Quick change mechanism of measuring head

Abstract

The utility model discloses a quick change mechanism of a measuring head, which comprises a measuring head body comprising a first support, a first measuring head and a second measuring head, one end of the first support is connected with the first measuring head, the other end of the first support is connected with the second measuring head, and the first support is provided with a first magnetic mechanism; the quick-change mechanism body comprises a second support and a connector, one end of the second support is connected with the connector, and the connector is used for fixing the quick-change mechanism body to a centering rod; second magnetic attraction mechanisms are arranged at the other end of the second support, the number of the second magnetic attraction mechanisms is matched with that of the first magnetic attraction mechanisms, and the second magnetic attraction mechanisms can be matched with the first magnetic attraction mechanisms. And the measuring head body is fixed on the quick-change mechanism body in two modes that the first measuring head faces outwards and the second measuring head faces outwards.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a quick-change mechanism of a measuring head. Background Art

[0002] The centering rod is a rod-shaped measuring device made of aluminum alloy, carbon fiber and other materials with adjustable length. The top of the centering rod is connected to the equipment, and the bottom is connected to the measuring head. During the use of the centering rod, it may be necessary to quickly switch the measuring head according to the usage scenario. The traditional centering rod needs to replace the measuring head separately during use, which is complicated and time-consuming, adding a lot of inconvenience to the measurement project.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] The utility model aims to provide a quick-change mechanism for a measuring head which can quickly switch the measuring head according to different application scenarios.

[0005] To achieve the above-mentioned objectives, the utility model provides a quick-change mechanism for a measuring head, comprising: a measuring head body, comprising a first bracket, a first measuring head and a second measuring head, one end of the first bracket being connected to the first measuring head, the other end of the first bracket being connected to the second measuring head, and a first magnetic mechanism being provided on the first bracket; a quick-change mechanism body, comprising a second bracket, and a connecting head, one end of the second bracket being connected to the connecting head, and the connecting head being used to fix the quick-change mechanism body on a centering rod; a second magnetic mechanism being provided on the other end of the second bracket, the number of the second magnetic mechanisms matching that of the first magnetic mechanisms, and the second magnetic mechanism being able to cooperate with the first magnetic mechanism to fix the measuring head body on the quick-change mechanism body in two modes, with the first measuring head facing outward and the second measuring head facing outward.

[0006] In one or more embodiments, the first magnetic attraction mechanism includes a protruding first clamping end, and first magnets disposed on upper and lower surfaces of the first clamping end.

[0007] In one or more embodiments, the second magnetic attraction mechanism includes a second clamping end capable of accommodating the first clamping end, and a second magnet disposed on the second clamping end and capable of magnetically attracting the first magnet.

[0008] In one or more embodiments, the first measuring head is a roller, one end of the first bracket includes a U-shaped frame, two first side walls of the U-shaped frame are provided with symmetrical first through holes, the U-shaped frame can accommodate the roller, and the first through holes can cooperate with the parent and child screws to fix the roller on the U-shaped frame.

[0009] In one or more embodiments, the second measuring head is a cone tip.

[0010] In one or more embodiments, the second bracket is U-shaped, and the second bracket can accommodate the measuring head body.

[0011] In one or more embodiments, the second bracket is provided with auxiliary holes, and the auxiliary holes are symmetrically arranged on two second side walls of the U-shaped second bracket.

[0012] In one or more embodiments, there are two first magnetic attraction mechanisms, which are symmetrically arranged on the two first side walls.

[0013] In one or more embodiments, a first auxiliary card slot is provided on the first card connection end, and a corresponding second auxiliary card slot is provided on the second card connection end. The first auxiliary card slot cooperates with the second auxiliary card slot to ensure that the quick-change mechanism body and the measuring head body are installed.

[0014] In one or more embodiments, the first auxiliary slot is a circular slot, the second auxiliary slot is a second through hole corresponding to the circular slot, and the second through hole and the circular slot can accommodate a plunger.

[0015] The utility model provides a quick-change mechanism for a measuring head, which is provided with a quick-change mechanism body and a measuring head body integrating two measuring heads, wherein the quick-change mechanism body and the measuring head body are connected by magnetic attraction. The measuring head body can be installed on the quick-change mechanism body with one measuring head facing the inside of the quick-change mechanism body and the other measuring head facing the direction of use. When the measuring head needs to be replaced, it is only necessary to unplug the measuring head and turn the direction so that the other measuring head that does not need to be used faces the inside of the quick-change mechanism body and the measuring head that needs to be used faces the direction of use. The quick replacement of the measuring head can be achieved. In addition, through holes and circular grooves are respectively provided on the quick-change mechanism body and the measuring head body. By cooperating with the plunger, it can be quickly determined that the quick-change mechanism body and the measuring head body are installed in place. The measuring head conversion process is simplified, the number of measuring head accessories is reduced, and the operation is convenient, firm and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded view of a quick-change mechanism of a measuring head provided in an embodiment of the utility model.

[0017] Figure 2 It is a detailed structural diagram of a quick-change mechanism body provided in an embodiment of the utility model.

[0018] Figure 3 It is a detailed structural diagram of a measuring head body provided in an embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of a quick-change mechanism of a measuring head in an installation method provided in an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the quick-change mechanism body of the centering rod and the measuring head in another installation manner provided in an embodiment of the utility model.

[0021] Description of main reference numerals:

[0022] 1-centering rod, 2-measuring head body, 21-first bracket, 211-first magnetic attraction mechanism, 2111-first clamping end, 2112-first magnet, 2113-first auxiliary slot, 22-first measuring head, 23-second measuring head, 24-U-shaped frame, 241-first side wall, 3-quick change mechanism body, 31-second bracket, 311-second magnetic attraction mechanism, 3111-second clamping end, 3112-second magnet, 3113-second auxiliary slot, 312-auxiliary hole, 313-second side wall, 32-connecting head, 4-mother-and-child screws, 5-plunger. DETAILED DESCRIPTION

[0023] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0024] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0025] A quick-change mechanism for a measuring head, such as Figures 1 to 5As shown, it includes: a measuring head body 2, including a first bracket 21, a first measuring head 22 and a second measuring head 23, one end of the first bracket 21 is connected to the first measuring head 22, the other end of the first bracket 21 is connected to the second measuring head 23, and the first bracket 21 is provided with a first magnetic attraction mechanism 211; a quick-change mechanism body 3, including a second bracket 31, and a connecting head 32, one end of the second bracket 31 is connected to the connecting head 32, and the connecting head 32 is used to fix the quick-change mechanism body 3 on the centering rod 1; the other end of the second bracket 31 is provided with a second magnetic attraction mechanism 311, the number of the second magnetic attraction mechanism 311 matches the first magnetic attraction mechanism 211, and the second magnetic attraction mechanism 311 can cooperate with the first magnetic attraction mechanism 211 to fix the measuring head body 2 on the quick-change mechanism body 3 in two modes with the first measuring head 22 facing outward and the second measuring head 23 facing outward.

[0026] Specifically, the connecting head 32 is used to connect the centering rod 1 and the quick-change mechanism body 3. When the measuring head body 2 is installed on the quick-change mechanism body 3, the two measuring heads of the measuring head body 2 face one outward and one inward. Facing inward means that one end of the measuring head is installed toward the quick-change mechanism body 3, and facing outward means that one end of the measuring head is installed away from the quick-change mechanism body 3. When the first measuring head 22 faces outward, the first measuring head 22 is used for measurement. When you want to replace the measuring head, you only need to remove the measuring head body 2 by unplugging and plugging, then turn the direction, and install the first measuring head 22 inward into the quick-change mechanism body 3, so that you can switch to using the second measuring head 23 for measurement.

[0027] As an optional implementation, the first magnetic attraction mechanism 211 includes a protruding first clamping end 2111 and first magnets 2112 arranged on the upper and lower surfaces of the first clamping end 2111 .

[0028] Specifically, the first magnet 2112 disposed on the upper and lower surfaces of the first clamping end 2111 has the same magnetic poles and is opposite to the magnetic poles of the second magnet 3112. As a preferred embodiment, the first clamping end 2111 is a cube. The first clamping end 2111 can also be a whole piece of metal that can be magnetically attracted, in which case there is no first magnet 2112, but only the second magnet 3112. Or the second clamping end 3111 is a metal that can be magnetically attracted, in which case there is no second magnet 3112, but only two first magnets 2112.

[0029] As an optional embodiment, the second magnetic attraction mechanism 311 includes a second clamping end 3111 capable of accommodating the first clamping end 2111 , and a second magnet 3112 disposed on the second clamping end 3111 and capable of magnetically attracting the first magnet 2112 .

[0030] Specifically, the second magnet 3112 is disposed inside the second clamping end 3111, and a groove for accommodating the second magnet 3112 is disposed inside the second clamping end 3111, so that after the second magnet 3112 is installed, the inside of the second clamping end 3111 is flat. When the first clamping end 2111 is clamped into the second clamping end 3111, the first clamping end 2111 can be clamped in the second clamping end 3111 with uniform force.

[0031] As an optional embodiment, the first measuring head 22 is a roller, and one end of the first bracket 21 includes a U-shaped frame 24. The two first side walls 241 of the U-shaped frame 24 are provided with symmetrical first through holes. The U-shaped frame 24 can accommodate the roller, and the first through holes can cooperate with the parent and child screws 4 to fix the roller on the U-shaped frame 24.

[0032] Specifically, the roller is suitable for when the centering rod needs to be moved or turned for measurement.

[0033] As an optional implementation, the second measuring head 23 is a cone tip.

[0034] Specifically, the cone tip is suitable for when the centering rod needs to be measured at a fixed point.

[0035] As an optional implementation, the second bracket 31 is U-shaped, and the second bracket 31 can accommodate the measuring head body 2 .

[0036] Specifically, the second bracket 31 can match two test states: the first measuring head 22 faces inward and the second measuring head 23 faces inward. As a preferred embodiment, the second bracket 31 is U-shaped, and the number of the second magnetic attraction mechanisms 311 is two. The second bracket 31 can also be a hollow cuboid with one side open, and the number of the second magnetic attraction mechanisms 311 is four, which are evenly arranged on the four side walls connected to the opening. The number of the first magnetic attraction mechanisms 211 is four. If the first measuring head 22 and the second measuring head 23 of the measuring head body 2 are set as the top surface and the bottom surface, then the four magnetic attraction mechanisms are arranged on the front, back, left, and right sides of the measuring head body 2.

[0037] As an optional implementation, the second bracket 31 is provided with an auxiliary hole 312 , and the auxiliary holes 312 are symmetrically arranged on two second side walls 313 of the U-shaped second bracket 31 .

[0038] Specifically, there are two auxiliary holes 312, which are symmetrical and of equal size, and can enhance the balance of the second bracket 31. The auxiliary holes 312 can reduce the weight of the second bracket 31, and facilitate the operation of the handheld quick-change mechanism when plugging and unplugging the measuring head.

[0039] As an optional implementation, there are two first magnetic attraction mechanisms 211 symmetrically arranged on the two first side walls 241 .

[0040] Specifically, the U-shaped frame 24 includes a bottom surface and two first side walls 241, which together form a U-shaped structure. The first magnetic attraction mechanism 211 is respectively protrudingly arranged on the outer walls of the two first side walls 241. Specifically, the outer wall refers to the side opposite to the adjacent first side wall 241.

[0041] As an optional embodiment, a first auxiliary card slot 2113 is provided on the first card connection end 2111, and a corresponding second auxiliary card slot 3113 is provided on the second card connection end 3111. The first auxiliary card slot 2113 and the second auxiliary card slot 3113 cooperate to ensure that the quick-change mechanism body 3 and the measuring head body 2 are installed.

[0042] Specifically, there are two first auxiliary card slots 2113 symmetrically arranged on the two first card connection ends 2111 , and the second auxiliary mechanism is symmetrically arranged on the two second card connection ends 3111 .

[0043] As an optional implementation, the first auxiliary slot 2113 is a circular slot, the second auxiliary slot 3113 is a second through hole corresponding to the circular slot, and the second through hole and the circular slot can accommodate the plunger 5 .

[0044] Specifically, when the measuring head body 2 is installed on the quick-change mechanism body 3, confirm that the circular groove is aligned with the through hole, and insert the plunger 5, the first auxiliary slot 2113 and the second auxiliary slot 3113 can ensure that the quick-change mechanism body 3 and the measuring head body 2 are installed in place and prevent the measuring head body 2 from falling off.

[0045] By adopting the above technical scheme, a quick-change mechanism 3 of a measuring head is provided, wherein a quick-change mechanism body 3 and a measuring head body 2 integrating two measuring heads are provided, wherein the quick-change mechanism body 3 and the measuring head body 2 are connected by magnetic attraction. The measuring head body 2 can be installed on the quick-change mechanism body 3 with one measuring head facing the inside of the quick-change mechanism body 3 and the other measuring head facing the direction of use. When the measuring head needs to be replaced, it is only necessary to unplug the measuring head and turn the direction so that the other measuring head that does not need to be used faces the inside of the quick-change mechanism body 3 and the measuring head that needs to be used faces the direction of use. The quick replacement of the measuring head can be achieved. In addition, through holes and circular grooves are respectively provided on the quick-change mechanism body 3 and the measuring head body 2. By cooperating with the plunger 5, it can be quickly determined that the quick-change mechanism body 3 and the measuring head body 2 are installed in place. The measuring head conversion process is simplified, the number of measuring head accessories is reduced, and the operation is convenient, firm and reliable.

[0046] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A quick-change mechanism for a measuring head, characterized in that: include: The measuring head body comprises a first bracket, a first measuring head and a second measuring head, wherein one end of the first bracket is connected to the first measuring head, the other end of the first bracket is connected to the second measuring head, and the first bracket is provided with a first magnetic attraction mechanism; The quick-change mechanism body includes a second bracket and a connecting head, one end of the second bracket is connected to the connecting head, and the connecting head is used to fix the quick-change mechanism body on the centering rod; the other end of the second bracket is provided with a second magnetic attraction mechanism, the number of the second magnetic attraction mechanism matches the first magnetic attraction mechanism, and the second magnetic attraction mechanism can cooperate with the first magnetic attraction mechanism to fix the measuring head body on the quick-change mechanism body in two modes: the first measuring head facing outward and the second measuring head facing outward.

2. A quick-change mechanism for a measuring head as claimed in claim 1, characterized in that: The first magnetic attraction mechanism includes a protruding first clamping end and first magnets arranged on the upper and lower surfaces of the first clamping end.

3. A quick-change mechanism for a measuring head as claimed in claim 2, characterized in that: The second magnetic attraction mechanism includes a second clamping end capable of accommodating the first clamping end, and a second magnet disposed on the second clamping end and capable of magnetically attracting the first magnet.

4. A quick-change mechanism for a measuring head as claimed in claim 1, characterized in that: The first measuring head is a roller, and one end of the first bracket includes a U-shaped frame. The two first side walls of the U-shaped frame are provided with symmetrical first through holes. The U-shaped frame can accommodate the roller, and the first through holes can cooperate with the parent and child screws to fix the roller on the U-shaped frame.

5. The quick-change mechanism of a measuring head according to claim 1, characterized in that: The second measuring head is a cone tip.

6. A quick-change mechanism for a measuring head as claimed in claim 1, characterized in that: The second bracket is U-shaped and can accommodate the measuring head body.

7. A quick-change mechanism for a measuring head as claimed in claim 6, characterized in that: The second bracket is provided with auxiliary holes, and the auxiliary holes are symmetrically arranged on the two second side walls of the U-shaped second bracket.

8. A quick-change mechanism for a measuring head as claimed in claim 7, characterized in that: There are two second magnetic attraction mechanisms, which are symmetrically arranged on the two second side walls.

9. A quick-change mechanism for a measuring head as claimed in claim 3, characterized in that: The first clamping end is provided with a first auxiliary clamping slot, and the second clamping end is provided with a corresponding second auxiliary clamping slot. The first auxiliary clamping slot cooperates with the second auxiliary clamping slot to ensure that the quick-change mechanism body and the measuring head body are installed completely.

10. A quick-change mechanism for a measuring head as claimed in claim 9, characterized in that: The first auxiliary slot is a circular slot, the second auxiliary slot is a second through hole corresponding to the circular slot, and the second through hole and the circular slot can accommodate a plunger.

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