CN218644070U - Oven door lock catch structure - Google Patents
Oven door lock catch structure Download PDFInfo
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- CN218644070U CN218644070U CN202222054251.0U CN202222054251U CN218644070U CN 218644070 U CN218644070 U CN 218644070U CN 202222054251 U CN202222054251 U CN 202222054251U CN 218644070 U CN218644070 U CN 218644070U
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- connecting rod
- locking
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Abstract
The utility model relates to the technical field of ovens, in particular to an oven door lock catch structure; the lock comprises a support frame, a lock catch and a lock tongue, wherein a lock connecting piece hinged with the support frame is arranged on the support frame, a first elastic element is arranged between the lock connecting piece and the support frame, and the lock tongue is vertically arranged at one end of the lock connecting piece; the inner side of the supporting frame is provided with a linkage device, and the upper end of the linkage device is movably connected with the other end of the locking piece; the utility model discloses an oven door lock catch structure, spring bolt, lock link, clutch and drive connecting rod establish the transmission relation in proper order, when the button is down on time, drive the spring bolt on the lock link to rotate downwards through the clutch, make it and lock catch to drop off; the linkage device and the locking piece can move relatively, and the linkage device can not be driven to rotate synchronously when the locking piece and the lock tongue establish a locking relation, so that the force required for closing the door can be reduced.
Description
Technical Field
The utility model relates to an oven technical field indicates an oven door hasp structure very much.
Background
Existing cooking devices (e.g., ovens, etc.) typically use mechanical door lock structures. Before the door body is opened or closed, the mechanical door lock structure needs to rotate the door handle by a certain angle, and then the door body can be opened or closed. The door body handle can produce virtual position, rock scheduling problem after long-time the use, and user's use experience is relatively poor. Chinese patent CN114352133A discloses a door lock, a first hook structure, rotatably disposed on one of a door body of a cooking device and a casing of the cooking device; the second hook structure is arranged on the other one of the door body and the shell, and can push the first hook structure to rotate and hook on the first hook structure; the locking structure is arranged on one of the door body and the machine shell, when the first hook structure and the second hook structure are hooked in place, the first hook structure triggers the locking structure, and the locking structure acts on the first hook structure in a moving mode to lock the first hook structure and the second hook structure. The door lock structure solves the problem of operation complexity in the prior art that the door body is unlocked by rotating the door handle.
But current oven and the latched device between the door body structure mainly rely on the size of spring force to realize spacing under the state of closing the door, and the user is when opening the door body, need apply a great power to overcome this spring force and make the locking structure unhook, and the gravity of the door body can break through the spacing locking of spring force and lead to the door body to open automatically when moving or machine slope, and the operating temperature of oven is usually about 230 ℃, and the temperature is high just scald very easily if open the oven door suddenly, and the security is not enough and user experience is poor. Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rational in infrastructure, the action is stable, the required dynamics of closing the door is little, safe and reliable's oven door hasp structure to prior art's defect and not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses an oven door lock catch structure, including support frame, lock catch spare and spring bolt, be equipped with the lock connecting piece rather than articulated on the support frame, be equipped with first elastic element between lock connecting piece and the support frame, the spring bolt sets up in one end of lock connecting piece; the inner side of the support frame is provided with a linkage device, and the upper end of the linkage device is movably connected with the other end of the locking piece. The lock link is used for connecting the lock fastener in a matching way, the lock link can drive the lock tongue to move up and down by rotating on the support frame, and the first elastic element provides a locking force under the normal condition, so that the lock tongue always tends to the lock fastener to keep a locking state with the lock fastener. When the lock tongue and the lock catch piece are in a locked state, the linkage device can drive the locking piece to rotate on the support frame under the action of external force, and at the moment, the locking piece needs to overcome the locking force of the first elastic element to enable the lock tongue to be separated from the lock catch piece. When the lock catch piece needs to establish a locking relation with the lock tongue in a tripping state, the linkage device is movably connected with the lock connecting piece, and the lock catch piece pushes the lock connecting piece through the lock tongue and only needs to overcome the locking force of the first elastic element, so that the force required for establishing the locking relation between the lock catch piece and the lock tongue when the door is closed can be effectively reduced.
According to the scheme, the upper end of the linkage device is provided with the runway groove, the other end of the locking piece is provided with the stroke pin, and the stroke pin movably penetrates through the runway groove to enable the locking piece to be movably connected with the linkage device. The travel pin can reciprocate for a certain distance along the runway groove, when the locking piece and the lock tongue need to be disengaged, the linkage device moves downwards to enable the travel pin to slide to one end of the runway groove, then the linkage device can drive the locking piece to rotate on the supporting frame, the lock tongue is disengaged from the locking piece at the moment to enable the lock tongue to be in a free state, and correspondingly, the door body on the box body can be opened at the moment. When the door body is closed, the lock catch piece pushes the lock tongue and the lock connecting piece to rotate on the support frame by a certain angle, the stroke angle of the lock connecting piece corresponds to the other end of the runway groove, and the lock connecting piece is driven by the first elastic element to reset at the moment. Furthermore, when the lock catch piece is connected with the lock tongue in a matching way, only the elastic force of the first elastic element needs to be overcome, so that the force required when the door is closed can be effectively reduced.
According to the scheme, the other end of the locking piece is provided with a turning arm, the upper end of the turning arm is fixedly connected with the locking piece, and two sides of the lower end of the turning arm are provided with travel pins; the upper end of the linkage device is provided with two mutually-spaced folding lugs, and the folding lugs are provided with runway grooves; the lower end of the turning arm penetrates between the two folding lugs, and the travel pin movably penetrates through the corresponding runway groove. The two sides of the turning arm are symmetrically provided with travel pins and are in sliding connection with the corresponding track grooves on the turning lugs, so that the stability of action matching between the locking piece and the linkage device is better. The travel pin penetrates through the runway groove to enable the linkage device to be in rotating connection with the locking connection piece, the travel pin can slide back and forth along the two ends of the runway groove, and the linkage device cannot be driven to rotate synchronously when the locking piece and the lock tongue are in locking relation, so that the required force when the door is closed is reduced.
According to the scheme, the device also comprises a shell, wherein the support frame is fixedly arranged in the shell, and a driving connecting rod hinged with the shell is arranged below the support frame; the inner end of the driving connecting rod is hinged with the lower end of the linkage device, a second elastic element is arranged between the driving connecting rod and the shell, and a key is arranged at the outer end of the driving connecting rod. The casing is used for installing above-mentioned support frame and drive connecting rod, and wherein the casing bottom is equipped with the connecting rod support, and the middle part of connecting rod support upper end through pivot and drive connecting rod rotates to be connected, and the outer end of drive connecting rod extends to set up outside the box, makes its inner end can drive the clutch through pressing down drive connecting rod, thereby drives the lock even piece and rotates on the support frame and break off the locking between spring bolt and the hasp piece is connected.
According to the scheme, the lower end of the linkage device is provided with the bending piece, the two sides of the bending piece are provided with the fender boards, the inner end of the driving connecting rod penetrates through the space between the two fender boards, and the driving connecting rod is rotatably connected with the fender boards through the rotating shaft. The driving connecting rod is connected with the lappet through the rotating shaft and can drive the linkage to move up and down, meanwhile, the linkage and the driving connecting rod can rotate relatively, when the lock catch piece pushes the lock tongue and the locking piece, the motion track of the stroke pin relative to the locking piece is arc-shaped, the stroke pin slides along the runway groove, the linkage rotates to a certain degree to adapt to the motion track of the stroke pin, and the locking piece cannot drive the linkage and the driving connecting rod to move when closing, so that the required force is reduced when the door is closed.
According to the scheme, an included angle C is formed between the bending piece and a central connecting line of two ends of the runway groove, and the value range of the included angle C is between 90 degrees and 120 degrees. The lock catch piece is located above the support frame in a locking state, the lock connecting piece can rotate on the support frame, the driving connecting rod is arranged below the support frame, the linkage device on the front side of the support frame is connected with the driving connecting rod and the lock connecting piece respectively, the lock connecting piece, the linkage device and the driving connecting rod form a U-shaped transmission chain, the preferable included angle C is 105 degrees, and the door opening smoothness of the driving connecting rod can be improved.
