CN203811570U - Saturated calomel electrode - Google Patents
Saturated calomel electrode Download PDFInfo
- Publication number
- CN203811570U CN203811570U CN201420235129.6U CN201420235129U CN203811570U CN 203811570 U CN203811570 U CN 203811570U CN 201420235129 U CN201420235129 U CN 201420235129U CN 203811570 U CN203811570 U CN 203811570U
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- CN
- China
- Prior art keywords
- glass tube
- calomel electrode
- sidewall
- fixed
- saturated calomel
- Prior art date
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Abstract
The utility model provides a saturated calomel electrode. The saturated calomel electrode comprises an upper electrode upper end, a middle glass tube and a lower end cover, wherein the glass tube is filled with a saturated KCl solution; an internal electrode is fixed at the upper end of the glass tube and is connected with an external conductor; an opening is formed in the side wall of the glass tube; a sealing cap is arranged at the opening; a porous ceramic hole is formed at the tail end of the glass tube; the end cover is sleeved on the outside wall of the glass tube; a circle of anti-falling base is fixed on the outside wall of the glass tube; the anti-falling base is the convex edge of the side wall of the glass tube; the end cover comprises a fixed holder, a seal sleeve and an elastic connecting part; the fixed holder is connected with the seal sleeve by the elastic connecting part. The saturated calomel electrode has the beneficial effects that the saturated calomel electrode has a simple structure; the end cover can be prevented from falling off through design of the anti-falling base, thus avoiding loss of the end cover; the fastening design of a lug and a groove is simple, convenient and reasonable, avoids loss of the end cover and can avoid discarding treatment of the calomel electrode; the saturated calomel electrode is safe and environment-friendly.
Description
Technical field
The utility model belongs to the technical field of mercurous chloride electrode, is specifically related to a kind of saturated calomel electrode.
Background technology
Mercurous chloride electrode has stable electrode potential under constant temperature, is in chemical experiment, to use a kind of contrast electrode comparatively widely, and it is the electrode by mercury metal and calomel and KCl solution composition.Platinum filament of sealing-in in its inner glass tube of existing mercurous chloride electrode, platinum filament inserts in pure mercury, the pastel of underlying one deck calomel and mercury; In outer glass pipe, pack KCl solution into, electrode lower end is by the salt bridge UNICOM being made up of porous mass, and glass tube sidewall is provided with opening, without time the lower end salt bridge rubber cap that formed by porous mass entangle.The electrode of this structure, student is when experiment is used, because student is many, use frequently, easily cause the loss of rubber cap, do not have the mercurous chloride electrode of rubber cap to discard, so just cause waste, because mercury is very large to the contamination hazard of water, accumulated for a long time welding.
Utility model content
The utility model for solve deficiency of the prior art, designed simple in structure, long service life, safety and environmental protection, sealing shroud be not easy lose a kind of saturated calomel electrode.
The utility model is that the technical scheme that realizes its object employing is:
A kind of saturated calomel electrode, comprise the electrode upper end on top, middle glass tube and the end cap of bottom, in glass tube, be full of saturated KCl solution, internal electrode is fixed on the upper end of glass tube and is connected with external wire, the sidewall of glass tube is provided with opening, be provided with sealing cap at opening part, the end of glass tube offers porous ceramics hole, end cap is sleeved on outside glass tube on sidewall, outside described glass tube, sidewall is fixed with a circle anticreep seat, the sidewall convex edge that described anticreep seat is glass tube, described end cap comprises fixing holder, sealing shroud and elastic connecting element, fixing holder is connected by elastic connecting element with sealing shroud.
On the sidewall of fixing holder outside, be fixed with groove, be fixed with the casting lug thereon matching with groove outside sealing shroud on sidewall, casting lug thereon is snapped in groove.
On the sidewall of fixing holder outside, be fixed with casting lug thereon, be fixed with the groove matching with casting lug thereon outside sealing shroud on sidewall, casting lug thereon is snapped in groove.
Described fixing holder is that circular, described sealing shroud is the sleeve pipe of one end sealing, and sealing shroud is sleeved on outside glass tube lower end on sidewall.
Described anticreep seat is fixed on the top in porous ceramics hole, and fixing holder madial wall is sleeved on anticreep seat.
Described anticreep seat is fixed on the top in porous ceramics hole, and fixing holder is arranged on the top of anticreep seat.
Described anticreep seat external diameter is greater than the internal diameter of fixing holder.
The beneficial effects of the utility model are: a kind of saturated calomel electrode, and simple in structure, the design of anticreep seat can prevent that end cap from coming off, and avoids end cap to lose; The buckle design of casting lug thereon and groove is easy rationally, and the phenomenon of having avoided end cap to lose, can not cause the waste treatment of mercurous chloride electrode, is extended the serviceable life of mercurous chloride electrode, safety and environmental protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of end cap in Fig. 1.
In accompanying drawing, 1 represents electrode upper end, and 2 represent glass tube, and 3 represent anticreep seat, and 4 represent end cap, the fixing holder of 5 representative, and 6 represent sealing shroud, and 7 represent porous ceramics hole, and 8 represent elastic connecting element, and 9 represent groove, and 10 represent casting lug thereon, and 11 represent opening.
Embodiment
The utility model for solve deficiency of the prior art, designed simple in structure, long service life, safety and environmental protection, sealing salt bridge rubber cap be not easy lose a kind of saturated calomel electrode, below in conjunction with specific embodiment, the utility model is described in further detail.
Specific embodiment 1, as shown in Figure 1 to Figure 2, a kind of saturated calomel electrode, comprise the electrode upper end 1 on top, middle glass tube 2 and the end cap 4 of bottom, in glass tube 2, be full of saturated KCl solution, internal electrode is fixed on the upper end of glass tube 2 and is connected with external wire, the sidewall of glass tube 2 is provided with opening 11, be provided with sealing cap at opening part, the end of glass tube 2 offers porous ceramics hole 7, end cap 4 is sleeved on glass tube 2 outside sidewalls, described glass tube 2 outside sidewalls are fixed with a circle anticreep seat 3, described anticreep seat 3 is the sidewall convex edge of glass tube 2, described end cap 4 comprises fixing holder 5, sealing shroud 6 and elastic connecting element 8, fixing holder 5 is connected by elastic connecting element 8 with sealing shroud 6.
On fixing holder 5 outside sidewalls, be fixed with groove 9, on sealing shroud 6 outside sidewalls, be fixed with the casting lug thereon 10 matching with groove 9, casting lug thereon 10 is snapped in groove 9, the buckle setting of casting lug thereon 10 and groove 9 is sleeved on glass tube 2 outside sidewalls, the phenomenon of having avoided end cap 4 to lose, can not cause the waste treatment of mercurous chloride electrode, extended the serviceable life of mercurous chloride electrode.
Described fixing holder 5 is that circular, described sealing shroud 6 is the sleeve pipe of one end sealing, and sealing shroud 6 is sleeved on outside glass tube 2 lower ends on sidewall.
Described anticreep seat 3 is fixed on the top in porous ceramics hole 7, and fixing holder 5 madial walls are sleeved on anticreep seat 3, and the design that fixing holder 5 madial walls are sleeved on anticreep seat 3 can prevent that fixing holder from coming off, and avoids end cap 4 to lose.
Described anticreep seat 3 external diameters are greater than the internal diameter of fixing holder 5, can stop that fixing holder 5 comes off, and avoids end cap 4 to lose.
The utility model in use, the sealing cap that glass tube 2 sidewall upper shed 11 places are arranged takes off, expose the opening 11 on glass tube 2 sidewalls, if saturated KCl solution can not touch internal electrode, by glass tube 2 sidewall upper sheds 11 to the saturated KCl solution of the interior injection of glass tube 2, after liquid feeding, sealing shroud 6 is slided down to the end of glass tube 2, the porous ceramics hole 7 of glass tube 2 ends is exposed, sealing shroud 6 is upwards turned down by casting lug thereon 10 and groove 9 and is fastened togather with fixing holder 5, avoiding end cap 4 to immerse fluid to be measured cunning on end cap 4 pollutes, then mercurous chloride electrode is connected with potentiometer measurement component, the porous ceramics hole 7 of glass tube 2 ends is immersed in fluid to be measured, can obtain potential value changes, when not in use, mercurous chloride electrode and potentiometer measurement component are disconnected, the porous ceramics hole 7 of glass tube 2 ends is taken out from detected solution, and water rinses well, then end cap 4 is glided, the madial wall of fixing holder 5 is set on anticreep seat 3, anticreep seat 3 is not crossed in fixing holder 5, casting lug thereon 10 is separated with groove 9, and sealing shroud 6 is sleeved on the outside sidewall of glass tube 2 lower ends, and the sealing cap taking off is sleeved on to glass tube 2 sidewall upper shed 11 places.
Specific embodiment 2, as shown in Figure 1 to Figure 2, a kind of saturated calomel electrode, comprise the electrode upper end 1 on top, middle glass tube 2 and the end cap 4 of bottom, in glass tube 2, be full of saturated KCL solution, internal electrode is fixed on the upper end of glass tube 2 and is connected with external wire, the sidewall of glass tube 2 is provided with opening 11, be provided with sealing cap at opening part, the end of glass tube 2 offers porous ceramics hole 7, end cap 4 is sleeved on glass tube 2 outside sidewalls, described glass tube 2 outside sidewalls are fixed with a circle anticreep seat 3, described anticreep seat 3 is the sidewall convex edge of glass tube 2, described end cap 4 comprises fixing holder 5, sealing shroud 6 and elastic connecting element 8, fixing holder 5 is connected by elastic connecting element 8 with sealing shroud 6.
On fixing holder 5 outside sidewalls, be fixed with casting lug thereon 10, on sealing shroud 6 outside sidewalls, be fixed with the groove 9 matching with casting lug thereon 10, casting lug thereon 10 is snapped in groove 9, the phenomenon that the buckle setting of casting lug thereon 10 and groove 9 has avoided end cap 4 to lose, can not cause the waste treatment of mercurous chloride electrode, extended the serviceable life of mercurous chloride electrode.
