CN210091921U

CN210091921U - Explosion-proof capacitor

Info

Publication number: CN210091921U
Application number: CN201921205225.5U
Authority: CN
Inventors: 张丽涛
Original assignee: Tianjin Sanyuan Xintai Electrical Equipment Co Ltd
Current assignee: Tianjin Sanyuan Xintai Electrical Equipment Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-02-18
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses an explosion-proof capacitor relates to condenser production technical field, including casing and binding post, the outer wall bonding of casing has the protective sheath, and the inside downside of casing is provided with the core package, be fixed with the baffle in the middle of the inside of casing, and the upside of casing is provided with the apron, it has the regulating spindle to run through in the middle of the apron, the lower extreme fixedly connected with stopper of regulating spindle, be provided with the explosion-proof board between core package and the baffle, be provided with the regulating plate between baffle and the apron. The utility model discloses in, drive binding post through regulating plate and regulating spindle and move in vertical direction, make binding post's upper end be in the downside of apron upper surface, prevent to cause the damage to the binding post in the transportation, through the cooperation between shifting chute, explosion-proof board, spring, first contact, second contact, pressure release hole and the round hole, make this condenser not only can the automatic shutdown work in the trouble, can play explosion-proof effect moreover.

Description

Explosion-proof capacitor

Technical Field

The utility model relates to a condenser production technical field specifically is an explosion-proof capacitor.

Background

Two conductors in close proximity to each other with a non-conductive dielectric therebetween form a capacitor, which stores charge when a voltage is applied between the two plates of the capacitor. With the change of electronic information technology, the update speed of digital electronic products is faster and faster, and the production and sales volume of consumer electronic products such as flat panel televisions, notebook computers, digital cameras and the like is continuously increased, which drives the growth of capacitor industry. However, in the prior art, the wiring terminals of most capacitors are easy to damage due to collision in the transportation process, and the design of most capacitors is simple, so that the capacitors are easy to explode when faults occur, and the safety is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof capacitor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an explosion-proof capacitor, includes casing and binding post, the outer wall bonding of casing has the protective sheath, and the inside downside of casing is provided with the core package, be fixed with the baffle in the middle of the inside of casing, and the upside of casing is provided with the apron, it has the regulating spindle to run through in the middle of the apron, the lower extreme fixedly connected with stopper of regulating spindle, be provided with the explosion-proof board between core package and the baffle, and the upside of core package is provided with first contact, the upside of explosion-proof board is fixed with the sleeve pipe, and the downside of explosion-proof board is provided with the second contact, be provided with the regulating plate between baffle and the apron, threaded hole has been seted up to one side of regulating plate, the inner wall of casing is provided with the shifting chute, and the outer wall of casing has seted up the pressure release hole, the inside of.

As a further aspect of the present invention: the first contact and the second contact are both provided with two, the two first contacts are symmetrically distributed on the upper side of the core bag, the two second contacts are symmetrically distributed on the lower side of the explosion-proof plate, and the two first contacts are matched with the two second contacts.

As a further aspect of the present invention: the outer ring of the explosion-proof plate is located in the moving groove, the explosion-proof plate is connected with the upper side of the inner portion of the moving groove through a spring, the pressure relief hole is communicated with the round hole, and the pressure relief hole is located above the explosion-proof plate.

As a further aspect of the present invention: the upside of sheathed tube and baffle through connection, binding post is provided with two, two binding post and apron through connection, two binding post's lower extreme and two the upper end of second contact is through passing sheathed tube wire electric connection.

As a further aspect of the present invention: the regulating plate is connected with the two lower ends of the wiring terminals in an interference fit mode, threads matched with the threaded holes are arranged on the part, located inside the shell, of the regulating shaft, and the regulating shaft is connected with the regulating plate through the threaded holes.

Compared with the prior art, the beneficial effects of the utility model are that: drive binding post through regulating plate and regulating spindle and move in vertical direction, make binding post's upper end be in the downside of apron upper surface, prevent to cause the damage to binding post in the transportation, through the cooperation between shifting chute, explosion-proof board, spring, first contact, second contact, pressure release hole and the round hole, make this condenser not only can the automatic shutdown work in the trouble, can play explosion-proof effect moreover.

Drawings

Fig. 1 is a schematic structural diagram of an explosion-proof capacitor.

Fig. 2 is a schematic structural diagram of an adjusting plate and an adjusting shaft in an explosion-proof capacitor.

Fig. 3 is an enlarged structural schematic diagram of a in the explosion-proof capacitor.

