Internal and external hexagonal bidirectional automatic adjusting mechanism of gas proportional valve

Abstract

The utility model discloses an internal and external hexagonal bidirectional automatic adjusting mechanism for a gas proportional valve, which comprises a first adjusting piece, a second adjusting piece, a first connecting piece, a second connecting piece and a third adjusting piece, and the first adjusting piece is matched with the end part of a shaft core of the gas proportional valve; the second adjusting part is located on the outer side of the first adjusting part, and the inner circumference of the second adjusting part is matched with a nut on a shaft core of the gas proportional valve; and the driving mechanism is in transmission connection with the first adjusting piece and / or the second adjusting piece, and the driving mechanism and the first adjusting piece and / or the second adjusting piece rotate through at least one of the shaft core and the nut so that the shaft core and the nut can be locked in a threaded mode. The first adjusting piece or the second adjusting piece or the first adjusting piece and the second adjusting piece rotate in opposite directions together through the driving mechanism, so that the shaft core and the nut are locked, time and labor are saved, and production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of a gas proportional valve, in particular to an internal and external hexagonal bidirectional automatic regulating mechanism for a gas proportional valve. Background Art

[0002] In the prior art, the shaft core and the nut on the gas proportional valve need to be threadedly connected and locked, and currently they are locked manually, which is time-consuming and labor-intensive and has low production efficiency. Utility Model Content

[0003] In view of the above problems existing in the installation of the existing gas proportional valve, the present invention aims to provide a gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism.

[0004] The specific technical solutions are as follows:

[0005] A gas proportional valve internal and external hexagonal bidirectional automatic adjustment mechanism, comprising:

[0006] a first adjusting member, wherein the first adjusting member is matched with an end portion of a shaft core of the gas proportional valve;

[0007] a second adjusting member, the second adjusting member being located outside the first adjusting member, the inner periphery of the second adjusting member being matched with a nut on the shaft core of the gas proportional valve;

[0008] A driving mechanism is drivingly connected to the first adjusting member and / or the second adjusting member, and rotates relative to the nut through the shaft core so that the two are thread-locked.

[0009] The above-mentioned gas proportional valve internal and external hexagonal bidirectional automatic adjustment mechanism, wherein the drive mechanism includes: a first drive component and a second drive component, the first drive component is transmission-connected to the first adjustment member, and the second drive component is transmission-connected to the second adjustment member.

[0010] The above-mentioned gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism, wherein the first driving assembly comprises: a first driving member, a first gear and a second gear, the first gear is mounted on the first driving member, the second gear is mounted on the first adjusting member, the first gear is meshed with the second gear, and the first adjusting member is matched with the end of the shaft core;

[0011] The first adjusting member is a screw.

[0012] The above-mentioned gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism, wherein the second driving component comprises: a second driving member and a transmission component, the second driving member is transmission-connected to the second adjusting member through the transmission component, the second adjusting member is located on the outside of the screw, and the inside of the second adjusting member cooperates with the nut;

[0013] The second adjusting member is a sleeve.

[0014] In the above-mentioned internal and external hexagonal bidirectional automatic adjustment mechanism for the gas proportional valve, at least one bearing is provided between the screw and the sleeve and / or the transmission assembly.

[0015] In the above-mentioned internal and external hexagonal bidirectional automatic adjustment mechanism for the gas proportional valve, the cross section of the inner side of the sleeve is a regular hexagon.

[0016] The above-mentioned gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism, wherein, also includes:

[0017] A transverse drive assembly, the transverse drive assembly is drivingly connected to the gas proportional valve, and the transverse drive assembly is used to drive the gas proportional valve to move above the first adjusting member and the second adjusting member so that the shaft core is directly opposite to the screw rod;

[0018] A rotary lifting drive assembly is drivingly connected to the gas proportional valve, and is used to drive the gas proportional valve to descend and rotate so that the nut enters the sleeve.

