CN214888755U - Low-noise starting push rod - Google Patents

Abstract

The utility model discloses a low noise starts push rod, including setting up the outer tube of starting push rod and this inner tube of suit in the inner tube cavity, wherein: the cover is equipped with vibration/noise reduction subassembly between outer tube and the inner tube, wherein: the vibration/noise reduction assembly comprises an elastic part, can effectively reduce the noise generated by opening and closing the range hood, and is provided with a first elastic cushion retainer ring and a second elastic cushion retainer ring in a symmetrical mode on two sides of the elastic part for protecting the elastic part. The advantage of this patent is that reduce the lampblack absorber noise that opens and shuts, reduces the striking loss to further increase the life of lampblack absorber, and have the outstanding advantage of optimizing customer experience, promotion product image.

Description

Low-noise starting push rod

Technical Field

The utility model relates to a kitchen utensils and appliances class start-up push rod field, especially a low noise start-up push rod.

Background

In daily life, people can often open and close the lampblack absorber when washing or looking over the inside condition of lampblack absorber, practical starting push rod enables it easily to open and shut at this moment, and easy operation is convenient, compares moreover in dismantling cleanly laborsavingly with the hand.

But when starting push rod product on the market at present was opened and shut at the lampblack absorber, its nut and outer tube chock plug often can take place rigid collision, has not only reduced product life, still leads to leading to user experience to worsen, influences the product image.

Disclosure of Invention

The utility model aims to solve the technical problem that a low noise start push rod that rational in infrastructure, collision are gentle, the noise is low, long service life, user experience are better, the product image is better is provided to prior art defect.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a low noise starts push rod, including setting up the starting push rod in the inner tube intracavity and the outer tube of this inner tube of suit, wherein: the damping and noise-reducing component is sleeved between the outer pipe and the inner pipe. The technical scheme adopted also comprises the following steps:

the damping and noise reducing assembly is composed of a first elastic cushion check ring, an elastic part and a second elastic cushion check ring which are sequentially sleeved along the pushing direction of the starting push rod, wherein the first elastic cushion check ring and the second elastic cushion check ring are symmetrically arranged on two sides of the elastic part.

The first elastic cushion retainer ring is provided with at least 2 first elastic cushion retainer ring grooves and at least 1 first elastic cushion retainer ring raised line; at least 2 second elastic cushion retainer ring grooves 2 and at least 1 second elastic cushion retainer ring raised line are also arranged on the second elastic cushion retainer ring.

The number of the first elastic cushion retainer ring grooves and the second elastic cushion retainer ring grooves is 4, and the first elastic cushion retainer ring grooves and the second elastic cushion retainer ring grooves are in right-angle concave shapes; first cushion retaining ring sand grip and second cushion retaining ring sand grip number are 2, and are the outer convex of fish tail form.

The inner pipe is connected with the elastic piece through the clamping of the second elastic cushion retainer ring; the inner pipe is a hollow barrel-shaped structure.

The nut is installed in foretell inner tube outside, and nut periphery evenly distributed has a plurality of column strips, and the column strip is arranged side by side along the circumference, and the nut center is the nut hole, the circular fretwork in nut hole.

The elastic piece is connected with the outer pipe plug head in a clamping mode through the elastic cushion retaining ring, and the joint is fixed through the nut.

The inner contour of the outer tube chock plug is embedded with the outer contour of the nut, and bosses with holes are arranged on the upper side and the lower side of the outer tube chock plug; the first nut and the second nut have the same shape and structure.

The outer tube plug is provided with a push rod which is in a long and thin column shape.

The outer side of the push rod is hinged with the closing cover.

Compared with the prior art, the utility model relates to a low noise starts push rod, including setting up the outer tube of starting push rod and this inner tube of suit in the inner tube cavity, wherein: the cover is equipped with vibration/noise reduction subassembly between outer tube and the inner tube, wherein: the vibration/noise reduction assembly comprises an elastic part, can effectively reduce the noise generated by opening and closing the range hood, and is provided with a first elastic cushion retainer ring and a second elastic cushion retainer ring in a symmetrical mode on two sides of the elastic part for protecting the elastic part. The advantage of this patent is that reduce the lampblack absorber noise that opens and shuts, reduces the striking loss to further increase the life of lampblack absorber, and have the outstanding advantage of optimizing customer experience, promotion product image.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an exploded view of a portion of the components of FIG. 1;

FIG. 3 is a schematic view of the use state of FIG. 1;

fig. 4 is a schematic view of the entire state of fig. 1.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 2 are schematic structural views of the present invention, fig. 3 is a schematic view of an actual use of fig. 1, and fig. 4 is a schematic view of an overall state of fig. 1.

