CN112360271A - Door closer capable of adjusting spring pressure for security protection - Google Patents
Door closer capable of adjusting spring pressure for security protection Download PDFInfo
- Publication number
- CN112360271A CN112360271A CN202011394183.1A CN202011394183A CN112360271A CN 112360271 A CN112360271 A CN 112360271A CN 202011394183 A CN202011394183 A CN 202011394183A CN 112360271 A CN112360271 A CN 112360271A
- Authority
- CN
- China
- Prior art keywords
- spring pressure
- shell
- door closer
- piston
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/18—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with counteracting springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a security door closer capable of adjusting spring pressure, which comprises a shell and an outer cover, wherein the outer cover is detachably connected with the shell, and can be detached after being used, so that later maintenance is facilitated, and the service life is prolonged; the spring pressure adjusting structure inside the shell is adjusted, so that the door closer can adjust the spring pressure according to the actual condition of the door body when being installed, the closing speed of the door body is adjusted, the problem of mismatching between the door closer and the door body is avoided, and smooth closing of the door body is guaranteed.
Description
Technical Field
The invention belongs to the technical field of security inspection and protection, and particularly relates to a door closer capable of adjusting spring pressure for security protection.
Background
The door closer is a hydraulic press similar to a spring on the door head, can be released after being compressed after the door is opened, automatically closes the door, has the function of a spring door, and can ensure that the door is accurately and timely closed to an initial position after being opened;
most of existing door closers are complex in structure, burden is caused to installation work of workers, meanwhile, due to the fact that the existing door closer closed structure cannot be maintained in the later period, and if all door closers with the same spring pressure, the problem that the closing speed of a door body cannot be adjusted occurs.
Disclosure of Invention
The invention mainly solves the technical problem of providing a door closer capable of adjusting spring pressure for security protection, which comprises a shell and an outer cover, wherein the outer cover is detachably connected with the shell, and can be detached after being used, so that later maintenance is facilitated, and the service life is prolonged; the spring pressure adjusting structure inside the shell is adjusted, so that the door closer can adjust the spring pressure according to the actual condition of the door body when being installed, the closing speed of the door body is adjusted, the problem of mismatching between the door closer and the door body is avoided, and smooth closing of the door body is guaranteed.
In order to solve the above technical problems, one technical solution adopted by the present invention is as follows:
the telescopic type electric heating device comprises a shell and an outer cover, wherein the outer cover is in threaded connection with the shell, a telescopic rod is arranged in the shell, the output end of the telescopic rod extends to the outer side of the outer cover and is fixedly connected with a fixed block, and a sliding block is arranged at the bottom end of the fixed block;
the telescopic rod is provided with a piston at one end far away from the outer cover, the piston is provided with oil holes penetrating through two axial ends of the piston, a sealing layer is arranged on the circumferential surface of the piston, a spring is connected to one side of the piston close to the outer cover, and a spring pressure adjusting structure is arranged at the other end of the spring.
Furthermore, the shell is fixedly installed on the surface of the door frame, and a sliding groove in sliding connection with the sliding block is formed in the upper end of the door body.
The spring pressure adjusting structure comprises a position adjusting plate and a limiting bolt, wherein a limiting groove matched with the limiting bolt is formed in the inner side wall of the shell, the head of the limiting bolt is clamped in the limiting groove in a sliding connection mode, a flange is arranged on the circumferential direction of the position adjusting plate and provided with a threaded hole, one end of the limiting bolt is inserted into the threaded hole and connected with a limiting nut in a threaded mode, and a through hole used for penetrating and extending the telescopic rod is formed in the position adjusting plate. Furthermore, the limiting groove is provided with 2, and 2 the limiting groove is symmetrically arranged.
Further, the shell is of a hollow cylindrical structure, the outer diameter of the piston is smaller than the inner diameter of the shell by 3mm, and the thickness of the sealing layer is 3 mm.
Further, the oil hole is provided with 6 groups, and the 6 groups of oil holes are uniformly distributed along the circumferential direction of the piston.
Furthermore, the limiting groove is provided with 2, and 2 the limiting groove is symmetrically arranged.
Further, an oil filling opening is formed in the outer side of the shell.
Further, one side of the flange, which is attached to the shell, is provided with a rubber gasket.
The invention has the beneficial effects that:
when the door body is used, a user pushes the door body to open the door body, the sliding block is promoted to slide to one side in the sliding groove, meanwhile, the piston in the shell slides in the same direction and extrudes the spring, when the user releases the door body, the spring begins to relax after losing pressure and pushes the piston to reset, meanwhile, the sliding block slides reversely in the sliding groove, and the piston is subjected to oil resistance to realize slow closing action, so that the door body is closed;
according to the invention, the spring pressure adjusting structure is designed in the door closer, so that the real-time adjustment of the spring pressure in the door closer is realized, the door closer can adjust the spring pressure according to the actual condition of the door body during installation, the closing speed of the door body is adjusted, the problem of mismatching between the door closer and the door body is avoided, and the smooth closing of the door body is ensured.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the installation position of the present invention;
the parts in the drawings are marked as follows:
the oil injection device comprises a shell 10, a limiting groove 11, an oil injection port 12, an outer cover 20, an expansion rod 30, a fixed block 31, a sliding groove 40, a sliding block 50, a piston 60, an oil hole 61, a sealing layer 62, a spring 70, a positioning plate 80, a flange 81, a limiting bolt 90 and a limiting nut 91.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example (b):
a door closer capable of adjusting spring pressure for security protection is disclosed, as shown in figures 1 to 3: including casing 10 and enclosing cover 20, the enclosing cover with casing threaded connection, the inside telescopic link 30 that is equipped with of casing the output of telescopic link extends to the outside and the fixedly connected with fixed block 31 of enclosing cover, the bottom of fixed block is provided with slider 50, casing fixed mounting is on the surface of door frame, and door body upper end be equipped with slider sliding connection's spout.
The one end that the enclosing cover was kept away from to the telescopic link is equipped with piston 60, the piston has and link up the oilhole 61 at piston axial both ends, be equipped with the sealing layer 62 on the circumferential surface of piston, just one side that the piston is close to the enclosing cover is connected with spring 70, the other end of spring is equipped with spring pressure and adjusts the structure, the oilhole is equipped with 6 groups, just 6 groups oilhole are followed piston circumference evenly distributed.
The casing is hollow cylinder structure, the external diameter of piston is than the internal diameter of casing is little 3mm, the thickness of sealing layer is 3mm, spring pressure adjusts the structure and includes positioning plate 80 and spacing bolt 90, set up on the inside wall of casing with spacing bolt complex spacing groove 11, spacing bolt's head block in spacing inslot sliding connection, positioning plate's circumference has flange 81, the flange is seted up threaded hole, spacing bolt's one end is inserted screw hole and stop nut 91 threaded connection, positioning plate offers and is used for wearing to stretch the through-hole of telescopic link, the spacing groove is equipped with 2, and 2 spacing groove symmetry sets up.
The joint surface of the flange and the shell is provided with a rubber gasket, so that the friction force between the surface of the flange and the inner surface of the shell is increased, and the anti-skidding function is realized.
