the door body is opened by manual external force, the door body can reversely drive the movable arm group to enable the output shaft head to rotate, and then the compression spring is completed to enable the spring to store energy.

In one embodiment, the driving body is provided with a cube-shaped outer housing on the outside, the outer housing includes a U-shaped housing for mounting on a door edge and a sealing housing detachably connected to the U-shaped housing, the U-shaped housing includes a side wall, and a space is provided between the adjusting member and the side wall adjacent thereto.

In the above-described scheme, the space is used for manually screwing the adjusting bolt using the L-shaped screwdriver.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the fit of the door body of the present utility model;

fig. 3 is a schematic structural view of a movable member in the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

As shown in fig. 1 to 3, the door closer comprises a driving main body 1 and a movable arm group 2, wherein an output shaft head 3 is arranged on one side of the driving main body 1, the output shaft head 3 is connected with an outer door body 4 through the movable arm group 2, a spring energy storage assembly is arranged on the other side of the driving main body 1, the spring energy storage assembly comprises a mounting shell 5 and a movable piece 6 arranged in the mounting shell 5, one end of the movable piece 6 stretches into the driving main body 1 and is in linkage fit with the output shaft head 3, a spring 7 is arranged at the other end of the movable piece 6, an adjusting piece 8 is arranged at one end, far away from the movable piece 6, of the mounting shell 5, and the adjusting piece 8 is matched with the spring 7.

In the above-mentioned scheme, the spring 7 is installed between the movable member 6 and the adjusting member 8, and the movable member 6 is matched with the output shaft head 3, so that the compression degree of the spring 7 can be treated from the other end of the spring 7, namely the adjusting member 8; in the utility model, the adjusting piece 8 is arranged at the end part of the installation shell 5 and can adjust the depth of the abutting spring 7, namely, the adjusting piece 8 can adjust the degree of the pressing spring 7 and realize the adjustment of the compression amount of the spring 7, so the utility model can realize the effect of adjusting the compression amount of the spring 7 similar to the prior art by only configuring the adjusting piece 8, and the spring 7 can have enough energy storage to drive the door leaves with different specifications (door width/door weight) to move. Under the non-electricity driving condition (such as when outage), when the door body 4 is opened manually, the movable arm group 2 drives the output shaft head 3 to rotate, the output shaft head 3 rotates to enable the movable piece 6 to compress the spring 7 in a linkage mode, when the door body 4 is released, the spring 7 releases energy storage, the movable piece 6 reversely drives the output shaft head 3 to rotate, the movable arm group 2 drives the door body 4 to move after the output shaft head 3 rotates, and the door is automatically closed under the non-electricity driving condition.

In one embodiment, the adjusting member 8 includes a first abutting cylindrical block 9 and an adjusting bolt 10 connected to the first abutting cylindrical block 9, a threaded through hole adapted to the adjusting bolt 10 is provided on an outer sidewall of the mounting case 5, the first abutting cylindrical block 9 is located inside the mounting case 5, and one end of the spring 7 is connected to the first abutting cylindrical block 9 in an abutting fit.

In the above-described scheme, the adjusting bolt 10 can be screwed to achieve a length extending into the inside of the mounting case 5, and then the first abutting cylindrical block 9 is made to adjust the degree of pressing the spring 7, thereby controlling the compression amount of the spring 7.

In one embodiment, the movable member 6 includes a horizontally arranged toothed movable column 11 and a second abutting cylindrical block 12 connected to one end of the toothed movable column 11, and the spring 7 is located between the first abutting cylindrical block 9 and the second abutting cylindrical block 12. The output shaft head 3 is provided with gear teeth in the driving main body 1, and the toothed movable column 11 is engaged with the gear teeth

In the scheme, the movable piece 6 is used as an intermediate connecting piece of the output shaft head 3 and the spring 7, and the output shaft head 3 and the movable piece 6 are matched with each other through the toothed movable column 11 to realize transmission.

In one embodiment, the first abutting cylindrical block 9 and the second abutting cylindrical block 12 are respectively provided with a protruding block 13, the two protruding blocks 13 are arranged at equal intervals, and the mounting shell 5 is provided with a sliding groove 14 for sliding the protruding blocks 13.

In the above-mentioned scheme, two lugs 13 are close to the shell so that the spring 7 is compressed, and if the door body 4 is completely opened, the compression amount of the spring 7 is a certain value; therefore, the two protruding blocks 13 can be considered to be close to each other, so that the compression amount of the spring 7 is larger than the value, and then the two protruding blocks 13 can be relatively locked through the binding rope, so that the spring energy storage component is artificially disabled, and the energy waste caused by the fact that the spring 7 acts to compress the spring 7 during normal use of the door closer is avoided.

