CN214013560U

CN214013560U - SMC box that barrier propterty is good

Info

Publication number: CN214013560U
Application number: CN202022988292.8U
Authority: CN
Inventors: 张清文; 李凯龙; 王莉蓉
Original assignee: Shenzhen Xinneng Electric Co ltd
Current assignee: Shenzhen Xinneng Electric Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-20
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a SMC box that barrier propterty is good, it includes box and case lid, the cube structure of cavity is seted up for inside to the box, the connecting hole has been seted up to a side of box, be provided with the case lid in the connecting hole, the case lid is the round block form, the first week side of case lid is provided with the external screw thread, the pore wall of connecting hole is provided with the internal thread, the case lid with connecting hole screw-thread fit in order to incite somebody to action the connecting hole is sealed. This application has the effect that improves the SMC box to the protective effect of inside installation device.

Description

SMC box that barrier propterty is good

Technical Field

The application relates to the technical field of distribution boxes, in particular to an SMC box body with good protection performance.

Background

The SMC box is a box assembled by SMC plate products, and the SMC box is widely used in the automobile industry, railway vehicles, building engineering, electrical industry and communication engineering due to its characteristics such as good formability and ageing resistance. SMC case on the market generally all includes box and case lid at present, and box and case lid are generally through hinge rotation connection, are provided with the latch fitting on the box in order to with case lid and box closure, and the box of this kind of mode is unstable with being connected of case lid, and it is not good enough to the protective effect of the device of installing in the box.

In view of the above-mentioned related technologies, the inventor considers that the SMC box has a defect of poor protection effect.

SUMMERY OF THE UTILITY MODEL

In order to improve the SMC box to the protective effect of inside installed device, this application provides a SMC box that barrier propterty is good.

The application provides a SMC box that barrier propterty is good adopts following technical scheme:

the utility model provides a SMC box that barrier propterty is good, includes box and case lid, the cube structure of cavity is seted up for inside to the box, the connecting hole has been seted up to a side of box, be provided with the case lid in the connecting hole, the case lid is the round block form, the first week side of case lid is provided with the external screw thread, the pore wall of connecting hole is provided with the internal thread, the case lid with connecting hole screw-thread fit in order to incite somebody to action the connecting hole seals.

Through adopting above-mentioned technical scheme, the case lid is the disk shape, disk shape's case lid and connecting hole threaded connection in order to seal the connecting hole, and threaded connection's mode makes case lid and box be connected stably to its leakproofness is better, makes the inner chamber space state of box stable, improves the barrier propterty to device in the inner chamber from this.

Optionally, the case cover includes a threaded portion and a positioning portion, an external thread of the case cover is disposed on the threaded portion, and the positioning portion is provided with a positioning assembly for limiting rotation of the case cover.

Through adopting above-mentioned technical scheme, screw thread portion and connecting hole screw-thread fit, the locating component of location portion fixes a position the case lid in order to restrict the rotation of case lid for the difficult emergence of case lid is rotated, and the position state of case lid is more stable, and the threaded connection of case lid and connecting hole is more stable, improves the case lid and to the sealed effect of connecting hole, and then makes the state of whole box more stable, and the box is better to device barrier propterty in the inner chamber.

Optionally, the mounting groove has been seted up to location portion, locating component set up in the mounting groove, locating component includes locating piece and compression spring, compression spring one end contradict in the tank bottom of mounting groove and the other end contradict in the locating piece, the pore wall of connecting hole is provided with the constant head tank, the constant head tank with the cooperation of pegging graft of locating piece.

Through adopting above-mentioned technical scheme, compression spring one end is contradicted in the tank bottom of mounting groove and the other end is contradicted in the locating piece for the locating piece is pegged graft with the constant head tank steadily under compression spring's elastic force effect and is cooperated, makes the locating component stable to the location effect of end cover from this.

Optionally, the tank bottom of mounting groove is provided with first spacing post, the locating piece orientation one side of mounting groove tank bottom is provided with the spacing post of second, compression spring's one end cup joint in first spacing post and the other end cup joint in the spacing post of second.

Through adopting above-mentioned technical scheme, compression spring's one end cup joints in first spacing post and the other end cup joints in the spacing post of second, and first spacing post plays limiting displacement to compression spring simultaneously with the spacing post of second for compression spring's position is stable, makes compression spring stable to the elastic action of locating piece, and then makes locating component stable to the location effect of case lid.

Optionally, the location portion has been seted up the hole of stepping down, the hole of stepping down communicate in the mounting groove, the locating piece orientation one side in the hole of stepping down is provided with the arm-tie, the arm-tie with the hole sliding fit of stepping down.

Through adopting above-mentioned technical scheme, set up the arm-tie on the locating piece, the arm-tie with step down hole sliding fit, to the arm-tie application of force make the arm-tie slide in the hole of stepping down, can make the locating piece remove in the mounting groove, when the case lid is opened to needs, the pulling arm-tie makes the locating piece wholly enter into the mounting groove, removes the grafting cooperation of locating piece and constant head tank from this, can open the case lid this moment, it is simple to opening of case lid.