[0019] The above-mentioned gas proportional valve internal and external hexagonal bidirectional automatic adjustment mechanism, wherein, further comprises: a platform and a control system, wherein the platform is provided with a limit groove, wherein at least one micro-motion sensor is provided in the limit groove, wherein a portion of the gas proportional valve matches the limit groove, and wherein the control system is connected with the micro-motion sensor signal;

[0020] The rotary lifting drive assembly drives the gas proportional valve to descend and rotate until the nut enters the sleeve, and a portion of the gas proportional valve enters the limit groove and contacts the micro-motion sensor.

[0021] In the above-mentioned internal and external hexagonal bidirectional automatic adjustment mechanism of the gas proportional valve, two micro-motion sensors are arranged in the limit groove.

[0022] In the above-mentioned internal and external hexagonal bidirectional automatic adjustment mechanism of the gas proportional valve, a photoelectric sensor is provided on the platform, and the photoelectric sensor is located on the side of the second adjustment member.

[0023] Compared with the prior art, the above technical solution has the following positive effects:

[0024] The utility model uses a driving mechanism to rotate the first adjusting member, or the second adjusting member, or the first adjusting member and the second adjusting member rotate in opposite directions together, so that the shaft core and the nut are locked, which saves time and labor and has high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism without a gas proportional valve installed in the utility model;

[0026] Figure 2 It is a structural schematic diagram of a gas proportional valve with internal and external hexagonal bidirectional automatic adjustment mechanism installed in the gas proportional valve of the utility model;

[0027] Figure 3 This is a cross-sectional view of the overall structure of a gas proportional valve internal and external hexagonal bidirectional automatic adjustment mechanism of the utility model;

[0028] Figure 4 The utility model is a kind of gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism Figure 3 A partial enlarged view of the

[0029] In the accompanying drawings: 1. first adjusting member; 2. second adjusting member; 3. driving mechanism; 4. gas proportional valve; 5. lateral driving assembly; 6. rotary lifting driving assembly; 7. platform; 8. limit groove; 9. micro motion sensor; 10. photoelectric sensor; 31. first driving assembly; 32. second driving assembly; 33. first driving member; 34. first gear; 35. second gear; 36. second driving member; 37. movable seat; 38. bearing; 41. shaft core; 42. nut. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0031] like Figures 1 to 4 As shown, a preferred embodiment of a gas proportional valve internal and external hexagonal bidirectional automatic adjustment mechanism is shown, including: a first adjustment member 1, a second adjustment member 2 and a driving mechanism 3, the first adjustment member 1 cooperates with the end of the shaft core 41 of the gas proportional valve 4, the second adjustment member 2 is located on the outside of the first adjustment member 1, the inner periphery of the second adjustment member 2 cooperates with the nut 42 on the shaft core 41 of the gas proportional valve 4, the driving mechanism 3 is transmission-connected to the first adjustment member 1 and / or the second adjustment member 2, and rotates through at least one of the shaft core 41 and the nut 42 to thread-lock the two.

[0032] Further, as a preferred embodiment, the driving mechanism 3 includes: a first driving component 31 and a second driving component 32 , the first driving component 31 is transmission-connected to the first adjusting member 1 , and the second driving component 32 is transmission-connected to the second adjusting member 2 .

[0033] Further, as a preferred embodiment, the first drive assembly 31 includes: a first drive member 33, a first gear 34 and a second gear 35, the first gear 34 is installed on the first drive member 33, the second gear 35 is installed on the first adjusting member 1, the first gear 34 is meshed with the second gear 35, and the first adjusting member 1 cooperates with the end of the shaft core 41.

[0034] Further, as a preferred embodiment, the first adjusting member 1 is a screw.

[0035] Further, as a preferred embodiment, the second drive assembly 32 includes: a second drive member 36 and a transmission assembly (not shown in the figure), the second drive member 36 is connected to the second adjusting member 2 through the transmission assembly, the second adjusting member 2 is located on the outside of the screw 1, and the inner side of the second adjusting member 2 cooperates with the nut.

