CN220322211U - Locking mechanism for torque limit of thread through-stop measurement - Google Patents
Locking mechanism for torque limit of thread through-stop measurement Download PDFInfo
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- CN220322211U CN220322211U CN202321851431.XU CN202321851431U CN220322211U CN 220322211 U CN220322211 U CN 220322211U CN 202321851431 U CN202321851431 U CN 202321851431U CN 220322211 U CN220322211 U CN 220322211U
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- 238000005259 measurement Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of thread detection equipment, and particularly discloses a locking mechanism for a torque limit of thread through-stop measurement. The key points of the technical scheme are as follows: the electric tool comprises an electric tool connecting part and a thread go-no-go gauge, wherein the thread go-no-go gauge comprises a rod body and a sliding sleeve, the sliding sleeve slides along the axial direction of the rod body, the electric tool connecting part comprises a shell, one end of the shell is provided with an opening which is matched with the sliding sleeve, the inside of the shell is provided with a clamping piece, the clamping piece clamps the sliding sleeve by pushing the push rod, and the clamping piece can rotate on the rod body by pulling the whole sliding sleeve into the shell by the push rod; when the moment is greater than the limit value, through sending signal control telescopic cylinder, telescopic cylinder is retracted through promoting drive holder, and holder pulling sliding sleeve is until the sliding sleeve overall movement to the casing in, simultaneously, the lug on the sliding sleeve removes to the annular along straight flute in, and electric tool connecting portion can't drive the body of rod and rotate this moment, consequently avoids causing the damage of screw thread.
Description
Technical Field
The utility model relates to the technical field of thread detection equipment, in particular to a locking mechanism for a torque limit of thread through-stop measurement.
Background
The thread go-no-go gauge is generally used for checking whether the thread sizes on the machined and formed bolts, screws and studs meet the standard requirements, and according to the general requirements of national standard (GB/T5779.1-2000) on the surface defects of the fastening pieces, namely the bolts, the screws and the studs, when the thread go-no-go gauge is used for carrying out thread go-no-go measurement on a product to be tested, the moment when the thread go-no-go gauge is screwed in is not more than 0.001d N x m, so that a detection personnel cannot use excessive force for screwing action, and the detection precision is not influenced or the thread go-no-go gauge and the tested threaded hole are damaged.
Through adopting the screw thread to lead to the no-go gage through installing on the electric tool and detecting, this kind of product also has the function of moment measurement control, when the screw thread is greater than limit numerical value at the in-process moment that leads to stopping, stop work through the motor in the control electric tool of sending signal, but when testing a large amount of measurement targets, the motor can experience the time spent of many times and start and stop can influence the life of motor and frequently start and stop can make the motor experience the alternation of high temperature and low temperature in the short time, this can influence the thermal stability of motor, probably lead to the problem of motor thermal overload, consequently, about the problem that exists of the equipment on the market at present, we propose a locking mechanical system of the moment limit that screw thread leads to stopping measurement to solve above problem.
Disclosure of Invention
In view of the problems mentioned in the background, it is an object of the present utility model to provide a locking mechanism for a torque limit of a thread stop measurement, which solves the problems mentioned in the background.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a locking mechanical system of screw thread logical end measuring moment of torsion limit, includes electric tool connecting portion and screw thread logical no-go gage, and the screw thread logical no-go gage is including the body of rod and sliding sleeve, and the sliding sleeve realizes sliding along the axial of the body of rod, and electric tool connecting portion is including the casing, and the one end of casing is equipped with the opening that suits with the sliding sleeve, and the inside of casing is equipped with the holder, and the holder promotes the centre gripping to the sliding sleeve through the push rod, and the holder passes through the whole entering casing of push rod pulling sliding sleeve, and the sliding sleeve realizes rotating on the body of rod.
Preferably, the rod body is provided with a straight groove and an annular groove, the straight groove is communicated with the annular groove, and the inner wall of the sliding sleeve is provided with a lug adapting to the straight groove. The sliding sleeve is switched between the straight groove and the annular groove under the guidance of the convex blocks.
Preferably, the chute is arranged at one end of the sliding sleeve to realize that the end part of the sliding sleeve is splayed, so that the clamping force of the clamping piece on the sliding sleeve is enhanced.
Preferably, a pair of photoelectric switches is fixedly mounted on the inner wall of the housing. When the sliding sleeve enters the shell along the opening, the sliding sleeve moves to a position between the two photoelectric switches, and at the moment, the photoelectric switches sense the sliding sleeve and send out signals to control the telescopic cylinder to work.
Preferably, a rotating shaft is fixedly arranged at the other end of the shell, and the rotating shaft rotates, so that the electric tool connecting part is driven to rotate.
Preferably, a telescopic cylinder is fixedly arranged in the shell and is connected with the clamping piece through a push rod.
In summary, the utility model has the following advantages:
1. when the moment is greater than the limit value, through sending signal control telescopic cylinder, telescopic cylinder is retracted through promoting drive holder, and holder pulling sliding sleeve is until the sliding sleeve overall movement to the casing in, simultaneously, the lug on the sliding sleeve removes to the annular along straight flute in, and electric tool connecting portion can't drive the body of rod and rotate this moment, consequently can avoid causing the damage of screw thread.
2. Through the structural design between sliding sleeve and the body of rod, realize the sliding sleeve and idle running on the body of rod, avoid adopting the frequent design of stopping that opens of motor, not influence the heat stability of motor, prevent the problem of motor thermal overload to effectively prolong the life of motor, in addition, when leading to stopping to a large amount of detection targets screw thread, still can guarantee detection efficiency.
Drawings
FIG. 1 is a first perspective view of the present utility model;
FIG. 2 is a second perspective view of the present utility model;
FIG. 3 is a schematic perspective view of a sliding sleeve according to the present utility model;
FIG. 4 is a perspective view of a rod according to the present utility model;
in the figure: 1. a power tool connection part; 2. a thread go-no-go gauge; 3. a rod body; 4. a sliding sleeve; 5. a housing; 6. an opening; 7. a clamping member; 8. a push rod; 9. a telescopic cylinder; 10. a straight groove; 11. a ring groove; 12. a bump; 13. a chute; 14. an optoelectronic switch; 15. a rotating shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a locking mechanism for a thread stop measurement torque limit.
The utility model provides a locking mechanical system of screw thread logical end measuring moment of torsion limit, including electric tool connecting portion 1 and screw thread logical no-go gage 2, screw thread logical no-go gage 2 is including body of rod 3 and sliding sleeve 4, sliding sleeve 4 realizes sliding along the axial of body of rod 3, electric tool connecting portion 1 is including casing 5, casing 5's one end is equipped with the opening 6 that suits with sliding sleeve 4, casing 5's inside is equipped with clamping piece 7, clamping piece 7 promotes through push rod 8 and carries out the centre gripping to sliding sleeve 4, when clamping piece 7 passes through push rod 8 pulling sliding sleeve 4 wholly gets into casing 5, sliding sleeve 4 realizes rotating on body of rod 3.
In order to realize the clamping effect of the clamping piece 7 on the sliding sleeve 4, the clamping piece 7 is made of elastic materials, so that the clamping piece 7 can conveniently clamp the sliding sleeve 4, and specifically, a chute 13 is formed at one end of the sliding sleeve 4 to realize that the end part of the sliding sleeve 4 is splayed, so that the clamping force of the clamping piece 7 on the sliding sleeve 4 is enhanced; the telescopic cylinder 9 is fixedly arranged in the shell 5, and the output end of the telescopic cylinder 9 is connected with the push rod 8, so that the clamping piece 7 can be pushed and connected with the sliding sleeve 4. It should be noted that, the ends of the clamping arms at two sides of the clamping piece 7 are arc-shaped, so that the clamping piece 7 and the sliding sleeve 4 are firstly abutted and sleeved on the outer side of the sliding sleeve 4, and finally the sliding sleeve 4 is clamped by the clamping piece 7.
The rod body 3 is provided with a straight groove 10 and an annular groove 11, the straight groove 10 is communicated with the annular groove 11, the inner wall of the sliding sleeve 4 is provided with a lug 12 which is adaptive to the straight groove 10, and when the lug 12 on the sliding sleeve 4 moves into the annular groove 11 along the straight groove 10, the sliding sleeve 4 can rotate on the rod body 3.
A pair of photoelectric switches 14 are fixedly arranged on the inner wall of the shell 5, a telescopic cylinder 9 is fixedly arranged in the shell 5, and the telescopic cylinder 9 is connected with the clamping piece 7 through a push rod 8. When the sliding sleeve 4 enters the shell 5 along the opening 6, and the sliding sleeve 4 moves between the two photoelectric switches 14, at the moment, the photoelectric switches 14 sense the sliding sleeve 4 and send signals to control the telescopic cylinder 9, the telescopic cylinder 9 pushes the clamping piece 7 to move through the push rod 8 and clamps the sliding sleeve 4, and when the threaded through detection needs to be carried out on products such as studs, the electric tool connecting part 1 drives the threaded through stop gauge 2 to rotate.
The other end of the shell 5 is fixedly provided with a rotating shaft 15; the rotating shaft 15 is connected with an electric tool to drive the electric tool to rotate through the electric tool, the electric tool is provided with a moment detection device, when the moment is larger than a limit value, the telescopic cylinder 9 is controlled through a signal, the telescopic cylinder 9 drives the clamping piece 7 to retract through pushing, the clamping piece 7 pulls the sliding sleeve 4 until the sliding sleeve 4 integrally moves into the shell 5, meanwhile, the protruding block 12 on the sliding sleeve 4 moves into the annular groove 11 along the straight groove 10, and at the moment, the electric tool connecting part 1 cannot drive the rod body 3 to rotate, so that damage to threads is avoided.
When the thread needs to be detected through, the sliding sleeve 4 is inserted into the shell 5 along the opening 6, the cross section of the sliding sleeve 4 is square, the shape of the opening 6 is matched with the shape of the sliding sleeve 4, when the sliding sleeve 4 moves to the position between the two photoelectric switches 14, signals between the two photoelectric switches 14 are cut off, the photoelectric switches 14 are triggered, signals are sent out to control the telescopic cylinder 9 to start, the telescopic cylinder 9 pushes the clamping piece 7 to move towards the sliding sleeve 4 through the push rod 8, and the clamping piece 7 is pushed into the chute 13 of the sliding sleeve 4 through pushing force to clamp the sliding sleeve 4; the electric tool drives the rotating shaft 15 to drive the electric tool connecting part 1 and the thread go-no-go gauge 2 to rotate, the thread go-no-go gauge 2 is used for detecting the thread of a detected product, when the moment in the thread go-no-go detection process is larger than the limit value, the telescopic cylinder 9 is controlled to be started, the telescopic cylinder 9 retracts the push rod 8 to pull the sliding sleeve 4 to move through the clamping piece 7, the lug 12 of the sliding sleeve 4 enters the annular groove 11 along the straight groove 10 on the rod body 3, at the moment, the sliding sleeve 4 integrally enters the shell 5, the sliding sleeve 4 continues to rotate under the driving of the electric tool connecting part 1, and meanwhile, the lug 12 is positioned in the annular groove 11 of the rod body 3, so that the sliding sleeve 4 cannot drive the rod body 3 to rotate, and the thread go-no-go gauge 2 stops detecting the thread of the product, so that the excessive moment is prevented from causing the thread damage, and meanwhile, the frequent start-stop design of the motor is avoided, and the service life of the motor is effectively prolonged. It should be noted that, the flow algorithm and the program related to the control process between the photoelectric switch 14, the telescopic cylinder 9 and the electric tool in the present utility model are not within the protection scope of the present utility model, and the related flow algorithm and program are available to those skilled in the art through conventional techniques, so only used for understanding the application of the controller in the present utility model by those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a locking mechanical system of moment of torsion limit that screw thread was stopped measurement, includes electric tool connecting portion (1) and screw thread and is led to no-go gage (2), its characterized in that: the utility model provides a screw thread lead to no-go gage (2) is including body of rod (3) and sliding sleeve (4), sliding sleeve (4) realize sliding along the axial of body of rod (3), electric tool connecting portion (1) are including casing (5), the one end of casing (5) is equipped with opening (6) that suits with sliding sleeve (4), the inside of casing (5) is equipped with clamping piece (7), clamping piece (7) promote through push rod (8) to carry out the centre gripping to sliding sleeve (4), sliding sleeve (4) wholly get into in casing (5) can realize rotatory on body of rod (3).
2. A thread passing measured torque limit locking mechanism as claimed in claim 1, wherein: the rod body (3) is provided with a straight groove (10) and an annular groove (11), the straight groove (10) is communicated with the annular groove (11), and the inner wall of the sliding sleeve (4) is provided with a lug (12) adapted to the straight groove (10).
3. A thread passing measured torque limit locking mechanism as claimed in claim 2, wherein: a chute (13) is formed in one end of the sliding sleeve (4) to enable the end of the sliding sleeve (4) to be splayed.
4. A thread passing measured torque limit locking mechanism as claimed in claim 1, wherein: a pair of photoelectric switches (14) are fixedly arranged on the inner wall of the shell (5).
5. A thread passing measured torque limit locking mechanism as claimed in claim 1, wherein: the other end of the shell (5) is fixedly provided with a rotating shaft (15).
6. A thread passing measured torque limit locking mechanism as claimed in claim 4 wherein: the telescopic cylinder (9) is fixedly arranged in the shell (5), and the telescopic cylinder (9) is connected with the clamping piece (7) through the push rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321851431.XU CN220322211U (en) | 2023-07-14 | 2023-07-14 | Locking mechanism for torque limit of thread through-stop measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321851431.XU CN220322211U (en) | 2023-07-14 | 2023-07-14 | Locking mechanism for torque limit of thread through-stop measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322211U true CN220322211U (en) | 2024-01-09 |
Family
ID=89424261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321851431.XU Active CN220322211U (en) | 2023-07-14 | 2023-07-14 | Locking mechanism for torque limit of thread through-stop measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322211U (en) |
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2023
- 2023-07-14 CN CN202321851431.XU patent/CN220322211U/en active Active
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