CN210217461U - Combined hinge for realizing multiple balance of oven door - Google Patents
Combined hinge for realizing multiple balance of oven door Download PDFInfo
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- CN210217461U CN210217461U CN201920340265.4U CN201920340265U CN210217461U CN 210217461 U CN210217461 U CN 210217461U CN 201920340265 U CN201920340265 U CN 201920340265U CN 210217461 U CN210217461 U CN 210217461U
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Abstract
The utility model relates to the technical field of hinges, and discloses a combined hinge for realizing multiple balance of an oven door, which comprises a pair of combined hinges consisting of a first hinge assembly and a second hinge assembly, wherein the first hinge assembly and the second hinge assembly respectively comprise a long arm connected with the oven door and a short arm connected with a cabinet body of an oven, and one end of the long arm is in relative rotation connection with one end of the short arm through a central pin shaft; a spring damping type tensioning mechanism with a tensioning spring and a damper is further arranged between the short arm and the long arm in the first hinge assembly; the second hinge assembly is a hinge assembly without a damper. The utility model discloses can realize the multiple balanced function of oven door with lower manufacturing cost.
Description
Technical Field
The utility model relates to a hinge technical field, concretely relates to a combination formula hinge for realizing oven door multiple balance.
Background
An oven is an appliance used to bake food or dry products. The oven hinge is a connecting component used for connecting the oven door and the oven body in the oven. The oven hinges are usually installed in pairs, that is, two identical hinges are installed and connected between the oven door and the oven body and distributed on the left and right sides of the oven door and the oven body.
In the prior art, oven hinges can be generally classified into the following two categories according to their functions:
the first type is an oven hinge of a conventional structure, and a typical structure of the oven hinge includes two connecting arms for connecting an oven door and an oven cabinet respectively, the two connecting arms are connected by a hinge shaft, and a tension spring is arranged between the two connecting arms to tension the oven door when the door is closed. The oven hinge structure of conventional structure is comparatively simple, manufacturing cost is lower, but the function singleness, user experience are relatively poor.
The second type is an oven hinge with multiple balancing functions, which can realize balancing when the oven door is at different opening angles through a certain structural design, for example, when the oven door rotates to a position to be closed, the oven door can be automatically closed after the oven door is loosened by a hand; when the oven door rotates to a certain angle range, the oven door can stop at any position (also called hovering) after the hand is released; for another example, when the oven door is rotated to the position to be opened, the oven door can be automatically opened fully (i.e., fully opened) after the hand is released. The oven hinge structure with the structure is complex and has high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the shortcoming and not enough of above-mentioned two types of oven hinges among the prior art, propose a combination formula hinge for realizing oven door multiple balance, aim at realizing the multiple balanced function of oven door with lower manufacturing cost. The specific technical scheme is as follows:
a combined hinge for realizing multiple balance of an oven door comprises a pair of combined hinges consisting of a first hinge assembly and a second hinge assembly, wherein the first hinge assembly and the second hinge assembly respectively comprise a long arm used for being connected with the oven door and a short arm used for being connected with a cabinet body of an oven, and one end of the long arm and one end of the short arm are in relative rotation connection through a central pin shaft; a spring damping type tensioning mechanism with a tensioning spring and a damper is further arranged between the short arm and the long arm in the first hinge assembly and used for realizing multiple balance of automatic buffering door closing when the oven door is at a set first opening angle, automatic hovering when the oven door is at a set second opening angle and automatic buffering door opening when the oven door is at a set third opening angle, wherein the first opening angle is smaller than the second opening angle, and the second opening angle is smaller than the third opening angle; wherein the second hinge assembly is a hinge assembly without a damper.
When the oven door is operated and is close to the closed position, the moment generated by the self weight of the oven door is small due to the fact that the inclination angle of the oven door is small, the pulling force of the tensioning spring is enough to overcome the resultant force of the opening force formed by the self weight of the oven door and the damping force generated by the damper, and therefore when the oven door is loosened by hand, the oven door can be automatically closed under the action of the tensioning spring.
