CN211481699U - Instrument shell capable of replacing abraded plastic observation window - Google Patents
Instrument shell capable of replacing abraded plastic observation window Download PDFInfo
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- CN211481699U CN211481699U CN202020153320.1U CN202020153320U CN211481699U CN 211481699 U CN211481699 U CN 211481699U CN 202020153320 U CN202020153320 U CN 202020153320U CN 211481699 U CN211481699 U CN 211481699U
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- observation window
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- top cover
- limiting rod
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Abstract
The utility model discloses an instrument housing that can change plastics observation window after wearing and tearing, including instrument housing main part, elasticity gasbag and fixture block, the top bolt fastening of instrument housing main part has the top cap main part, and the top of top cap main part is provided with plastics observation window main part, the camera obscura has been seted up to the inside of top cap main part, and the inside of camera obscura has seted up the gas storage bag, the spout has been seted up to the inside of top cap main part, and the inside of spout is provided with the gag lever post to be connected with reset spring between gag lever post and the top cap main part, the inside of top cap main part has seted up flutedly, and the inside of recess is provided with the movable block, the outside fixedly connected with fixture block of plastics observation window main part. This can carry out the instrument housing who changes to the plastics observation window after wearing and tearing can carry out convenient dismantlement to the plastics observation window of wearing and tearing in the use and change, has good sealing performance simultaneously, avoids influencing the normal work and the reading of instrument.
Description
Technical Field
The utility model relates to an instrument technical field specifically is an instrument housing that can change to the plastics observation window after wearing and tearing.
Background
The instrument is a device for reading and metering, is usually applied to the fields of electric power, automobiles and the like, and because parts inside the instrument are precise, an instrument shell is required to be used for wrapping and protecting the instrument in the use process of the instrument, but the instrument shell in the current market still has some defects, such as the defects;
1. most of the observation windows of the instrument shell are made of plastics or glass, and when the observation windows made of plastics are worn in the using process, the normal reading of the instrument is influenced, but most of the observation windows of the instrument shell in the current market are integrated with the shell, so that the observation windows are inconvenient to replace after being worn, and the whole shell needs to be replaced;
2. because the inside distribution of instrument has the precision circuit, but the leakproofness of instrument casing on the existing market is unsatisfactory, leads to inside dust and aqueous vapor get into the instrument from the seam department easily to influence the protection effect of instrument casing, there is certain use defect.
We have therefore proposed an instrument housing which allows replacement of worn plastic windows in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can change the instrument housing to the plastics observation window after wearing and tearing to solve the inconvenient problem unsatisfactory with sealed effect of changing the observation window of instrument housing on the existing market that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an instrument housing that can change plastics observation window after wearing and tearing, includes instrument housing main part, elasticity gasbag and fixture block, the top bolt fastening of instrument housing main part has the top cap main part, and the top of top cap main part is provided with plastics observation window main part to the inboard nested elasticity gasbag of top cap main part, the camera obscura has been seted up to the inside of top cap main part, and the inside of camera obscura has seted up the gas storage bag to the butt fusion has the air duct between gas storage bag and the elasticity gasbag, the spout has been seted up to the inside of top cap main part, and the inside of spout is provided with the gag lever post to be connected with reset spring between gag lever post and the top cap main part, the recess has been seted up to the inside of top cap main part, and the inside of recess is provided with the movable block.
Preferably, the plastic observation window main body is of a circular structure, is in clearance fit with the top cover main body, and is attached to the elastic air bag.
Preferably, the air storage bag is communicated with the elastic air bag through an air duct, and the elastic force of the air storage bag is smaller than that of the elastic air bag.
Preferably, the limiting rod is of a U-shaped structure, the limiting rod and the sliding groove form a sliding structure, and the limiting rod and the top cover main body form an elastic structure through a return spring.
Preferably, the movable block and the limiting rod are of an integrated structure, and the movable block and the groove form a clamping sliding structure.
Preferably, the lower surface of the clamping block is provided with a clamping groove, the clamping groove and the limiting rod form a clamping structure, the clamping block is of an L-shaped structure, and the clamping block and the plastic observation window main body are of an integrated structure.
