CN221010518U

CN221010518U - Top cover structure of detector

Info

Publication number: CN221010518U
Application number: CN202322431768.1U
Authority: CN
Inventors: 姚敏
Original assignee: New Cosmos Electric Shanghai Co Ltd
Current assignee: New Cosmos Electric Shanghai Co Ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-05-24
Anticipated expiration: 2033-09-07

Abstract

The utility model discloses a top cover structure of a detector, which relates to the technical field of top cover sealing of the detector and comprises a top cover body, a gasket and a clamping ring, wherein a supporting part for supporting glass is arranged in the top cover body, a drainage groove is formed in the supporting part, the gasket is arranged in the drainage groove and partially protrudes out of the drainage groove, and the clamping ring is also arranged in the top cover body and is used for extruding the glass on the supporting part. Through the setting of drainage groove and packing ring to with the high 0.5 ~ 1mm that is higher than of packing ring of drainage groove, make the packing ring can offset with glass, can form effectual blocking to the sealant, the sealant can not spill outward through the packing ring.

Description

Top cover structure of detector

Technical Field

The utility model relates to the technical field of detector top cover sealing, in particular to a top cover structure of a detector.

Background

When designing the explosion-proof gas detector with the visual window, the gap between the toughened glass and the upper cover of the shell needs to be filled with glue according to the explosion-proof requirement. When the epoxy resin material with poor fluidity is used for filling, the problem of resin overflow is not required to be considered, and the sealant is usually filled in the gap between the glass and the upper cover directly during the filling. However, when a thinner sealing material is used for filling, the sealing material is liable to leak out of the gap between the upper cover and the glass. In order to solve the problem of glue overflow in a gap between glass and an upper cover, the utility model provides a top cover structure of a detector.

Disclosure of utility model

The utility model aims to provide a top cover structure of a detector, which is used for solving the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a top cap structure of detector, includes top cap body, packing ring and snap ring, this internal supporting part that is used for supporting glass that has of top cap, the drainage groove has been seted up on the supporting part, the packing ring locate in the drainage groove and partial outstanding in the drainage groove, this internal still being equipped with of top cap the snap ring, the snap ring is used for with glass extrudees on the supporting part.

Preferably, the top cover body comprises a base and a side wall arranged on the base, and the supporting part is positioned in the side wall.

Preferably, the upper end of the gasket is 0.5-1 mm higher than the drainage groove.

As a further preferred aspect, the snap ring is disposed in the side wall and is screwed with the side wall.

As a further preferable mode, the base further comprises connecting lugs, wherein the outer edge of the base is provided with a plurality of connecting lugs, and each connecting lug is provided with a connecting hole.

As a further preference, the upper end of the gasket is 1mm higher than the drainage groove.

Preferably, the gasket is annularly arranged.

The technical scheme has the following advantages or beneficial effects:

According to the utility model, through the arrangement of the drainage groove and the gasket, and the height of the gasket is 0.5-1 mm higher than that of the drainage groove, the gasket can be propped against glass, so that the sealant can be effectively blocked, and the sealant cannot overflow outwards through the gasket.

Drawings

FIG. 1 is a schematic view of the structure of the top cover of the detector of the present utility model;

FIG. 2 is an exploded schematic view of the top cover structure of the detector of the present utility model;

FIG. 3 is a schematic explosion diagram of a top cover structure of the detector of the present utility model;

fig. 4 is a cross-sectional view of the cap structure of the detector of the present utility model without the snap ring.

In the figure: 1. a top cover body; 101. a support part; 102. drainage grooves; 103. a base; 104. a side wall; 105. a connecting lug; 106. a connection hole; 2. a gasket; 3. a clasp; 4. glass.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

FIG. 1 is a schematic view of the structure of the top cover of the detector of the present utility model; FIG. 2 is an exploded schematic view of the top cover structure of the detector of the present utility model; FIG. 3 is a schematic explosion diagram of a top cover structure of the detector of the present utility model; fig. 4 is a cross-sectional view of the top cover structure of the detector in the present utility model when no snap ring is installed, and referring to fig. 1 to 4, a preferred embodiment of the top cover structure of the detector is shown, and the top cover structure of the detector includes a top cover body 1, a gasket 2 and a snap ring 3, wherein the top cover body 1 is provided with a supporting portion 101 for supporting glass 4, the supporting portion 101 is provided with a drainage groove 102, the gasket 2 is provided in the drainage groove 102 and partially protrudes out of the drainage groove 102, the top cover body 1 is further provided with the snap ring 3, and the snap ring 3 is used for extruding the glass 4 on the supporting portion 101. Referring to fig. 2, the top cover structure in this embodiment is installed at the window position of the detector and used as a visible window. Wherein, glass 4 (explosion-proof toughened glass) installs on the supporting part 101 in the top cap body 1, has seted up drainage groove 102 at the upper surface of supporting part 101 for in the sealed glue flowed into drainage groove 102 first, through the setting of drainage groove 102, can solve most glue overflows the problem. However, when the glue is excessively filled, the sealant can still cross the drainage groove 102 to cause glue overflow, at this time, the arrangement of the gasket 2 is matched, the upper end of the gasket 2 protrudes out of the drainage groove 102 and then directly contacts with the bottom surface of the glass 4, so that the sealant is effectively blocked, and the sealant can be prevented from overflowing from the gasket 2 and between the glass 4 and the top cover body 1.