According to the scheme, the refrigerator body is further provided, a door body is arranged on an opening in the front side of the refrigerator body, the upper end of the door body is hinged with the refrigerator body, a lock catch piece is transversely arranged at the lower end of the door body, and a keyhole is formed in the lock catch piece; the casing is located a body below and with box fixed connection, the spring bolt setting is on the lock even piece, all is equipped with paired chamfer landslide on spring bolt and the lock catch spare. The lock catch piece pushes the spring bolt along with the closing action of the door body, the chamfer slope can reduce the friction force between the lock catch piece and the spring bolt, and the chamfer slope converts the transverse acting force generated by the door closing action into vertical pressure, so that the spring bolt moves downwards to push the locking piece to overcome the locking force of the first elastic element, and at the moment, the turning arm rotates along with the locking piece, and the stroke pin can slide in the chute relatively, so that the linkage device and the driving connecting rod cannot be driven, and the action force required for door closing is smaller.
The utility model discloses an oven door lock catch structure, spring bolt, lock even piece, clutch and drive connecting rod set up the transmission relation in proper order, when the button is down on time, drive the spring bolt on the lock even piece to rotate downwards through the clutch, make it and lock the piece and thread off; the line clutch and the locking piece can move relatively, and the locking piece and the lock tongue can not drive the clutch to rotate synchronously when establishing a locking relation, so that the force required for closing the door can be reduced.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1
Fig. 3 is a schematic cross-sectional view of the internal structure of the housing of the present invention;
FIG. 4 is a schematic diagram of the disassembled structure of FIG. 3;
fig. 5 is a schematic view of the linkage device of the present invention.
In the figure:
1. a support frame; 2. a fastener; 3. a latch bolt; 4. a linkage; 5. a box body; 11. a locking member; 12. a first elastic element; 13. a travel pin; 14. a turning arm; 31. chamfering and landslide; 41. a runway groove; 42. folding the lug plate; 43. bending the sheet; 44. a lappet; 51. a door body; 52. a housing; 53. a drive link; 54. a second elastic element; 55. pressing a key; 56. a connecting rod bracket.
Detailed Description
The technical solution of the present invention is explained below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-5, the oven door latch structure of the present invention comprises a supporting frame 1, a latch member 2 and a latch tongue 3, wherein the supporting frame 1 is provided with a locking member 11 hinged thereto, a first elastic element 12 is arranged between the locking member 11 and the supporting frame 1, and the latch tongue 3 is arranged at one end of the locking member 11; the inner side of the support frame 1 is provided with a linkage device 4, and the upper end of the linkage device 4 is movably connected with the other end of the locking piece 11. The bolt 3 on the locking piece 11 is used for connecting the lock catch piece 2 in a matching way, the locking piece 11 rotates on the support frame 1 to drive the bolt 3 to move up and down, and the first elastic element 12 provides a locking force to enable the bolt 3 to always tend to the lock catch piece 2 so as to keep a locking state with the lock catch piece. When the lock tongue 3 and the lock catch part 2 are in a locked state, the linkage 4 can drive the locking connection part 11 to rotate on the support frame 1 under the action of external force, and at the moment, the locking connection part 11 needs to overcome the locking force of the first elastic element 12 to enable the lock tongue 3 to be separated from the lock catch part 2. When the locking element 2 needs to establish a locking relationship with the bolt 3 in a tripping state, because the linkage 4 is movably connected with the locking connecting element 11, the locking element 2 pushes the locking connecting element 11 through the bolt 3 and only needs to overcome the locking force of the first elastic element 12, and the force required for establishing the locking relationship between the locking element 2 and the bolt 3 when the door is closed can be effectively reduced.
The support frame 1 is fixedly arranged in the shell 52, and a driving connecting rod 53 hinged with the shell 52 is arranged below the support frame 1; the inner end of the driving connecting rod 53 is hinged with the lower end of the linkage device 4, a second elastic element 54 is arranged between the driving connecting rod 53 and the shell 52, and the outer end of the driving connecting rod 53 is provided with a key 55. The housing 52 is used for mounting the support frame 1 and the driving connecting rod 53, wherein the bottom of the housing 52 is provided with a connecting rod support 56, the upper end of the connecting rod support 56 is rotatably connected with the middle part of the driving connecting rod 53 through a rotating shaft, the outer end of the driving connecting rod 53 extends out of the box body 5, the inner end of the driving connecting rod 53 can drive the linkage 4 by pressing the driving connecting rod 53, and then the locking connecting piece 11 is driven to rotate on the support frame 1, so that the locking connection between the bolt 3 and the locking piece 2 is disconnected.
