CN213145331U - Sealing device for water quality analyzer and analyzer - Google Patents
Sealing device for water quality analyzer and analyzer Download PDFInfo
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- CN213145331U CN213145331U CN202021863759.XU CN202021863759U CN213145331U CN 213145331 U CN213145331 U CN 213145331U CN 202021863759 U CN202021863759 U CN 202021863759U CN 213145331 U CN213145331 U CN 213145331U
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- sealing device
- quality analyzer
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Abstract
The utility model provides a sealing device, analysis appearance for water quality analysis appearance, sealing device are equipped with the through hole that supplies the bayonet joint to pass including setting up the sealing member at water quality analysis appearance box kneck and installing the connecting piece at the bayonet joint on the sealing member, follow the inner wall axial distribution sealing washer of through hole, simultaneously, set up the gomphosis piece at the sealing member periphery, the gomphosis piece encloses with the sealing member and closes and form a recess, and the connecting piece is in insert when the bayonet joint inserts the interface in the recess, and the bulge of connecting piece with gomphosis looks buckle. The utility model discloses a sealing device prevents external liquid along the clearance axial between bayonet joint and through hole inflow interface and bayonet joint junction, simultaneously, is convenient for utilize the buckle between connecting portion and the sealing member, prevents that the bayonet joint from droing.
Description
Technical Field
The utility model belongs to the technical field of environmental monitoring, a sealing device, analysis appearance for water quality analysis appearance is related to.
Background
With the maturity of automation control technology and exponential increase of the demand of chemical analysis application occasions, the online water quality analyzer is in the beginning of the last 30-40 years. The water quality analyzer is mainly used for monitoring the water quality of domestic water, sewage treatment and industrial process control.
The water quality analyzer comprises a box body and various detection elements arranged in the box body, wherein a power supply interface electrically connected with the various detection elements is arranged on the box body, a signal interface used for signal transmission with external equipment is also arranged on the box body, in the assembling process or the using process, a plug connector of a power supply line or a signal line is directly inserted into a corresponding interface, and a sealing structure does not exist in the connection part of the interface and the plug connector. When the water quality analyzer is in a humid environment, external liquid gradually permeates into the connection part or the box body of the connector and the plug connector through a connection gap between the connector and the plug connector, and the electric components are easily damaged.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a sealing device, analysis appearance for water quality analysis appearance for solve among the prior art external liquid easily permeate in both coupling parts or the box gradually through the joint gap between interface and the bayonet joint, easily cause the problem of the damage of electrical component.
To achieve the above and other related objects, the present invention provides a sealing device for a water quality analyzer, comprising,
the kneck of water quality analyzer's box is located to the sealing member be equipped with the through hole that supplies the bayonet joint to pass on the sealing member, the sealing member has:
a plurality of sealing rings axially distributed along the inner wall of the through hole,
the embedded parts are arranged around the periphery of the sealing element, one end of each embedded part is suspended, the suspended part of each embedded part and the sealing element are enclosed to form a groove for inserting the connecting element, and the suspended part of each embedded part or the sealing element is also provided with an embedded part in a protruding mode;
the connecting piece is arranged on the plug connector and is inserted into the groove when the plug connector is inserted into the interface,
the connecting piece is provided with a clamping part which is matched with the embedded part, the clamping part is provided with a protruding part, and the protruding part is buckled with the embedded part when the connecting piece is inserted into the groove.
In an embodiment of the present invention, the connecting member has a fixing plate, the fixing plate is provided with a through hole for inserting the plug, and the clamping member is disposed around the through hole.
In an embodiment of the present invention, a plurality of the locking members are connected to form a ring.
In an embodiment of the present invention, when the free portion of the engaging member is provided with the engaging portion in a protruding manner, a sealing ring is provided in the groove and on the sealing member for the free portion.
In an embodiment of the present invention, an accommodating groove for embedding the sealing ring is formed in the groove and on the sealing element of the suspended portion.
In an embodiment of the present invention, when the sealing ring is not compressed, the thickness of the sealing ring is greater than the depth of the accommodating groove.
In an embodiment of the present invention, the protrusion has a first tapered surface inclined toward the sealing member side, and the fitting portion has a second tapered surface opposite to the protrusion.
In an embodiment of the present invention, a side surface of the sealing member is bonded to the box body.
In an embodiment of the present invention, the hole wall of the through hole is bonded to the plug.
The utility model also provides a water quality analyzer, including the aforesaid sealing device.
As above, the utility model discloses a sealing device, analysis appearance for water quality analysis appearance, bayonet joint pass the perforating hole of sealing member after insert the interface, extrude the sealing washer in the perforating hole of sealing member after the grafting for separate into a plurality of sealed cavities with the radial clearance that forms after pegging graft between bayonet joint and the through hole, prevent external liquid along the clearance axial between bayonet joint and through hole inflow interface and bayonet joint junction with this.
The connector is arranged on the plug-in connector, after the protruding part of the connector completely enters the groove, the embedded part resets, the protruding part is buckled by the embedded part of the embedded part, the connector is prevented from being separated from the groove, and the plug-in connector is prevented from falling off.
Drawings
Fig. 1 shows a schematic interface diagram of a tank of a water quality analyzer.
Fig. 2 is a schematic cross-sectional view of a sealing member according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the plug according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of the connection between the sealing member and the connecting member according to the present invention.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention provides a water quality analyzer. The water quality analyzer mainly comprises a detection element and a box body 1 covered outside the detection element. An opening convenient for assembling each detection element is arranged on the box body 1, a box cover used for shielding the opening is further arranged on the box body 1, and the box cover can be rotatably connected with one end of the box body 1.
As shown in fig. 1, the detection element disposed in the box 1 needs to be powered by an external power source or signal line or transmit signals to the outside, and accordingly, the box 1 may be provided with an interface 2 into which a plug 4 for supplying power or signal line is inserted.
During the assembly or use of the water quality analyzer, especially after the power supply interface 2 is plugged with the plug 4, it is necessary to prevent external liquid, such as water, oil, chemical reagent, etc., from entering the connection portion between the interface 2 and the plug 4, so as to prevent short circuit or damage to the detection element by penetrating into the box 1.
In this embodiment, the water quality analyzer is provided with a sealing device, the sealing device comprises a sealing element 3 which can be arranged at the interface 2 of the water quality analyzer and a connecting element 5 which is arranged on the plug 4, wherein, as shown in fig. 2, one side end surface of the sealing element 3 can be fixed on the box body 1 by bonding or fastening by a fastening element and covers the interface 2, and a through hole 32 for the plug 4 to pass through is arranged on the sealing element 3. The wall of the through hole 32 is provided with a plurality of sealing rings 33, the plurality of sealing rings 33 are distributed along the axial direction of the through hole 32, when the plug 4 is inserted into the through hole 32 to extrude the sealing rings 33, the radial clearance formed after the plug between the plug 4 and the through hole 32 is divided into a plurality of sealing chambers by the plurality of sealing rings 33, so that outside liquid is prevented from axially flowing into the joint of the interface 2 and the plug 4 along the clearance between the plug 4 and the through hole 32.
In one embodiment, to facilitate the connection between the plug 4 and the sealing member 3, a connecting member 5 may be disposed on the plug 4, as shown in fig. 3, the connecting member 5 includes a fixing plate 51 and a plurality of clamping members 52 disposed around the periphery of the fixing plate 51, wherein the fixing plate 51 and the clamping members 52 may be integrally formed. A through hole for inserting the plug 4 is axially arranged on the fixed plate 51, the hole wall of the through hole is fixedly connected with the head of the plug 4 by using an adhesive, or the connecting piece 5 and the head of the plug 4 are integrally formed. The retainer 52 extends toward the seal 3, and a projection 53 projecting outward in the radial direction of the through hole is provided on the retainer 52, and the projection 53 has an end surface away from the seal 3 side and a first tapered surface inclined toward the seal 3 side.
Correspondingly, as shown in fig. 2, a plurality of embedded pieces 31 matched with the clamping pieces 52 are arranged on the sealing element 3 in a surrounding manner, one end of each embedded piece 31 is directly and fixedly connected with the outer wall of the sealing element 3, the other end of each embedded piece 31 is arranged in a suspended manner, the suspended part of each embedded piece 31 and the outer wall of the sealing element 3 are enclosed to form a groove 34 for inserting the connecting piece 5, and the suspended part of each embedded piece 31 is made of elastic materials. The side wall of the free portion of the fitting member 31 is provided with a fitting portion 311 that fits the projection 53 of the locking member 52, and the fitting portion 311 is locked with the projection 53 of the connector 5 after the connector 5 is inserted into the recess 34, thereby preventing the connector 5 from coming off the recess 34 and preventing the plug 4 from coming off.
As shown in fig. 2 and 4, the fitting portion 311 has a second tapered surface provided opposite to the projecting portion 53 and an end surface provided away from the side of the connector 5, and the first tapered surface and the second tapered surface may be provided in parallel, and the provision of the tapered surfaces plays a role of guiding when the connector 5 is initially inserted into the recess 34.