The labels in the figure are: 1. a housing; 2. a protective sleeve; 3. a core package; 4. a partition plate; 5. a cover plate; 6. an explosion-proof plate; 7. an adjusting plate; 8. a wiring terminal; 9. an adjustment shaft; 10. a first contact piece; 11. a sleeve; 12. a second contact piece; 13. a limiting block; 14. a threaded hole; 15. a moving groove; 16. a spring; 17. a pressure relief vent; 18. a circular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, an explosion-proof capacitor comprises a housing 1 and a connecting terminal 8, a protective cover 2 is bonded to an outer wall of the housing 1, a core pack 3 is disposed on a lower side of an inner portion of the housing 1, a partition plate 4 is fixed in the middle of the inner portion of the housing 1, a cover plate 5 is disposed on an upper side of the housing 1, an adjusting shaft 9 penetrates through the middle of the cover plate 5, a stopper 13 is fixedly connected to a lower end of the adjusting shaft 9, an explosion-proof plate 6 is disposed between the core pack 3 and the partition plate 4, a first contact piece 10 is disposed on the upper side of the core pack 3, a sleeve 11 is fixed on the upper side of the explosion-proof plate 6, a second contact piece 12 is disposed on the lower side of the explosion-proof plate 6, two first contact pieces 10 and two second contact pieces 12 are disposed, two first contact pieces 10 are symmetrically distributed on the upper side of the core pack 3, two second contact, the upper side of a sleeve 11 is connected with a partition 4 in a penetrating way, two wiring terminals 8 are arranged, the two wiring terminals 8 are connected with a cover plate 5 in a penetrating way, the lower ends of the two wiring terminals 8 are electrically connected with the upper ends of two second contact pieces 12 through leads penetrating through the sleeve 11, an adjusting plate 7 is arranged between the partition 4 and the cover plate 5, one side of the adjusting plate 7 is provided with a threaded hole 14, the adjusting plate 7 is connected with the lower ends of the two wiring terminals 8 in an interference fit way, the part of an adjusting shaft 9, which is positioned inside a shell 1, is provided with threads matched with the threaded hole 14, the adjusting shaft 9 is connected with the adjusting plate 7 through the threaded hole 14, the two wiring terminals 8 are driven to move downwards through the rotation of the adjusting shaft 9, the upper ends of the wiring terminals 8 are positioned at the lower side of the upper surface of the cover plate 5, the damage to, the inside of moving groove 15 is provided with spring 16, round hole 18 has been seted up with the part of casing 1 contact to protective sheath 2, the outer lane of blast proof board 6 is in the inside of moving groove 15, and blast proof board 6 passes through spring 16 with the upside of moving groove 15 inside and is connected, pressure release hole 17 and round hole 18 intercommunication, and pressure release hole 17 is in the top of blast proof board 6, when core package 3 breaks down, core package 3 produces a large amount of heats, lead to its top pressure to increase, can step down through pressure release hole 17 and round hole 18, the explosion-proof effect has been played.

The utility model discloses a theory of operation is: before the transportation, at first drive regulating plate 7 downstream through rotatory regulating shaft 9, regulating plate 7 drives two binding post 8 downstream, until binding post 8's upper end is in the downside of apron 5 upper surface, prevent to cause the damage to the binding post in the transportation, in the use, when core package 3 breaks down, core package 3 produces a large amount of heats, lead to its top pressure to increase, pressure increase makes explosion-proof board 6 extrusion spring 16 upward movement, explosion-proof board 6 is at the process of rebound, make first contact 10 and second contact 12 relieve, this condenser work of automatic shutdown promptly, when explosion-proof board 6 is in the top of pressure release hole 17, through making casing 1 inside and external intercommunication through pressure release hole 17 and round hole 18, the effect of stepping down has promptly been carried out, the effect of explosion-proof has been played.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An explosion-proof capacitor, includes casing (1) and binding post (8), its characterized in that: the anti-explosion shell comprises a shell (1), wherein a protective sleeve (2) is bonded on the outer wall of the shell (1), a core bag (3) is arranged on the lower side inside the shell (1), a partition plate (4) is fixed in the middle inside the shell (1), a cover plate (5) is arranged on the upper side of the shell (1), an adjusting shaft (9) penetrates through the middle of the cover plate (5), a limiting block (13) is fixedly connected to the lower end of the adjusting shaft (9), an anti-explosion plate (6) is arranged between the core bag (3) and the partition plate (4), a first contact piece (10) is arranged on the upper side of the core bag (3), a sleeve (11) is fixed on the upper side of the anti-explosion plate (6), a second contact piece (12) is arranged on the lower side of the anti-explosion plate (6), an adjusting plate (7) is arranged between the partition plate (4) and the cover plate (5), a threaded hole (14) is, and the outer wall of the shell (1) is provided with a pressure relief hole (17), a spring (16) is arranged in the moving groove (15), and a round hole (18) is formed in the contact part of the protective sleeve (2) and the shell (1).

2. An explosion-proof capacitor as set forth in claim 1, wherein: the core bag is characterized in that the first contact pieces (10) and the second contact pieces (12) are arranged in two numbers, the first contact pieces (10) are symmetrically distributed on the upper side of the core bag (3), the second contact pieces (12) are symmetrically distributed on the lower side of the explosion-proof plate (6), and the first contact pieces (10) are matched with the second contact pieces (12).

3. An explosion-proof capacitor as set forth in claim 1, wherein: the outer ring of the explosion-proof plate (6) is located inside the moving groove (15), the explosion-proof plate (6) is connected with the upper side inside the moving groove (15) through a spring (16), the pressure relief hole (17) is communicated with the round hole (18), and the pressure relief hole (17) is located above the explosion-proof plate (6).

4. An explosion-proof capacitor as set forth in claim 1, wherein: the upside and baffle (4) through connection of sleeve pipe (11), binding post (8) are provided with two, two binding post (8) and apron (5) are run-through to be connected, two the lower extreme and two of binding post (8) the upper end of second contact (12) is through the wire electric connection who passes sleeve pipe (11).

5. An explosion-proof capacitor as set forth in claim 1, wherein: regulating plate (7) and two the lower extreme interference fit of binding post (8) is connected, the part that regulating shaft (9) is in casing (1) inside is provided with screw hole (14) assorted screw thread, and regulating shaft (9) are connected through screw hole (14) with regulating plate (7).