CN217877499U

CN217877499U - Straightness measuring device

Info

Publication number: CN217877499U
Application number: CN202221002873.2U
Authority: CN
Inventors: 董文强; 孙贤
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-11-22
Anticipated expiration: 2032-04-27

Abstract

The utility model provides a straightness accuracy measuring device, include: the two first sliding rails are arranged in parallel; the sliding blocks are slidably arranged on the two first sliding rails; and the spiral micrometer is fixedly connected with the sliding block, the micrometer screw rod of the spiral micrometer faces downwards and is configured to slide along the length direction of the two first sliding rails along with the sliding block so as to measure the distance from the end part of the micrometer screw rod to the tested device, and further the deformation difference value of the tested device can be obtained according to each distance, namely the straightness of the tested device is obtained.

Description

Straightness measuring device

Technical Field

The utility model relates to a technical field is measured to spare part straightness accuracy, especially relates to a straightness accuracy measuring device.

Background

At present, the decoration strip for being installed on the refrigerator door body can be bent and deformed, and the decoration strip cannot meet the requirement of production quality. In the prior art, in order to measure the straightness of the decoration strip, the decoration strip is often required to be placed in a specific environment, for example, the decoration strip is placed in a laboratory, and the straightness of the decoration strip is measured by using a laser device in the laboratory. However, the above-mentioned scheme for measuring the straightness of the decoration strip is too dependent on the environment of a laboratory, and cannot directly measure the straightness of the decoration strip in the production environment where the decoration strip is located, which brings inconvenience to the measurement of the straightness of the decoration strip.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide a display-screen-less refrigerator that overcomes or at least partially solves the above problems.

An object of the utility model is to provide a can break away from laboratory conditions restriction to can accurately obtain the straightness accuracy measuring device of the device under test straightness accuracy.

The utility model discloses a further purpose makes straightness accuracy measuring device can be applicable to the device under test of different length.

Particularly, the utility model provides a straightness accuracy measuring device includes:

the two first sliding rails are arranged in parallel;

the sliding blocks are slidably arranged on the two first sliding rails; and

and the screw micrometer is fixedly connected with the sliding block, the micrometer screw rod of the screw micrometer faces downwards, and the screw micrometer is configured to slide along the length directions of the two first sliding rails along with the sliding block so as to measure the distance from the end part of the micrometer screw rod to a tested device.

Optionally, the straightness measuring device further includes:

and one of the two supporting plates is fixedly connected with one end of the first sliding rail, and the other supporting plate is fixedly connected with the other end of the first sliding rail.

Optionally, the two first slide rails include two first sliding sections that are separated from each other, and two avoidance holes are formed in the two first sliding sections of at least one of the first slide rails along the length direction, and the avoidance holes are rotatably inserted into the avoidance holes through connecting rods, wherein the two first sliding sections are connected.

Optionally, at least one of the opposite ends of the two first sliding sections provided with the avoiding hole is of a hollow structure.

Optionally, the connecting rod is a threaded rod;

the avoiding hole is a screw hole matched with the threaded rod.

Optionally, one of the two first sliding segments is penetrated by an avoidance hole thereon;

the supporting plate connected with the first penetrated sliding section is provided with an accommodating cavity, and the accommodating cavity is provided with a first through hole so that the accommodating cavity is communicated with the avoidance hole of the first penetrated sliding section;

the straightness measuring device further comprises a motor, the motor is located in the containing cavity, the first through hole is connected with the connecting rod, and the motor is configured to drive the connecting rod to rotate in the avoiding hole.

Optionally, the sliding block is provided with a first sliding chute with a downward opening, and a second through hole penetrating through the middle part of the sliding block in the length direction;

the two first sliding rails are positioned in the first sliding grooves;

and a micrometer screw of the micrometer screw penetrates through the second through hole from top to bottom so as to fixedly connect the micrometer screw with the sliding block.

Optionally, the sliding block is provided with a second sliding chute with an upward opening;

the straightness measuring device comprises two second slide rails, the two second slide rails are respectively positioned right above the two first slide rails and are arranged in the second slide grooves in parallel, the two second slide rails comprise two second slide sections which are separated from each other, and two ends of the two second slide rails are respectively connected with the two support plates.

Optionally, the micrometer screw further comprises a digital display disposed on the slider and configured to display the measurement value of the micrometer screw.

Optionally, the digital display is located at the end of the slider in the length direction.

The utility model discloses a straightness accuracy measuring device includes two first slide rails, slider and micrometer caliper. Two first slide rails parallel arrangement. The sliding blocks are slidably arranged on the two first sliding rails. The screw micrometer is fixedly connected with the sliding block, the micrometer screw rod of the screw micrometer faces downwards and is used for sliding along the length direction of the two first sliding rails along with the sliding block, the distance from the end part of the micrometer screw rod to a tested device can be accurately measured, further, the deformation difference value of the tested device can be obtained according to each distance, and the straightness of the tested device can be obtained. Specifically, for example, the device to be tested may be placed below the first slide rail, an undeformed target position is determined on the device to be tested, a target distance from the end of the micrometer screw to the target position of the device to be tested is measured, and then distances from the end of the micrometer screw to other positions of the device to be tested are compared with the target distance to obtain deformation differences at different positions of the device to be tested, that is, the straightness of the device to be tested. The straightness measuring device in this scheme is very light and handy, and portable no longer relies on the environment in laboratory, can directly measure very convenience at the production environment at device under test place.

Furthermore, one support plate is fixedly connected with one end of the first slide rail, the other support plate is fixedly connected with the other end of the first slide rail, the first slide rail can be fixedly supported, the distance between the two first slide rails is prevented from changing, and the two first slide rails are always in a parallel state.

Further, the connecting rod is rotatably inserted into the avoiding hole to connect the two first sliding sections, that is, the connecting rod can slide in the avoiding hole along the length direction of the two first sliding sections. The two first sliding sections connected through the connecting rod are enabled to move separately, even if the distance between the two first sliding sections is longer and longer, the two first sliding sections are connected through the connecting rod, so that the whole length of the first sliding rail is prolonged, and a tested device with longer length can be measured. Therefore, the two first sliding rails comprise two first sliding sections which are separated from each other, the avoidance holes are formed in the two first sliding sections of at least one of the two first sliding rails along the length direction, the two first sliding sections are rotatably inserted into the avoidance holes through the connecting rods and connected, the overall length of the first guide rail can be changed, and the two first sliding sections are suitable for tested devices with different lengths.

Further, when making two first sections of slipping connected through the connecting rod do the separation removal, because these two first sections of slipping pass through the connecting rod and connect, in order to make the user more convenient observation connecting rod and its the first section of slipping of male motion circumstances, can make set up two first sections of slipping relative end of hole for hollow out construction, the user can observe the connecting rod through hollow out construction towards the outside condition of shifting out of hole of dodging, so that control the biggest displacement distance of first section of slipping, prevent that connecting rod and the first section of slipping connected from breaking away from thoroughly.

Further, the connecting rod can rotate along the screw, and then along inserting the direction of dodging the hole or withdraw from and dodge the hole and remove, can insert the distance of dodging the hole or withdraw from the distance of dodging the hole with accurate control connecting rod more easily, has improved user's use and has experienced.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural diagram of a linearity measuring device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a linearity measuring device according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a linearity measuring device according to another embodiment of the present invention;

fig. 4 is a schematic structural view of a partial structure of a linearity measuring device according to another embodiment of the present invention;

fig. 5 is a schematic structural view of a partial structure of a linearity measuring device according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a partial structure of a linearity measuring device according to another embodiment of the present invention;

fig. 7 is a schematic structural diagram of a linearity measuring device according to another embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Fig. 1 is a schematic structural diagram of a linearity measuring device according to an embodiment of the present invention, which is a top view of the linearity measuring device; fig. 2 is a schematic structural diagram of a linearity measuring device according to another embodiment of the present invention, which is a front view of the linearity measuring device. Referring to fig. 1 and 2, the straightness measuring device 200 may include two first slide rails 201, a slider 202, and a micrometer screw 203. The two first sliding rails 201 are arranged in parallel. The sliding blocks 202 are slidably disposed on the two first sliding rails 201. The micrometer screw 203 is fixedly connected to the slider 202, and the micrometer screw faces downward, and is configured to slide along the length direction of the two first slide rails 201 along with the slider 202, so as to measure the distance from the end of the micrometer screw to the device under test.

In this embodiment, the device under test may be a molding or other type of device. The straightness measuring device 200 includes two first slide rails 201, a slider 202, and a micrometer screw 203. The two first sliding rails 201 are arranged in parallel. The sliding blocks 202 are slidably disposed on the two first sliding rails 201. The micrometer screw 203 is fixedly connected with the sliding block 202, faces downwards and is used for sliding along the length direction of the two first sliding rails 201 along with the sliding block 202, so that the distance from the end part of the micrometer screw to a tested device can be accurately measured, the deformation difference value of the tested device can be obtained according to the distances, and the straightness of the tested device can be obtained. Specifically, for example, the device to be tested may be placed below the first slide rail 201, an undeformed target position is determined on the device to be tested, a target distance from the end of the micrometer screw to the target position of the device to be tested is measured, and then distances from the end of the micrometer screw to other positions of the device to be tested are compared with the target distance to obtain a deformation difference at different positions of the device to be tested, that is, the straightness of the device to be tested. Straightness accuracy measuring device 200 in this scheme is very light and handy, and portable no longer relies on the environment in laboratory, can directly measure unusual convenience at the production environment at device under test place.

In an embodiment of the present invention, the straightness measuring assembly may further include two support plates 204. One of the supporting plates 204 is fixedly connected with one end of the first slide rail 201, and the other supporting plate 204 is fixedly connected with the other end of the first slide rail 201.

In this embodiment, one end fixed connection of a backup pad 204 and first slide rail 201, another backup pad 204 and the other end fixed connection of first slide rail 201 can play the fixed stay effect to first slide rail 201, prevents that the distance between two first slide rails 201 from changing, makes two first slide rails 201 be in parallel state all the time.

Referring to fig. 4 and 5, in an embodiment of the present invention, the two first slide rails 201 include two first slide segments 2011 separated from each other, and the two first slide segments 2011 of at least one of the two first slide rails 201 have been provided with the avoiding hole 2012 along the length direction, and are rotatably inserted into the avoiding hole 2012 through the connecting rod 2013 to connect the two first slide segments 2011.

In this embodiment, the connecting rod 2013 is rotatably inserted into the avoiding hole 2012 to connect the two first slide segments 2011, that is, the connecting rod 2013 can slide in the avoiding hole 2012 along the length direction of the two first slide segments 2011. The two first slide segments 2011 connected by the connecting rod 2013 are separated, and even if the distance between the two first slide segments 2011 is longer and longer, the two first slide segments 2011 are connected by the connecting rod 2013, so the whole length of the first slide rail 201 is prolonged, and a device to be tested with longer length can be measured. Therefore, the two first slide rails 201 include two first slide segments 2011 separated from each other, and the two first slide segments 2011 of at least one of the two first slide rails 201 are provided with the avoiding hole 2012 along the length direction, and are rotatably inserted into the avoiding hole 2012 through the connecting rod 2013 to connect the two first slide segments 2011, so that the overall length of the first slide rail 201 can be changed, and the device under test is applicable to a plurality of different lengths.

In an embodiment of the present invention, at least one of the opposite ends of the two first slip segments 2011, which are provided with the avoiding hole 2012, is a hollow structure.

In this embodiment, as shown in fig. 5, an end of the first slide segment 2011 in fig. 5 is a hollow structure. When two first slip segments 2011 connected through a connecting rod 2013 are separated and moved, because the two first slip segments 2011 are connected through the connecting rod 2013, in order to enable a user to observe the motion condition between the connecting rod 2013 and the inserted first slip segment 2011 more conveniently, at least one of the opposite ends of the two first slip segments 2011 provided with the avoiding hole 2012 can be of a hollow structure, the user can observe the condition that the connecting rod 2013 moves out towards the outside of the avoiding hole 2012 through the hollow structure, so that the maximum moving distance of the first slip segments 2011 is controlled, and the connecting rod 2013 and the first slip segments 2011 connected with the connecting rod are prevented from being completely separated.

In one embodiment of the present invention, the connecting rod 2013 is a threaded rod; dodge hole 2012 is a screw hole adapted to the threaded rod.

In this embodiment, the connecting rod 2013 can rotate along the screw hole, and then move along the direction of inserting into the avoiding hole 2012 or withdrawing from the avoiding hole 2012, and the distance that the connecting rod 2013 inserted into the avoiding hole 2012 or withdrawn from the avoiding hole 2012 can be controlled more easily and accurately, thereby improving the user experience.

Referring to fig. 3 and 4, in an embodiment of the present invention, one of the two first slide segments 2011 is penetrated by the avoidance hole 2012 thereon. The supporting plate 204 connected to the first sliding segment 2011 has a receiving cavity 205, and the receiving cavity 205 is opened with a first through hole 206, so that the receiving cavity 205 is connected to the avoiding hole 2012 of the first sliding segment 2011. The straightness measuring device 200 further includes a motor 207, located in the accommodating cavity 205, and connected to the connecting rod 2013 through the first through hole 206, for driving the connecting rod 2013 to rotate in the avoiding hole 2012.

In this embodiment, the motor 207 is located in the accommodating cavity 205, and is connected with the connecting rod 2013 through the first through hole 206, so as to drive the connecting rod 2013 to rotate in the avoiding hole 2012, thereby reducing the operation of the user and improving the use experience of the user. Specifically, when one of the opposite ends of the two first sliding sections 2011 provided with the avoidance hole 2012 is a hollow structure, the other sliding section is penetrated through by the avoidance hole 2012 on the other sliding section, so that only the first sliding section 2011 of the hollow structure can be moved in a direction away from the other first sliding section 2011, the position relationship between the first sliding section 2011 of the hollow structure and the connecting rod 2013 is observed, and the first sliding section 2011 of the hollow structure and the connecting rod 2013 are prevented from being separated.

Referring to fig. 6, in an embodiment of the present invention, the sliding block 202 has a first sliding groove 208 with a downward opening, and a second through hole 209 is formed at a middle portion in a length direction thereof. The two first slide rails 201 are located in the first slide groove 208. The micrometer screw of the micrometer screw 203 passes through the second through hole 209 from top to bottom so that the micrometer screw 203 and the sliding block 202 are fixedly connected.

In this embodiment, the second through hole 209 extends vertically through the middle of the slider 202 in the longitudinal direction. The micrometer screw of the micrometer screw 203 passes through the second through hole 209 from top to bottom so that the micrometer screw 203 and the sliding block 202 are fixedly connected, and the two first sliding rails 201 are positioned in the first sliding grooves 208. Generally, the two first sliding rails 201 are respectively abutted against the groove walls of the first sliding grooves 208, so that the sliding block 202 is ensured not to shake in the process of sliding along the length direction of the two first sliding rails 201, and the position of the micrometer screw 203 can be controlled more easily.

Referring to fig. 6 and 7, in one embodiment of the present invention, the sliding block 202 has a second sliding groove 210 with an upward opening. The straightness measuring device 200 may include two second slide rails 211, the two second slide rails 211 are respectively located right above the two first slide rails 201 and are disposed in the second sliding groove 210 in parallel, and the two second slide rails 211 include two second sliding sections 2111 separated from each other, and two ends of the second sliding sections are respectively connected to the two supporting plates 204.

In this embodiment, two second slide rails 211 are located directly over two first slide rails 201 respectively, and parallel arrangement is in second spout 210, and two second slide rails 211 include two second slippery sections 2111 of alternate segregation, its both ends are connected with two backup pads 204 respectively, can block slider 202 between first slide rail 201 and second slide rail 211, make slider 202, first slide rail 201 and second slide rail 211 become an overall structure, no matter how to put straightness accuracy measuring device 200, slider 202 can not break away from first slide rail 201 or second slide rail 211 yet, the condition that slider 202 lost can be avoided, user's use experience has further been improved. In addition, the part of the second slide rail 211 opposite to the hollowed part of the first slide rail 201 is also of a hollowed structure, so that the sight of a user is prevented from being blocked.

In one embodiment of the present invention, the micrometer caliper 203 may further comprise a digital display 212. A digital display 212 is provided on the slide 202 for displaying the measurement values of the micrometer screw 203.

In this embodiment, if the user observes the measurement value of the micrometer screw 203 with eyes, not only eye fatigue is easily caused, but also errors are easily generated in the read measurement result, and the digital display 212 is disposed on the slider 202 to display the measurement value of the micrometer screw 203, so that the above problems can be easily avoided, and the user experience is further improved.

In one embodiment of the present invention, the digital display 212 may be located at the end of the slider 202 in the length direction.

In this embodiment, the digital display 212 is located at the end of the slider 202 in the length direction, that is, the digital display 212 is located at a position other than between the two first sliding rails 201, so that the data of the digital display 212 can be conveniently read by a user, and the user can avoid touching the digital display 212 when sliding the slider 202 along the length direction of the first sliding rail 201, thereby facilitating the operation of the user.

The above embodiments can be combined at will, and according to any one of the above preferred embodiments or the combination of a plurality of preferred embodiments, the embodiment of the present invention can achieve the following advantages:

the utility model discloses a straightness measuring device 200 includes two first slide rails 201, slider 202 and micrometer caliper 203. The two first sliding rails 201 are arranged in parallel. The sliding blocks 202 are slidably disposed on the two first sliding rails 201. The micrometer screw 203 is fixedly connected with the sliding block 202, faces downwards and is used for sliding along the length direction of the two first sliding rails 201 along with the sliding block 202, so that the distance from the end part of the micrometer screw to a tested device can be accurately measured, the deformation difference value of the tested device can be obtained according to the distances, and the straightness of the tested device can be obtained. Specifically, for example, the device to be tested may be placed below the first slide rail 201, an undeformed target position is determined on the device to be tested, a target distance from the end of the micrometer screw to the target position of the device to be tested is measured, and then distances from the end of the micrometer screw to other positions of the device to be tested are compared with the target distance to obtain a deformation difference at different positions of the device to be tested, that is, the straightness of the device to be tested. The straightness measuring device 200 in the scheme is very light and handy, is convenient to carry, does not depend on the environment of a laboratory any more, can directly measure the production environment where the tested device is located, and is very convenient.

In the description of the present embodiments, 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", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for 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, are not to be construed as limiting the present invention.

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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and "coupled" and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected or integral to one another; 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. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

Further, in the description of the present embodiments, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. That is, in the description of the present embodiment, the first feature being "on," "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.

Unless otherwise defined, all terms (including technical and scientific terms) used in the description of the present embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the description of the present embodiments, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made to the invention consistent with the principles of the invention, which may be directly determined or derived from the disclosure of the present invention, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A straightness measuring device, comprising:

the two first sliding rails are arranged in parallel;

the sliding blocks are slidably arranged on the two first sliding rails; and

2. The straightness measurement device of claim 1, further comprising:

3. The straightness measurement device according to claim 2,

two first slide rail includes two first smooth sections of alternate segregation, and two the hole of dodging has been seted up along length direction to two first smooth sections of at least one in the first slide rail to rotationally insert through the connecting rod in the hole of dodging with two first smooth section is connected.

4. The straightness measurement device according to claim 3,

at least one of the opposite ends of the two first sliding sections provided with the avoidance holes is of a hollow structure.

5. The straightness measurement device according to claim 3,

the connecting rod is a threaded rod;

the avoiding hole is a screw hole matched with the threaded rod.

6. The straightness measurement device according to claim 5,

one of the two first sliding sections is penetrated by the avoidance hole on the first sliding section;

7. The straightness measurement device according to claim 1,

the sliding block is provided with a first sliding chute with a downward opening, and the middle part of the sliding block in the length direction is provided with a through second through hole;

the two first sliding rails are positioned in the first sliding grooves;

8. The straightness measurement device according to claim 3,

the sliding block is provided with a second sliding groove with an upward opening;

9. The straightness measurement device of claim 1,

the micrometer screw further comprises a digital display arranged on the sliding block and configured to display the measured value of the micrometer screw.

10. The straightness measurement device according to claim 9,

the digital display is positioned at the end part of the sliding block in the length direction.