CN208142035U - A kind of portable contact arm head - Google Patents
A kind of portable contact arm head Download PDFInfo
- Publication number
- CN208142035U CN208142035U CN201820499705.6U CN201820499705U CN208142035U CN 208142035 U CN208142035 U CN 208142035U CN 201820499705 U CN201820499705 U CN 201820499705U CN 208142035 U CN208142035 U CN 208142035U
- Authority
- CN
- China
- Prior art keywords
- contact arm
- arm head
- hole
- mounting seat
- threaded hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of portable contact arm heads,Including rear contact arm head and preceding contact arm head,Contact arm head before contact arm overhead is welded with after described,The preceding contact arm head is welded with top cover far from one end of rear contact arm head,Contact arm head is welded with mounting seat far from one end of preceding contact arm head after described,Contact arm head after described,Preceding contact arm head,Through-hole is offered at top cover and mounting seat axle center,The mounting seat lower surface is uniformly provided with threaded hole around through-hole,The bottom of contact arm head outer wall is uniformly provided with the thread groove of mate with threaded holes after described,Mounting seat is fixed on electric appliance by this portable contact arm head by threaded hole,Bolt passes through threaded hole and enters in thread groove simultaneously,Then electric wire is inserted into through-hole,It can ensure that power on circuitry in this way,When the damage of contact arm head,Only unclamped with by bolt,Then it is slided by through-hole in electric wire outer wall,To which contact arm head be replaced,Removing and installing for contact arm head is facilitated in this way.
Description
Technical field
The utility model relates to high-tension apparatus production technical field, specially a kind of portable contact arm head.
Background technique
Electrical contact is the important component of high-voltage circuitbreaker, switchgear, disconnecting switch, earthing switch, and performance directly affects
The quality and service life of these High-Voltage Electrical Appliances, in device for switching, electrical contact directly take on disjunction with connect circuit and carry
Running current or the function that overload current is carried within the regular hour, the key function of each electric appliances, such as electrical power distribution apparatus
Make-break capacity, control the electrical endurance of electric appliance, the reliability of relay both depends on the working performance and quality of contact, together
When contact be also link most weak in device for switching and be easy out of order part, once contact system cisco unity malfunction,
If short circuit cun occurs for electric system, High Voltage Circuit Breaker Contacts refusal is disconnected, and will cause extremely serious consequence.
1. since contact arm head often damages, so need to replace contact arm head, but since existing contact arm head is
It is all directly welded on switch, and is fixed on route on contact arm head, be difficult to disassemble on contact arm head in this way, from
And affect circuit normal use.
2. existing contact arm head outer wall dimension is the same, it is easy to happen offset when contact arm head is installed in this way, thus shadow
Ring the arrangement of route.
Utility model content
The purpose of this utility model is to provide a kind of portable contact arm heads, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of portable contact arm head, including rear contact arm
Head and preceding contact arm head, contact arm head before the rear contact arm overhead is welded with, the preceding contact arm head are welded far from one end of rear contact arm head
Be connected to top cover, it is described after contact arm head far from one end of preceding contact arm head be welded with mounting seat, it is described after contact arm head, preceding contact arm head,
Through-hole is offered at top cover and mounting seat axle center, the mounting seat lower surface is uniformly provided with threaded hole around through-hole, institute
The bottom for stating rear contact arm head outer wall is uniformly provided with the thread groove of mate with threaded holes.
Preferably, the diameter dimension of the rear contact arm head is greater than the diameter dimension of preceding contact arm head, the diameter ruler of the top cover
The very little diameter dimension greater than rear contact arm head, the diameter dimension of the mounting seat are greater than the diameter dimension of top cover.
Preferably, there are four the threaded hole settings.
Preferably, the threaded hole is cylinder, and the thread groove is semi-cylindrical.
Preferably, the pore size of the threaded hole and the diameter of thread groove are identical.
Compared with prior art, the utility model has the beneficial effects that：
1, mounting seat is fixed on electric appliance by the utility model by threaded hole, while bolt is entered across threaded hole
In thread groove, then electric wire is inserted into through-hole, can ensure that power on circuitry in this way, when the damage of contact arm head, only using will
Bolt unclamps, and is then slided by through-hole in electric wire outer wall, thus contact arm head is replaced so that it is convenient to the disassembly of contact arm head with
Installation.
2, contact arm head is different from preceding contact arm head diameter dimension after the utility model, and preceding contact arm head and top cover diameter dimension are not
Together, groove is formd between contact arm head preceding in this way and rear contact arm head and top cover, when installing contact arm head, groove is stuck in installation card
Part portion, which prevent contact arm heads to shift, and facilitates bolt and rotates in threaded hole.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view；
Fig. 2 is the utility model present invention looks up structural representation.
In figure：Contact arm head after 1-；Contact arm head before 2-；3- top cover；4- mounting seat；5- through-hole；6- threaded hole；7- screw thread
Slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2,：A kind of portable contact arm head, including rear contact arm head 1
With preceding contact arm head 2, contact arm head 2 before being welded at the top of contact arm head 1 after described, the described one end of preceding contact arm head 2 far from rear contact arm head 1
Be welded with top cover 3, it is described after 1 one end far from preceding contact arm head 2 of contact arm head be welded with mounting seat 4, it is described after contact arm head 1, preceding
Through-hole 5 is offered at contact arm head 2, top cover 3 and 4 axle center of mounting seat, 4 lower surface of mounting seat is uniformly opened around through-hole 5
Equipped with threaded hole 6, the bottom of rear 1 outer wall of contact arm head is uniformly provided with the thread groove 7 of mate with threaded holes 6.
The diameter dimension of contact arm head 1 is greater than the diameter dimension of preceding contact arm head 2 after described, and the diameter dimension of the top cover 3 is big
In the diameter dimension of rear contact arm head 1, the diameter dimension of the mounting seat 4 is greater than the diameter dimension of top cover 3, contact arm head preceding in this way
Groove is formd between 2 and rear contact arm head 1 and top cover 3, when installing contact arm head, groove is stuck in mounting clip pieces portion, it is anti-in this way
Stopping contact arm head to shift, there are four the settings of threaded hole 6, and what can be fastened in this way is mounted on contact arm head on electric appliance,
The threaded hole 6 is cylinder, and the thread groove 7 is semi-cylindrical, and such thread groove 7 is the half of threaded hole 6, thus convenient
From outside observe situation of the bolt inside threaded hole 6, the diameter of the pore size and thread groove 7 of the threaded hole 6 is big
It is small identical so that it is convenient to which bolt passes through threaded hole 6 in 7 inner rotation of thread groove.
Working principle：When in use, mounting seat 4 is fixed on electric appliance by threaded hole 6, while bolt passes through screw thread
Hole 6 enters in thread groove 7, and then electric wire is inserted into through-hole 5, can ensure that power on circuitry in this way, when contact arm head damages
Bad when, is only unclamped with by bolt, is then slided by through-hole 5 in electric wire outer wall, to contact arm head be replaced so that it is convenient to touching
Arm head removes and installs, simultaneously because rear contact arm head 1 is different from preceding 2 diameter dimension of contact arm head, preceding contact arm head 2 and top cover 3 are straight
Diameter size is different, forms groove between contact arm head 2 preceding in this way and rear contact arm head 1 and top cover 3, will be recessed when installing contact arm head
Slot is stuck in mounting clip pieces portion, and which prevent contact arm heads to shift, and facilitates bolt and rotates in threaded hole.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of portable contact arm head, including rear contact arm head (1) and preceding contact arm head (2), it is characterised in that：Contact arm head after described
(1) contact arm head (2) before top is welded with, the preceding contact arm head (2) are welded with top cover (3), institute far from one end of rear contact arm head (1)
It states rear contact arm head (1) to be welded with mounting seat (4) far from one end of preceding contact arm head (2), rear the contact arm head (1), preceding contact arm head
(2), it is offered through-hole (5) at top cover (3) and mounting seat (4) axle center, mounting seat (4) lower surface is around through-hole (5)
It is uniformly provided with threaded hole (6), the bottom of described rear contact arm head (1) outer wall is uniformly provided with the thread groove of mate with threaded holes (6)
(7)。
2. a kind of portable contact arm head according to claim 1, it is characterised in that：The diameter ruler of contact arm head (1) after described
The very little diameter dimension greater than preceding contact arm head (2), the diameter dimension of the top cover (3) are greater than the diameter dimension of rear contact arm head (1), institute
The diameter dimension for stating mounting seat (4) is greater than the diameter dimension of top cover (3).
3. a kind of portable contact arm head according to claim 1, it is characterised in that：There are four threaded hole (6) settings.
4. a kind of portable contact arm head according to claim 1, it is characterised in that：The threaded hole (6) is cylinder, institute
Stating thread groove (7) is semi-cylindrical.
5. a kind of portable contact arm head according to claim 1, it is characterised in that：The pore size of the threaded hole (6)
It is identical as the diameter of thread groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499705.6U CN208142035U (en) | 2018-04-10 | 2018-04-10 | A kind of portable contact arm head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499705.6U CN208142035U (en) | 2018-04-10 | 2018-04-10 | A kind of portable contact arm head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142035U true CN208142035U (en) | 2018-11-23 |
Family
ID=64292274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820499705.6U Active CN208142035U (en) | 2018-04-10 | 2018-04-10 | A kind of portable contact arm head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142035U (en) |
-
2018
- 2018-04-10 CN CN201820499705.6U patent/CN208142035U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |