Sealing moisture-proof assembly of industrial explosion-proof instrument

Abstract

The utility model discloses a sealing moistureproof assembly of an industrial explosion-proof instrument, which relates to the technical field of industrial explosion-proof instruments and comprises a front sealing cover and a rear sealing cover, one side of the front sealing cover is connected with the rear sealing cover, an upper sealing bolt is in threaded connection between the rear sealing cover and the front sealing cover, the bottom of the rear sealing cover and the bottom of the front sealing cover are connected with a base assembly, and the base assembly is connected with an upper sealing bolt. And lower sealing bolts are in threaded connection among the base assembly, the front sealing cover and the rear sealing cover. According to the sealing moisture-proof assembly of the industrial explosion-proof instrument, the connecting groove, the main sealing groove, the sealing structure and the sealing gasket are arranged at the connecting position of the front sealing cover and the rear sealing cover correspondingly, so that the front cover body and the rear cover body have good structural sealing performance after structural butt joint combination; the bottom of the front cover body and the bottom of the rear cover body are provided with a first lower sealing groove and a second lower sealing groove respectively, and the first lower sealing groove and the second lower sealing groove are used in cooperation with a sealing ring and sealant, so that the structural sealing performance after the base assembly is in butt joint with the front sealing cover and the rear sealing cover can be ensured to the maximum extent, and the damp problem is reduced as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial explosion -proof instrument technical field, concretely is a kind of sealing moisture-proof subassembly of industrial explosion -proof instrument. BACKGROUND

[0002] Industrial explosion -proof instrument refers to a kind of instrument and apparatus specially used in the environment with explosive mixture safely. This kind of instrument and apparatus takes specific safety technical measures when designing and manufacturing, can be safely powered, electric, detected and controlled in the place with explosive danger such as petroleum, chemical industry;The main purpose of explosion -proof instrument is to provide accurate and reliable measurement data in flammable and explosive environment, ensure the safety of operating personnel and the normal operation of equipment.

[0003] The general industrial explosion -proof instrument is generally provided with relatively integrated structure in appearance structure, so that the structure is relatively inconvenient to disassemble and maintain, and the industrial explosion -proof instrument with detachable structure has a certain degree of structural gap between the disassembled structures, so that there is a risk of moisture entering the interior of the instrument during long-term use, which can easily cause element corrosion or electric short circuit.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a sealing moisture-proof subassembly of industrial explosion -proof instrument is provided. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of sealing moisture-proof subassembly of industrial explosion -proof instrument to solve the problems presented in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sealing moisture-proof subassembly of industrial explosion -proof instrument, including front cover and rear cover, the side of the front cover is connected with rear cover, and rear cover and front cover are threadedly connected with upper sealing plug between, and the bottom of rear cover and front cover is connected with base assembly, and base assembly and front cover, rear cover are threadedly connected with lower sealing plug between, the front cover includes front cover body, front link pile, front reinforcing frame, first lower sealing groove, first connecting pile, link groove and main sealing groove, the inside four corners of the front cover body are provided with front link pile, and the inside middle part of front cover body is equipped with front reinforcing frame, and the bottom of front cover body is provided with first lower sealing groove, and first lower sealing groove is symmetrically provided with first connecting pile on the side near the inside of front cover body, the inside wall surface of the side near rear cover of front cover body is provided with link groove, and the inside of link groove is provided with main sealing groove.

[0007] Further, the rear cover includes a rear cover body, rear connection piles, a rear reinforcing frame, a second lower sealing groove, second connection piles, a sealing structure and a sealing pad, four rear connection piles are arranged at the four corners of the inside of the rear cover body, the rear reinforcing frame is arranged on the inside of the rear cover body, the second lower sealing groove is arranged on the bottom of the rear cover body, the second connection piles are symmetrically arranged on the left and right sides of the second lower sealing groove close to the inside of the rear cover body, the sealing structure is arranged on the side edge of the rear cover body close to the front cover, and the sealing pad is attached to the surface of the sealing structure.