When the oven door is operated and is positioned at a position with a larger inclination angle, the moment generated by the self weight of the oven door is larger due to the larger inclination angle of the oven door; and the pulling force of the tensioning spring is synchronously increased at the moment, so that the pulling force of the tensioning spring and the opening force formed by the dead weight of the oven door form balance, and the oven door can automatically hover when the oven door is loosened by a hand.
When the oven door is operated and is positioned close to the opened position, the moment generated by the self weight of the oven door is further increased due to the fact that the inclination angle of the oven door is larger, the opening force generated by the self weight of the oven door is enough to overcome the resultant force of the tension spring and the damping force generated by the damper, and therefore when the oven door is loosened by a hand, the oven door can be automatically and completely opened under the action of the self weight.
Among the above-mentioned technical scheme, adopted a modular hinge to realize the multiple balance of oven door, adopted the first hinge subassembly that has taut spring, attenuator promptly as realizing the main component of the multiple balance of oven door, adopted the second hinge subassembly that does not have the attenuator of conventional low-cost as the side assembly, both cooperate, finally reach the purpose that has both realized the multiple balance of oven door and reduced manufacturing cost simultaneously.
Preferably, a spring type tensioning mechanism is arranged between the short arm and the long arm of the second hinge assembly.
The utility model discloses in the concrete structure of spring damping formula straining device does: the spring damping type tensioning mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a tensioning spring which are arranged between the short arm and the long arm and are sequentially connected, a first hinge shaft is arranged at a connecting part between the short arm and the first connecting rod, a second hinge shaft is arranged at a connecting part between the first connecting rod and the second connecting rod, a third hinge shaft is arranged at a connecting part between the second connecting rod and the third connecting rod, a limiting pin is arranged on the first connecting rod, one end of the tensioning spring is connected with the third connecting rod, and the other end of the tensioning spring is connected with the long arm; the third connecting rod is provided with a first guide positioning groove and a second guide positioning groove which are used for installing the damper, and two ends of the body of the damper are respectively provided with a transverse pin which is connected in the first guide positioning groove and the second guide positioning groove in a sliding manner; the damper is characterized in that a first limiting sliding groove, a second limiting sliding groove, a third limiting sliding groove and a fourth limiting sliding groove are respectively formed in the long arm, a limiting pin is slidably connected into the first limiting sliding groove, a third hinge shaft is slidably connected into the second limiting sliding groove, and two transverse pins at two ends of a body of the damper are respectively slidably connected into the third limiting sliding groove and the fourth limiting sliding groove.
Preferably, the damper is a hydraulic damper.
The utility model discloses in the concrete structure of spring straining device does: the spring type tensioning mechanism comprises a first connecting rod, a second connecting rod and a tensioning spring which are arranged between the short arm and the long arm and are sequentially connected, a first hinge shaft is arranged at a connecting part between the short arm and the first connecting rod, a second hinge shaft is arranged at a connecting part between the first connecting rod and the second connecting rod, one end of the tensioning spring is connected with the second connecting rod, and the other end of the tensioning spring is connected with the long arm; the long arm is provided with a first limiting sliding groove and a second limiting sliding groove respectively, the second hinge shaft is connected in the first limiting sliding groove in a sliding mode, a spring connecting pin is arranged at the joint of the second connecting rod and the tensioning spring, and the spring connecting pin is connected in the second limiting sliding groove in a sliding mode.
The utility model discloses in, the long arm is including outer link arm and the in-connection arm that has the two wallboard structures of symmetry respectively, just in-connection arm fixed connection be in the two wallboard inboards of the symmetry of outer link arm, the setting of the spacing spout of first spacing spout, second is in on the two wallboard of symmetry of in-connection arm, the setting of the spacing spout of third, fourth is in on the two wallboard of symmetry of outer link arm.
