CN216020745U

CN216020745U - Damper with adjustable damping

Info

Publication number: CN216020745U
Application number: CN202121489731.9U
Authority: CN
Inventors: 赖清锋; 吴克麟; 陈良
Original assignee: Quanzhou Kefa Sanitary Ware Co ltd
Current assignee: Quanzhou Kefa Sanitary Ware Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-15
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a damper with adjustable damping, which comprises a shaft core, a shaft sleeve and an adjusting nut, wherein a damping cavity and an oil passing cavity are arranged in the shaft sleeve, the damping cavity and the oil passing cavity are separated by a partition plate, partition plates which extend inwards in the radial direction are symmetrically arranged in the damping cavity, the partition plates divide the damping cavity into two parts, one end of the shaft core is rotatably arranged in the damping cavity to form a rotating part, the other end of the shaft core extends out of the shaft sleeve to form a connecting part connected with a cover plate, piston plates which are used for dividing the damping cavity into a high-pressure cavity and a low-pressure cavity are symmetrically arranged on the rotating part of the shaft core, and the piston plates extend outwards in the radial direction from the shaft core so as to control the flow direction of a damping medium along with the rotation of the shaft core. The utility model controls the rotating speed of the shaft core by controlling the flow direction and the flow of the damping medium, thereby realizing that the toilet cover is slowly put down or slowly opened, and the size of the oil passing cavity can be adjusted by the adjusting nut, thereby slowing down the flow speed of the damping medium and further changing the damping force.

Description

Damper with adjustable damping

Technical Field

The utility model relates to the technical field of dampers, in particular to a damper with adjustable damping.

Background

Damping mechanism on the existing market mostly realizes damping function through the damping medium, form low pressure chamber and high-pressure chamber in the attenuator, promote the damping medium through the blade and change the flow direction, the in-process damping medium is slowly permeating to the high-pressure chamber from the low pressure chamber opening, thereby reach the purpose of the silence that falls slowly, although this kind of structure can realize that the toilet lid slowly puts down or slowly opens, however, these attenuators now, its damping force size is fixed, can't adjust, consequently can't adjust the damping force to the model of user or installation closestool, can't adapt to the demand of the different crowds of different occasions, application scope is little, the use that brings the customer is experienced relatively poorly. In addition, the existing damper with the blade damping structure has the defects that the blades cannot be fixedly installed with the shaft core, most of the blades need to be oiled and installed during assembly, and the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model provides the damping adjustable damper which is convenient to mount and dismount, can adjust the damping force according to the requirement so as to meet different requirements, has a wide application range and a stable and reliable slow-falling function.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a damping-adjustable damper comprises a shaft core, a shaft sleeve and an adjusting nut, wherein a damping cavity and an oil passing cavity are arranged in the shaft sleeve and are separated by a partition plate, partition plates which extend inwards in the radial direction are symmetrically arranged in the damping cavity, the partition plates divide the damping cavity into two parts, one end of the shaft core is rotatably arranged in the damping cavity to form a rotating part, the other end of the shaft core extends out of the shaft sleeve to form a connecting part which is connected with a cover plate, piston plates which are used for dividing the damping cavity into a high-pressure cavity and a low-pressure cavity are symmetrically arranged on the rotating part of the shaft core, and the piston plates extend outwards in the radial direction from the shaft core so as to control the flow direction of a damping medium along with the rotation of the shaft core;

the baffle plate is provided with a high-pressure hole for communicating the high-pressure cavity with the oil passing cavity and a low-pressure hole for communicating the low-pressure cavity with the oil passing cavity, and the adjusting nut is arranged in the oil passing cavity to adjust the size of the oil passing cavity so as to control the flow velocity of the damping medium between the high-pressure cavity and the low-pressure cavity to realize the adjustment of the damping force.

Furthermore, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely the damping force is small when the shaft core rotates clockwise, and the damping force is large when the shaft core rotates anticlockwise; the damping cavity is located piston piece anticlockwise one side and is the high pressure chamber, the damping cavity is located piston piece clockwise one side and is the low pressure chamber.

