CN215345439U

CN215345439U - Controller waterproof construction

Info

Publication number: CN215345439U
Application number: CN202121619097.6U
Authority: CN
Inventors: 肖茜文; 肖飞燕
Original assignee: Shenzhen Autopro Technology Co ltd
Current assignee: Shenzhen Autopro Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-28
Anticipated expiration: 2031-07-15

Abstract

The utility model belongs to the technical field of the controller and specifically relates to a controller waterproof construction is related to, it includes preceding shell, backshell, fixes the silica gel button between preceding shell and the backshell and is connected the pencil on the backshell, the installation round hole has been seted up on the backshell, the backshell is fixed with the toper crown plate at the installation round hole, toper crown plate outside-in diameter reduces gradually, be fixed with the spacing seal piece on the pencil, installation round hole department and the spacing seal piece of pencil installation on the backshell are installed in the toper crown plate, the spacing seal piece outside is provided with the retaining member that is used for compressing tightly the spacing seal piece. This application utilizes the retaining member to compress tightly spacing sealed piece at the toper crown plate, can make spacing sealed piece and the laminating of toper crown plate, has reduced the gap of pencil in installation round hole department, has promoted the leakproofness of pencil with the backshell, can prevent in the stagnant water gets into the backshell, has reduced the damage of water to control circuit in the backshell, has promoted the life of controller.

Description

Controller waterproof construction

Technical Field

The application relates to the field of controllers, in particular to a waterproof structure of a controller.

Background

The controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence.

The conventional controller is generally provided with a front shell, a rear shell fixed on the front shell, a control circuit fixed in the front shell and the rear shell, keys fixed in the front shell and the rear shell and connected with the control circuit, and a wire harness penetrating through the rear shell and connected to the control circuit, wherein a worker presses the keys and transmits signals to an operating machine through the control circuit and the wire harness to realize the control of the controller on the operating machine.

In view of the above-mentioned prior art, the inventor believes that water is likely to flow into the rear shell from the connection between the rear shell and the wire harness, and the water flowing into the rear shell is likely to damage the control circuit in the rear shell, which results in a defect of short service life of the controller.

SUMMERY OF THE UTILITY MODEL

In order to promote the life of controller, this application provides a controller waterproof construction.

The application provides a controller waterproof construction adopts following technical scheme:

the utility model provides a controller waterproof construction, includes preceding shell, backshell, fixes the silica gel button between preceding shell and the backshell and is connected the pencil on the backshell, the installation round hole has been seted up on the backshell, the backshell is fixed with the toper crown plate at the installation round hole, toper crown plate outside-in diameter reduces gradually, be fixed with the spacing seal piece on the pencil, installation round hole department and the spacing seal piece of pencil installation on the backshell are installed in the toper crown plate, the spacing seal piece outside is provided with the retaining member that is used for compressing tightly the spacing seal piece.

Through adopting above-mentioned technical scheme, install back at the toper ring inboard at spacing sealed piece, utilize the retaining member to compress tightly spacing sealed piece at the toper ring inboard, can make spacing sealed piece and toper ring board laminating, reduced the gap of pencil in installation round hole department, promoted the leakproofness of pencil with the backshell, can prevent in the water gets into the backshell, reduced the damage of water to control circuit in the backshell, promoted the life of controller.

Optionally, the conical ring plate is fixed in the rear shell, and the diameter of one end, close to the rear shell, of the conical ring plate is equal to the diameter of the mounting circular hole.

Through adopting above-mentioned technical scheme, it is inboard at the backshell to fix the toper crown plate, and the toper crown plate can not expose in the backshell outside, has reduced the damage of external environment to the toper crown plate, has promoted the life of toper crown plate.

Optionally, an opening expanding groove is formed in the mounting round hole of the outer side surface of the rear shell, the limiting sealing block comprises a conical rubber block located in the conical ring plate and a sealing rubber plate fixed on the outer side of the conical rubber block, and the sealing rubber plate is mounted in the opening expanding groove.

Through adopting above-mentioned technical scheme, when the retaining member compressed tightly spacing sealed piece, the toper rubber piece on the spacing sealed piece can provide the elastic extrusion force, makes the better laminating of spacing sealed piece on the toper crown plate, has promoted spacing sealed piece and the sealed effect of toper crown plate.

Optionally, the wire harness, the conical rubber block and the sealing rubber plate are integrally formed.

Through adopting above-mentioned technical scheme, toper rubber piece and sealing rubber plate can be better fix on the pencil, have promoted the overall structure stability of pencil.

Optionally, a waterproof plate is arranged outside the limiting sealing block, and the waterproof plate is installed in the flaring groove.

Through adopting above-mentioned technical scheme, can prevent the spacing sealed piece of water erosion, promote the life of spacing sealed piece.