Optionally, the positioning block is provided with a slot, and the pulling plate is fixed with the slot in an inserting and matching manner.

Through adopting above-mentioned technical scheme, the arm-tie is pegged graft with the slot and is cooperated fixedly to this makes the locating piece remove to the arm-tie application of force, need not open the condition for a long time to the case lid, can pull out the pull rod, makes the position state of locating piece be difficult for receiving the influence, improves the position state stability of case lid.

Optionally, a side plate is vertically fixed to the side surface of the box body, where the connecting hole is formed, and the width of the side plate is equal to or greater than the thickness of the positioning portion.

Through adopting above-mentioned technical scheme, set up the sideboard on the box, the sideboard protects location portion, reduces the case lid and receives the circumstances of exogenic action, improves the holistic barrier propterty of box.

Optionally, the positioning portion is provided with a handle, and the width of the side plate is greater than the distance from one side of the handle far away from the box body to the box body.

Through adopting above-mentioned technical scheme, the fixed part sets up the handle, and it is more convenient to handle the application of force when installing or dismantling the end cover, and the width of sideboard is greater than the handle and keeps away from the distance of one side of box to the box for the sideboard can produce certain protecting effect to the handle simultaneously, further reduces the case lid and receives the effect of external force, improves box barrier propterty's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the round box cover is in threaded connection with the connecting hole so as to seal the connecting hole, the box cover and the box body are stably connected in a threaded connection mode, the sealing performance is good, the space state of an inner cavity of the box body is stable, and therefore the protection performance of devices in the inner cavity is improved;

2. the positioning assembly positions the box cover to limit the rotation of the box cover, so that the position state of the box cover is more stable, the threaded connection between the box cover and the connecting hole is more stable, the sealing effect of the box cover on the connecting hole is improved, the state of the whole box body is further more stable, and the protection performance of the box body on devices in the inner cavity is better;

3. set up the sideboard on the box, the sideboard protects location portion, reduces the case lid and receives the condition that exogenic action influences, improves the holistic barrier propterty of box.

Drawings

Fig. 1 is an overall three-dimensional structural view of an embodiment of the present application.

Fig. 2 is a front view of an embodiment of the present application.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals: 1. a box body; 11. connecting holes; 12. positioning a groove; 13. a side plate; 2. a box cover; 21. a threaded portion; 22. a positioning part; 221. mounting grooves; 222. a first limit post; 223. a hole of abdication; 224. a handle; 3. a positioning assembly; 31. positioning blocks; 311. a slot; 312. a second limit post; 32. a compression spring; 33. and (5) pulling the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses SMC box that barrier propterty is good, refer to FIG. 1, including box 1 and case lid 2, box 1 is the cube structure, and the cavity that is used for installing the device is seted up to box 1's inside, and connecting hole 11 has been seted up to a side of box 1, and connecting hole 11 communicates in the cavity of box 1, and box 1 integrated into one piece sets up. The profile of connecting hole 11 is circular, and the inner wall of connecting hole 11 is provided with the internal thread, and case lid 2 is the round block form, and case lid 2 includes screw thread portion 21 and location portion 22 along self axis direction in proper order, and the outer peripheral face of screw thread portion 21 is provided with the external screw thread, screw thread portion 21 and connecting hole 11 screw-thread fit so that case lid 2 screw thread is fixed in connecting hole 11.

Referring to fig. 1 and 2, the edge of the positioning portion 22 is further fixedly provided with two handles 224 for applying torque to the case cover 2, and the two handles 224 are preferably provided, and the two handles 224 are equidistantly arranged along the circumferential direction of the positioning portion 22. The side wall of the box body 1, which is provided with the connecting hole 11, is also vertically provided with a side plate 13, the side plate 13 is integrally connected with the box body 1, the width direction of the side plate 13 is consistent with the axial direction of the connecting hole 11, in the embodiment, the width of the side plate 13 is preferably equal to the distance from one side of the handle 224, which is far away from the box body 1, to the box body 1, when the threaded portion 21 is in threaded fit with the connecting hole 11, and the positioning block 31 is in splicing fit with the positioning groove 12, the positioning portion 22 and the handle 224 are surrounded by the side plate 13, so that the end cover and the handle 224 are well protected.

