Hinge structure of cabinet door
By introducing an adjustment seat structure and an adjustment damping structure into the cabinet door hinge, combined with a torsion spring and a bushing, the problems of unevenness and abnormal noise when the cabinet door hinge is twisted are solved, resulting in a longer service life and greater stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-04-10
AI Technical Summary
Existing cabinet door hinges are prone to producing unevenness and abnormal noise when twisting, and are also prone to sagging, affecting the stability and smoothness of use.
It adopts an adjustable seat structure, an adjustable damping structure, and a hinge bracket, combined with a torsion spring and a bushing. The damping operation and torsion buffering are achieved by adjusting the damper and the buffer spring, which increases the service life and stability of the damper.
It improves the service life and application range of cabinet door hinges, solves the problems of unevenness and abnormal noise when twisting, and enhances the stability and smoothness of use.
Smart Images

Figure CN224107114U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hinge technical field, concretely relates to a cabinet door hinge structure. BACKGROUND
[0002] The cabinet door needs corresponding hinge to connect when assembling, the hinge is used for connecting two fixed bodies and allowing the relative rotation between the two, the hinge of prior art is composed by connecting rod, pull rod, front and rear base and spring, is rotatably connected with the front base through the pull rod, and realizes the reciprocating action of the pull rod through the spring, but the spring will not be smooth when twisting, and also easy to produce abnormal sound, thereby influence the use stability, and its also easy to cause the drooping condition, influence the use fluency, and the applicability is limited. SUMMARY
[0003] The utility model discloses a cabinet door hinge structure with reasonable structure and stable use.
[0004] The technical scheme of the utility model is a cabinet door hinge structure, which comprises a hinge seat fixed on a door plate by screws, and a side plate base fixed on a side plate of a cabinet body.
[0005] An adjusting seat structure is arranged on the side plate base, and an adjusting damping structure and a hinge support are arranged on the adjusting seat structure.
[0006] An end of the hinge support is rotatably connected with a push piece through a supporting shaft, and a connecting block and a U-shaped connecting shaft are arranged on the hinge seat.
[0007] The U-shaped connecting shaft is arranged in the side wall of the hinge seat and rotatably connected at both ends to the push piece and the connecting block.
[0008] An end of the adjusting damping structure is rotatably connected to the supporting shaft.
[0009] A transmission piece is arranged between the connecting block and the hinge support, one end of the transmission piece is rotatably connected to the hinge support through a shaft rod, the other end is attached to the connecting block and connected to the U-shaped connecting shaft.
[0010] A torsion spring is sleeved on the shaft rod, a stop shaft is arranged on the push piece, the stop shaft is above the supporting shaft, and the end rod of the torsion spring is positioned on the bottom surface of the hinge support and the stop shaft.
[0011] Further preferably, the adjusting seat structure comprises an adjusting support seat and an adjusting support arranged on the adjusting support seat.
[0012] A strip-shaped groove is arranged on the side plate base, a positioning pin is arranged on the adjusting support seat, and the positioning pin is in the strip-shaped groove.
[0013] The adjusting support is provided with an adjusting through slot, the adjusting support base is provided with a screw rod, and the screw rod is arranged through the adjusting through slot.
[0014] The end of the hinge support away from the support shaft is connected to the adjusting support through a movable shaft body.
[0015] Further preferably, the adjusting damping structure comprises a C-shaped adjusting seat, a damping fixing seat, a damper and a damping adjusting piece.
[0016] The C-shaped adjusting seat is located at the top surface of the adjusting support, and symmetrical side edges of the C-shaped adjusting seat are provided with translation grooves.
[0017] Symmetrical side surfaces of the damping fixing seat are provided with translation strip-shaped protrusions matched with the translation grooves.
[0018] The damping fixing seat is located in the C-shaped adjusting seat, the translation strip-shaped protrusions are translationally arranged in the translation grooves, and the support shaft is connected to the end bottom surface of the damping fixing seat.
[0019] The damper is located in the C-shaped adjusting seat and connected to the damping fixing seat through the damping adjusting piece at one end.
[0020] Further preferably, a buffer spring is arranged between the damper and the inner wall of the recessed area of the C-shaped adjusting seat.
[0021] Further preferably, a shaft sleeve is sleeved on the abutting shaft.
[0022] The end rod of the torsion spring abuts on the shaft sleeve.
[0023] Further preferably, an installation positioning piece is arranged at the end of the adjusting support close to the hinge seat.
[0024] Further preferably, protective covers are arranged on the hinge seat and the side plate base.
[0025] Further preferably, the adjusting through slot comprises left-right adjusting grooves for adjusting the left-right direction and front-rear adjusting grooves for adjusting the front-rear direction.
[0026] Further preferably, the depth of the recessed area of the C-shaped adjusting seat is matched with the height of the damper.
[0027] The utility model discloses a positive effect has: the utility model discloses reasonable structure setting, it includes adjusting seat structure, and adjusting seat structure is provided with adjusting damping structure and hinge support, not only can realize damping operation, and also can adjust according to need, can satisfy the demand of different buffer damping, be favorable to improve the service life of adjusting damping structure, also can effectively satisfy the problem of too slow damping caused by door weight too big, improve its scope of application;
[0028] Meanwhile, the torsion spring is sleeved on the shaft rod, and the shaft sleeve is arranged on the abutting shaft, effectively solving the problem of not smooth and abnormal sound generated when the torsion spring twists, improving the service life and effectiveness;
[0029] And, adjusting damping structure includes C-shaped adjusting seat, damping fixed seat, damper, buffer spring and damping adjusting piece, its increase buffer spring can effectively reduce the pressure of damper, improve the use stability and service life of damper. BRIEF DESCRIPTION OF DRAWINGS
[0030] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:
[0031] Figure 1 It is the structure schematic drawing when the utility model is in opening;
[0032] Figure 2 It is the structure schematic drawing when the utility model is in closing;
[0033] Figure 3 It is the side view structure drawing when the utility model removes the protective cover;
[0034] Figure 4 It is the split structure schematic drawing of the utility model;
[0035] Figure 5 It is the specific structure schematic drawing of adjusting damping structure and torsion spring in the utility model;
[0036] Figure 6 It is the specific structure schematic drawing of damping fixed seat in the utility model;
[0037] Figure 7 It is the structure schematic drawing of adjusting seat structure and adjusting damping structure in the utility model.
[0038] Reference numerals: Door panel 1, Hinge seat 2, Cabinet side panel 3, Side panel base 4, Adjustment seat structure 5, Adjustment support seat 51, Adjustment bracket 52, Adjustment damping structure 6, C-shaped adjustment seat 61, Damping fixing seat 62, Damper 63, Buffer spring 64, Damping adjustment component 65, Translation groove 66, Translation strip protrusion 67, Hinge bracket 7, Support shaft 8, Paddle 9, Connecting block 10, U-shaped connecting shaft 11, Transmission plate 12, Shaft rod 13, Torsion spring 14, Abutment shaft 15, Strip groove 16, Positioning pin 17, Adjustment through groove 18, Screw 19, Movable shaft 20, Bushing 21, Mounting positioning component 22, Protective cover 23. Detailed Implementation
[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0040] See Figures 1 to 7 As shown, a cabinet door hinge structure includes a hinge seat 2 fixed to the door panel 1 by screws and a side panel base 4 fixed to the cabinet side panel 3. In this embodiment, the above structures are all conventional structures of the prior art, and are simply applied, so they are not described in detail.
[0041] In this embodiment, an adjustment seat structure 5 is provided on the side plate base, and the adjustment seat structure is provided with an adjustment damping structure 6 and a hinge bracket 7; and the end of the hinge bracket is rotatably connected to a paddle 9 via a support shaft 8, and the hinge seat is provided with a connecting block 10 and a U-shaped connecting shaft 11; during assembly, the U-shaped connecting shaft passes through the side wall of the hinge seat and its two ends are rotatably connected to the paddle and the connecting block respectively; that is, the U-shaped connecting shaft is used to connect the hinge seat, the paddle and the connecting block, which not only realizes the connection of the three but also ensures the rotation effectiveness of the paddle and the connecting block; in practical applications, the U-shaped connecting shaft can be replaced by other conventional shafts.
[0042] Moreover, the end of the adjusting damping structure is rotatably connected with the support shaft; meanwhile, a transmission sheet 12 is arranged between the connecting block and the hinge support, one end of the transmission sheet is rotatably connected to the hinge support through a shaft rod 13, the other end is attached to the connecting block and connected with the U-shaped connecting shaft; through the above structure, when the opening or closing is realized by the relative rotation of the switch plate and the connecting block, the transmission sheet is driven to move synchronously, thereby ensuring the effectiveness and stability of the opening or closing; in the embodiment, a groove is formed in the middle of the bottom surface of the transmission sheet, and the connecting position of the switch plate and the connecting block is located in the groove.
