CN216811353U - Spring type door closer - Google Patents
Spring type door closer Download PDFInfo
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- CN216811353U CN216811353U CN202123215020.5U CN202123215020U CN216811353U CN 216811353 U CN216811353 U CN 216811353U CN 202123215020 U CN202123215020 U CN 202123215020U CN 216811353 U CN216811353 U CN 216811353U
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- adjusting plate
- fixing seat
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Abstract
The utility model provides a spring type door closer, which comprises a door closer main body and a rotating rod, wherein the door closer main body is provided with a door closer fixing seat, a first spring, a second spring and a moving device are arranged in the door closer fixing seat, one end of the moving device is abutted with one end of the first spring, and one end of the first spring, which is far away from the moving device, is abutted with the inner wall; one end, far away from the first spring, of the moving device is abutted against the second spring, and one end, far away from the moving device, of the second spring is abutted against the inner wall; one end of the rotating rod is used for being abutted against the door, and the other end of the rotating rod is connected with the moving device. Compare with traditional hydraulic oil formula door closer or cam structure door closer, the spring door closer that this application provided, simple structure, it is with low costs, elastic potential energy through the spring can realize reducing the closing speed, slows down the impact of door to the door frame, extension door life.
Description
Technical Field
The utility model belongs to the technical field of door closers, and particularly relates to a spring type door closer.
Background
Most of the traditional automatic door closers adopt a hydraulic oil type or cam structure; the hydraulic oil type door closer is large in size and heavy in mass, oil leakage risk exists in hydraulic oil, and the hydraulic oil is easy to freeze in a cold area with the temperature lower than zero, so that the automatic door closer fails; the door closer adopting the cam structure has the defects that the cam structure is difficult to manufacture, and the manufacturing cost is increased. The existing automatic door closer adopts a spring type door closer partially, when an operator pushes a door leaf, elastic potential energy is stored by utilizing the deformation of a spring such as compression or stretching, when the operator leaves the door leaf, the spring enables a pull rod to rapidly close the door under the action of the spring due to the release of energy, the door closing speed is too high, and great damage is easily caused to the door.
SUMMERY OF THE UTILITY MODEL
To above-mentioned technical problem, the application provides a spring door closer that reduces the speed of closing the door through the elastic potential energy of spring, and the speed of closing the door is adjustable.
On one hand, the utility model provides a spring type door closer, which comprises a door closer main body and a rotating rod, wherein the door closer main body is provided with a door closer fixing seat, a first spring, a second spring and a moving device are arranged in the door closer fixing seat, one end of the moving device is abutted against one end of the first spring, and one end of the first spring, which is far away from the moving device, is abutted against the inner wall of the door closer fixing seat;
one end of the moving device, which is far away from the first spring, is abutted against the second spring, and one end of the second spring, which is far away from the moving device, is abutted against the inner wall of the door closer fixing seat;
one end of the rotating rod is used for abutting against a door, the other end of the rotating rod is connected with the moving device, the moving device is driven to move between a first position and a second position in the door closer fixing seat by the rotation of the rotating rod, and when the door is in a closed state, the moving device is located at the first position; the moving means is located in the second position when the door is in the fully open state.
Preferably, the moving device comprises a sliding sleeve, a fixed shaft, a gear and a rack are arranged in the sliding sleeve, the fixed shaft is fixedly connected with one end of the rotating rod, which is far away from the door, the end of the fixed shaft, which is far away from the rotating rod, is rotatably connected with the door closer fixing seat, the gear is fixedly sleeved on the fixed shaft, the gear is meshed with the rack, and the rack is fixed in the sliding sleeve; one end of the sliding sleeve is abutted to the first spring, and one end of the sliding sleeve, which is far away from the first spring, is abutted to the second spring.
Preferably, the door closer main body further comprises a first adjusting plate device, one end of the first adjusting plate device is abutted to the first spring, and one end of the first adjusting plate device, which is far away from the first spring, is in threaded connection with the door closer fixing seat.
Preferably, the first adjusting plate device comprises a first adjusting plate and a first screw, the first adjusting plate is arranged in the door closer fixing seat, and one end of the first adjusting plate is abutted to the first spring;
one end of the first screw is connected with the first adjusting plate, and one end of the first screw, which is far away from the first adjusting plate, is in threaded connection with the door closer fixing seat.
Preferably, the elastic force of the first spring is greater than the elastic force of the second spring.
Preferably, the door closer main body further comprises a second adjusting plate device, one end of the second adjusting plate device is abutted to the second spring, and the second adjusting plate device is in threaded connection with the door closer fixing seat.
Preferably, regulating plate device two includes regulating plate two and screw two, regulating plate two set up in the door closer fixing base, the one end of regulating plate two with two butts of spring, the one end of screw two with regulating plate two is connected, screw two is kept away from the one end of regulating plate two with door closer fixing base threaded connection.
Preferably, still include the rubber tyer, the dwang is kept away from the one end of fixed axle with the rubber tyer rotates to be connected, the rubber tyer with the door butt.
Preferably, the rubber wheel further comprises a pressing block, the pressing block is fixed on the door, an inner space is formed between the pressing block and the door, and the rubber wheel is arranged in the inner space.
Preferably, the rotating rod is a connecting rod or a double connecting rod.
The utility model has the beneficial effects that:
according to the spring type door closer, the door closer main body is provided with the door closer fixing seat, the first spring, the second spring and the moving device are arranged in the door closer fixing seat, when a door is pushed, the rotating rod drives the moving device to move towards the direction close to the first spring, the first spring is compressed, the elastic potential energy of the first spring is increased, meanwhile, the elastic potential energy of the second spring is reduced, and the door opening action is realized; when the pushing force of the door is removed in the opening state, the first spring releases elastic potential energy to push the moving device to move in the direction away from the first spring, and the pushing device drives the rotating rod to rotate to realize the door closing action; in the door closing process, the pushing device moves towards the direction close to the second spring, the second spring is compressed, and the second spring plays a role in reducing the door closing speed, so that the impact of the door on the door frame is reduced, and the injury to people is also prevented. Compared with the traditional hydraulic oil type door closer or cam structure door closer, the spring type door closer provided by the application has the advantages that the structure is simple, the cost is low, the door closing speed can be reduced through the elastic potential energy of the spring, the impact of the door on a door frame is reduced, and the service life of the door is prolonged; compared with the prior art, the spring door closer that this application provided, the closer main part is mutually supported with the dwang, can realize opening 180 degrees angles of opening the door, enlarges the application field of door closer.
Drawings
Fig. 1 is a schematic view of the internal structure of a fixed seat of a door closer of a spring type;
fig. 2 is a schematic view of a spring type door closer structure;
FIG. 3 is a top view of a spring door closer mounting structure;
fig. 4 is a schematic view of a spring type door closer mounting structure in which the rotating lever is a double link.
The reference numbers in the drawings of the specification are as follows:
1. a first spring; 2. a second spring; 3. a gear; 4. a rack; 5. a fixed shaft; 6. a first adjusting plate; 7. a second adjusting plate; 8. a first screw; 9. a second screw; 10. a sliding sleeve; 11. a door closer fixing seat; 12. rotating the rod; 121. a first connecting rod; 122. a second connecting rod; 13. a rubber wheel; 14. briquetting; 15. a door closer main body.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-4, the present embodiment provides a spring type door closer, including a door closer main body 15 and a rotating rod 12, where the door closer main body 15 is provided with a door closer fixing seat 11, a first spring 1, a second spring 2 and a moving device are arranged in the door closer fixing seat 11, one end of the moving device abuts against one end of the first spring 1, and one end of the first spring 1, which is far away from the moving device, abuts against an inner wall of the door closer fixing seat 11;
one end of the moving device, which is far away from the spring I1, is abutted against the spring II 2, and one end of the spring II 2, which is far away from the moving device, is abutted against the inner wall of the door closer fixing seat 11;
one end of the rotating rod 12 is used for abutting against a door, the other end of the rotating rod 12 is connected with the moving device, the rotating rod 12 rotates to drive the moving device to move between a first position and a second position in the door closer fixing seat 11, and when the door is in a closed state, the moving device is located at the first position; the moving means is located in the second position when the door is in the fully open state.