Optionally, the waterproof board is provided with two and two waterproof boards and has seted up the semicircle orifice near one side each other, and when two waterproof boards spliced each other, the semicircle orifice on two waterproof boards formed the installation through-hole that supplies the pencil to pass.

Through adopting above-mentioned technical scheme, with two waterproof boards concatenation behind the pencil both sides, install in the flaring inslot, make things convenient for the staff to install the waterproof board in the flaring inslot.

Optionally, the waterproof board is a PVC material board.

Through adopting above-mentioned technical scheme, the PVC material board has the advantage that water blocking performance is good, can prevent that water from getting into spacing sealed piece, and the chemical properties of PVC material board is stable simultaneously, is difficult for the corruption of weing, has promoted the life of waterproof board.

Optionally, the locking member is a locking bolt, and the locking bolt penetrates through the limiting sealing block and is connected to the rear shell in a threaded manner.

Through adopting above-mentioned technical scheme, locking bolt passes spacing sealed piece threaded connection on the backshell, conveniently compresses tightly spacing sealed piece in the toper ring board on the backshell to the installation of the controller of being convenient for.

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

1. after the limiting sealing block is arranged in the conical ring plate, the limiting sealing block is tightly pressed in the conical ring plate by using the locking part, so that the limiting sealing block can be attached to the conical ring plate, the gap of a wire harness at the mounting round hole is reduced, the sealing performance of the wire harness and the rear shell is improved, water can be prevented from entering the rear shell, the damage of water to a control circuit in the rear shell is reduced, and the service life of a controller is prolonged;

2. when the locking piece presses the limiting sealing block tightly, the conical rubber block on the limiting sealing block can provide elastic extrusion force, so that the limiting sealing block is better attached to the conical ring plate, and the sealing effect of the limiting sealing block and the conical ring plate is improved;

3. the retaining member sets up to locking bolt, and locking bolt passes spacing sealed piece threaded connection on the backshell, and the convenience compresses tightly the tapered ring inboard on the backshell with spacing sealed piece to the installation of the controller of being convenient for.

Drawings

Fig. 1 is a schematic overall structure diagram of a controller waterproofing structure according to an embodiment of the present application.

Fig. 2 is an exploded view of the rear case, the wire harness, the locking member and the waterproof board according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a back shell at a conical ring plate according to an embodiment of the present application.

Description of reference numerals: 1. a front housing; 2. a rear housing; 21. mounting a round hole; 22. a conical ring plate; 23. a flared groove; 3. a silica gel key; 4. a wire harness; 41. a limit sealing block; 411. a conical rubber block; 412. sealing the rubber plate; 5. a locking member; 6. a waterproof sheet; 61. a semicircular hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses controller waterproof construction. Referring to fig. 1 and 2, the controller waterproof structure includes a front case 1, a rear case 2 fixed on the front case 1, a silicone key 3 fixed between the front case 1 and the rear case 2, and a wire harness 4 connected to the rear side of the rear case 2.

Referring to fig. 2 and 3, the rear shell 2 deviates from the front shell 1 and has been seted up installation round hole 21 to the side, the rear shell 2 deviates from the front shell 1 and has been seted up rectangle flaring groove 23 in installation round hole 21 department to the side, the rear shell 2 has conical ring plate 22 at the inboard integrated into one piece of installation round hole 21, conical ring plate 22 axis perpendicular to rear shell 2 is in installation round hole 21 department lateral wall, conical ring plate 22 outside-in diameter reduces gradually and conical ring plate 22 is close to rear shell 2 one end diameter and is the same with installation round hole 21 diameter.

Referring to fig. 2 and 3, the wire harness 4 is installed at the position of the installation round hole 21 of the rear shell 2, the wire harness 4 is fixed with a limit sealing block 41 at the installation round hole 21, the limit sealing block 41 comprises a conical rubber block 411 and a sealing rubber plate 412, the conical rubber block 411 and the wire harness 4 are integrally formed, the axis of the conical rubber block 411 coincides with the axis of the wire harness 4, when the wire harness 4 is installed at the installation round hole 21 of the rear shell 2, the conical rubber block 411 is tightly pressed in the conical ring plate 22 on the rear shell 2, under the action of elastic extrusion force of the conical rubber block 411, the conical rubber block 411 can be attached to the inner wall of the conical ring plate 22, the sealing effect of the rear shell 2 at the position of the wire harness 4 is improved, water can be prevented from entering the rear shell 2 from the connection position of the rear shell 2 and the wire harness 4, the damage of the water to a control circuit in the rear shell 2 is reduced, and the service life of the controller is prolonged.