[0043] Moreover, a torsion spring 14 is sleeved on the shaft rod, a locating shaft 15 is arranged on the switch plate, the locating shaft is above the support shaft, and the end rods of the torsion spring are respectively located on the bottom surface of the hinge support and the locating shaft. Through the above structure, the torsion effectiveness can be ensured by the torsion spring. When in use, the hinge opening and closing damping buffering are realized by the torsion spring and the damper.
[0044] Moreover, in the embodiment, the adjusting seat structure 5 comprises an adjusting support seat 51 and an adjusting support 52 arranged on the adjusting support seat; a strip-shaped groove 16 is arranged on the side plate base, a positioning pin 17 is arranged on the adjusting support seat, and the positioning pin is located in the strip-shaped groove; in the embodiment, the strip-shaped groove cooperates with the positioning pin to realize the position adjustment of the adjusting seat structure on the side plate base, and cooperates with the adjusting through groove to improve the adjustment range and realize the three-dimensional adjustment operation.
[0045] An adjusting through groove 18 is arranged on the adjusting support, a screw rod 19 is arranged on the adjusting support seat, and the screw rod passes through the adjusting through groove; the adjusting support is adjusted on the adjusting support seat and locked by the screw rod; one end of the hinge support away from the support shaft is connected to the adjusting support through a movable shaft body 20. The adjusting through groove comprises left-right adjusting grooves for adjusting the left-right direction and front-back adjusting grooves for adjusting the front-back direction. Through the above structure, not only the left-right adjustment can be realized, but also the front-back adjustment can be realized, thereby meeting the adjustment requirements in different directions; moreover, the adjusting support can be positioned by the screw rod and also can be adjusted on the adjusting support seat, thereby meeting the use requirements in different situations and improving the application range. In the above structure, the length and width of the strip-shaped groove and the adjusting through groove can be processed according to the requirements to meet the use requirements.
[0046] Moreover, the adjusting damper structure comprises a C-shaped adjusting seat 61, a damping fixing seat 62, a damper 63, a buffer spring 64 and a damping adjusting piece 65; during assembly, the C-shaped adjusting seat is located at the top surface of the adjusting support, and translation grooves 66 are arranged on the symmetrical side edges of the C-shaped adjusting seat; the symmetrical side surfaces of the damping fixing seat are provided with translation strip-shaped protrusions 67 matched with the translation grooves; and the depth of the recessed area of the C-shaped adjusting seat is matched with the height of the damper. In the embodiment, the damper is a conventional structure in the prior art, which is simply applied, and is mainly used for damping and buffering effects; the length of the translation groove can be processed and arranged according to requirements; during assembly, the damping fixing seat is located in the C-shaped adjusting seat, the translation strip-shaped protrusions are translationally arranged in the translation grooves, and the supporting shaft is connected to the end bottom surface of the damping fixing seat; the damper is located in the C-shaped adjusting seat and is connected to the damping fixing seat through the damping adjusting piece at one end; and the buffer spring is arranged between the damper and the inner wall of the recessed area of the C-shaped adjusting seat. By arranging the buffer spring, the damper can be effectively buffered, the pressure borne by the damper can be reduced, the service life of the damper is prolonged, the damping adjusting convenience and effectiveness can be ensured by arranging the translation grooves matched with the translation strip-shaped protrusions, and the problem of too slow damping caused by too large door weight is effectively solved, and the selection of 20-40 degrees of buffering is met.
[0047] Meanwhile, the abutting shaft is sleeved with a shaft sleeve 21; and the end rod of the torsion spring abuts on the shaft sleeve. The shaft sleeve is additionally arranged, so that the problem of unsmoothness and abnormal sound generated when the torsion spring is twisted is solved, and the service life is prolonged.
[0048] Moreover, the end close to the hinge seat of the adjusting support is provided with a mounting positioning piece 22. The mounting positioning piece is mainly used for positioning during mounting, so that the accuracy of the mounting position is ensured, the mounting precision is improved, and the mounting reliability is ensured.
[0049] Meanwhile, the hinge seat and the side plate base are both provided with a protective cover 23. The internal structure can be protected.