Further, as a preferred embodiment, the top cover body 1 includes a base 103 and a side wall 104 disposed on the base 103, and the supporting portion 101 is located in the side wall 104. Referring to fig. 2, a base 103, a supporting portion 101 and a side wall 104 are integrally provided, the supporting portion 101 is a part of the top cover body 1, the base 103 and the side wall 104 are ring-shaped, and the provided side wall 104 is used for installing glass 4.

Further, as a preferred embodiment, the upper end of the gasket 2 is raised by 0.5 to 1mm above the drainage groove. In this embodiment, the upper end of the gasket 2 is 1mm higher than the drainage groove, and specific values can be selected according to the needs.

Further, as a preferred embodiment, the snap ring 3 is disposed in the side wall 104 and is screwed with the side wall 104. An internal thread is arranged on the inner peripheral wall of the side wall 104, an external thread is arranged on the outer peripheral wall of the snap ring 3, and the external thread and the internal thread are mutually matched to realize threaded connection between the snap ring 3 and the side wall 104. The snap ring 3 is in threaded connection with the side wall 104, so that the snap ring 3 can be conveniently detached.

Further, as a preferred embodiment, the base 103 further comprises a plurality of connection lugs 105, and a plurality of connection lugs 105 are disposed on the outer edge of the base 103, and each connection lug 105 is provided with a connection hole 106. Bolts or screws may be provided in the connection holes 106 for mounting the cap body 1 on the probe, and threaded holes matched with the bolts or screws are provided on the probe.

Further, as a preferred embodiment, the gasket 2 is provided in a ring shape. The gasket 2 in this embodiment may be an O-ring or a circular ring gasket 2, and the gasket 2 is made of NBR (nitrile rubber).

When the device is used, the top cover body 1 is installed on the detector, the gasket 2 is placed in the drainage groove 102, the glass 4 is placed on the gasket 2, the drainage groove 102 is filled with sealant, whether the drainage groove 102 is filled with sealant or not is confirmed, the sealant is supplemented to the part with poor filling, the sealant is added to be flush with the glass 4, waiting for 5-10 minutes, and the sealant filling tail end of the sealant forms a semi-solidified film like the contact surface of the gasket 2, so that leakage caused by the influence of extrusion force is reduced. And screwing the clamping ring 3 again, so that the clamping ring 3 pushes the glass 4 to press the gasket 2 until the glass 4 contacts the supporting part 101. The clamping ring 3 can press the outer edge of the glass 4 at the moment, so that the glass 4 is in closer contact with the gasket 2, and overflow of sealant is avoided.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. The utility model provides a top cap structure of detector, its characterized in that includes top cap body, packing ring and snap ring, this internal supporting part that is used for supporting glass that has of top cap, the drainage groove has been seted up on the supporting part, the packing ring locate in the drainage groove and partial outstanding in the drainage groove, this internal still being equipped with of top cap the snap ring, the snap ring is used for with glass extrusion is in on the supporting part.

2. The roof structure of claim 1, wherein the roof body includes a base and a side wall disposed on the base, the support being disposed within the side wall.

3. The roof structure of the detector as claimed in claim 1, wherein the upper end of the gasket is higher than the drainage groove by 0.5-1 mm.

4. The top cover structure of the detector of claim 2, wherein the snap ring is disposed within the side wall and is threadably coupled to the side wall.

5. The top cover structure of the detector according to claim 2, further comprising a plurality of connection lugs, wherein the plurality of connection lugs are arranged on the outer edge of the base, and each connection lug is provided with a connection hole.

6. A roof structure for a probe as claimed in claim 3, wherein the upper end of the gasket is 1mm above the drainage groove.

7. The detector head cover structure of claim 1, wherein the gasket is annularly disposed.