Damper with toilet lid self-standing temporary positioning function

Abstract

The damper with the toilet lid self-standing temporary positioning function comprises an oil cavity cylinder, a shaft core and a gland, a cover plate is turned over to be in an upright state, and when a protruding part of an elastic piece abuts against a receding groove and skims over a blocking step to enter a positioning groove, the protruding part blocks and supports the blocking step so that the cover plate can be locked in the opened upright state. According to the rotary buffer, extremely simple parts are used, the structure of an existing rotary buffer is utilized, and the elastic piece used for elastically positioning the shaft core when the cover plate is turned over is simply fixed to the gland on the matched rotating part of the gland and the shaft core, so that the rotary buffer is prevented from falling off when the shaft sleeve of the cover plate is turned over by 90 degrees without damping; the toilet cover plate fixing device is low in manufacturing cost, reliable and practical, an elastic pin mechanism does not need to be additionally installed on the fixing shaft or the hinged support, the production and assembly process of the toilet cover plate can be greatly simplified, the production efficiency of the toilet cover plate is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to a damper with the function of self-standing temporary positioning of a toilet cover. Background Art

[0002] When the toilet cover adopts a pivot hinge, its upper cover and cover sleeve are coaxially connected in series through a fixed shaft and a damping shaft. For example, the Chinese utility model patent (CN204016169U) discloses a temporary limit mechanism for the toilet cover, in which the spring pin mechanism 40 is arranged on the fixed shaft 20 instead of the rotary buffer 50; when the cover 10 is opened through an angle of 90 degrees to the upright state, the bead 410 of the spring pin mechanism 40 slides from the inner wall surface of the cover sleeve 11 into the slot 110, elastically positioning it so that the cover can be kept upright without rebounding and falling. For another example, when the toilet cover is hinged with a support plate seat, an axially retractable protrusion is arranged on the axial part of the sleeve of the hinge seat 10, and a clearance groove and a limit groove cooperating with the protrusion are arranged on the inner side of the cover sleeve in the rotation direction. There is a stopper between the clearance groove and the limit groove to drive the protrusion to retract. When the cover is opened and erected, the protrusion extends into the limit groove and is blocked by the stopper in its reverse rotation direction, realizing the self-erecting and anti-falling function of the cover. Then the problems existing in the anti-falling structure of the toilet cover are:

[0003] 1. The pin mechanism needs to be composed of a marble and a spring. When the cover is matched, the work of installing the marble and the spring on the fixed shaft or the hinge seat is time-consuming and laborious, which will increase the manufacturing cost of the cover and is not conducive to the market competitiveness of the product.

[0004] 2. It is necessary to manufacture an output flat shaft with a rotating buffer that rotates to an elastic positioning position when the cover is opened to prevent the cover from accidentally falling off. In this way, the assembly process of the cover articulated by the support hinge or the hinge seat hinge is simplified and the assembly efficiency of the cover is improved. Utility Model Content

[0005] The utility model provides a damper with the function of self-standing temporary positioning of a toilet cover, which can effectively solve the above problem.

[0006] The utility model is achieved in this way:

[0007] A damper with the function of self-standing and temporary positioning of the toilet lid, comprising an oil chamber cylinder, a shaft core and a gland. In the middle part of the axial direction of the shaft core, there is a flange ring sleeved and rotatably matched with the inner cavity opening of the oil chamber cylinder, and at the front end, there is a flat shaft section sleeved on the upper cover shaft sleeve or the seat ring shaft sleeve; on the circumferential side of the end of the flat shaft section, there is a convex ring rotatably matched with the shaft hole of the gland. An elastic sheet is embedded on the inner ring surface of the gland. The elastic sheet has a protruding part protruding from the inner ring surface of the gland. On the outer circumferential side of the convex ring, a positioning groove and an avoidance groove for avoiding the protruding part are formed at intervals in the rotation direction of the shaft core. Between the avoidance groove and the positioning groove, there is a blocking step protruding radially along the convex ring.

