CN210744220U

CN210744220U - Explosion-proof bolt

Info

Publication number: CN210744220U
Application number: CN201921253651.6U
Authority: CN
Inventors: 钱利萍
Original assignee: Zhejiang Guangshun Explosion Proof Electrical Co ltd
Current assignee: Zhejiang Guangshun Explosion Proof Electrical Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-12
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses an explosion-proof bolt, including the connecting plate, the inner wall of connecting plate has seted up the cavity, one side of cavity communicates with each other with the one end of plug bush, the inside of plug bush alternates with the one end of bolt and is connected, one side of connecting plate has seted up the jack, the other end of bolt passes jack and spacing ring in proper order and with one side fixed connection of push pedal, the top fixed mounting of cavity inner wall has the electro-magnet, one side fixed connection at bolt top has the movable conducting strip, the utility model relates to an explosion-proof bolt can keep the circuit to break off in the process of plug bolt, has higher security, through setting up limiting plate magnetic sheet isotructure, rotates excessively when avoiding plug bolt and leads to the circuit separation incomplete, causes the operation to hinder or leads to the electric shock; through setting up dust guard isotructure for after the bolt was extracted, the jack can seal by oneself, prevents that the foreign matter from getting into, guarantees bolt normal use.

Description

Explosion-proof bolt

Technical Field

The utility model relates to a bolt, in particular to explosion-proof bolt belongs to bolt technical field.

Background

Most bolt at present is direct plug-in, can not carry out interlocking device, and the bolt can not use under the explosive environment for ordinary bolt, and the protection against electric shock grade is low, often can appear the condition emergence of electrocuteeing under the condition that the staff is unknown. The anti-explosion bolt is provided with the quick change-over switch, can keep the circuit to be interrupted in the process of inserting and pulling out the bolt, has higher security, is provided with dustproof construction simultaneously for after the bolt is pulled out, the jack can seal by oneself, prevents that the foreign matter from getting into, guarantees the bolt normal operating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof bolt to solve the traditional bolt that proposes in the above-mentioned background art and can not use under the explosive environment, the protection against electric shock level is low, the relatively poor problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion-proof bolt, includes the connecting plate, the cavity has been seted up to the inner wall of connecting plate, one side of cavity communicates with each other with the one end of plug bush, the inside of plug bush alternates with the one end of bolt and is connected, the jack has been seted up to one side of connecting plate, the other end of bolt pass in proper order jack and spacing ring and with one side fixed connection of push pedal, the top fixed mounting of cavity inner wall has the electro-magnet, one side fixedly connected with movable conducting strip at bolt top, one side fixedly connected with fixed conducting strip of plug bush inner wall.

As a preferred technical scheme of the utility model, the one end of plug bush inner wall is inlayed and is equipped with first insulating rubber circle, the middle part of first insulating rubber circle is inlayed and is equipped with first conductive circle, fixed conducting strip and first conductive circle electric connection, the inner wall of push pedal is inlayed and is equipped with second insulating rubber circle, the middle part of second insulating rubber circle is inlayed and is equipped with the second conductive circle, the electro-magnet passes through movable conducting strip and the conductive circle electric connection of second, first conductive circle and the conductive circle of second are all through external switch and external power supply electric connection.

As a preferred technical scheme of the utility model, the middle part fixedly connected with limiting plate of bolt, two spacing grooves, two have been seted up to the inner wall of spacing ring one side of limiting plate is connected with the inner wall block of two spacing grooves respectively.

As an optimized technical scheme of the utility model, two the equal fixedly connected with magnetic sheet in both ends of spacing inslot wall.

As a preferred technical scheme of the utility model, the bottom fixed connection of spring and dust guard is passed through to one side of cavity inner wall bottom, the middle part fixedly connected with baffle of cavity inner wall bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an explosion-proof bolt can use under the explosive environment, can keep the circuit to break in the process of plug bolt, has higher security, through setting up limiting plate magnetic sheet isotructure, rotates excessively when avoiding plug bolt and leads to the circuit to separate incompletely, causes the operation to hinder or leads to the electric shock; by arranging the insulating sealing ring, the insulating capability of circuit connection in the plug pin is improved, and the safety of the plug pin in use is improved; through setting up dust guard isotructure for after the bolt was extracted, the jack can seal by oneself, prevents that the foreign matter from getting into, guarantees bolt normal use.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

fig. 3 is a perspective view of the present invention.

In the figure: 1. a connecting plate; 2. inserting a sleeve; 3. a bolt; 4. a limiting ring; 5. pushing the plate; 6. an electromagnet; 7. a movable conductive sheet; 8. fixing the conducting strip; 9. a first conductive loop; 10. a second conductive loop; 11. a limiting plate; 12. a limiting groove; 13. a magnetic sheet; 14. a dust-proof plate; 15. and a baffle plate.

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.

Please refer to fig. 1-3, the utility model provides an explosion-proof bolt, including connecting plate 1, the cavity has been seted up to the inner wall of connecting plate 1, one side of cavity communicates with each other with the one end of plug bush 2, the inside of plug bush 2 alternates with the one end of bolt 3 and is connected, the jack has been seted up to one side of connecting plate 1, the other end of bolt 3 passes jack and spacing ring 4 in proper order and with one side fixed connection of push pedal 5, the top fixed mounting of cavity inner wall has electro-magnet 6, one side fixedly connected with movable conducting strip 7 at bolt 3 top, one side fixedly connected with fixed conducting strip 8 of plug bush 2 inner wall, the model of electro-magnet 6 is GP 37-S-A.

Preferably, the one end of 2 inner walls of plug bush inlays and is equipped with first insulating rubber circle, the middle part of first insulating rubber circle is inlayed and is equipped with first conductive ring 9, fixed conducting strip 8 and first conductive ring 9 electric connection, the inner wall of push pedal 5 inlays and is equipped with second insulating rubber circle, the middle part of second insulating rubber circle is inlayed and is equipped with second conductive ring 10, electro-magnet 6 is through activity conducting strip 7 and second conductive ring 10 electric connection, first conductive ring 9 and second conductive ring 10 are all through external switch and external power supply electric connection, circuit connection's insulating ability in the hoisting device, the security when the hoisting device uses.

Preferably, the middle part fixedly connected with limiting plate 11 of bolt 3, two spacing grooves 12 have been seted up to the inner wall of spacing ring 4, and one side of two limiting plates 11 is connected with the inner wall block of two spacing grooves 12 respectively, and it is incomplete to rotate excessively when avoiding plug bolt 3 and lead to the circuit separation, causes the operation to hinder or lead to electrocuteeing.

Preferably, the two ends of the inner walls of the two limit grooves 12 are fixedly connected with magnetic sheets 13, the bolt 3 rotates, the accuracy of the motion position of the limit plate 11 in the limit groove 12 is guaranteed, and meanwhile, the operation of a user is more convenient.

Preferably, one side of cavity inner wall bottom is through the bottom fixed connection of spring with dust guard 14, and the middle part fixedly connected with baffle 15 of cavity inner wall bottom for after plug 3 extracted, the jack can seal by oneself, prevents that the foreign matter from getting into, guarantees the normal use of device.

When specifically using, the utility model relates to an explosion-proof bolt, promote push pedal 5 with bolt 3 push into plug bush 2 inside, rotate push pedal 5, when one side of two limiting plates 11 respectively with two spacing groove 12 one end two magnetic sheets 13 contact adsorb, activity conducting strip 7 just contacts with fixed conducting strip 8, the circuit switch-on, 6 circular telegrams of electro-magnet this moment, inhale bolt 3 tightly the locking, when bolt 3 is extracted to needs, rotate

push pedal

5, 6 outage of electro-magnet when activity conducting strip 7 separates with fixed conducting strip 8, accessible pulling push pedal 5 normally extracts bolt 3 this moment, when the one end of bolt 3 shifts out from the jack, the spring will promote dust guard 14 and seal the jack, prevent that the foreign object from getting into.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof bolt, includes connecting plate (1), its characterized in that, the cavity has been seted up to the inner wall of connecting plate (1), one side of cavity communicates with each other with the one end of plug bush (2), the inside of plug bush (2) alternates with the one end of bolt (3) and is connected, the jack has been seted up to one side of connecting plate (1), the other end of bolt (3) pass jack and spacing ring (4) in proper order and with one side fixed connection of push pedal (5), the top fixed mounting of cavity inner wall has electro-magnet (6), one side fixedly connected with movable conducting strip (7) at bolt (3) top, one side fixedly connected with fixed conducting strip (8) of plug bush (2) inner wall.

2. An explosion proof latch as defined in claim 1 in which: the one end of plug bush (2) inner wall inlays and is equipped with first insulating rubber circle, the middle part of first insulating rubber circle is inlayed and is equipped with first conductive ring (9), fixed conducting strip (8) and first conductive ring (9) electric connection, the inner wall of push pedal (5) inlays and is equipped with second insulating rubber circle, the middle part of second insulating rubber circle is inlayed and is equipped with second conductive ring (10), electro-magnet (6) are through activity conducting strip (7) and second conductive ring (10) electric connection, first conductive ring (9) and second conductive ring (10) are all through external switch and external power supply electric connection.

3. An explosion proof latch as defined in claim 1 in which: the middle part fixedly connected with limiting plate (11) of bolt (3), two spacing grooves (12) have been seted up to the inner wall of spacing ring (4), two one side of limiting plate (11) is connected with the inner wall block of two spacing grooves (12) respectively.

4. An explosion proof latch as defined in claim 3 in which: two ends of the inner wall of the two limit grooves (12) are fixedly connected with magnetic sheets (13).

5. An explosion proof latch as defined in claim 1 in which: one side of cavity inner wall bottom passes through the bottom fixed connection of spring and dust guard (14), the middle part fixedly connected with baffle (15) of cavity inner wall bottom.