Automatic alarm device for abnormal water pressure of washing machine

Abstract

The utility model discloses an automatic alarm device for abnormal water pressure of a washing machine, and relates to the technical field of transmitters. The top of the bottom plate is provided with a transmitter body and an alarm, the top of the bottom plate is provided with a supporting shell, a limiting block is slidably and elastically matched in the supporting shell, a movable shell is slidably matched in the supporting shell, a cover plate is arranged on the movable shell, a driving structure is arranged in the cover plate, and a transmission structure is rotatably matched in the movable shell. And the transmission structure is matched with the driving structure. The driving structure drives the transmission structure, the transmission structure drives the limiting structure, the limiting structure and the limiting groove are matched to fix the position of the limiting block, meanwhile, the transmission structure can drive the driven structure, and therefore under the action of the driven structure, the connecting shell is not in contact with the control switch, and the situation that when the cover plate is detached, the cover plate is damaged is avoided. And in addition, under the cooperation of a limiting block and a transmission structure, the cover plate can be automatically reset when the cover plate is collided to be inclined.

Description

Technical Field

[0001] The utility model belongs to the field of transmitters, and in particular relates to an automatic alarm device for abnormal water pressure of a washing machine. Background Art

[0002] The water pressure transmitter is used to supply secondary instruments such as indicator alarms, recorders, and adjustment control switches for measurement, indication, and process regulation. The function of the pressure transmitter is to convert the measured pressure signal into a voltage output, and convert the digital signal through an analog / digital conversion circuit for the microcontroller to read and control.

[0003] The Chinese patent with the publication number CN219736658U discloses a water pressure transmitter, including a support plate and a cover plate, the upper end of the support plate is fixedly connected with two symmetrically arranged sleeves, the upper end of the support plate is provided with a transmitter body, the sleeve is provided with a connecting mechanism for connecting the cover plate, the connecting mechanism includes a support rod slidably connected in the sleeve, the upper end of the support rod is fixedly connected with a moving rod, and the end of the moving rod is fixedly connected to the bottom of the cover plate. The utility model sets a moving rod, when the cover plate falls or is removed without reason, the moving rod will drive the support rod to move in the sleeve, and under the traction of the connecting spring, the support rod drives the connecting block to contact the control switch to trigger the alarm, which can prevent someone from removing the cover plate without reason or when the cover plate falls, the alarm can remind people that the cover plate is removed, so as to timely alarm and dissuade the vandal, thereby improving the safety of the water pressure transmitter during use.

[0004] A water pressure transmitter in the above-mentioned comparative document cannot automatically reset its cover if the cover is accidentally knocked off or tilted, and can only be reset manually. In addition, it is not convenient to remove the cover when repairing the transmitter body, and when removing it, the connecting block will contact the control switch, causing the alarm to continue to sound.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an automatic alarm device for abnormal water pressure of a washing machine.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] An automatic alarm device for abnormal water pressure of a washing machine comprises a bottom plate, a transmitter body and an alarm are arranged on the top of the bottom plate, a support shell is arranged on the top of the bottom plate, a limit block is slidably and elastically matched in the support shell, a moving shell is slidably matched in the support shell, a cover plate is arranged on the moving shell, a driving structure is arranged in the cover plate, a transmission structure is rotatably matched in the moving shell, the transmission structure cooperates with the driving structure, and a control switch is arranged on the side of the moving shell;

[0009] A limiting structure is arranged in the limiting block, the transmission structure cooperates with the limiting structure, a limiting groove is arranged inside the supporting shell, the limiting groove cooperates with the limiting structure, a trapezoidal groove is arranged on one side of the limiting block, a connecting shell slides and elastically cooperates in the trapezoidal groove, the control switch cooperates with the connecting shell, a driven structure is arranged in the connecting shell, the driven structure cooperates with the transmission structure, a slot is arranged on the top of the limiting block, and the slot is adapted to the moving shell.

[0010] Optionally, the top of the cover plate is rotatably cooperated with a rotating cover, a lock is installed between the rotating cover and the cover plate, the driving structure includes a placement slot opened at the top of the base plate, a knob is rotatably cooperated in the placement slot, a mounting rod is installed at the bottom of the knob, a first bevel gear is installed at the bottom end of the mounting rod, a rotating rod is rotatably cooperated in the base plate, a second bevel gear and a third bevel gear are installed on the rotating rod, the second bevel gear and the first bevel gear are meshed with each other, and the third bevel gear cooperates with the transmission structure; the lock and the rotating cover can prevent the cover plate from being maliciously removed.