According to the spring type door closer provided by the embodiment, the door closer main body 15 is provided with the door closer fixing seat 11, the first spring 1, the second spring 2 and the moving device are arranged in the door closer fixing seat 11, the rotating rod 12 drives the moving device to move towards the direction close to the first spring 1 when the door is pushed, the first spring 1 is compressed, the elastic potential energy of the first spring 1 is increased, meanwhile, the elastic potential energy of the second spring 2 is reduced, and the door opening action is realized; when the thrust is removed in the opening state of the door, the spring I1 releases elastic potential energy to push the moving device to move in the direction away from the spring I1, and the moving device is pushed to drive the rotating rod 12 to rotate so as to realize the door closing action; in the door closing process, the moving device is pushed to move towards the direction close to the second spring 2, the second spring 2 is compressed, and the second spring 2 plays a role in reducing the door closing speed, so that the impact of the door on a door frame is relieved, and the injury to people is also prevented. Compared with the traditional hydraulic oil type door closer or cam structure door closer, the spring type door closer provided by the embodiment has the advantages of simple structure and low cost, the door closing speed can be reduced through the elastic potential energy of the spring, the impact of the door on a door frame is reduced, and the service life of the door is prolonged; compared with the prior art, the spring door closer provided by the embodiment has the advantages that the door closer main body 15 is matched with the rotating rod 12, the door opening angle can be 180 degrees, and the application field of the door closer is enlarged.
In this embodiment, the moving device includes a sliding sleeve 10, a fixed shaft 5, a gear 3 and a rack 4 are disposed in the sliding sleeve 10, the fixed shaft 5 is fixedly connected to one end of the rotating rod 12 away from the door, one end of the fixed shaft 5 away from the rotating rod 12 is rotatably connected to the door closer fixing seat 11, the gear 3 is fixedly sleeved on the fixed shaft 5, the gear 3 is engaged with the rack 4, and the rack 4 is fixed in the sliding sleeve 10; one end of the sliding sleeve 10 is abutted to the first spring 1, and one end of the sliding sleeve 10, which is far away from the first spring 1, is abutted to the second spring 2.
The gear 3 in the sliding sleeve 10 is meshed with the rack 4, and when the door is pushed, the rotating rod 12 rotates to drive the fixed shaft 5, the gear 3 and the rack 4 to move together towards the direction close to the first spring 1; when the thrust disappears, the first spring 1 releases elastic potential energy to push the whole moving device to move towards the direction close to the second spring 2, and the rotating rod 12 fixedly connected with the moving device rotates to realize the door closing action.
The door closer fixing seat 11 is convenient for fixing the door closer on the door frame and is convenient to install.
In this embodiment, the door closer main body 15 further includes a first adjusting plate device, one end of the first adjusting plate device abuts against the first spring 1, and one end of the first adjusting plate device, which is far away from the first spring 1, is in threaded connection with the door closer fixing seat 11.
The first adjusting plate device can adjust the pre-pressure of the first spring 1, so that the force when the door is pushed is adjusted. For example, the first adjusting plate device is adjusted, so that the pushing force is reduced when the door is pushed, and the door can be pushed open by smaller pushing force.
In this embodiment, the first adjusting plate device comprises a first adjusting plate 6 and a first screw 8, the first adjusting plate 6 is disposed in the door closer fixing seat 11, and one end of the first adjusting plate 6 abuts against the first spring 1;
one end of the first screw 8 is connected with the first adjusting plate 6, and one end, far away from the first adjusting plate 6, of the first screw 8 is in threaded connection with the door closer fixing seat 11.
The adjusting plate device I adjusts the pre-pressure of the spring I1, and the distance between the adjusting plate I6 and the inner wall of the door closer fixing seat 11 is adjusted by rotating the screw I8, so that the pre-pressure of the spring I1 is changed, and the thrust is influenced.
In this embodiment, the elastic force of the first spring 1 is greater than the elastic force of the second spring 2.
The elastic force of the first spring 1 is larger than that of the second spring 2, so that the door can be automatically closed by means of the fact that the elastic potential energy of the first spring 1 is larger than that of the second spring 2 when the door is located at any position.
In this embodiment, the door closer main body 15 further includes a second adjusting plate device, one end of the second adjusting plate device abuts against the second spring 2, and the second adjusting plate device is in threaded connection with the door closer fixing seat 11;
the second adjusting plate device can adjust the pre-pressure of the second spring 2, so that the movement speed of the door is adjusted when the door is closed.
In this embodiment, regulating plate device two includes regulating plate two 7 and two 9 screws, regulating plate two 7 set up in door closer fixing base 11, the one end of regulating plate two 7 with two 2 butts of spring, the one end of two 9 screws with two 7 regulation plates are connected, two 9 screws keep away from the one end of regulating plate two 7 with door closer fixing base 11 threaded connection.
The adjusting plate device II adjusts the pre-pressure of the spring II 2, and the distance between the adjusting plate II 7 and the inner wall of the door closer fixing seat 11 is adjusted by rotating the screw II 9, so that the pre-pressure of the spring II 2 is changed, and the movement speed of the door is adjusted when the door is closed.
In this embodiment, still include rubber tyer 13, the dwang 12 keep away from the one end of fixed axle 5 with rubber tyer 13 rotates and is connected, rubber tyer 13 with the door butt.
The rubber wheel 13 is used for transmitting the pushing force of the rotating rod 12 to the door.
In this embodiment, the door further includes a pressing block 14, the pressing block 14 is fixed on the door, the pressing block 14 forms an inner space with the door, and the rubber wheel 13 is disposed in the inner space.
The rubber wheel 13 is arranged in the inner space formed by the pressing block 14 and the door, so that the rubber wheel 13 is protected, and the rubber wheel 13 is prevented from being separated from the door.
In the spring type door closer provided by the embodiment, one end of the rotating rod 12, which is far away from the door closer main body 15, can also be connected with a sliding block, the sliding block is arranged in a sliding rail with a sliding groove, and the structure is also used for transmitting force between the door and the rotating rod 12; specifically, under the action of the pushing force of the pushing door or the rotating pushing force of the rotating rod 12, the sliding block slides in the sliding groove under the action of force, so as to assist the door pushing or closing action.
In the present embodiment, the door closer body 15 is fixed to the door frame, and one end of the rotating lever 12 away from the door closer body 15 abuts against the door; alternatively, the door closer body 15 may be fixed to the door, and the end of the rotating lever 12 remote from the door closer body 15 may be fixed to the door frame.
In the present embodiment, the present application provides a door closer, wherein the rotating rod 12 may be a connecting rod, as shown in fig. 3, and the rotating rod 12 is composed of one connecting rod. The application provides a door closer, according to door closer and rubber tyer 13, briquetting 14's structure, wherein dwang 12 can also be two connecting rods, as shown in fig. 4, dwang 12 comprises two connecting rods, connecting rod one 121 and connecting rod two 122 promptly, and the rotation is connected between connecting rod one 121 and the connecting rod two 122, if can be the pin junction mode realization rotation connection.
The working process of the spring type door closer is as follows: when the door is pushed, the rotating rod 12 is driven by the door to rotate, the rotating rod 12 drives the fixed shaft 5 and the gear 3 fixed with the fixed shaft 5 to rotate, the rack 4 meshed with the gear 3 pushes the sliding sleeve 10 to move towards the direction close to the first spring 1, the first spring 1 is compressed, the elastic potential energy of the first spring 1 is increased, meanwhile, the elastic potential energy of the second spring 2 is reduced or even zero, and the door opening action is realized; when the door is in an opening state, the thrust is removed, the compressed spring I1 releases elastic potential energy, the sliding sleeve 10 is pushed to move towards the direction far away from the spring I1, so that the gear 3 meshed with the rack 4 is pushed to move, the fixed shaft 5 fixedly connected with the gear 3 and the rotating rod 12 fixedly connected with the fixed shaft 5 rotate, and the rotating rod 12 drives the rubber wheel 13 to push the door to rotate so as to complete the door closing action. The screw I8 can be adjusted before the door is pushed, so that the pre-pressure of the spring I1 is adjusted, and the pushing force during door pushing is changed; the second screw 9 can be adjusted to change the pre-pressure of the second spring 2, adjust the movement speed during door closing and reduce the door closing speed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A spring type door closer is characterized by comprising a door closer main body and a rotating rod, wherein the door closer main body is provided with a door closer fixing seat, a first spring, a second spring and a moving device are arranged in the door closer fixing seat, one end of the moving device is abutted to one end of the first spring, and one end of the first spring, far away from the moving device, is abutted to the inner wall of the door closer fixing seat;
one end of the moving device, which is far away from the first spring, is abutted against the second spring, and one end of the second spring, which is far away from the moving device, is abutted against the inner wall of the door closer fixing seat;
one end of the rotating rod is used for abutting against a door, the other end of the rotating rod is connected with the moving device, the moving device is driven to move between a first position and a second position in the door closer fixing seat by the rotation of the rotating rod, and when the door is in a closed state, the moving device is located at the first position; the moving means is located in the second position when the door is in the fully open state.
2. The spring door closer according to claim 1, wherein the moving device comprises a sliding sleeve, a fixed shaft, a gear and a rack are arranged in the sliding sleeve, the fixed shaft is fixedly connected with one end of the rotating rod away from the door, one end of the fixed shaft away from the rotating rod is rotatably connected with the door closer fixing seat, the gear is fixedly sleeved on the fixed shaft, the gear is meshed with the rack, and the rack is fixed in the sliding sleeve; one end of the sliding sleeve is abutted to the first spring, and one end of the sliding sleeve, which is far away from the first spring, is abutted to the second spring.
3. The spring door closer of claim 1, wherein the door closer body further comprises a first adjusting plate device, one end of the first adjusting plate device abuts against the first spring, and one end of the first adjusting plate device, which is far away from the first spring, is in threaded connection with the door closer fixing seat.
4. The spring type door closer according to claim 3, wherein the first adjusting plate device comprises a first adjusting plate and a first screw, the first adjusting plate is arranged in the first door closer fixing seat, and one end of the first adjusting plate is abutted against the first spring;
one end of the first screw is connected with the first adjusting plate, and one end of the first screw, which is far away from the first adjusting plate, is in threaded connection with the door closer fixing seat.
5. The spring door closer of claim 1, wherein the first spring has a spring force greater than a spring force of the second spring.
6. The spring door closer of claim 1, wherein the door closer body further comprises a second adjusting plate device, one end of the second adjusting plate device abuts against the second spring, and the second adjusting plate device is in threaded connection with the door closer fixing seat.
7. The spring door closer of claim 6, wherein the second adjusting plate device comprises a second adjusting plate and a second screw, the second adjusting plate is arranged in the door closer fixing seat, one end of the second adjusting plate is abutted against the second spring, one end of the second screw is connected with the second adjusting plate, and one end of the second screw, which is far away from the second adjusting plate, is in threaded connection with the door closer fixing seat.
8. The spring door closer of claim 2, further comprising a rubber wheel, wherein one end of the rotating rod, which is far away from the fixed shaft, is rotatably connected with the rubber wheel, and the rubber wheel abuts against the door.
9. The spring door closer of claim 8, further comprising a press block fixed to the door, the press block forming an interior space with the door, the rubber wheel being disposed within the interior space.
10. The spring door closer of claim 1, wherein the rotating lever is a connecting lever or a double connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215020.5U CN216811353U (en) | 2021-12-20 | 2021-12-20 | Spring type door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215020.5U CN216811353U (en) | 2021-12-20 | 2021-12-20 | Spring type door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216811353U true CN216811353U (en) | 2022-06-24 |
Family
ID=82055019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123215020.5U Active CN216811353U (en) | 2021-12-20 | 2021-12-20 | Spring type door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216811353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354934A (en) * | 2022-09-22 | 2022-11-18 | 厦门市美头山五金制造有限公司 | Automatic door closing device |
-
2021
- 2021-12-20 CN CN202123215020.5U patent/CN216811353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354934A (en) * | 2022-09-22 | 2022-11-18 | 厦门市美头山五金制造有限公司 | Automatic door closing device |
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