CN211267360U

CN211267360U - Waterproof sealing structure of data acquisition instrument

Info

Publication number: CN211267360U
Application number: CN201922277858.3U
Authority: CN
Inventors: 赵璐瑶; 张亮; 包元锋; 胡辉
Original assignee: Hangzhou Ruhr Technology Co Ltd
Current assignee: Hangzhou Ruhr Technology Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-14
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a waterproof sealing structure of a data acquisition instrument, which comprises a box body and a box cover which is sealed by up and down involutory combination, wherein an elastic sealing ring is clamped between the upper end of the side wall of the box body and the lower end of the side wall of the box cover, a box body matching surface is arranged on the box body, and a box body bolt hole is communicated on the box body matching surface; correspondingly, a box cover matching surface is arranged on the box cover, box cover bolt holes are communicated on the box cover matching surface, matching surface sealing rings are connected to the positions, corresponding to the box cover matching surfaces, on the sealing rings, the matching surface sealing rings correspond to the sealing rings in a surrounding mode, the shape formed by the corresponding positions of the matching surface sealing rings corresponds to the shape adaptation of the box cover matching surface, and the box body bolt holes are located in the shape formed by the surrounding mode. The utility model has the advantages that: have more reasonable arrangement position and more optimized structure, can provide better waterproof sealing effect to the self characteristics of data acquisition appearance.

Description

Waterproof sealing structure of data acquisition instrument

Technical Field

The utility model belongs to the seal structure field specifically is a waterproof seal structure of data acquisition instrument.

Background

The data acquisition instrument is used for acquiring geological data and monitoring the change of landform and landform in the processes of large-scale earthwork excavation and building road and bridge construction. The data acquisition instrument usually comprises a rectangular box body and a box cover which is sealed in an up-down involutory manner, and equipment placed in the box body is electrical equipment and has waterproof requirements. Chinese patent document CN207133605U discloses "a data acquisition instrument" in 2018, 3/23, including the acquisition instrument box body, the box body inside fixed be provided with first cavity, the second cavity that can open by side drawing, first cavity in be provided with the mainboard, be provided with the power that is used for the power supply in the second cavity, the first cavity outside be provided with the input interface that multichannel and mainboard are connected, and first cavity, second cavity adopt encapsulating waterproof and mechanical waterproof structure. The utility model discloses simple structure has not only guaranteed waterproof nature, and the change power that moreover can be convenient fully satisfies the data acquisition demand of the different interface types in scene. And can also be through on-the-spot screen, cell-phone APP real-time supervision, very reliable convenient. The working environment of the data acquisition instrument is usually open air in the field, and water splashing is frequent due to natural precipitation and manual disturbance, so that the data acquisition instrument is designed with a necessary waterproof sealing structure. For sealing and water proofing, the data acquisition instrument is usually sealed between the box body and the box cover by a rubber sealing ring, and the structure of the data acquisition instrument is basically consistent with the sealing structure of a daily lunch box. In order to meet the opening and closing requirements of the box cover, matching surfaces are generally designed at the corner position of the box body and the corresponding position of the box cover, when the box cover and the box body are vertically combined, the upper matching surface and the lower matching surface are tightly attached, and a bolt pair penetrates through the matching surfaces to be fastened by threads. This presents a problem in that if the mating surface is within the sealing range of the seal ring, the gap between the bolt hole and the bolt can cause seal failure; if the matching surface is outside the sealing range of the sealing ring, the position of the matching surface can deform due to concentrated stress in the fastening process of the bolt pair, so that the sealing effect is influenced. Meanwhile, due to long-term field use, the temperature and the air pressure change greatly, the internal pressure of the data acquisition instrument after being sealed has obvious positive and negative changes, and the conventional sealing ring sealing structure also has the potential danger of leakage after being pressed.

Disclosure of Invention

The to-be-solved technical problem of the utility model is that, the sealing washer position of current data acquisition appearance is reasonable inadequately, and the structure is optimized inadequately, and sealed effect is unsatisfactory. Therefore the utility model provides a waterproof seal structure of data acquisition instrument has more reasonable arrangement position and more optimized structure, can provide better waterproof sealing effect to the self characteristics of data acquisition instrument.

