CN209908211U - Self-closing door based on double-tension spring structure - Google Patents
Self-closing door based on double-tension spring structure Download PDFInfo
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- CN209908211U CN209908211U CN201821616928.2U CN201821616928U CN209908211U CN 209908211 U CN209908211 U CN 209908211U CN 201821616928 U CN201821616928 U CN 201821616928U CN 209908211 U CN209908211 U CN 209908211U
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- sleeve
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- connecting rod
- door body
- tension spring
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Abstract
The utility model relates to a self-closing door based on a double-tension spring structure, which comprises a fixed door body, wherein the top of the fixed door body is provided with a fixed seat, the fixed seat is articulated with a connecting block through a first pin shaft, the other end of the connecting block is fixed with a first upright post rod, and the first upright post rod is fixed at the top of a movable door body; a second upright post is fixed on one side, close to the fixed seat, of the fixed door body, a first three-sleeve connecting rod is hinged to the second upright post, the tail end of the first three-sleeve connecting rod is connected with the second three-sleeve connecting rod through a second pin shaft, and the other tail end of the second three-sleeve connecting rod is hinged to the first upright post rod; a first tensioning reset mechanism is arranged between the fixed door body and the second three-sleeve connecting rod; and a second tensioning reset mechanism is arranged between the movable door body and the first three-sleeve connecting rod. This self-closing door can be used for preventing fire door of district floor, has the self-closing effect, and its durability is good moreover, long service life, opens the convenience.
Description
Technical Field
The utility model belongs to the technical field of prevent fire door, especially relate to self-closing door based on two reed structures.
Background
Along with the continuous improvement of requirement to building fire prevention, the corridor of floor all need install fire door in the district, all need to prevent that fire door is in from the closed condition under the normal conditions, and then plays the purpose of fire prevention, adopts hydraulic link mechanism to realize the self-closing of the door body by the fire door self-closing structure commonly used again greatly, above-mentioned hydraulic link mechanism has the defect in following several aspects in the in-service use:
(1) due to the adoption of the multi-link mechanism, fatigue damage is easy to occur after the multi-link mechanism is used for multiple times;
(2) due to the adoption of the hydraulic damping structure design, a large force needs to be applied in the opening process of the door body, and the door body is inconvenient to open;
(3) in the event of a fire, failure may occur at high temperatures due to the use of hydraulic damping rods.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-closing door based on two extension spring structures, this self-closing door can be used for preventing fire door of district floor, has the self-closing effect, and its durability is good moreover, and long service life opens the convenience.
In order to achieve the purpose, the design scheme of the utility model is that: the self-closing door based on the double-tension spring structure comprises a fixed door body, wherein a fixed seat is arranged at the top of the fixed door body, a connecting block is hinged to the fixed seat through a first pin shaft, a first upright post rod is fixed to the other end of the connecting block, and the first upright post rod is fixed to the top of a movable door body; a second upright post is fixed on one side, close to the fixed seat, of the fixed door body, a first three-sleeve connecting rod is hinged to the second upright post, the tail end of the first three-sleeve connecting rod is connected with the second three-sleeve connecting rod through a second pin shaft, and the other tail end of the second three-sleeve connecting rod is hinged to the first upright post rod; a first tensioning reset mechanism is arranged between the fixed door body and the second three-sleeve connecting rod; and a second tensioning reset mechanism is arranged between the movable door body and the first three-sleeve connecting rod.
The first third sleeve connecting rod comprises a first sleeve, the first sleeve is connected with the second sleeve through a long connecting rod, the second sleeve is connected with the third sleeve through a short connecting rod, the first sleeve is hinged to the second upright post, and the third sleeve is hinged to the second pin.
The third sleeve connecting rod comprises a fourth sleeve, the fourth sleeve is connected with a fifth sleeve through a long connecting rod, the fifth sleeve is connected with a sixth sleeve through a short connecting rod, the fourth sleeve is hinged to the first upright post rod, and the sixth sleeve is hinged to the second pin shaft.
The first tensioning reset mechanism comprises a first tension spring connecting column, the first tension spring connecting column is fixed at the top of the fixed door body, a first tension spring is hooked on the first tension spring connecting column, the other end of the first tension spring is hooked on a second tension spring connecting column, and the second tension spring connecting column is fixed on a fifth sleeve of the third sleeve connecting rod.
The second tensioning reset mechanism comprises a third tension spring connecting column, the third tension spring connecting column is fixed at the top of the movable door body, a second tension spring is hooked on the third tension spring connecting column, the other end of the second tension spring is hooked on a fourth tension spring connecting column, and the fourth tension spring connecting column is fixed on a second sleeve of the first three-sleeve connecting rod.
