Thread lock

Abstract

The invention discloses a thread lock which comprises a cabinet body, a hinge, a cabinet door, a decoration panel, a switch assembly, a base, a second bevel gear, a locking screw rod, a locking seat, a locking screw hole, a second fixing plate, a fixing screw and a charging port. A decoration panel is fixedly connected to the outer wall of one side of the mounting shell, a control panel is fixedly connected to the inner wall of one side of the decoration panel, and a switch assembly is arranged in the mounting shell; a thread lock structure is designed, a connecting switch is controlled to be switched on by pulling a handle, a brushless motor is started to drive a locking screw to rotate through a bevel gear, the locking screw is locked into a screw hole in a locking base, compared with a bolt type door cabinet lock, the safety and reliability are higher, the prying-resistant capacity is high, the gap of the locking mode that the locking screw is in threaded connection with the screw hole is small, and the locking effect is good. The cabinet door and the cabinet body can be tightly attached, the cabinet is more attractive, the sealing performance is better, and the use requirements on occasions where dust prevention and moisture prevention are needed or the internal temperature is kept stable can be met.

Description

Technical Field

[0001] The invention relates to the technical field of door cabinet locks, in particular to a screw lock. Background Art

[0002] In traditional furniture, latch-type lock bodies, as a common form of door locks, have their unique practicality. Latch-type door locks achieve the functions of locking and unlocking by moving the latch up and down. The latch is usually made of metal materials, such as copper, stainless steel, aluminum alloy, etc., and has high durability. In the unlocked state, the latch is completely withdrawn and the door can be opened freely; in the locked state, the latch is inserted into the slot and the door is firmly locked. Latch-type lock bodies can be classified according to different standards. Classification by material: metal latches such as copper latches, stainless steel latches, and wooden latches; classification by installation method: visible latches and concealed latches; visible latches are simple to install and relatively cheap; concealed latches are stronger in anti-theft ability, but installation requires professional technicians; classification by use: furniture latches such as wardrobe latches and bookcase latches, door and window latches such as wooden door latches and window latches, etc.

[0003] Existing latch-type door cabinet locks have the following defects: First, an elastic lock tongue is usually used as the main locking element. This design is convenient, but the safety is greatly reduced. After the elastic lock tongue is inserted into the slot, it only relies on its own elastic force to maintain the locked state, and lacks an effective anti-pry mechanism. Therefore, once it encounters external pressure or the action of a specific tool, the lock tongue is easily compressed or offset, and thus easily unlocked, resulting in insufficient safety and reliability; second, due to the design that there is often a large gap between the lock tongue and the slot, this results in a certain distance between the cabinet door and the cabinet body when locked, and it is impossible to achieve tight locking. Tight fit. This loose connection not only affects the aesthetics of the door cabinet, but more importantly, reduces its sealing performance. In situations where dust and moisture resistance or stable internal temperature are required, this lack of sealing will directly affect the use of the door cabinet; third, due to the differences in size, shape and installation hole positions of door cabinets on the market, and the installation position design of traditional latch locks is often relatively fixed, it is difficult to meet the adaptation requirements of fixtures of different sizes and models. This leads to users often having to spend a lot of time and energy to find suitable models when purchasing or replacing locks, and may even require customized production, which increases the cost and inconvenience of use. Summary of the invention

[0004] The object of the present invention is to provide a screw thread lock to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a screw lock, comprising a cabinet body, a hinge fixedly connected to an outer wall on one side of the cabinet body, a cabinet door hinged on the hinge, a mounting shell sleeved on an outer wall on one side of the cabinet door, a decorative panel fixedly connected to an outer wall on one side of the mounting shell, a control board fixedly connected to an inner wall on one side of the decorative panel, a switch assembly is arranged in the mounting shell, the switch assembly comprises a base, and the base is sleeved on the mounting shell and the decorative panel, a switch shell is arranged on one side of the base, a main shaft is arranged in the base, and the main shaft is sleeved on the switch shell, a rotating block is arranged in the switch shell, and the rotating block is fixedly connected to the main shaft, second conductive plates are arranged on both sides of the rotating block, a first spring is arranged on one side of the second conductive plate, and an insulating column is fixedly connected to the outer wall on the other side of the second conductive plate.