The refrigerator body is characterized by further comprising a refrigerator body 5, a door body 51 is arranged on an opening in the front side of the refrigerator body 5, the upper end of the door body 51 is hinged with the refrigerator body 5, a lock catch piece 2 is transversely arranged at the lower end of the door body 51, and a lock hole is formed in the lock catch piece 2; the shell 52 is arranged below the door body 51 and fixedly connected with the box body 5, the bolt 3 is arranged on the lock connecting piece 11, and the bolt 3 and the lock catch piece 2 are both provided with paired chamfer slopes 31. The lock catch piece 2 pushes the lock tongue 3 along with the closing action of the door body 51, the chamfer slide slope 31 can reduce the friction force between the lock catch piece 2 and the lock tongue 3, the chamfer slide slope 31 converts the transverse acting force generated by the door closing action into vertical pressure, so that the lock tongue 3 moves downwards to push the locking piece 11 to overcome the locking force of the first elastic element 12, the turning arm 14 rotates along with the locking piece 11 at the moment, and the travel pin 13 can slide in the runway groove 41 relatively, so that the linkage device 4 and the driving connecting rod 53 cannot be driven, and the action force required for closing the door is smaller.
The upper end of the linkage device 4 is provided with a runway groove 41, the other end of the locking piece 11 is provided with a stroke pin 13, and the stroke pin 13 movably penetrates through the runway groove 41 so as to movably connect the locking piece 11 with the linkage device 4. The travel pin 13 can reciprocate a certain distance along the runway groove 41, when the locking element 2 and the locking tongue 3 need to be tripped, the linkage device 4 moves downwards to enable the travel pin 13 to slide to one end of the runway groove 41, then the linkage device 4 can drive the locking element 11 to rotate on the support frame 1, the locking tongue 3 is separated from the locking element 2 to be in a free state, and correspondingly, the door body 51 on the box body 5 can be opened at the moment. When the door 51 is closed, the latch member 2 pushes the latch tongue 3 and the link member 11 to rotate on the support frame 1 by a certain angle, and the travel pin 13 slides to the other end of the track groove 41 corresponding to the travel angle of the link member 11, and at this time, the link member 11 is reset by the driving of the first elastic element 12. Furthermore, when the locking element 2 is coupled with the bolt 3, only the elastic force of the first elastic element 12 needs to be overcome, so that the force required for closing the door can be effectively reduced.
A turning arm 14 is arranged at the other end of the locking piece 11, the upper end of the turning arm 14 is fixedly connected with the locking piece 11, and stroke pins 13 are arranged on two sides of the lower end of the turning arm 14; the upper end of the linkage 4 is provided with two folding lugs 42 which are mutually spaced, and the folding lugs 42 are provided with runway grooves 41; the lower end of the turning arm 14 is inserted between the two folding tabs 42, and the travel pin 13 is movably inserted in the corresponding track groove 41. The two sides of the turning arm 14 are symmetrically provided with travel pins 13 and are in sliding connection with the corresponding runner grooves 41 on the folding lug pieces 42, so that the stability of action matching between the locking piece 11 and the linkage 4 is better. The travel pin 13 penetrates through the runway groove 41 to enable the linkage 4 and the locking piece 11 to be connected in a rotating mode, the travel pin 13 can slide along the two ends of the runway groove 41 in a reciprocating mode, and the linkage 4 cannot be driven to rotate synchronously when the locking piece 2 and the lock tongue 3 are locked, so that the required force for closing the door is reduced.
The lower end of the linkage 4 is provided with a bending piece 43, two sides of the bending piece 43 are provided with fender boards 44, the inner end of the driving connecting rod 53 penetrates between the two fender boards 44, and the driving connecting rod 53 is rotatably connected with the fender boards 44 through a rotating shaft. The driving connecting rod 53 is connected with the fender 44 through a rotating shaft to drive the linkage device 4 to move up and down, meanwhile, the linkage device 4 and the driving connecting rod 53 can rotate relatively, when the lock catch piece 2 pushes the lock tongue 3 and the lock connecting piece 11, the motion track of the stroke pin 13 relative to the lock connecting piece 11 is arc-shaped, the stroke pin 13 slides along the runway groove 41, the linkage device 4 rotates to adapt to the motion track of the stroke pin 13 through a certain degree, and the lock connecting piece 11 cannot drive the linkage device 4 and the driving connecting rod 53 to move when closing, so that the required force when closing the door is reduced.
