CN216771581U

CN216771581U - Test bin

Info

Publication number: CN216771581U
Application number: CN202220159084.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Quantaeye Beijing Technology Co ltd
Current assignee: Quantaeye Beijing Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-17
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of water quality detection equipment, in particular to a test chamber which comprises a base, a sealed chamber body and an osmotic membrane, wherein a test electrode is arranged in the sealed chamber body, the base is provided with a concave cavity, the osmotic membrane is arranged in the concave cavity, and the sealed chamber body is clamped and connected with the base so as to fix the osmotic membrane between the sealed chamber body and the base. The existing threaded connection mode is replaced by the insertion fixing mode. If the sealed cabin body and the base are in threaded connection, the sealed cabin body can crush the permeable membrane to be damaged when the sealed cabin body is locked finally. The mode of inserting and fixing is adopted in the application, the fixing is directly pressed, the screwing action is not adopted, and the damage to the permeable membrane can be effectively avoided.

Description

Test bin

Technical Field

The utility model relates to the technical field of water quality detection equipment, in particular to a test bin.

Background

The ammonia nitrogen in the water body is NH₃Or NH₄+ ammonium compound present in ionic form. Ammonia nitrogen is a form with the greatest harm influence among various types of nitrogen, is a sign of pollution of a water body, and has harm to the water ecological environment in multiple aspects. Therefore, the method has very important significance for detecting the ammonia nitrogen in the water body.

Present ammonia nitrogen detection device, the liquid that will await measuring produces the ammonia through the conversion, in the rethread osmotic membrane diffusion gets into the reaction cabin, present ammonia nitrogen detection device volume is great, hydrophobic membrane is great relatively and thick, intensity is higher, nevertheless along with water quality monitoring equipment's miniaturization, equipment becomes littleer and smaller, present hydrophobic membrane is thin and less, intensity is lower, adopt current hydrophobic membrane fixed mounting mode, the osmotic membrane is impaired in the installation more easily, influence the test accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing structure for water quality detection equipment, so as to solve the problems in the background technology.

In order to achieve the purpose, the technical scheme adopted by the utility model is to provide a test chamber which is characterized by comprising a base, a sealed chamber body and an osmotic membrane, wherein a test electrode is arranged in the sealed chamber body, the base is provided with a concave cavity, the osmotic membrane is arranged in the concave cavity, and the sealed chamber body is clamped and connected with the base so as to fix the osmotic membrane between the sealed chamber body and the base.

Furthermore, be provided with the elasticity buckle on the base, be equipped with the confession on the sealed cabin body the draw-in groove of elasticity buckle joint.

Further, the spacer ring is equipped with a plurality of elastic buckles on the base, correspond on the lateral wall of the sealed cabin body and be equipped with a plurality of draw-in grooves.

Further, the elastic buckle comprises an elastic body and a clamping head, the clamping head is suitable for being clamped in the clamping groove, and a guide inclined plane is arranged on one side of the top surface of the clamping head.

Further, still be equipped with the joint plane on the joint, the bottom surface of draw-in groove is the plane, the joint plane with the bottom surface of draw-in groove is laminated mutually.

Furthermore, the elastic body is convexly arranged on the base, and a groove is formed in the joint of the elastic body and the base.

Further, the sealing cabin body comprises a connecting seat, the clamping groove is formed in the top end of the connecting seat, a guide groove is formed in the bottom end of the connecting seat, and the guide groove and the clamping groove are arranged oppositely.

Further, a sealing ring is arranged between the permeable membrane and the sealed cabin body.

Furthermore, an opening for accommodating the test electrode is formed in the sealed cabin.

Furthermore, the test electrode comprises a support and two electrode plates, slots for inserting the electrode plates are formed in the support, and the two electrode plates are arranged at intervals.

The utility model has the beneficial effects that:

1. the sealing cabin body is suitable for being inserted and fixed in the concave cavity, and the existing threaded connection mode is replaced by adopting an inserting and fixing mode. If the sealed cabin body and the base are in threaded connection, the sealed cabin body can crush the permeable membrane to be damaged when the sealed cabin body is locked finally. The mode of inserting and fixing is adopted in the application, the fixing is directly pressed, the screwing action is not adopted, and the damage to the permeable membrane can be effectively avoided.

2. The elastic buckle comprises an elastic body and a clamping head, the clamping head is suitable for being clamped in the clamping groove, and a guide inclined plane is arranged on one side of the top surface of the clamping head. When the sealing cabin body is inserted into the cavity, the guide inclined plane on the clamping joint is firstly abutted against the side wall of the sealing cabin body, the clamping joint is pressed and inserted along with the continuation of the sealing cabin body, and under the guide effect of the guide inclined plane, the position of the clamping joint deviates to drive the elastic body to deform. After the sealed cabin body is pressed in place, the clamping head slides to the clamping groove position, the clamping head loses the abutting effect of the side wall of the sealed cabin body at the moment, and the clamping head is clamped in the clamping groove under the elastic action of the elastic body.

3. The sealing cabin body comprises a connecting seat, a clamping groove is formed in the top end of the connecting seat, a guide groove is formed in the bottom end of the connecting seat, and the guide groove and the clamping groove are arranged oppositely. In the process that the cavity was advanced in the connecting seat plug, the last direction inclined plane of joint earlier with the lateral wall butt of connecting seat, along with the continuation of connecting seat press down insert, under the guide effect on direction inclined plane, the joint position takes place the skew and then drives the elastomer and takes place deformation. Through set up the guide way on the connecting seat, can carry out preliminary direction removal to the joint, and then make things convenient for its joint in the draw-in groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a test chamber according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of a test chamber according to an embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a test electrode used in a test chamber according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 11. elastic buckle; 111. an elastomer; 112. clamping a connector; 1121. a guide slope; 1122. clamping a plane; 12. a concave cavity; 13. a groove; 2. sealing the cabin body; 21. a card slot; 22. a connecting seat; 23. a guide groove; 24. an opening; 3. a permeable membrane; 4. a test electrode; 41. a support; 411. a slot; 42. an electrode sheet; 43. an arcuate slot; 431. a notch; 432. and (4) sharp corners.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, the test chamber provided as an embodiment of the present invention includes a base 1, a sealed chamber 2, and an osmotic membrane 3, a test electrode 4 is disposed in the sealed chamber 2, the base 1 is provided with a cavity 12, the osmotic membrane 3 is disposed in the cavity 12, and the sealed chamber 2 is connected to the base 1 in a clamping manner to fix the osmotic membrane 3 between the sealed chamber 2 and the base 1. The existing threaded connection mode is replaced by the insertion fixing mode. If the sealed cabin 2 and the base 1 are connected by screw threads, the sealed cabin 2 may crush the permeable membrane 3 and damage it when finally locked. The mode of inserting and fixing is adopted in the application, the fixing is directly pressed, the screwing action is not adopted, and the damage to the permeable membrane 3 can be effectively avoided.

Specifically, the sealed housing 2 is provided with an opening 24 for receiving the test electrode 4. Be equipped with the sealing washer between osmotic membrane 3 and the sealed cabin body 2, through setting up the sealing washer, further played the effect of protection to osmotic membrane 3, avoid leading to osmotic membrane 3 to crush damage in the installation. The base 1 is provided with an elastic buckle 11, and the sealing cabin 2 is provided with a clamping groove 21 for clamping the elastic buckle 11. A plurality of elastic buckles 11 are arranged on the base 1 in a spaced ring mode, and a plurality of clamping grooves 21 are correspondingly arranged on the side wall of the sealing cabin body 2. By adopting a plurality of elastic buckles 11 and clamping grooves 21, the connection between the sealed cabin 2 and the base 1 can be more stable. The elastic buckle 11 includes an elastic body 111 and a clamping head 112, the clamping head 112 is suitable for being clamped in the clamping groove 21, and a guiding inclined surface 1121 is arranged on one side of the top surface of the clamping head 112. The clamping connector 112 is further provided with a clamping plane 1122, the bottom surface of the clamping groove 21 is a plane, and the clamping plane 1122 is attached to the bottom surface of the clamping groove 21. When the sealing cabin 2 is inserted into the cavity 12, the guiding inclined surface 1121 on the clamping connector 112 is firstly abutted against the side wall of the sealing cabin 2, and as the sealing cabin 2 continues to be pressed and inserted, the clamping connector 112 is shifted under the guiding action of the guiding inclined surface 1121 to drive the elastic body 111 to deform. After the sealing cabin 2 is pressed to the right position, the clamping joint 112 slides to the clamping groove 21, at this time, the clamping joint 112 loses the abutting effect of the side wall of the sealing cabin 2, and under the elastic action of the elastic body 111, the clamping joint 112 is clamped in the clamping groove 21.

As a variable embodiment, the elastic buckle 11 on the base 1 can be replaced by a plug, and the sealed cabin 2 is provided with a slot 411 for the plug to be inserted.