[0011] Optionally, the transmission structure includes a rotating rod rotatably engaged in the movable shell, a fourth bevel gear is installed at the top end of the rotating rod, a first gear is installed at the bottom end of the rotating rod, a first clamping plate and a second clamping plate are slidingly engaged in the movable shell, the first clamping plate and the second clamping plate are both provided with first teeth, the first gear and the first teeth are meshed with each other, the first teeth cooperate with the driven structure, and the first clamping plate cooperates with the limiting structure.

[0012] Optionally, the limiting structure includes a cavity arranged in the limiting block, a card slot is opened between the cavity and the slot, a main drive plate is slidably and rotatably engaged in the cavity, a secondary drive plate is slidably engaged in the cavity, a second gear is rotatably engaged in the cavity, second teeth are provided on the main drive plate and the secondary drive plate, the second teeth are meshed with the second gear, an entry and exit groove is opened on one side of the cavity, and the secondary drive plate slides and fits in the entry and exit groove.

[0013] Optionally, a sliding groove is provided on the side of the supporting shell, and the connecting shell slides in the sliding groove. The driven structure includes a rotatable fit in the connecting shell, and a connecting rod is rotatably fitted in the connecting shell. A third gear is installed on the side of the connecting rod, and the third gear is meshed with the first tooth. A rotating cylinder is rotatably fitted in the connecting shell, and a telescopic rod is fitted in the rotating cylinder thread. A synchronous belt is sleeved between the rotating cylinder and the connecting rod, and a through groove is provided between the connecting shell and the slot, and the through groove cooperates with the second clamping plate; synchronous wheels are installed on the rotating cylinder and the connecting rod, and the synchronous belt is sleeved on the synchronous wheel.

[0014] Optionally, a limit plate is installed on the top of the base plate, a mounting ring is installed on the side of the support shell, a reciprocating screw is rotatably engaged in the mounting ring, a fourth gear is installed at one end of the reciprocating screw, a rack is installed on the bottom of the cover plate, the rack is slidably engaged in the limit plate, the rack and the fourth gear are meshed with each other, a threaded ring is threaded on the reciprocating screw, and a cleaning roller is rotatably engaged on the lower end face of the threaded ring.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0016] The utility model drives the transmission structure through the driving structure, and the transmission structure drives the limiting structure, so that the limiting structure and the limiting groove cooperate to fix the position of the limiting block. At the same time, the transmission structure will drive the driven structure, so that under the action of the driven structure, the connecting shell is not in contact with the control switch, avoiding the problem that the alarm keeps sounding when the cover is disassembled, and under the cooperation of the limiting block and the transmission structure, the cover can be automatically reset when it is tilted.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of a water pressure transmitter according to an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of a cover plate according to an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of a support shell according to an embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of a support shell according to an embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of a limit block in one embodiment of the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Bottom plate; 2. Limit plate; 3. Alarm; 4. Support shell; 5. Cover plate; 6. Rack; 7. Mounting ring; 8. Reciprocating screw; 9. Fourth gear; 10. Threaded ring; 11. Cleaning roller; 12. Transmitter body; 13. Rotating cover; 14. Lock; 15. Synchronous belt; 16. Placement slot; 17. Knob; 18. First bevel gear; 19. Rotating rod; 20. Second bevel gear; 21. Third bevel gear; 22. Slot; 23. Moving shell; 24. Rotating rod; 25. Fourth bevel gear; 26. Limiting groove; 27. Control switch; 28. Slide groove; 29. ​​Limiting block; 30. Connecting shell; 31. First gear; 32. First clamping plate; 33. Second clamping plate; 34. Cavity; 35. Clamping groove; 36. Main drive plate; 37. Second gear; 38. Auxiliary drive plate; 39. Inlet and outlet groove; 40. Trapezoidal groove; 41. Through groove; 42. Connecting rod; 43. Third gear; 44. Rotating cylinder; 45. Telescopic rod.

[0026] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0027] The utility model will now be further described in detail with reference to the accompanying drawings.