Referring to fig. 3 and 4, a mounting groove 221 is formed in the outer peripheral surface of the positioning portion 22, a positioning assembly 3 is arranged in the mounting groove 221, the positioning assembly 3 includes a compression spring 32 and a positioning block 31, the positioning block 31 is in sliding fit with the mounting groove 221, a first limiting column 222 is fixedly arranged at the bottom of the mounting groove 221, a second limiting column 312 is fixedly arranged at the side surface of the positioning block 31 facing the bottom of the mounting groove 221, the first limiting column 222 and the second limiting column 312 are located on the same straight line, one end of the compression spring 32 is sleeved on the first limiting column 222, the other end of the compression spring is sleeved on the second limiting column 312, and the compression spring 32 is in a compressed state. The inner wall of the connecting hole 11 is provided with a positioning groove 12, the cross section profile of the positioning groove 12 is consistent with that of the positioning block 31, and the compression spring 32 pushes the positioning block 31 into the positioning groove 12 under the action of self elastic restoring force and enables the positioning block 31 and the positioning groove 12 to be stably inserted and matched. In this embodiment, mounting groove 221 is preferred to be provided with two, and two mounting grooves 221 set up along location portion 22 circumference equidistance, set up locating component 3 in two mounting grooves 221 respectively, and the pore wall of connecting hole 11 corresponds two mounting grooves 221 and sets up two constant head tanks 12, and two locating component 3 cooperate with two constant head tanks 12 one-to-one in order to fix a position case lid 2.

With continued reference to fig. 3 and 4, the positioning portion 22 further has a yielding hole 223, a pulling plate 33 is disposed in the yielding hole 223, and one end of the pulling plate 33 is fixed to the positioning block 31. The positioning block 31 is provided with a slot 311, and the pulling plate 33 is fixed with the slot 311 in an inserting and matching manner. In this embodiment, preferably, the length of the positioning block 31 is greater than the distance from the side of the receding hole 223 far away from the positioning groove 12 to the bottom of the slot 311, and when the positioning block 31 is in inserting fit with the positioning groove 12 to position the case cover 2, the receding hole 223 receives the sealing effect of the positioning block 31, so that the possibility that air or sundries enter the installation groove 221 from the receding hole 223 is reduced, and the positioning effect of the positioning component 3 on the case cover 2 is stable.

The implementation principle of the SMC box body with good protection performance in the embodiment of the application is as follows: case lid 2 and connecting hole 11 threaded connection are in order to seal connecting hole 11, and the mode of threaded connection makes case lid 2 and case 1 be connected stably to its leakproofness is better, makes the inner chamber space state of case 1 stable. The positioning block 31 is stably inserted into and matched with the positioning groove 12 under the elastic force of the compression spring 32, so that the positioning effect of the positioning component 3 on the end cover is stable. The side plate 13 protects the positioning part 22, so that the condition that the box cover 2 is subjected to external force is reduced, and the protection performance of devices in the inner cavity of the box body 1 is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a SMC box that barrier propterty is good which characterized in that: including box (1) and case lid (2), box (1) is the inside cube structure of seting up the cavity, connecting hole (11) have been seted up to a side of box (1), be provided with case lid (2) in connecting hole (11), case lid (2) are the round block form, the first week side of case lid (2) is provided with the external screw thread, the pore wall of connecting hole (11) is provided with the internal thread, case lid (2) with connecting hole (11) screw-thread fit with connecting hole (11) are sealed.

2. An SMC housing with good protection performance according to claim 1, wherein: the box cover (2) comprises a threaded portion (21) and a positioning portion (22), external threads of the box cover (2) are arranged on the threaded portion (21), and the positioning portion (22) is provided with a positioning assembly (3) used for limiting the rotation of the box cover (2).

3. An SMC housing with good protection performance according to claim 2, wherein: mounting groove (221) have been seted up in location portion (22), locating component (3) set up in mounting groove (221), locating component (3) are including locating piece (31) and compression spring (32), compression spring (32) one end contradict in the tank bottom of mounting groove (221) and the other end contradict in locating piece (31), the pore wall of connecting hole (11) is provided with constant head tank (12), constant head tank (12) with locating piece (31) are pegged graft and are cooperated.

4. An SMC housing with good protection performance according to claim 3, wherein: the mounting groove structure is characterized in that a first limiting column (222) is arranged at the bottom of the mounting groove (221), a second limiting column (312) is arranged on one side, facing the bottom of the mounting groove (221), of the positioning block (31), one end of the compression spring (32) is sleeved on the first limiting column (222) and the other end of the compression spring is sleeved on the second limiting column (312).

5. An SMC housing with good protection performance according to claim 4, wherein: the location portion (22) has been seted up and has been stepped down hole (223), step down hole (223) communicate in mounting groove (221), locating piece (31) orientation one side of stepping down hole (223) is provided with arm-tie (33), arm-tie (33) with step down hole (223) sliding fit.

6. An SMC housing with good protection performance according to claim 5, wherein: the positioning block (31) is provided with a slot (311), and the pulling plate (33) is fixedly connected with the slot (311) in an inserting and matching manner.

7. An SMC housing with good protection performance according to claim 2, wherein: the side surface of the box body (1) provided with the connecting hole (11) is vertically fixed with a side plate (13), and the width of the side plate (13) is equal to or larger than the thickness of the positioning part (22).

8. An SMC housing with good protection performance as claimed in claim 7, wherein: the positioning part (22) is provided with a handle (224), and the width of the side plate (13) is larger than the distance from one side, far away from the box body (1), of the handle (224) to the box body (1).