Furthermore, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely the damping force is small when the shaft core rotates clockwise, and the damping force is large when the shaft core rotates anticlockwise; the shaft diameter of the shaft core rotating part is gradually increased towards another piston piece along the clockwise direction by one of the piston pieces, the inner diameter of the separation plate is larger than the outer diameter of the rotating part on one side of the clockwise direction of the piston piece so as to form a first gap to conduct the low-pressure cavity and the high-pressure cavity, and the inner diameter of the separation plate and the outer diameter of the rotating part on one side of the anticlockwise direction of the piston piece are matched so as to block the communication of the low-pressure cavity and the high-pressure cavity.

Furthermore, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely the damping force is small when the shaft core rotates clockwise, and the damping force is large when the shaft core rotates anticlockwise; the piston plate is provided with blades in a buckled mode, the outer diameter of each blade is equal to the inner diameter of the shaft sleeve, the blades are provided with grooves for being buckled on the piston plate in an inverted mode, and the width of each groove is larger than that of the piston plate so that a second gap can be formed between the other side of each piston plate and the corresponding blade when the piston plate rotates clockwise or anticlockwise;

the piston plate is provided with a plurality of lugs extending outwards in the radial direction, the blade is provided with a square hole used for penetrating out the lugs, one side of the blade, which is positioned in the clockwise direction of the square hole, is provided with an oil return groove, and an oil return channel used for allowing damping media to pass through is formed between the oil return groove and the inner wall of the shaft sleeve so as to realize that the damping media in the low pressure cavity flows to the high pressure cavity in a single direction through the oil return channel when the piston plate rotates clockwise.

Further, in order to realize the rapid installation of the blades and the piston plates; the piston plate is provided with lugs at two sides, the lugs at two sides of the piston plate are provided with hooks extending inwards, and the square holes at two sides of the blade are internally provided with clamping blocks used for hooking the hooks so as to fixedly install the blade on the piston plate.

Further, in order to communicate the high pressure chamber and the low pressure chamber, so that the damping medium flows between the two chambers when the piston plate rotates; one side that lies in the damping chamber on the baffle is equipped with the oil groove of crossing that is used for communicateing low pressure chamber and high pressure chamber, cross the oil groove and be the arc structure and cross the centre of a circle and the coincidence of axle sleeve centre of a circle of oil groove, cross the one end and the low pressure hole coincidence of oil groove, cross the other end of oil groove and extend the setting towards high pressure hole one side, the arc length contained angle of crossing the oil groove is 90 degrees.

Furthermore, in order to ensure that the shaft core rotates smoothly in the shaft sleeve, the shaft core cannot be blocked; be equipped with on the baffle with the axle sleeve with the rotation hole of axle center, the inboard of axle core is equipped with the axial and outwards extends and is used for installing the pivot post in rotating the hole, the shape of pivot post suits with the shape in rotation hole in order to guarantee that the axle core rotates with the axle center of axle sleeve.

Furthermore, one end of the shaft core is rotatably arranged in the shaft sleeve, the sealing performance of the shaft sleeve is ensured, and the damping medium is prevented from leaking; the shaft sleeve is provided with a welding cover in threaded connection, the welding cover is used for fixing the rotating part of the shaft core in the shaft sleeve, a shaft hole used for penetrating out of the shaft core is formed in the welding cover, a first sealing ring is arranged between the welding cover and the shaft core, and a second sealing ring is arranged between the adjusting nut and the shaft sleeve.

Compared with the prior art, the utility model has the following advantages: the utility model controls the flow direction and flow of the damping medium to further control the rotation speed of the shaft core, thereby realizing that the toilet cover is slowly put down or slowly opened, the size of the oil passing cavity can be adjusted by the adjusting nut, the flow speed of the damping medium is slowed down, and the damping force is further changed.

Drawings

The utility model will be further illustrated with reference to the following examples with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a structural cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of a shaft core and a blade;

FIG. 5 is a cross-sectional view of the transverse structure of the present invention;

FIG. 6 is a schematic view of the state of the spindle at the beginning of counterclockwise rotation;

FIG. 7 is a schematic view showing a state in which the shaft core is rotating counterclockwise;

FIG. 8 is a schematic view showing the end of the counterclockwise rotation of the shaft core;

FIG. 9 is a schematic view of the axial core at the beginning of clockwise rotation;

FIG. 10 is a schematic view showing a state in which the shaft core is rotating counterclockwise;

fig. 11 is a schematic view of the state at the end of counterclockwise rotation of the shaft core.