[0036] Further, as a preferred embodiment, the second adjusting member 2 is a sleeve.

[0037] Preferably, the first driving member 33 and the second driving member 36 are motors.

[0038] Preferably, the transmission assembly includes: a ring gear, a third gear and a movable seat 37, the third gear is mounted on the second driving member 36, the ring gear is mounted on the movable seat 37, the sleeve 2 is mounted on the movable seat 37, and the third gear is meshed with the ring gear.

[0039] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0040] The utility model also has the following implementation methods based on the above:

[0041] In further embodiments of the present invention, please continue to refer to Figures 1 to 4 As shown, at least one bearing 38 is provided between the screw 1 and the sleeve 2 and / or the transmission assembly.

[0042] Preferably, at least one bearing 38 is provided between the screw 1 and the sleeve, at least one bearing 38 is provided between the movable seat 37 and the screw 1 , and at least one bearing 38 is provided between the screw 1 and the sleeve and between the movable seat 37 and the screw 1 .

[0043] In a further embodiment of the present invention, the cross section of the inner side of the sleeve 2 is a regular hexagon.

[0044] Preferably, the nut 42 is a hexagonal nut, and the inner cross-section of the sleeve 2 in the rotating state is two regular hexagons, three regular hexagons, or a plurality of regular hexagons.

[0045] The nut 42 needs to be aligned with the shape inside the sleeve 2 for the nut 42 to enter the sleeve 2 .

[0046] In a further embodiment of the utility model, the internal and external hexagonal bidirectional automatic adjustment mechanism of the gas proportional valve also includes: a transverse drive component 5, which is transmission-connected to the gas proportional valve 4, and the transverse drive component 5 is used to drive the gas proportional valve 4 to move above the first adjustment member 1 and the second adjustment member 2 so that the shaft core 41 is opposite to the screw 1.

[0047] In a further embodiment of the utility model, the internal and external hexagonal bidirectional automatic adjustment mechanism of the gas proportional valve also includes: a rotary lifting drive assembly 6, which is transmission-connected to the gas proportional valve 4, and the rotary lifting drive assembly 6 is used to drive the gas proportional valve 4 to descend and rotate so that the nut 42 enters the sleeve 2.

[0048] Preferably, the transverse drive assembly 5 is a cylinder, which may be a slide cylinder.

[0049] Preferably, the rotary lifting drive assembly 6 includes a cylinder and a motor, the cylinder drives the gas proportional valve 4 to rise and fall, and the motor drives the gas proportional valve 4 to rotate.

[0050] In a further embodiment of the utility model, the internal and external hexagonal bidirectional automatic adjustment mechanism of the gas proportional valve also includes: a platform 7 and a control system (not shown in the figure), a limit groove 8 is provided on the platform 7, at least one micro-motion sensor 9 is provided in the limit groove 8, a part of the gas proportional valve 4 matches the limit groove 8, and the control system is connected to the micro-motion sensor 9 signal.

[0051] In a further embodiment of the utility model, the rotary lifting drive assembly 6 drives the gas proportional valve 4 to descend and rotate until the nut 42 enters the sleeve 2, and part of the gas proportional valve 4 enters the limit groove 8 and contacts the micro-motion sensor 9.

[0052] In a further embodiment of the utility model, two micro-motion sensors 9 are provided in the limit groove. Preferably, in order to prevent the gas proportional valve 4 from being unable to be adjusted in a tilted state, the two micro-motion sensors 9 are used to ensure that the gas proportional valve is in a balanced state.

[0053] In a further embodiment of the utility model, a photoelectric sensor 10 is provided on the platform, and the photoelectric sensor 10 is located on the side of the second adjusting member 2. The photoelectric sensor 10 is connected to the control system signal.

