Novel stator fixing structure

Abstract

The utility model relates to an electric operating device of a valve, which is applied to the technical fields of life science, medical instruments, water quality treatment and the like, in particular to a novel stator fixing structure which comprises a fixing seat, three grooves are formed in one side of the fixing seat, and through grooves are formed in the inner walls of the three grooves; the clamping assembly is arranged in the fixed seat and the groove and is used for being matched with a rotor on the rotary valve to realize material conveying and flow control; the three clamping assemblies are arranged in the corresponding through grooves and used for clamping and fixing the clamping assemblies, and according to the novel stator fixing structure, the contact area between the stator and the stator fixing base is increased, the large rotating torque can be increased, and the stability of the stator is improved. Compared with an original pin with a larger size and a simpler processing technology, the cost can be reduced, and by adopting the design, the stator can be conveniently fixed, the stability of the stator is improved, and the service life of the sealing surface of the rotary-cut valve is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric operating device of valve, apply to life science, medical equipment, water quality treatment etc. BACKGROUND

[0002] The multi-channel rotary valve includes the relatively fixed stator and the rotor driven by the electric or manual device, the rotor and the stator are closely matched in the long time work process of the rotary valve, there is greater rotation torque on the sealing surface, the pin fixing hole of the pin on the stator is easy to become larger after the long time bearing of the torque, thereby causing the change of the fixed position of the stator, in the traditional stator fixing mode, the scheme of increasing the fixed seat in the outer periphery is adopted, although the time length of the deformation of the pin on the stator can be greatly prolonged, but after long time use, the strip boss in the inner ring of the fixed seat will occur structural failure under the action of alternating load, finally the stator fixed seat no longer provides the rotation torque support for the stator, finally the pin fixing hole increases, the traditional fixing mode does not fundamentally solve the problems of the larger pin fixing hole and the misalignment of the stator and rotor, in addition, after long time use, the relative looseness between the stator and the stator fixed seat will appear, causing the repeated collision and friction problems between the stator and the rotor, therefore, we propose a new stator fixing structure. SUMMARY

[0003] One of the technical problems to be solved by the present application is to increase the contact area between the stator and the stator fixed seat, which can increase the larger rotation torque, and the relatively larger size of the original pin and the relatively simple processing technology can also reduce the cost, and the design is convenient for fixing the stator, improves the stability of the stator, and prolongs the service life of the rotary cutting valve sealing surface.

[0004] To solve the above technical problems, the present application provides a new stator fixing structure, which comprises a fixed seat, three recesses are formed on one side of the fixed seat, and a through groove is formed on the inner wall of each of the three recesses.

[0005] Further comprising:

[0006] The clamping assembly is arranged in the fixed seat and the recess, and is used for cooperating with the rotor on the rotary valve to realize the conveying and flow control of the material.

[0007] The three sets of clamping assemblies are arranged in the corresponding through grooves, and are used for clamping and fixing the clamping assembly.

[0008] Through the above technical scheme, the clamping assembly can be fixed in the fixed seat through the clamping assembly, so as to improve the stability of the stator body in the use process.

[0009] In some embodiments, the clamping assembly comprises a stator body arranged on the inner wall of the fixing seat, used for matching the rotor on the rotary valve, and the outer wall of the stator body is provided with a boss used for clamping matching with the groove.

[0010] Through the above technical scheme, the boss can increase the contact area, so as to improve the rotary torque.

[0011] In some embodiments, the clamping assembly comprises a stator body arranged on the inner wall of the fixing seat, used for matching the rotor on the rotary valve, and the outer wall of the stator body is provided with a boss used for clamping matching with the groove.

[0012] Through the above technical scheme, the boss can increase the contact area, so as to improve the rotary torque.

[0013] In some embodiments, the fixing seat is provided with four pins on the side away from the groove, used for matching the valve head above the rotary valve, so as to realize the installation and positioning of the stator body and the fixing seat.

[0014] Through the above technical scheme, the fixing seat and the stator body are fixed.

[0015] In some embodiments, the inner wall of the fixing seat is provided with a strong magnetic ring at the eaves, and the strong magnetic ring and the stator body are magnetically attracted to each other, used for fixing the stator body.

[0016] Through the above technical scheme, the principle of magnetic attraction can be used to better fix the stator body

[0017] In some embodiments, the arc column is provided with an anti-skid layer at the clamping end.

[0018] Through the above technical scheme, the anti-skid layer can prevent slipping, so as to better fix the stator body.

[0019] In some embodiments, the spring is squeezed in the through groove, used for resetting the arc column.

[0020] Through the above technical scheme, the elasticity of the spring can promote the clamping and fixing of the boss by the two arc columns.

[0021] The utility model at least has the following beneficial effects:

[0022] The newly-added boss is matched with the groove of the stator fixing base, the larger contact area between the two can bear larger rotating torque, the design of the boss can firmly fix the stator, ensure the accuracy of the position of the stator and the stability of the flow resistance, and relatively the larger size and simpler processing technology of the original pin can reduce the cost, the boss clamped in the groove is clamped through the mutual cooperation between the spring and the arc column, the stability of the stator can be improved under the action of the strong magnetic ring, and the service life of the rotary cutting valve sealing surface is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the embodiment 1 of the utility model;

[0024] Figure 2 It is a direction structure schematic view of the utility model;

[0025] Figure 3 It is an explosion view of the utility model;

[0026] Figure 4 It is a fixing base cross section structure schematic view of the utility model;

[0027] Figure 5 It is a partial structure schematic view of the embodiment 2 of the utility model;

[0028] Figure 6 It is Figure 5 The enlarged view of A in the middle;

[0029] Figure 7 It is Figure 4 The enlarged view of B in the middle.

[0030] In the drawing: 1, fixing base; 2, stator body; 3, boss; 4, arc column; 5, groove; 6, clamping assembly; 7, through slot; 8, spring; 9, strong magnetic ring; 10, anti-skid layer; 11, pin; 12, clamping assembly. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] Embodiment 1: please refer to Figure 1 、 2 , 3, 4, 7, the utility model provides a technical scheme: a novel stator fixing structure, including fixing base 1, fixing base 1 one side is equipped with three grooves 5, and the inner wall of three grooves 5 is all equipped with through slot 7;

[0033] Also includes:

[0034] The clamping assembly 12 is arranged in the fixed seat 1 and the groove 5, used to cooperate with the rotor on the rotary valve, to realize the conveying and flow control of the material;

[0035] Three sets of clamping assemblies 6 are arranged in the corresponding through slot 7, used to clamp and fix the clamping assembly 12, through the clamping assembly 6, the clamping assembly can be fixed in the fixed seat 1, so as to improve the stability of the stator body 2 in the use process.

[0036] In some embodiments, the clamping assembly 12 includes a stator body 2 arranged on the inner wall of the fixed seat 1, used to cooperate with the rotor on the rotary valve, and the outer wall of the stator body 2 is provided with a boss 3 for clamping cooperation with the groove 5, through the boss 3, the contact area can be increased, and the rotary torque can be improved.

[0037] In some embodiments, the clamping assembly 6 includes a circular arc column 4 arranged at the eaves of the inner wall of the through slot 7, and a spring 8 is arranged between the two circular arc columns 4, used to drive the two end circular arc columns 4 to clamp the boss 3, and the spring 8 and the circular arc column 4 can better clamp and fix the boss 3, and improve the stability of the stator body 2.

[0038] In some embodiments, four pins 11 are arranged on the side of the fixed seat 1 away from the groove 5, used to cooperate with the valve head above the rotary valve, so as to realize the installation and positioning of the stator body 2 and the fixed seat 1, and fix the fixed seat 1 and the stator body 2.

[0039] In some embodiments, a strong magnetic ring 9 is arranged at the eaves of the inner wall of the fixed seat 1, and is magnetically attracted between the stator body 2, used to fix the stator body 2, and the principle of magnetic attraction can better fix the stator body 2

[0040] In some embodiments, the anti-skid layer 10 is arranged on the clamping end of the circular arc column 4, which can play the role of anti-skid, and can better fix the stator body 1.

[0041] In some embodiments, the spring 8 is extruded in the through slot 7, used to reset the circular arc column 4, and the elasticity of the spring 8 can promote the clamping and fixing of the two end circular arc columns 4 to the boss 3.

[0042] Working principle: the utility model discloses in use, first three bosses 3 are aligned with corresponding recesses, and with recess 5 between the clamping cooperation, through increasing the contact area, can bear the big rotation torque, and boss 3 will extrude arc column 4 in the process of clamping, under the action of spring 8, the arc column 4 of both ends will be clamped fixed to boss 3, because setting strong magnetic ring 9 at the eaves of fixed seat 1 inner wall, will be adsorbed fixed to stator body 2, thereby can greatly improve the stability of stator body 2.

[0043] Embodiment 2: please refer to Figures 5-6 The utility model provides a technical scheme: different from embodiment 1 is that arc column 4 is located at clamping end and is provided with antiskid layer 10, by setting antiskid layer 10 at the clamping end of original arc column 4, can improve friction, and it is convenient to better clamped fixed to boss 3.

[0044] It should be noted that in this document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] Although the embodiments of the utility model have been shown and described, it should be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A new stator fixing structure comprising a fixing base (1), characterized in that: The fixed seat (1) is provided with three recesses (5) on one side, and the inner walls of the three recesses (5) are provided with through grooves (7); It also includes: The clamping assembly (12) is arranged in the fixed seat (1) and the recess (5), and is used for cooperating with the rotor on the rotary valve to realize the conveying of the material and the control of the flow. Three sets of clamping assemblies (6) are arranged in the corresponding through grooves (7), and are used for clamping and fixing the clamping assembly (12).

2. The novel stator fixing structure according to claim 1, characterized by: The clamping assembly (12) includes a stator body (2) arranged on the inner wall of the fixed seat (1), which is used for cooperating with the rotor on the rotary valve, and the outer wall of the stator body (2) is provided with a boss (3) for clamping cooperation with the recess (5).

3. The novel stator fixing structure according to claim 1, characterized by: The clamping assembly (6) includes a circular arc column (4) arranged at the eaves of the inner wall of the through groove (7), and a spring (8) is arranged between the two circular arc columns (4), which is used for driving the two end circular arc columns (4) to clamp the boss (3).

4. The novel stator fixing structure according to claim 1, characterized by: The fixed seat (1) is provided with four pins (11) on the side away from the recess (5) for cooperating with the valve head above the rotary valve, so as to realize the installation and positioning of the stator body (2) and the fixed seat (1).

5. The novel stator fixation structure according to claim 1, characterized by: The inner wall of the fixed seat (1) is provided with a strong magnetic ring (9) at the eaves, and the stator body (2) is magnetically attracted between them, which is used for fixing the stator body (2).

6. The novel stator fixation structure according to claim 3, characterized by: The circular arc column (4) is provided with an anti-skid layer (10) at the clamping end.

7. The novel stator fixation structure according to claim 3, characterized by: The spring (8) is extruded in the through groove (7), which is used for resetting the circular arc column (4).

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