CN209571361U - A kind of HVAC vacuum circuit breaker buffer unit - Google Patents
A kind of HVAC vacuum circuit breaker buffer unit Download PDFInfo
- Publication number
- CN209571361U CN209571361U CN201821709162.2U CN201821709162U CN209571361U CN 209571361 U CN209571361 U CN 209571361U CN 201821709162 U CN201821709162 U CN 201821709162U CN 209571361 U CN209571361 U CN 209571361U
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- China
- Prior art keywords
- sleeve
- buffer unit
- left end
- end cap
- circuit breaker
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Abstract
The utility model discloses a kind of HVAC vacuum circuit breaker buffer unit, including barrel device, breaking buffer unit is installed in the barrel device；The barrel device includes cylinder, right end cap, left end cap, guide holder, pilot hole, guide rod, bead and handle, the right end of the cylinder has been connected through a screw thread right end cap, the left end of the cylinder has been connected through a screw thread left end cap, the left end of the left end cap is fixedly connected with guide holder, and sliding sleeve is connected to guide rod in the guide holder；The open circuit buffer unit includes fixed conducting rod, vacuum interrupter, movable insulation sleeve, sliding block, contact, spring, conducting block, active conductive bar, positioning sleeve, annular groove, inclined-plane and bellows.The HVAC vacuum circuit breaker buffer unit can guarantee that circuit is connected, and avoid occurring to break down because contact is bad when breaker access, and structure is simple, easy to operate.
Description
Technical field
The utility model relates to vacuum circuit breaker technical field, specially a kind of HVAC vacuum circuit breaker buffering dress
It sets.
Background technique
The dielectric of vacuum circuit breaker contact gap after its arc-extinguishing medium and arc extinguishing is gained the name due to being all high vacuum.Open circuit
Device can generate electric arc, be equipped with vacuum interrupter in vacuum circuit breaker, can inhibit cut-off overvoltage in open circuit, have slow
Rush function.
Common HVAC vacuum circuit breaker structure is more complicated, inconvenient, and circuit connect when, equipment by
Lead to have the danger that open circuit occurs between contact in vibration.
Utility model content
The purpose of this utility model is to provide a kind of HVAC vacuum circuit breaker buffer units, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of HVAC vacuum circuit breaker buffering
Device, including barrel device are equipped with breaking buffer unit in the barrel device；
The barrel device includes cylinder, right end cap, left end cap, guide holder, pilot hole, guide rod, bead and handle, described
The right end of cylinder has been connected through a screw thread right end cap, and the left end of the cylinder has been connected through a screw thread left end cap, the left end cap
Left end be fixedly connected with guide holder, sliding sleeve is connected to guide rod in the guide holder；
The open circuit buffer unit include fixed conducting rod, vacuum interrupter, movable insulation sleeve, sliding block, contact, spring,
Conducting block, active conductive bar, positioning sleeve, annular groove, inclined-plane and bellows, the fixed conducting rod are fixedly attached with right end cap,
The outside fixing sleeve of the fixed conducting rod is connected to vacuum interrupter, and the inner wall of the vacuum interrupter and cylinder is slidably socketed,
Movable insulation sleeve is slidably socketed in the vacuum extinction room, sliding sleeve is connected to sliding block, the sliding block in the activity insulation sleeve
Right end be fixedly connected with contact, the contact is contacted with fixed conducting rod, and the left end of the sliding block, which connects, spring 26,
The spring 26 is contacted with conducting block 27, the left end of the conducting block is fixedly connected with active conductive bar, the active conductive bar
Outside fixing sleeve be connected to positioning sleeve.
Preferably, the guide holder is provided with pilot hole, and sliding sleeve is connected to guide rod in the pilot hole.
Preferably, the lower end of the guide rod is fixedly connected with bead, and the upper end of the guide rod is fixedly connected with handle.
Preferably, the positioning sleeve is connected through a screw thread with movable insulation sleeve, and the positioning sleeve is provided with annular groove.
Preferably, the positioning sleeve insulation, the positioning sleeve are provided with inclined-plane, and the inclined-plane is contacted with bead.
Preferably, the outside fixing sleeve of the movable insulation sleeve is connected to bellows, and the bellows and vacuum interrupter are solid
Fixed connection.
Compared with prior art, the utility model has the beneficial effects that the HVAC vacuum circuit breaker buffer unit energy
Enough guarantee that circuit is connected, avoids occurring to break down because contact is bad when breaker access, and structure is simple, operation side
Just.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is enlarged drawing at the A of the utility model；
Fig. 3 is enlarged drawing at the B of the utility model.
In figure: 1 barrel device, 11 cylinders, 12 right end caps, 13 left end caps, 14 guide holders, 15 pilot holes, 16 guide rods, 17 small
Ball, 18 handles, 2 breaking buffer units, 21 fixed conducting rods, 22 vacuum interrupters, 23 movable insulation sleeves, 24 sliding blocks, 25 contacts,
26 springs, 27 conducting blocks, 28 active conductive bars, 29 positioning sleeves, 210 annular grooves, 211 inclined-planes, 212 bellowss.
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.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of HVAC vacuum circuit breaker buffering dress
It sets, including barrel device 1, breaking buffer unit 2 is installed in barrel device 1；
Barrel device 1 includes cylinder 11, right end cap 12, left end cap 13, guide holder 14, pilot hole 15, guide rod 16, bead 17
With handle 18, the right end of cylinder 11 has been connected through a screw thread right end cap 12, has insulating properties, and the left end of cylinder 11 is connected by screw thread
It is connected to left end cap 13, there is insulating properties, the left end of left end cap 13 is fixedly connected with guide holder 14, is slidably socketed in guide holder 14
There is guide rod 16, guide holder 14 is provided with pilot hole 15, and sliding sleeve is connected to guide rod 16 in pilot hole 15, and guide rod 16 can be in pilot hole
Sliding in 15, the lower end of guide rod 16 are fixedly connected with bead 17, and the upper end of guide rod 16 is fixedly connected with handle 18, convenient to leading
Bar 16 is operated；
Breaking buffer unit 2 includes fixed conducting rod 21, vacuum interrupter 22, movable insulation sleeve 23, sliding block 24, contact
25, spring 26, conducting block 27, active conductive bar 28, positioning sleeve 29, annular groove 210, inclined-plane 211 and bellows 212, fixation are led
Electric pole 21 is fixedly attached with right end cap 12, and fixed conducting rod 21 is connect with the conducting wire in circuit, and the outside of fixed conducting rod 21 is solid
Surely it is socketed with vacuum interrupter 22, vacuum interrupter 22 and the inner wall of cylinder 11 are slidably socketed, and vacuum interrupter 22, which has, to be inhibited
The effect of cut-off overvoltage has buffer function to connecting and disconnecting of the circuit, belongs to the prior art, sliding sleeve is connected in vacuum interrupter 22
Movable insulation sleeve 23 has insulating effect, and sliding sleeve is connected to sliding block 24 in movable insulation sleeve 23, and sliding block 24 has electric action,
The right end of sliding block 24 is fixedly connected with contact 25, and contact 25 is contacted with fixed conducting rod 21, realizes circuit communication, a left side for sliding block 24
End in contact is connected with spring 26, has compression elasticity effect, and spring 26 is contacted with conducting block 27, and the left end of conducting block 27 is fixed to be connected
It is connected to active conductive bar 28, active conductive bar 28 is connect with the conducting wire in circuit, and the outside fixing sleeve of active conductive bar 28 is connected to
Positioning sleeve 29, positioning sleeve 29 have insulating properties, and positioning sleeve 29 is connected through a screw thread with movable insulation sleeve 23, and positioning sleeve 29 is provided with
Annular groove 210 has positioning action, and positioning sleeve 29 insulate, and positioning sleeve 29 is provided with inclined-plane 211, and inclined-plane 211 connects with bead 17
Touching when bead 17 moves down, can generate active force to inclined-plane 211, thrust to the left be generated to positioning sleeve 29, so that positioning
Set 29 is moved to the left, and the outside fixing sleeve of movable insulation sleeve 23 is connected to bellows 212, is tensional state, there is tensile-elasticity to make
With bellows 212 is fixedly connected with vacuum interrupter 22.
When the utility model is specifically implemented: when the circuit is energized, under the compression elasticity effect of spring 26, sliding block 24 by
Thrust to the right is arrived, so that contact 25 is by thrust to the right, so that contact 25 contacts fixed conducting rod always
21, when breaker is when being shaken, contact 25 can guarantee traffic clearance, avoid that breaking phenomena occurs, set to electric power
It applies and impacts；When needing down circuitry, handle 18 is held, then presses down on handle 18, handle 18 is moved down, pushed away
Dynamic guide rod 16 is moved down along pilot hole 15, and guide rod 16 pushes bead 17 to move down, and bead 17 acts on the oblique of positioning sleeve 29
Face 211 generates thrust to the left to positioning sleeve 29, so that positioning sleeve 29 is moved to the left, 29 drive activity insulation sleeve 23 of positioning sleeve
It is moved to the left, movable insulation sleeve 23 is moved to the left with movable slider 24, and sliding block 24 is moved to the left with moving contact 25, and contact 25 leaves
Fixation conducting rod 21, bead 17 are caught in annular groove 210, position to positioning sleeve 29, down circuitry, contact 25 and fixation
Conducting rod 21 can generate electric arc when separating, and under the effect of vacuum interrupter 22, electric arc extinguishes rapidly, reduces rushing for cut-off overvoltage
It hits, structure is simple, easy to operate.
