Pedal valve body guide device

Abstract

The utility model relates to the technical field of foot valves, in particular to a foot valve body guide device which comprises a mounting seat and two pedals, two mounting plates are fixedly connected to the top of the mounting seat, two first supporting plates are fixedly connected to the tops of the two mounting plates, mounting holes are formed in the outer walls of the first supporting plates, and the two first supporting plates are fixedly connected to the top of the mounting seat. Mounting holes are formed in the two first supporting plates, a rotating shaft is arranged between every two adjacent first supporting plates, the two ends of each rotating shaft penetrate through the mounting holes respectively and are rotationally connected with the mounting holes, and connecting holes are formed in the outer walls of the two pedals. The connecting rod linearly slides along the inner wall of the second supporting plate, the telescopic rod is pushed by the connecting rod to slide along the inner wall of the connecting piece, and when the telescopic rod moves, a valve element of the pneumatic control valve is pushed to linearly move, so that the stress direction and the moving direction of the valve element can be kept consistent, abrasion of the valve element is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to foot valve technical field, concretely is a foot valve body guiding device. BACKGROUND

[0002] The foot valve is a reversing valve controlled by feet, and the functions of the valve can be divided into two-position three-way and two-position five-way. Currently, the foot valve can be applied to multiple industries, especially to the equipment for dental treatment. The foot valve can be arranged to control the spraying of air or liquid such as water, which is convenient for personnel operation.

[0003] At present, the conventional design of the foot valve body relies on the foot pedal as a lever to operate. When one side of the pedal is stepped on, the other side of the fulcrum will be lifted accordingly. In this process, the baffle at the front end of the pedal will push the valve core in the valve body to move linearly. However, this design has disadvantages. Since the force direction of the valve core is not consistent with its movement direction, the wear of the valve core will be aggravated, thereby reducing the overall service life of the foot valve body. Therefore, we propose a foot valve body guiding device. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a foot valve body guiding device. The valve core of the pneumatic control valve is pushed to move linearly by the telescopic rod, so that the force direction of the valve core is consistent with the movement direction, reducing the wear of the valve core and improving the service life.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a foot valve body guiding device, comprising a mounting seat and two pedals, the top of the mounting seat is fixedly connected with two mounting plates, the top of each of the two mounting plates is fixedly connected with two first supporting plates, the outer wall of the first supporting plate is provided with a mounting hole, a rotating shaft is arranged between adjacent two first supporting plates, the rotating shaft is rotatably connected with the mounting hole at both ends, the outer wall of each of the two pedals is provided with a connecting hole, and the end of each of the two rotating shafts is rotatably connected with the connecting hole, the top of each of the two mounting plates is fixedly connected with a second supporting plate, the inner wall of each of the two second supporting plates is slidably connected with a connecting rod, and the end of each of the two connecting rods is abutted with the corresponding pedal, two pneumatic control valves are mounted on the top of the mounting seat, and the connecting end of each of the two pneumatic control valves is connected with the corresponding connecting rod.

[0006] Further, the top of the mounting seat is fixedly connected with two supporting plates, the top of each of the two supporting plates is provided with a limiting groove, and the inner wall of each of the two limiting grooves is fixedly connected with the corresponding pneumatic control valve.

[0007] Further, two connecting pieces are further included, the inner walls of the connecting pieces are slidably connected with pressure plates, the inner walls of the pressure plates are fixedly connected with telescopic rods, the ends of the telescopic rods penetrate through the connecting pieces and extend to the outside of the connecting pieces, and the circumferential outer walls of the telescopic rods are all sleeved with springs.

[0008] Further, one end of the spring is fixedly connected with the inner wall of the connecting piece, and the other end of the spring is fixedly connected with the first pressure plate.

[0009] Further, one end of the telescopic rod is fixedly connected with the connection end of the pneumatic control valve, the other end of the telescopic rod is fixedly connected with the connecting rod, the inner wall of the connecting piece is provided with a connecting sleeve, and the end of the telescopic rod penetrates through the connecting sleeve and is slidably connected with the connecting sleeve.

[0010] Further, the inner walls of the connecting pieces are all provided with two clamping grooves, the ends of the connecting sleeves are fixedly connected with two connecting frames, the inner walls of the two connecting frames are all rotatably connected with connecting shafts, the ends of the two connecting shafts respectively penetrate through the connecting frames and extend to the outside of the connecting frames, the two ends of the two connecting shafts are both sleeved with torsional springs, the ends of the two connecting shafts are both fixedly connected with end covers, the circumferential outer walls of the two connecting shafts are both fixedly connected with pushing blocks, the outer walls of the two pushing blocks are both fixedly connected with clamping blocks, and the ends of the two clamping blocks are respectively clamped and matched with the inner walls of the clamping grooves.

[0011] Further, one end of the torsional spring is fixedly connected with the end cover, and the other end of the torsional spring is fixedly connected with the connecting frame.

[0012] Further, the inner wall of the connecting piece is provided with two positioning grooves, the two positioning grooves are connected and communicated with the clamping grooves, and the ends of the two clamping blocks are respectively slidably connected with the inner walls of the corresponding positioning grooves.

[0013] By means of the above technical scheme, the foot valve body guiding device has at least the following beneficial effects:

[0014] 1. When the pedal is stepped on, the pedal rotates around the rotating shaft as the center, the pedal on one side is lifted up correspondingly, the connecting rod is extruded, the connecting rod slides linearly along the inner wall of the second supporting plate, the connecting rod drives the telescopic rod to slide along the inner wall of the connecting piece, the connecting piece drives the pressure plate to slide, the pressure plate extrudes the spring, when the telescopic rod moves, the valve core of the pneumatic control valve is linearly moved, so that the stress direction of the valve core is consistent with the moving direction, the abrasion of the valve core is reduced, and the service life is prolonged.