The utility model discloses there is following beneficial effect:
1. through adopting the self-closing door of above-mentioned structure, with the fire door position of its installation and district floor, as preventing fire door use, it is under natural state, owing to receive the effect of the taut canceling release mechanical system of first tensioning canceling release mechanical system and second for the floating gate body is in the closed condition all the time, and then plays the purpose of preventing fire door.
2. The self-closing door with the structure has the advantages that the tension spring is used as the damping element, the opening is convenient, the tension springs with different rigidity can be selected for effectively adjusting the resistance, and the opening can be realized without too large force in the opening process.
3. Because the tension spring is used as the self-closing reset mechanism, the stability is good and the service life is long.
4. Because the mechanical connecting and mounting structure is adopted, the reliability is good, and the device is always in a normal working state and has good quality even under the condition of fire or high temperature.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural diagram of the present invention in a closed state.
Fig. 2 is a state structure diagram of the process of the present invention.
Fig. 3 is a structural diagram of the utility model in the open state.
In the figure: the fixed door body 1, the first extension spring connecting column 2, the first extension spring 3, the second sleeve 4, the fourth extension spring connecting column 5, the sixth sleeve 6, the second pin 7, the third sleeve 8, the fifth sleeve 9, the second extension spring 10, the third extension spring connecting column 11, the movable door body 12, the second extension spring connecting column 13, the first upright column rod 14, the fourth sleeve 15, the connecting block 16, the first pin 17, the fixed seat 18, the second upright column 19 and the first sleeve 20.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-3, the self-closing door based on the double tension spring structure comprises a fixed door body 1, wherein a fixed seat 18 is arranged at the top of the fixed door body 1, a connecting block 16 is hinged on the fixed seat 18 through a first pin shaft 17, a first upright post rod 14 is fixed at the other end of the connecting block 16, and the first upright post rod 14 is fixed at the top of a movable door body 12; a second upright post 19 is fixed on one side, close to the fixed seat 18, of the fixed door body 1, a first three-sleeve connecting rod is hinged to the second upright post 19, the tail end of the first three-sleeve connecting rod is connected with the second three-sleeve connecting rod through a second pin shaft 7, and the other tail end of the second three-sleeve connecting rod is hinged to the first upright post rod 14; a first tensioning reset mechanism is arranged between the fixed door body 1 and the second three-sleeve connecting rod; and a second tensioning reset mechanism is arranged between the movable door body 12 and the first three-sleeve connecting rod. Through adopting the self-closing door of above-mentioned structure, with the fire door position of its installation and district floor, as preventing fire door use, it is under natural state, owing to receive the effect of the taut canceling release mechanical system of first tensioning canceling release mechanical system and second for the floating gate body 12 is in the closed condition all the time, and then plays the purpose of preventing fire door.
Further, first three sleeve connecting rods include first sleeve 20, first sleeve 20 links to each other with second sleeve 4 through long connecting rod, second sleeve 4 links to each other with third sleeve 8 through short connecting rod, the articulated suit of first sleeve 20 is on second stand 19, the articulated suit of third sleeve 8 is on second round pin axle 7. The first three-sleeve connecting rod with the structure can realize the hinging between the movable door body 12 and the fixed door body 1, thereby realizing the opening and closing of the movable door body.
Further, the third sleeve connecting rod of second includes fourth sleeve 15, fourth sleeve 15 links to each other with fifth sleeve 9 through long connecting rod, fifth sleeve 9 links to each other with sixth sleeve 6 through short connecting rod, the articulated suit of fourth sleeve 15 is on first stand pole 14, the articulated suit of sixth sleeve 6 is on second round pin axle 7. The first three-sleeve connecting rod with the structure can realize the hinging between the movable door body 12 and the fixed door body 1, thereby realizing the opening and closing of the movable door body.
Further, first taut canceling release mechanical system includes first extension spring spliced pole 2, first extension spring spliced pole 2 is fixed at the top of the fixed door body 1, and first extension spring 3 has been hung to the hook on first extension spring spliced pole 2, the other end hook of first extension spring 3 is hung on second extension spring spliced pole 13, second extension spring spliced pole 13 is fixed on the fifth sleeve 9 of the three sleeve connecting rods of second. Through the first tensioning reset mechanism, the movable door body 12 is ensured to be closed by pulling the first tension spring 3 again after the movable door body 12 is pushed away.