[0028] See also Figure 1-5 As shown, in this embodiment, an automatic alarm device for abnormal water pressure of a washing machine is provided, comprising a bottom plate 1, a transmitter body 12 and an alarm 3 are installed on the top of the bottom plate 1, a support shell 4 is installed on the top of the bottom plate 1, a limit block 29 is slidably and elastically matched in the support shell 4, a moving shell 23 is slidably matched in the support shell 4, a cover plate 5 is installed on the moving shell 23, a driving structure is arranged in the cover plate 5, a transmission structure is rotatably matched in the moving shell 23, the transmission structure cooperates with the driving structure, and a control switch 27 is installed on the side of the moving shell 23;

[0029] A limiting structure is arranged in the limiting block 29, and the transmission structure cooperates with the limiting structure. A limiting groove 26 is provided inside the supporting shell 4, and the limiting groove 26 cooperates with the limiting structure. A trapezoidal groove 40 is provided on one side of the limiting block 29, and a connecting shell 30 is slidably and elastically matched in the trapezoidal groove 40. The control switch 27 cooperates with the connecting shell 30, and a driven structure is arranged in the connecting shell 30, and the driven structure cooperates with the transmission structure. A slot 22 is provided on the top of the limiting block 29, and the slot 22 is adapted to the moving shell 23.

[0030] One aspect of the application of this embodiment is: during use, when it is necessary to remove the cover plate 5, the cover plate 5 is pulled upwards, and then the driving structure drives the transmission structure, and the transmission structure drives the limiting structure, so that the limiting structure and the limiting groove 26 cooperate to fix the position of the limiting block 29. At the same time, the transmission structure will drive the driven structure, so that under the action of the driven structure, the connecting shell 30 is not in contact with the control switch 27, avoiding the problem that the alarm 3 keeps alarming when the cover plate 5 is removed, and with the cooperation of the limiting block 29 and the transmission structure, the cover plate 5 can be automatically reset when it is tilted.

[0031] See also Figure 1-2 As shown, the top of the cover plate 5 of this embodiment is rotatably matched with a rotating cover 13, and a lock buckle 14 is installed between the rotating cover 13 and the cover plate 5. The driving structure includes a placement groove 16 opened at the top of the base plate 1, and a knob 17 is rotatably matched in the placement groove 16. A mounting rod is installed at the bottom of the knob 17, and a first bevel gear 18 is installed at the bottom end of the mounting rod. A rotating rod 19 is rotatably matched in the base plate 1, and a second bevel gear 20 and a third bevel gear 21 are installed on the rotating rod 19. The second bevel gear 20 and the first bevel gear 18 are meshed with each other, and the third bevel gear 21 cooperates with the transmission structure; the lock buckle 14 is a door lock in the prior art.

[0032] Through the set driving structure, the lock buckle 14 is opened by using a key, and then the rotating cover 13 is opened, and then the knob 17 is rotated. The knob 17 drives the first bevel gear 18 to rotate through the mounting rod, and the rotation of the first bevel gear 18 drives the second bevel gear 20 to rotate. The rotation of the second bevel gear 20 drives the third bevel gear 21 to rotate through the rotating rod 19, and the rotation of the third bevel gear 21 drives the transmission structure to rotate.

[0033] See also Figure 1-4 As shown, the transmission structure of this embodiment includes a rotating rod 24 rotatably engaged in the moving shell 23, a fourth bevel gear 25 is installed at the top end of the rotating rod 24, a first gear 31 is installed at the bottom end of the rotating rod 24, a first clamping plate 32 and a second clamping plate 33 are slidingly engaged in the moving shell 23, the first clamping plate 32 and the second clamping plate 33 are both provided with first teeth, the first gear 31 is meshed with the first teeth, the first teeth are matched with the driven structure, and the first clamping plate 32 is matched with the limiting structure.

[0034] Through the transmission structure, the third bevel gear 21 rotates to drive the fourth bevel gear 25 to rotate, the fourth bevel gear 25 rotates to drive the first gear 31 to rotate through the rotating rod 24, and the first gear 31 rotates to drive the first clamping plate 32 and the second clamping plate 33 to move, thereby moving the first clamping plate 32 and the second clamping plate 33.

