Oven hinge with switch damping effect

Abstract

The utility model provides an oven hinge with a switch damping effect, which comprises a fixed seat and a swinging arm, a transmission component is connected between the swinging arm and the fixed seat, the transmission component is connected with a closing assisting component, and a bidirectional damping buffering component is connected between the transmission component and the closing assisting component. The bidirectional damping buffering assembly comprises a damping cover, a damper, a fixed seat, a transmission assembly and a closing assisting assembly, a swing arm drives the transmission assembly along with opening and closing, meanwhile, an assisting spring of the closing assisting assembly is linked to elastically act on the fixed seat, and the damping cover moves front and back relative to the fixed seat to start the damper to act. The structure is stable, assembling is easy, compressive strength is high, transmission is stable, the bidirectional damping effect is achieved, and the use quality of products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, specifically a kind of oven hinge with switch damping effect. BACKGROUND

[0002] The existing hinge is widely used in furniture, appliance, especially oven, the hinge is hinged between the door body and the box body of oven, the existing hinge, its structure generally includes swing arm installed on door body, fixed seat installed in box body and transmission assembly hinged between swing arm and fixed seat, transmission assembly is installed with spring assembly, using the tension or elastic force of spring assembly, realize door body opening and closing.

[0003] However, the hinge of the above structure has the following deficiencies in practical application:

[0004] 1) The assembly structure of existing hinge is complex, and the manufacturing cost is high, especially in the hinge with large load, the fixed seat is easily deformed under stress, which reduces the service life of product.

[0005] 2) The existing hinge, under the condition of large load, when opening and closing, the door body will be quickly operated due to insufficient spring tension or excessive spring restoring force, which causes loud impact sound between door body and box body, reduces the transmission stability, even damages the transmission assembly, and reduces the service life of product.

[0006] 3) The existing hinge, under the condition of large load, it is difficult to realize hovering when opening and closing, which limits the use and reduces the use experience. INVENTION CONTENTS

[0007] The present application aims to overcome the deficiencies of the prior art and provide an oven hinge with switch damping effect, which is stable in structure, easy to assemble, high in compression strength, stable in transmission, has bidirectional damping effect and ensures the use quality of product.

[0008] The utility model discloses a kind of oven hinges with switch damping effect, including the fixed seat of installation in cabinet and the swing arm installed on door body, the swing arm is connected with fixed seat by main shaft adaptation hinge, and transmission assembly is connected between the swing arm and fixed seat for swing arm relative fixed seat opening and closing, transmission assembly is connected with closure power component, and bidirectional damping buffer component is connected between transmission assembly and closure power component, the bidirectional damping buffer component includes damper cover, damper, the damper cover is placed in fixed seat, simultaneously the front end of damper cover is connected with the connecting end of transmission assembly, the rear end of damper cover is connected with the front end of closure power component, the rear end of closure power component passes through fixed seat and extends outward, the fixed seat is slidably connected with front sliding shaft and rear sliding shaft, the damper is placed in damper cover and the cylinder and push rod of damper are connected on rear sliding shaft and front sliding shaft respectively, the swing arm drives transmission assembly while linkage closure power component's power spring elastic action in fixed seat with opening and closing, to make damper cover move back and forth relative fixed seat to start damper action.

[0009] According to the above optimization, the transmission assembly includes a linkage rod, a damping link, and a linkage frame. The linkage frame is installed in the fixed seat and is hingedly connected to the connecting end of the swing arm through the main shaft. The front end of the linkage rod is hingedly connected to the swing end of the swing arm, and the rear end of the linkage rod is hingedly connected to the front end of the damping link. The rear end of the damping link is hingedly connected to the front end of the damper cover through a connecting shaft.

[0010] According to the above optimization, the linkage rod is provided with a rolling shaft, and the linkage frame is provided with a special-shaped groove for sliding the rolling shaft while realizing the opening and closing and hovering of the swing arm.

[0011] According to the above optimization, the fixed seat is provided with a connecting groove for linear forward and backward sliding of the connecting shaft.

[0012] According to the above optimization, the damper cover is provided with a front sliding groove and a rear sliding groove on both sides for linear forward and backward sliding connection of the front sliding shaft and the rear sliding shaft, respectively. The fixed seat is provided with a front limiting groove and a rear limiting groove on both sides corresponding to the front sliding groove and the rear sliding groove for limiting the sliding position of the front sliding shaft.