Wherein, the double-wall board comprises a pair of parallel flat plates arranged at intervals.
The utility model discloses in, first connecting rod, third connecting rod have the two wallboard structures of symmetry respectively, the body of attenuator is arranged in the two wallboards of symmetry of third connecting rod.
The outer connecting arm, the inner connecting arm, the first connecting rod and the third connecting rod of the hinge are designed in a double-wall plate structure, so that the oven hinge has good symmetry in the whole structure, and the whole strength of the oven hinge is improved.
The utility model discloses in, be provided with draw-in groove and the block tongue that is used for connecting the oven cabinet body on the forearm.
Preferably, the short arm is provided with a rotary locking block which is close to the clamping groove and the clamping tongue and is convenient to position and lock when the short arm is installed.
During installation, the short arm is clamped on the oven cabinet body through the clamping groove and the clamping tongue on the short arm, and then the rotary type locking block is pulled to enable the short arm to be locked and positioned.
The arrangement of the clamping groove, the clamping tongue and the rotary type locking block on the short arm can realize the quick installation and disassembly of the hinge, and is convenient and quick.
The utility model has the advantages that:
first, the utility model discloses a modular hinge realizes the multiple balance of oven door, adopts the first hinge subassembly that has taut spring, attenuator as realizing the main component of the multiple balance of oven door promptly, adopts the second hinge subassembly that does not have the attenuator of conventional low cost as the side subassembly, and both cooperate in coordination, finally reach the multiple balance that has both realized oven door, reduce manufacturing cost's purpose simultaneously again.
Second, the utility model provides an outer link arm, in-connection arm, first connecting rod, third connecting rod adopt the design of two wallboard structures for the oven hinge has better symmetry on overall structure, has also improved the bulk strength of oven hinge simultaneously.
Third, the utility model provides a draw-in groove, block tongue and rotary type latch segment's setting on the short arm can realize the quick installation and the dismantlement of hinge, and is convenient and swift.
Drawings
Fig. 1 is a schematic structural view of a combined hinge for realizing multiple balance of an oven door according to the present invention;
FIG. 2 is a schematic structural view of the first hinge assembly of FIG. 1;
FIG. 3 is a schematic view of the first hinge assembly of FIG. 2 with the outer connecting arm and the tension spring removed;
FIG. 4 is a schematic view of the structure of FIG. 3 with the inner connecting arms further removed;
FIG. 5 is a schematic structural view of the second hinge assembly of FIG. 1;
FIG. 6 is a schematic view of the second hinge assembly of FIG. 5 with the outer connecting arm and the tension spring removed;
fig. 7 is a schematic view of the structure of fig. 6 with the inner connecting arms further removed.
In the figure: 1. the hinge comprises a first hinge assembly, a second hinge assembly, a long arm, a second hinge assembly, a short arm, a second hinge assembly, a central pin shaft, a first connecting rod, a tensioning spring, a second hinge assembly, a damper, a spring damping tensioning mechanism, a spring tensioning mechanism, a first connecting rod, a second connecting rod, a third connecting rod, a limiting pin, a fourth connecting rod, a spring connecting pin, a third connecting rod, a fourth connecting rod, a transverse pin, a transverse sliding chute, a transverse sliding groove, a transverse.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 7 show an embodiment of a combined hinge for realizing multiple balance of an oven door according to the present invention, which includes a pair of combined hinges formed by a first hinge assembly 1 and a second hinge assembly 2, wherein each of the first hinge assembly 1 and the second hinge assembly 2 respectively includes a long arm 3 for connecting with an oven door and a short arm 4 for connecting with a cabinet body of an oven, and one end of the long arm 3 and one end of the short arm 4 are connected in a relative rotation manner by a central pin 5; a spring damping type tensioning mechanism 8 with a tensioning spring 6 and a damper 7 is further arranged between the short arm 4 and the long arm 3 of the first hinge assembly 1 and used for realizing multiple balance of automatic buffering door closing of the oven door at a set first opening angle, automatic hovering at a set second opening angle and automatic buffering door opening at a set third opening angle, wherein the first opening angle is smaller than the second opening angle, and the second opening angle is smaller than the third opening angle; wherein the second hinge assembly 2 is a hinge assembly without a damper.
