Machining and fixing device for automobile air conditioner accessory expansion valve

Abstract

The utility model discloses a machining fixing device for an automobile air conditioner accessory expansion valve. The machining fixing device comprises a device body. A supporting platform is arranged above the device body; a driving mechanism is arranged in the device body, the driving mechanism comprises a driving gear and a guide gear, and the driving gear is rotationally arranged on the right side of the front of the interior of the driving guide groove; wherein a fixing mechanism is arranged on the top face of the supporting platform in a sliding mode, the fixing mechanism comprises a fixing bottom plate and a fixing rotating shaft, and the fixing bottom plate is arranged on the top face of the supporting platform in an equal-angle sliding mode. According to the machining fixing device for the automobile air conditioner accessory expansion valve, the effect of clamping the inner side and the outer side of the expansion valve is achieved through the fixing locking block with the adjustable direction, the rotating driving gear drives the guiding gear and the supporting platform to rotate, and therefore the angle of the clamped and fixed expansion valve can be adjusted according to the machining requirement; the machining efficiency is improved while stable locking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion valves, in particular to a processing and fixing device for an expansion valve of an automobile air-conditioning accessory. Background Art

[0002] The expansion valve is an important component used in refrigeration systems, which are widely used in automobiles. The expansion valve allows medium-temperature and high-pressure liquid refrigerant to become low-temperature and low-pressure wet steam through its throttling. The refrigerant then absorbs heat in the evaporator to achieve a cooling effect. As a component composed of multiple cylinders, the expansion valve needs to ensure the stability of locking during the processing;

[0003] Publication No. CN216371866U discloses a positioning fixture for processing expansion valves of automobile air conditioners. The fixture realizes the functions of stably clamping the expansion valve and adjusting the angle of the expansion valve through a frame, a three-claw cylinder, an angle adjustment component and an angle positioning component. The fixture solves the defects that the prior art only focuses on how to stably clamp the expansion valve, but cannot control the angle of the expansion valve, and requires manual angle positioning, resulting in large production errors and low efficiency.

[0004] However, the above-mentioned positioning jig for expansion valve processing still has the following problems during use: although the locking limit of the expansion valve is achieved by the three-claw cylinder, the locking limit achieved by the three-claw cylinder can only be clamped on the outer wall of the expansion valve, and cannot achieve internal clamping limit when the expansion valve needs to be processed on the outer wall. At the same time, the distance between this positioning jig and the expansion valve is too small, which can easily cause obstruction during the processing, and thus requires continuous adjustment, reducing the processing efficiency and stability of the expansion valve.

[0005] Therefore, we propose a processing and fixing device for an expansion valve of an automobile air-conditioning accessory to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a processing and fixing device for an expansion valve of an automobile air-conditioning accessory, in order to solve the problem that the locking limit realized by the existing fixing device through a three-claw cylinder can only be clamped on the outer wall of the expansion valve, but cannot realize the internal clamping limit when the expansion valve needs to be processed on the outer wall, and at the same time, the distance between the positioning fixture and the expansion valve is too small, which is easy to cause obstruction during the processing, and thus needs to be constantly adjusted, thereby reducing the processing efficiency and stability of the expansion valve.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a processing and fixing device for an expansion valve of an automobile air-conditioning accessory, comprising a device body, and a driving guide groove provided inside the device body;

[0008] A support platform is arranged above the device body, and the support platform and the device body are coaxially arranged in an up-and-down manner;

[0009] The device also includes: a driving mechanism is disposed inside the device body, and the driving mechanism includes a driving gear and a guide gear, and the driving gear is rotatably disposed on the front right side inside the driving guide groove, and the guide gear is rotatably disposed at the center position inside the driving guide groove;

[0010] The top surface of the support platform is slidably provided with a fixing mechanism, and the fixing mechanism includes a fixed bottom plate and a fixed rotating shaft, and the fixed bottom plate is slidably provided on the top surface of the support platform at an equal angle.

[0011] Preferably, the driving mechanism comprises a driving gear and a guide gear which are meshedly connected to each other, and positioning columns are fixedly arranged at equal angles on the top surface of the driving gear, and the top ends of the positioning columns arranged at equal angles are fixedly connected to the bottom surface of the supporting platform, and the meshed guide gear and the supporting platform on its top surface are driven to rotate by the rotation of the driving gear.

[0012] Preferably, the driving mechanism includes a guide frame, and a bidirectional threaded rod is rotatably arranged inside the guide frame through a bearing, and guide threaded rods are rotatably arranged on the front and rear sides of the guide frame through bearings, and the guide frame is fixedly installed at the internal center position of the guide gear, and at the same time, the inner ends of the front and rear guide threaded rods are meshed and connected to the middle part of the bidirectional threaded rod through a bevel gear group.

[0013] Preferably, the driving mechanism includes a guide slider, and the guide slider is equiangularly slidably arranged inside the guide frame, and the guide slider is threadedly connected to the left and right outer walls of the bidirectional threaded rod and the outer wall of the guide threaded rod, and the rotation of the bidirectional threaded rod and the guide threaded rod drives the guide slider of the outer wall to move synchronously inside and outside, and at the same time, the top end of the guide slider set at an equal angle slides through the outside of the top surface of the support platform.

[0014] Preferably, the fixing mechanism includes a positioning locking groove, and the positioning locking groove is opened at the inner center position of the fixed base plate, and the bottom surface of the fixed base plate is fixedly installed on the top of the guide slider, and the top surface of the fixed base plate is rotatably set at the bottom end of the fixed rotating shaft through a bearing, and at the same time, a fixed locking pin is symmetrically slidably set at the lower inner part of the fixed rotating shaft set at an equal angle.

[0015] Preferably, the fixing mechanism includes a traction bracket, and the bottom end of the traction bracket is fixedly installed on the inner side of the fixed locking pin, and the upper end of the symmetrically arranged traction bracket passes through the outside of the top surface of the fixed rotating shaft, and the symmetrically arranged fixed locking pins are connected to each other through interference springs, and at the same time, a fixed locking block for limiting the expansion valve is fixedly arranged on the outer wall of the fixed rotating shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the processing and fixing device of the expansion valve of the automobile air-conditioning accessory realizes the effect of clamping the inner and outer sides of the expansion valve through the fixed locking block with adjustable rotation direction, and the rotating driving gear drives the guide gear and the supporting platform to rotate, so that the clamped expansion valve can adjust the angle according to the processing requirements, realize stable locking and improve the processing efficiency. The specific contents are as follows:

[0017] 1. The expansion valve to be fixed is carried by the support platform, and the bidirectional threaded rod inside the rotating guide frame 9 drives the meshing guide threaded rod to rotate through the bevel gear group, and drives the threaded guide slider to slide outward, and at the same time, the guide slider drives the fixed floor and the fixed shaft fixedly connected to the top and the fixed locking block outside thereof to slide inward, and then the fixed locking blocks arranged at equal angles are in contact with the outer wall of the expansion valve, thereby improving its stability during the processing;

[0018] 2. The fixed locking pin is driven to move to the inside of the fixed shaft by sliding the traction bracket inward, thereby releasing the engagement between the fixed shaft and the positioning locking groove, and after rotating 180°, the inner and outer ends of the fixed locking block are reversed, and then the fixed locking pin is driven by the resistance spring to slide outward, and then engaged with the inside of the positioning locking groove again, ensuring that the fixed shaft and the fixed locking block will not be displaced during the subsequent expansion valve processing;

[0019] Furthermore, by manually rotating the driving gear arranged on the right side of the driving guide groove, it engages with the guide gear at the center position of the driving guide groove, so that it drives the fixedly connected support platform and the expansion valve locked by the fixed locking block to rotate through the positioning columns distributed at equal angles on the top surface, so that the angle can be adjusted without removing the expansion valve during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the installation structure of the guide gear of the utility model;

[0022] Figure 3 This is a schematic diagram of the installation structure of the fixed locking block of the utility model;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixed locking block of the utility model;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the fixed bottom plate of the utility model;

[0025] Figure 6 This is a schematic diagram of the installation structure of the fixed locking pin of the utility model.

[0026] In the figure: 1. device body; 2. driving guide groove; 3. supporting platform; 4. driving gear; 5. guide gear; 6. fixed base plate; 7. fixed rotating shaft; 8. positioning column; 9. guide frame; 10. bidirectional threaded rod; 11. guide threaded rod; 12. bevel gear set; 13. guide slide block; 14. positioning locking groove; 15. fixed locking pin; 16. traction bracket; 17. resistance spring; 18. fixed locking block. DETAILED DESCRIPTION

[0027] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0029] Embodiment 1: In order to solve the problem that the existing fixing device cannot effectively limit the expansion valve during use, this embodiment is used to illustrate a processing and fixing device for an expansion valve of an automobile air-conditioning accessory, comprising a device body 1, and a drive guide groove 2 opened inside the device body 1; a support platform 3 is arranged above the device body 1, and the support platform 3 and the device body 1 are coaxially arranged in an upper and lower state; a driving mechanism is arranged inside the device body 1, and the driving mechanism includes a driving gear 4 and a guide gear 5, and the driving gear 4 is rotatably arranged on the right side of the front of the driving guide groove 2, and the guide gear 5 is rotatably arranged at the center position of the inside of the driving guide groove 2; the driving mechanism includes a guide frame 9, and a bidirectional threaded rod 10 is rotatably arranged inside the guide frame 9 through a bearing, and guide threaded rods 11 are rotatably arranged on the front and rear sides of the guide frame 9 through bearings, and the guide frame 9 is fixedly installed at the center position of the inside of the guide gear 5, and the inner ends of the guide threaded rods 11 on the front and rear sides are meshed and connected to the middle of the bidirectional threaded rod 10 through a bevel gear set 12;

[0030] The driving mechanism includes a guide slider 13, and the guide slider 13 is equiangularly slidably arranged inside the guide frame 9, and the guide slider 13 is threadedly connected to the left and right outer walls of the bidirectional threaded rod 10 and the outer wall of the guide threaded rod 11, and the rotation of the bidirectional threaded rod 10 and the guide threaded rod 11 drives the guide slider 13 of the outer wall to move synchronously inside and outside, and at the same time, the top end of the guide slider 13 set at an equal angle slides through the outside of the top surface of the support platform 3;

[0031] like Figure 3-Figure 4 As shown, when it is necessary to fix the expansion valve, the expansion valve is first placed at the center of the top surface of the support platform 3, and then the bidirectional threaded rod 10 arranged inside the guide frame 9 above the guide gear 5 is rotated manually, so that during the rotation, the guide threaded rod 11 meshingly connected to the middle part by the bevel gear group 12 is driven to rotate synchronously, and then the guide threaded rod 11 symmetrically distributed on the front and rear sides and the bidirectional threaded rod 10 drive the guide slider 13 threadedly connected to the outer wall to slide outward, and at the same time, the guide slider 13 drives the fixed floor 6 and the fixed rotating shaft 7 fixedly connected at the top and the fixed locking block 18 outside thereof to slide inward, and then the fixed locking blocks 18 arranged at equal angles are contacted with the outer wall of the expansion valve, so as to realize the locking and fixation of expansion valves of different specifications and improve their stability during the processing.

[0032] Embodiment 2: In order to solve the problem that the existing fixing device cannot realize internal fixing for the expansion valve, this embodiment is used for explanation, wherein a fixing mechanism is slidably arranged on the top surface of the support platform 3, and the fixing mechanism includes a fixed bottom plate 6 and a fixed rotating shaft 7, and the fixed bottom plate 6 is slidably arranged on the top surface of the support platform 3 at equal angles; the fixing mechanism includes a positioning locking groove 14, and the positioning locking groove 14 is opened at the inner center position of the fixed bottom plate 6, and the bottom surface of the fixed bottom plate 6 is fixedly installed on the top end of the guide slider 13, and the top surface of the fixed bottom plate 6 is rotatably arranged on the bottom end of the fixed rotating shaft 7 through a bearing, and at the same time, a fixed locking pin 15 is symmetrically slidably arranged on the inner lower part of the fixed rotating shaft 7 arranged at equal angles;

[0033] The driving mechanism includes a driving gear 4 and a guide gear 5 which are meshed and connected with each other, and a positioning column 8 is fixedly arranged at an equal angle on the top surface of the driving gear 4, and the top of the positioning column 8 arranged at an equal angle is fixedly connected to the bottom surface of the supporting platform 3, and the meshed guide gear 5 and the supporting platform 3 on the top surface thereof are driven to rotate by the rotation of the driving gear 4;

[0034] The fixing mechanism includes a traction bracket 16, and the bottom end of the traction bracket 16 is fixedly installed on the inner side of the fixed locking pin 15, and the upper end of the symmetrically arranged traction bracket 16 is penetrated and arranged outside the top surface of the fixed rotating shaft 7, and the symmetrically arranged fixed locking pins 15 are connected to each other through the resistance spring 17, and the outer wall of the fixed rotating shaft 7 is fixedly provided with a fixed locking block 18 for limiting the expansion valve;

[0035] like Figure 5-Figure 6 As shown, when the outside of the expansion valve needs to be processed, the traction bracket 16 arranged inside the fixed shaft 7 is manually slid inward synchronously, so that the traction bracket 16 drives the fixed locking pin 15 fixedly connected at the bottom end to squeeze the resistance spring 17 and then move to the inside of the fixed shaft 7. After the outer end of the fixed locking pin 15 shrinks to the inner wall of the fixed shaft 7, the fixed locking block 18 is driven by rotating the fixed shaft 7 to reverse the inner and outer ends of the fixed locking block 18, and the traction bracket 16 is released again, so that the fixed locking pin 15 is driven to slide outward under the extension of the resistance spring 17, and then it is engaged with the inside of the positioning locking groove 14 again, ensuring that the fixed shaft 7 and the fixed locking block 18 will not be displaced during the subsequent expansion valve processing;

[0036] Further Figure 2-Figure 3 As shown, when the expansion valve needs to adjust its angle during processing, the driving gear 4 arranged on the right side of the driving guide groove 2 is manually rotated to engage with the guide gear 5 at the center position of the driving guide groove 2, so that the positioning columns 8 distributed at equal angles on the top surface drive the fixedly connected support platform 3 and the expansion valve locked by the fixed locking block 18 to rotate, so that the angle can be adjusted without removing the expansion valve during processing.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A processing and fixing device for an expansion valve of an automobile air-conditioning accessory, comprising a device body (1), and a driving guide groove (2) provided inside the device body (1); A support platform (3) is arranged above the device body (1), and the support platform (3) and the device body (1) are arranged in a coaxial state up and down; It is characterized in that Also includes: A driving mechanism is arranged inside the device body (1), and the driving mechanism includes a driving gear (4) and a guide gear (5), and the driving gear (4) is rotatably arranged on the front right side inside the driving guide groove (2), and the guide gear (5) is rotatably arranged at the center position inside the driving guide groove (2); The top surface of the support platform (3) is slidably provided with a fixing mechanism, and the fixing mechanism comprises a fixed bottom plate (6) and a fixed rotating shaft (7), and the fixed bottom plate (6) is equiangularly slidably provided on the top surface of the support platform (3).

2. The processing and fixing device for an expansion valve of an automobile air-conditioning accessory according to claim 1 is characterized in that: The driving mechanism comprises a driving gear (4) and a guide gear (5) which are meshed with each other, and a positioning column (8) is fixedly arranged at an equal angle on the top surface of the driving gear (4), and the top end of the positioning column (8) is fixedly connected to the bottom surface of the supporting platform (3), and the rotation of the driving gear (4) drives the meshed guide gear (5) and the supporting platform (3) on the top surface to rotate.

3. The processing and fixing device for the expansion valve of an automobile air-conditioning accessory according to claim 2 is characterized in that: The driving mechanism comprises a guide frame (9), wherein a bidirectional threaded rod (10) is rotatably arranged inside the guide frame (9) via a bearing, and guide threaded rods (11) are rotatably arranged on both the front and rear sides of the guide frame (9) via bearings, and the guide frame (9) is fixedly mounted at the inner center position of the guide gear (5), and the inner ends of the guide threaded rods (11) on the front and rear sides are meshedly connected to the middle of the bidirectional threaded rod (10) via a bevel gear set (12).

4. The processing and fixing device for an expansion valve of an automobile air-conditioning accessory according to claim 3 is characterized in that: The driving mechanism comprises a guide slider (13), and the guide slider (13) is equiangularly slidably arranged inside the guide frame (9), and the guide slider (13) is threadedly connected to the left and right outer walls of the bidirectional threaded rod (10) and the outer wall of the guide threaded rod (11), and the rotation of the bidirectional threaded rod (10) and the guide threaded rod (11) drives the guide slider (13) on the outer wall to move synchronously inside and outside, and at the same time, the top end of the guide slider (13) arranged at an equiangular position slides and penetrates the outside of the top surface of the support platform (3).

5. The processing and fixing device for an expansion valve of an automobile air-conditioning accessory according to claim 1 is characterized in that: The fixing mechanism comprises a positioning locking groove (14), and the positioning locking groove (14) is opened at the inner center position of the fixed base plate (6), and the bottom surface of the fixed base plate (6) is fixedly installed on the top of the guide slider (13), and the top surface of the fixed base plate (6) is rotatably arranged on the bottom end of the fixed rotating shaft (7) through a bearing, and a fixed locking pin (15) is symmetrically slidably arranged at the inner bottom of the fixed rotating shaft (7) arranged at an equal angle.

6. The processing and fixing device for the expansion valve of an automobile air-conditioning accessory according to claim 5 is characterized in that: The fixing mechanism comprises a traction bracket (16), wherein the bottom end of the traction bracket (16) is fixedly mounted on the inner side of the fixed locking pin (15), and the upper end of the symmetrically arranged traction bracket (16) is penetrated and arranged outside the top surface of the fixed rotating shaft (7), and the symmetrically arranged fixed locking pins (15) are connected to each other through a resisting spring (17), and a fixed locking block (18) for limiting the expansion valve is fixedly arranged on the outer wall of the fixed rotating shaft (7).

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