CN210953880U

CN210953880U - Low-temperature test experimental device for rubber brake hose

Info

Publication number: CN210953880U
Application number: CN201921723881.4U
Authority: CN
Inventors: 侯方磊; 张宁宁; 殷晓晨
Original assignee: Qingdao Sunsong Co ltd
Current assignee: Qingdao Sunsong Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-07
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a rubber brake hose low temperature test experimental apparatus, including the box that is used for providing low temperature environment, install the dabber in the box for drive the dabber is around the rotatory dabber rotating assembly of its central axis to and be used for the rubber tube fixed part of fixed connection rubber tube one end and dabber lateral wall, rubber tube fixed part is fixed in on the lateral wall of dabber, dabber rotating assembly include with dabber fixed connection's pivot, pivot and the coaxial setting of dabber, be equipped with the mounting hole on the box, mounting hole fixed mounting have with the bearing of pivot adaptation, the one end of pivot is worn out from the bearing the box. The device need not to unpack and can realize the rotatory bending of rubber tube, can maintain stable low temperature experiment temperature in whole experimentation, ensures the experimental result accuracy.

Description

Low-temperature test experimental device for rubber brake hose

Technical Field

The utility model belongs to the technical field of the rubber tube test, concretely relates to rubber brake hose low temperature test experimental apparatus.

Background

In order to ensure that the automobile rubber pipe can meet the relevant automobile detection standard, low-temperature resistance tests in the simulation operation process need to be carried out on the automobile rubber pipe. According to the experimental requirements, a low temperature resistance test is carried out on the rubber tube sample piece under the specified low temperature condition, then the rubber tube sample piece is rotated by 180 degrees around a specified mandrel under the specified low temperature condition, so that the rubber tube forms a semi-arc shape, and then further testing is carried out.

The current experimental mode is: after the low-temperature test is carried out in the low-temperature box according to the specified temperature, the low-temperature box is opened, and the rubber tube sample piece is manually rotated and bent for 180 degrees around the mandrel to carry out the test. However, in this experimental method, during the opening of the low temperature chamber, the temperature in the chamber rapidly increases due to the ambient temperature being higher than the test temperature, and it is not guaranteed that the low temperature specified in the test is always maintained, which affects the accuracy of the experimental result.

Disclosure of Invention

Not enough to prior art, the to-be-solved technical problem of the utility model is to provide rubber brake hose low temperature test experimental apparatus, the device need not to unpack can realize the rubber tube rotation bending, can maintain stable low temperature experiment temperature in whole experimentation, ensures the experimental result accuracy.

In order to achieve the above object, the utility model discloses a technical scheme be:

the utility model provides a rubber brake hose low temperature test experimental apparatus, includes the box that is used for providing low temperature environment, installs the dabber in the box for drive the dabber is around the rotatory dabber rotating assembly of its central axis to and be used for the rubber tube fixed part of fixed connection rubber tube one end and dabber lateral wall, rubber tube fixed part is fixed in on the lateral wall of dabber, dabber rotating assembly include with dabber fixed connection's pivot, pivot and the coaxial setting of dabber, be equipped with the mounting hole on the box, mounting hole fixed mounting have with the bearing of pivot adaptation, the one end of pivot is worn out from the bearing the box.

Preferably, the hose fixing member includes a clamping portion provided on the side wall of the mandrel so as to clamp the end of the hose.

Preferably, the clamping part comprises a pressing rod parallel to the central axis of the mandrel, through holes capable of penetrating fixing bolts are formed in two ends of the pressing rod respectively, two screw holes matched with the fixing bolts are formed in the side wall of the mandrel, the screw holes and the through holes are arranged in a one-to-one correspondence mode, and the pressing rod is fixedly connected with the mandrel through the two fixing bolts.

Preferably, the mandrel rotating assembly further comprises a rotating handle arranged outside the box body, and the rotating handle is fixedly arranged at one end of the rotating shaft.

Preferably, the mandrel rotating assembly further comprises a rotating shaft bracket, the upper end of the rotating shaft bracket is provided with a shaft support matched with the rotating shaft, the shaft support is supported below the rotating shaft, and the lower end of the rotating shaft bracket is fixedly connected with the bottom surface of the box body.

Preferably, the number of the rotating shaft brackets is two, and the rotating shaft brackets are respectively arranged near two ends of the mandrel.

Preferably, a bracket base is fixedly mounted on the bottom surface of the box body, and the lower end part of the rotating shaft bracket is fixedly mounted on the bracket base.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect: the utility model provides a rubber brake hose low temperature test experimental apparatus, the device need not to unpack can realize the rubber tube rotation bending, can maintain stable low temperature experiment temperature in whole experimentation, ensures the experimental result accuracy.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of a low-temperature test experimental device for a rubber brake hose;

FIG. 2 is a schematic structural diagram of a second embodiment of a low-temperature test experimental device for a rubber brake hose;

in the above figure: the device comprises a box body 1, a core shaft 2, a rotating shaft 3, a bearing 4, a rotating handle 5, a rotating shaft bracket 6, a shaft support 7, a rubber tube fixing part 8, a clamp 81, a fixing bolt 82 and a pressure lever 83.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", "front", "rear", etc. indicate the positional relationship based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a low-temperature test experimental device for a rubber brake hose comprises a box body 1 for providing a low-temperature environment, a mandrel 2 installed in the box body 1, a mandrel rotating assembly for driving the mandrel 2 to rotate around the central axis thereof, and a rubber tube fixing part 8 for fixedly connecting one end of a rubber tube with the side wall of the mandrel 2, wherein the rubber tube fixing part is fixed on the side wall of the mandrel 2, the mandrel rotating assembly comprises a rotating shaft 3 fixedly connected with the mandrel 2, the rotating shaft 3 and the mandrel 2 are coaxially arranged, a mounting hole is formed in the box body 1, a bearing 4 matched with the rotating shaft 3 is fixedly installed in the mounting hole, and one end of the rotating shaft 3 penetrates out of the box body 1 from the bearing 4.

Adopt above-mentioned device structure, pass through rubber tube fixed part 8 with the one end of rubber tube appearance piece and fix on the lateral wall of

dabber

2, 3 ends of the outer pivot of rotation box 1 can drive dabber 2 rotations in the box 1, thereby realize that the rubber tube appearance piece revolutes crooked 180 at the dabber, satisfy rubber tube low temperature test experiment requirement, and the crooked in-process of rubber tube need not to open the box, avoided opening the experiment temperature change that causes because of the box, can maintain stable low temperature experiment temperature in whole experimentation, ensure the experimental result accuracy.

Specifically, the rubber tube fixing part 8 comprises a clamping part arranged on the side wall of the mandrel 2 and capable of clamping the end part of the rubber tube.

Specifically, as shown in fig. 1, the clamping portion includes a pressing rod 83 parallel to the central axis of the mandrel 2, through holes capable of penetrating the fixing bolts 82 are respectively formed in two ends of the pressing rod 83, two screw holes matched with the fixing bolts 82 are formed in the side wall of the mandrel 2, the screw holes and the through holes are arranged in a one-to-one correspondence manner, and the pressing rod 83 is fixedly connected to the mandrel 2 through the two fixing bolts 82. The clamping part adopts the structure, and the distance between the pressure rod 83 and the side wall of the mandrel 2 can be adjusted through the fixing bolt 82, so that the clamping part is conveniently suitable for clamping and fixing rubber tube samples of different sizes.

In addition to the above structure, the clamping portion may be provided with a clamp 81 for clamping and fixing the hose sample as shown in fig. 2, and the clamp 81 is fixedly installed on the sidewall of the mandrel 2.

Specifically, the mandrel rotating assembly further comprises a rotating handle 5 arranged outside the box body 1, and the rotating handle 5 is fixedly arranged at one end of the rotating shaft 3.

Specifically, dabber rotating component still includes pivot bracket 6, pivot bracket 6 upper end be equipped with the axle of 3 adaptations of pivot holds in the palm 7, axle hold in the palm 7 bearing in 3 below of pivot, the lower tip fixed connection box 1 bottom surface of pivot bracket 6. The provision of the spindle carrier 6 enhances the stability of the device during rotation of the spindle 2.

Specifically, the number of the rotating shaft brackets 6 is two, and the two rotating shaft brackets are respectively close to two ends of the mandrel 2.

Specifically, a bracket base is fixedly mounted on the bottom surface of the box body 1, and the lower end part of the rotating shaft bracket 6 is fixedly mounted on the bracket base.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a rubber brake hose low temperature test experimental apparatus, its characterized in that, is including the box that is used for providing low temperature environment, installs the dabber in the box for drive the dabber is around the rotatory dabber rotating assembly of its central axis to and be used for the rubber tube fixed part of fixed connection rubber tube one end and dabber lateral wall, rubber tube fixed part is fixed in on the lateral wall of dabber, dabber rotating assembly include with dabber fixed connection's pivot, pivot and the coaxial setting of dabber, be equipped with the mounting hole on the box, mounting hole fixed mounting have with the bearing of pivot adaptation, the one end of pivot is worn out from the bearing the box.

2. The experimental device for testing the low temperature of the rubber brake hose as claimed in claim 1, wherein the rubber hose fixing member includes a clamping portion disposed on the sidewall of the mandrel for clamping the end of the rubber hose.

3. The experimental device for the low-temperature test of the rubber brake hose as claimed in claim 2, wherein the clamping portion comprises a pressing rod parallel to the central axis of the mandrel, through holes through which fixing bolts can be inserted are respectively formed at two ends of the pressing rod, two screw holes adapted to the fixing bolts are formed in the sidewall of the mandrel, the screw holes and the through holes are arranged in a one-to-one correspondence manner, and the pressing rod is fixedly connected to the mandrel through the two fixing bolts.

4. The experimental device for testing the low temperature of the rubber brake hose as claimed in claim 1, wherein the spindle rotating assembly further comprises a rotating handle disposed outside the housing, and the rotating handle is fixedly mounted at one end of the rotating shaft.

5. The experimental device for testing the low temperature of the rubber brake hose according to claim 1, wherein the mandrel rotating assembly further comprises a rotating shaft bracket, a shaft support matched with the rotating shaft is arranged at the upper end of the rotating shaft bracket, the shaft support is supported below the rotating shaft, and the lower end of the rotating shaft bracket is fixedly connected with the bottom surface of the box body.

6. The experimental device for testing the low temperature of the rubber brake hose according to claim 5, wherein the number of the rotating shaft brackets is two, and the two rotating shaft brackets are respectively arranged near two ends of the mandrel.

7. The experimental device for testing the low temperature of the rubber brake hose as claimed in claim 5, wherein a bracket base is fixedly mounted on the bottom surface of the box body, and the lower end of the rotating shaft bracket is fixedly mounted on the bracket base.