[0006] As a further technical solution of the present invention, a torsion spring is fixedly connected to the main shaft, a fixing column is fixedly connected to the other end of the torsion spring, and the fixing column is fixedly connected to an outer wall of one side of the switch housing.

[0007] As a further technical solution of the present invention, a front panel is fixedly connected to an outer wall of one side of the base, a handle is provided on the front panel, and the handle is fixedly connected to one end of the main shaft.

[0008] As a further technical solution of the present invention, fixing holes are opened on the outer walls on both sides of the switch housing, fastening screws are threadedly connected to the fixing holes, a wire pressing plate is sleeved on the fastening screws, a first conductive plate is arranged on one side of the wire pressing plate, and wiring holes are opened on the outer walls on the other two sides of the switch housing at positions corresponding to the fixing holes, and the wiring holes are conductively connected to the fixing holes.

[0009] As a further technical solution of the present invention, a groove is provided on the rotating block.

[0010] As a further technical solution of the present invention, a first fixing plate is provided on the outer wall of the base, a first bolt is sleeved on the first fixing plate, and the first bolt is sleeved on the switch housing, a cover plate is provided on one side of the switch housing, and the first bolt is threadedly connected to the cover plate.

[0011] As a further technical solution of the present invention, a connecting seat is fixedly connected to the inner wall of the mounting shell, a lock core is sleeved in the connecting seat, a lock head is fixedly connected to the lock core, a connecting groove is provided on the lock core, a fixing seat is provided on the inner wall of the connecting seat, a second spring and a contact are provided in the fixing seat, a conducting column is provided on one side of the second spring, and the contact is sleeved in the conducting column, the conducting column is provided in the connecting groove, and a connecting head is provided on the outer wall of the connecting seat.

[0012] As a further technical solution of the present invention, a brushless motor is fixedly connected to the inner wall of the mounting shell, a first bevel gear is fixedly connected to the output end of the brushless motor, a second bevel gear is meshingly connected to the first bevel gear, a locking screw is fixedly connected to the outer wall of one side of the second bevel gear, a locking seat is fixedly connected to the inner wall of the cabinet at a position corresponding to the locking screw, a locking screw hole is opened on the outer wall of one side of the locking seat, and the locking screw is threadedly connected to the locking screw hole.

[0013] As a further technical solution of the present invention, a mounting seat is fixedly connected to the inner wall of the mounting shell, a battery is fixedly connected inside the mounting seat, a charging port is provided on the battery, and the charging port is sleeved on the mounting shell.

[0014] As a further technical solution of the present invention, a second fixing plate is fixedly connected to the outer walls on both sides of the mounting shell, fixing screws are sleeved on the second fixing plate, and the fixing screws are threadedly connected to the cabinet door, a rear panel is provided on one side of the mounting shell, a second bolt is sleeved on the rear panel, a sleeve is provided at a position corresponding to the second bolt on the inner wall of the mounting shell, and the second bolt is threadedly connected in the sleeve.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is designed with a screw lock structure, which controls the connection switch to be turned on by turning the handle, starts the brushless motor and drives the locking screw to rotate through the bevel gear, and locks it into the screw hole on the locking seat. Compared with the latch-type door cabinet lock, it has higher safety and reliability, strong anti-pry ability, and a locking method gap of the locking screw threaded connection screw hole is small, which can achieve a close fit between the cabinet door and the cabinet body, which is more beautiful and has better sealing performance. It can meet the use requirements in occasions that require dustproof, moisture-proof or maintaining stable internal temperature. At the same time, the screw lock structure has good compatibility and flexible installation position. The locking seat can be installed on the inner wall of the cabinet according to the shape and size of the cabinet. The screw hole adapts to the size of the locking screw. The selection is simple and convenient, which reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 It is a side view cutaway structural schematic diagram of the present invention;