Compared with the prior art, the beneficial effects of the utility model are that: this can carry out instrument housing that changes to the plastics observation window after wearing and tearing:
1. the plastic observation window main body and the inner side of the top cover main body can be detached, and the plastic observation window abraded in the using process can be detached and replaced conveniently and conveniently by the structure, so that the normal reading of the instrument is prevented from being influenced;
2. be provided with gas storage bag and elasticity gasbag, in plastics observation window main part installation, fixture block extrusion gas storage bag for gas in the gas storage bag passes through the air duct and gets into the elasticity gasbag, make the elasticity gasbag take place inflation deformation, thereby block up the concatenation seam between top cap main part and the plastics observation window main part, can effectively improve the leakproofness of meter housing through this structure, avoid inside dust or aqueous vapor etc. get into the casing, thereby influence the normal use of instrument, improved the practicality of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
fig. 2 is a schematic top view of the top cover main body of the present invention;
FIG. 3 is a schematic top view of the plastic observation window of the present invention;
FIG. 4 is a schematic side view of the stop lever of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. an instrument housing body; 2. a cap body; 3. a plastic viewing window body; 4. a hidden groove; 5. a gas storage bag; 6. an elastic air bag; 7. a chute; 8. a return spring; 9. a limiting rod; 10. a movable block; 11. a clamping block; 1101. a card slot; 12. an air duct; 13. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an instrument shell capable of replacing a worn plastic observation window comprises an instrument shell body 1, a top cover body 2, a plastic observation window body 3, a hidden groove 4, an air storage bag 5, an elastic air bag 6, a sliding groove 7, a reset spring 8, a limiting rod 9, a movable block 10, a clamping block 11, an air guide pipe 12 and a groove 13, wherein the top cover body 2 is fixed on the upper part of the instrument shell body 1 through bolts, the plastic observation window body 3 is arranged above the top cover body 2, the elastic air bag 6 is nested on the inner side of the top cover body 2, the hidden groove 4 is arranged inside the top cover body 2, the air storage bag 5 is arranged inside the hidden groove 4, the air guide pipe 12 is welded between the air storage bag 5 and the elastic air bag 6, the sliding groove 7 is arranged inside the top cover body 2, the limiting rod 9 is arranged inside the sliding groove 7, and the reset spring 8 is connected between the limiting rod 9 and the top cover body, recess 13 has been seted up to the inside of top cap main part 2, and the inside of recess 13 is provided with movable block 10, the outside fixedly connected with fixture block 11 of plastics observation window main part 3:
the plastic observation window main body 3 is of a circular structure, the plastic observation window main body 3 is in clearance fit with the top cover main body 2, the plastic observation window main body 3 is attached to the elastic air bag 6, and the worn plastic observation window main body 3 can be replaced at a later stage conveniently through the split structure of the plastic observation window main body 3 and the top cover main body 2;
the gas storage bag 5 is communicated with the elastic gas bag 6 through the gas guide tube 12, the elasticity of the gas storage bag 5 is smaller than that of the elastic gas bag 6, and the gas in the gas storage bag 5 can be extruded into the elastic gas bag 6 through the gas guide tube 12 by extruding the gas storage bag 5, so that the elastic gas bag 6 is elastically deformed, the elastic gas bag 6 is tightly attached to the plastic observation window main body 3, the sealing performance of the shell is improved, and the dustproof and waterproof purposes are achieved;
the limiting rod 9 is of a U-shaped structure, the limiting rod 9 and the sliding groove 7 form a sliding structure, the limiting rod 9 and the top cover main body 2 form an elastic structure through the reset spring 8, the limiting rod 9 can automatically reset through the elastic force of the reset spring 8, and the purpose of adjusting and controlling the position of the limiting rod 9 is achieved, so that the connection state of the limiting rod 9 and the clamping block 11 is controlled;
the movable block 10 and the limiting rod 9 are of an integrated structure, the movable block 10 and the groove 13 form a clamping sliding structure, and the limiting rod 9 can be driven to perform telescopic motion by pressing the movable block 10, so that the position of the limiting rod 9 can be conveniently adjusted;
The working principle is as follows: when the instrument shell capable of replacing the worn plastic observation window is used, firstly, as shown in fig. 1-4, the movable block 10 is pressed to enable the movable block 10 to slide downwards along the groove 13, at the moment, the movable block 10 drives the limiting rod 9 to slide along the sliding groove 7 and simultaneously extrude the return spring 8, at the moment, the limiting rod 9 is separated from the clamping block 11, then the air storage bag 5 pushes the clamping block 11 out of the blind groove 4 under the action of elasticity, so that the plastic observation window main body 3 rotates, at the moment, the clamping block 11 is separated from the clamping state with the top cover main body 2, and therefore the plastic observation window main body 3 can be detached;
as shown in fig. 1 and fig. 4-5, the plastic observation window main body 3 is in clearance fit with the top cover main body 2, so that the clamping block 11 corresponds to the position of the movable block 10, then the plastic observation window main body 3 is pressed, so that the clamping block 11 pushes the movable block 10, then the plastic observation window main body 3 is rotated, so that the clamping block 11 slides along the hidden slot 4, and the air storage bag 5 is simultaneously extruded, so that the gas in the air storage bag 5 enters the elastic air bag 6 through the air duct 12, so that the elastic air bag 6 is elastically deformed to clamp the plastic observation window main body 3, thereby improving the sealing performance of the shell, when the movable block 10 is staggered with the clamping block 11, the movable block 10 drives the limiting rod 9 to reset, so that the limiting rod 9 is in concave-convex fit with the clamping slot 1101, and the clamping block 11 is limited and fixed, thereby completing the replacement and installation.
