Medical fixing jig for measuring stator strength
By designing a fixing fixture that includes base, side plate, upper plate, guide pin and positioning pin, the problem of offset of the toothed protrusion at the stator end during the measurement crushing process is solved by using the cooperation of the boss shaft and the toothed end. , improves the accuracy of measurement results.
Patent Information
- Application Number
- CN202420530361.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The toothed protrusion at the end of the stator is easily offset when measuring the crushing strength, resulting in measurement errors and affecting the accuracy of the results.
A medical fixture including a base, side plate, upper plate, guide pin and positioning pin is designed. Through the cooperation of the boss shaft and toothed end, the stator assembly does not move during testing, and uses guide pin and positioning pin. The fix limit is performed by cooperating with the
Effectively prevents the stator assembly from being offset during the measurement process, improving the accuracy and stability of the measurement results.
Smart Images
Figure CN222144707U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a medical fixing tool for measuring stator strength. Background Art
[0002] As a key part of the medical electric dental drill, the stator and the matching rotor form its power transmission system. In the transmission system, the rotor is fixed on the power spindle, and the internal blades of the stator and the external blades of the rotor are meshed with each other, and rotate under the drive of the motor power spindle. When the rotor rotates to any angle, the stator and the rotor can always point contact with each other, so that the blades of both are always in a meshing state. The special fixing fixture of the stator is an effective auxiliary tooling for measuring the crushing strength, which guarantees its quality and mechanical properties in the actual production process of the stator.
[0003] For stators and products with toothed ends, when measuring the crushing strength, the common method is to place the product directly on the working platform of the measuring equipment for measurement.
[0004] Due to the protruding teeth at the end of the stator, it is difficult to ensure that the product is fixed without displacement during the crushing process, resulting in measurement errors, which affects the accuracy of the measurement results. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the deficiencies of the prior art, the utility model provides a medical fixing fixture for measuring the strength of a stator, which solves the problem that the tooth-shaped protrusions at the end of the stator are easily offset during the crushing process.
[0007] (II) Technical solution
[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a medical fixing fixture for measuring stator strength includes a base, a groove is opened in the middle of the upper end of the base, the upper end of the base is connected to a side plate, the upper end of the side plate is connected to an upper plate, a circular hole is opened on the upper plate, and a guide pin is inserted in the circular hole of the upper plate, the upper end of the base is connected to a stator assembly, the stator assembly includes a Boss shaft, a toothed end, and internal blades, the Boss shaft is connected to the upper end of the base, and the Boss shaft is located between the groove and the side plate, the Boss shaft is provided with a toothed end, and the toothed end is located in the groove, the upper end of the base is connected to an orienting plate, and the orienting plate is located on the upper side of the groove, the orienting plate is connected to the outer end of the toothed end, two groups of positioning pins are inserted in the orienting plate, and the positioning pins extend to the rear side of the orienting plate and are inserted in the aperture of the toothed end.
[0009] Preferably, the guide pin is matched with the circular hole of the upper plate.
[0010] Preferably, the directional plate is provided with two groups of through holes adapted to the positioning pins.
[0011] Preferably, the depth of the groove is greater than the width of the lower side of the toothed end.
[0012] Preferably, the upper plate, side plates and directional plates are made of stainless steel.
[0013] Preferably, the base, groove, guide pin and positioning pin are made of hard alloy steel.
[0014] (III) Beneficial effects
[0015] The utility model provides a medical fixing fixture for measuring stator strength. It has the following beneficial effects:
[0016] The base is connected to a side plate, which is connected to an upper plate, and the upper plate is plugged with guide pins, which press the Boss shaft against the upper end of the base, and the rear end of the Boss shaft is connected to the side plate. The toothed end on the Boss shaft is located in the groove, so that the stator assembly does not move during testing. The upper end of the base is connected to an oriented plate, which is connected to the toothed end, and two sets of locating pins are plugged into the oriented plate. The locating pins are inserted into the aperture of the toothed end, so that the Boss shaft does not rotate, thereby fixing and limiting the position, so that the stator assembly does not move during collapse. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the stator assembly of the utility model;
[0019] Figure 3 This is a schematic diagram of the oriented board of the utility model;
[0020] In the figure: 1, base; 2, groove; 3, side plate; 4, upper plate; 5, guide pin; 6, positioning pin; 7, stator assembly; 71, boss shaft; 72, toothed end; 73, internal blade; 8, directional plate. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-3The utility model provides a technical solution: a medical fixing fixture for measuring stator strength comprises a base 1, a groove 2 is provided in the middle of the upper end of the base 1, a side plate 3 is connected to the upper end of the base 1, an upper plate 4 is connected to the upper end of the side plate 3, a round hole is provided on the upper plate 4, and a guide pin 5 is inserted into the round hole of the upper plate 4, a stator assembly 7 is connected to the upper end of the base 1, and the stator assembly 7 comprises a Boss shaft 71, a toothed end 72, and an internal blade 73, the Bo The ss shaft 71 is connected to the upper end of the base 1, and the Boss shaft 71 is located between the groove 2 and the side plate 3. The Boss shaft 71 is provided with a toothed end 72, and the toothed end 72 is located in the groove 2. The upper end of the base 1 is connected to a directional plate 8, and the directional plate 8 is located on the upper side of the groove 2. The directional plate 8 is connected to the outer end of the toothed end 72. Two groups of positioning pins 6 are inserted on the directional plate 8, and the positioning pins 6 extend to the rear side of the directional plate 8 and are inserted in the aperture of the toothed end 72. The base 1 is connected to a side plate 3, and the side plate 3 is connected to an upper plate 4. The upper plate 4 is designed with a circular hole, and the circular hole is used to assemble a guide pin 5 to guide the guide pin 5 to crush the boss shaft of the stator product. The guide pin 5 presses the Boss shaft 71 on the upper end of the base 1, and the rear end of the Boss shaft 71 is connected to the side plate 3. The toothed end 72 on the Boss shaft 71 is located in the groove 2, so that the stator assembly 7 will not move during testing. The upper end of the base 1 is connected to an orienting plate 8, and the orienting plate 8 is connected to the toothed end 72. Two groups of locating pins 6 are inserted on the orienting plate 8. The locating pins 6 are inserted into the aperture of the toothed end 72, so that the Boss shaft 71 will not rotate, thereby fixing and limiting the position, so that the stator assembly 7 will not move when crushed.
[0023] See also Figure 1-3 The utility model provides a technical solution: the guide pin 5 is matched with the circular hole of the upper plate 4. The circular hole of the upper plate 4 enables the guide pin 5 to be telescopic.
[0024] See also Figure 1-3 The utility model provides a technical solution: the directional plate 8 is provided with two groups of through holes adapted to the positioning pins 6. The two groups of through holes provided in the directional plate 8 enable the positioning pins 6 to be inserted.
[0025] See also Figure 1-3 The utility model provides a technical solution: the depth of the groove 2 is greater than the width of the lower side of the toothed end 72. The depth of the groove 2 is greater than the height of the lower side of the toothed end 72, and the toothed end 72 can be inserted into the groove 2, thereby ensuring that the Boss shaft 71 of the product contacts the surface of the base 1.
[0026] See also Figure 1-3The utility model provides a technical solution: the upper plate 4, the side plate 3 and the directional plate 8 are made of stainless steel. The upper plate 4, the side plate 3 and the directional plate 8 are made of stainless steel, which can reduce costs.
[0027] See also Figure 1-3 The utility model provides a technical solution: the base 1, the groove 2, the guide pin 5, and the positioning pin 6 are made of hard alloy steel. The base 1, the groove 2, the guide pin 5 and the positioning pin 6 are made of hard alloy steel, which makes them more wear-resistant and durable.
[0028] During operation, the base 1 is connected to the side plate 3, and the side plate 3 is connected to the upper plate 4. The guide pin 5 is inserted into the circular hole of the upper plate 4 so that the guide pin 5 contacts the stator boss shaft 71. The guide pin 5 presses the Boss shaft 71 on the upper end of the base 1, and the rear end of the Boss shaft 71 is connected to the side plate 3. The toothed end 72 on the Boss shaft 71 is located in the groove 2, so that the stator assembly 7 does not move during testing. The upper end of the base 1 is connected to the directional plate 8, and the directional plate 8 is connected to the toothed end 72. Two groups of locating pins 6 are inserted on the directional plate 8. The locating pins 6 are inserted into the aperture of the toothed end 72 so that the Boss shaft 71 does not rotate, thereby fixing and limiting the position so that the stator assembly 7 does not move when it is crushed. The upper plate 4, the side plate 3 and the directional plate 8 are made of stainless steel, which can reduce costs. The base 1, the groove 2, the guide pin 5 and the locating pin 6 are made of carbide steel, which makes it more wear-resistant and durable.
[0029] In summary, the medical fixture for measuring the stator strength solves the problem that the tooth-shaped protrusions at the end of the stator are easily offset during the crushing process.
[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A medical fixture for measuring stator strength, comprising a base (1), characterized in that: A groove (2) is provided in the middle of the upper end of the base (1); the upper end of the base (1) is connected to a side plate (3); the upper end of the side plate (3) is connected to an upper plate (4); a circular hole is provided on the upper plate (4); a guide pin (5) is inserted into the circular hole of the upper plate (4); the upper end of the base (1) is connected to a stator assembly (7); the stator assembly (7) comprises a Boss shaft (71), a toothed end portion (72), and internal blades (73); the Boss shaft (71) is connected to the upper end of the base (1); and the Boss shaft (71) is connected to the upper end of the base (1); The s-axis (71) is located between the groove (2) and the side plate (3); the boss axis (71) is provided with a toothed end portion (72), and the toothed end portion (72) is located in the groove (2); the upper end of the base (1) is connected to an orientation plate (8), and the orientation plate (8) is located on the upper side of the groove (2); the orientation plate (8) is connected to the outer end of the toothed end portion (72); two groups of positioning pins (6) are inserted into the orientation plate (8), and the positioning pins (6) extend to the rear side of the orientation plate (8) and are inserted into the aperture of the toothed end portion (72).
2. A medical fixture for measuring stator strength according to claim 1, characterized in that: The guide pin (5) is matched with the circular hole of the upper plate (4).
3. A medical fixture for measuring stator strength according to claim 1, characterized in that: The directional plate (8) is provided with two groups of through holes adapted to the positioning pins (6).
4. A medical fixture for measuring stator strength according to claim 1, characterized in that: The depth of the groove (2) is greater than the width of the underside of the toothed end (72).
5. The medical fixture for measuring stator strength according to claim 1, characterized in that: The upper plate (4), the side plate (3) and the directional plate (8) are made of stainless steel.
6. A medical fixture for measuring stator strength according to claim 1, characterized in that: The base (1), the groove (2), the guide pin (5) and the positioning pin (6) are made of hard alloy steel.