[0035] See also Figure 1-5 As shown, the limiting structure of this embodiment includes a cavity 34 arranged in the limiting block 29, a card slot 35 is opened between the cavity 34 and the slot 22, a main drive plate 36 is slidably and rotatably engaged in the cavity 34, a secondary drive plate 38 is slidably engaged in the cavity 34, a second gear 37 is rotatably engaged in the cavity 34, the main drive plate 36 and the secondary drive plate 38 are provided with second teeth, the second teeth and the second gear 37 are meshed with each other, an entry and exit groove 39 is opened on one side of the cavity 34, and the secondary drive plate 38 is slidably engaged in the entry and exit groove 39.

[0036] By means of the setting limiting structure, the second card plate 33 moves into the card slot 35, and the second card plate 33 squeezes the main driving plate 36 when it moves. The main driving plate 36 moves to drive the second gear 37 to rotate, and the second gear 37 rotates to drive the auxiliary driving plate 38 to slide into the cavity 34, thereby preventing the auxiliary driving plate 38 from affecting the limiting block 29 to drive the cover plate 5 to reset. When the cover plate is removed, the second card plate 33 moves and is collected into the movable shell 23, so that the main driving plate 36 is reset under the action of elastic force. When the main driving plate 36 is reset, it will drive the second gear 37 to rotate, and the second gear 37 rotates to drive the auxiliary driving plate 38 to slide into the entry and exit slot 39, and then enter the limiting slot 26 through the entry slot 39 to limit the limiting block 29.

[0037] See also Figure 1-5 As shown, a slide groove 28 is provided on the side of the support shell 4 of this embodiment, and the connecting shell 30 is slidably fitted in the slide groove 28. The driven structure includes a rotatable fit in the connecting shell 30, and a connecting rod 42 is rotatably fitted in the connecting shell 30. A third gear 43 is installed on the side of the connecting rod 42, and the third gear 43 is meshed with the first tooth. A rotating cylinder 44 is rotatably fitted in the connecting shell 30, and a telescopic rod 45 is fitted with the internal thread of the rotating cylinder 44. A synchronous belt 15 is sleeved between the rotating cylinder 44 and the connecting rod 42, and a through groove 41 is provided between the connecting shell 30 and the slot 22, and the through groove 41 is matched with the second clamping plate 33; synchronous wheels are installed on the rotating cylinder 44 and the connecting rod 42, and the synchronous belt 15 is sleeved on the synchronous wheels.

[0038] By means of the set driven structure, the first clamping plate 32 moves through the through slot 41 into the connecting shell 30. When the first clamping plate 32 moves, it drives the third gear 43 to rotate. The rotation of the third gear 43 drives the rotating cylinder 44 to rotate. The rotating cylinder 44 rotates to extend the telescopic rod 45, so that the telescopic rod 45 contacts the control switch 27, thereby preventing the connecting shell 30 from squeezing the button on the control switch 27, thereby avoiding the problem that the alarm 3 keeps sounding when the cover plate 5 is removed.

[0039] See also Figure 1 As shown, a limit plate 2 is installed on the top of the base plate 1 of this embodiment, a mounting ring 7 is installed on the side of the support shell 4, a reciprocating screw 8 is rotatably fitted inside the mounting ring 7, a fourth gear 9 is installed at one end of the reciprocating screw 8, a rack 6 is installed at the bottom of the cover plate 5, the rack 6 is slidably fitted in the limit plate 2, the rack 6 and the fourth gear 9 are meshed with each other, a threaded ring 10 is threadedly fitted on the reciprocating screw 8, and a cleaning roller 11 is rotatably fitted on the lower end surface of the threaded ring 10.

[0040] When the cover plate 5 moves, the rack 6 is driven to move, and the rack 6 is meshed with the fourth gear 9, thereby driving the fourth gear 9 to rotate. The rotation of the fourth gear 9 drives the reciprocating screw 8 to rotate, and the rotation of the reciprocating screw 8 drives the threaded ring 10 to move on the reciprocating screw 8. While reciprocating, the threaded ring 10 drives the cleaning roller 11 to clean the outer wall of the transmitter body 12, thereby eliminating the need for manual cleaning, thereby improving the practicability of the device.

[0041] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. An automatic alarm device for abnormal water pressure of a washing machine, characterized by: include: A base plate (1), a transmitter body (12) and an alarm (3) are mounted on the top of the base plate (1), a support shell (4) is mounted on the top of the base plate (1), a limit block (29) is slidably and elastically matched in the support shell (4), a moving shell (23) is slidably matched in the support shell (4), a cover plate (5) is mounted on the moving shell (23), a driving structure is arranged in the cover plate (5), a transmission structure is rotatably matched in the moving shell (23), the transmission structure cooperates with the driving structure, and a control switch (27) is mounted on the side of the moving shell (23); A limiting structure is arranged in the limiting block (29), the transmission structure cooperates with the limiting structure, a limiting groove (26) is arranged inside the support shell (4), the limiting groove (26) cooperates with the limiting structure, a trapezoidal groove (40) is arranged on one side of the limiting block (29), a connecting shell (30) is slidably and elastically matched in the trapezoidal groove (40), the control switch (27) cooperates with the connecting shell (30), a driven structure is arranged in the connecting shell (30), the driven structure cooperates with the transmission structure, a slot (22) is arranged on the top of the limiting block (29), and the slot (22) is adapted to the moving shell (23).

2. The automatic alarm device for abnormal water pressure of a washing machine according to claim 1, characterized in that: The top of the cover plate (5) is rotatably matched with a rotating cover (13), a lock buckle (14) is arranged between the rotating cover (13) and the cover plate (5), the driving structure comprises a placement groove (16) opened at the top of the bottom plate (1), a knob (17) is rotatably matched in the placement groove (16), a mounting rod is arranged at the bottom of the knob (17), a first bevel gear (18) is arranged at the bottom end of the mounting rod, a rotating rod (19) is rotatably matched in the bottom plate (1), a second bevel gear (20) and a third bevel gear (21) are arranged on the rotating rod (19), the second bevel gear (20) and the first bevel gear (18) are meshed with each other, and the third bevel gear (21) is matched with the transmission structure.

3. The automatic alarm device for abnormal water pressure of a washing machine according to claim 2, characterized in that: The transmission structure comprises a rotating rod (24) rotatably engaged in a moving shell (23), a fourth bevel gear (25) being mounted on the top end of the rotating rod (24), a first gear (31) being mounted on the bottom end of the rotating rod (24), a first clamping plate (32) and a second clamping plate (33) being slidably engaged in the moving shell (23), the first clamping plate (32) and the second clamping plate (33) being both provided with first teeth, the first gear (31) being meshed with the first teeth, the first teeth being engaged with a driven structure, and the first clamping plate (32) being engaged with a limiting structure.

4. The automatic alarm device for abnormal water pressure of a washing machine according to claim 3, characterized in that: The limiting structure comprises a cavity (34) arranged in the limiting block (29), a card slot (35) is provided between the cavity (34) and the slot (22), a main driving plate (36) is slidably and rotatably matched in the cavity (34), a secondary driving plate (38) is slidably matched in the cavity (34), a second gear (37) is rotatably matched in the cavity (34), the main driving plate (36) and the secondary driving plate (38) are provided with second teeth, the second teeth and the second gear (37) are meshed with each other, an entry and exit groove (39) is provided on one side of the cavity (34), and the secondary driving plate (38) is slidably matched in the entry and exit groove (39).

5. The automatic alarm device for abnormal water pressure of a washing machine according to claim 1, characterized in that: A slide groove (28) is provided on the side of the supporting shell (4), and the connecting shell (30) is slidably matched in the slide groove (28). The driven structure includes a connecting rod (42) that is rotatably matched in the connecting shell (30), and a third gear (43) is installed on the side of the connecting rod (42). The third gear (43) and the first gear are meshed with each other. A rotating cylinder (44) is rotatably matched in the connecting shell (30), and a telescopic rod (45) is matched with the internal thread of the rotating cylinder (44). A synchronous belt (15) is sleeved between the rotating cylinder (44) and the connecting rod (42). A through groove (41) is provided between the connecting shell (30) and the slot (22), and the through groove (41) is matched with the second clamping plate (33).

6. The automatic alarm device for abnormal water pressure of a washing machine according to claim 1, characterized in that: A limit plate (2) is installed on the top of the bottom plate (1), a mounting ring (7) is installed on the side of the support shell (4), a reciprocating screw rod (8) is rotatably mounted in the mounting ring (7), a fourth gear (9) is installed at one end of the reciprocating screw rod (8), a rack (6) is installed at the bottom of the cover plate (5), the rack (6) is slidably mounted on the limit plate (2), the rack (6) and the fourth gear (9) are meshed with each other, a threaded ring (10) is threadedly mounted on the reciprocating screw rod (8), and a cleaning roller (11) is rotatably mounted on the lower end surface of the threaded ring (10).

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