[0008] When the cover plate is turned to the upright state and the shaft core rotates synchronously, when the protruding part of the elastic sheet touches and passes over the blocking step from the avoidance groove and enters the positioning groove, the blocking step reversely blocks the protruding part to elastically limit the cover plate in the opened and upright state.

[0009] As a further improvement, the elastic sheet includes an integrally formed elastic plate part and an inlaid plate part, and the protruding part is located at the middle position of the elastic plate part; on the inner ring surface of the gland, there is an inlay part composed of a communicating embedding groove and a hole groove. The inlaid plate part of the elastic sheet is press-fitted into the embedding groove, the elastic plate part is located in the hole groove, and the protruding part thereon is aligned with the outer circumferential side of the convex ring.

[0010] As a further improvement, the elastic sheet further includes an arc-shaped anti-detachment part integrally formed between the elastic plate part and the inlaid plate part. On the bottom wall of the hole groove away from the embedding hole, there is a column in contact with the inner side of the arc-shaped anti-detachment part.

[0011] The beneficial effects of the present utility model are as follows:

[0012] The present utility model uses extremely simple parts, utilizes the structure of the existing rotary buffer, and simply fixes an elastic sheet for elastically positioning the shaft core when the cover plate is turned over on the gland at the rotating and matching part between the gland and the shaft core. When the cover plate shaft sleeve rotates without damping and turns up more than 90 degrees, the cover plate will not accidentally fall because the shaft core is elastically positioned and braked by the elastic sheet on the rotary buffer. The present utility model has low manufacturing cost, is reliable and practical. Since there is no need to additionally install a spring pin mechanism on the fixed shaft or the hinge seat, the production and assembly process of the toilet cover plate can be greatly simplified, the production efficiency of the toilet cover plate can be improved, and the production cost can be reduced. Description of the Drawings

[0013] Figure 1 is the assembly schematic diagram showing the overall structure assembly relationship of the present utility model;

[0014] Figure 2 is the structural schematic diagram of the elastic sheet of the present utility model;

[0015] Figure 3 is the assembly schematic diagram of the elastic sheet embedded in the gland of the present utility model;

[0016] Figure 4 It is a schematic structural diagram of the shaft core of the present utility model;

[0017] Figure 5 It is a schematic structural diagram of the damper when the cover plate of the present utility model is in the opened and upright state and the turned-down and closed state.

[0018] The reference signs in the figure are as follows:

[0019] 10. Elastic sheet; 11. Elastic plate part; 12. Inlaid plate part; 13. Protrusion part; 14. Arc-shaped anti-disengagement part;

[0020] 20. Pressing cover; 201. Shaft hole; 21. Inlaying part; 211. Hole groove; 212. Embedded groove; 22. Column;

[0021] 30. Rubber ring;

[0022] 40. Gasket ring;

[0023] 50. Shaft core; 51. Flat shaft section; 52. Convex ring; 53. Rest step; 54. Positioning groove; 55. Flange ring; 56. Clearance groove; 57. Rubber ring positioning groove;

[0024] 60. Oil chamber cylinder; 61. Inner cavity opening. Specific embodiments

[0025] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0026] As Figures 1 to 5 shown, a damper with a self-standing and temporary positioning function for a toilet lid includes an oil chamber cylinder 60, a shaft core 50 and a pressing cover 20. A flange ring 55 that is sleeved and rotationally matched with the inner cavity opening 61 of the oil chamber cylinder 60 is provided in the middle of the shaft core 50 axially. A flat shaft section 51 sleeved on the upper cover shaft sleeve or the seat ring shaft sleeve is provided at the front end. A convex ring 52 that is rotationally matched with the shaft hole 201 of the pressing cover 20 is fixedly provided on the circumferential side of the end of the flat shaft section 51. An elastic sheet 10 is embedded on the inner ring surface of the pressing cover 20. The elastic sheet 10 has a protrusion part 13 that protrudes out of the inner ring surface of the pressing cover 20. A positioning groove 54 and a clearance groove 56 for avoiding and making way for the protrusion part 13 are formed at intervals on the outer circumferential side of the convex ring 52 in the rotation direction of the shaft core 50. A rest step 53 that protrudes radially along the convex ring 52 is formed between the clearance groove 56 and the positioning groove 54. When the cover plate is opened to the upright state and the shaft core 50 rotates synchronously, when the protrusion part 13 of the elastic sheet 10 touches and passes over the rest step 53 from the clearance groove 56 and enters the positioning groove 54, the rest step 53 reversely blocks the protrusion part 13 to elastically limit the cover plate in the opened and upright state.