[0050] The utility model has the positive effect: the structure of the utility model is reasonable, it includes adjusting seat structure, and adjusting seat structure is provided with adjusting damper structure and hinge support, can not only realize damping operation, but also can adjust according to requirements to meet the demand of different buffering damping, improve the service life of adjusting damper structure, effectively meet the problem of too slow damping caused by too large door weight, improve the application range.
[0051] Meanwhile, the shaft rod is sleeved with a torsion spring, and a shaft sleeve is arranged on the abutting shaft, so that the problem of unsmoothness and abnormal sound generated when the torsion spring is twisted is effectively solved, the service life and effectiveness are improved.
[0052] And, the adjusting damping structure includes C-shaped adjusting seat, damping fixing seat, damper, buffer spring and damping adjusting piece, which increases the buffer spring, can effectively reduce the pressure of the damper, improves the use stability and service life of the damper.
[0053] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description in the specification can also be directly processed according to the existing technical knowledge without doubt, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional models in the existing technology, so the specific description is not made here.
[0054] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or changes extended from the essential spirit of the utility model still belong to the protection scope of the utility model.
Claims
1. A cabinet door hinge structure, characterized by: The hinge seat is fixed on the door plate by screws, and the side plate base is fixed on the side plate of the cabinet body; An adjusting seat structure is arranged on the side plate base, and an adjusting damping structure and a hinge support are arranged on the adjusting seat structure; An end of the hinge support is rotatably connected with a push piece through a support shaft, and a connecting block and a U-shaped connecting shaft are arranged on the hinge seat; The U-shaped connecting shaft is arranged in the side wall of the hinge seat and rotatably connected with the push piece and the connecting block at two ends thereof; An end of the adjusting damping structure is rotatably connected with the support shaft; A transmission piece is arranged between the connecting block and the hinge support, one end of the transmission piece is rotatably connected with the hinge support through a shaft rod, the other end of the transmission piece is attached to the connecting block and connected with the U-shaped connecting shaft; A torsion spring is sleeved on the shaft rod, a locating shaft is arranged on the push piece, and the locating shaft is above the support shaft, and end rods of the torsion spring are located on the bottom surface of the hinge support and the locating shaft.
2. A cabinet door hinge structure according to claim 1, characterized in that: The adjusting seat structure comprises an adjusting support seat and an adjusting support arranged on the adjusting support seat; A strip-shaped groove is arranged on the side plate base, and a positioning pin is arranged on the adjusting support seat and located in the strip-shaped groove; An adjusting through groove is arranged on the adjusting support, a screw rod is arranged on the adjusting support seat and passes through the adjusting through groove, and the adjusting support is adjusted on the adjusting support seat and locked by the screw rod; An end of the hinge support away from the support shaft is connected to the adjusting support through a movable shaft body.
3. A cabinet door hinge structure according to claim 2, wherein: The adjusting damping structure comprises a C-shaped adjusting seat, a damping fixing seat, a damper, and a damping adjusting piece; The C-shaped adjusting seat is located on the top surface of the adjusting support, and symmetrical side edges of the C-shaped adjusting seat are provided with translation grooves; Symmetrical side surfaces of the damping fixing seat are provided with translation strip-shaped protrusions matched with the translation grooves; The damping fixing seat is located in the C-shaped adjusting seat, the translation strip-shaped protrusions are translationally arranged in the translation grooves, and the support shaft is connected to the end bottom surface of the damping fixing seat; The damper is located in the C-shaped adjusting seat and connected to the damping fixing seat through the damping adjusting piece at one end.
4. A cabinet door hinge structure according to claim 3, wherein: A buffer spring is arranged between the damper and the inner wall of the recessed area of the C-shaped adjusting seat.
5. A cabinet door hinge structure according to claim 1, wherein: A shaft sleeve is sleeved on the locating shaft. End rods of the torsion spring are located on the shaft sleeve.
6. A cabinet door hinge structure according to claim 2, wherein: An installation positioning piece is arranged at an end of the adjusting support close to the hinge seat.
7. A cabinet door hinge structure as defined in claim 1, wherein: Protection covers are arranged on the hinge seat and the side plate base.
8. A cabinet door hinge structure according to claim 2, wherein: The adjusting through groove comprises left and right adjusting grooves adjusting in the left and right directions and front and rear adjusting grooves adjusting in the front and rear directions.
9. A cabinet door hinge structure according to claim 3, wherein: The depth of the recessed area of the C-shaped adjusting seat is matched with the height of the damper.