[0008] Further, the front connection piles and the rear connection piles are in threaded connection with the upper sealing plug, and the front cover body is provided with a hole structure for mounting the upper sealing plug on the outside surface of the position corresponding to the front connection piles and matches the rear end surface structure of the upper sealing plug.

[0009] Further, the first lower sealing groove, the first connection piles, the second lower sealing groove and the second connection piles are the same in structure, and the lower sealing plug is in threaded connection with the first connection piles and the second connection piles.

[0010] Further, the front reinforcing frame and the rear reinforcing frame are the same in structure, and the front reinforcing frame and the rear reinforcing frame are both provided with a notch structure on the bottom for communicating with the inside of the base assembly.

[0011] Further, the upper sealing plug includes a bolt body, a first sealing ring and a second sealing ring, the first sealing ring is sleeved on the end surface of the bolt body close to the nut, and the second sealing ring is sleeved on the end surface of the first sealing ring close to the bolt body.

[0012] Further, the base assembly includes a base joint, a connecting seat, a sealing ring and sealing glue, the base joint is connected to the connecting seat on the top, the sealing ring is arranged on the top of the connecting seat, and the connecting seat is coated with the sealing glue on the top surface.

[0013] Further, the lower sealing plug is in threaded connection with the four corners of the connecting seat, the base joint is in embedded connection with the bottom of the front cover and the rear cover, and the inner surface structure of the first lower sealing groove and the second lower sealing groove matches the outer surface structure of the sealing ring.

[0014] The utility model provides a kind of sealing moisture-proof assembly of industrial explosion-proof instrument, with the following beneficial effects:

[0015] 1. The utility model discloses a sealing structure of front cover and rear cover of instrument, through setting up the interface groove and main sealing groove on the inner surface of the side of front cover body close to rear cover body, and setting up the sealing structure and sealing gasket on the surface edge of the side of rear cover body close to front cover body, the surface structure matching between interface groove and sealing structure and the surface structure matching between main sealing groove and sealing gasket make sealing structure and sealing gasket respectively insert into the inside of interface groove and main sealing groove when front cover and rear cover butt joint, the use of the above structure can ensure the sealing property of the interface of front cover and rear cover as far as possible, and also can provide the function of structure locking to a certain extent to guarantee the firmness of front cover and rear cover.

[0016] 2. The utility model discloses a sealing structure of front cover and rear cover of instrument, through setting up the interface groove and main sealing groove on the inner surface of the side of front cover body close to rear cover body, and setting up the sealing structure and sealing gasket on the surface edge of the side of rear cover body close to front cover body, the surface structure matching between interface groove and sealing structure and the surface structure matching between main sealing groove and sealing gasket make sealing structure and sealing gasket respectively insert into the inside of interface groove and main sealing groove when front cover and rear cover butt joint, the use of the above structure can ensure the sealing property of the interface of front cover and rear cover as far as possible, and also can provide the function of structure locking to a certain extent to guarantee the firmness of front cover and rear cover.

[0017] 3. The utility model discloses a sealing structure of front cover and rear cover of instrument, through setting up the interface groove and main sealing groove on the inner surface of the side of front cover body close to rear cover body, and setting up the sealing structure and sealing gasket on the surface edge of the side of rear cover body close to front cover body, the surface structure matching between interface groove and sealing structure and the surface structure matching between main sealing groove and sealing gasket make sealing structure and sealing gasket respectively insert into the inside of interface groove and main sealing groove when front cover and rear cover butt joint, the use of the above structure can ensure the sealing property of the interface of front cover and rear cover as far as possible, and also can provide the function of structure locking to a certain extent to guarantee the firmness of front cover and rear cover. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's body explosion axle side view structural diagram.

[0019] Figure 2 The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's front cover internal structure diagram.

[0020] Figure 3 The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's rear cover three -dimensional structure diagram.

