Damping hinge for barbecue oven

Abstract

The utility model relates to the technical field of hinges, in particular to a damping hinge for a barbecue oven, which increases the supporting stability of equipment through a supporting structure, reduces the influence of aging of a single-side spring on the normal opening and closing process, enables the opening and closing process to be smoother through a pressing device, and improves the safety of equipment. External impurities entering the hinge lower cover are reduced through a protection structure, and the practicability of the device is improved; comprising a hinge upper cover, a spring ring structure, an opening and closing shaft, a hinge lower cover, a lower cover shaft fixing rod, a hook structure and a connecting lug and further comprises a supporting structure, a pressing structure and a protection structure, the supporting structure is installed in the hinge lower cover, the pressing structure is installed in the hinge upper cover and connected with the supporting structure, and the protection structure is installed on the hinge lower cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hinge, in particular to a kind of damping hinge for barbecue oven. BACKGROUND

[0002] A kind of damping hinge for barbecue oven, its design and function are all to adapt to the special needs of barbecue oven, ensure that the opening and closing of oven cover is stable, safe and durable;This damping hinge is particularly suitable for outdoor barbecue oven, household barbecue oven and other occasions needing frequent opening and closing of oven cover. It not only can improve the use convenience and safety of barbecue oven, but also can prolong the service life of barbecue oven.

[0003] The prior art Chinese invention patent with application number CN201910773683.7 relates to barbecue oven damping hinge, including upper cover shaft pressure rod, upper cover ear, groove, fixed block, hinge spring, spring shaft, lower cover shaft fixed rod and bolt, etc., the upper part of hinge lower cover is connected with hinge upper cover by opening and closing shaft, the two ends of opening and closing shaft are connected with hinge upper cover by a group of spring ring structure, lower cover shaft fixed rod is located in the inner lower part of hinge lower cover, two groups of strip-shaped sliding grooves are respectively arranged on the left and right side surfaces of hinge lower cover, a group of hook structures are respectively arranged on the left and right end surfaces of lower cover shaft fixed rod corresponding to the positions of sliding groove, connecting ears are arranged on hinge upper cover and hinge lower cover, which can avoid the cumbersome link of screws and nuts in traditional hinge, and can greatly save the installation and debugging cost.

[0004] The above-mentioned device provides damping support by adopting double-spring structure, but due to uneven stress and uneven heating of barbecue oven cover opening and closing after long-term use, the aging speed of the two groups of springs is different, and the support force provided by the two groups of springs is too large, which easily causes the opening and closing resistance of the cover to increase, affecting normal use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of damping hinge for barbecue oven, which increases the support stability of equipment by support structure, reduces the influence of unilateral spring aging on normal opening and closing process, makes the opening and closing process more smooth by pressing device, reduces the entry of external impurities into the hinge lower cover by protection structure, improves the practicality of the device.

[0006] The utility model discloses a kind of damping hinges for barbecue oven, including hinge upper cover, spring ring structure, open-close shaft, hinge lower cover, lower cover shaft fixed rod, hook structure and connecting ear, the upper portion of hinge lower cover is connected with hinge upper cover by open-close shaft, the both ends of open-close shaft are connected with hinge upper cover by a group of spring ring structure respectively, lower cover shaft fixed rod is located in lower part in hinge lower cover, two groups of strip-shaped sliding grooves are respectively arranged on the left and right side surfaces of hinge lower cover, a group of hook structures are respectively arranged on the position of the left and right end surfaces of lower cover shaft fixed rod corresponding sliding groove, and connecting ear is arranged on hinge upper cover and hinge lower cover;Including supporting structure, pressing structure and protection structure, supporting structure is installed in hinge lower cover, pressing structure is installed in hinge upper cover and is connected with supporting structure, and protection structure is installed on hinge lower cover;The supporting stability of equipment is increased by supporting structure, the influence caused by unilateral spring aging to normal opening and closing process is reduced, the opening and closing process is more smooth by pressing device, external impurities are reduced into the inside of hinge lower cover by protection structure, and the practicality of device is improved.

[0007] Preferably, the supporting structure includes spring lower seat, spring upper seat, spring and spring limiting rod, three groups of spring lower seats are evenly installed on the upper end surface of lower cover shaft fixed rod, the lower parts of three groups of springs are connected with three groups of spring lower seats respectively, the upper parts of three groups of springs are connected with three groups of spring upper seats, three groups of spring limiting rods are connected with spring upper seat by passing through spring lower seat and spring inside from lower part of lower cover shaft fixed rod, and three groups of spring upper seats are connected with pressing structure;The supporting stability of device is increased by setting three groups of springs, the influence caused by unilateral spring aging to opening and closing process is reduced, the extension process of spring is limited by spring limiting rod, the spring limiting rod is prevented from bending and deforming in the process of compression, and the practicality of device is improved.

[0008] Preferably, the pressing structure includes lifting pressing plate, sliding guide groove, upper cover shaft and protection shaft sleeve, a group of arc-shaped holes are respectively arranged on the left and right end surfaces of hinge upper cover, the both ends of upper cover shaft are located in two groups of arc-shaped holes respectively, two groups of protection shaft sleeves are sleeved on upper cover shaft through bearing, the lower end surface of lifting pressing plate is connected with the upper end surface of three groups of spring upper seats, and sliding guide groove is arranged on the upper end surface of lifting pressing plate;In the opening and closing process of device itself, hinge lower cover rotates around open-close shaft, thereby driving upper cover shaft to rotate in arc-shaped hole on hinge upper cover, further driving protection shaft sleeve to press lifting pressing plate to move downwards, supporting and limiting protection shaft sleeve are provided through sliding guide groove, the lifting process of upper cover shaft is more stable, the abrasion of upper cover shaft main body is reduced through protection shaft sleeve, and the practicality of device is improved.

[0009] Preferably, the protection structure includes sliding limiting grooves, a bottom plate and a cover plate, a group of sliding limiting grooves are arranged on the front part of the left and right end faces of the hinge lower cover respectively, the front part of the upper end face of the bottom plate is vertically provided with the cover plate, and the left and right end faces of the cover plate can be inserted into the two groups of sliding limiting grooves and slide; the hinge lower cover is covered by the cover plate, so that impurities in the air during the barbecue process are prevented from entering the inside of the hinge lower cover, the influence of the normal operation of the structure in the hinge lower cover is reduced, the cover plate is limited by the sliding limiting grooves, the bottom of the upper cover shaft is closed by the bottom plate, and the practicability of the device is improved.

[0010] Preferably, the protection structure includes sliding limiting grooves, a bottom plate and a cover plate, a group of sliding limiting grooves are arranged on the front part of the left and right end faces of the hinge lower cover respectively, the front part of the upper end face of the bottom plate is vertically provided with the cover plate, and the left and right end faces of the cover plate can be inserted into the two groups of sliding limiting grooves and slide; the hinge lower cover is covered by the cover plate, so that impurities in the air during the barbecue process are prevented from entering the inside of the hinge lower cover, the influence of the normal operation of the structure in the hinge lower cover is reduced, the cover plate is limited by the sliding limiting grooves, the bottom of the upper cover shaft is closed by the bottom plate, and the practicability of the device is improved.

[0011] Compared with the prior art, the device has the beneficial effects that: the supporting structure increases the supporting stability of the equipment, reduces the influence of unilateral spring aging on the normal opening and closing process, the pressing device makes the opening and closing process smoother, the protection structure reduces the entry of external impurities into the inside of the hinge lower cover, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a first axonometric structure schematic view of the utility model;

[0013] Figure 2 is a second axonometric structure schematic view of the utility model;

[0014] Figure 3 is an axonometric structure schematic view of the utility model in a state that the hinge upper cover and the hinge lower cover are separated;

[0015] Figure 4 is a cross-sectional structure schematic view of the utility model;