In the figure: 1-an axial core; 11-a rotating part; 12-a connecting part; 13-a piston plate; 131-bumps; 132-hook; 133-a rotating shaft column; 2-shaft sleeve; 21-a damping chamber; 211-high pressure chamber; 212-a low pressure chamber; 22-oil passing cavity; 23-a separator; 231-low pressure holes; 232-high pressure hole; 233-oil passing groove; 234-rotation hole; 24-a divider plate; 3-adjusting the nut; 4-a first gap; 5-blade; 51-a groove; 52-square hole; 53-oil return tank; 54-a fixture block; 6-a second gap; 7-welding the cover.

Detailed Description

The utility model is described in detail below with reference to the drawings and specific examples:

the specific embodiment is as follows: as shown in fig. 1 to 11, the present embodiment provides a damper with adjustable damping, which includes a shaft core 1, a shaft sleeve 2 and an adjusting nut 3, wherein a damping chamber 21 and an oil passing chamber 22 are arranged in the shaft sleeve 2, the damping chamber 21 and the oil passing chamber 22 are separated by a partition plate 23, a partition plate 24 extending radially inward is symmetrically arranged in the damping chamber 21, the partition plate 24 divides the damping chamber 21 into two parts, one end of the shaft core 1 is rotatably mounted in the damping chamber 21 to form a rotating part 11, the other end of the shaft core 1 extends out of the shaft sleeve 2 to form a connecting part 12 for connecting with a cover plate, a piston plate 13 for dividing the damping chamber 21 into a high pressure chamber 211 and a low pressure chamber 212 is symmetrically arranged on the rotating part 11 of the shaft core 1, and the piston plate 13 is radially outwardly extended from the shaft core 1 so as to control the flow direction of a damping medium along with the rotation of the shaft core 1;

the baffle plate 23 is provided with a high pressure 232 for communicating the high pressure cavity 211 with the oil passing cavity 22 and a low pressure hole 231 for communicating the low pressure cavity 212 with the oil passing cavity 22, and the adjusting nut 3 is arranged in the oil passing cavity 22 to adjust the size of the oil passing cavity 22 and further control the flow rate of the damping medium between the high pressure cavity 211 and the low pressure cavity 212 to realize the adjustment of the damping force.

In the embodiment, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely, the damping force is small when the shaft core 1 rotates clockwise, and the damping force is large when rotating anticlockwise; the damping chamber 21 is a high pressure chamber 211 located on the counterclockwise side of the piston plate 13, and the damping chamber 21 is a low pressure chamber 212 located on the clockwise side of the piston plate 13.

In the embodiment, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely, the damping force is small when the shaft core 1 rotates clockwise, and the damping force is large when rotating anticlockwise; the shaft diameter of the rotating part 11 of the shaft core 1 is gradually increased from one piston piece 13 to the other piston piece 13 along the clockwise direction, the inner diameter of the partition plate 24 is larger than the outer diameter of the rotating part 11 on the clockwise direction side of the piston piece 13 to form a first gap 4 for communicating the low-pressure cavity 212 and the high-pressure cavity 211, and the inner diameter of the partition plate 24 and the outer diameter of the rotating part 11 on the counterclockwise direction side of the piston piece 13 are adapted to block the communication of the low-pressure cavity 212 and the high-pressure cavity 211.

In the embodiment, in order to realize quick rotation when lifting the toilet cover plate, the toilet cover plate slowly falls down when being put down, namely, the damping force is small when the shaft core 1 rotates clockwise, and the damping force is large when rotating anticlockwise; the piston plate 13 is buckled with the blade 5, the outer diameter of the blade 5 is equal to the inner diameter of the shaft sleeve 2, the blade 5 is provided with a groove 51 which is reversely buckled on the piston plate 13, and the width of the groove 51 is larger than that of the piston plate 13, so that a second gap 6 is formed between the other side of the piston plate 13 and the blade 5 when the piston plate 13 rotates clockwise or anticlockwise;

the piston plate 13 is provided with a plurality of radially outwardly extending protrusions 131, the blade 5 is provided with a square hole 52 for penetrating through the protrusions 131, one side of the blade 5, which is clockwise relative to the square hole 52, is provided with an oil return groove 53, and an oil return passage for allowing damping media to pass through is formed between the oil return groove 53 and the inner wall of the shaft sleeve 2 so as to realize that the damping media in the low-pressure cavity 212 flows to the high-pressure cavity 211 in a one-way manner through the oil return passage when the piston plate 13 rotates clockwise.

In the embodiment, most of dampers with the blade 5 structure on the market have the blade 5 structure, the blade 5 cannot be fixedly installed with the shaft core 1, most of dampers need to be oiled and installed during assembly, the installation is troublesome, and the rapid installation of the blade 5 and the piston sheet 13 is realized; the protrusions 131 on the two sides of the piston plate 13 are provided with hooks 132 extending inward, and the square holes 52 on the two sides of the blade 5 are provided with locking blocks 54 for hooking the hooks 132 to fix the blade 5 on the piston plate 13.

In the present embodiment, in order to communicate the high pressure chamber 211 and the low pressure chamber 212, so that the damping medium flows between the two chambers when the piston disc 13 rotates; one side that lies in damping chamber 21 on the baffle 23 is equipped with the oily groove 233 of mistake that is used for communicateing low pressure chamber 212 and high pressure chamber 211, cross oil groove 233 and be the coincidence of the centre of a circle and the axle sleeve 2 centre of a circle of arc structure and mistake oil groove 233, cross the coincidence of the one end and the low pressure hole 231 of oil groove 233, cross the other end of oil groove 233 and extend the setting towards high pressure 232 one side, the arc length contained angle of crossing oil groove 233 is 90 degrees.

In the embodiment, in order to ensure that the shaft core 1 rotates smoothly in the shaft sleeve 2, the shaft core cannot be blocked; be equipped with on the baffle 23 with the axle sleeve 2 with the axle center rotate hole 234, the inboard of axle core 1 is equipped with the axial and outwards extends and is used for installing the pivot post 133 in rotating hole 234, the shape of pivot post 133 suits with the shape of rotating hole 234 in order to guarantee that axle core 1 rotates with the axle center of axle sleeve 2.

In the embodiment, in order to rotatably install one end of the shaft core 1 in the shaft sleeve 2, ensure the sealing performance of the shaft sleeve 2 and prevent the damping medium from leaking; the welding cover 7 used for fixing the rotating part 11 of the shaft core 1 in the shaft sleeve 2 is connected to the shaft sleeve 2 through threads, a shaft hole used for penetrating out of the shaft core 1 is formed in the welding cover 7, a first sealing ring is arranged between the welding cover 7 and the shaft core 1, and a second sealing ring is arranged between the adjusting nut 3 and the shaft sleeve 2.

The specific implementation process comprises the following steps: when the device is installed, the connecting part 12 is connected with the cover plate, the cover plate rotates to drive the shaft core 1 to rotate, when the shaft core 1 rotates clockwise, the blade 5 is driven to rotate clockwise, the piston sheet 13 is tightly attached to the inner wall of the clockwise side of the groove 51 of the blade 5, the second gap 6 between the piston sheet 13 and the inner wall of the anticlockwise side of the groove 51 is opened, damping media in the low-pressure cavity 212 flow to the high-pressure cavity 211 through the second gap 6 from the oil return groove 53, and meanwhile, the damping media in the low-pressure cavity 212 flow to the high-pressure cavity 232 from the low-pressure hole 231 through the oil cavity 22; when the shaft core 1 continues to rotate until the piston plate 13 is positioned at the oil passing groove 233, the damping medium in the low-pressure cavity 212 directly flows to the high pressure 232 from the oil passing groove 233, at this time, the first gap 4 is opened, and the damping medium in the low-pressure cavity 212 on the other side of the partition plate flows to the high pressure 232 through the second gap 6, so that the damping medium in the low-pressure cavity 212 quickly flows to the high pressure 232;

when the shaft core 1 rotates anticlockwise, the blade 5 is driven to rotate anticlockwise, the piston sheet 13 is tightly attached to the inner wall of the anticlockwise side of the groove 51 of the blade 5, the second gap 6 is closed, the damping medium in the high-pressure cavity 211 cannot flow to the low-pressure cavity 212 from the second gap 6, at the moment, the damping medium in the high-pressure cavity 211 can only flow to the low-pressure cavity 212 from the oil passing groove 233, the oil passing cavity 22 and the first gap 4, when the shaft core 1 continues to rotate until the piston plate 13 leaves the oil passing groove 233, the damping medium in the high pressure chamber 211 cannot flow from the oil passing groove 233 to the low pressure chamber 212, at this time, the first gap 4 is reduced, the flow rate of the damping medium in the high pressure chamber 211 flowing to the low pressure chamber 212 through the first gap 4 is reduced, the damping medium in the high pressure chamber 211 can only flow to the low pressure chamber 212 through the oil passing chamber 22, at this time, the flow rate of the damping medium can be controlled by adjusting the size of the oil passing cavity 22 through the adjusting nut 3, so that the rotating speed of the shaft core 1 is controlled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the utility model, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An adjustable damping attenuator which characterized in that: the damping device comprises a shaft core, a shaft sleeve and an adjusting nut, wherein a damping cavity and an oil passing cavity are arranged in the shaft sleeve and are separated by a partition plate, partition plates which extend inwards in the radial direction are symmetrically arranged in the damping cavity, the partition plates divide the damping cavity into two parts, one end of the shaft core is rotatably arranged in the damping cavity to form a rotating part, the other end of the shaft core extends out of the shaft sleeve to form a connecting part which is connected with a cover plate, piston plates which are used for dividing the damping cavity into a high-pressure cavity and a low-pressure cavity are symmetrically arranged on the rotating part of the shaft core, and the piston plates extend outwards in the radial direction from the shaft core so as to control the flow direction of a damping medium along with the rotation of the shaft core;

2. The adjustable damping damper of claim 1, wherein: the damping cavity is located piston piece anticlockwise one side and is the high pressure chamber, the damping cavity is located piston piece clockwise one side and is the low pressure chamber.

3. The adjustable damping damper of claim 2, wherein: the shaft diameter of the shaft core rotating part is gradually increased towards another piston piece along the clockwise direction by one of the piston pieces, the inner diameter of the separation plate is larger than the outer diameter of the rotating part on one side of the clockwise direction of the piston piece so as to form a first gap to conduct the low-pressure cavity and the high-pressure cavity, and the inner diameter of the separation plate and the outer diameter of the rotating part on one side of the anticlockwise direction of the piston piece are matched so as to block the communication of the low-pressure cavity and the high-pressure cavity.

4. The adjustable damping damper of claim 2, wherein: the piston plate is provided with blades in a buckled mode, the outer diameter of each blade is equal to the inner diameter of the shaft sleeve, the blades are provided with grooves for being buckled on the piston plate in an inverted mode, and the width of each groove is larger than that of the piston plate so that a second gap can be formed between the other side of each piston plate and the corresponding blade when the piston plate rotates clockwise or anticlockwise;

5. The adjustable damping damper of claim 4, wherein: the piston plate is provided with lugs at two sides, the lugs at two sides of the piston plate are provided with hooks extending inwards, and the square holes at two sides of the blade are internally provided with clamping blocks used for hooking the hooks so as to fixedly install the blade on the piston plate.

6. The adjustable damping damper of claim 1, wherein: one side that lies in the damping chamber on the baffle is equipped with the oil groove of crossing that is used for communicateing low pressure chamber and high pressure chamber, cross the oil groove and be the arc structure and cross the centre of a circle and the coincidence of axle sleeve centre of a circle of oil groove, cross the one end and the low pressure hole coincidence of oil groove, cross the other end of oil groove and extend the setting towards high pressure hole one side, the arc length contained angle of crossing the oil groove is 90 degrees.

7. The adjustable damping damper of claim 1, wherein: be equipped with on the baffle with the axle sleeve with the rotation hole of axle center, the inboard of axle core is equipped with the axial and outwards extends and is used for installing the pivot post in rotating the hole, the shape of pivot post suits with the shape in rotation hole in order to guarantee that the axle core rotates with the axle center of axle sleeve.

8. The adjustable damping damper of claim 1, wherein: the shaft sleeve is provided with a welding cover in threaded connection, the welding cover is used for fixing the rotating part of the shaft core in the shaft sleeve, a shaft hole used for penetrating out of the shaft core is formed in the welding cover, a first sealing ring is arranged between the welding cover and the shaft core, and a second sealing ring is arranged between the adjusting nut and the shaft sleeve.