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 (6)
1. a kind of HVAC vacuum circuit breaker buffer unit, including barrel device (1), it is characterised in that: the barrel device
(1) breaking buffer unit (2) are installed in；
The barrel device (1) include cylinder (11), right end cap (12), left end cap (13), guide holder (14), pilot hole (15),
The right end of guide rod (16), bead (17) and handle (18), the cylinder (11) has been connected through a screw thread right end cap (12), the cylinder
The left end of body (11) has been connected through a screw thread left end cap (13), and the left end of the left end cap (13) is fixedly connected with guide holder
(14), the interior sliding sleeve of the guide holder (14) is connected to guide rod (16)；
The open circuit buffer unit (2) includes fixed conducting rod (21), vacuum interrupter (22), movable insulation sleeve (23), sliding block
(24), contact (25), spring (26), conducting block (27), active conductive bar (28), positioning sleeve (29), annular groove (210), inclined-plane
(211) it is fixedly attached with bellows (212), the fixed conducting rod (21) with right end cap (12), the fixed conducting rod (21)
Outside fixing sleeve be connected to vacuum interrupter (22), the vacuum interrupter (22) and the inner wall of cylinder (11) are slidably socketed, institute
It states vacuum interrupter (22) interior sliding sleeve to be connected to movable insulation sleeve (23), described activity insulation sleeve (23) interior sliding sleeve is connected to sliding block
(24), the right end of the sliding block (24) is fixedly connected with contact (25), and the contact (25) contacts with fixed conducting rod (21), institute
The left end for stating sliding block (24), which connects, to be had spring (26), and the spring (26) contacts with conducting block (27), the conducting block
(27) left end is fixedly connected with active conductive bar (28), and the outside fixing sleeve of the active conductive bar (28) is connected to positioning sleeve
(29)。
2. a kind of HVAC vacuum circuit breaker buffer unit according to claim 1, it is characterised in that: the guide holder
(14) it is provided with pilot hole (15), the interior sliding sleeve of the pilot hole (15) is connected to guide rod (16).
3. a kind of HVAC vacuum circuit breaker buffer unit according to claim 1, it is characterised in that: the guide rod
(16) lower end is fixedly connected with bead (17), and the upper end of the guide rod (16) is fixedly connected with handle (18).
4. a kind of HVAC vacuum circuit breaker buffer unit according to claim 1, it is characterised in that: the positioning sleeve
(29) it is connected through a screw thread with movable insulation sleeve (23), the positioning sleeve (29) is provided with annular groove (210).
5. a kind of HVAC vacuum circuit breaker buffer unit according to claim 1, it is characterised in that: the positioning sleeve
(29) it insulate, the positioning sleeve (29) is provided with inclined-plane (211), and the inclined-plane (211) contacts with bead (17).
6. a kind of HVAC vacuum circuit breaker buffer unit according to claim 1, it is characterised in that: the activity is absolutely
The outside fixing sleeve of edge set (23) is connected to bellows (212), and the bellows (212) is fixedly connected with vacuum interrupter (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709162.2U CN209571361U (en) | 2018-10-22 | 2018-10-22 | A kind of HVAC vacuum circuit breaker buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709162.2U CN209571361U (en) | 2018-10-22 | 2018-10-22 | A kind of HVAC vacuum circuit breaker buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571361U true CN209571361U (en) | 2019-11-01 |
Family
ID=68319433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821709162.2U Active CN209571361U (en) | 2018-10-22 | 2018-10-22 | A kind of HVAC vacuum circuit breaker buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117810017A (en) * | 2024-02-29 | 2024-04-02 | 武汉飞特电气有限公司 | Vacuum switch tube with external corrugated tube |
-
2018
- 2018-10-22 CN CN201821709162.2U patent/CN209571361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117810017A (en) * | 2024-02-29 | 2024-04-02 | 武汉飞特电气有限公司 | Vacuum switch tube with external corrugated tube |
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