When the oven door is operated and is close to the closed position, the moment generated by the self weight of the oven door is small due to the fact that the inclination angle of the oven door is small, the pulling force of the tensioning spring 6 is enough to overcome the resultant force of the opening force formed by the self weight of the oven door and the damping force generated by the damper 7, and therefore when the oven door is loosened by a hand, the oven door can be automatically closed under the action of the tensioning spring 6.
When the oven door is operated and is positioned at a position with a larger inclination angle, the moment generated by the self weight of the oven door is larger due to the larger inclination angle of the oven door; and the pulling force of the tensioning spring 6 is synchronously increased at the moment, so that the pulling force of the tensioning spring 6 and the opening force formed by the self weight of the oven door form balance, and the oven door can automatically hover when the oven door is loosened by a hand.
When the oven door is operated and is in a position close to the opened position, the moment generated by the self weight of the oven door is further increased due to the fact that the inclination angle of the oven door is large, the opening force generated by the self weight of the oven door is enough to overcome the resultant force of the tensile force of the tension spring 6 and the damping force generated by the damper 7, and therefore when the oven door is loosened by hand, the oven door can be automatically and completely opened under the action of the self weight.
In the technical scheme, the combined hinge is adopted to realize the multiple balance of the oven door, namely, the first hinge assembly 1 with the tension spring 6 and the damper 7 is adopted as a main assembly for realizing the multiple balance of the oven door, the second hinge assembly 2 without the damper with low cost is adopted as an auxiliary assembly, and the first hinge assembly and the second hinge assembly are cooperated to finally achieve the purposes of realizing the multiple balance of the oven door and reducing the manufacturing cost.
Preferably, a spring type tensioning mechanism 9 is arranged between the short arm 4 and the long arm 3 of the second hinge assembly 2.
The specific structure of the spring damping tensioning mechanism 8 in this embodiment is as follows: the spring damping type tensioning mechanism 8 comprises a first connecting rod 10, a second connecting rod 11, a third connecting rod 12 and a tensioning spring 6 which are arranged between the short arm 4 and the long arm 3 and are sequentially connected, a first hinge shaft 13 is arranged at a connecting part between the short arm 4 and the first connecting rod 10, a second hinge shaft 14 is arranged at a connecting part between the first connecting rod 10 and the second connecting rod 11, a third hinge shaft 15 is arranged at a connecting part between the second connecting rod 11 and the third connecting rod 12, a limit pin 16 is arranged on the first connecting rod 10, one end of the tensioning spring 6 is connected with the third connecting rod 12, and the other end of the tensioning spring 6 is connected with the long arm 3; the third connecting rod 12 is provided with a first guide positioning groove 17 and a second guide positioning groove 18 for installing the damper 7, and two ends of a body 19 of the damper are respectively provided with a transverse pin 20 which is slidably connected in the first guide positioning groove 17 and the second guide positioning groove 18; the long arm 3 is provided with a first limiting sliding groove 21, a second limiting sliding groove 22, a third limiting sliding groove 23 and a fourth limiting sliding groove 24 respectively, a limiting pin 16 is slidably connected in the first limiting sliding groove 21, a third hinge shaft 15 is slidably connected in the second limiting sliding groove 22, and two transverse pins 20 at two ends of a body 19 of the damper are slidably connected in the third limiting sliding groove 23 and the fourth limiting sliding groove 24 respectively.
Preferably, the damper 7 is a hydraulic damper.