Wherein the reference numerals are: the damping and noise reducing device comprises a first nut 1, a columnar bar 11, a nut hole 12, a second nut 1b, a damping and noise reducing assembly 2, an elastic piece 21, a first elastic cushion retainer 22, a first elastic cushion retainer groove 22a, a first elastic cushion retainer convex strip 22b, a second elastic cushion retainer 23, a second elastic cushion retainer groove 23a, a second elastic cushion retainer convex strip 23b, an outer pipe 4, an outer pipe plug 41, a boss 41a, an inner pipe 5, a starting push rod 6, a closing cover 7, a nut rear end assembly 8, a plug 81, a jack 82, a ring member 83, a bolt 84, a gasket 85, a nut 86, a through hole 87, a third nut assembly 9, an upper plug 91, a lower plug 92 and a third nut 93.

As shown in fig. 1 to 4, a low noise starting push rod comprises a starting push rod 6 disposed in the cavity of an inner tube 5 and an outer tube 4 sleeving the inner tube 5, wherein: a damping and noise-reducing component 2 is sleeved between the outer pipe 4 and the inner pipe 5;

the vibration and noise reduction assembly 2 consists of a first elastic cushion retainer ring 22, an elastic part 21 and a second elastic cushion retainer ring 23 which are sequentially sleeved along the pushing direction of the starting push rod 6, wherein the first elastic cushion retainer ring 22 and the second elastic cushion retainer ring 23 are symmetrically arranged at two sides of the elastic part 21;

the first elastic cushion retainer ring 22 is provided with at least 2 first elastic cushion retainer ring grooves 22a and at least 1 first elastic cushion retainer ring convex strip 22 b; the second gasket retainer 23 is also provided with at least 2 second gasket retainer grooves 23a and at least 1 second gasket retainer rib 23 b.

The number of the first elastic cushion retainer ring grooves 22a and the number of the second elastic cushion retainer ring grooves 23a are 4, and the first elastic cushion retainer ring grooves and the second elastic cushion retainer ring grooves are in right-angle concave shapes; the number of the first elastic cushion retainer ring convex strips 22b and the number of the second elastic cushion retainer ring convex strips 23b are both 2, and the first elastic cushion retainer ring convex strips and the second elastic cushion retainer ring convex strips are in a fishtail shape.

The inner tube 5 and the elastic piece 21 are connected through the clamping of a second elastic cushion retainer ring 23; the inner tube 5 is a hollow barrel-shaped structure.

First nut 1 is installed in the 5 outsides of inner tube, and nut periphery evenly distributed has 8 column strips 11, and column strip 11 arranges side by side along the circumference, and 1 center of first nut is nut hole 12, and the circular fretwork in nut hole 12.

The elastic piece 21 and the outer tube plug 41 are engaged with each other by the elastic washer 22, and the joint is fixed by the second nut 1 b.

The inner contour of the outer tube plug 41 is embedded with the outer contour of the second nut 1b, and bosses 41a with holes are arranged on the upper side and the lower side of the outer tube plug 41; the second nut 1b has the same external structure as the first nut 1.

The outer tube plug 41 is provided with a push rod 6, and the push rod 6 is in a long and thin column shape.

The outer side of the push rod 6 is connected with the closing cover 7 through a hinge.

The left side of the first nut 1 is provided with a nut rear end component 8 for fixing the low-noise starting push rod, wherein a bolt 81 is inserted into an 82 insertion hole, a ring-shaped member 83 is sleeved into a through hole 87 and is fixed by a bolt 84, a gasket 85 and a nut 86 are positioned on the outer side of the bolt for positioning and connecting with a handle end, and the rear end component 8 enables the force transmission of the low-noise starting push rod to be stable and facilitates disassembly.

The outer side of the outer tube plug 41 is provided with a third nut component 9, wherein an upper bolt 91 and a lower bolt 92 are connected with the outer tube plug 41 through holes of bosses 41a arranged on the upper side and the lower side of the outer tube plug 41; when in use, the third nut elastically collides with the outer pipe plug head 41, so that noise is reduced, user experience is optimized, and product image is improved.

The embodiment provides a low-noise starting push rod, which is structurally shown in fig. 1 to 3 and comprises a first nut 1, a columnar bar 11, a nut hole 12, a second nut 1b, a vibration and noise reduction assembly 2, an elastic piece 21, a first elastic cushion retainer ring 22, a first elastic cushion retainer ring groove 22a, a first elastic cushion retainer ring convex strip 22b, a second elastic cushion retainer ring 23, a second elastic cushion retainer ring groove 23a, a second elastic cushion retainer ring convex strip 23b, an outer pipe 4, an outer pipe plug head 41, a boss 41a, an outer pipe plug head 41, an inner pipe 5, a starting push rod 6 and a closing cover 7. The function of the push rod is started, so that the door plate of the range hood is easy to open and close when the internal condition of the range hood is cleaned or checked, but in the opening and closing process, the nut and the outer pipe plug head are often in hard collision, so that the nut and the outer pipe plug head are damaged under the condition, and the service life of the range hood is shortened; meanwhile, the noise generated by hard collision during opening and closing can also cause the user experience to be poor, and the product image is influenced.