Furthermore, the taut canceling release mechanical system of second includes third extension spring spliced pole 11, third extension spring spliced pole 11 is fixed at the top of the dodge gate body 12, has hooked on third extension spring spliced pole 11 and has been hung second extension spring 10, the other end hook of second extension spring 10 is hung on fourth extension spring spliced pole 5, fourth extension spring spliced pole 5 is fixed on the second sleeve 4 of first three sleeve connecting rods. By the second tensioning reset mechanism, the movable door body 12 is ensured to be closed by pulling the second tension spring 10 again after the movable door body 12 is pushed away.
The utility model discloses a working process and theory of operation:
firstly, the first three-sleeve connecting rod, the second three-sleeve connecting rod, the first tensioning resetting mechanism and the second tensioning resetting mechanism are effectively connected and assembled to form a self-closing door;
when the door needs to be opened, the movable door body 12 is only required to be pushed, and the movable door body 12 rotates around the first pin shaft 17, so that the opening of the door is realized;
after the movable door body 12 is loosened, the movable door body 12 is automatically closed under the action of the first tensioning reset mechanism and the second tensioning reset mechanism, and the purpose of normally closed fire prevention is achieved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. The skilled person can modify the above described embodiments without departing from the innovative points and operating steps of the present invention, within the scope of the appended claims. The scope of protection of the present invention is to be covered by the claims of the present invention.
Claims (3)
1. Self-closing door based on two extension spring structures, its characterized in that: the door comprises a fixed door body (1), wherein a fixed seat (18) is arranged at the top of the fixed door body (1), a connecting block (16) is hinged on the fixed seat (18) through a first pin shaft (17), a first upright post rod (14) is fixed at the other end of the connecting block (16), and the first upright post rod (14) is fixed at the top of a movable door body (12); a second upright post (19) is fixed on one side, close to the fixed seat (18), of the fixed door body (1), a first three-sleeve connecting rod is hinged to the second upright post (19), the tail end of the first three-sleeve connecting rod is connected with a second three-sleeve connecting rod through a second pin shaft (7), and the other tail end of the second three-sleeve connecting rod is hinged to a first upright post rod (14); a first tensioning reset mechanism is arranged between the fixed door body (1) and the second three-sleeve connecting rod; a second tensioning reset mechanism is arranged between the movable door body (12) and the first three-sleeve connecting rod;
the first tensioning reset mechanism comprises a first tension spring connecting column (2), the first tension spring connecting column (2) is fixed at the top of the fixed door body (1), a first tension spring (3) is hooked on the first tension spring connecting column (2), the other end of the first tension spring (3) is hooked on a second tension spring connecting column (13), and the second tension spring connecting column (13) is fixed on a fifth sleeve (9) of a second three-sleeve connecting rod;
the taut canceling release mechanical system of second includes third extension spring spliced pole (11), third extension spring spliced pole (11) are fixed at the top of the dodge gate body (12), and it has second extension spring (10) to hook on third extension spring spliced pole (11), the other end hook of second extension spring (10) is hung on fourth extension spring spliced pole (5), fourth extension spring spliced pole (5) are fixed on second sleeve (4) of first three sleeve connecting rods.
2. The self-closing door based on the double tension spring structure as claimed in claim 1, wherein: first three sleeve connecting rods include first sleeve (20), first sleeve (20) link to each other with second sleeve (4) through long connecting rod, second sleeve (4) link to each other with third sleeve (8) through short connecting rod, the articulated suit of first sleeve (20) is on second stand (19), the articulated suit of third sleeve (8) is on second round pin axle (7).
3. The self-closing door based on the double tension spring structure as claimed in claim 1, wherein: the third sleeve connecting rod of the second comprises a fourth sleeve (15), the fourth sleeve (15) is connected with a fifth sleeve (9) through a long connecting rod, the fifth sleeve (9) is connected with a sixth sleeve (6) through a short connecting rod, the fourth sleeve (15) is hinged to be sleeved on the first upright post rod (14), and the sixth sleeve (6) is hinged to be sleeved on the second pin shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616928.2U CN209908211U (en) | 2018-09-30 | 2018-09-30 | Self-closing door based on double-tension spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616928.2U CN209908211U (en) | 2018-09-30 | 2018-09-30 | Self-closing door based on double-tension spring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209908211U true CN209908211U (en) | 2020-01-07 |
Family
ID=69025015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616928.2U Expired - Fee Related CN209908211U (en) | 2018-09-30 | 2018-09-30 | Self-closing door based on double-tension spring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209908211U (en) |
-
2018
- 2018-09-30 CN CN201821616928.2U patent/CN209908211U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210930 |