The specific structure of the spring type tensioning mechanism 9 in this embodiment is: the spring type tensioning mechanism 9 comprises a first connecting rod 10, a second connecting rod 11 and a tensioning spring 6 which are arranged between the short arm 4 and the long arm 3 and are sequentially connected, a first hinge shaft 13 is arranged at a connecting part between the short arm 4 and the first connecting rod 10, a second hinge shaft 14 is arranged at a connecting part between the first connecting rod 10 and the second connecting rod 11, one end of the tensioning spring 6 is connected with the second connecting rod 11, and the other end of the tensioning spring 6 is connected with the long arm 3; the long arm 3 is provided with a first limiting sliding groove 21 and a second limiting sliding groove 22 respectively, the second hinge shaft 14 is connected in the first limiting sliding groove 21 in a sliding manner, a spring connecting pin 25 is arranged at the joint of the second connecting rod 11 and the tension spring 6, and the spring connecting pin 25 is connected in the second limiting sliding groove 22 in a sliding manner.
In this embodiment, the long arm 3 includes an outer connecting arm 26 and an inner connecting arm 27 that have a symmetric double-wall plate structure, respectively, and the inner connecting arm 27 is fixedly connected to the inner side of the symmetric double-wall plate of the outer connecting arm 26, the first limiting sliding groove 21 and the second limiting sliding groove 22 are disposed on the symmetric double-wall plate of the inner connecting arm 27, and the third limiting sliding groove 23 and the fourth limiting sliding groove 24 are disposed on the symmetric double-wall plate of the outer connecting arm 26.
Wherein, the double-wall board comprises a pair of parallel flat plates arranged at intervals.
In this embodiment, the first connecting rod 10 and the third connecting rod 12 have a symmetrical double-wall plate structure, respectively, and the body 19 of the damper is disposed in the symmetrical double-wall plate of the third connecting rod 12.
The outer connecting arm 26, the inner connecting arm 27, the first connecting rod 10 and the third connecting rod 12 of the hinge adopt a double-wall-plate structure design, so that the oven hinge has better symmetry in the overall structure, and the overall strength of the oven hinge is improved.
In this embodiment, the short arm 4 is provided with a slot 28 and a latch 29 for connecting the oven cabinet.
Preferably, a rotary locking block 30 which is convenient for positioning and locking when the short arm 4 is installed is further arranged on the short arm 4 near the clamping groove 28 and the clamping tongue 29.
During installation, the short arm 4 is clamped on the oven cabinet body through the clamping groove 28 and the clamping tongue 29 on the short arm 4, and then the rotary type locking block 30 is pulled to lock and position the short arm 4.
The arrangement of the clamping groove 28, the clamping tongue 29 and the rotary locking block 30 on the short arm 4 can realize the quick installation and disassembly of the hinge, and is convenient and quick.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The combined hinge for realizing the multiple balance of the oven door is characterized by comprising a pair of combined hinges consisting of a first hinge assembly and a second hinge assembly, wherein the first hinge assembly and the second hinge assembly respectively comprise a long arm for being connected with the oven door and a short arm for being connected with a cabinet body of an oven, and one end of the long arm is in relative rotary connection with one end of the short arm through a central pin shaft; a spring damping type tensioning mechanism with a tensioning spring and a damper is further arranged between the short arm and the long arm in the first hinge assembly and used for realizing multiple balance of automatic buffering door closing when the oven door is at a set first opening angle, automatic hovering when the oven door is at a set second opening angle and automatic buffering door opening when the oven door is at a set third opening angle, wherein the first opening angle is smaller than the second opening angle, and the second opening angle is smaller than the third opening angle; wherein the second hinge assembly is a hinge assembly without a damper.
2. The modular hinge assembly of claim 1 wherein a spring-loaded tensioning mechanism is provided between the short and long arms of the second hinge assembly.