An included angle C is formed between the bending piece 43 and a central connecting line of two ends of the runway groove 41, and the value range of the included angle C is between 90 degrees and 120 degrees. The lock catch piece 2 is located above the support frame 1 in a locking state, the locking connecting piece 11 can rotate on the support frame 1, the driving connecting rod 53 is arranged below the support frame 1, the linkage 4 on the front side of the support frame 1 is respectively connected with the driving connecting rod 53 and the locking connecting piece 11, so that the locking connecting piece 11, the linkage 4 and the driving connecting rod 53 form a U-shaped transmission chain, the preferable included angle C is 105 degrees, and the door opening smoothness of the driving connecting rod 53 can be improved.
What has just been said above is the preferred embodiment of the present invention, so all according to the utility model discloses a patent application scope structure, characteristic and principle do equivalent change or modify, all include the utility model discloses a patent application scope.
Claims (7)
1. A lock catch structure of an oven door comprises a support frame, a lock catch piece and a lock tongue, and is characterized in that,
the support frame is provided with a locking piece hinged with the support frame, a first elastic element is arranged between the locking piece and the support frame, and the lock tongue is arranged at one end of the locking piece;
the inner side of the support frame is provided with a linkage device, and the upper end of the linkage device is movably connected with the other end of the locking piece.
2. The oven door latch structure of claim 1,
the upper end of the linkage device is provided with a runway groove, the other end of the locking piece is provided with a stroke pin, and the stroke pin movably penetrates through the runway groove to movably connect the locking piece with the linkage device.
3. The toaster door latch structure according to claim 2,
the other end of the locking piece is provided with a turning arm, the upper end of the turning arm is fixedly connected with the locking piece, and two sides of the lower end of the turning arm are provided with travel pins;
the upper end of the linkage device is provided with two mutually-spaced folding lugs, and the folding lugs are provided with runway grooves;
the lower end of the turning arm penetrates between the two folding lugs, and the travel pin movably penetrates through the corresponding runway groove.
4. The oven door latch structure of claim 1,
the support frame is fixedly arranged in the shell, and a driving connecting rod hinged with the shell is arranged below the support frame; the inner end of the driving connecting rod is hinged with the lower end of the linkage, a second elastic element is arranged between the driving connecting rod and the shell, and a key is arranged at the outer end of the driving connecting rod.
5. The toaster door latch structure according to claim 3,
the lower extreme of clutch is equipped with the bending piece, and the both sides of bending piece all are equipped with the fender, and the inner end of drive connecting rod wears to locate between two fenders and the drive connecting rod rotates through pivot and fender and is connected.
6. The oven door latch structure of claim 5,
an included angle C is formed between the bending piece and a central connecting line of two ends of the runway groove, and the value range of the included angle C is between 90 degrees and 120 degrees.
7. The oven door latch structure according to claim 4,
the refrigerator is characterized by further comprising a refrigerator body, a door body is arranged on an opening in the front side of the refrigerator body, the upper end of the door body is hinged with the refrigerator body, a lock catch piece is transversely arranged at the lower end of the door body, and a lock hole is formed in the lock catch piece;
the casing is located a body below and with box fixed connection, the spring bolt setting is on the lock even piece, all is equipped with paired chamfer landslide on spring bolt and the lock catch spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222054251.0U CN218644070U (en) | 2022-08-05 | 2022-08-05 | Oven door lock catch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222054251.0U CN218644070U (en) | 2022-08-05 | 2022-08-05 | Oven door lock catch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218644070U true CN218644070U (en) | 2023-03-17 |
Family
ID=85491389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222054251.0U Active CN218644070U (en) | 2022-08-05 | 2022-08-05 | Oven door lock catch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218644070U (en) |
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2022
- 2022-08-05 CN CN202222054251.0U patent/CN218644070U/en active Active
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