CN213181656U

CN213181656U - High-stability pressure-resistant instrument

Info

Publication number: CN213181656U
Application number: CN202022189463.0U
Authority: CN
Inventors: 王雅娜
Original assignee: Jinhang Huizhong Wuhan Electrical Equipment Co ltd
Current assignee: Jinhang Huizhong Wuhan Electrical Equipment Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-11
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a high stability withstand voltage appearance, including the shell and set up in the preceding control panel of shell and wiring hole the inside in wiring hole is provided with dustproof subassembly the bottom four corners department of shell all is provided with the support base, be provided with the connecting rod between the bottom of support base and shell. The utility model discloses be provided with dustproof component, seal the wiring mouth that is in idle state, can effectually avoid the dust to get into, when the test pencil is pegged graft to needs, utilize the interior concave structure atress of dust guard to extrude the dust guard to the ring channel in, easy operation facilitates the use, simultaneously the utility model discloses be provided with height adjusting assembly, can rotate even axle according to actual demand, drive the shell and be close to control panel one side and go up and down, and then make control panel be in comparatively ideal observation angle, make things convenient for operating personnel to read, do benefit to in-service use.

Description

High-stability pressure-resistant instrument

Technical Field

The utility model relates to a withstand voltage appearance technical field, in particular to withstand voltage appearance of high stability.

Background

The security of an electronic device is the most important part of the factors that determine its quality, and generally, the security parameters include the following: AC/DC high voltage, DC high insulation resistance (or insulation resistance), ground resistance, leakage current, pulse high voltage, pulse large current, etc., most manufacturers, especially those of information technology equipment, select four most important product safety tests as the last conventional product tests of the production process, which include a voltage withstanding test, an insulation test, a ground conduction test and a leakage current test, and these tests are designed to ensure that users do not have electric shock accidents due to misoperation or instrument failure when operating the equipment, the essential requirement of the voltage-resistant test is to use a voltage-resistant instrument, which is an instrument for testing the voltage-resistant capability of various electrical devices, insulating materials and insulating structures, the process of applying a high voltage to an insulating material or an insulating structure without destroying the performance of the insulating material is called a withstand voltage test. The general purpose of the voltage withstanding instrument is to check the capability of the insulation to withstand the working voltage or overvoltage, and then to check whether the insulation performance of the product equipment meets the safety standard.

But withstand voltage appearance is at present in specific use, because the wiring hole exposes in the external world usually, when long-time use back, probably get into the dust in the wiring hole, and then cause the wiring hole and test harness between the contact not good, reduced withstand voltage appearance's life, simultaneously because withstand voltage appearance is in the state of keeping flat mostly, inconvenient operating personnel carries out the reading.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a withstand voltage appearance of high stability to solve among the prior art because the wiring hole advances the dust and causes test wire harness contact failure and because the high inconvenient regulation of withstand voltage appearance causes the problem of the inconvenient reading of operating personnel.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a withstand voltage appearance of high stability, includes the shell and sets up in the preceding control panel of shell and wiring hole the inside in wiring hole is provided with dustproof subassembly the bottom four corners department of shell all is provided with the support base, be provided with the connecting rod between the bottom of supporting base and shell, wherein is located two connecting rods of shell rear side rotate with the support base that corresponds and are connected, two in addition be provided with the altitude mixture control subassembly between connecting rod and the support base, wherein:

the dustproof assembly comprises an annular groove formed in the inner side of the wiring hole, three dustproof plates are arranged in the annular groove, the dustproof plates are of a fan-shaped structure, the arc length of each dustproof plate is equal to one third of the perimeter of the inner wall of the wiring hole, a spring is arranged between each dustproof plate and the annular groove, the three dustproof plates are mutually attached, and the outer sides of the dustproof plates are arranged in an inwards concave mode;

the height adjusting assembly comprises an adjusting groove and a connecting shaft, the adjusting groove and the connecting shaft are arranged at the top of the supporting base, the connecting rod is inserted into the adjusting groove, one end of the connecting shaft sequentially penetrates through the two adjusting grooves and is connected to the inside of the supporting base in a rotating mode through a bearing, a rotating handle is arranged at the other end of the connecting shaft, a rack is arranged on one side of the connecting rod, a gear is sleeved at the position, corresponding to the rack, of the connecting shaft, and the gear is meshed with the rack.

Preferably, the quantity of spring sets up to a plurality ofly, and a plurality of springs are the equidistance along the circumferencial direction of ring channel and distribute the setting, the both ends of spring bond with the inner wall and the dust guard of ring channel respectively.

Preferably, a sliding block is arranged on one side, away from the rack, of the connecting rod, a sliding groove is formed in the position, corresponding to the sliding block, of the inner wall of the adjusting groove, and the sliding block is connected in the sliding groove in a sliding mode.

Preferably, the sliding block is of a T-shaped structure, and the sliding groove is a T-shaped groove.

Preferably, the rear side of the shell is provided with a heat dissipation opening, and a dustproof filter screen is arranged in the heat dissipation opening.

Preferably, the both sides wall of thermovent has all seted up the dead slot, the built-in shrouding that is equipped with of dead slot, the quantity of shrouding is two, and the length sum of two shroudings is greater than the length of thermovent, the shrouding is located the rear side of dustproof filter screen.

Adopt above-mentioned technical scheme, the utility model discloses be provided with dustproof subassembly, seal the wiring mouth that is in idle state, can avoid the dust to get into effectively, when needs grafting test pencil, utilize the interior concave structure atress of dust guard to extrude the dust guard to the ring channel in, easy operation facilitates the use, simultaneously the utility model discloses be provided with height adjusting assembly, can rotate even axle according to actual demand, drive the shell and be close to control panel one side and go up and down, and then make control panel be in comparatively ideal observation angle, make things convenient for operating personnel to read, do benefit to in-service use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a middle dust-proof assembly of the utility model;

FIG. 3 is a schematic structural view of a height adjustment assembly of the present invention;

fig. 4 is a rear side view of the present invention.

In the figure, 1 shell, 2 control panel, 3 wiring holes, 4 dustproof components, 5 supporting base, 6 connecting rods, 7 height adjusting mechanism, 8 sliding blocks, 9 sliding grooves, 10 heat dissipation ports, 11 dustproof filter screens, 12 empty grooves, 13 sealing plates, 41 annular grooves, 42 dustproof plates, 43 springs, 71 adjusting grooves, 72 connecting shafts, 73 racks, 74 gears and 75 turnhandles.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

But at present withstand voltage appearance in specific use, because the wiring hole exposes in the external world usually, after long-time use, probably get into the dust in the wiring hole, and then cause the contact between wiring hole and the test pencil poor, reduced withstand voltage appearance's life, simultaneously because withstand voltage appearance is in the state of keeping flat mostly, inconvenient operating personnel carries out the reading in view of this, the utility model provides a withstand voltage appearance of high stability please refer to and draw together 1-4, for the utility model provides a withstand voltage appearance's of high stability concrete embodiment.

A high-stability pressure-resistant instrument comprises a shell 1, a control panel 2 and wiring holes 3, wherein the control panel 2 and the wiring holes 3 are arranged in front of the shell 1, dustproof assemblies 4 are arranged in the wiring holes 3, supporting bases 5 are arranged at four corners of the bottom of the shell 1, connecting rods 6 are arranged between the supporting bases 5 and the bottom of the shell 1, two connecting rods 6 positioned at the rear side of the shell 1 are rotatably connected with the corresponding supporting bases 5, a spherical rotating block is arranged at the bottom end of each connecting rod 6, a circular groove matched with the spherical rotating block is formed in the top of each connecting base 5, the spherical rotating blocks are in interference fit in the circular grooves, so that when the connecting rods 6 positioned at the front end are lifted, the connecting rods 6 positioned at the rear end rotate to help to ensure that the pressure-resistant instrument is in a stable state in the lifting process, and height adjusting assemblies 7 are arranged between the connecting rods 6 and the supporting bases 5, mainly be in order to go up and down to the shell that is provided with 2 one sides of control panel for operating personnel's better observation is gone up the numerical value that shows on 2 control panel, alleviates operating personnel's fatigue, wherein:

referring to fig. 1-2, the dust-proof assembly 4 includes an annular groove 41 opened on the inner side of the wiring hole 3, three dust-proof plates 42 are installed inside the annular groove 41, the dust-proof plates 42 are of a fan-shaped structure, the arc length of each dust-proof plate 42 is equal to one third of the circumference length of the inner wall of the wiring hole 3, a spring 43 is disposed between the dust-proof plate 42 and the annular groove 41, the three dust-proof plates 42 are mutually attached, and the outer side of the dust-proof plate 42 is arranged in a concave manner, so that the dust-proof plates 42 are mutually attached under the elasticity of the spring 43 in a closed state, and the wiring hole 3 is further sealed, and the position of the dust-proof plate 42 is at the opening of the wiring hole 3, and the bottom of the opening of the wiring hole 3 is arranged in an inclined manner, so that the amount of dust entering can be effectively reduced, that is, dust can slide down from the inclined, the dust amount is reduced, it should be noted that the outer sides of the dust-proof plates 42 are arranged in an inwards concave manner, and it can be understood that the recesses formed by the three dust-proof plates 42 are in a spherical shape, so that when the dust-proof plates 42 are stressed, the dust-proof plates can move towards the annular groove 41 more quickly, and an operator can conveniently communicate the test wiring harness with the wiring hole 3;

in a specific implementation process, when the wiring hole 3 is in an idle state, the dust-proof plates 42 are mutually attached under the elasticity of the springs 43 to seal the opening of the wiring hole 3, when the wiring hole 3 needs to be communicated with the test wiring harness, an operator holds the test wiring harness to horizontally insert into the wiring hole 3, the end of the test harness is in contact with the dust-proof plate 42 at the time of insertion, and since the outer side of the dust-proof plate 42 is spherically recessed, therefore, a pressing force is given to the three dust-proof plates 42, so that the spring 43 is stressed to contract, the dust-proof plates 42 smoothly enter the annular groove 41, when the test harness is completely inserted into the wiring hole 3, the dust-proof plate 42 is fitted into the annular groove 41, meanwhile, it should be noted that the dust-proof plate 42 is made of a rubber material, which is helpful for reducing the abrasion degree between the dust-proof plate 42 and the test harness, and further achieves the purpose of protecting the test harness.

Referring to fig. 1 and 3, the height adjusting assembly 7 includes an adjusting groove 71 and a connecting shaft 72, the adjusting groove 71 and the connecting shaft 72 are opened at the top of the supporting base 5, the connecting rod 6 is inserted into the adjusting groove 71, one end of the connecting shaft 72 sequentially penetrates through the two adjusting grooves 71 and is rotatably connected to the inside of the supporting base 5 through a bearing, the other end of the connecting shaft 72 is provided with a rotating handle 75, one side of the connecting rod 6 is provided with a rack 73, a gear 74 is sleeved on the connecting shaft 72 at a position corresponding to the rack 73, the gear 74 is engaged with the rack 73, it can be understood that one connecting shaft 72 can be rotated to drive the two gears 74 to synchronously rotate, and further, by means of the cooperation between the gear 74 and the rack 73, the connecting rod 6 extends upwards, so that one side of the housing 1 can be lifted up along with the continuous upward movement of the connecting rod 6, so that the inclination angle of the control panel 2 is changed, so that the operator can read the data conveniently and the fatigue of the operator can be relieved.

In specific implementation, the operator gives a rotating force to the connecting shaft 72 through the operation of the rotating handle 75, and then drives the two gears 74 to rotate synchronously, because the gears 74 are meshed with the racks 73, the connecting rod 6 is driven to move upwards, after the connecting rod is moved to a proper position, the operation is stopped, and meanwhile, when the inclination angle of the control panel 3 needs to be adjusted, the rotating handle 75 can be rotated reversely.

In order to make dust guard 72 atress more even, the quantity of spring 43 sets up to a plurality ofly, and a plurality of springs 43 are the equidistance along the circumferencial direction of ring channel 41 and distribute the setting, the both ends of spring 43 bond with the inner wall of ring channel 41 and dust guard 42 respectively, so set up can make the elasticity that dust guard 72 received more even, make dust guard 72 be difficult for taking place the phenomenon of aversion at the removal in-process, and spring 43 through the mode of bonding and ring channel 41's inner wall and dust guard 42 fixed connection, help carrying on spacingly to spring 43, avoid spring 43 to take place the position change, make the atress angle change, influence the normal clear of dust guard 72.

In order to limit the motion track of the connecting rod 6, a sliding block 8 is arranged on one side, away from the rack 73, of the connecting rod 6, a sliding groove 9 is formed in the inner wall of the adjusting groove 71, corresponding to the position of the sliding block 8, the sliding block 8 is slidably connected into the sliding groove 9, the sliding block 8 is of a T-shaped structure, the sliding groove 9 is a T-shaped groove, it can be understood that the sliding block 8 moves in the sliding groove 9, and the T-shaped arrangement of the sliding block 8 enables the sliding block 8 not to be separated from the sliding groove 9 and enables the connecting rod 6 to keep moving linearly, so that the pressure resistance tester cannot be inclined.

In order to reduce the amount of dust entering the heat dissipating port 10, the rear side of the housing 1 is provided with the heat dissipating port 10, a dustproof filter screen 11 is arranged inside the heat dissipating port 10, two side walls of the heat dissipating port 10 are both provided with empty slots 12, the empty slots 12 are internally provided with two sealing plates 13, the number of the sealing plates 13 is two, the sum of the lengths of the two sealing plates 13 is greater than the length of the heat dissipating port 10, the sealing plates 13 are located at the rear side of the dustproof filter screen 11, it can be understood that the arrangement of the dustproof filter screen 11 is a dustproof treatment means when the heat dissipating port 10 is in an external communication state, when the heat dissipating port 10 is in an idle state, the heat dissipating port 10 can be sealed by the sealing plates 13, so that dust is effectively prevented from entering the housing 1, electronic components assembled inside the housing 1 are protected, and a good promoting effect on improving the electronic components is achieved, it is required to explain, when the heat dissipation port 10 is in operation, the sealing plate 13 is located in the empty groove 12, and the normal operation of the pressure resistance instrument is not affected.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a withstand voltage appearance of high stability which characterized in that: including the shell and set up in the preceding control panel of shell and wiring hole the inside in wiring hole is provided with dustproof subassembly the bottom four corners department of shell all is provided with the support base, be provided with the connecting rod between the bottom of supporting base and shell, wherein be located two connecting rods of shell rear side rotate with the support base that corresponds and are connected, two in addition be provided with the altitude mixture control subassembly between connecting rod and the support base, wherein:

2. The high stability pressure-resistant instrument according to claim 1, wherein: the quantity of spring sets up to a plurality ofly, and a plurality of springs are the equidistance along the circumferencial direction of ring channel and distribute the setting, the both ends of spring bond with the inner wall and the dust guard of ring channel respectively.

3. The high stability pressure-resistant instrument according to claim 1, wherein: one side of the connecting rod, which is far away from the rack, is provided with a sliding block, a sliding groove is formed in the position, corresponding to the sliding block, of the inner wall of the adjusting groove, and the sliding block is connected in the sliding groove in a sliding mode.

4. The high stability pressure-resistant instrument according to claim 3, wherein: the slider is T type structure, the spout is T type recess.

5. The high stability pressure-resistant instrument according to claim 1, wherein: the rear side of shell is opened and is equipped with the thermovent the inside of thermovent is provided with dustproof filter screen.

6. The high stability pressure-resistant instrument according to claim 5, wherein: the both sides wall of thermovent has all seted up the dead slot, the built-in shrouding that is equipped with of dead slot, the quantity of shrouding is two, and the length sum of two shroudings is greater than the length of thermovent, the shrouding is located the rear side of dustproof filter screen.