Hinge convenient to adjust and oven

The hinge design allows for easy and precise adjustment of spring force in oven hinges, simplifying the process and ensuring optimal door tension and closing speed through a novel structural arrangement with accessible adjustment mechanisms.

CN222228299UActive Publication Date: 2024-12-24ZHONGSHAN WENJIN METAL PROD CO LTD
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Patent Information

Application Number
CN202420954246.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-24
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Existing oven hinges require complex and inconvenient adjustment processes to set the initial force of the spring, affecting the tension and closing speed of the oven door, which is not suitable for different models.

Method used

A hinge design with a shell, connecting member, linkage member, first and second rod members, and a spring, allowing for stepless adjustment of the spring's initial force by rotating an operating portion to adjust the compressed length of the spring, facilitated by a sliding limiting structure and positioning steps, with tool-accessible adjustment points.

Benefits of technology

Enables simple and accurate adjustment of the spring force, ensuring appropriate tension and closing speed for oven doors, facilitating easy assembly, disassembly, and product testing, and allowing consumer adjustments without professional intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hinge convenient to adjust and an oven, the hinge comprises a shell, a connecting piece, a linkage piece, a first rod piece, a second rod piece and a first spring, the shell is provided with a mounting groove, the upper end of the shell is provided with a baffle, the baffle is provided with a through hole, and the through hole is communicated with the mounting groove; one end of the connecting piece is inserted into the mounting groove and rotationally connected with the lower end of the shell; the lower end of the linkage piece is rotationally connected with the connecting piece; the first rod piece is slidably inserted into the through hole and the mounting groove, and the lower end of the first rod piece is rotationally connected with the upper end of the linkage piece; the second rod piece is screwed with the first rod piece; an operation part is arranged at the upper end of the second rod piece; the first spring sleeves the first rod piece and the second rod piece, the lower end of the first spring abuts against the baffle, and the upper end of the first spring abuts against the operation part. According to the hinge provided by the utility model, the tension applied to the box door can be adjusted by adjusting the acting force of the first spring, and the adjustment is convenient and simple.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a conveniently adjustable hinge and an oven. Background Art

[0002] In some household appliances, such as ovens, hinges are usually provided between the oven door and the oven body. Existing hinges usually include a shell, a connector, a spring, a linkage member and a slide bar. The shell is provided with a mounting groove, one end of the connector is rotatably mounted at the lower end of the mounting groove, one end of the linkage member is rotatably connected to the connector, and the other end is connected to the slide bar. The two opposite side walls of the mounting groove are provided with strip holes, and the slide bar can be slidably inserted into the two strip holes. One end of the spring is connected to the slide bar, and the other end is connected to a fixing pin, which is fixed to the shell. One of the shell and the connector is provided on the oven door and the other is connected to the oven body. Therefore, when the oven door needs to be opened, the oven door is pulled open to stretch the spring, and the oven door can be opened. When the oven door needs to be closed, the oven door can be closed under the resetting action of the spring after the oven door is released, or the door can be closed manually. In order to be suitable for different models of ovens, the existing hinges have multiple adjustment holes in the vertical direction on the two opposite walls of the installation slot. The fixing pins can be inserted into any two opposite adjustment holes. The spring is connected to the fixing pins through a hook. When the hinge is assembled to the oven, the fixing pins can be fixed to the corresponding two adjustment holes according to the weight of the oven door, so as to adjust the initial force of the springs, so that the tension applied to the oven door after opening and the speed of closing the oven door are appropriate. However, in the process of adjusting the spring force of the existing hinges, the fixing pins need to be removed, the springs need to be stretched to the desired position, and the fixing pins need to be inserted into the corresponding adjustment holes and the hooks on the springs. The entire adjustment process is not simple and convenient. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a hinge that is easy to adjust, and the adjustment of the acting force of the first spring is more convenient and simple.

[0004] The utility model also provides an oven with the conveniently adjustable hinge.

[0005] The hinge of the first aspect of the utility model is convenient to adjust, comprising a shell, a connecting member, a linkage member, a first rod member, a second rod member and a first spring, the shell being provided with a mounting slot, the upper end of the shell being provided with a baffle, the baffle being provided with a through hole, the through hole being connected to the mounting slot; one end of the connecting member is inserted into the mounting slot and rotatably connected to the lower end of the shell; the lower end of the linkage member is rotatably connected to the connecting member; the first rod member is slidably inserted into the through hole and the mounting slot, the lower end of the first rod member is rotatably connected to the upper end of the linkage member; the lower end of the second rod member is inserted into the upper end of the first rod member or the lower end of the second rod member is sleeved on the upper end of the first rod member, and the second rod member is screwed with the first rod member, and the upper end of the second rod member is provided with an operating portion; the first spring is sleeved on the first rod member and the second rod member, the lower end of the first spring abuts against the baffle, wherein the upper end of the first spring abuts against the operating portion, or the upper end of the second rod member is provided with a limiting portion abutting against the first spring.

[0006] The conveniently adjustable hinge according to the embodiment of the utility model has at least the following beneficial effects: through the above-mentioned arrangement, the hinge can adjust the initial force of the first spring. During the adjustment process, the distance between the baffle and the limiting part or the operating part can be adjusted by rotating the operating part to drive the second rod to rotate, thereby adjusting the compressed length of the first spring, thereby achieving the adjustment of the initial force of the first spring, which is more convenient and simple to adjust, and the initial force of the first spring can be adjusted steplessly, with higher adjustment accuracy.

[0007] According to some embodiments of the present utility model, a sliding limiting structure is provided between the first rod and the housing.

[0008] According to some embodiments of the utility model, the sliding limiting structure includes a limiting sliding rod and strip holes arranged on the opposite side walls of the installation groove, the strip holes are arranged in the up and down directions, the limiting sliding rod can be slidably inserted in the two strip holes, and the lower end of the first rod is rotatably connected to the upper end of the linkage member through the limiting sliding rod.

[0009] According to some embodiments of the utility model, the first rod member includes a connecting tube and a connecting section connected to the connecting tube, the lower end of the second rod member is inserted into the connecting tube and threadedly connected to the connecting tube, the connecting section is inserted into the through hole, the connecting section is rotatably connected to the upper end of the linkage member, and the outer diameter of the connecting tube is larger than the through hole.

[0010] According to some embodiments of the present invention, an operating hole in the shape of a regular hexagon is provided on the upper end surface of the operating portion.

[0011] According to some embodiments of the present invention, the outer contour of the operating portion is a regular polygonal hexagon, or the outer contour of the operating portion is circular and an anti-slip structure is provided on the periphery of the operating portion.

[0012] According to some embodiments of the utility model, a first positioning step is protruding from the side surface of the baffle, the through hole passes through the first positioning step, and the first spring is sleeved on the first positioning step.

[0013] According to some embodiments of the present utility model, a second positioning step is provided at the upper end of the second rod, and the first spring is sleeved on the second positioning step.

[0014] The oven according to the second embodiment of the utility model comprises the above-mentioned conveniently adjustable hinge.

[0015] The oven according to the embodiment of the utility model has at least the following beneficial effects: the above-mentioned hinge can adjust the initial force of the first spring according to the weight of the oven door, so that the tension applied to the oven door after opening and the speed at which the oven door closes are appropriate, and the adjustment process is convenient and simple, and the adjustment accuracy is higher.

[0016] According to some embodiments of the utility model, an oven body and an oven door are included, wherein an installation cavity is provided in the oven door, and an avoidance hole and a tool insertion hole are opened on the outer surface of the oven door, the avoidance hole is communicated with the installation cavity, and the tool insertion hole is communicated with the installation cavity, the outer shell of the hinge is fixedly installed in the installation cavity, the second rod member and the first spring of the hinge are located in the installation cavity, the tool insertion hole is opposite to the operating part, and the connecting member is passed through the avoidance hole and connected to the oven body.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 A schematic diagram of a conveniently adjustable hinge according to an embodiment of the utility model;

[0020] Figure 2 for Figure 1 A cross-sectional view of the conveniently adjustable hinge is shown;

[0021] Figure 3 for Figure 1 An exploded view of the conveniently adjustable hinge is shown;

[0022] Figure 4 The utility model embodiment has Figure 1 Schematic diagram of an oven showing the conveniently adjustable hinges.