In order to realize the purpose of the invention, the utility model adopts the following technical scheme: a waterproof sealing structure of a data acquisition instrument comprises a box body and a box cover which is sealed in an up-down involutory manner, wherein an elastic sealing ring is clamped between the upper end of the side wall of the box body and the lower end of the side wall of the box cover; correspondingly, a box cover matching surface is arranged on the box cover, box cover bolt holes are communicated on the box cover matching surface, matching surface sealing rings are connected to the positions, corresponding to the box cover matching surfaces, on the sealing rings, the matching surface sealing rings correspond to the sealing rings in a surrounding mode, the shape formed by the corresponding positions of the matching surface sealing rings corresponds to the shape adaptation of the box cover matching surface, and the box body bolt holes are located in the shape formed by the surrounding mode.

The waterproof sealing structure of the data acquisition instrument designed by the technical scheme comprises a box body, a box cover and a sealing ring, wherein the box cover is sealed in an up-and-down involutive mode, and the sealing ring is arranged between the box body and the box cover. The box body is usually rectangular, but the skilled person can also change other shapes according to the actual needs. The box body is provided with a box body matching surface, and if the box body is provided with a corner, the box body matching surface is usually arranged at the corner. Correspondingly, a box cover matching surface is arranged on the box cover, and the box cover matching surface and the box body matching surface are corresponding in position. The box cover matching surface and the box body matching surface are provided with bolt holes at corresponding positions, and the box cover matching surface and the box body matching surface can be fastened through a bolt pair so as to close and lock the box cover and the box body. The sealing ring of the embodiment not only is a closed ring matched with the shape of the side wall of the box body, but also comprises a plurality of sealing rings matched with the box body. The positions of the matching surface sealing rings correspond to the positions of the matching surface of the box body one by one, and the shape formed by the matching surface sealing rings and the corresponding positions of the sealing rings is matched and corresponds to the shape of the matching surface of the box cover, so that a composite structure comprising the sealing rings positioned in the middle and the sealing rings positioned on the periphery is formed. In the composite structure, the middle sealing ring can independently seal the parts inside the box body matching surface, and the matching surface sealing rings seal the box body matching surfaces where the sealing rings are respectively arranged. From this, the position at box body fitting surface place has formed inboard outside double sealing, has fabulous adaptability to the deformation that causes behind lid fitting surface, the box body fitting surface fastening, ensures that the seepage can not appear. The sealing ring with the matching surface can be designed in a connection mode with the sealing ring or in a separation mode, and the sealing ring can be selected by a person skilled in the art.

Preferably, a concave sealing ring mounting groove is formed in the upper end face of the side wall of the box body, a convex sealing rib is correspondingly arranged on the lower end face of the side wall of the box cover, and the sealing rib and the sealing ring mounting groove are in a corresponding inserting connection in a matched manner; the sealing ring is hermetically filled in a gap between the sealing rib and the sealing ring mounting groove. For the flexible sealing ring, the sealing ring is installed through the sealing ring installation groove, so that the positioning of the sealing ring can be facilitated, and the rapid use is facilitated. The lower end face of the side wall of the box cover is correspondingly provided with a lower convex sealing rib, and the sealing rib extends into the sealing ring mounting groove during buckling to extrude the sealing ring, so that the sealing ring is extruded and deformed, the gap is filled with the sealing rib, and a better sealing effect can be formed. The scheme is also suitable for matching structures of the matching surface sealing ring, the box body and the box cover. The following relates to the structure matching relationship of the sealing ring with the box body and the box cover, and is also applicable to the matching structure of the sealing ring with the box body and the box cover on the matching surface if no special description is provided.

Preferably, the cross section of the sealing ring mounting groove is in a shape that the groove bottom is an upward convex arc line; correspondingly, the cross section of the sealing ring is in an arc shape with a convex bottom edge; the arc line of the groove bottom of the sealing ring mounting groove is equal to the shape and the size of the upper convex arc line of the bottom edge of the sealing ring and the matching surface sealing ring. The tank bottom design with the sealing washer mounting groove is the pitch arc of epirelief to design the base of sealing washer for the same size pitch arc of same shape, can make the sealing washer form good self-align effect after putting into the sealing washer mounting groove, can keep accurate operating position when with the lid lock, avoid leading to sealed inefficacy because of the distortion.

Preferably, two side walls of the sealing ring mounting groove are vertical straight edges; correspondingly, the two side walls of the sealing ring are arc-shaped lines with the middle part inwards concave and the two ends outwards convex; the height of the side wall of the sealing ring mounting groove is equal to that of the side wall of the sealing ring. In this scheme, the both sides wall definition with the sealing washer mounting groove is vertical straight line, and defines the both sides wall definition of sealing washer as the pitch arc of middle indent, then can make the sealing washer fully warp when receiving the extrusion of the sealed muscle pressure in top, and the both sides wall deformation of sealing washer is the straight line, hugs closely with the lateral wall of sealing washer mounting groove.