In an embodiment, as shown in fig. 2 and 4, in order to facilitate the connection between the plug 4 and the sealing member 3 and further improve the sealing performance of the sealing member 3, a plurality of clamping parts 52 may be connected to form a ring-shaped member, a receiving groove is formed in the outer wall of the sealing member 3, which is disposed in the groove 34 and opposite to the free portion of the engaging member 31, and a sealing ring 35 is embedded in the receiving groove, wherein the sealing ring 35 may be made of resin. Note that the seal ring 35 has a thickness greater than the depth of the receiving groove when uncompressed. When the connecting member 5 is inserted into the groove 34 and the seal ring 35 is compressed, the seal ring 35 is tightly fitted to the end face of the connecting member 5 in a compressed state. At this time, the sealing ring 35 forms a first sealing structure between the sealing element 3 and the connecting element 5, the sealing ring 33 in the through hole 32 forms a second sealing structure between the sealing element 3 and the connecting element 5, and the sealing performance between the interface 2 and the plug 4 is greatly improved through the two sealing structures.
The working principle is as follows:
as shown in fig. 2-4, the plug 4 insertion process: part of the plug 4 is inserted into the through hole 32 of the sealing member 3, and at this time, the first tapered surface of the connecting member 5 is attached to the second tapered surface of the fitting member 31; the insertion of the plug 4 is continued inwardly, and accordingly, the fitting member 31 is gradually pushed outwardly by the projection 53 of the connecting member 5; when the plug 4 is inserted into the connector 2 through the through hole 32, after the protrusion 53 of the connector 5 completely enters the groove 34, the fitting member 31 is restored, the fitting portion 311 of the fitting member 31 catches the protrusion 53, and the seal ring 35 is compressed in the receiving groove.
The plug 4 is pulled out: the fitting member 31 is turned outward until the fitting portion 311 of the fitting member 31 is separated from the projection 53 of the connector 5, and the plug 4 is pulled out from the connector 2.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A sealing device for a water quality analyzer is characterized by comprising,
the kneck of water quality analyzer's box is located to the sealing member be equipped with the through hole that supplies the bayonet joint to pass on the sealing member, the sealing member has:
a plurality of sealing rings axially distributed along the inner wall of the through hole,
the embedded parts are arranged around the periphery of the sealing element, one end of each embedded part is suspended, the suspended part of each embedded part and the sealing element are enclosed to form a groove for inserting the connecting element, and the suspended part of each embedded part or the sealing element is also provided with an embedded part in a protruding mode;
the connecting piece is arranged on the plug connector and is inserted into the groove when the plug connector is inserted into the interface,
the connecting piece is provided with a clamping part which is matched with the embedded part, the clamping part is provided with a protruding part, and the protruding part is buckled with the embedded part when the connecting piece is inserted into the groove.
2. The sealing device for a water quality analyzer according to claim 1, wherein: the connecting piece is provided with a fixing plate, a through hole for the insertion of the plug connector is formed in the fixing plate, and the clamping and stopping piece surrounds the through hole.
3. The sealing device for a water quality analyzer according to claim 2, wherein: a plurality of the clamping stop pieces are connected to form an annular piece.
4. A sealing device for a water quality analyzer according to claim 3, wherein: when the free portion of the fitting member is provided with the fitting portion in a projecting manner, a seal ring is provided in the groove and on a seal member for the free portion.
5. The sealing device for a water quality analyzer according to claim 4, wherein: and an accommodating groove for embedding the sealing ring is formed in the groove and on the sealing element relative to the suspended part.
6. The sealing device for a water quality analyzer according to claim 5, wherein: the seal ring has a thickness greater than the depth of the receiving groove when uncompressed.
7. The sealing device for a water quality analyzer according to claim 1, wherein: the projecting portion has a first tapered surface inclined toward the seal member side, and the fitting portion has a second tapered surface provided opposite to the projecting portion.
8. The sealing device for a water quality analyzer according to claim 1, wherein: and one side end face of the sealing element is bonded with the box body.
9. The sealing device for a water quality analyzer according to claim 2, wherein: the hole wall of the through hole is bonded with the plug connector.
10. A water quality analyzer, comprising the sealing device according to any one of the above 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863759.XU CN213145331U (en) | 2020-08-31 | 2020-08-31 | Sealing device for water quality analyzer and analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863759.XU CN213145331U (en) | 2020-08-31 | 2020-08-31 | Sealing device for water quality analyzer and analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145331U true CN213145331U (en) | 2021-05-07 |
Family
ID=75741933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021863759.XU Active CN213145331U (en) | 2020-08-31 | 2020-08-31 | Sealing device for water quality analyzer and analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145331U (en) |
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2020
- 2020-08-31 CN CN202021863759.XU patent/CN213145331U/en active Active
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