Further, the sealed cabin 2 includes a connecting seat 22, a clamping groove 21 is arranged at the top end of the connecting seat 22, a guide groove 23 is arranged at the bottom end of the connecting seat 22, and the guide groove 23 and the clamping groove 21 are arranged oppositely. In the process of inserting connection seat 22 into cavity 12, guiding inclined surface 1121 on clamping head 112 first abuts against the side wall of connection seat 22, and as connection seat 22 continues to be pressed and inserted, under the guiding action of guiding inclined surface 1121, the position of clamping head 112 is shifted to drive elastic body 111 to deform. Through set up guide way 23 on connecting seat 22, can carry out preliminary guide to joint head 112 and remove, and then make things convenient for its joint in draw-in groove 21.

Further, elastomer 111 is protruding to be established on base 1, and elastomer 111 is equipped with recess 13 with base 1's junction, reserves elastomer 111's deformation space, increases elastomer 111's deflection, avoids elastomer 111 to take place to damage at the in-process of deformation, makes things convenient for the later stage dismouting of elastic buckle 11. Simultaneously, all set up recess 13 in the left and right sides of elastomer 111, can effectively avoid elastomer 111 to take place stress concentration and lead to it to break from base 1 lateral wall when receiving the exogenic action.

Further, the test electrode 4 includes a bracket 41 and two electrode pads 42, the bracket 41 is provided with a slot 411 for inserting the electrode pads 42, and the two electrode pads 42 are arranged at an interval. The bracket 41 is made of plastic material, and the two electrode plates 42 are pre-installed on the bracket 41 and then assembled together into the sealed cabin 2. The arc-shaped groove 43 is formed in the support 41 between the two electrode plates 42, and even if air bubbles are stored in the arc-shaped groove 43, the air bubbles do not appear between the two electrode plates 42 in the groove 13 and the testing precision is not affected. Notches 431 are formed in two ends of the arc-shaped groove 43, so that bubbles can flow away conveniently, and a sharp corner 432 is arranged on the top surface of the arc-shaped groove 43, so that the bubbles can be broken conveniently.

The embodiments of the present invention are all preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a test chamber, its characterized in that includes base (1), the sealed cabin body (2) and osmotic membrane (3), be equipped with test electrode (4) in the sealed cabin body (2), base (1) is provided with cavity (12), osmotic membrane (3) set up in the cavity, the sealed cabin body (2) with base (1) block is connected in order to incite somebody to action osmotic membrane (3) are fixed in the sealed cabin body (2) with between base (1).

2. The test chamber according to claim 1, wherein the base (1) is provided with an elastic buckle (11), and the sealing chamber (2) is provided with a clamping groove (21) for clamping the elastic buckle (11).

3. The test chamber according to claim 2, wherein a plurality of elastic fasteners (11) are arranged on the base (1) at intervals, and a plurality of clamping grooves (21) are correspondingly arranged on the side wall of the sealing chamber body (2).

4. A test chamber according to claim 2, wherein the elastic clip (11) comprises an elastic body (111) and a clip head (112), the clip head (112) is adapted to be clipped in the clip groove (21), and a guiding inclined surface (1121) is provided on one side of the top surface of the clip head (112).

5. The test chamber according to claim 4, wherein a clamping plane (1122) is further disposed on the clamping head (112), a bottom surface of the clamping groove (21) is a plane, and the clamping plane (1122) is attached to the bottom surface of the clamping groove (21).

6. A test chamber according to claim 4, characterized in that the elastomer (111) is arranged on the base (1) in a protruding manner, and a groove (13) is arranged at the joint of the elastomer (111) and the base (1).

7. The test chamber according to claim 4, wherein the sealing chamber body (2) comprises a connecting seat (22), the top end of the connecting seat (22) is provided with the clamping groove (21), the bottom end of the connecting seat (22) is provided with a guide groove (23), and the guide groove (23) is arranged opposite to the clamping groove (21).

8. The test chamber according to claim 1, wherein a sealing ring is arranged between the permeable membrane (3) and the sealed chamber (2).

9. The test chamber according to claim 1, wherein the sealed housing (2) is provided with an opening for receiving the test electrode (4).

10. The test chamber according to claim 1, wherein the test electrodes (4) comprise a bracket (41) and electrode plates (42), the bracket (41) is provided with slots (411) for the electrode plates (42) to be inserted, and the number of the electrode plates (42) is two and is spaced apart.