To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a can carry out instrument housing who changes to plastics observation window after wearing and tearing, includes instrument housing main part (1), elasticity gasbag (6) and fixture block (11), its characterized in that: a top cover main body (2) is fixed on the upper part of the instrument shell main body (1) through bolts, a plastic observation window main body (3) is arranged above the top cover main body (2), an elastic air bag (6) is nested on the inner side of the top cover main body (2), a hidden groove (4) is arranged inside the top cover main body (2), an air storage bag (5) is arranged inside the hidden groove (4), and an air duct (12) is welded between the air storage bag (5) and the elastic air bag (6), a sliding chute (7) is arranged inside the top cover main body (2), a limiting rod (9) is arranged inside the sliding chute (7), a return spring (8) is connected between the limiting rod (9) and the top cover main body (2), a groove (13) is formed in the top cover main body (2), and a movable block (10) is arranged in the groove (13), and a clamping block (11) is fixedly connected to the outer side of the plastic observation window main body (3).
2. An instrument housing capable of replacing a worn plastic viewing window as defined in claim 1, wherein: the plastic observation window main body (3) is of a circular structure, the plastic observation window main body (3) is in clearance fit with the top cover main body (2), and the plastic observation window main body (3) is attached to the elastic air bag (6).
3. An instrument housing capable of replacing a worn plastic viewing window as defined in claim 1, wherein: the air storage bag (5) is communicated with the elastic air bag (6) through an air duct (12), and the elasticity of the air storage bag (5) is smaller than that of the elastic air bag (6).
4. An instrument housing capable of replacing a worn plastic viewing window as defined in claim 1, wherein: the limiting rod (9) is of a U-shaped structure, the limiting rod (9) and the sliding groove (7) form a sliding structure, and the limiting rod (9) and the top cover main body (2) form an elastic structure through a return spring (8).
5. An instrument housing capable of replacing a worn plastic viewing window as defined in claim 1, wherein: the movable block (10) and the limiting rod (9) are of an integrated structure, and the movable block (10) and the groove (13) form a clamping sliding structure.
6. An instrument housing capable of replacing a worn plastic viewing window as defined in claim 1, wherein: the lower surface of the clamping block (11) is provided with a clamping groove (1101), the clamping groove (1101) and the limiting rod (9) form a clamping structure, the clamping block (11) is of an L-shaped structure, and meanwhile the clamping block (11) and the plastic observation window main body (3) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020153320.1U CN211481699U (en) | 2020-02-05 | 2020-02-05 | Instrument shell capable of replacing abraded plastic observation window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020153320.1U CN211481699U (en) | 2020-02-05 | 2020-02-05 | Instrument shell capable of replacing abraded plastic observation window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211481699U true CN211481699U (en) | 2020-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020153320.1U Active CN211481699U (en) | 2020-02-05 | 2020-02-05 | Instrument shell capable of replacing abraded plastic observation window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211481699U (en) |
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2020
- 2020-02-05 CN CN202020153320.1U patent/CN211481699U/en active Active
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