CN218628085U - Deep-in normal measuring device - Google Patents
Deep-in normal measuring device Download PDFInfo
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- CN218628085U CN218628085U CN202222866887.5U CN202222866887U CN218628085U CN 218628085 U CN218628085 U CN 218628085U CN 202222866887 U CN202222866887 U CN 202222866887U CN 218628085 U CN218628085 U CN 218628085U
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- bottom plate
- inner column
- base
- mounting hole
- hole
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Abstract
The utility model belongs to the technical field of measuring equipment. A deep normal measuring device comprises a bottom plate, a base, an inner column, a dial indicator and an upright column, wherein a supporting wheel is arranged at the lower part of the bottom plate, and a push-pull rod is arranged at the front end of the bottom plate; the base is fixedly arranged on the bottom plate, and a first mounting hole with a hole shoulder is formed in the middle of the base; the inner column is arranged in the first mounting hole in a matched sliding mode, a spring is sleeved on the inner column between the shaft shoulder and the hole shoulder, a through long second mounting hole is formed in the middle of the inner column, a strip-shaped groove is further formed in the outer wall of the inner column, and a guide column corresponding to the strip-shaped groove is arranged on the base; the dial indicator is fixedly arranged on the inner column; the lower extreme of stand is fixed to be set up on the inner prop, the top of stand is provided with the contact head. This application can be applicable to the internal diameter measurement of the inner chamber structure of multiple difference to can go deep into the cavity inside and measure, improve the practicality of product greatly, the range of application is wider.
Description
Technical Field
The utility model belongs to the technical field of measuring equipment, concretely relates to deep-going normal direction measuring device.
Background
In the product course of working, the inner chamber size is measured, generally just can measure with the internal diameter scale, nevertheless to the dark product of inner chamber, adopts the internal diameter scale just can not measure, just more can't measure to dark arc inner chamber normal direction size, to this condition, design and made deep formula arc normal direction measuring device, solved the measurement of dark inner chamber size.
The Chinese patent application No. CN200420018585.1 discloses a spring expansion type inner diameter meter with an anti-rotation function, and the design of a measuring head and an ejector rod of the spring expansion type inner diameter meter adopts a wedge principle, when the measuring head responds to the measured change to enable the ejector rod to generate displacement and rotation, the error of the angle of a taper of the ejector rod is converted into the stability of a spring expansion type inner diameter representation value, so that the angle and the surface roughness of the taper angle of the ejector rod are directly reflected to an indication meter, and the requirement on the machining precision of the taper angle of the ejector rod is high. It cannot meet the requirements for products with deep inner cavities or for dimensional measurements of arc-shaped inner cavities.
Chinese patent application No. CN201010010045.9 discloses a positioning device for measuring the diameter size of an inner hole at a specified depth, which consists of a base, a fastening screw, a positioning slide rod, a locking screw and a positioning elastic sheet; its advantage is because the positioning accuracy is high, and it is accurate to measure the diameter value data of hole depthkeeping department with the internal diameter table. But the flexibility is poor, the application range is first, and only the corresponding depth measurement can be carried out, and the practicability is not good.
In order to overcome the defects of the existing measurement, the applicant develops new measuring equipment by analysis and research so as to meet the requirements in production.
Disclosure of Invention
The utility model discloses the purpose is to the problem that above-mentioned exists with not enough, provides a deep normal direction measuring device, its structural design is reasonable, can be applicable to the internal diameter measurement of the inner chamber structure of multiple difference, has improved the practicality of product greatly to can go deep into the inside measurement of cavity, the range of application is wider.
In order to realize the purpose, the adopted technical scheme is as follows:
an in-depth normal measurement device, comprising:
the supporting wheels are arranged at the lower part of the bottom plate, and the push-pull rod is arranged at the front end of the bottom plate;
the base is fixedly arranged on the bottom plate, and a first mounting hole with a hole shoulder is formed in the middle of the base;
the outer wall of the inner column is provided with a shaft shoulder, the inner column is arranged in the first mounting hole in a matching sliding mode, the shaft shoulder and the hole shoulder are arranged in an up-and-down opposite mode, a spring is sleeved on the inner column between the shaft shoulder and the hole shoulder, the middle of the inner column is provided with a through-long second mounting hole, the outer wall of the inner column is further provided with a strip-shaped groove, and the base is provided with a guide column corresponding to the strip-shaped groove;
the dial indicator is fixedly arranged on the inner column, and the lower measuring end of the dial indicator penetrates through the second mounting hole and the bottom plate;
the stand, the lower extreme of stand is fixed to be set up on the inner prop, the top of stand is provided with the contact head, go up last measuring terminal on the contact head with the vertical collineation of lower measuring terminal of percentage table.
According to the utility model discloses a deep-in normal direction measuring device, preferably, two sets of supporting wheels are symmetrically arranged on two sides of the bottom plate; or the two sides of the rear end and the middle part of the front end of the bottom plate are provided with supporting wheels.
According to the utility model discloses deep income formula normal direction measuring device, preferably, be provided with the pilot hole on the bottom plate, the base lower part is provided with the connection pad, is provided with the assembly boss that corresponds with the pilot hole in the lower part of connection pad.
According to the utility model discloses go into formula normal direction measuring device deeply, preferably, the stand sets up the lateral part of inner prop, be provided with the U type groove that corresponds with the stand on the base.
According to the utility model discloses go into formula normal direction measuring device deeply, preferably, it is provided with and is equipped with tight screw rod to go up contact sub-unit connection, the top of stand is provided with the diaphragm, set up threaded hole on the diaphragm, it matches the setting to be in to be equipped with tight screw rod on the diaphragm still be provided with the lock nut who corresponds with the diaphragm on the tight screw rod of preparation.
According to the utility model discloses go into formula normal direction measuring device deeply, preferably, it is provided with the screw thread counter bore to go up the contact lower part, the upper end accordant connection who is equipped with tight screw rod is in the screw thread counter bore.
According to the utility model discloses deep income formula normal direction measuring device, preferably, the top of last contact is provided with the bearing.
According to the utility model discloses deep income formula normal direction measuring device, preferably, through the round pin hub connection between push-and-pull rod and the bottom plate.
By adopting the technical scheme, the beneficial effects are as follows:
this application structural design is reasonable, through the bottom plate, the setting of supporting wheel and push-and-pull rod, provide a stable bearing structure for whole instrument, can conveniently carry out holistic removal, and then go deep into the cavity inside and measure, the base of this application, the structure of the flexible action about probably going on is formed in the setting of inner prop and stand, make the lower measuring end of percentage table and the last measuring end of last contact can float, and then choose for use different stands and the tight screw rod of being equipped with when measuring, realize the measurement of different sizes, the practicality and the range of application of product are greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural diagram of a deep normal direction measuring device according to an embodiment of the present invention.
Fig. 2 is a side view of the structure of fig. 1.
Fig. 3 is a diagram illustrating a usage status of the in-depth normal direction measuring device according to an embodiment of the present invention.
Fig. 4 is a second usage state diagram of the in-depth normal direction measuring device according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a bottom plate according to an embodiment of the present invention.
Fig. 6 is a schematic front view of the base according to the embodiment of the present invention.
Fig. 7 is a schematic top view of the base according to the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of an inner column according to an embodiment of the present invention.
Fig. 9 isbase:Sub>A schematic view of the structure in the direction ofbase:Sub>A-base:Sub>A in fig. 8.
Fig. 10 is a schematic view of an alignment structure of the inner column and the base according to an embodiment of the present invention.
Fig. 11 is a schematic view of a connection structure between a column and an upper contact according to an embodiment of the present invention.
Number in the figure:
100 is a bottom plate, 101 is a supporting wheel, 102 is a connector, 103 is a pin shaft, and 104 is an assembly hole;
200 is a base, 201 is a connecting disc, 202 is an assembling boss, 203 is a U-shaped groove, 204 is a hole shoulder, 205 is a guide column, 206 is a first mounting hole, and 207 is a spring;
300 is an inner column, 301 is a shaft shoulder, 302 is a strip-shaped groove, and 303 is a second mounting hole;
400 is a dial indicator;
500 is a column, 501 is a backup screw, 502 is an upper contact, 503 is a bearing, 504 is a lock nut, and 505 is a horizontal plate.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1-11, the application discloses a deep normal direction measuring device, which comprises a bottom plate 100, a base 200, an inner column 300, a dial indicator 40 and an upright column 500, wherein a supporting wheel 101 is arranged at the lower part of the bottom plate 100, and a push-pull rod is arranged at the front end of the bottom plate; two groups of supporting wheels 101 are symmetrically arranged on two sides of the bottom plate of the embodiment; or all be provided with supporting wheel 101 in the middle part of the rear end both sides and the front end of bottom plate, as shown in the figure, what this application adopted is the structure of three supporting wheel, and the supporting wheel can adopt the bearing, through bolted connection on the bottom plate, set up corresponding bolt hole in the corresponding position of bottom plate can, equipment convenient and fast, and can ensure the structural stability of holistic operation, conveniently carry out advancing and retreating of whole instrument through the push-pull rod. Furthermore, this application bottom plate front end is connected with the connector through round pin axle 103, is provided with the screw thread section on the connector, is provided with corresponding screw hole on the push-and-pull rod, and push-and-pull rod detachable connects on the connector, and the push-and-pull rod is steel pipe or plastic rod to avoided the push-and-pull rod to cause the influence to the levelness of bottom plate under artificial effect, made the bottom plate rely on the supporting wheel to realize the balance.
The base 200 of this embodiment is fixedly disposed on the bottom plate 100, and a first mounting hole with a hole shoulder 204 is disposed in the middle of the base 200; specifically, a mounting hole 104 is provided on the base plate 100, a connection pad 201 is provided on the lower portion of the base 200, and a mounting boss 202 corresponding to the mounting hole 104 is provided on the lower portion of the connection pad 201. During assembly, the assembly bosses 202 are positioned and assembled in the assembly holes 104, and corresponding connection screw holes are arranged between the connection disc 201 and the bottom plate 100 and are fixedly connected through bolts.
The embodiment, be provided with shaft shoulder 301 on the outer wall of inner column 300, inner column 300 matches and slides the setting and is in first mounting hole 206, shaft shoulder 301 sets up with hole shoulder 204 relatively from top to bottom, and the cover is equipped with spring 207 on the inner column between shaft shoulder and hole shoulder, specifically, the external diameter of the first half of inner column 300 is greater than the external diameter of the second half, and the first half internal diameter of first mounting hole 206 is greater than the internal diameter of the second half, and after the assembly was accomplished, it was spacing down to spring 207 through hole shoulder 204, goes on spacing through shaft shoulder 301. Because the inner column 300 needs to slide up and down in the base 200 and cannot be separated from the base, the outer wall of the inner column is also provided with a strip-shaped groove 302, and the base is provided with a guide column 205 corresponding to the strip-shaped groove; the guide post 205 slides in the strip-shaped groove 302, so that the restriction and the limitation of the stroke of the up-and-down sliding are realized.
Further, a second mounting hole 303 with a full length is formed in the middle of the inner column 300, the dial indicator 400 is fixedly arranged on the inner column 300, and the lower measuring end of the dial indicator 400 penetrates through the second mounting hole and the bottom plate; the lower end of the upright 500 is fixedly arranged on the inner column 300, the top of the upright 500 is provided with an upper contact head 502, and the upper measuring end on the upper contact head 502 and the lower measuring end of the dial indicator 400 are vertically collinear.
When the installation of carrying out stand 500, this application sets up stand 500 the lateral part of interior post 300 to through bolted connection, because stand 500 need reciprocate along with the interior post, cause the interference with base 200 very easily when stand 500 lapse, consequently be provided with the U type groove 203 that corresponds with the stand on base 200, the lower extreme of the stand of being convenient for slides in U type groove 203, and can not block the removal of stand.
To the installation of last contact 502, can the direct mount at the top of stand, in order to improve its range of application, be convenient for adjust the height of last contact 502, this application is provided with in last contact 502 sub-unit connection and is equipped with tight screw 501, the top of stand is provided with diaphragm 505, set up threaded hole on the diaphragm 505, be equipped with tight screw 501 and match the setting and be in on the diaphragm 505 be equipped with the lock nut 504 that corresponds with diaphragm 505 on the tight screw 501, after being equipped with tight screw 501 and having adjusted highly, lock through lock nut 504, avoid being equipped with tight screw 501 and take place to reciprocate with diaphragm 505 relatively.
The upper contact 502 of this embodiment is also connected to the separate structure of the tightening screw, that is, a thread counterbore is provided at the lower part of the upper contact, and the upper end of the tightening screw is connected to the thread counterbore in a matching manner, so as to facilitate replacement of the upper contact or replacement of the tightening screw. The top of the upper contact head is provided with a bearing 503 for forming effective contact with the inner wall of the cavity to be measured, and can also form rolling friction with the inner wall of the cavity, so that the service life of the product is prolonged.
In the course of the work, according to the size of the internal diameter that awaits measuring, choose suitable tight screw rod of being equipped with for use, assemble deep normal direction measuring device, put into the cavity with its whole after carrying out the preliminary demarcation of measuring apparatu, at this moment, go up the contact shore at the top of cavity, the lower measuring end shore of percentage table is in the bottom of cavity, push away to waiting to detect the region through the push-and-pull rod and detect, after the inner chamber size changes, under the effect of spring, the inner prop can stretch out and draw back the action, and then observe the change of percentage table and acquire the change value of inner chamber size.
This application structural design is reasonable, through the bottom plate, the setting of supporting wheel and push-and-pull rod, provide a stable bearing structure for whole instrument, can conveniently carry out holistic removal, and then go deep into the cavity inside and measure, the base of this application, the structure of the flexible action about probably going on is formed in the setting of inner prop and stand, make the lower measuring end of percentage table and the last measuring end of last contact can float, and then choose for use different stands and the tight screw rod of being equipped with when measuring, realize the measurement of different sizes, the practicality and the range of application of product are greatly improved.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (8)
1. An in-depth normal measurement device, comprising:
the supporting wheels are arranged at the lower part of the bottom plate, and the push-pull rod is arranged at the front end of the bottom plate;
the base is fixedly arranged on the bottom plate, and a first mounting hole with a hole shoulder is formed in the middle of the base;
the outer wall of the inner column is provided with a shaft shoulder, the inner column is arranged in the first mounting hole in a matching sliding mode, the shaft shoulder and the hole shoulder are arranged in an up-and-down opposite mode, a spring is sleeved on the inner column between the shaft shoulder and the hole shoulder, the middle of the inner column is provided with a through-long second mounting hole, the outer wall of the inner column is further provided with a strip-shaped groove, and the base is provided with a guide column corresponding to the strip-shaped groove;
the dial indicator is fixedly arranged on the inner column, and the lower measuring end of the dial indicator penetrates through the second mounting hole and the bottom plate; and
the stand, the lower extreme of stand is fixed to be set up on the inner prop, the top of stand is provided with the contact head, go up last measuring end on the contact head with the vertical collineation of lower measuring end of percentage table.
2. The in-depth normal measuring device as claimed in claim 1, wherein two sets of supporting wheels are symmetrically arranged on two sides of the bottom plate; or the two sides of the rear end and the middle part of the front end of the bottom plate are provided with supporting wheels.
3. The in-depth normal direction measuring device as claimed in claim 1, wherein the bottom plate is provided with a mounting hole, the lower portion of the base is provided with a connecting disc, and a mounting boss corresponding to the mounting hole is provided at the lower portion of the connecting disc.
4. The deep normal measuring device as claimed in claim 1 or 3, wherein the upright is disposed at a side of the inner column, and the base is provided with a U-shaped groove corresponding to the upright.
5. The in-depth normal direction measuring device as claimed in claim 1, wherein a tightening screw is connected to the lower portion of the upper contact, a transverse plate is arranged on the top of the upright post, a threaded hole is formed in the transverse plate, the tightening screw is arranged on the transverse plate in a matching manner, and a locking nut corresponding to the transverse plate is further arranged on the tightening screw.
6. The in-depth normal direction measuring device as claimed in claim 5, wherein a threaded counter bore is arranged at the lower part of the upper contact head, and the upper end of the standby screw rod is connected in the threaded counter bore in a matching manner.
7. The in-depth normal measurement device of claim 5 or 6, wherein a bearing is disposed on the top of the upper contact.
8. The in-depth normal measurement device of claim 1, wherein the push-pull rod is connected to the bottom plate through a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222866887.5U CN218628085U (en) | 2022-10-30 | 2022-10-30 | Deep-in normal measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222866887.5U CN218628085U (en) | 2022-10-30 | 2022-10-30 | Deep-in normal measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218628085U true CN218628085U (en) | 2023-03-14 |
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ID=85474497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222866887.5U Active CN218628085U (en) | 2022-10-30 | 2022-10-30 | Deep-in normal measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218628085U (en) |
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2022
- 2022-10-30 CN CN202222866887.5U patent/CN218628085U/en active Active
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