[0018] Figure 3 It is a structural exploded diagram of the screw thread lock body of the present invention;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the switch assembly of the present invention;

[0020] Figure 5 It is a schematic diagram of a three-dimensional cross-section structure of a switch assembly of the present invention;

[0021] Figure 6 It is a structural exploded diagram of the switch assembly of the present invention;

[0022] Figure 7 It is a schematic diagram of a cross-sectional structure of a switch assembly of the present invention when viewed from bottom;

[0023] Figure 8 It is a structural explosion diagram of the screw thread lock body of the present invention from another perspective;

[0024] Fig. 9 It is a schematic diagram of the three-dimensional structure of the lock head and the connecting seat of the present invention;

[0025] Fig.10 It is a front view cross-sectional structural schematic diagram of the lock head and the connecting seat of the present invention.

[0026] Fig.11 for Figure 2 Schematic diagram of the enlarged structure of the A area in the middle;

[0027] Fig.12 It is a schematic diagram of the side cutaway structure of the screw thread lock body of the present invention;

[0028] Fig.13 It is a schematic diagram of the three-dimensional structure of the screw thread lock body of the present invention;

[0029] In the figure: 1, cabinet body; 2, hinge; 3, cabinet door; 4, decorative panel; 5, switch assembly; 51, base; 52, front panel; 53, handle; 54, first fixing plate; 55, spindle; 56, torsion spring; 57, fixing column; 58, switch housing; 59, wiring hole; 510, fixing hole; 511, rotating block; 512, groove; 513, fastening screw; 514, pressing plate; 515, first conductive plate; 516, second conductive plate; 517, first spring; 518, insulating column; 519, first bolt; 520 , cover plate; 6, mounting shell; 7, mounting seat; 8, battery; 9, lock head; 10, connecting seat; 11, connecting head; 12, lock core; 13, connecting groove; 14, fixing seat; 15, conducting column; 16, second spring; 17, contact; 18, sleeve; 19, rear panel; 20, second bolt; 21, brushless motor; 22, first bevel gear; 23, second bevel gear; 24, locking screw; 25, locking seat; 26, locking screw hole; 27, second fixing plate; 28, fixing screw; 29, charging port; 30, control board. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Please see attached Figure 1 -Attached Fig.13An embodiment of the present invention is as follows: a screw lock comprises a cabinet 1, a hinge 2 is fixedly connected to an outer wall of one side of the cabinet 1, a cabinet door 3 is hinged on the hinge 2, a mounting shell 6 is sleeved on an outer wall of one side of the cabinet door 3, a decorative panel 4 is fixedly connected to an outer wall of one side of the mounting shell 6, a control board 30 is fixedly connected to an inner wall of one side of the decorative panel 4, a switch assembly 5 is arranged in the mounting shell 6, the switch assembly 5 comprises a base 51, and the base 51 is sleeved on the mounting shell 6 and the decorative panel 4, a switch shell 58 is arranged on one side of the base 51, a main shaft 55 is arranged in the base 51, and the main shaft 55 is sleeved on the switch shell 58, a rotating block 511 is arranged in the switch shell 58, and the rotating block 511 is fixedly connected to the main shaft 55 , second conductive plates 516 are provided on both sides of the rotating block 511, a first spring 517 is provided on one side of the second conductive plate 516, and an insulating column 518 is fixedly connected to the outer wall of the other side of the second conductive plate 516; a torsion spring 56 is fixedly connected to the main shaft 55, and the other end of the torsion spring 56 is fixedly connected to a fixing column 57, and the fixing column 57 is fixedly connected to the outer wall of one side of the switch housing 58, and the torsion spring 56 and the fixing column 57 are used for resetting the main shaft 55 and the handle 53; a front panel 52 is fixedly connected to the outer wall of one side of the base 51, and a handle 53 is provided on the front panel 52, and the handle 53 is fixedly connected