[0013] According to the above optimization, the closure power component includes a power spring and a power link. The front end of the power link is hingedly connected to the damper cover, and the rear end of the power link extends outward through the fixed seat. The power spring is sleeved on the power link, and the front elastic end of the power spring is elastically connected to the outside of the rear end of the fixed seat. The rear elastic end of the power spring is elastically connected to the rear end of the power link.

[0014] According to the optimization, the rear end of the fixed seat is provided with a rear side plate which is integrally folded and formed, the rear side plate is provided with a through hole for the power-assisted connecting rod to pass through and move forward and backward, and the rear side plate is elastically connected with the power spring.

[0015] The utility model discloses the advantages are in:

[0016] 1) the hinge of this structure, through the structure cooperation of transmission assembly and switch damping slow assembly, during opening and closing, when the damping cover moves forward and backward relative to the fixed seat, the damping cover contacts the front sliding shaft or the rear sliding shaft, and then pushes the damper to move to the corresponding position, and the push rod or cylinder body of the damper is correspondingly pressed against the fixed seat, so that the damper compression action is realized, thereby generating damping force and conveying the damping force to the swing arm of the hinge through the transmission assembly, realizing the damping effect of opening and closing the door, reducing noise generation, and ensuring product use quality.

[0017] 2) cooperate the structure of fixed seat and closing power-assisted assembly, increase the contact surface of the power spring of closing power-assisted assembly, improve the structural connection stability, reduce the deformation probability of power spring walking position in large load operation, and ensure the use quality of product.

[0018] 3) the structure cooperation of the rolling shaft of transmission assembly and special-shaped groove, when the door body is opened, the fixed seat is in a balanced state with the load of the door body under the elastic action of the power spring, realizing arbitrary hovering of the door body, and the door body and the box body can not interfere with each other, wide-angle opening, convenient to use, when closing the door, the door body realizes automatic closing under the tension of the power spring, and the transmission stability is high, and the closing tightness can be further strengthened, which is reliable and practical. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHED Fig. 1 It is the structure schematic view of the preferred embodiment of the utility model.

[0020] ATTACHED Fig. 2 It is the partial sectional view of the preferred embodiment of the utility model.

[0021] ATTACHED Fig. 3 It is the sectional view of the preferred embodiment of the utility model.

[0022] ATTACHED Fig. 4 It is the exploded view of the preferred embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings.

[0024] According to the attached Figs. 1 to 4As shown in the figure, the oven hinge with switch damping effect of the utility model, its including installation in the fixed seat 1 of cabinet body and installation on the swing arm 2 of door body, swing arm 2 and fixed seat 1 through main shaft 8 adaptation hinge, and swing arm 2 and fixed seat 1 between connection have transmission assembly 3 for swing arm 2 relative fixed seat 1 open and close, transmission assembly 3 be connected with the closing power assembly 4. Wherein, the transmission assembly 3 and the closing power assembly 4 between connection have bidirectional damping buffer assembly 5. The bidirectional damping buffer assembly 5 includes damper cover 51, damper 52, the damper cover 51 is placed in fixed seat 1, and simultaneously the front end of damper cover 51 is connected with the connecting end of transmission assembly 3, the rear end of damper cover 51 is connected with the front end of closing power assembly 4, and the rear end of closing power assembly 4 passes through fixed seat 1 and extends outward. The fixed seat 1 is slidably connected with front sliding shaft 6 and rear sliding shaft 7, the damper 52 is placed in the damper cover 51, and the cylinder and push rod of the damper 52 are connected to the rear sliding shaft 7 and the front sliding shaft 6 respectively, the swing arm 2 drives the transmission assembly 3 while opening and closing, and the closing power spring 41 of the closing power assembly 4 is elastically acted on the fixed seat 1, so that the damper cover 51 moves forward and backward relative to the fixed seat 1 to start the damper 52 action.

[0025] During opening and closing, the swing arm 2 swings with the door body, and when the damper cover 51 moves forward and backward relative to the fixed seat 1 by the driving of the transmission assembly 3, the damper cover 51 contacts the front sliding shaft 6 or the rear sliding shaft 7, thereby pushing the damper 52 to move to the corresponding position, so that the push rod or the cylinder of the damper 52 is correspondingly abutted against the fixed seat 1, the damper 52 is compressed to act, thereby generating damping force and transmitting the damping force to the swing arm 2 of the hinge through the transmission assembly 3, achieving the damping effect of opening and closing the door, reducing noise, and ensuring the quality of product use.