Preferably, the top surface of the sealing ring is in the shape of an upwardly convex arc. The arc of epirelief can fully contact with the lower terminal surface of lid lateral wall, makes wholly can both be filled up by the sealing washer in the sealing washer mounting groove to improve sealed effect.

Preferably, a concave sealing rib insertion groove is formed in the top surface of the sealing ring, and the cross section shape of the sealing rib insertion groove is in interference fit with the cross section shape of the sealing rib. This scheme can insert the sealing rib in the sealing washer, forms the further extrusion deformation of sealing washer, produces higher sealed effect.

Preferably, the two side walls of the sealing rib are straight edges in the vertical direction, and the lower end of the sealing rib is in a downward convex arc shape; the opening above the sealing rib insertion groove is provided with a guide structure. By the design, the lower end of the sealing rib can be conveniently and quickly inserted into the sealing rib insertion groove, so that the operation efficiency is improved, and the sealing rib cannot be taken out when the box cover is opened.

To sum up, the beneficial effects of the utility model are that: have more reasonable arrangement position and more optimized structure, can provide better waterproof sealing effect to the self characteristics of data acquisition appearance.

Drawings

Fig. 1 is a top view of the box cover of the present invention.

Fig. 2 is a top view of the cartridge body of the present invention.

Fig. 3 is a schematic cross-sectional view of the case cover and the case body in a fastened state.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is a cross-sectional view of the seal ring of the present invention.

Fig. 6, 7 and 8 are assembly and use steps diagrams of the box cover, the box body and the sealing ring.

Wherein: 1 box cover, 11 sealing ribs, 18 box cover bolt holes, 19 box cover matching surfaces, 2 box bodies, 21 sealing ring installation grooves, 28 box body bolt holes, 29 box body matching surfaces, 3 sealing rings, 31 sealing rib insertion grooves, 311 sealing rib insertion groove bottoms, 32 sealing ring bottom edges, 33 sealing ring side edges, 34 sealing ring top surfaces and 39 matching surface sealing rings.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

The embodiment is a data acquisition instrument, wherein has used the utility model discloses a data acquisition instrument waterproof sealing structure, include as shown in figure 1 lid 1, the box body 2 and the sealing washer 3 that figure 2 is shown. The box body of the embodiment is a rectangle with left and right long and upper and lower wide, four corners of the rectangle are provided with bevel edges, and the outer sides of the bevel edges are provided with box body matching surfaces 29 protruding outwards. The middle part of the box body matching surface is provided with a box body bolt hole 28 which is vertically communicated. The corresponding position on the box cover corresponding to the box body is also provided with a box cover matching surface 19, and the corresponding position on the box cover matching surface is provided with a box cover bolt hole 18. The lateral wall of box body below is provided with a pair of installation ear as required, and what link up is equipped with cable joint and signal line joint on the lateral wall of box body top. And the cable joint and the signal line joint both adopt waterproof joints.

The seal ring of this example is made of elastic rubber, and has an octagonal shape corresponding to the shape of the upper end surface of the side wall of the case. 4 matching surface sealing rings 39 are also arranged, and each matching surface sealing ring corresponds to the position and the shape of a box body matching surface. In this example, the mating surface seal ring is integral with the seal ring.

After the box cover and the box body are buckled, the box cover and the box body can be fastened and closed by using the bolt pair to fasten threads through the box body bolt hole and the box cover bolt hole.

The buckling state of the box cover and the box body is shown in fig. 3 and 4. At the moment, the sealing ring is tightly clamped between the upper end surface of the side wall of the box body and the lower end surface of the side wall of the box cover, and a sealing effect is formed in the octagonal range of the box body; the matching surface sealing rings corresponding to the box body matching surfaces and the box cover matching surfaces are tightly clamped, a sealing effect is also formed, and sealing failure caused by stress deformation after the box body matching surfaces and the box cover matching surfaces are fastened through threads can be prevented.

The cross-sectional shape of the seal ring of this example is a generally quadrilateral shape, with the lower seal ring bottom edge 32 being an upwardly convex arc, the left and right seal ring side edges 33 being concave arcs, and the upper seal ring top surface 34 being an upwardly convex arc, as shown in fig. 5. A concave sealing rib insertion groove 31 is further formed in the top face of the sealing ring, and a guide structure with a large upper portion and a small lower portion is arranged at the opening position above the sealing rib insertion groove. The groove bottom 311 of the sealing rib insertion groove is approximately hemispherical.

Referring to fig. 6, a recessed seal ring mounting groove 21 is formed on the upper end surface of the side wall of the case body. In the sealing ring mounting groove of the embodiment, the groove bottom is an upward convex arc line, and the size of the arc line is equal to that of the bottom edge of the sealing ring. The two side walls of the sealing ring mounting groove are vertical straight edges and are equal to the side wall of the sealing ring in height. When the sealing ring is installed in the sealing ring installation groove, as shown in fig. 7, the bottom edge of the sealing ring is matched with the groove bottom of the sealing ring installation groove, and only the arc-shaped convex part of the top surface of the sealing ring is exposed out of the sealing ring installation groove. The lower end face of the side wall of the box cover is correspondingly provided with a downward convex sealing rib 11, the two side walls of the sealing rib are straight edges in the vertical direction, and the lower end of the sealing rib is in a downward convex arc shape. When the box cover is buckled with the box body, the sealing ribs protrude the downward part of the adaptation in the sealing ring mounting groove to extrude the sealing ring.

The steps of installing the waterproof sealing structure are shown in fig. 6, 7 and 8, firstly, as shown in fig. 6, the space positions of the box body, the box cover and the sealing ring are placed, then, as shown in fig. 7, the sealing ring is installed in the sealing ring installation groove in an adaptive manner, finally, as shown in fig. 8, the box cover is pressed downwards, the sealing rib is inserted into the sealing rib insertion groove and then continues to descend until the upper end surface of the side wall of the box body is tightly attached to the lower end surface of the side wall of the box cover up and down, at the moment, the sealing rib extrudes the sealing ring to be completely filled in the sealing ring installation groove, and.

The structure cooperation relation of above sealing washer and box body, lid not only encircles the design of round along the box body lateral wall, still is applied to the cooperation structure of fitting surface sealing washer and box body, lid equally, and here is no longer repeated.

Claims

1. A waterproof sealing structure of a data acquisition instrument comprises a box body (2) and a box cover (1) which is sealed in an up-down involutory mode, wherein an elastic sealing ring (3) is clamped between the upper end of the side wall of the box body and the lower end of the side wall of the box cover, a box body matching surface (29) is arranged on the box body, and a box body bolt hole (28) is communicated on the box body matching surface; correspondingly, a box cover matching surface (19) is arranged on the box cover, and a box cover bolt hole (18) is penetrated through the box cover matching surface; the box cover is characterized in that the positions, corresponding to the box cover matching surfaces, of the sealing rings are connected with matching surface sealing rings (39), the shape formed by the matching surface sealing rings and the positions, corresponding to the sealing rings, of the matching surfaces is matched and corresponding to the shape of the box cover matching surfaces, and the box body bolt holes are located in the shape formed by the matching surfaces.

2. The waterproof sealing structure of the data acquisition instrument according to claim 1, wherein the upper end surface of the side wall of the box body is provided with a concave sealing ring mounting groove (21), the lower end surface of the side wall of the box cover is correspondingly provided with a convex sealing rib (11), and the sealing rib and the sealing ring mounting groove are in a corresponding inserting connection in a matching manner; the sealing ring is hermetically filled in a gap between the sealing rib and the sealing ring mounting groove.

3. The waterproof sealing structure of the data acquisition instrument according to claim 2, wherein the cross-sectional shape of the mounting groove of the sealing ring is such that the groove bottom is an upwardly convex arc; correspondingly, the cross section of the sealing ring is in an arc shape with a convex bottom edge; the arc line of the groove bottom of the sealing ring mounting groove is equal to the shape and the size of the upper convex arc line of the bottom edge of the sealing ring.

4. The waterproof sealing structure of the data acquisition instrument according to claim 2 or 3, wherein two side walls of the sealing ring mounting groove are vertical straight edges; correspondingly, the two side walls of the sealing ring are arc-shaped lines with the middle part inwards concave and the two ends outwards convex; the height of the side wall of the sealing ring mounting groove is equal to that of the side wall of the sealing ring.

5. The waterproof and sealing structure of claim 4, wherein the top surface of the sealing ring is in the shape of an upward convex arc.

6. The waterproof sealing structure of the data acquisition instrument according to claim 5, wherein the top surface of the sealing ring is provided with a concave sealing rib insertion groove (31), and the cross-sectional shape of the sealing rib insertion groove is in interference fit with the cross-sectional shape of the sealing rib.

7. The waterproof and sealing structure of the data acquisition instrument according to claim 6, wherein the two side walls of the sealing rib are vertical straight edges, and the lower end of the sealing rib is in the shape of a circular arc protruding downwards; the opening above the sealing rib insertion groove is provided with a guide structure.