to one end of the main shaft 55, and the handle 53 is used to drive the main shaft 55 to rotate; fixing holes 510 are opened on the outer walls of both sides of the switch housing 58 , a fastening screw 513 is connected to the inner thread of the fixing hole 510, a wire pressing plate 514 is sleeved on the fastening screw 513, a first conductive plate 515 is arranged on one side of the wire pressing plate 514, and a wiring hole 59 is opened at the position corresponding to the fixing hole 510 on the other two outer walls of the switch housing 58, and the wiring hole 59 is conductively connected to the fixing hole 510, the wiring hole 59 is used to insert the wire end, and the fastening screw 513 and the wire pressing plate 514 are used to fix the wire end; a groove 512 is opened on the rotating block 511, and the groove 512 is used to accommodate the insulating column 518; a first fixing plate 54 is arranged on the outer wall of the base 51, and a first bolt 519 is sleeved on the first fixing plate 54, and the first bolt 519 is sleeved on the switch housing 58, and one side of the switch housing 58 A cover plate 520 is provided on the side, and the first bolt 519 is threadedly connected to the cover plate 520. The first fixing plate 54, the first bolt 519 and the cover plate 520 are used to assemble the switch assembly 5; a connecting seat 10 is fixedly connected to the inner wall of the mounting housing 6, a lock core 12 is sleeved in the connecting seat 10, a lock head 9 is fixedly connected to the lock core 12, a connecting groove 13 is provided on the lock core 12, a fixing seat 14 is provided on the inner wall of the connecting seat 10, a second spring 16 and a contact 17 are provided in the fixing seat 14, a conducting column 15 is provided on one side of the second spring 16, and the contact 17 is sleeved in the conducting column 15, the conducting column 15 is provided in the connecting groove 13, a connecting head 11 is provided on the outer wall of the connecting seat 10, and the lock head 9 is used to drive the lock core 12 to rotate;A brushless motor 21 is fixedly connected to the inner wall of the mounting shell 6, a first bevel gear 22 is fixedly connected to the output end of the brushless motor 21, a second bevel gear 23 is meshedly connected to the first bevel gear 22, a locking screw 24 is fixedly connected to one side outer wall of the second bevel gear 23, a locking seat 25 is fixedly connected to the position of the inner wall of the cabinet 1 corresponding to the locking screw 24, a locking screw hole 26 is provided on one side outer wall of the locking seat 25, and the locking screw 24 is threadedly connected to the locking screw hole 26, the brushless motor 21, the first bevel gear 22 and the second bevel gear 23 are used to drive the locking screw 24; a mounting seat 7 is fixedly connected to the inner wall of the mounting shell 6, a battery 8 is fixedly connected to the mounting seat 7, and the battery A charging port 29 is provided on the mounting housing 6, and the charging port 29 is sleeved on the mounting housing 6. The battery 8 is used for power supply, and the charging port 29 is used for charging; the second fixing plates 27 are fixedly connected to the outer walls of both sides of the mounting housing 6, and the second fixing plates 27 are sleeved with fixing screws 28, and the fixing screws 28 are threadedly connected to the cabinet door 3. A rear panel 19 is provided on one side of the mounting housing 6, and a second bolt 20 is sleeved on the rear panel 19. A sleeve 18 is provided at a position corresponding to the second bolt 20 on the inner wall of the mounting housing 6, and the second bolt 20 is threadedly connected in the sleeve 18. The second fixing plate 27 and the fixing screw 28 are used to fix the mounting housing 6, and the second bolt 20 and the sleeve 18 are used to install the rear panel 19. The battery pack 8 in the lock body is electrically connected to the control board 30, and the control board 30 is electrically connected to the switch assembly 5, the connector 11 and the brushless motor 21 through the line to realize the opening and closing of the screw lock. ;