[0023] Reference numerals:

[0024] Shell 110, mounting groove 111, baffle 112, through hole 113, strip hole 114, first positioning step 115, connector 120, linkage member 130, first rod 140, connecting tube 141, connecting section 142, second rod 150, operating portion 151, operating hole 152, second positioning step 153, first spring 160, limiting slide bar 170, oven body 200, oven door 300, mounting cavity 310, avoidance hole 320, tool insertion hole 330. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] Reference Figures 1 to 3The hinge convenient for adjustment according to the embodiment of the utility model comprises a housing 110, a connecting member 120, a linkage member 130, a first rod member 140, a second rod member 150 and a first spring 160. The housing 110 is provided with a mounting groove 111. The upper end of the housing 110 is provided with a baffle 112. The baffle 112 is provided with a through hole 113. The through hole 113 is connected to the mounting groove 111. One end of the connecting member 120 is inserted into the mounting groove 111 and is rotatably connected to the lower end of the housing 110. The lower end of the linkage member 130 is rotatably connected to the connecting member 120. The first rod 140 is slidably inserted in the through hole 113 and the mounting groove 111, and the lower end of the first rod 140 is rotatably connected to the upper end of the linkage member 130; the lower end of the second rod 150 is inserted in the upper end of the first rod 140, and the second rod 150 is screwed to the first rod 140, and the upper end of the second rod 150 is provided with an operating portion 151; the first spring 160 is sleeved on the first rod 140 and the second rod 150, and the lower end of the first spring 160 abuts against the baffle 112, wherein the upper end of the first spring 160 abuts against the operating portion 151.

[0030] It should be noted that in some other embodiments, the upper end of the second rod 150 may also be provided with a limiting portion abutting against the first spring 160 . In this case, the upper end of the first spring 160 abuts against the limiting portion but not against the operating portion 151 .

[0031] It should be noted that the second rod 150 and the first rod 140 may also be connected in other ways. For example, in other embodiments, the lower end of the second rod 150 is sleeved on the upper end of the first rod 140, and the second rod 150 and the first rod 140 are screwed together.

[0032] Through the above arrangement, the hinge can adjust the initial force of the first spring 160. During the adjustment process, the distance between the baffle 112 and the limiting portion or the operating portion 151 can be adjusted by rotating the operating portion 151 to drive the second rod 150 to rotate, thereby adjusting the compressed length of the first spring 160, thereby adjusting the initial force of the first spring 160. The adjustment is more convenient and simple, and the initial force of the first spring 160 can be adjusted steplessly. The adjustment accuracy is higher, which can better meet the needs of different models of ovens. In addition, the first spring 160 is also more convenient to disassemble and assemble.

[0033] The hinge provided by the utility model is also convenient for product development and testing. During the product development and testing process, the initial force of the first spring 160 can be easily adjusted, and different types of first springs 160 can be easily replaced for testing.

[0034] Reference Figures 1 to 3According to some embodiments of the present invention, a sliding limit structure is provided between the first rod 140 and the housing 110 to limit the range of the first rod 140 sliding up and down.

[0035] Reference Figures 1 to 3 According to some embodiments of the utility model, the sliding limit structure includes a limit slide bar 170 and bar holes 114 arranged on opposite side walls of the installation groove 111. The bar holes 114 are arranged in the up-down direction. The limit slide bar 170 is slidably inserted into the two bar holes 114. The lower end of the first rod 140 is rotatably connected to the upper end of the linkage member 130 through the limit slide bar 170. Therefore, through the cooperation between the limit slide bar 170 and the two bar holes 114, the range of the up-down sliding of the first rod 140 can be limited. In addition, the first rod 140 can also be guided.

[0036] In a specific implementation process, the limiting sliding rod 170 can be configured as a rivet structure or a bolt connection structure.

[0037] It is conceivable that the above-mentioned sliding limit structure can also be arranged in other ways. For example, a limit column is protruded from the side wall of the installation groove 111, a limit slot is opened on the first rod 140, and the limit column is inserted into the limit slot.