[0021] Figure 4 The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's upper sealing bolt three -dimensional structure diagram.

[0022] Figure 5 The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's base assembly three -dimensional structure diagram.

[0023] In the drawing: 1, front cover;101, front cover body;102, front connection stake;103, front reinforcing frame;104, first lower sealing groove;105, first connecting stake;106, connection groove;107, main sealing groove;2, rear cover;201, rear cover body;202, rear connection stake;203, rear reinforcing frame;204, second lower sealing groove;205, second connecting stake;206, sealing structure;207, sealing gasket;3, upper sealing bolt;301, bolt main body;302, first seal ring;303, second seal ring;4, base assembly;401, base joint;402, connecting seat;403, sealing ring;404, sealing glue;5, lower sealing bolt. Specific implementation

[0024] The utility model relates to an industrial explosion -proof instrument's sealed damp -proof subassembly's body explosion axle side view structural diagram.

[0025] As Figures 1 to 5As shown, a sealing moisture-proof assembly of an industrial explosion-proof instrument includes a front cover 1 and a rear cover 2, the front cover 1 is connected with the rear cover 2 on one side, and the rear cover 2 and the front cover 1 are threadedly connected with an upper sealing plug 3, and the bottom of the rear cover 2 and the front cover 1 is connected with a base assembly 4, and the base assembly 4 is threadedly connected with a lower sealing plug 5 between the front cover 1 and the rear cover 2, the front cover 1 includes a front cover body 101, a front connecting pile 102, a front reinforcing frame 103, a first lower sealing groove 104, a first connecting pile 105, a connecting groove 106 and a main sealing groove 107, the four diagonal positions of the inside of the front cover body 101 are provided with the front connecting pile 102, and the middle of the inner side of the front cover body 101 is provided with the front reinforcing frame 103, and the bottom of the front cover body 101 is provided with the first lower sealing groove 104, and the first lower sealing groove 104 is symmetrically provided with the first connecting pile 105 on the left and right sides near the inside of the front cover body 101, the inner wall surface of the side of the front cover body 101 near the rear cover 2 is provided with the connecting groove 106, and the inside of the connecting groove 106 is provided with the main sealing groove 107, by the surface structure matching between the connecting groove 106 and the sealing structure 206 and the surface structure matching between the main sealing groove 107 and the sealing gasket 207, when the front cover 1 and the rear cover 2 are mutually butted, the sealing structure 206 and the sealing gasket 207 are respectively inserted into the inside of the connecting groove 106 and the main sealing groove 107.

[0026] As Figures 1 to 5As shown, the rear cover 2 comprises a rear cover body 201, rear engaging posts 202, a rear reinforcing frame 203, a second lower sealing groove 204, second connecting posts 205, a sealing structure 206 and a sealing gasket 207. The rear engaging posts 202 are arranged at the four corners of the inside of the rear cover body 201, and the rear reinforcing frame 203 is arranged at the middle of the inner side of the rear cover body 201. The second lower sealing groove 204 is arranged at the bottom of the rear cover body 201, and the second connecting posts 205 are symmetrically arranged at the left and right sides of the second lower sealing groove 204. The sealing structure 206 is arranged at the edge of the side of the rear cover body 201 close to the front cover 1, and the sealing gasket 207 is attached to the surface of the sealing structure 206. The front engaging posts 102 and the rear engaging posts 202 are in threaded connection with the upper sealing bolt 3. The surface of the front cover body 101 outside the position corresponding to the front engaging posts 102 is provided with a hole structure for mounting the upper sealing bolt 3 and matching with the rear end surface structure of the upper sealing bolt 3. The structures of the first lower sealing groove 104, the first connecting posts 105, the second lower sealing groove 204 and the second connecting posts 205 are the same. The lower sealing bolt 5 is in threaded connection with the first connecting posts 105 and the second connecting posts 205. The front reinforcing frame 103 and the rear reinforcing frame 203 have the same structure. The bottom of the front reinforcing frame 103 and the bottom of the rear reinforcing frame 203 are both provided with a notch structure for connecting to the inside of the base assembly 4. The surface structure of the first lower sealing groove 104 matches with the surface structure of the sealing ring 403 arranged at the top middle of the connecting seat 402, so that when the base assembly 4 is connected to the front cover 1 and the rear cover 2, the sealing ring 403 can be inserted into the first lower sealing groove 104. The sealing glue 404 coated on the top surface of the connecting seat 402 and the embedded structure of the connecting seat 402 connected to the bottom of the front cover 1 and the rear cover 2 ensure the sealing property of the joint.