[0032] Working principle: When installing and using the present invention, first install the battery 8 on the mounting seat 7, connect the battery 8 and the switch assembly 5 through a cable, insert one end of the cable into the wiring hole 59 on the switch housing 58, so that the wire end is inserted between the wire pressing plate 514 and the first conductive plate 515, use a screwdriver to rotate the fastening screw 513 in the fixing hole 510, the fastening screw 513 pushes the wire pressing plate 514 to press the wire end, the wiring terminal of the brushless motor 21 is connected to the control board 30, the control board 30 is connected to the connector 11 on the connecting seat 10, and the connector 11 at the other end is connected to the switch assembly 5 through the cable, and then the rear panel 19 is installed on the mounting housing 6 through the sleeve 18 and the second bolt 20. The mounting housing 6 is mounted on the cabinet door 3 by means of the fixing screws 28 on the second fixing plate 27, and then the locking seat 25 is mounted on the inner wall of the cabinet body 1. When in use, the cabinet door 3 is rotated by means of the hinge 2 to close the cabinet door 3, so that the locking screw 24 is initially aligned with the locking screw hole 26. When in use, the handle 53 is rotated, and the handle 53 drives the main shaft 55 in the base 51 to rotate, and the main shaft 55 drives the rotating block 511 thereon to rotate, and the rotating block 511 rotates until the groove 512 is aligned with the insulating column 518. Under the action of the first spring 517, the insulating column 518 is pushed into the groove 512, and at the same time, the second conductive plate 516 touches the first conductive plate 515, the circuit is turned on, and the brushless motor 21 is started, and the brushless The motor 21 drives the second bevel gear 23 through the first bevel gear 22, and the second bevel gear 23 drives the locking screw 24 to rotate forward into the locking screw hole 26 to lock the cabinet door 3. The handle 53 is released, and the handle 53 and the main shaft 55 return to the initial position under the action of the torsion spring 56 and the fixing column 57. The handle 53 is turned again, and the circuit is turned on again. The control board 30 controls the brushless motor 21 to reverse through the logic program, and then controls the locking screw 24 to exit the locking screw hole 26 to complete the unlocking. When in use, the state can be locked by the key. By inserting the lock head 9 and rotating it, the lock core 12 is driven to rotate. The lock core 12 is made of insulating material, and a conductive column is arranged in the connecting groove 13. The conductive column 15 is at When in the connecting groove 13, the contacts 17 on both sides are connected through the conducting column 15 and the conductive column. The connecting groove 13 and the conducting column 15 are rotated so as to be offset and fall into the positioning grooves on both sides where the circuit cannot be conducted. The conducting column 15 compresses the second spring 16 and retreats into the fixing seat 14, so that the contacts 17 on both sides cannot be conducted, the circuit is disconnected and cannot be closed, so that the rotating handle 53 cannot connect the circuit and the cabinet door 3 cannot be controlled to be opened. The key needs to be used to reset the lock core 12 to achieve the purpose of double locking. The decorative panel 4 is used for decoration, the front panel 52 is used to protect the surface of the switch assembly 5, the first fixing plate 54, the first bolt 519 and the cover plate 520 are used to assemble the switch assembly 5, and the charging port 29 is used for charging.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A screw lock, comprising a cabinet (1), characterized in that: A hinge (2) is fixedly connected to an outer wall of one side of the cabinet body (1), a cabinet door (3) is hingedly connected to the hinge (2), a mounting shell (6) is sleeved on an outer wall of one side of the cabinet door (3), a decorative panel (4) is fixedly connected to an outer wall of one side of the mounting shell (6), a control board (30) is fixedly connected to an inner wall of one side of the decorative panel (4), a switch assembly (5) is arranged in the mounting shell (6), the switch assembly (5) comprises a base (51), and the base (51) is sleeved on the mounting shell (6) and the decorative panel ( 4), a switch housing (58) is disposed on one side of the base (51), a main shaft (55) is disposed in the base (51), and the main shaft (55) is sleeved on the switch housing (58), a rotating block (511) is disposed in the switch housing (58), and the rotating block (511) is fixedly connected to the main shaft (55), second conductive plates (516) are disposed on both sides of the rotating block (511), a first spring (517) is disposed on one side of the second conductive plate (516), and a spring (517) is fixed on the outer wall of the other side of the second conductive plate (516). The switch housing (58) is fixedly connected with an insulating column (518); fixing holes (510) are provided on the outer walls of both sides of the switch housing (58); the fixing holes (510) are internally threadedly connected with fastening screws (513); a wire pressing plate (514) is sleeved on the fastening screw (513); a first conductive plate (515) is provided on one side of the wire pressing plate (514); a brushless motor (21) is also fixedly connected to the inner wall of the mounting housing (6); the output end of the brushless motor (21) is fixedly connected with a first bevel gear (22); the first bevel gear (22) ) is meshedly connected with a second bevel gear (23), a locking screw (24) is fixedly connected to an outer wall of one side of the second bevel gear (23), a locking seat (25) is fixedly connected to an inner wall of the cabinet (1) at a position corresponding to the locking screw (24), a locking screw hole (26) is formed on an outer wall of one side of the locking seat (25), and the locking screw (24) is threadedly connected to the locking screw hole (26); the control panel (30) is electrically connected to the switch assembly (5), the connector (11) and the brushless motor (21) through a circuit.

