CN212806885U

CN212806885U - A pitch measuring device for ball nut

Info

Publication number: CN212806885U
Application number: CN202022222390.0U
Authority: CN
Inventors: 王开祥; 郁其江
Original assignee: Nanjing Jinzhao Precision Machinery Manufacturing Co ltd
Current assignee: Nanjing Jinzhao Precision Machinery Manufacturing Co ltd
Priority date: 2020-10-07
Filing date: 2020-10-07
Publication date: 2021-03-26
Anticipated expiration: 2030-10-07

Abstract

The utility model discloses a pitch measuring device for ball nut, which comprises a measuring mechanism and a connecting handle, a plurality of screwed pipes are arranged on the upper end of a measuring head, one measuring mechanism can simultaneously measure a plurality of screw pitches, the cost is saved, when measuring the screw pitch, the ball nut to be measured can be compared with the size of the nut on the upper end of a first scale mark, the screwed pipe can be selected more conveniently and more quickly without being compared with experiments, the time is saved, when the nut is smaller, a movable ruler can be drawn out for measurement, the use is convenient, when measuring the nut, a movable opening can be rotated to the corresponding position of a second movable groove, the fixed block can be clamped into the movable opening, the measuring scale is more stable when measuring, the looseness is not easy, the measurement is convenient, when replacing the screwed pipe, the movable slider can be pushed backwards to drive the fixed block to be separated from the movable opening, the transmission measuring scale can be used, after replacing, a spring drives the fixed block, the fixed block is clamped into the movable opening again.

Description

A pitch measuring device for ball nut

Technical Field

The utility model relates to a pitch measuring device technical field specifically is a pitch measuring device for ball nut.

Background

The thread pitch is measured along the direction of a spiral line, the distance between two adjacent threads generally refers to the axial distance between two points corresponding to two adjacent teeth on a medium diameter line on the threads in the thread pitch, the current tool for measuring the thread pitch on the market is a thread gauge which is used for measuring and judging whether the size of the threads is correct, and the general specification of the checked threads is usually known when the thread gauge is selected, so that the specification of the corresponding thread gauge is selected for checking.

The thread gauge on the market at present is that both ends respectively have a screwed pipe form screw thread chi, select according to the ball nut of equidimension not during the use, and measuring scope is less, and it is inconvenient to operate

In view of the above, a pitch measuring device for a ball nut is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch measuring device for ball nut sets up the different spiral pipes of rotatable regulation and measures, and a device measurable quantity a plurality of ball nut's pitch to the problem in the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pitch measuring device for ball nut, includes measuring mechanism and connection handle, and the connection handle is installed to measuring mechanism one side, measuring mechanism includes first measuring head and second measuring head, and the second measuring head is installed to first measuring head one side, and first measuring head connects the second measuring head through connecting the handle, it includes handle and auxiliary device to connect the handle, and auxiliary device is installed to handle one side, and first scale mark has been seted up to the handle upper surface, and first measuring head and second measuring head are installed at the handle both ends.

Preferably, auxiliary device includes mounting groove, fixed axle, movable ruler and second scale mark, and the mounting groove has been seted up to handle one side, and the fixed axle is installed to mounting groove one end, fixed axle and mounting groove fixed connection, and the fixed axle runs through and installs the movable ruler, and movable ruler and fixed axle swing joint, the second scale mark has been seted up to the movable ruler upper end, and second scale mark scale size is the same with first scale mark.

Preferably, the second measuring head comprises an installing head, a fixing device, a movable shaft and a measuring scale, the fixing device is installed on one side of the installing head, the movable shaft is installed on the inner side of the installing head, the movable shaft is fixedly connected with the installing head, the measuring scale is installed on the movable shaft in a penetrating mode, and the measuring scale is movably connected with the movable shaft.

Preferably, fixing device includes shell, installation cavity, first activity groove, activity slider, fixed block, spring and second activity groove, and the installation cavity has been seted up to the shell upper surface, and the first activity groove has been seted up to the installation cavity inside, and the inside movable mounting in first activity groove has movable slider, and the fixed block is installed to activity slider lower extreme, and the spring is installed to fixed block one side, and the spring other end is installed at the shell inner chamber, and the second activity groove has been seted up to shell one side, and the fixed block runs through second activity groove and dipperstick swing joint.

Preferably, the dipperstick includes cross mounting bracket, screwed pipe, installing port, activity mouth and digital sign, and the screwed pipe is all installed all around to the cross mounting bracket, and the installing port has been seted up in the middle part of the cross mounting bracket through, the installing port inside with loose axle swing joint, the activity mouth has been seted up to the screwed pipe upper end, the cross mounting bracket surface is seted up there is the digital sign, the digital sign corresponds the screwed pipe size.

Preferably, the size of the movable opening is matched with that of the fixed block.

Preferably, the threaded pipes mounted at the upper ends of the first measuring head and the second measuring head are threaded pipes with different sizes.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1, the utility model provides a pitch measuring device for ball nut, first measuring head and second measuring head are installed at the handle both ends, the loose axle is installed to installation head inboard, loose axle and installation head fixed connection, the loose axle runs through and installs the dipperstick, the screwed pipe is all installed all around to the cross mounting bracket, the inside and loose axle swing joint of installing port, the cross mounting bracket surface is seted up there is the digital sign, the digital sign corresponds the screwed pipe size, a plurality of screwed pipes of second measuring head and first measuring head upper end installation, a measuring mechanism can a plurality of ball nut's of simultaneous measurement pitch, save the cost, need not use a plurality of measuring device to measure, only need select suitable screwed pipe during the use and can measure, and easy operation is convenient, digital sign on the cross mounting bracket can make the more convenient use measuring device of user and can conveniently know measured pitch size.

2. The utility model provides a pitch measuring device for ball nut, auxiliary device is installed to handle one side, first scale mark has been seted up to the handle upper surface, the fixed axle is installed to mounting groove one end, the fixed axle runs through and installs the movable ruler, the second scale mark has been seted up to the movable ruler upper end, second scale mark scale size is the same with first scale mark, when measuring the pitch, can compare the size of nut with required measuring ball nut in first scale mark upper end, can let the user know approximate pitch size, convenient faster select the screwed pipe, need not compare in turn the experiment, time saving, also can be used to the measurement of other equipment, the nimble application, and when the nut is less, can take the movable ruler out and measure, and convenient to use.

3. The utility model provides a pitch measuring device for ball nut, installation head one side installs fixing device, the installation cavity has been seted up to the shell upper surface, the first movable groove has been seted up to the installation cavity inside, the movable slider has been installed to the movable groove inside movable, the fixed block is installed to movable slider lower extreme, the spring is installed to fixed block one side, the spring other end is installed at the shell inner chamber, the second movable groove has been seted up to shell one side, the expansion mouth size matches with the fixed block size, the screwed pipe upper end has been seted up the expansion mouth, when measuring the nut, the expansion mouth can rotate to the second movable groove corresponding position, make the fixed block card go into the expansion mouth, make the dipperstick more stable when measuring, be difficult for not hard up, convenient measurement, when changing the screwed pipe, can push away the movable slider after, drive the fixed block and deviate from the expansion mouth, the, the spring drives the fixed block to rebound, so that the fixed block is clamped into the movable opening again.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic view of a second measuring head structure of the present invention;

FIG. 4 is a schematic structural view of the fixing device of the present invention;

fig. 5 is a schematic view of the measuring scale of the present invention.

In the figure: 1. a measuring mechanism; 11. a first measuring head; 12. a second measuring head; 121. a mounting head; 122. a fixing device; 1221. a housing; 1222. a mounting cavity; 1223. a first movable slot; 1224. a movable slide block; 1225. a fixed block; 1226. a spring; 1227. a second movable slot; 123. a movable shaft; 124. measuring a scale; 1241. a cross mounting bracket; 1242. a threaded pipe; 1243. an installation port; 1244. a movable opening; 1245. a digital identification; 2. a connecting handle; 21. a handle; 211. a first scale mark; 22. an auxiliary device; 221. mounting grooves; 222. a fixed shaft; 223. a movable ruler; 224. a second tick mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a thread pitch measuring device for a ball nut includes a measuring mechanism 1 and a connecting handle 2, the connecting handle 2 is installed on one side of the measuring mechanism 1, the measuring mechanism 1 includes a first measuring head 11 and a second measuring head 12, the second measuring head 12 is installed on one side of the first measuring head 11, the first measuring head 11 is connected to the second measuring head 12 through the connecting handle 2, the connecting handle 2 includes a handle 21 and an auxiliary device 22, the auxiliary device 22 is installed on one side of the handle 21, the auxiliary device 22 includes an installation groove 221, a fixing shaft 222, a movable ruler 223 and a second scale 224, an installation groove 221 is formed on one side of the handle 21, a fixing shaft 222 is installed on one end of the installation groove 221, the fixing shaft 222 is fixedly connected to the installation groove 221, the movable ruler 223 is installed on the fixing shaft 222 in a penetrating manner, the movable ruler 223 is movably connected to, second scale mark 224 scale size is the same with first scale mark 211, first scale mark 211 has been seted up to handle 21 upper surface, when measuring the pitch, can compare the size of nut with required measuring ball nut in first scale mark 211 upper end, can let the user know approximate pitch size, convenient faster screwed pipe 1242 of choosing, need not compare in turn the experiment, save time, also can be used to the measurement of other equipment, the nimble application, and when the nut is less, can take movable ruler 223 out to measure, convenient to use, first measuring head 11 and second measuring head 12 are installed at handle 21 both ends.

Referring to fig. 3-5, the second measuring head 12 includes a mounting head 121, a fixing device 122, a movable shaft 123 and a measuring ruler 124, the fixing device 122 is mounted on one side of the mounting head 121, the fixing device 122 includes a housing 1221, a mounting cavity 1222, a first movable slot 1223, a movable slider 1224, a fixed block 1225, a spring 1226 and a second movable slot 1227, the mounting cavity 1222 is formed in the upper surface of the housing 1221, the first movable slot 1223 is formed in the mounting cavity 1222, the movable slider 1224 is movably mounted in the first movable slot 1223, the fixed block 1225 is mounted at the lower end of the movable slider 1224, the spring 1226 is mounted on one side of the fixed block 1225, the other end of the spring 1226 is mounted in the inner cavity of the housing 1221, the second movable slot 1227 is formed in one side of the housing 1221, the fixed block 1225 penetrates through the second movable slot 1227 to be movably connected to the measuring ruler 124, when the nut is measured, the movable port 1244 can rotate to the corresponding position, the measuring scale 124 is more stable during measurement, the measuring scale is not easy to loose, the measurement is convenient, when the threaded pipe 1242 is replaced, the movable slider 1224 can be pushed backwards to drive the fixed block 1225 to be separated from the movable opening 1244, the transmission measuring scale 124 can be used, after the replacement is finished, the spring 1226 drives the fixed block 1225 to rebound, the fixed block 1225 is clamped into the movable opening 1244 again, the movable shaft 123 is installed on the inner side of the mounting head 121, the movable shaft 123 is fixedly connected with the mounting head 121, the measuring scale 124 is installed in a penetrating manner by the movable shaft 123, the measuring scale 124 comprises a cross mounting frame 1241, the threaded pipe 1242, the mounting opening 1243, the movable opening 1244 and a digital mark 1245, the threaded pipe 1242 is installed around the cross mounting frame 1241, the threaded pipes 1242 with different sizes are installed at the upper ends of the first measuring head 11 and the second measuring head 12, the mounting opening 1243 is provided with the mounting opening 1243, the movable shaft 123, the adjustable opening 1244 has been seted up to screwed pipe 1242 upper end, adjustable opening 1244 size and the big or small phase-match of fixed block 1225, digital sign 1245 has been seted up to cross mounting frame 1241 surface, digital sign 1245 corresponds screwed pipe 1242 size, dipperstick 124 and loose axle 123 swing joint, a plurality of screwed pipes 1242 of second measuring

head

12 and 11 upper ends of first measuring head installation, a measuring mechanism 1 can the pitch of a plurality of ball nuts of simultaneous measurement, save the cost, need not use a plurality of measuring device to measure, only need select suitable screwed pipe 1242 to measure during the use, and easy operation is convenient, digital sign 1245 on the cross mounting frame 1241 can make the more convenient use measuring device of user and can conveniently know measured pitch size.

In summary, the following steps: the utility model provides a pitch measuring device for ball nut, a plurality of screwed pipes 1242 are installed on the upper ends of a second measuring head 12 and a first measuring head 11, a measuring mechanism 1 can simultaneously measure the pitches of a plurality of ball nuts, the cost is saved, a plurality of measuring devices are not needed for measurement, the measurement can be carried out by only selecting a proper screwed pipe 1242 when in use, the operation is simple and convenient, a digital mark 1245 on a cross mounting rack 1241 can make a user more conveniently use the measuring device and conveniently know the measured pitch size, when measuring the pitch, the ball nut to be measured can be compared with the size of the nut on the upper end of a first scale mark 211, the user can know the approximate pitch size, the screwed pipe 1242 can be selected more conveniently and quickly, the experiment comparison is not needed, the time is saved, the device can also be used for the measurement of other equipment, the flexible application is realized, and when the nut is smaller, can take movable ruler 223 out and measure, and is convenient to use, when measuring the nut, movable mouthful 1244 can rotate second activity groove 1227 corresponding position, make fixed block 1225 card go into movable mouthful 1244, make dipperstick 124 more stable when measuring, be difficult for not hard up, convenient measurement, when changing screwed pipe 1242, can push away after the slider 1224 that moves about, it deviates from movable mouthful 1244 to drive fixed block 1225, transmission dipperstick 124 can, after the change finishes, spring 1226 drives fixed block 1225 and kick-backs, make fixed block 1225 card go into movable mouthful 1244 again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pitch measuring device for ball nut, includes measuring mechanism (1) and connection handle (2), and connecting handle (2), its characterized in that are installed to measuring mechanism (1) one side: the measuring mechanism (1) comprises a first measuring head (11) and a second measuring head (12), the second measuring head (12) is installed on one side of the first measuring head (11), and the first measuring head (11) is connected with the second measuring head (12) through a connecting handle (2);

connect handle (2) and include handle (21) and auxiliary device (22), auxiliary device (22) are installed to handle (21) one side, and first scale mark (211) have been seted up to handle (21) upper surface, and first measuring head (11) and second measuring head (12) are installed at handle (21) both ends.

2. A pitch measuring device for a ball nut as defined in claim 1, wherein: auxiliary device (22) include mounting groove (221), fixed axle (222), movable ruler (223) and second scale mark (224), mounting groove (221) have been seted up to handle (21) one side, fixed axle (222) are installed to mounting groove (221) one end, fixed axle (222) and mounting groove (221) fixed connection, fixed axle (222) are run through and are installed movable ruler (223), movable ruler (223) and fixed axle (222) swing joint, second scale mark (224) have been seted up to movable ruler (223) upper end, second scale mark (224) scale size is the same with first scale mark (211).

3. A pitch measuring device for a ball nut as defined in claim 1, wherein: the second measuring head (12) comprises a mounting head (121), a fixing device (122), a movable shaft (123) and a measuring scale (124), the fixing device (122) is mounted on one side of the mounting head (121), the movable shaft (123) is mounted on the inner side of the mounting head (121), the movable shaft (123) is fixedly connected with the mounting head (121), the measuring scale (124) is mounted on the movable shaft (123) in a penetrating mode, and the measuring scale (124) is movably connected with the movable shaft (123).

4. A pitch measuring device for a ball nut as defined in claim 3, wherein: fixing device (122) include shell (1221), installation cavity (1222), first activity groove (1223), activity slider (1224), fixed block (1225), spring (1226) and second activity groove (1227), installation cavity (1222) has been seted up to shell (1221) upper surface, first activity groove (1223) have been seted up to installation cavity (1222) inside, first activity groove (1223) inside movable mounting has activity slider (1224), fixed block (1225) are installed to activity slider (1224) lower extreme, spring (1226) are installed to fixed block (1225) one side, the spring (1226) other end is installed in shell (1221) inner chamber, second activity groove (1227) have been seted up to shell (1221) one side, fixed block (1225) run through second activity groove (1227) and dipperstick (124) swing joint.

5. A pitch measuring device for a ball nut as defined in claim 3, wherein: dipperstick (124) include cross mounting bracket (1241), threaded pipe (1242), installing port (1243), activity mouth (1244) and digital sign (1245), threaded pipe (1242) are all installed all around cross mounting bracket (1241), installing port (1243) have been seted up in cross mounting bracket (1241) middle part through, installing port (1243) inside and loose axle (123) swing joint, activity mouth (1244) have been seted up to threaded pipe (1242) upper end, digital sign (1245) have been seted up to cross mounting bracket (1241) surface, digital sign (1245) correspond threaded pipe (1242) size.

6. A pitch measuring device for a ball nut as defined in claim 5, wherein: the size of the movable opening (1244) is matched with that of the fixed block (1225).

7. A pitch measuring device for a ball nut as defined in claim 1, wherein: the size of the threaded pipe (1242) arranged at the upper ends of the first measuring head (11) and the second measuring head (12) is different from that of the threaded pipe (1242).