[0027] As Figures 1 to 5As shown, the upper sealing bolt 3 comprises a bolt body 301, a first sealing ring 302 and a second sealing ring 303, the first sealing ring 302 is sleeved on the surface of one end of the bolt body 301 close to the nut, and the second sealing ring 303 is sleeved on the surface of one end of the first sealing ring 302 close to the bolt body 301, the base assembly 4 comprises a base joint 401, a connecting seat 402, a sealing ring 403 and a sealing glue 404, the top of the base joint 401 is connected to the connecting seat 402, the middle of the top of the connecting seat 402 is installed with the sealing ring 403, and the top surface of the connecting seat 402 is coated with the sealing glue 404, the lower sealing bolt 5 is threaded through the four opposite corners of the connecting seat 402, the base joint 401 is butted to the bottom of the front cover 1 and the rear cover 2 in an embedded structure, the inner surface structure of the first lower sealing groove 104 and the second lower sealing groove 204 is matched with the outer surface structure of the sealing ring 403, and since the first sealing ring 302 and the second sealing ring 303 are arranged at the tail of the bolt body 301, and the hole structure matched with the tail end structure of the upper sealing bolt 3 is arranged on the outside of the front cover body 101, when the upper sealing bolt 3 is screwed into the inside of the front connecting pile 102 and the rear connecting pile 202 in sequence in the horizontal direction, the front cover 1 and the rear cover 2 can be connected and fixed, and unnecessary structural gaps can be avoided at the hole opening of the screwing.

[0028] In summary, as Figures 1 to 4 shown, when the front cover 1 and the rear cover 2 need to be combined, the sealing structure 206 provided with the sealing gasket 207 on one side edge of the rear cover body 201 is inserted into the connecting groove 106 provided with the main sealing groove 107 on one side of the front cover body 101, so that the front cover 1 and the rear cover 2 are closed and connected to each other, and in this process, the front connecting pile 102, the front reinforcing frame 103 and the first lower sealing groove 104 are respectively connected to the rear connecting pile 202, the rear reinforcing frame 203 and the second lower sealing groove 204.

[0029] Then the four groups of bolt bodies 301 connected with the first sealing ring 302 and the second sealing ring 303 are screwed into the four opposite corners of the connected front cover 1 and rear cover 2, and then screwed into the inside of the front connecting pile 102 and the rear connecting pile 202, so as to ensure the firmness of the connection between the front cover 1 and the rear cover 2, ensure the structural sealing property, and avoid unnecessary structural looseness.

[0030] Then the connecting seat 402 with the sealing ring 403 mounted on the top is vertically inserted from bottom to top at the bottom of the front cover body 101 and the rear cover body 201, and the sealing ring 403 is embedded in the inside of the first lower sealing groove 104 and the second lower sealing groove 204, and meanwhile, the sealing glue 404 coated on the top surface of the top of the connecting seat 402 on the bottom seat joint 401 can guarantee the sealing of the joint of the bottom seat assembly 4 and the front cover 1 and the rear cover 2 to the maximum, and then the lower sealing bolts 5 at four diagonal positions of the connecting seat 402 are sequentially screwed into the inside of the first connecting pile 105 and the second connecting pile 205, so as to connect and fix the bottom seat assembly 4 and the front cover 1 and the rear cover 2 to the maximum, so as to guarantee the subsequent stable use.