[0027] The structures of the various components of the present utility model will be described separately below.

[0028] As Figures 1 to 3 andFigure 5 As shown, the elastic piece 10 includes an integrally formed elastic plate portion 11 and an inlaid plate portion 12, and the convex portion 13 is located at the middle position of the elastic plate portion 11; the inner ring surface of the gland 20 is provided with an inlay portion 21 composed of a communicating groove 212 and a hole groove 211. The inlaid plate portion 12 of the elastic piece 10 is press-fitted into the groove 212, the elastic plate portion 11 is located in the hole groove 211, and the convex portion 13 thereon is aligned with the outer peripheral side of the convex ring 52; the elastic piece 10 further includes an arc-shaped anti-detachment portion 14 integrally formed between the elastic plate portion 11 and the inlaid plate portion 12. A column 22 that touches and presses the inner side of the arc-shaped anti-detachment portion 14 is fixedly provided on the bottom wall of the hole groove 211 away from the insertion hole. With such a design, the elastic piece 10 can be prevented from falling off the inlay portion 21, so as to enhance the installation stability of the elastic piece 10; the elastic piece 10 of the present application is a leaf spring product with elastic deformation ability.

[0029] It should be noted here that as Figure 5 shown, when the cover plate is in the upward rotation stroke, the convex portion 13 extends out of the inner ring surface of the gland 20 and rotates and moves along with the shaft core 50 in the clearance groove 56. The elastic piece 10 is not stressed during this process; when the convex portion 13 touches and passes over the blocking step 53 from the clearance groove 56, the convex portion 13 is subjected to the pressure of the blocking step 53, causing the elastic plate portion 11 to elastically retract into the hole groove 211. And when the convex portion 13 is rotationally aligned with the blocking step 53, the retraction degree of the elastic plate portion 11 is the largest; until the convex portion 13 completely enters the positioning groove 54 (the upward rotation angle of the cover plate exceeds 90 degrees), the elastic piece 10 elastically returns to its original position under its own elastic force. The convex portion 13 extending out of the inner ring surface of the gland 20 is blocked by the blocking step 53 in the reverse direction, and the cover plate can be elastically limited in the upright state.

[0030] Based on the structure of the existing rotary buffer, the present application only adds an elastic piece 10 on the inner ring surface of the gland 20 that can elastically position the shaft core 50, avoiding the accidental overturning when the cover plate is turned up without damping by more than 90 degrees. It has the advantages of simple structure, low manufacturing cost, high practicability and reliability, and eliminates the installation steps of adding complex mechanisms on the fixed shaft or hinge seat, thus simplifying the production process of the toilet cover plate.

[0031] The assembly of the present invention will be described below.

[0032] The gasket 40 is sleeved on the outer ring surface of the flange ring 55, and the rubber ring 30 is sleeved in the rubber ring 30 fixing groove on the circumference of the shaft core 50 between the convex ring 52 and the flange ring 55, so as to seal the inner cavity opening 61 of the flange ring 55 and the oil cavity cylinder 60. Then, the convex portion 13 of the elastic piece 10 on the gland 20 is aligned with the clearance groove 56 and pressed into the inner cavity opening 61, and finally fixed by wave soldering to complete the rapid assembly of the present application.

[0033] The working principle of the present invention will be described in detail below, as well as the opening and falling of the cover plate realized by applying the present invention.

[0034] During the process of flipping the cover to stand upright, the blocking step 53 on the shaft core 50 moves in the avoidance groove 56 with the rotation direction of the cover until it contacts the protrusion 13. The blocking step 53 applies pressure to the protrusion 13, causing the spring piece 10 to elastically retract into the hole groove 211. When the flipping angle of the cover is greater than 90 degrees, the blocking step 53 smoothly passes over the protrusion 13 and enters the positioning groove 54. The force applied to the cover is removed, and the cover drives the shaft core 50 to rotate and fall back under the action of gravity. The blocking step 53 rotates until it contacts the protrusion 13, and the blocking step 53 blocks the protrusion 13 in the reverse direction, ensuring that the cover will not fall back naturally when it is flipped to stand upright.

[0035] During the process of flipping the cover plate down and closing, the falling cover plate drives the shaft core 50 to rotate relative to the pressure cover 20, so that the protrusion 13 is elastically deformed and passes over the blocking step 53, and enters the avoidance groove 56 from the positioning groove 54. The avoidance groove 56 avoids the protrusion 13. At this time, the flipping angle of the cover plate is less than 90 degrees. Under the action of its own gravity, the cover plate can naturally fall back to the closed state.

[0036] The above embodiments are only used to illustrate the present invention, not to limit the present invention. A person skilled in the art may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention and be defined by the claims.

Claims

1. A damper with a toilet seat self-supporting temporary positioning function, comprising an oil chamber cylinder (60), a shaft core (50) and a gland (20), wherein the shaft core (50) is provided with a flange ring (55) in the axial middle part thereof, which is sleeved and rotatably matched with the inner opening (61) of the oil chamber cylinder (60), and a flat shaft section (51) sleeved on the upper cover sleeve or the seat ring sleeve at the front end thereof; characterized in that: A convex ring (52) is fixedly provided at the circumferential side of the end of the flat shaft section (51) and is rotatably matched with the shaft hole (201) of the pressure cover (20). A spring sheet (10) is embedded in the inner ring surface of the pressure cover (20). The spring sheet (10) has a protruding portion (13) protruding and extending out of the inner ring surface of the pressure cover (20). A positioning groove (54) and a clearance groove (56) are formed on the outer circumferential side of the convex ring (52) in a rotationally upward direction of the shaft core (50) to avoid the protruding portion (13). A blocking step (53) protruding along the radial direction of the convex ring (52) is formed between the clearance groove (56) and the positioning groove (54). The cover plate is flipped open to an upright state and the shaft core (50) is rotated synchronously. When the raised portion (13) of the spring sheet (10) contacts and passes over the blocking step (53) from the escape groove (56) and enters the positioning groove (54), the blocking step (53) blocks the raised portion (13) in the reverse direction, so that the cover plate is elastically limited in the flipped upright state.

2. A damper with a toilet seat self-supporting temporary positioning function as claimed in claim 1, characterized in that: The spring sheet (10) comprises an integrally formed spring plate portion (11) and a panel portion (12), and the raised portion (13) is located in the middle of the spring plate portion (11); the inner ring surface of the pressure cover (20) is provided with an embedded portion (21) consisting of a communicating embedded groove (212) and a hole groove (211); the panel portion (12) of the spring sheet (10) is pressed into the embedded groove (212), the spring plate portion (11) is located in the hole groove (211), and the raised portion (13) thereon is aligned with the outer peripheral side of the convex circular ring (52).

3. A damper with a toilet seat self-supporting temporary positioning function as claimed in claim 2, characterized in that: The spring piece (10) further comprises an arc-shaped anti-slip portion (14) integrally formed between the spring plate portion (11) and the panel portion (12), and a column (22) is fixedly provided on the bottom wall of the hole groove (211) away from the embedding hole and contacts the inner side of the arc-shaped anti-slip portion (14).

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