[0054] Preferably, the lateral drive component 5 drives the gas proportional valve 4 to move laterally until the photoelectric sensor 10 detects a part on the gas proportional valve 4, and the lateral movement of the gas proportional valve 4 is suspended. At this time, the shaft core 41 of the gas proportional valve 4 is opposite to the screw 1; then the lifting and lowering drive component 6 is rotated to drive the gas proportional valve 4 to move downward. If the nut 42 abuts against the sleeve 42 and cannot enter the sleeve, the gas proportional valve 4 is driven to rotate until the nut 42 enters the sleeve 42. When part of the gas proportional valve 4 enters the limit groove 8 and triggers the micro-motion sensor 9, the gas proportional valve 4 stops moving downward; then the drive mechanism 3 is driven to work to lock the shaft core 41 and the nut 42.

[0055] The utility model uses the driving mechanism 3 to rotate the first adjusting member 1, or the second adjusting member 2, or the first adjusting member 1 and the second adjusting member 2 rotate in opposite directions together, so that the shaft core 41 and the nut 42 are locked, which saves time and effort and has high production efficiency.

[0056] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism, characterized in that: include: a first adjusting member, wherein the first adjusting member is matched with an end portion of a shaft core of the gas proportional valve; a second adjusting member, the second adjusting member being located outside the first adjusting member, the inner periphery of the second adjusting member being matched with a nut on the shaft core of the gas proportional valve; A driving mechanism is drivingly connected to the first adjusting member and / or the second adjusting member, and is rotated through the shaft core and at least one component of the nut to thread-lock the two.

2. According to claim 1, the gas proportional valve internal and external hexagonal two-way automatic adjustment mechanism is characterized in that: The driving mechanism comprises: a first driving assembly and a second driving assembly, wherein the first driving assembly is drivingly connected to the first adjusting member, and the second driving assembly is drivingly connected to the second adjusting member.

3. According to claim 2, the internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve is characterized in that: The first driving assembly comprises: a first driving member, a first gear and a second gear, the first gear is mounted on the first driving member, the second gear is mounted on the first adjusting member, the first gear is meshed with the second gear, and the first adjusting member is matched with the end of the shaft core; The first adjusting member is a screw.

4. According to claim 3, the internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve is characterized in that: The second driving assembly comprises: a second driving member and a transmission assembly, the second driving member is transmission-connected to the second adjusting member through the transmission assembly, the second adjusting member is located on the outer side of the screw rod, and the inner side of the second adjusting member cooperates with the nut; The second adjusting member is a sleeve.

5. According to claim 4, the internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve is characterized in that: At least one bearing is provided between the screw and the sleeve and / or the transmission assembly.

6. According to claim 4, the internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve is characterized in that: The cross section of the inner side of the sleeve is a regular hexagon.

7. The internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve according to claim 4 is characterized in that: Also includes: A transverse drive assembly, the transverse drive assembly is drivingly connected to the gas proportional valve, and the transverse drive assembly is used to drive the gas proportional valve to move above the first adjusting member and the second adjusting member so that the shaft core is directly opposite to the screw rod; A rotary lifting drive assembly is drivingly connected to the gas proportional valve, and is used to drive the gas proportional valve to descend and rotate so that the nut enters the sleeve.

8. The internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve according to claim 7, characterized in that: Also includes: A platform and a control system, wherein a limit groove is provided on the platform, at least one micro-motion sensor is provided in the limit groove, a portion of the gas proportional valve matches the limit groove, and the control system is connected with the micro-motion sensor signal; The rotary lifting drive assembly drives the gas proportional valve to descend and rotate until the nut enters the sleeve, and a portion of the gas proportional valve enters the limit groove and contacts the micro-motion sensor.

9. The internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve according to claim 8, characterized in that: Two micro-motion sensors are arranged in the limiting groove.

10. The internal and external hexagonal two-way automatic adjustment mechanism of the gas proportional valve according to claim 8, characterized in that: A photoelectric sensor is disposed on the platform and is located on a side of the second adjusting member.

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