阅读说明：本技术 一种基于电磁铁的滑块式隔爆机构 (Sliding block type explosion-proof mechanism based on electromagnet ) 是由 史立杰 齐建 蔡昕辰 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种基于电磁铁的滑块式隔爆机构,包括钢球(3)、本体(1)、盖板(7)及与本体(1)连接的滑块(2)、推销器(5)和电磁铁(6)；滑块(2)一侧的大端面设有第一限位槽(202),另一侧的大端面设有第二限位槽(204),所述滑块(2)设于本体(1)内并与本体(1)可移动式滑动连接,推销器(5)头部与第一限位槽(202)对应,电磁铁(6)头部卡在第二限位槽(204)内,主体(1)中部设有垂直通孔(103),盖板(7)的中部设有与垂直通孔(103)对应的盖板孔(701),滑块(2)的中部设有与垂直通孔(103)匹配的第二台阶孔(203)。本发明的基于电磁铁的滑块式隔爆机构,结构紧凑实用性强。(The invention discloses a sliding block type explosion-proof mechanism based on an electromagnet, which comprises a steel ball (3), a body (1), a cover plate (7), a sliding block (2) connected with the body (1), a pin pushing device (5) and an electromagnet (6); the big terminal surface of slider (2) one side is equipped with first spacing groove (202), and the big terminal surface of opposite side is equipped with second spacing groove (204), body (1) interior and with body (1) movable sliding connection are located in slider (2), promote ware (5) head and correspond with first spacing groove (202), electro-magnet (6) head card is in second spacing groove (204), main part (1) middle part is equipped with perpendicular through-hole (103), the middle part of apron (7) is equipped with apron hole (701) that correspond with perpendicular through-hole (103), the middle part of slider (2) is equipped with second step hole (203) that matches with perpendicular through-hole (103). The sliding block type explosion-proof mechanism based on the electromagnet is compact in structure and strong in practicability.)

1. A slider type explosion suppression mechanism based on an electromagnet is characterized by comprising a steel ball (3), a body (1), a cover plate (7) covered on the body (1), a slider (2) connected with the body (1), a pin pushing device (5) and an electromagnet (6);

a first limiting groove (202) corresponding to the through hole (104) is formed in the large end face of one side of the sliding block (2), and a second limiting groove (204) corresponding to the first stepped hole (105) is formed in the large end face of the other side of the sliding block;

the sliding block (2) is arranged in the body (1) and is movably connected with the body (1) in a sliding manner, the pin pushing device (5) is arranged on one side of the sliding block (2), the head of the pin pushing device corresponds to the first limiting groove (202) and limits the steel ball (3) in the first limiting groove (202), the electromagnet (6) is arranged corresponding to the second limiting groove (204), and the head of the electromagnet is clamped in the second limiting groove (204);

the middle part of main part (1) is equipped with perpendicular through-hole (103), the middle part of apron (7) be equipped with apron hole (701) that perpendicular through-hole (103) correspond, the middle part of slider (2) be equipped with second step hole (203) that perpendicular through-hole (103) match.

2. The slide block type explosion suppression mechanism based on the electromagnet is characterized in that a main groove (101) used for installing the slide block (2) and having a length larger than that of the slide block (2) is formed in the body (1).

3. The slide block type explosion-proof mechanism based on the electromagnet is characterized in that one side of the main groove (101) is provided with a step round hole (106) which is parallel to the main groove and used for installing the pushing pin device (5) and a through hole (104) which is perpendicular to the step round hole (106) and used for placing the steel ball (3).

4. The slide block type explosion suppression mechanism based on the electromagnet according to claim 3, wherein a first stepped hole (105) which is perpendicular to the main groove (101) and used for installing the electromagnet (6) is formed in the other side of the main groove (101).

5. The sliding block type explosion suppression mechanism based on the electromagnet according to any one of claims 1 to 4, wherein a blind hole (201) is formed in the end portion of the small end face of the sliding block (2), and a push spring (4) is arranged in the blind hole (201).

6. The slide block type explosion-proof mechanism based on the electromagnet according to claim 5, wherein the depth of the blind hole (201) is larger than the full compression height of the push spring (4) and is smaller than the length of the push spring (4) in a natural state.

7. The slide block type explosion suppression mechanism based on the electromagnet is characterized in that shallow grooves with the length and the width larger than those of the main groove (101) are formed in the top of the body (1) and the top of the groove (101).