[0031] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A sealing and moisture-proof assembly for an industrial explosion-proof instrument, comprising a front cover (1) and a rear cover (2), characterized in that: The front cover (1) is connected to a rear cover (2) on one side, and an upper sealing bolt (3) is threaded between the rear cover (2) and the front cover (1). A base assembly (4) is connected to the bottom of the rear cover (2) and the front cover (1), and a lower sealing bolt (5) is threaded between the base assembly (4) and the front cover (1) and the rear cover (2). The front cover (1) includes a front cover body (101), a front connecting post (102), a front reinforcing frame (103), a first lower sealing groove (104), a first connecting post (105), a connecting groove (106), and a main sealing groove (107). The front cover (101) has front connecting posts (102) at four opposite corners inside, and a front reinforcing frame (103) is installed in the middle of the inner side of the front cover (101). The bottom of the front cover (101) has a first lower sealing groove (104), and the first connecting posts (105) are symmetrically arranged on the side of the first lower sealing groove (104) near the inside of the front cover (101). The inner wall surface of the front cover (101) near the rear cover (2) has a connecting groove (106), and the inside of the connecting groove (106) has a main sealing groove (107).

2. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 1, characterized in that, The rear cover (2) includes a rear cover body (201), a rear connecting post (202), a rear reinforcing frame (203), a second lower sealing groove (204), a second connecting post (205), a sealing structure (206), and a sealing gasket (207). The rear connecting post (202) is provided at the four opposite corners of the interior of the rear cover body (201), and the rear reinforcing frame (203) is installed in the middle of the inner side of the rear cover body (201). The second lower sealing groove (204) is provided at the bottom of the rear cover body (201), and the second connecting post (205) is symmetrically provided on the side of the second lower sealing groove (204) near the interior of the rear cover body (201). The sealing structure (206) is provided on the edge of the rear cover body (201) near the front cover (1), and the sealing gasket (207) is attached to the surface of the sealing structure (206).

3. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 2, characterized in that, The front connecting pile (102) and the rear connecting pile (202) are both threadedly connected to the upper sealing bolt (3), and the outer surface of the front cover (101) corresponding to the position of the front connecting pile (102) has a hole structure for installing the upper sealing bolt (3) and matches the rear end surface structure of the upper sealing bolt (3).

4. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 2, characterized in that, The first lower sealing groove (104), the first connecting pile (105), the second lower sealing groove (204), and the second connecting pile (205) have the same structure, and the lower sealing bolt (5) is threadedly connected to the first connecting pile (105) and the second connecting pile (205).

5. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 2, characterized in that, The front reinforcing frame (103) and the rear reinforcing frame (203) have the same structure, and both the front reinforcing frame (103) and the rear reinforcing frame (203) have a notch structure at the bottom for connecting to the interior of the base assembly (4).

6. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 1, characterized in that, The upper sealing bolt (3) includes a bolt body (301), a first sealing ring (302) and a second sealing ring (303). The first sealing ring (302) is sleeved on the surface of the bolt body (301) near the nut, and the second sealing ring (303) is sleeved on the surface of the first sealing ring (302) near the bolt body (301).

7. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 2, characterized in that, The base assembly (4) includes a base connector (401), a connecting seat (402), a sealing ring (403), and sealant (404). The top of the base connector (401) is connected to the connecting seat (402), and the sealing ring (403) is installed in the middle of the top of the connecting seat (402). The top surface of the connecting seat (402) is coated with sealant (404).

8. The sealing and moisture-proof component for an industrial explosion-proof instrument according to claim 7, characterized in that, The lower sealing bolt (5) is threaded through the four opposite corners of the connecting seat (402). The base connector (401) adopts an embedded structure and is connected to the bottom of the front cover (1) and the rear cover (2). The inner surface structure of the first lower sealing groove (104) and the second lower sealing groove (204) are matched with the outer surface structure of the sealing ring (403).

Images