3. The combined hinge for realizing multiple balance of the oven door according to claim 2, wherein the spring damping type tensioning mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a tensioning spring which are arranged between the short arm and the long arm and are sequentially connected, a first hinge shaft is arranged at a connecting part between the short arm and the first connecting rod, a second hinge shaft is arranged at a connecting part between the first connecting rod and the second connecting rod, a third hinge shaft is arranged at a connecting part between the second connecting rod and the third connecting rod, a limit pin is arranged on the first connecting rod, one end of the tensioning spring is connected with the third connecting rod, and the other end of the tensioning spring is connected with the long arm; the third connecting rod is provided with a first guide positioning groove and a second guide positioning groove which are used for installing the damper, and two ends of the body of the damper are respectively provided with a transverse pin which is connected in the first guide positioning groove and the second guide positioning groove in a sliding manner; the damper is characterized in that a first limiting sliding groove, a second limiting sliding groove, a third limiting sliding groove and a fourth limiting sliding groove are respectively formed in the long arm, a limiting pin is slidably connected into the first limiting sliding groove, a third hinge shaft is slidably connected into the second limiting sliding groove, and two transverse pins at two ends of a body of the damper are respectively slidably connected into the third limiting sliding groove and the fourth limiting sliding groove.
4. The modular hinge for multiple balancing of an oven door according to claim 1, wherein the damper is a hydraulic damper.
5. The combined hinge for realizing multiple balance of the oven door according to claim 3, wherein the spring type tensioning mechanism comprises a first connecting rod, a second connecting rod and a tensioning spring which are arranged between the short arm and the long arm and are sequentially connected, a first hinge shaft is arranged at the connecting part between the short arm and the first connecting rod, a second hinge shaft is arranged at the connecting part between the first connecting rod and the second connecting rod, one end of the tensioning spring is connected with the second connecting rod, and the other end of the tensioning spring is connected with the long arm; the long arm is provided with a first limiting sliding groove and a second limiting sliding groove respectively, the second hinge shaft is connected in the first limiting sliding groove in a sliding mode, a spring connecting pin is arranged at the joint of the second connecting rod and the tensioning spring, and the spring connecting pin is connected in the second limiting sliding groove in a sliding mode.
6. The combination hinge of claim 5, wherein the long arm comprises an outer connecting arm and an inner connecting arm having a symmetrical double-wall plate structure, respectively, and the inner connecting arm is fixedly connected to the inner side of the symmetrical double-wall plate of the outer connecting arm, the first and second limiting sliding grooves are disposed on the symmetrical double-wall plate of the inner connecting arm, and the third and fourth limiting sliding grooves are disposed on the symmetrical double-wall plate of the outer connecting arm.
7. The modular hinge for multi-balancing of an oven door according to claim 3, wherein the first and third connecting rods each have a symmetrical double wall structure, and the body of the damper is disposed in the symmetrical double wall of the third connecting rod.
8. The combined hinge for realizing multiple balance of the oven door as claimed in claim 1, wherein the short arm is provided with a slot and a latch for connecting the oven body.
9. The combined hinge for realizing multiple balance of the oven door as claimed in claim 8, wherein a rotary locking block for facilitating positioning and locking when the short arm is installed is further provided on the short arm near the locking groove and the locking tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340265.4U CN210217461U (en) | 2019-03-18 | 2019-03-18 | Combined hinge for realizing multiple balance of oven door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340265.4U CN210217461U (en) | 2019-03-18 | 2019-03-18 | Combined hinge for realizing multiple balance of oven door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217461U true CN210217461U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920340265.4U Active CN210217461U (en) | 2019-03-18 | 2019-03-18 | Combined hinge for realizing multiple balance of oven door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217461U (en) |
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2019
- 2019-03-18 CN CN201920340265.4U patent/CN210217461U/en active Active
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Address after: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Jiuxing Precision Technology Group Co.,Ltd. Address before: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee before: JIANGSU SACA PRECISION TECHNOLOGY Co.,Ltd. |