[0038] Reference Figures 1 to 3 According to some embodiments of the present invention, the first rod 140 includes a connecting tube 141 and a connecting section 142 connected to the connecting tube 141, the lower end of the second rod 150 is inserted into the connecting tube 141 and screwed with the connecting tube 141, the connecting section 142 is inserted into the through hole 113, and the connecting section 142 is rotatably connected to the upper end of the linkage member 130, wherein the outer diameter of the connecting tube 141 is larger than the through hole 113, thereby, the connecting tube 141 can cooperate with the baffle 112 to form a limiting effect, and during the hinge assembly process, the first rod 140 can be limited to be fully inserted into the mounting groove 111.

[0039] Reference Figure 1 According to some embodiments of the present invention, the upper end surface of the operating portion 151 is provided with an operating hole 152 in a regular hexagonal shape. Therefore, when the operating portion 151 needs to be rotated, a tool such as an L-shaped hexagonal wrench or a hexagonal screwdriver can be inserted into the operating hole 152, and then the operating portion 151 can be driven to rotate by rotating the tool.

[0040] According to some embodiments of the present invention, the outer contour of the operating portion 151 is a regular polyhexagon, or the outer contour of the operating portion 151 is circular and an anti-slip structure is provided on the outer periphery of the operating portion 151. With the above configuration, people can also directly rotate the operating portion 151 by hand.

[0041] Reference Figures 1 to 3According to some embodiments of the utility model, a first positioning step 115 is protruding from the upper side of the baffle 112, and the through hole 113 passes through the first positioning step 115. The first spring 160 is sleeved on the first positioning step 115, thereby limiting the radial shaking of the lower end of the first spring 160.

[0042] Reference Figures 1 to 3 According to some embodiments of the utility model, a second positioning step 153 is provided at the upper end of the second rod 150, and the first spring 160 is sleeved on the second positioning step 153. Through the above arrangement, the radial shaking of the upper end of the first spring 160 can be limited, thereby reducing the abnormal noise generated during the compression process of the first spring 160.

[0043] Reference Figure 4 According to the second embodiment of the utility model, the oven comprises the above-mentioned conveniently adjustable hinge. The above-mentioned hinge can adjust the initial force of the first spring 160 according to the weight of the door 300, so that the tension on the door 300 after opening and the closing speed of the door 300 are appropriate, and the adjustment process is convenient and simple, and the adjustment accuracy is higher.

[0044] Reference Figure 4 According to some embodiments of the utility model, an oven body 200 and a door 300 are included, wherein an installation cavity 310 is arranged in the door 300, and an avoidance hole 320 and a tool insertion hole 330 are opened on the outer surface of the door 300, the avoidance hole 320 is communicated with the installation cavity 310, and the tool insertion hole 330 is communicated with the installation cavity 310, the housing 110 of the hinge is fixedly installed in the installation cavity 310, the second rod 150 and the first spring 160 of the hinge are located in the installation cavity 310, the connecting member 120 is passed through the avoidance hole 320 and connected to the oven body 200, and the tool insertion hole 330 is opposite to the operating part 151, so that the tool inserted from the tool insertion hole 330 can touch the operating part 151 to drive the operating part 151 to rotate.

[0045] With the above arrangement, when the oven is testing the finished product and the door 300 is opened and closed, if it is found that the tension on the door 300 is too small or too large, there is no need to disassemble the hinge. It is only necessary to insert a screwdriver, L-shaped wrench or other tools from the tool insertion hole 330 to drive the operating part 151 to drive the second rod 150 to rotate, and the hinge can be adjusted, which is convenient for the oven to test the finished product. In addition, after the consumer purchases the oven, if it is found that the door 300 is subjected to a large tension, or the tension of the hinge is reduced after opening and closing the door 300 many times, there is no need for professionals to disassemble the door 300 and the hinge. The consumer only needs to insert a screwdriver, L-shaped wrench or other tools from the tool insertion hole 330 to drive the operating part 151 to drive the second rod 150 to rotate, and the hinge can be adjusted.

[0046] In the specific implementation process, the tool insertion hole 330 is opposite to the tool operation hole on the operating part 151, and tools such as a hexagonal screwdriver and an L-shaped hexagonal wrench inserted from the tool insertion hole 330 can be inserted into the tool operation hole to drive the operating part 151 to rotate.

[0047] In other embodiments, people may also use tools to clamp or cover the operating portion 151, or drive the operating portion 151 to rotate.