In this case, the above-mentioned problem can be solved by having a low noise actuating push rod. This practical mode that low noise starts push rod does: this low noise starts push rod and is applied to the kitchen scene. When the nut is used, the closing cover can be opened, the closing cover drives the outer pipe plug head to collide with the nut, and when the nut collides, the elastic piece plays a role in buffering, so that noise is reduced; simultaneously, for the protection elastic component, prevent that it from breaking, set up the cushion collar in the elastic component both sides, the cushion collar has played further cushioning effect when protecting the elastic component for the sound that produces with elastic collision further reduces, and traditional start push rod that does not have elastic component and cushion ring originally has produced apparent difference.

The number of the elastic pieces in the starting push rod can be set to be 1 or more according to the situation, and the number of the elastic washers can be set to be 1 or more. For example, a light-weight range hood can be provided with a group of elastic components; the medium-level range hood can be provided with two groups or 3 groups of elastic components; the weight type range hood can be gradually set to have more than 3 groups of poles; the elastic assembly can be split and combined according to the situation, and comprises but is not limited to a combination of 1 elastic element and 2 symmetrical elastic cushion retainer rings.

The low-noise starting push rod is wide in application range, can be used on other opening and closing appliances, and changes original hard collision into elastic collision through the elastic assembly. Such as blowers, clothes racks, etc.

None of the above-mentioned nor other similar variants depart from the scope of protection of the present patent.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a low noise starts push rod, including setting up start push rod (6) and the outer tube (4) of suit this inner tube (5) in inner tube (5) intracavity, characterized by: and a damping and noise-reducing component (2) is sleeved between the outer pipe (4) and the inner pipe (5).

2. A low noise activating push rod according to claim 1, wherein: the vibration and noise reduction assembly (2) is composed of a first elastic cushion retainer ring (22), an elastic part (21) and a second elastic cushion retainer ring (23) which are sequentially sleeved along the pushing direction of a starting push rod (6), wherein the first elastic cushion retainer ring (22) and the second elastic cushion retainer ring (23) are symmetrically arranged on two sides of the elastic part (21).

3. A low noise activating push rod according to claim 2, wherein: the first elastic cushion retainer ring (22) is provided with at least 2 first elastic cushion retainer ring grooves (22a) and at least 1 first elastic cushion retainer ring raised line (22 b); the second elastic cushion retainer ring (23) is also provided with at least 2 second elastic cushion retainer ring grooves (23a) and at least 1 second elastic cushion retainer ring raised line (23 b).

4. A low noise activating push rod according to claim 3, wherein: the number of the first elastic cushion retainer ring grooves (22a) and the number of the second elastic cushion retainer ring grooves (23a) are 4, and the first elastic cushion retainer ring grooves and the second elastic cushion retainer ring grooves are in right-angle concave shapes; the number of the first elastic cushion retainer ring convex strips (22b) and the second elastic cushion retainer ring convex strips (23b) is 2, and the first elastic cushion retainer ring convex strips and the second elastic cushion retainer ring convex strips are fishtail-shaped and convex.

5. A low noise activating push rod according to claim 4, wherein: the inner pipe (5) is connected with the elastic piece (21) through the clamping of a second elastic cushion retainer ring (23); the inner pipe (5) is a hollow barrel-shaped structure.

6. A low noise activating push rod according to claim 5, wherein: the nut is characterized in that a first nut (1) is installed on the outer side of the inner pipe (5), 8 columnar strips (11) are uniformly distributed on the periphery of the nut, the columnar strips (11) are arranged side by side along the circumference, a nut hole (12) is formed in the center of the first nut (1), and the nut hole (12) is circular and hollow.

7. A low noise activating push rod according to claim 6, wherein: the elastic piece (21) is connected with the outer pipe plug head (41) in a clamping mode through an elastic cushion retaining ring (22), and the joint is fixed through a second nut (1 b).

8. A low noise activating push rod according to claim 7, wherein: the inner contour of the outer tube plug head (41) is embedded with the outer contour of the second nut (1b), and bosses (41a) with holes are arranged on the upper side and the lower side of the outer tube plug head (41); the second nut (1b) has the same shape and structure as the first nut (1).

9. A low noise activating push rod according to claim 8, wherein: the outer tube plug head (41) is provided with a push rod (6), and the push rod (6) is in a slender column shape.

10. A low noise activating push rod according to claim 9, wherein: the outer side of the push rod (6) is hinged with the closing cover (7).

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