[0026] Referring to Figs. 1 to 4 As shown in the figure, further refinement, the two sides of the damper cover 51 are respectively provided with front sliding grooves 53 and rear sliding grooves 54 for linear forward and backward sliding connection of the front sliding shaft 6 and the rear sliding shaft 7, and the two sides of the fixed seat 1 are respectively provided with front limiting grooves 12 and rear limiting grooves 13 corresponding to the front sliding grooves 53 and the rear sliding grooves 54 for limiting the sliding position of the front sliding shaft 6.

[0027] In the structural cooperation of the front sliding shaft 6, the rear sliding shaft 7, the corresponding front sliding grooves 53, the rear sliding grooves 54, the front limiting grooves 12 and the rear limiting grooves 13, when the damping opening and closing angle is not reached, the damper 52 is compressed at a fixed position relative to the fixed seat 1 by the front sliding shaft 6 and the rear sliding shaft 7. When the damping opening and closing angle is reached, the damper cover 51 can be smoothly moved forward and backward by the driving of the transmission assembly 3, the damper 52 is actuated, the transmission stability is high, and the damping quality is ensured.

[0028] Referring to Figs. 1 to 4As shown, further refinement, the transmission assembly 3 includes the linkage 31, damping link 32, linkage frame 33, the linkage frame 33 is installed in the fixed seat 1 and is hinged to the connecting end of the swing arm 2 through the main shaft 8, the front end of the linkage 31 is hinged to the swing end of the swing arm 2, the rear end of the linkage 31 is hinged to the front end of the damping link 32, and the rear end of the damping link 32 is hinged to the front end of the damping cover 51 through the connecting shaft 9.

[0029] Wherein, the linkage 31 is provided with a rolling shaft 10, the linkage frame 33 is provided with a special-shaped groove 34 for sliding of the rolling shaft 10, and the special-shaped groove 34 is used for opening and closing and hovering of the swing arm 2. The fixed seat 1 is provided with a connecting groove 11 for linear forward and backward sliding of the connecting shaft 9.

[0030] Moreover, the closing force assisting assembly 4 includes a force assisting spring 41 and a force assisting linkage 42. The front end of the force assisting linkage 42 is hinged to the damping cover 51, the rear end of the force assisting linkage 42 passes through the fixed seat 1 and extends outward, the force assisting spring 41 is sleeved on the force assisting linkage 42, and the front elastic end of the force assisting spring 41 is elastically connected to the outside of the rear end of the fixed seat 1, and the rear elastic end of the force assisting spring 41 is elastically connected to the rear end of the force assisting linkage 42.

[0031] That is, when the door body is opened, the rolling shaft 10 rolls on the top contact point of the special-shaped groove 34, the linkage 31 and the damping link 32 are unfolded outward, the fixed seat 1 is in a balanced state with the load of the door body under the elastic action of the force assisting spring 41, the door body is arbitrarily hovered, the door body and the cabinet do not interfere with each other during operation, and wide-angle opening can be achieved, which is convenient to use. When the door is closed, the door body is pulled by the force of the force assisting spring 41, the rolling shaft 10 rolls on the low contact point of the special-shaped groove 34, the linkage 31 and the damping link 32 are folded inward, and the door body is automatically closed, the transmission stability is high, the closing tightness is strengthened, and the product is reliable and practical.

[0032] Referring to Figs. 1 to 4 As shown, further refinement, the rear end of the fixed seat 1 is provided with a rear side plate 14 which is integrally folded and formed, the rear side plate 14 is provided with a through hole for passing through the force assisting linkage 42 and moving forward and backward, and the rear side plate 14 is elastically connected with the force assisting spring 41.

[0033] By matching the structure of the fixed seat 1 and the closing force assisting assembly 4, the structure is simple, the contact surface of the force assisting spring 41 of the closing force assisting assembly 4 is increased, the structural connection stability is improved, the deformation probability of the force assisting spring 41 in the large load operation is reduced, and the use quality of the product is ensured.