In one embodiment, the driving body 1 is provided with a motor 15 on the same side as the spring energy storage assembly, and an output shaft of the motor 15 extends into the driving body 1 and is in driving connection with the output shaft head 3.

In the scheme, the output shaft head 3 is simultaneously provided with the motor 15 to electrically drive the motor to rotate, so that an electric automatic light door is realized.

In one embodiment, the movable arm group 2 includes a first connecting arm 16 and a second connecting arm 17, one end of the first connecting arm 16 is connected with the output shaft head 3, the other end of the first connecting arm 16 is rotatably provided with a rotating block 18, the second connecting arm 17 is provided with a buckling chute 19, the rotating block 18 is slidably disposed in the buckling chute 19, and the second connecting arm 17 is connected with the outer door body 4.

In the above scheme, the movable arm group 2 can realize that the output shaft head 3 rotates and drives the door body 4 to rotate by using the first connecting arm 16 and the second connecting arm 17, in addition, under the non-electric driving condition (such as when power is off), when the door body 4 is opened by manual external force, the door body 4 can reversely drive the movable arm group 2 to enable the output shaft head 3 to rotate, and then the compression spring 7 is completed to enable the spring 7 to store energy.

In one embodiment, the driving body 1 is provided with a cubic outer casing 20 on the outside, the outer casing 20 includes a U-shaped casing 22 for mounting on a door edge 21 and a sealing casing 23 detachably connected to the U-shaped casing 22, the U-shaped casing 22 includes a side wall 24, and a space is provided between the adjusting member 8 and the side wall 24 adjacent thereto.

In the above-described scheme, this space is used for manually screwing the adjusting bolt 10 using an L-shaped screwdriver.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. The utility model provides a door closer, its characterized in that, including drive main part (1) and movable arm group (2), one side of drive main part (1) is provided with output spindle nose (3), output spindle nose (3) are passed through movable arm group (2) are connected with outside door body (4), the opposite side of drive main part (1) is provided with spring energy storage subassembly, spring energy storage subassembly is including installation shell (5) and setting up moving part (6) in installation shell (5), the one end of moving part (6) stretches into the inside of drive main part (1) and with output spindle nose (3) linkage cooperation, the other end of moving part (6) is provided with spring (7), the one end of keeping away from of installation shell (5) moving part (6) is provided with regulating part (8), regulating part (8) with spring (7) cooperate.

2. Door closer according to claim 1, characterized in that the adjusting member (8) comprises a first abutting cylindrical block (9) and an adjusting bolt (10) connected to the first abutting cylindrical block (9), a threaded through hole matched with the adjusting bolt (10) is arranged on the outer side wall of the mounting shell (5), the first abutting cylindrical block (9) is located in the mounting shell (5) and one end of the spring (7) is connected with the first abutting cylindrical block (9) in an abutting fit.

3. Door closer according to claim 2, characterized in that the moving part (6) comprises a horizontally arranged toothed moving column (11) and a second interference cylindrical block (12) connected to one end of the toothed moving column (11), the spring (7) being located between the first interference cylindrical block (9) and the second interference cylindrical block (12).

4. A door closer according to claim 3, wherein the output stub shaft (3) is provided with gear teeth inside the driving body (1), the toothed movable post (11) being in meshing engagement with the gear teeth.

5. A door closer according to claim 3, wherein the first abutting cylindrical block (9) and the second abutting cylindrical block (12) are respectively provided with a protruding block (13), the two protruding blocks (13) are arranged at the same direction and interval, and the mounting shell (5) is provided with a sliding groove (14) for the protruding blocks (13) to slide.

6. Door closer according to claim 1, characterized in that the drive body (1) is provided with a motor (15) on the same side as the spring energy storage assembly, the output shaft of the motor (15) extending into the interior of the drive body (1) and being in driving connection with the output stub shaft (3).

7. Door closer according to claim 1, characterized in that the movable arm group (2) comprises a first connecting arm (16) and a second connecting arm (17), one end of the first connecting arm (16) is connected with the output shaft head (3), the other end of the first connecting arm (16) is rotatably provided with a rotating block (18), the second connecting arm (17) is provided with a buckling chute (19), the rotating block (18) is slidably arranged in the buckling chute (19), and the second connecting arm (17) is connected with the outer door body (4).

8. Door closer according to claim 1, characterized in that the outside of the drive body (1) is provided with an outer casing (20) of cubic shape, the outer casing (20) comprising a U-shaped casing (22) for mounting on a door rim (21) and a closing casing (23) detachably connected to the U-shaped casing (22), the U-shaped casing (22) comprising a side wall (24), a distance being provided between the adjusting element (8) and the side wall (24) adjacent thereto.