CN209486035U

CN209486035U - Electrode cap

Info

Publication number: CN209486035U
Application number: CN201920124969.8U
Authority: CN
Inventors: 童威
Original assignee: Hangzhou Qiwei Instrument Co Ltd
Current assignee: Hangzhou Qiwei Instrument Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-10-11
Anticipated expiration: 2029-01-25

Abstract

The utility model relates to a kind of electrode caps, including cap body and sealing ring, one section of inner sidewall of the close oral area of the cap body is equipped with one or more grooves, the groove is closed at one end, another end opening, one end of opening extends on the oral area end face of the cap body, the inner sidewall of the cap body is in the taper barrel that oral area is big, bottom is small, one section of inner sidewall of the close bottom of the cap body is equipped with one or more gussets, the gusset extends along the generatrix direction of the inner sidewall, and the inner sidewall of the external diameter surface of the sealing ring and the cap body, which seals, to be cooperated.Removal and installation are simple to operate in the utility model use process, and good airproof performance, can be to avoid protection liquid leakage.

Description

Electrode cap

Technical field

The utility model relates to a kind of electrode caps, are mainly used for the ball electrode bubble protection of PH combination electrode.

Background technique

The ball bubble of PH combination electrode is the glass ball bulb of thin-walled, frangible, once ball, which steeps cataclasm entire electrode, to be scrapped.Separately Outside, glass ball bulb usually requires to be immersed in protection liquid when not in use, and otherwise the use of PH combination electrode will receive influence.Electrode Cap is the necessary component of PH combination electrode, for containing protection liquid, provides container for the immersion of glass ball bulb, while to glass Glass ball puff is acted on to mechanical protection.

Electrode cap used by existing PH combination electrode is usually to be threadedly coupled with electrode shell, whole group forming Like " bottle ", " bottle cap ", which is partially arranged, to be fixed on electrode shell, and is located at the rear of ball electrode bubble, " bottle body " part and electrode Outer shell phase separation.Screw off " bottle body " partially can normal use electrode, after being finished, will be loaded with protection liquid " bottle body " part It is threaded on " bottle cap " part, the space of " bottle " is utilized to surround ball electrode bubble wherein.

This electrode cap mainly has several respects deficiency, first is that needing to be installed or removed by many enclose of rotation, operates On it is somewhat cumbersome, second is that leakproofness be not very well, be easy leakage protection liquid.

Summary of the invention

The utility model is intended to provide a kind of electrode cap, either installs or remove simple to operate, and leakproofness It is good, protection liquid will not be leaked.

The main technical schemes of the utility model have:

A kind of electrode cap, including cap body, one section of inner sidewall of the close oral area of the cap body are equipped with one or more recessed Slot, the groove is closed at one end, another end opening, and one end of opening extends on the oral area end face of the cap body.

When the groove has multiple, the groove is preferably circumferentially uniformly at intervals on the inner sidewall of the cap body.

The groove preferably extends along the generatrix direction of the inner sidewall.

The inner sidewall of the cap body is preferably in the taper barrel that oral area is big, bottom is small.

It is also provided with the shallow slot of a ring shape on the inner sidewall of the cap body, the shallow slot is located at the groove and described Between the bottom of cap body, and close to the groove.

One or more gussets, the gusset preferably edge can be equipped on one section of inner sidewall of the close bottom of the cap body The generatrix direction of the inner sidewall extends.

When the gusset has multiple, the end face close to the cap body oral area of each gusset is concordant each other.

Multiple ribs can be equipped at intervals on one section of lateral wall of the close oral area of the cap body.

The electrode cap can be integrally formed using transparent plastic.

The electrode cap is also preferably equipped with sealing ring, the inner sidewall sealing of the external diameter surface of the sealing ring and the cap body Cooperation.

The beneficial effects of the utility model are:

Mating connect-disconnect structure is used between the electrode cap and electrode shell of the utility model, compared to existing The operation of screw connection structure installing and dismounting is simpler, convenient, fast.

Cooperation is sealed by the contact between the sealing ring and the inner sidewall of electrode cap, it can be real on the basis of connect-disconnect structure Now seal.Along with the setting of the groove, can make to seal relatively reliable.

By the way that the gusset is arranged, effective position-limiting action is played to the electrode shell of insertion cap body, can to avoid due to Grafting overexerts when installing and damages glass ball bulb.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one embodiment of the utility model；

Fig. 2 is the structural schematic diagram of second embodiment of the utility model；

Fig. 3 is the structural schematic diagram of the third embodiment of the utility model.

Appended drawing reference: 1. cap bodies；2. groove；3. gusset；4. rib；5. sealing ring；6. shallow slot.

Specific embodiment

The utility model discloses a kind of electrode cap, the protections of the glass ball bulb for PH combination electrode.Such as the institute of Fig. 1,2,3 Show, the electrode cap includes cap body 1, and the inner sidewall of the close oral area of the cap body is equipped with one or more grooves 2, described recessed Slot is closed at one end, another end opening, and one end of opening extends on the oral area end face of the cap body.The electrode cap and PH are compound The shell that the close ball of electrode steeps one end is directly mating, compared with prior art under threaded connection, the installation of electrode cap and It is all simpler, conveniently to remove operation.As long as being arranged sealing ring on electrode shell, it is mutually inserted electrode shell with electrode cap When sealing ring and the inner sidewall of electrode cap between be tightly engaged can easily, be reliably achieved sealing.The groove is Ventilating groove is extruded as the electrode shell of end is gradually inserted in electrode cap and the air intercepted in electrode cap inner end can lead to The groove discharge is crossed, therefore the balance of electrode cap inner and outer air pressure can be kept well, keeps electrode cap steady with electrode shell Surely cooperate.

When the groove has multiple, on the circumferentially-spaced inner sidewall for being arranged in the cap body of the groove.Shown in Fig. 1,2,3 In embodiment, the groove respectively there are two, four, four.The usual groove is evenly distributed.

Described groove one end outwardly one end inwardly, preferably along the generatrix direction linear extension of the inner sidewall.

The inner sidewall of the cap body is preferably in the taper barrel that oral area is big, bottom is small, easy for installation, and the cap body of electrode cap It can more closely cooperate with electrode shell, also facilitate the processing of electrode cap cap body.

The shallow slot 6 of a ring shape is also provided on the inner sidewall of the cap body, the shallow slot is located at the groove and institute It states between the bottom of cap body, and close to the groove.The shallow slot can play certain position-limiting action to the electrode shell, Its action principle is that the sealing ring when the cap body of electrode shell excessive insertion electrode cap, on electrode shell can move therewith Card is led in shallow slot described in sealing ring locally embedding when passing through herein due to the flexibility of sealing ring to the position of the shallow slot Phenomenon, the feel of Caton can prompt operator to have occurred to insert, so as to operator's timely correction, prevent from further inserting Enter glass ball bulb is caused to damage.

One or more gussets 3 are also preferably equipped on the inner sidewall of the close bottom of the cap body, the gusset is used for institute Limit when electrode shell insertion is stated, glass ball bulb was damaged when avoiding inserting.The gusset is mainly used for and is located at glass marble Sheath on bubble is used cooperatively, as long as the end of the sheath touches the gusset, electrode shell is impossible to be further continued for inserting Enter the cap body of electrode cap.The gusset preferably extends along the generatrix direction of the inner sidewall, compares other possible structures, more Simply, facilitate manufacture.

When the gusset has multiple, each gusset close to the cap body oral area end face it is preferably concordant, so as to from Multiple and different points is limited simultaneously, improves the reliability of limit, and stress equalization.

Multiple ribs 4 can also be equipped at intervals on the lateral wall of the close oral area of the cap body, in the embodiment shown in that figure The rib can have 6,8.The rib can be used for anti-skidding.The rib is preferably along the generatrix direction of the lateral wall Linear extension, structure is simple, facilitates manufacture.

The electrode cap can be integrally formed using transparent plastic, and good integrity, manufacturing cost is low, is not removing electrode cap In the case where observe with can be convenient the inside glass ball bulb and protection liquid the case where.

On the basis of former electrodes cap structure, the electrode cap can also be directly shown in mating setting sealing ring 5(attached drawing 2 Be O-ring seal in embodiment), electrode shell in the cap body of electrode cap grafting in place in the case where, the sealing ring it is outer The inner sidewall of diameter surface and the cap body, which seals, to be cooperated.Certainly consider from the convenience of installation, the sealing ring is preferably arranged In seal groove on electrode shell, sealing ring moves synchronously the cap body into electrode cap with electrode shell, the groove from It is streaked except the outer diameter of the sealing ring, until electrode shell is installed in place, the inner sidewall of the sealing ring and the electrode cap Sealing cooperation, the position where the sealing ring is as shown in Figure 2,3 at this time.

Claims

1. a kind of electrode cap, it is characterised in that: including cap body, one section of inner sidewall of the close oral area of the cap body is equipped with one Or multiple grooves, the groove is closed at one end, another end opening, and one end of opening extends on the oral area end face of the cap body.

2. electrode cap as described in claim 1, it is characterised in that: when the groove has multiple, the groove is circumferentially-spaced Cloth is on the inner sidewall of the cap body.

3. electrode cap as claimed in claim 2, it is characterised in that: the groove extends along the generatrix direction of the inner sidewall.

4. electrode cap as claimed in claim 3, it is characterised in that: the inner sidewall of the cap body is in the circle that oral area is big, bottom is small Cone barrel.

5. electrode cap as claimed in claim 4, it is characterised in that: be additionally provided with the shallow of a ring shape on the inner sidewall of the cap body Slot, the shallow slot is between the groove and the bottom of the cap body, and the close groove.

6. electrode cap as claimed in claim 5, it is characterised in that: one section of inner sidewall of the close bottom of the cap body is equipped with One or more gussets, the gusset extend along the generatrix direction of the inner sidewall.

7. electrode cap as claimed in claim 6, it is characterised in that: when the gusset has multiple, each gusset it is close The end face of the cap body oral area is concordant.

8. electrode cap as claimed in claim 7, it is characterised in that: be spaced on one section of lateral wall of the close oral area of the cap body Equipped with multiple ribs.

9. electrode cap as claimed in claim 8, it is characterised in that: it uses transparent plastic to be integrally formed.

10. the electrode cap as described in any one of claim 1-9 claim, it is characterised in that: be additionally provided with sealing ring, institute The inner sidewall sealing of the external diameter surface and the cap body of stating sealing ring cooperates.