CN215726191U

CN215726191U - Dust-proof cover

Info

Publication number: CN215726191U
Application number: CN202121500102.1U
Authority: CN
Inventors: 杨康
Original assignee: Changzhou Youcheng Electronics Co ltd
Current assignee: Changzhou Youcheng Electronics Co ltd
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2022-02-01
Anticipated expiration: 2031-07-03

Abstract

The utility model discloses a dust cover which comprises a mounting plate and a dust guard plate, wherein the dust guard plate is movably clamped at the top end of the mounting plate, one side of the dust guard plate is fixedly connected with a connecting block, the middle part of the connecting block is provided with a circular through hole, two sliding plates are symmetrically arranged in the inner cavity of the circular through hole in a sliding manner, the opposite sides of the two sliding plates are fixedly connected with rotating rods, the opposite sides of the two sliding plates are fixedly connected with return springs, the top ends of the two sliding plates are provided with unlocking mechanisms, and the side edge of the top end of the mounting plate is provided with two fixed blocks. According to the utility model, by utilizing the arrangement of the connecting block, the fixed block, the sliding plate, the rotating rod and the reset spring between the mounting plate and the dust-proof plate and the use of the unlocking mechanism, the reset spring can be driven to compress by rapidly pressing the two sliding plates, so that the rotating rod is drawn out of the round hole of the fixed block and retracted into the connecting block, thereby rapidly completing the mounting and dismounting between the mounting plate and the dust-proof plate, improving the convenience of the mounting and dismounting, and simultaneously reducing the use cost.

Description

Dust-proof cover

Technical Field

The utility model relates to the field of dust covers, in particular to a dust cover.

Background

At present in the transmission course of resident's water, for the resident's of each family of better understanding water consumption, all can install the water gauge additional on resident's of each family conduit and carry out the water yield monitoring, and in order to keep the cleanness of water gauge dial, prevent that accumulational dust from influencing the observation of dial plate, generally all can be equipped with the shield on the water gauge and prevent dust to the number of degrees that people's better observation water gauge of being convenient for shows.

The shield that uses on the water gauge today generally comprises ring frame and dust guard, it is fixed with the water gauge through ring frame, the dust guard is articulated with ring frame, make the operator only need rotate the number of degrees that open the dust guard and can observe the water gauge, but in the shield now, articulated mostly be undetachable connection between ring frame and the dust guard, it needs to change the precious check dust guard to lead to dust guard in the shield or ring frame to damage the back, the loaded down with trivial details and the use cost of change have been increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a dust cap to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dust cover, includes mounting panel and dust guard, the dust guard activity joint is on the top of mounting panel, one side fixedly connected with connecting block of dust guard, circular through-hole has been seted up at the middle part of connecting block, the inner chamber of circular through-hole slides the symmetry and is provided with two slides, two the equal fixedly connected with dwang in one side that the slide deviates from, two one side fixedly connected with reset spring that the slide is relative, two the top of slide is provided with release mechanism, the avris on mounting panel top just is located two fixed blocks of the symmetrical fixedly connected with in both ends position department of connecting block, two the round hole of being connected with dwang activity interlude is seted up at the top of fixed block.

Preferably, the top end of the mounting plate is provided with a circular groove matched with the dust guard, the middle part of the circular groove is provided with a connecting through hole, the dust guard is movably and alternately connected with the circular groove, and the bottom end of the inner cavity of the circular groove is fixedly connected with a sealing gasket.

Preferably, the other side of the dustproof plate is fixedly connected with a fixed plate, the top end of the fixed plate is fixedly connected with a poking plate, and the top of the poking plate is provided with a poking hole.

Preferably, the avris on mounting panel top is that the equidistant a plurality of fixed through-holes that are equipped with of annular array, and is a plurality of fixed through-hole's cross section is the T style of calligraphy.

Preferably, the unlocking mechanism comprises a T-shaped sliding block, the bottom end of the T-shaped sliding block is fixedly connected with the top end of the sliding plate, and the top end of the T-shaped sliding block penetrates through a strip-shaped through hole formed in the top end of the connecting block and extends to the upper side.