[0034] The above specific embodiments are only specific embodiments of the utility model with good effects, and any structure identical or equivalent to the utility model with opening and closing damping effect is within the protection scope of the utility model.

Claims

1. An oven hinge with switch damping effect, comprising a fixed seat (1) mounted on a cabinet body and a swing arm (2) mounted on a door body, the swing arm (2) is adapted to be hingedly connected with the fixed seat (1) through a main shaft (8), and a transmission assembly (3) for opening and closing of the swing arm (2) relative to the fixed seat (1) is connected between the swing arm (2) and the fixed seat (1), and a closing assisting assembly (4) is connected with the transmission assembly (3), characterized in that: The transmission assembly (3) is connected with the closing force assisting assembly (4) through a bidirectional damping buffer assembly (5), the bidirectional damping buffer assembly (5) comprises a damping cover (51) and a damper (52), the damping cover (51) is arranged in the fixed seat (1), the front end of the damping cover (51) is connected with the connecting end of the transmission assembly (3), the rear end of the damping cover (51) is connected with the front end of the closing force assisting assembly (4), the rear end of the closing force assisting assembly (4) penetrates through the fixed seat (1) and extends outward, the fixed seat (1) is slidably connected with a front sliding shaft (6) and a rear sliding shaft (7), the damper (52) is arranged in the damping cover (51), and the cylinder and the push rod of the damper (52) are connected with the rear sliding shaft (7) and the front sliding shaft (6) respectively, the swing arm (2) drives the transmission assembly (3) to move when the swing arm (2) is opened and closed, the elastic force of the force assisting spring (41) of the closing force assisting assembly (4) is applied to the fixed seat (1) to drive the damping cover (51) to move forward and backward relative to the fixed seat (1) so that the damper (52) is started.

2. The oven hinge having a switching damping effect according to claim 1, characterized in that: The transmission assembly (3) comprises a linkage rod (31), a damping linkage rod (32) and a linkage frame (33), the linkage frame (33) is arranged in the fixed seat (1) and is hingedly connected with the connecting end of the swing arm (2) through a main shaft (8), the front end of the linkage rod (31) is hingedly connected with the swing end of the swing arm (2), and the rear end of the linkage rod (31) is hingedly connected with the front end of the damping linkage rod (32), and the rear end of the damping linkage rod (32) is hingedly connected with the front end of the damping cover (51) through a connecting shaft (9).

3. The oven hinge with a switching damping effect according to claim 2, characterized in that: The linkage rod (31) is provided with a rolling shaft (10), and the linkage frame (33) is provided with a special-shaped groove (34) for sliding of the rolling shaft (10) and for realizing opening and closing and hovering of the swing arm (2).

4. The oven hinge with a switching damping effect according to claim 2, characterized in that: The fixed seat (1) is provided with a connecting groove (11) for linear forward and backward sliding of the connecting shaft (9).

5. The oven hinge with a switching damping effect according to claim 1, characterized in that: The damping cover (51) is provided with a front sliding groove (53) and a rear sliding groove (54) on both sides thereof for linear forward and backward sliding connection of the front sliding shaft (6) and the rear sliding shaft (7), and the fixed seat (1) is provided with a front limiting groove (12) and a rear limiting groove (13) on both sides thereof and corresponding to the front sliding groove (53) and the rear sliding groove (54) for limiting sliding position of the front sliding shaft (6).

6. The oven hinge with a switching damping effect according to claim 1, characterized in that: The closing force assisting assembly (4) comprises a force assisting spring (41) and a force assisting linkage rod (42), the front end of the force assisting linkage rod (42) is hingedly connected with the damping cover (51), the rear end of the force assisting linkage rod (42) penetrates through the fixed seat (1) and extends outward, the force assisting spring (41) is sleeved on the force assisting linkage rod (42), the front elastic end of the force assisting spring (41) is elastically connected with the rear end of the fixed seat (1), and the rear elastic end of the force assisting spring (41) is elastically connected with the rear end of the force assisting linkage rod (42).

7. The oven hinge with a switching damping effect according to claim 6, characterized in that: The rear end of the fixed seat (1) is provided with a rear side plate (14) which is integrally folded and formed, the rear side plate (14) is provided with a through hole for passing and moving of the force assisting linkage rod (42), and the rear side plate (14) is elastically connected with the force assisting spring (41).

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