2. A screw thread lock according to claim 1, characterized in that: A torsion spring (56) is fixedly connected to the main shaft (55), and the other end of the torsion spring (56) is fixedly connected to a fixing column (57), and the fixing column (57) is fixedly connected to an outer wall of one side of the switch housing (58).

3. A screw thread lock according to claim 1, characterized in that: A front panel (52) is fixedly connected to an outer wall of one side of the base (51), a handle (53) is provided on the front panel (52), and the handle (53) is fixedly connected to one end of the main shaft (55).

4. A screw thread lock according to claim 1, characterized in that: Wiring holes (59) are provided on the other two outer walls of the switch housing (58) at positions corresponding to the fixing holes (510), and the wiring holes (59) are conductively connected to the fixing holes (510).

5. The screw lock according to claim 1, characterized in that: The rotating block (511) is provided with a groove (512).

6. A screw thread lock according to claim 1, characterized in that: A first fixing plate (54) is provided on the outer wall of the base (51), a first bolt (519) is sleeved on the first fixing plate (54), and the first bolt (519) is sleeved on the switch housing (58), a cover plate (520) is provided on one side of the switch housing (58), and the first bolt (519) is threadedly connected to the cover plate (520).

7. A screw lock according to claim 1, characterized in that: A connecting seat (10) is fixedly connected to the inner wall of the mounting shell (6), a lock core (12) is sleeved in the connecting seat (10), a lock head (9) is fixedly connected to the lock core (12), a connecting groove (13) is provided on the lock core (12), a fixing seat (14) is arranged on the inner wall of the connecting seat (10), a second spring (16) and a contact (17) are arranged in the fixing seat (14), a conducting column (15) is arranged on one side of the second spring (16), and the contact (17) is sleeved in the conducting column (15), the conducting column (15) is arranged in the connecting groove (13), and a connecting head (11) is arranged on the outer wall of the connecting seat (10).

8. A screw thread lock according to claim 7, characterized in that: A mounting seat (7) is fixedly connected to the inner wall of the mounting shell (6), a battery (8) is fixedly connected inside the mounting seat (7), a charging port (29) is provided on the battery (8), and the charging port (29) is sleeved on the mounting shell (6).

9. A screw thread lock according to claim 9, characterized in that: The second fixing plates (27) are fixedly connected to the outer walls of both sides of the installation shell (6), the second fixing plates (27) are sleeved with fixing screws (28), and the fixing screws (28) are threadedly connected to the cabinet door (3), a rear panel (19) is provided on one side of the installation shell (6), a second bolt (20) is sleeved on the rear panel (19), a sleeve (18) is provided on the inner wall of the installation shell (6) at a position corresponding to the second bolt (20), and the second bolt (20) is threadedly connected in the sleeve (18).

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