[0048] In a specific implementation process, the tool insertion hole 330 is detachably provided with a plug or detachably covered with a shielding member. When a tool does not need to be inserted into the tool insertion hole 330 , the tool insertion hole 330 can be sealed by the plug or the cover.

[0049] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The embodiment is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. A hinge that is easily adjustable, characterized in that: include: The housing (110) is provided with a mounting groove (111), and a baffle (112) is provided at the upper end of the housing (110), wherein the baffle (112) is provided with a through hole (113), and the through hole (113) is communicated with the mounting groove (111); A connecting member (120), one end of which is inserted into the mounting groove (111) and rotatably connected to the lower end of the housing (110); A linkage member (130), the lower end of which is rotatably connected to the connecting member (120); A first rod (140), the first rod (140) being slidably inserted into the through hole (113) and the mounting groove (111), and the lower end of the first rod (140) being rotatably connected to the upper end of the linkage member (130); a second rod (150), wherein the lower end of the second rod (150) is inserted into the upper end of the first rod (140) or the lower end of the second rod (150) is sleeved on the upper end of the first rod (140), and the second rod (150) is screwed to the first rod (140), and an operating portion (151) is provided at the upper end of the second rod (150); A first spring (160) is sleeved on the first rod (140) and the second rod (150), wherein the lower end of the first spring (160) abuts against the baffle (112), wherein the upper end of the first spring (160) abuts against the operating portion (151), or the upper end of the second rod (150) is provided with a limiting portion abutting against the first spring (160).

2. The conveniently adjustable hinge according to claim 1, characterized in that: A sliding limiting structure is provided between the first rod (140) and the housing (110).

3. The conveniently adjustable hinge according to claim 2, characterized in that: The sliding limiting structure comprises a limiting sliding rod (170) and strip holes (114) arranged on two opposite side walls of the mounting groove (111), wherein the strip holes (114) are arranged in the up-down direction, and the limiting sliding rod (170) can be slidably inserted into the two strip holes (114), and the lower end of the first rod (140) is rotatably connected to the upper end of the linkage member (130) through the limiting sliding rod (170).

4. The conveniently adjustable hinge according to claim 1, characterized in that: The first rod (140) comprises a connecting tube (141) and a connecting section (142) connected to the connecting tube (141); the lower end of the second rod (150) is inserted into the connecting tube (141) and is threadedly connected to the connecting tube (141); the connecting section (142) is inserted into the through hole (113); the connecting section (142) is rotatably connected to the upper end of the linkage member (130); and the outer diameter of the connecting tube (141) is larger than the through hole (113).

5. The conveniently adjustable hinge according to claim 1, characterized in that: The upper end surface of the operating portion (151) is provided with an operating hole (152) in the form of a regular hexagon.

6. The conveniently adjustable hinge according to claim 1, characterized in that: The outer contour of the operating portion (151) is a regular polygonal hexagon, or the outer contour of the operating portion (151) is circular and an anti-slip structure is provided on the outer periphery of the operating portion (151).

7. The conveniently adjustable hinge according to claim 1, characterized in that: A first positioning step (115) is protrudingly provided on the upper side of the baffle (112), the through hole (113) passes through the first positioning step (115), and the first spring (160) is sleeved on the first positioning step (115).

8. The conveniently adjustable hinge according to claim 7, characterized in that: A second positioning step (153) is provided at the upper end of the second rod (150), and the first spring (160) is sleeved on the second positioning step (153).

9. An oven, characterized in that: Comprising at least one conveniently adjustable hinge as claimed in any one of claims 1 to 8.

10. The oven according to claim 9, characterized in that: The invention comprises an oven body (200) and a door (300), wherein an installation cavity (310) is arranged in the door (300), an avoidance hole (320) and a tool insertion hole (330) are opened on the outer surface of the door (300), the avoidance hole (320) is communicated with the installation cavity (310), and the tool insertion hole (330) is communicated with the installation cavity (310), the housing (110) of the hinge is fixedly installed in the installation cavity (310), the second rod (150) and the first spring (160) of the hinge are located in the installation cavity (310), the tool insertion hole (330) is opposite to the operating part (151), and the connecting member (120) is passed through the avoidance hole (320) and connected to the oven body (200).