Referring to fig. 2 and 3, the sealing rubber plate 412 is integrally formed outside the conical rubber block 411 and the sealing rubber plate 412 is installed in the flaring groove 23 on the rear shell 2, when the sealing rubber plate 412 is pressed, the inner side surface of the sealing rubber plate 412 can be tightly attached to the bottom wall of the flaring groove 23, the sealing performance of the wiring harness 4 and the rear shell 2 is improved, water can be prevented from entering the rear shell 2 from the joint of the rear shell 2 and the wiring harness 4, the damage of water to a control circuit in the rear shell 2 is reduced, and the service life of the controller is prolonged.

Referring to fig. 2 and 3, the rear shell 2 is provided with two waterproof plates 6 symmetrically arranged on the outer side of the sealing rubber plate 412, the waterproof plates 6 are made of PVC material plates, and the PVC material plates have the advantages of good water blocking performance and stable chemical performance, so that water can be prevented from penetrating through the waterproof plates 6 and entering the sealing rubber plate 412, meanwhile, the waterproof plates 6 cannot be corroded by damp, and the service life of the waterproof plates 6 is prolonged; two waterproof boards 6 splice each other and install in the flaring groove 23 of shell, and two waterproof boards 6 are close to one side intermediate position each other and have been seted up semicircle orifice 61, and after flaring groove 23 was installed into in two waterproof boards 6, semicircle orifice 61 on two waterproof boards 6 can form the installation through-hole that supplies pencil 4 to pass, and the staff of being convenient for installs waterproof board 6 in flaring groove 23.

Referring to fig. 2 and 3, locking members 5 are arranged on the two waterproof plates 6, the locking members 5 are locking bolts, the locking bolts penetrate through the waterproof plates 6 and the sealing rubber plates 412 and are connected with the rear shell 2 in a threaded mode, the waterproof plates 6 and the wiring harnesses 4 can be fixed on the rear shell 2, and meanwhile when the locking bolts are screwed into the shell, extrusion force can be provided for the sealing rubber plates 412, and the inner side faces of the sealing rubber plates 412 can be attached to the bottom wall of the flaring groove 23 conveniently.

The implementation principle of the controller waterproof structure in the embodiment of the application is as follows: install back in toper crown plate 22 at spacing sealed piece 41, utilize retaining member 5 to compress tightly spacing sealed piece 41 in toper crown plate 22, can make spacing sealed piece 41 and the laminating of toper crown plate 22, reduced the gap of pencil 4 in installation round hole 21 department, promoted the leakproofness of pencil 4 with backshell 2, can prevent in the water gets into backshell 2, reduced the damage of water to control circuit in the backshell 2, promoted the life of controller.

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 controller waterproof construction which characterized in that: including preceding shell (1), backshell (2), fixed silica gel button (3) between preceding shell (1) and backshell (2) and be connected pencil (4) on backshell (2), installation round hole (21) have been seted up on backshell (2), backshell (2) are fixed with toper crown plate (22) in installation round hole (21), toper crown plate (22) outside-in diameter reduces gradually, be fixed with spacing sealed piece (41) on pencil (4), installation round hole (21) department and spacing sealed piece (41) that pencil (4) were installed on backshell (2) are installed in toper crown plate (22), spacing sealed piece (41) outside is provided with retaining member (5) that are used for compressing tightly spacing sealed piece (41).

2. The controller waterproofing structure according to claim 1, wherein: the conical ring plate (22) is fixed in the rear shell (2) and the diameter of one end, close to the rear shell (2), of the conical ring plate (22) is equal to that of the mounting round hole (21).

3. The controller waterproofing structure according to claim 2, wherein: the rear shell (2) lateral surface has seted up flaring groove (23) in installation round hole (21) department, spacing sealing block (41) are including being located toper rubber block (411) in toper ring board (22) and fixing in sealed rubber slab (412) in toper rubber block (411) outside, sealed rubber slab (412) are installed in flaring groove (23).

4. The controller waterproofing structure according to claim 3, wherein: the wire harness (4), the conical rubber block (411) and the sealing rubber plate (412) are integrally formed.

5. The controller waterproofing structure according to claim 1, wherein: waterproof boards (6) are arranged outside the limiting sealing blocks (41), and the waterproof boards (6) are installed in the flaring slots (23).

6. The controller waterproofing structure according to claim 5, wherein: waterproof board (6) are provided with two and two waterproof board (6) and are close to one side each other and seted up semicircle orifice (61), and when two waterproof board (6) splice each other, semicircle orifice (61) on two waterproof board (6) form the installation through-hole that supplies pencil (4) to pass.

7. The controller waterproofing structure according to claim 5, wherein: the waterproof plate (6) is a PVC material plate.

8. The controller waterproofing structure according to claim 1, wherein: the locking piece (5) is arranged to be a locking bolt, and the locking bolt penetrates through the limiting sealing block (41) to be connected to the rear shell (2) in a threaded mode.