The outer cover is detachably connected with the shell, the outer cover can be detached after use, a spring pressure adjusting structure in the shell is adjusted, later maintenance is facilitated, and the service life is prolonged;
according to the invention, the spring pressure adjusting structure is designed in the door closer, the limiting bolt is in threaded connection with the flange on the positioning plate, the positioning plate is driven to move along the extending direction of the limiting groove by utilizing the sliding of the limiting bolt in the limiting groove, so that the length of the spring is changed, the elastic potential energy of the spring is changed, the acting force exerted on the spring is adjusted, the real-time adjustment of the spring pressure in the door closer is realized, the door closer can adjust the spring pressure according to the actual condition of the door body during installation, the adjustment of the closing speed of the door body is realized, the problem of mismatching between the door closer and the door body is avoided, and the smooth closing of the door body is ensured.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship described based on the embodiments and shown in the drawings, or the orientation or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The working principle of the invention is as follows:
when the door body is used, a user pushes the door body to open the door body, the sliding block is promoted to slide to one side in the sliding groove, meanwhile, the piston in the shell slides in the same direction and extrudes the spring, when the user releases the door body, the spring begins to relax after losing pressure and pushes the piston to reset, meanwhile, the sliding block slides reversely in the sliding groove, and the piston is subjected to oil resistance to realize slow closing action, so that the door body is closed;
according to the invention, the spring pressure adjusting structure is designed in the door closer, so that the real-time adjustment of the spring pressure in the door closer is realized, the door closer can adjust the spring pressure according to the actual condition of the door body during installation, the closing speed of the door body is adjusted, the problem of mismatching between the door closer and the door body is avoided, and the smooth closing of the door body is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a security protection is with door closer of adjustable spring pressure which characterized in that: the telescopic device comprises a shell (10) and an outer cover (20), wherein the outer cover is in threaded connection with the shell, a telescopic rod (30) is arranged inside the shell, the output end of the telescopic rod extends to the outer side of the outer cover and is fixedly connected with a fixed block (31), and a sliding block (50) is arranged at the bottom end of the fixed block;
the one end that the enclosing cover was kept away from to the telescopic link is equipped with piston (60), the piston has and link up oilhole (61) at piston axial both ends, be equipped with sealing layer (62) on the circumferential surface of piston, just one side that the piston is close to the enclosing cover is connected with spring (70), the other end of spring is equipped with spring pressure and adjusts the structure.
2. The door closer with the adjustable spring pressure for security according to claim 1, characterized in that: the shell is fixedly arranged on the surface of the door frame, and a sliding groove (40) in sliding connection with the sliding block is formed in the upper end of the door body.
3. The door closer with the adjustable spring pressure for security according to claim 1, characterized in that: the spring pressure adjusting structure comprises a position adjusting plate (80) and a limiting bolt (90), wherein a limiting groove (11) matched with the limiting bolt is formed in the inner side wall of the shell, the head of the limiting bolt is clamped in the limiting groove in sliding connection, a flange (81) is arranged in the circumferential direction of the position adjusting plate, a threaded hole is formed in the flange, one end of the limiting bolt is inserted into the threaded hole and is in threaded connection with a limiting nut (91), and the position adjusting plate is provided with a through hole used for penetrating and extending the telescopic rod.
4. The door closer with the adjustable spring pressure for security according to claim 1, characterized in that: the shell is of a hollow cylindrical structure, the outer diameter of the piston is smaller than the inner diameter of the shell by 3mm, and the thickness of the sealing layer is 3 mm.
5. The door closer with the adjustable spring pressure for security according to claim 1, characterized in that: the oilhole is equipped with 6 groups, just 6 groups oilhole are followed piston circumference evenly distributed.
6. The door closer with the adjustable spring pressure for security according to claim 3, characterized in that: the spacing groove is equipped with 2, and 2 the spacing groove symmetry sets up.
7. The door closer with the adjustable spring pressure for security according to claim 1, characterized in that: an oil filling port (12) is arranged on the outer side of the shell.
8. The door closer with the adjustable spring pressure for security according to claim 6, characterized in that: and one surface of the flange, which is attached to the shell, is provided with a rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394183.1A CN112360271A (en) | 2020-12-02 | 2020-12-02 | Door closer capable of adjusting spring pressure for security protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394183.1A CN112360271A (en) | 2020-12-02 | 2020-12-02 | Door closer capable of adjusting spring pressure for security protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360271A true CN112360271A (en) | 2021-02-12 |
Family
ID=74536634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011394183.1A Withdrawn CN112360271A (en) | 2020-12-02 | 2020-12-02 | Door closer capable of adjusting spring pressure for security protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251194A (en) * | 2022-07-27 | 2022-11-01 | 安徽华生机电集团有限公司 | Self-adaptive door closer structure of carding machine |
-
2020
- 2020-12-02 CN CN202011394183.1A patent/CN112360271A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251194A (en) * | 2022-07-27 | 2022-11-01 | 安徽华生机电集团有限公司 | Self-adaptive door closer structure of carding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |