Adjusting device of air conditioner valve body

Abstract

The utility model belongs to the field of throttle valves, and particularly relates to an adjusting device of an air conditioner valve body, which comprises a shell. A rotating shaft is rotationally connected to the center position of the bottom of the shell; a worm gear is fixedly connected to the rotating shaft; the worm gear is located in the shell. The side face of the shell is rotationally connected with a worm. The worm is meshed with the worm gear; the bottom of the rotating shaft is fixedly connected with a hexagon wrench; a top cover is arranged at the top of the shell; scales are arranged on the top cover, the opening degree of the throttle valve of the air conditioner can be adjusted through rotation of the hexagon wrench, opening degree can be adjusted through transmission of the worm gear and the worm, the worm gear and the worm have the self-locking function, the situation of reverse rotation can be reduced, precision is improved, in the rotating process of the rotating shaft, the transmission shaft and the pointer can be driven to rotate, and therefore the throttle valve of the air conditioner can be adjusted. And the pointer is matched with the scales of the top cover, so that the rotating angle can be obtained, and a worker can conveniently adjust the opening degree of the air conditioner throttle valve.

Description

Technical Field

[0001] The utility model relates to the field of throttle valves, in particular to a regulating device for an air-conditioning valve body. Background Art

[0002] Air conditioning, also known as air conditioner, is a device used to adjust indoor temperature and humidity. It is a common electrical appliance in people's daily life.

[0003] In the current existing technology, the throttle valve is one of the components of the air-conditioning refrigeration system. It is mainly used to throttle the high-pressure refrigerant to a low-pressure refrigerant and control the superheat of the refrigerant intake air. The top valve stem of the throttle valve is provided with an inner hexagonal slot. The staff can rotate the valve stem with a hexagonal wrench to adjust the opening of the air-conditioning throttle valve. In the production and debugging of air conditioners, the opening adjustment of the air-conditioning throttle valve is an important part.

[0004] However, when the staff adjusts the opening of the throttle valve, the rotation angle of the valve stem cannot be measured, and it is difficult to judge whether the opening of the throttle valve has reached the expected target by the hexagonal rotation angle, which results in the need to repeatedly observe the experimental data and make multiple adjustments, which is time-consuming and laborious. Therefore, an air-conditioning valve body adjustment device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a regulating device for an air conditioning valve body.

[0006] The utility model solves the technical problem by adopting the following technical scheme: the utility model discloses an adjusting device for an air conditioning valve body, comprising a housing; a rotating shaft is rotatably connected at the bottom center of the housing; a worm wheel is fixedly connected to the rotating shaft; the worm wheel is located inside the housing; a worm is rotatably connected to the side of the housing; the worm and the worm wheel are meshed with each other; a hexagonal wrench is fixedly connected to the bottom of the rotating shaft; a top cover is provided at the top of the housing; a scale is provided on the top cover; a transmission shaft is slidably connected to the middle of the top cover; the bottom end of the transmission shaft is fixedly connected to the rotating shaft; a pointer is provided on the transmission shaft; a fastening bolt is threadedly connected to the top end of the transmission shaft, and the opening can be adjusted by relying on the transmission of the worm wheel and the worm, and the worm wheel and the worm have a self-locking function, which can reduce the occurrence of reversal and improve the accuracy. In the process of rotating the rotating shaft, it will drive the transmission shaft and the pointer to rotate, and the rotation angle can be obtained by relying on the cooperation between the pointer and the scale of the top cover, so that the staff can adjust the opening of the air conditioning throttle valve conveniently.

[0007] Preferably, the top cover is connected to the top of the shell by threads; a fixing column is fixedly connected to the top of the transmission shaft; a through hole is opened on the pointer at a position corresponding to the fixing column; the fixing column passes through the through hole and is slidably connected thereto.

[0008] Preferably, an adjustment seat is fixedly connected to the bottom of the shell; a screw is rotatably connected to the side of the adjustment seat; screw sleeves are threadedly connected to both sides of the screw; a pair of screw sleeves are fixedly connected to the bottom with fixing plates; the fixing plates are respectively located on both sides of the shell, and when in use, the shell is placed on the throttle valve from top to bottom, and the fixing plates clamp both sides of the valve body of the throttle valve, so that the shell can be fixed, thereby facilitating the rotation and adjustment of the opening of the throttle valve, reducing the need for staff to fix the shell by hand.

[0009] Preferably, guide rods are fixed on both sides of the adjustment seat; a pair of sliders are slidably connected to the guide rods; the bottom side of the sliders is fixed to the top of the fixed plate; the pair of sliders are respectively located on both sides of the guide rods, and during the movement of the fixed plate, the sliders will slide on the guide rods, thereby guiding the sliders and the fixed plate and improving their movement stability.

[0010] Preferably, multiple rotating shafts are fixed on both sides of the fixed plate; pulleys are rotatably connected to the rotating shafts; the pulleys are symmetrically arranged on both sides of the fixed plate; the two sides of the fixed plate are inclined; the two fixed plates are designed in an eight-shaped structure, and the fixed plates are vertically inserted into the valve body of the throttle valve by means of the pulleys to reduce the friction during the insertion process, making the insertion and placement convenient.

[0011] Preferably, rolling grooves are provided at the top and bottom of the guide rod; balls are buckled and rollingly connected at the top and bottom of the sliding block; and the balls are located inside the rolling grooves.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model is provided with a housing, a top cover, a worm gear, a worm, a hexagonal wrench, a transmission shaft, a rotating shaft, a pointer and a fastening bolt. When in use, the staff inserts the hexagonal wrench into the inner hexagonal groove of the throttle valve, and then rotates the worm to drive the worm gear to rotate, thereby driving the hexagonal wrench and the transmission shaft to rotate. The rotation of the hexagonal wrench can be used to adjust the opening of the air-conditioning throttle valve. The opening can be adjusted by relying on the transmission of the worm gear and the worm gear. The worm gear and the worm gear have a self-locking function, which can reduce the occurrence of reversal and improve the accuracy. During the rotation of the rotating shaft, it will drive the transmission shaft and the pointer to rotate. The rotation angle can be obtained by relying on the cooperation between the pointer and the scale of the top cover, so that the staff can adjust the opening of the air-conditioning throttle valve conveniently.

[0014] 2. The utility model provides an adjusting seat, a screw, a screw sleeve and a fixing plate. When in use, the shell is placed on the throttle valve from top to bottom, and the fixing plate clamps both sides of the valve body of the throttle valve to fix the shell, thereby facilitating rotation and adjusting the opening of the throttle valve, reducing the need for staff to fix the shell by hand. During use, the staff can adjust the distance between the two fixing plates by rotating the screw to adapt to throttle valves of different sizes, thereby improving applicability and scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the adjustment seat of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the fixing plate of the utility model.

[0020] In the figure: 11, housing; 12, top cover; 13, scale; 14, rotating shaft; 15, worm gear; 16, worm; 17, hexagonal wrench; 18, transmission shaft; 19, pointer; 21, fastening bolt; 22, fixing column; 31, adjusting seat; 32, screw; 33, screw sleeve; 34, fixing plate; 41, guide rod; 42, slider; 5, pulley; 61, rolling groove; 62, ball bearing; 7, knob. 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] Specific examples are given below.

[0023] See also Figure 1-2As shown, an adjusting device for an air conditioning valve body comprises a housing 11; a rotating shaft 14 is rotatably connected at the bottom center of the housing 11; a worm gear 15 is fixedly connected to the rotating shaft 14; the worm gear 15 is located inside the housing 11; a worm 16 is rotatably connected to the side of the housing 11; the worm 16 and the worm gear 15 are meshed with each other; a hexagonal wrench 17 is fixedly connected to the bottom of the rotating shaft 14; a top cover 12 is provided on the top of the housing 11; a scale 13 is provided on the top cover 12; a transmission shaft 18 is slidably connected to the middle of the top cover 12; the bottom end of the transmission shaft 18 is fixedly connected to the rotating shaft 14; a pointer 19 is provided on the transmission shaft 18; a fastening bolt 21 is threadedly connected to the top end of the transmission shaft 18; when in use The staff inserts the hexagonal wrench 17 into the hexagonal groove of the throttle valve, and then rotates the worm 16 to drive the worm wheel 15 to rotate, thereby driving the hexagonal wrench 17 and the transmission shaft 18 to rotate. The rotation of the hexagonal wrench 17 can adjust the opening of the air-conditioning throttle valve. The opening can be adjusted by relying on the transmission of the worm wheel 15 and the worm 16. The worm wheel 15 and the worm 16 have a self-locking function, which can reduce the occurrence of reversal and improve accuracy. During the rotation of the shaft 14, it will drive the transmission shaft 18 and the pointer 19 to rotate. The pointer 19 cooperates with the scale 13 of the top cover 12 to obtain the rotation angle, so that the staff can adjust the opening of the air-conditioning throttle valve.

[0024] Furthermore, the top cover 12 is connected to the top of the shell 11 by threads; a fixing column 22 is fixed to the top of the transmission shaft 18; a through hole is opened on the pointer 19 at a position corresponding to the fixing column 22; the fixing column 22 passes through the through hole and is slidably connected thereto; during installation, the top cover 12 is rotated and screwed on the top of the shell 11 to fix the shell 11. During the fixing process, the top of the fixing column 22 is inserted into the middle hole of the top cover 12, and then the staff puts the pointer 19 on the fixing column 22 to connect the transmission column and the pointer 19, and finally fixes the pointer 19 by tightening the bolts 21. Relying on the above-mentioned detachable structure design, it can be easily installed, and the parts inside the shell 11 can be inspected and lubricated.

[0025] Further, such as Figure 1 and 3 -4, an adjustment seat 31 is fixedly connected to the bottom of the housing 11; a screw 32 is rotatably connected to the side of the adjustment seat 31; screw sleeves 33 are threadedly connected to both sides of the screw 32; a pair of fixing plates 34 are fixedly connected to the bottom of the screw sleeves 33; the fixing plates 34 are respectively located on both sides of the housing 11; a guide rod 41 is fixedly connected to both sides of the adjustment seat 31; a pair of sliders 42 are slidably connected to the guide rod 41; the bottom side of the slider 42 is fixedly connected to the top of the fixing plate 34; a pair of sliders 42 are respectively located on both sides of the guide rod 41;

[0026] When in use, the housing 11 is placed on the throttle valve from top to bottom, and the fixing plates 34 clamp the two sides of the valve body of the throttle valve, so that the housing 11 can be fixed, so as to facilitate the rotation and adjustment of the opening of the throttle valve, and reduce the need for the staff to fix the housing 11 by hand. During use, the staff can adjust the distance between the two fixing plates 34 by rotating the screw 32, so as to adapt to throttle valves of different sizes, improve the applicability and scope of application, and the threads at both ends of the screw 32 are in opposite directions;

[0027] During the movement of the fixed plate 34, the slider 42 will slide on the guide rod 41, so as to guide the slider 42 and the fixed plate 34, improve the stability of their movement, and facilitate the shell 11 to be stably stuck on the valve body of the throttle valve.

[0028] Further, such as Figure 3-4 As shown, multiple rotating shafts 14 are fixedly connected to both sides of the fixed plate 34; pulleys 5 are rotatably connected to the rotating shafts 14; the pulleys 5 are symmetrically arranged on both sides of the fixed plate 34; the two sides of the fixed plate 34 are inclined; the two fixed plates 34 are designed in an eight-shaped structure; when in use, the fixed plate 34 is vertically inserted into the valve body of the throttle valve, and the pulleys 5 can reduce the friction during the insertion and placement process, making the insertion and placement convenient, and the bottom of the fixed plate 34 is inclined, so that the fixed plate 34 can be easily stuck on both sides of the valve body to play a guiding role.

[0029] Further, such as Figure 3-4 As shown, the top and bottom of the guide rod 41 are both provided with a rolling groove 61; the top and bottom of the slider 42 are both buckled and rollingly connected with a ball 62; the ball 62 is located inside the rolling groove 61; when in use, the ball 62 rolls in the rolling groove 61, and the ball 62 can reduce the friction force during the sliding process of the slider 42, so that the slider 42 can be easily moved, and therefore the fixed plate 34 can be easily adjusted to move.

[0030] Further, such as Figure 3 As shown, a knob 7 is fixedly connected to the end of the screw rod 32. When in use, the knob 7 is provided so that it is convenient for the staff to rotate the screw rod 32, thereby making it convenient for the staff to use it.

[0031] Working principle: when in use, the staff inserts the hexagonal wrench 17 into the hexagonal groove of the throttle valve, and then rotates the worm 16 to drive the worm wheel 15 to rotate, thereby driving the hexagonal wrench 17 and the transmission shaft 18 to rotate. The rotation of the hexagonal wrench 17 can adjust the opening of the air conditioning throttle valve. The opening can be adjusted by relying on the transmission of the worm wheel 15 and the worm 16. The worm wheel 15 and the worm 16 have a self-locking function, which can reduce the occurrence of reversal and improve accuracy. During the rotation of the shaft 14, it will drive the transmission shaft 18 and the pointer 19 to rotate. The pointer 19 and the top cover 12 are locked. The scale 13 cooperates to obtain the rotation angle, so that the staff can adjust the opening of the air conditioning throttle valve conveniently. During installation, the top cover 12 is rotated and screwed on the top of the shell 11 to fix the shell 11. During the fixing process, the top of the fixing column 22 is inserted into the middle hole of the top cover 12, and then the staff puts the pointer 19 on the fixing column 22 to connect the transmission column and the pointer 19. Finally, the pointer 19 is fixed by the fastening bolt 21. Relying on the above-mentioned detachable structure design, it can be easily installed and put on the parts inside the shell 11 for inspection and lubrication. When in use, the housing 11 is placed on the throttle valve from top to bottom, and the fixing plate 34 clamps the two sides of the valve body of the throttle valve, so as to fix the housing 11, thereby facilitating the rotation and adjustment of the opening of the throttle valve, and reducing the need for the staff to fix the housing 11 by hand. During use, the staff can adjust the distance between the two fixing plates 34 by rotating the screw 32, so as to adapt to throttle valves of different sizes, improve applicability and scope of application, and the threads at both ends of the screw 32 are in opposite directions. During the movement of the fixing plate 34, the slider 42 will slide on the guide rod 41, so as to adjust the slider 4 2 and the fixed plate 34 are guided to improve the stability of its movement, and the housing 11 can be stably stuck on the valve body of the throttle valve. The fixed plate 34 is set to be vertically inserted into the valve body of the throttle valve, and the pulley 5 can reduce the friction during the insertion and placement process, which is convenient for insertion and placement. The bottom of the fixed plate 34 is set obliquely, so that the fixed plate 34 can be easily stuck on both sides of the valve body to play a guiding role. The ball 62 rolls in the rolling groove 61, and the ball 62 can reduce the friction during the sliding process of the slider 42, so that the slider 42 can be easily moved, so it is convenient to adjust the fixed plate 34 to move.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An adjusting device for an air conditioning valve body, characterized in that: The invention comprises a housing (11); a rotating shaft (14) is rotatably connected at the center of the bottom of the housing (11); a worm wheel (15) is fixedly connected to the rotating shaft (14); the worm wheel (15) is located inside the housing (11); a worm (16) is rotatably connected to the side of the housing (11); the worm (16) and the worm wheel (15) are meshed with each other; a hexagonal wrench (17) is fixedly connected to the bottom of the rotating shaft (14); a top cover (12) is provided at the top of the housing (11); a scale (13) is provided on the top cover (12); a transmission shaft (18) is slidably connected to the middle of the top cover (12); the bottom end of the transmission shaft (18) is fixedly connected to the rotating shaft (14); a pointer (19) is provided on the transmission shaft (18); and a fastening bolt (21) is threadedly connected to the top end of the transmission shaft (18).

2. The regulating device of an air conditioning valve body according to claim 1, characterized in that: The top cover (12) is connected to the top of the housing (11) by means of threads; a fixing column (22) is fixedly connected to the top of the transmission shaft (18); a through hole is provided on the pointer (19) at a position corresponding to the fixing column (22); and the fixing column (22) passes through the through hole and is slidably connected thereto.

3. The regulating device of an air conditioning valve body according to claim 2, characterized in that: The bottom of the housing (11) is fixedly connected to an adjustment seat (31); the side of the adjustment seat (31) is rotatably connected to a screw rod (32); both sides of the screw rod (32) are connected to screw sleeves (33) through threads; the bottoms of a pair of screw sleeves (33) are fixedly connected to fixing plates (34); the fixing plates (34) are respectively located on both sides of the housing (11).

4. The regulating device of an air conditioning valve body according to claim 3, characterized in that: Guide rods (41) are fixedly connected to both sides of the adjustment seat (31); a pair of sliders (42) are slidably connected to the guide rods (41); the bottom side of the sliders (42) is fixedly connected to the top of the fixed plate (34); the pair of sliders (42) are respectively located on both sides of the guide rod (41).

5. The regulating device of an air conditioning valve body according to claim 3, characterized in that: A plurality of rotating shafts (14) are fixedly connected to both sides of the fixed plate (34); a pulley (5) is rotatably connected to the rotating shaft (14); the pulleys (5) are symmetrically arranged on both sides of the fixed plate (34); the two sides of the fixed plate (34) are inclined; and the two fixed plates (34) are designed in an eight-shaped structure.

6. The regulating device of an air conditioning valve body according to claim 4, characterized in that: The top and bottom of the guide rod (41) are both provided with rolling grooves (61); the top and bottom of the slider (42) are both buckled and rollingly connected with balls (62); the balls (62) are located inside the rolling grooves (61).

Images