[0016] Figure 5 is a local enlarged structure schematic view of the utility model;

[0017] Markings in the drawings: 1, hinge upper cover; 2, spring ring structure; 3, opening and closing shaft; 4, hinge lower cover; 5, lower cover shaft fixing rod; 6, hook structure; 7, connecting ear; 8, spring lower seat; 9, spring upper seat; 10, spring; 11, spring limiting rod; 12, lifting pressure plate; 13, sliding guide groove; 14, upper cover shaft; 15, protection shaft sleeve; 16, sliding limiting groove; 17, bottom plate; 18, cover plate; 19, nut seat; 20, bolt. DETAILED DESCRIPTION

[0018] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiments

[0019] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 Indicated, the support structure is installed inside the hinge lower cover 4, the pressing structure is installed inside the hinge upper cover 1 and is connected with the support structure, and the protection structure is installed on the hinge lower cover 4;

[0020] First, the hinge lower cover 4 rotates around the opening and closing shaft 3, thereby driving the upper cover shaft 14 to rotate in the arc-shaped hole on the hinge upper cover 1, further driving the protection shaft sleeve 15 to press the lifting pressing plate 12 to move downwards, supporting and limiting the protection shaft sleeve 15 through the sliding guide groove 13, making the lifting process of the upper cover shaft 14 more stable, and supporting the lifting pressing plate 12 and the hinge upper cover 1 through the three groups of springs 10;

[0021] The support structure includes spring lower seat 8, spring upper seat 9, spring 10 and spring limiting rod 11, the upper end surface of the lower cover shaft fixing rod 5 is uniformly provided with three groups of spring lower seat 8, the lower parts of the three groups of springs 10 are connected with the three groups of spring lower seat 8 respectively, the upper parts of the three groups of springs 10 are connected with the three groups of spring upper seat 9, the three groups of spring limiting rods 11 pass through the inside of the spring lower seat 8 and the spring 10 from the lower part of the lower cover shaft fixing rod 5 and are connected with the spring upper seat 9, and the three groups of spring upper seat 9 are connected with the pressing structure;

[0022] The pressing structure includes lifting pressing plate 12, sliding guide groove 13, upper cover shaft 14 and protection shaft sleeve 15, the left and right end surfaces of the hinge upper cover 1 are respectively provided with a group of arc-shaped holes, the two ends of the upper cover shaft 14 are located in the two groups of arc-shaped holes respectively, the upper cover shaft 14 is provided with two groups of protection shaft sleeves 15 through bearing sleeve, the lower end surface of the lifting pressing plate 12 is connected with the upper end surface of the three groups of spring upper seat 9, and the upper end surface of the lifting pressing plate 12 is provided with the sliding guide groove 13;

[0023] The protection structure includes sliding limiting groove 16, bottom plate 17 and cover plate 18, the front parts of the left and right end surfaces in the hinge lower cover 4 are respectively provided with a group of sliding limiting grooves 16, the front part of the upper end surface of the bottom plate 17 is vertically provided with the cover plate 18, and the left and right end surfaces of the cover plate 18 can be inserted into the two groups of sliding limiting grooves 16 and slide;

[0024] The nut seats 19 and the bolts 20 are arranged on the lower cover 4, and a plurality of nut seats 19 are arranged on the left and right end surfaces of the lower cover 4, respectively; the bottom plate 17 is fixed on the lower cover 4 through the plurality of bolts 20 and the nut seats 19;

[0025] The supporting structure increases the supporting stability of the device, reduces the influence of unilateral spring aging on the normal opening and closing process, makes the opening and closing process smoother through the pressing device, reduces the entry of external impurities into the lower cover 4 through the protection structure, and improves the practicability of the device.

[0026] As shown in Figures 1 to 5 The damping hinge for the barbecue oven of the utility model can work as follows: first, the lower cover 4 rotates around the opening and closing shaft 3, thereby driving the upper cover shaft 14 to rotate in the arc-shaped hole on the upper cover 1, further driving the protection shaft sleeve 15 to press the lifting pressure plate 12 to move downwards, providing support and limiting for the protection shaft sleeve 15 through the sliding guide groove 13, making the lifting process of the upper cover shaft 14 more stable, and providing support for the lifting pressure plate 12 and the upper cover 1 of the hinge through the three springs 10.

[0027] The bolt 20 of the damping hinge for the barbecue oven of the utility model is purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0028] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for the ordinary technical personnel in the technical field, a plurality of improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A damping hinge for barbecue oven, comprising a hinge upper cover (1), a spring ring structure (2), an opening and closing shaft (3), a hinge lower cover (4), a lower cover shaft fixing rod (5), a hook structure (6) and a connecting ear (7), the upper part of the hinge lower cover (4) is connected with the hinge upper cover (1) through the opening and closing shaft (3), the two ends of the opening and closing shaft (3) are connected with the hinge upper cover (1) through a group of spring ring structures (2) respectively, the lower cover shaft fixing rod (5) is located in the inner lower part of the hinge lower cover (4), two groups of strip-shaped sliding grooves are respectively arranged on the left and right side surfaces of the hinge lower cover (4), a group of hook structures (6) are respectively arranged on the left and right end surfaces of the lower cover shaft fixing rod (5) corresponding to the positions of the sliding grooves, and the hinge upper cover (1) and the hinge lower cover (4) are both provided with the connecting ear (7); characterized in that, It comprises a supporting structure, a pressing structure and a protection structure, the supporting structure is installed in the hinge lower cover (4), the pressing structure is installed in the hinge upper cover (1) and is connected with the supporting structure, and the protection structure is installed on the hinge lower cover (4).

2. A dampened hinge for a barbecue grill as defined in claim 1, wherein, The supporting structure comprises spring lower seats (8), spring upper seats (9), springs (10) and spring limiting rods (11), the upper end surface of the lower cover shaft fixing rod (5) is uniformly provided with three groups of spring lower seats (8), the lower parts of the three groups of springs (10) are connected with the three groups of spring lower seats (8) respectively, the upper parts of the three groups of springs (10) are connected with the three groups of spring upper seats (9), the three groups of spring limiting rods (11) are connected with the spring upper seats (9) by penetrating the inside of the spring lower seats (8) and the springs (10) from the lower part of the lower cover shaft fixing rod (5), and the three groups of spring upper seats (9) are connected with the pressing structure.

3. A dampened hinge for a barbecue grill as defined in claim 2 wherein, The pressing structure comprises lifting pressure plates (12), sliding guide grooves (13), upper cover shafts (14) and protection shaft sleeves (15), the left and right end surfaces of the hinge upper cover (1) are respectively provided with a group of circular arc holes, the two ends of the upper cover shaft (14) are respectively located in the two groups of circular arc holes, the upper cover shaft (14) is sleeved with the two groups of protection shaft sleeves (15) through bearings, the lower end surface of the lifting pressure plate (12) is connected with the upper end surfaces of the three groups of spring upper seats (9), and the upper end surface of the lifting pressure plate (12) is provided with the sliding guide groove (13).

4. A dampened hinge for a barbecue grill as defined in claim 3 wherein, The protection structure comprises sliding limiting grooves (16), a bottom plate (17) and a cover plate (18), the front parts of the left and right end surfaces in the hinge lower cover (4) are respectively provided with a group of sliding limiting grooves (16), the upper end surface of the bottom plate (17) is vertically provided with the cover plate (18), and the left and right end surfaces of the cover plate (18) can be inserted into the two groups of sliding limiting grooves (16) and slide.

5. A dampened hinge for a barbecue grill as defined in claim 4 wherein, It also comprises nut seats (19) and bolts (20), the left and right end surfaces of the hinge lower cover (4) are respectively provided with a group of nut seats (19) at the lower parts, and the bottom plate (17) is fixed on the hinge lower cover (4) through the multiple groups of bolts (20) and the nut seats (19).

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