Preferably, the inner cavity of the round hole formed in the top of the fixing block is fixedly connected with a rubber sleeve, and the inner wall of the rubber sleeve is connected with the outer wall of the rotating rod in a sliding and penetrating mode.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by utilizing the arrangement of the connecting block, the fixed block, the sliding plate, the rotating rod and the reset spring between the mounting plate and the dust-proof plate and matching with the use of the unlocking mechanism, the two sliding plates can be quickly pressed to drive the reset spring to compress, so that the rotating rod is drawn out of the round hole of the fixed block and retracted into the connecting block, thus the mounting plate and the dust-proof plate can be quickly assembled and disassembled, the convenience of assembly and disassembly is improved, and the use cost is reduced;

(2) according to the utility model, the arrangement of the T-shaped sliding blocks and the strip-shaped through holes is utilized, so that an operator only needs to press the two T-shaped sliding blocks in the same direction to drive the two sliding plates to move oppositely to extrude the return spring, and the convenience for disassembling and washing the position between the rotating rod and the fixed block is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

Fig. 3 is a side sectional structural schematic view of the connecting block of the present invention.

In the figure: 1. mounting a plate; 2. a dust-proof plate; 3. connecting blocks; 4. a fixed block; 5. a circular through hole; 6. a slide plate; 7. rotating the rod; 8. a return spring; 9. a strip-shaped through hole; 10. a T-shaped slider; 11. a rubber sleeve; 12. a fixing plate; 13. a poking plate; 14. a fixing through hole; 15. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a dust cover as shown in figures 1-3, which comprises a mounting plate 1 and a dust guard 2, wherein the dust guard 2 is movably clamped at the top end of the mounting plate 1, the top end of the mounting plate 1 is provided with a circular groove matched with the dust guard 2, the dust guard 2 is limited, so that the dust guard 2 can be better clamped on the mounting plate 1, the middle part of the circular groove is provided with a connecting through hole, an operator can see the scale surface of a water meter by opening the dust guard 2, the dust guard 2 is movably connected with the circular groove in an inserting way, and the bottom end of the inner cavity of the circular groove is fixedly connected with a sealing gasket 15, so that the sealing property between the dust guard 2 and the mounting plate 1 is improved;

one side of the dust guard 2 is fixedly connected with a connecting block 3, the middle part of the connecting block 3 is provided with a circular through hole 5, the inner cavity of the circular through hole 5 is symmetrically and slidably provided with two sliding plates 6, the opposite sides of the two sliding plates 6 are fixedly connected with a rotating rod 7, the opposite sides of the two sliding plates 6 are fixedly connected with a return spring 8, the top ends of the two sliding plates 6 are provided with unlocking mechanisms, the side of the top end of the mounting plate 1 and the positions at the two ends of the connecting block 3 are symmetrically and fixedly connected with two fixed blocks 4, the tops of the two fixed blocks 4 are provided with round holes movably and alternately connected with the rotating rod 7, the inner cavity of the round hole arranged at the top of the fixed block 4 is fixedly connected with a rubber sleeve 11, the inner wall of the rubber sleeve 11 is slidably and alternately connected with the outer wall of the rotating rod 7, so that a certain friction resistance is provided between the rotating rod 7 and the round holes on the fixed blocks 4, interference fit is formed, and the dust guard 2 is free from external force, after rotating to a certain position, the fixing device can keep relatively fixed;

the other side of the dustproof plate 2 is fixedly connected with a fixed plate 12, the top end of the fixed plate 12 is fixedly connected with a stirring plate 13, the top of the stirring plate 13 is provided with a stirring hole, the operation is convenient, then the dustproof plate 2 is pulled, so that the dustproof plate 2 can be conveniently rotated to be opened or closed, the side of the top end of the mounting plate 1 is provided with a plurality of fixing through holes 14 in an annular array at equal intervals, the cross sections of the fixing through holes 14 are T-shaped, and the mounting plate 1 can be conveniently fixed at the top end of the water meter by using external parts such as screws;

unlocking mechanism includes T type slider 10, and T type slider 10's bottom and slide 6's top fixed connection, some bar through-holes 9 and extend to the top are seted up on 3 tops of connecting block to T type slider 10's top, and the operator of being convenient for drives two slides 6 and removes in opposite directions simultaneously, reaches the effect of a quick unblock.

The working principle of the utility model is as follows: when an operator assembles the dust guard 2 and the mounting plate 1, the operator only needs to extrude two T-shaped sliding blocks 10 in the same direction, the T-shaped sliding blocks 10 move in the strip-shaped through holes 9 to drive the two sliding plates 6 to slide in the circular through holes 5 of the connecting block 3 in the opposite direction, so that the two sliding plates 6 extrude the return spring 8, the return spring 8 generates an elastic restoring force, the rotating rods 7 are driven to move in the opposite direction while the sliding plates 6 move to retract into the inner cavities of the circular through holes 5 of the connecting block 3, then the connecting block 3 is clamped between the two fixing blocks 4, the extrusion on the T-shaped sliding blocks 10 is released, the two sliding plates 6 are pushed to move in the opposite direction by the elastic restoring force of the return spring 8, the two rotating rods 7 extend out of the inner cavities of the circular through holes 5 and are inserted into the circular holes of the connecting block 3 finally, so as to realize the relative limit between the connecting block 3 and the fixing block 4, make dust guard 2 can rotate between two fixed blocks 4 on mounting panel 1 through connecting block 3, during the dismantlement, only need repeat above-mentioned operation make dwang 7 retract 5 inner chambers of circular through-hole and can dismantle easy operation convenience.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dust cover comprises a mounting plate (1) and a dust guard (2), and is characterized in that, the dust guard (2) is movably clamped at the top end of the mounting plate (1), one side of the dust guard (2) is fixedly connected with a connecting block (3), a circular through hole (5) is formed in the middle of the connecting block (3), two sliding plates (6) are symmetrically arranged in the inner cavity of the circular through hole (5) in a sliding manner, rotating rods (7) are fixedly connected to the opposite sides of the two sliding plates (6), a return spring (8) is fixedly connected to the opposite side of the two sliding plates (6), and an unlocking mechanism is arranged at the top end of the two sliding plates (6), the avris on mounting panel (1) top just is located two fixed blocks (4) of the both ends position department symmetry fixedly connected with on connecting block (3), two the round hole of being connected with dwang (7) activity interlude is seted up at the top of fixed block (4).

2. The dustproof cover according to claim 1, wherein a circular groove matched with the dustproof plate (2) is formed in the top end of the mounting plate (1), a connecting through hole is formed in the middle of the circular groove, the dustproof plate (2) is movably connected with the circular groove in an inserting mode, and a sealing gasket (15) is fixedly connected to the bottom end of the inner cavity of the circular groove.

3. The dustproof cover according to claim 1, wherein a fixed plate (12) is fixedly connected to the other side of the dustproof plate (2), a poking plate (13) is fixedly connected to the top end of the fixed plate (12), and a poking hole is formed in the top of the poking plate (13).

4. The dust cover according to claim 1, wherein the side of the top end of the mounting plate (1) is provided with a plurality of fixing through holes (14) in an annular array at equal intervals, and the cross section of the plurality of fixing through holes (14) is T-shaped.

5. The dust cover according to claim 1, wherein the unlocking mechanism comprises a T-shaped sliding block (10), the bottom end of the T-shaped sliding block (10) is fixedly connected with the top end of the sliding plate (6), and the top end of the T-shaped sliding block (10) penetrates through a strip-shaped through hole (9) formed in the top end of the connecting block (3) and extends to the upper side.

6. The dustproof cover according to claim 1, wherein a rubber sleeve (11) is fixedly connected to an inner cavity of a round hole formed in the top of the fixed block (4), and the inner wall of the rubber sleeve (11) is slidably and penetratingly connected with the outer wall of the rotating rod (7).