Described fixing holder 5 is that circular, described sealing shroud 6 is the sleeve pipe of one end sealing, and sealing shroud 6 is sleeved on outside glass tube 2 lower ends on sidewall.
Described anticreep seat 3 is fixed on the top in porous ceramics hole 7, and fixing holder 5 is arranged on the top of anticreep seat 3, and while fixing holder 5 downslide, anticreep seat 3 can stop fixing holder 5 downslides, avoids end cap 4 to lose.
Described anticreep seat 3 external diameters are greater than the internal diameter of fixing holder 5, can stop that so fixing holder 5 comes off, and avoids end cap 4 to lose.
The utility model in use, the sealing cap that opening on glass tube 2 sidewalls 11 places are arranged takes off, expose the opening 11 on glass tube 2 sidewalls, if saturated KCl solution can not touch internal electrode, by glass tube 2 sidewall upper sheds 11 to the saturated KCl solution of the interior injection of glass tube 2, after liquid feeding, sealing shroud 6 is slided down to the end of glass tube 2, the porous ceramics hole 7 of glass tube 2 ends is exposed, sealing shroud 6 is upwards turned down by casting lug thereon 10 and groove 9 and is fastened togather with fixing holder 5, avoiding end cap 4 to immerse fluid to be measured cunning on end cap 4 pollutes, then mercurous chloride electrode is connected with potentiometer measurement component, the porous ceramics hole 7 of glass tube 2 ends is immersed in fluid to be measured, can obtain potential value changes, when not in use, mercurous chloride electrode and potentiometer measurement component are disconnected, the porous ceramics hole 7 of glass tube 2 ends is taken out from detected solution, and water is rinsed well, then end cap 4 is glided, make fixing holder slide to anticreep seat 3 tops for 5 times, casting lug thereon 10 is separated with groove 9, sealing shroud 6 is sleeved on the outside sidewall of glass tube 2 lower ends, and the sealing cap taking off is sleeved on to glass tube 2 sidewall upper shed 11 places.
The utility model is simple in structure, and the design of anticreep seat can prevent that end cap from coming off, and avoids end cap to lose; The buckle design of casting lug thereon and groove is easy rationally, and the phenomenon of having avoided end cap to lose, can not cause the waste treatment of mercurous chloride electrode, is extended the serviceable life of mercurous chloride electrode, safety and environmental protection.
Claims (7)
1. a saturated calomel electrode, comprise the electrode upper end (1) on top, the end cap (4) of intermediate glass pipe (2) and bottom, in glass tube (2), be full of saturated KCl solution, internal electrode is fixed on the upper end of glass tube (2) and is connected with external wire, the sidewall of glass tube (2) is provided with opening (11), be provided with sealing cap at opening part, the end of glass tube (2) offers porous ceramics hole (7), end cap (4) is sleeved on the sidewall of glass tube (2) outside, it is characterized in that: described glass tube (2) outside sidewall is fixed with a circle anticreep seat (3), described anticreep seat (3) is the sidewall convex edge of glass tube (2), described end cap (4) comprises fixing holder (5), sealing shroud (6) and elastic connecting element (8), fixing holder (5) is connected by elastic connecting element (8) with sealing shroud (6).
2. a kind of saturated calomel electrode according to claim 1, it is characterized in that: on the sidewall of fixing holder (5) outside, be fixed with groove (9), on the sidewall of sealing shroud (6) outside, be fixed with the casting lug thereon (10) matching with groove (9), casting lug thereon (10) is snapped in groove (9).
3. a kind of saturated calomel electrode according to claim 1, it is characterized in that: on the sidewall of fixing holder (5) outside, be fixed with casting lug thereon (10), on the sidewall of sealing shroud (6) outside, be fixed with the groove (9) matching with casting lug thereon (10), casting lug thereon (10) is snapped in groove (9).
4. a kind of saturated calomel electrode according to claim 1, it is characterized in that: described fixing holder (5) is for circular, described sealing shroud (6) is the sleeve pipe of one end sealing, and sealing shroud (6) is sleeved on outside glass tube (2) lower end on sidewall.
5. a kind of saturated calomel electrode according to claim 1, it is characterized in that: described anticreep seat (3) is fixed on the top of porous ceramics hole (7), fixing holder (5) madial wall is sleeved on anticreep seat (3).
6. a kind of saturated calomel electrode according to claim 1, is characterized in that: described anticreep seat (3) is fixed on the top of porous ceramics hole (7), and fixing holder (5) is arranged on the top of anticreep seat (3).
7. a kind of saturated calomel electrode according to claim 1, is characterized in that: described anticreep seat (3) external diameter is greater than the internal diameter of fixing holder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235129.6U CN203811570U (en) | 2014-05-09 | 2014-05-09 | Saturated calomel electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235129.6U CN203811570U (en) | 2014-05-09 | 2014-05-09 | Saturated calomel electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811570U true CN203811570U (en) | 2014-09-03 |
Family
ID=51450304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235129.6U Expired - Fee Related CN203811570U (en) | 2014-05-09 | 2014-05-09 | Saturated calomel electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811570U (en) |
-
2014
- 2014-05-09 CN CN201420235129.6U patent/CN203811570U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |