CN211740254U - PEMS test equipment's quick installation protective housing - Google Patents

Abstract

The utility model discloses a PEMS test equipment's quick installation protective housing, comprising a base plate, sliding fit has the fixed plate on the bottom plate, the fixed box that is provided with on the fixed plate, be provided with the intermediate box in the box, be provided with the inner tower in the intermediate box, the inner tower top is provided with compact structure, compact structure includes runner screw rod and clamp plate, the upper end and the box fixed connection of runner screw rod, the lower extreme of runner screw rod stretches to the inner tower, the clamp plate cup joints in runner screw rod lower extreme, clamp plate and rotation screw rod threaded connection, the clamp plate is fixed in the intermediate box with the inner tower in, PEMS test equipment detachably sets up in the inner tower. The embodiment of the utility model provides a connect on the bottom plate through sliding fit the fixed plate for the fixed plate can be pulled out, is convenient for install test equipment. Through setting up compact structure, utilize to rotate runner screw rod and promote the clamp plate and remove to can compress tightly the inner tower in the middle box, the position of restriction inner tower, and can improve the convenience of dismouting inner tower.

Description

PEMS test equipment's quick installation protective housing

Technical Field

The utility model relates to an automobile road discharges test equipment's installation protection technology, especially relates to a PEMS test equipment's quick installation protective housing.

Background

PEMS is a shorthand for the English Portable Emission Measurement System, and is translated in Chinese as a "Portable Emission test System" or a "vehicle-mounted exhaust gas detection device". Compared with a laboratory type certification test, the actual road driving pollutant emission test has self specificity, which is mainly expressed in the following aspects: 1. the equipment needs to run on a road along with a vehicle for a long time, so that the factors of shock absorption, stability, dust prevention, heat dissipation, water prevention and the like are fully considered when the equipment is installed; 2. the power supply of the equipment (the battery is used mostly) and the standard gas bottle are arranged as close to the equipment as possible and are firm and reliable; 3. the equipment communication wiring harness and the sampling pipe need to extend to the corresponding interface end of the vehicle, so that the problems of wiring harness pipeline abrasion, signal interference and the like need to be considered during installation.

Disclosure of Invention

An object of the utility model is to provide an install protective housing fast suitable for PEMS test equipment.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

According to the utility model discloses an aspect provides a PEMS test equipment's quick installation protective housing, comprising a base plate, sliding fit has connect the fixed plate on the bottom plate, the fixed box that is provided with on the fixed plate, be provided with the intermediate box in the box, be provided with the inner frame in the intermediate box, the inner frame top is provided with compact structure, compact structure includes runner screw rod and clamp plate, the upper end of runner screw rod with box fixed connection connects, the lower extreme of runner screw rod stretch to the inner frame, the clamp plate cup joint in runner screw rod lower extreme, the clamp plate with rotate screw rod threaded connection, the clamp plate will the inner frame is fixed in the intermediate box, PEMS test equipment detachably set up in the inner frame.

In one embodiment, the bottom of the inner frame of the protective box is provided with a mounting hole, and the PEMS test equipment is connected with the mounting hole by means of a bolt.

In an embodiment, the bottom plate of the protective box is slidably coupled to the fixing plate through a sliding structure, the sliding structure includes a sliding groove formed in an upper surface of the bottom plate, and a wheel and a slider arranged at a bottom of the fixing plate, and both the wheel and the slider are clamped in the sliding groove.

In one embodiment, a buffer bottom cushion is arranged between the fixing plate and the box body of the protection box.

In one embodiment, a gas cylinder fixing frame is arranged on one side of the middle box of the protective box, a gas cylinder limiting structure is arranged in the gas cylinder fixing frame and comprises a limiting piece and a fixing piece, the fixing piece comprises a connecting portion and a limiting portion, the connecting portion is fixedly connected with the gas cylinder fixing frame, the limiting piece and the limiting portion form a circular ring, one end of the limiting piece is hinged to one end of the limiting portion through a connecting pin, and the other end of the limiting piece is connected with the other end of the limiting portion through a limiting screw rod.

In one embodiment, the inner side walls of the limiting piece and the limiting part of the protection box are provided with buffering spacers.

In one embodiment, transverse blocks are arranged on two sides in the box body of the protective box, the height of each transverse block is higher than the top end of the middle box, rubber sleeve columns are arranged in the transverse blocks in a penetrating mode, and the rubber sleeve columns are of hollow columnar structures.

In an embodiment, a wire harness fixing structure is further arranged above the rubber sleeve column of the protective box and comprises a vertical frame plate, a locking piece, a limiting spring, a guide pin and a blocking piece, the vertical frame plate is fixedly connected with the inner wall of the box body, the blocking piece is fixedly connected with the box body, one end of the guide pin is fixedly connected with the locking piece, the other end of the guide pin penetrates through the blocking piece, a limiting block is arranged at one end, penetrating out of the blocking piece, of the guide pin, and the limiting spring is sleeved outside the guide pin.

In one embodiment, the front end and the rear end of the box body of the protective box are respectively provided with a box door, the box doors are connected with the box body through hinges, the rear end box doors are provided with ventilation fans, and the side faces of the box body are provided with slotted holes.

In one embodiment, a power box is arranged on one side of the middle box of the protection box.

The embodiment of the utility model provides a beneficial effect is: through with the fixed plate sliding fit connect on the bottom plate for the fixed plate can pull out, is convenient for install test equipment. Through setting up compact structure, utilize to rotate runner screw rod and promote the clamp plate and remove to can compress tightly the inner tower in the middle box, the position of restriction inner tower, and can improve the convenience of dismouting inner tower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

The above features and advantages of the present invention will be better understood upon reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.

Fig. 1 is an overall cross-sectional schematic view of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention with the front end tank door closed;

fig. 3 is a schematic view of a gas cylinder limiting structure according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of area A of FIG. 1;

FIG. 5 is an enlarged view of a portion of the area B in FIG. 1;

fig. 6 is a schematic perspective view of an inner frame according to an embodiment of the present invention;

wherein: 1. a base plate; 2. a chute; 3. a wheel; 4. a slider; 5. a fixing plate; 6. a rubber bottom pad; 7. a box body; 8. an intermediate box; 9. an inner frame; 10. pressing a plate; 11. a runner screw; 12. a gas cylinder fixing frame; 13. a limiting sheet; 14. a connecting pin; 15. a rubber spacer; 16. a fixing sheet; 17. a limit screw; 18. a transverse block; 19. a rubber sleeve column; 20. a beam limiting mechanism; 2001. a vertical frame plate; 2002. a locking piece; 2003. a limiting spring; 2004. a guide pin; 2004a, a limiting block; 2005. a baffle plate; 21. a box door; 22. a ventilation fan; 23. a hinge; 24. a power supply box; 25. a slot; 26. installing a bolt; 28. and (7) installing holes.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be understood as imposing any limitation on the scope of the present invention.

As shown in fig. 1-6, the utility model discloses a PEMS test equipment's quick installation protective housing, including bottom plate 1 and box 7, the inside left and right sides of bottom plate 1 all is provided with spout 2, and the inside of spout 2 is provided with wheel 3, slider 4 is installed to the rear end of wheel 3, fixed plate 5 is installed to the top of bottom plate 1, as shown in fig. 2, bottom plate 1 constitutes sliding structure with fixed plate 5 through the cooperation between spout 2 and the slider 4, and be connected between fixed plate 5 and the wheel 3, and spout 2, wheel 3 and slider 4 three all are about the vertical central line symmetric distribution of bottom plate 1, fixed plate 5 can move along the axis direction of spout 2 through slider 4, can effectual realization to the pulling out and withdrawing of fixed plate 5; the wheel 3 can effectual reduction fixed plate 5 and the bottom plate 1 between frictional force, and the symmetric distribution of spout 2 and slider 4 can effectually avoid fixed plate 5 to produce the incline to can the effectual stability that improves fixed plate 5 and remove.

The inside of box 7 is provided with middle box 8, the inside of middle box 8 is provided with interior frame 9, and clamp plate 10 is installed to the top of interior frame 9, runner screw rod 11 is installed to the top of clamp plate 10, middle box 8 passes through the cooperation between clamp plate 10 and the runner screw rod 11 and constitutes detachable construction with middle box 8, and be connected between middle box 8 and the box 7, place interior frame 9 into the inside of middle box 8, the accessible rotates runner screw rod 11 and promotes clamp plate 10 and remove, act on interior frame 9 until clamp plate 10 with the packing force, thereby can effectual restriction interior frame 9's position, improve the convenience of dismouting interior frame 9. In the present embodiment, as shown in fig. 6, four corners of the bottom of the inner frame 9 are provided with mounting holes 28, so that the PEMS test apparatus can be mounted in the inner frame 9 by bolts.

In a possible embodiment, a rubber bottom pad 6 is arranged between the fixed plate 5 and the box body 7, and those skilled in the art can easily understand that other flexible materials can be used as the buffer bottom pad. For threaded connection between fixed plate 5 and the box 7, bond mutually between fixed plate 5 and the rubber heelpiece 6, rubber heelpiece 6 can be effectual separates between fixed plate 5 and the box 7 to avoid bumping between box 7 and the fixed plate 5, provide effectual buffering for box 7.

The fixed frame 12 of gas cylinder is installed to one side of middle box 8, be provided with gas cylinder limit structure in the fixed frame 12 of gas cylinder, this gas cylinder limit structure is as shown in fig. 3, including spacing piece 13 and stationary blade 16, stationary blade 16 includes connecting portion 16a and spacing portion 16b, connecting portion 16a and the fixed frame 12 fixed connection of gas cylinder, 13 spacing piece and spacing portion 16b constitute the ring, the one end of spacing piece 13 and the one end of spacing portion 16b are articulated with the help of connecting pin 14, the other end of spacing piece 13 and the other end of spacing portion 16b are connected with the help of stop screw 17. All be provided with rubber shock insulator 15 on spacing piece 13 and spacing portion 16 b's the inside wall, place the inside of the fixed frame 12 of gas cylinder into with the gas cylinder during use, rotate spacing piece 13, make spacing piece 13 rotate along the outside of connecting pin 14, until laminating mutually between spacing piece 13 and the stationary blade 16, at this moment, spacing screw 17 is connected between spacing piece 13 and the stationary blade 16, elasticity degree applied through spacing screw 17, can effective control spacing piece 13 and the clamping force degree that stationary blade 16 applyed the gas cylinder, thereby can effectively restrict the position of gas cylinder, avoid the gas cylinder to produce and rock or incline, and rubber shock insulator 15 can separate external object and gas cylinder, thereby alleviate the wearing and tearing that the gas cylinder received.

In order to reduce abrasion of a wire harness and a hose of a test device due to friction and collision in the running process of a vehicle, in a possible embodiment, a transverse block 18 can be further arranged on the inner wall of the box body 7, the transverse block 18 is arranged above the middle box 8, a rubber sleeve column 19 penetrates through the transverse block 18, the transverse block 18 is bonded with the rubber sleeve column 19, the rubber sleeve column 19 is of a hollow cylindrical structure, the wire harness or the hose can penetrate into the rubber sleeve column 19, and therefore the rubber sleeve column 19 can separate the wire harness or the hose from the transverse block 18, the position of the wire harness or the hose is limited, and abrasion of the wire harness or the hose is reduced.

Further, a beam limiting mechanism 20 can be further arranged above the transverse block 18, as shown in a partially enlarged view of fig. 5, the beam limiting mechanism 20 includes a vertical frame plate 2001, locking pieces 2002, a limiting spring 2003, a guide pin 2004 and a blocking piece 2005, the vertical frame plate 2001 is fixedly connected with the inner wall of the box body 7, the blocking piece 2005 is fixedly connected with the box body 7, the blocking piece 2005 is uniformly provided with a plurality of locking pieces 2002 at intervals, one end of the guide pin 2004 is fixedly connected with the locking pieces 2002, the other end of the guide pin 2004 penetrates through the blocking piece 2005 and is provided with a limiting block 2004a, and the limiting spring 2003 is sleeved outside the guide pin. Can run through into between vertical frame board 2001 and the locking piece 2002 with pencil or hose, at this moment, under the effect of spacing spring 2003, can effectual promotion locking piece 2002 for locking piece 2002 acts on pencil or hose with the packing force, thereby can effectual restriction pencil or the position of hose, and locking piece 2002's evenly distributed can provide different places positions for pencil or hose, can effectual with pencil or hose separation processing, avoid intertwining between pencil or the hose, thereby can effectual assurance pencil or the orderliness of hose.

Both ends all are provided with chamber door 21 around box 7, and be provided with ventilation blower 22 on the chamber door 21 of rear end, chamber door 21 is connected between hinge 23 and box 7, chamber door 21 can open and shut through effectual realization between hinge 23 and the box 7, and when chamber door 21 is in the closure state, can the outside dust of effectual separation or the entering of water stain, make box 7 can provide reliable storage space for the test equipment subassembly, and ventilation blower 22 can handle for the inside efficient wind-force cooling that provides of box 7, slotted hole 25 is all installed to the left and right sides of box 7 outer wall, power supply box 24 is installed to the opposite side of middle box 8.

The embodiment of the utility model provides a working process brief follows:

when using this protective housing, at first, place into the carriage with bottom plate 1, be connected bottom plate 1 with the carriage, move fixed plate 5 through slider 4 along the axis direction of spout 2 until fixed plate 5 is pulled out, then, be connected between box 7 and the middle box 8, at this moment, can promote fixed plate 5 and move along the axis direction of spout 2, push into initial position with fixed plate 5.

Secondly, place interior frame 9 into the inside of middle box 8, accessible rotates runner screw 11 and promotes the clamp plate 10 and remove, until clamp plate 10 with the packing force act on interior frame 9, thereby the position of frame 9 in can effectual restriction, test equipment can be placed to the inside of interior frame 9, and the mounting hole 28 has been seted up to the bottom of interior frame 9 inner wall, be connected through the bolt with test equipment between mounting hole 28 and the interior frame 9, thereby position between frame 9 and the test equipment in can effectual restriction.

Then, the gas cylinder can be placed in the gas cylinder limiting frame 12, the limiting piece 13 is rotated along the outer portion of the connecting pin 14 until the limiting piece 13 is attached to the fixing piece 16, at the moment, the limiting screw 17 is connected between the limiting piece 13 and the fixing piece 16, the limiting piece 13 and the fixing piece 16 apply clamping force to the gas cylinder, and therefore the position of the gas cylinder can be effectively limited.

Then, the external wire harness is pulled to penetrate through the slotted hole 25, the wire harness is pulled into the box body 7, then the wire harness or the hose penetrates through the rubber sleeve column 19 in sequence, at the moment, the rubber sleeve column 19 can effectively separate the wire harness or the hose from the transverse block 18, then the wire harness or the hose can be pulled out in a classified mode and penetrates between the vertical frame plate 2001 and the blocking piece 2005 in sequence, at the moment, the blocking piece 2005 can be effectively pushed through the guide pin 2004 under the action of the limiting spring 2003, so that the blocking piece 2005 can apply pressing force to the wire harness or the hose, and the position of the wire harness or the hose can be effectively limited.

Finally, when chamber door 21 was in the closed condition, the entering of dust or the water stain of separation outside that can be effectual for box 7 can provide reliable storage space for the subassembly, and ventilation blower 22 can provide efficient wind-force cooling for the subassembly and handle.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. The utility model provides a PEMS test equipment's quick installation protective housing which characterized in that: the improved portable electronic device comprises a base plate, sliding fit has the fixed plate on the bottom plate, the fixed box that is provided with on the fixed plate, be provided with the middle box in the box, be provided with the inner tower in the middle box, the inner tower top is provided with compact structure, compact structure includes runner screw rod and clamp plate, the upper end of runner screw rod with box fixed connection connects, the lower extreme of runner screw rod stretches to the inner tower, the clamp plate cup joint in runner screw rod lower extreme, the clamp plate with runner screw rod threaded connection, the clamp plate will the inner tower is fixed in the middle box, PEMS test equipment detachably set up in the inner tower.

2. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: the internal frame bottom is provided with the mounting hole, PEMS test equipment with the help of the bolt with the mounting hole is connected.

3. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: the bottom plate passes through sliding construction with the fixed plate slides and connects, sliding construction including set up in the spout of bottom plate upper surface, set up in the wheel and the slider of fixed plate bottom, wheel and slider all block locate in the spout.

4. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: and a buffer bottom pad is arranged between the fixed plate and the box body.

5. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: one side of middle box is provided with the fixed frame of gas cylinder, be provided with gas cylinder limit structure in the fixed frame of gas cylinder, gas cylinder limit structure includes spacing piece and stationary blade, the stationary blade includes connecting portion and spacing portion, connecting portion with the fixed frame fixed connection of gas cylinder, spacing piece with spacing portion constitutes the ring, the one end of spacing piece with the one end of spacing portion is articulated with the help of the connecting pin, the other end of spacing piece with the other end of spacing portion is connected with the help of limiting screw.

6. The quick-install shielding kit for PEMS testing apparatus according to claim 5, further comprising: the limiting piece and the inner side wall of the limiting portion are provided with buffering spacers.

7. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: the improved box is characterized in that transverse blocks are arranged on two sides in the box body, the height of each transverse block is higher than the top end of the middle box, rubber sleeve columns penetrate through the transverse blocks, and the rubber sleeve columns are of hollow columnar structures.

8. The quick-install shielding box of PEMS testing equipment according to claim 7, characterized in that: rubber sleeve post top still is provided with pencil fixed knot and constructs, pencil fixed knot constructs including erecting frame plate, lock piece, spacing spring, uide pin and separation blade, erect the frame plate with box inner wall fixed connection, the separation blade with box fixed connection, the one end of uide pin with lock piece fixed connection, the other end of uide pin passes the separation blade, the uide pin is worn out the one end of separation blade is provided with the stopper, spacing spring cup joint in outside the uide pin.

9. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: the refrigerator is characterized in that the front end and the rear end of the refrigerator body are respectively provided with a refrigerator door, the refrigerator doors are connected with the refrigerator body through hinges, the refrigerator doors are arranged at the rear end and are provided with ventilating fans, and the side faces of the refrigerator body are provided with slotted holes.

10. The quick-install shielding box of PEMS testing equipment according to claim 1, characterized in that: and a power box is further arranged on one side of the middle box.

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