8. The slide block type explosion suppression mechanism based on the electromagnet is characterized in that a fixing through hole (102) penetrating through the body (1) and communicated with the main groove is formed in the end portion of the main groove (101).

9. The slide block type explosion suppression mechanism based on the electromagnet is characterized in that a mounting screw rod is installed in the fixing through hole (102).

Technical Field

The invention belongs to the technical field of safety isolation devices, and particularly relates to a sliding block type explosion-proof mechanism based on an electromagnet.

Background

The initiating explosive device is a general name of a disposable acting device which is filled with gunpowder or explosive and generates explosion or combustion after being stimulated by the outside, and the initiating explosive device is generally provided with an isolation mechanism which is used for isolating a sensitive initiating explosive element in a booster sequence from a next-stage initiating explosive element at ordinary times, so that the sensitive initiating explosive element cannot detonate the next-stage initiating explosive element when the sensitive initiating explosive element is used accidentally, and the safety of personnel and equipment during service processing is ensured.

The existing explosive-proof mechanism with two-stage safety is large in size, low in universality, complex in structure and low in reliability. The use of the slider type isolation mechanism is limited due to the defects, and the practicability of the slider type isolation mechanism is influenced to a certain extent.

Disclosure of Invention

Aiming at the defects or improvement requirements of the prior art, the invention provides a sliding block type explosion-proof mechanism based on an electromagnet, wherein a horizontally moving sliding block is arranged in a body, a first limiting groove and a second limiting groove are arranged on the sliding block, a steel ball is clamped on the first limiting groove through a pin pushing device, and the head of the electromagnet is clamped on the second limiting groove, so that two-stage limiting of the sliding block is realized, the explosion-leading material in a second step hole of the sliding block is separated from the vertical through hole of a main body and the explosion-leading material in a cover plate hole of a cover plate at the initial position, and is aligned with the vertical through hole of the main body and the explosion-leading material in the cover plate hole after the limiting of the sliding block is relieved, and the integral explosion-proof mechanism is compact in arrangement and has good explosion-.

In order to achieve the aim, the invention provides a sliding block type explosion-proof mechanism based on an electromagnet, which comprises a steel ball, a body, a cover plate covering the body, a sliding block connected with the body, a pushing pin device and the electromagnet;

a first limiting groove corresponding to the through hole is formed in the large end face of one side of the sliding block, and a second limiting groove corresponding to the first stepped hole is formed in the large end face of the other side of the sliding block;

the sliding block is arranged in the body and is movably and slidably connected with the body, the pin pushing device is arranged on one side of the sliding block, the head of the pin pushing device corresponds to the first limiting groove and limits the steel ball in the first limiting groove, the electromagnet is arranged corresponding to the second limiting groove, and the head of the electromagnet is clamped in the second limiting groove;

the middle part of main part is equipped with perpendicular through-hole, the middle part of apron be equipped with the apron hole that perpendicular through-hole corresponds, the middle part of slider be equipped with the second step hole that perpendicular through-hole matches.

Furthermore, the main groove used for installing the sliding block and with the length larger than that of the sliding block is arranged on the body.

Furthermore, one side of the main groove is provided with a step round hole which is parallel to the main groove and used for installing the pushing pin device and a through hole which is perpendicular to the step round hole and used for placing the steel ball.

Furthermore, a first step hole which is perpendicular to the main groove and used for installing the electromagnet is formed in the other side of the main groove.

Furthermore, the end part of the small end face of the sliding block is provided with a blind hole, and a push spring is arranged in the blind hole.

Further, the depth of the blind hole is larger than the full compression height of the push spring and smaller than the length of the push spring in a natural state.

Furthermore, shallow grooves with the length and the width larger than those of the main groove are formed in the top of the body and the top of the groove.

Furthermore, the end part of the main groove is provided with a fixing through hole which penetrates through the body and is communicated with the main groove.

Furthermore, the fixing through hole is internally provided with a mounting screw.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

(1) the sliding block type explosion-proof mechanism based on the electromagnet is characterized in that a sliding block which moves horizontally is arranged in a body, a first limiting groove and a second limiting groove are arranged on the sliding block, a steel ball is clamped on the first limiting groove through a pin pushing device, and the head of the electromagnet is clamped on the second limiting groove, so that two-stage limiting of the sliding block is realized, the explosion-proof material in a second step hole of the sliding block is separated from the explosion-proof material in a vertical through hole of a main body and a cover plate hole at an initial position, and is aligned with the explosion-proof material in the vertical through hole of the main body and the cover plate hole after the limiting of the sliding block is relieved.

(2) According to the sliding block type explosion-proof mechanism based on the electromagnet, the blind hole is formed in the small end face of the sliding block, the push spring is arranged in the blind hole, the sliding block is clamped at the initial position in the initial state, the push spring is in a compressed state, and the sliding block horizontally moves under the action of the elastic force of the push spring after constraint is removed, so that automatic alignment is achieved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a body according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a body in an embodiment of the invention;

FIG. 4 is a cross-sectional view of a slider in an embodiment of the present invention;

FIG. 5 is a schematic diagram of a promotional aid according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an embodiment of the present invention;

in all the figures, the same reference numerals denote the same features, in particular: 1-body, 101-main groove, 102-fixed through hole, 103-vertical through hole, 104-through hole, 105-first step hole, 106-step round hole, 107-small round hole and 108-big round hole;

2-a sliding block, 201-a blind hole, 202-a first limit groove, 203-a second stepped hole and 204-a second limit groove;

3-steel ball, 4-push spring, 5-pushing pin device, 501-push rod head, 6-electromagnet, 601-limiting head, 7-cover plate, 701-cover plate hole and 8-detonating powder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention. As shown in figure 1, the slide block type explosion-proof mechanism based on the electromagnet comprises a body 1, a slide block 2, a steel ball 3, a push spring 4, a pin pushing device 5, an electromagnet 6, a state indicating switch 7, a cover plate 7 and an explosion-conducting agent 8, wherein the slide block 2, the pin pushing device 5, the electromagnet 6 and the state indicating switch 7 are all arranged in a groove of the body 1 and connected with the body 1, and the cover plate 7 covers the top of the groove on the body 1 to play a role in sealing.

Fig. 2 is a schematic structural diagram of the main body in the embodiment of the present invention. Figure 3 is a cross-sectional view of a body in an embodiment of the invention. As shown in fig. 2 and 3, a main groove 101 is arranged in the middle of the body 1, the main groove is long, the main groove 101 is used for placing the slider 2, the length of the main groove 101 is greater than that of the slider 2, and the depth of the main groove 101 is greater than the height of the slider, so that the main groove 101 can accommodate the slider 2, and the slider can move in the main groove 101 along the length direction. Further, the body 1 is provided with a vertical through hole 103 in the middle of the main groove 101, and an initiating explosive device, preferably an electric detonator, is installed in the vertical through hole 103.

Preferably, two ends of the main groove 101 are provided with a groove a and a groove B which are wider than the main groove;

further, the body 1 is provided with a fixing through hole 102 at the end of the main groove 101, the fixing through hole 102 penetrates through the body 1 and is communicated with the main groove 101, the fixing through hole 102 is preferably a flat thread through hole, a screw rod is installed in the horizontal thread through hole, the screw rod can limit the sliding block 2 at an initial position, and safety of the explosion-proof machine during sufficient service processing is guaranteed.

Preferably, the depth of the main groove 101 is 1mm to 5mm greater than the height of the slider 2; the length of the main groove 101 is 10 mm-15 mm larger than that of the sliding block 2, so that the sliding block 2 can horizontally slide 10 mm-15 mm in the main groove 101.

One side of main recess 101 is equipped with its parallel step round hole 106, and step round hole 106 is used for holding pin pushing jack 5, and further, step round hole 106 includes little round hole 107 section and big round hole 108 section. Fig. 5 is a schematic structural diagram of a promotional device according to an embodiment of the present invention. As shown in fig. 5, the push pin device 5 includes a push pin device body and a push rod head 501, the push rod body 501 is disposed in the small circular hole 107, and the push pin device body is disposed in the large circular hole 108. One end of the main groove 101 is provided with a through hole 104 close to the small round hole 107, the through hole 104 is vertical to the small round hole 107 and is communicated with the vertical small round hole 107, the size of the through hole 104 is matched with that of the steel ball 3 to accommodate the steel ball 3, and the head of the push rod head 501 is arranged at the top of the steel ball 3.

The other side of the main groove 101 is provided with a first stepped hole 105, the first stepped hole 105 is perpendicular to the main groove 101, and the size of the first stepped hole 105 is matched with the size of the end of the electromagnet 6 and used for placing the end of the electromagnet 6.

The electromagnet 6 is an electromagnetic converter, the electromagnet 6 comprises an electrified magnetic pole structure, a contraction mechanism and a limiting head 601, the electrified magnetic pole structure is connected with the contraction mechanism, and when the electrified magnetic pole structure is electrified, the internal magnetic field changes to drive the contraction mechanism to contract so as to retract the limiting head 601.

FIG. 4 is a cross-sectional view of a slider in an embodiment of the present invention. As shown in fig. 4, the slider 2 is preferably rectangular parallelepiped, a blind hole 201 is provided at an end of a small end surface of one side of the slider 2, a push spring 4 is provided in the blind hole 201, and a depth of the blind hole 201 is larger than a full compression height of the push spring 4 and is smaller than a natural length of the push spring 4. Push away spring 4 and place in slider 2, slider 2 places in main recess 101, and slider 2 is blocked at initial position under initial condition, pushes away spring 4 and is in compression state, pushes away under the effect of the spring force of spring 4 again after slider 2 removes the constraint.

A first limiting groove 202 is formed in the large end face of one side of the sliding block 2, the position of the first limiting groove 202 corresponds to the position of the through hole 104, the first limiting groove 202 is used for placing a steel ball 3, the steel ball 3 is placed in the first limiting groove, and the sliding block 2 is limited by the compression of a push rod head 501 of the push pin device 5; and the distance from the bottom of the first limit groove 202 to the push rod head 501 is greater than twice the diameter of the steel ball 3, the second limit groove 204 is arranged on the large end face of the other side of the slide block 2, the second limit groove 204 is arranged corresponding to the position of the first stepped hole 105, and in an initial state, the second limit groove 204 is communicated with the stepped hole 105 so that the limit head 601 at the end of the electromagnet 6 is inserted into the second limit groove 204, and the limit of the slide block 2 is further realized. The middle part of the sliding block 2 is provided with a second step hole 203, an initiating explosive device is arranged in the second step hole 203, and preferably, the initiating explosive device in the second step hole 203 is an explosive 8. Preferably, the primer mix is 8-bit cylindrical.

In the initial state, the distance difference between the second stepped hole 203 and the vertical through hole 103 is equal to the distance of the horizontal movement of the slider 2, that is, when the slider 2 is at the initial position, the second stepped hole 203 is staggered from the vertical through hole 103, and when the slider 2 moves to the right position, the second stepped hole 203 is vertically overlapped with the vertical through hole 103.

Fig. 6 is a schematic structural diagram of a cover plate in an embodiment of the invention. As shown in fig. 6, a cover plate hole 701 is formed in the middle of the cover plate 7, and booster explosive is placed in the cover plate hole 701; preferably, the size of the cover hole 701 is larger than the size of the second stepped hole 203. As shown in fig. 1 and fig. 3, the body 1 is provided with a shallow groove on the top of the groove 101, the length and width of the shallow groove are both larger than those of the main groove, the size of the shallow groove is larger than that of the cover plate 7, and the cover plate 7 is arranged in the shallow groove and used for installing the cover plate 7 and covering the groove to form a closed structure.

The position of apron hole 701 corresponds with the position of perpendicular through-hole 103, and when slider 2 was in initial position, second step hole 203 staggers with perpendicular through-hole 103 and apron hole 701 respectively, and the priming sytem wherein staggers, and after slider 2 moved in place, perpendicular through-hole 103, second step hole 203 and apron hole 701 vertically corresponded, and the priming sytem biography that wherein explodes the sequence and adjusts well.

Fig. 7 is a cross-sectional view of an embodiment of the present invention. As shown in fig. 7, the specific operation mode is as follows: the slide 2 is in the initial state and is locked in the safety position. When the isolation state needs to be removed, firstly, the push pin device 5 is powered, the push rod head 501 is pushed forwards, so that the limitation on the steel ball 3 is removed, the steel ball 3 is separated from the first limiting groove 202, and the first-step locking of the sliding block 2 is removed; and then the electromagnet 6 is powered, the limiting head 601 is pulled out backwards, the second step of locking of the sliding block 2 is released, the sliding block 2 moves horizontally after the locking of the sliding block 2 is released, the vertical through hole 103, the second stepped hole 203 and the cover plate hole 701 vertically correspond, and the initiating explosive device detonation transfer sequence is aligned.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.