[0015] 2、 the foot valve body guiding device, through the pressing of the pressing block, make the clamping block move out from the inner wall of the clamping groove, can move the connecting sleeve from the inside of the connecting piece, convenient for the operator to move the telescopic rod and the spring from the inside of the connecting piece, when installing, through the sliding of the two clamping block end towards the inner wall of the positioning groove, through the sliding of the connecting sleeve along the inner wall of the connecting piece, under the torsional force of the torsional spring, the clamping block end and the clamping groove inner wall are connected, so as to facilitate the assembly and disassembly of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application.

[0017] Figure 1 It is the overall structure schematic diagram of the present application;

[0018] Figure 2 It is the explosion diagram of the structure of the present application;

[0019] Figure 3 It is the internal structure schematic diagram of the connecting piece of the present application;

[0020] Figure 4 It is the installation structure schematic diagram of the clamping block of the present application;

[0021] Figure 5 It is the local schematic diagram of the connecting piece of the present application.

[0022] In the drawing: 1, mounting seat; 2, mounting plate; 3, first branch plate; 4, second branch plate; 5, mounting hole; 6, rotating shaft; 7, pedal; 8, connecting hole; 9, connecting rod; 10, supporting plate; 11, limiting groove; 12, air control valve; 13, connecting piece; 14, pressure plate; 15, telescopic rod; 16, spring; 17, connecting sleeve; 18, connecting frame; 19, connecting shaft; 20, torsional spring; 21, end cover; 22, pressing block; 23, clamping block; 24, positioning groove; 25, clamping groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figure 1 and Figure 2A foot valve body guiding device, including a mounting seat 1 and two pedals 7, the top of the mounting seat 1 is fixedly connected with two mounting plates 2, the top of each of the two mounting plates 2 is fixedly connected with two first supporting plates 3, the outer wall of the first supporting plate 3 is provided with a mounting hole 5, a rotating shaft 6 is arranged between adjacent two first supporting plates 3, the two ends of the rotating shaft 6 respectively penetrate through the mounting hole 5 and are rotationally connected with the mounting hole 5, the outer wall of each of the two pedals 7 is provided with a connecting hole 8, the ends of the two rotating shafts 6 respectively penetrate through the connecting hole 8 and are fixedly connected with the connecting hole 8, and the combination of the mounting plate 2, the first supporting plate 3, the rotating shaft 6 and the pedal 7 realizes the stable installation and smooth rotation of the pedal 7. This design enables the user to feel good stability and reliability when stepping; the top of each of the two mounting plates 2 is fixedly connected with a second supporting plate 4, the inner wall of each of the two second supporting plates 4 is slidably connected with a connecting rod 9, the ends of the two connecting rods 9 respectively abut against the corresponding pedal 7, the top of the mounting seat 1 is mounted with two air control valves 12, and the connecting end of each of the two air control valves 12 is connected with the corresponding connecting rod 9.

[0025] Please refer to Figure 1 and Figure 2 , the top of the mounting seat 1 is fixedly connected with two supporting plates 10, the top of each of the two supporting plates 10 is provided with a limiting groove 11, and the inner wall of each of the two limiting grooves 11 is fixedly connected with the corresponding air control valve 12.

[0026] Please refer to Figure 3 , Figure 4 and Figure 5 , further comprising two connecting pieces 13, the inner wall of each of the connecting pieces 13 is slidably connected with a pressure plate 14, the inner wall of the pressure plate 14 is fixedly connected with a telescopic rod 15, the end of the telescopic rod 15 penetrates through the connecting piece 13 and extends to the outer side of the connecting piece 13, the circumferential outer wall of the telescopic rod 15 is sleeved with a spring 16, one end of the spring 16 is fixedly connected with the inner wall of the connecting piece 13, the other end of the spring 16 is fixedly connected with the first pressure plate 14, and the cooperation of the telescopic rod 15 and the spring 16 can also buffer the impact force when stepping to a certain extent and improve the comfort of the user.

[0027] Please refer to Figure 3 , one end of the telescopic rod 15 is fixedly connected with the connecting end of the air control valve 12, the other end of the telescopic rod 15 is fixedly connected with the connecting rod 9, a connecting sleeve 17 is mounted on the inner wall of the connecting piece 13, and the end of the telescopic rod 15 penetrates through the connecting sleeve 17 and is slidably connected with the connecting sleeve 17.

[0028] Please refer to Figure 3 , Figure 4 and Figure 5Two clamping grooves 25 are formed in the inner wall of the connecting piece 13, two connecting frames 18 are fixedly connected to the end of the connecting sleeve 17, two connecting shafts 19 are rotatably connected to the inner wall of the two connecting frames 18, the two ends of the two connecting shafts 19 respectively penetrate through the connecting frames 18 and extend to the outer side of the connecting frames 18, torsional springs 20 are sleeved on the two ends of the two connecting shafts 19, end covers 21 are fixedly connected to the two ends of the two connecting shafts 19, pushing blocks 22 are fixedly connected to the circumferential outer wall of the two connecting shafts 19, clamping blocks 23 are fixedly connected to the outer wall of the two pushing blocks 22, the ends of the two clamping blocks 23 are respectively clamped and matched with the inner wall of the clamping grooves 25, one end of the torsional spring 20 is fixedly connected with the end cover 21, and the other end of the torsional spring 20 is fixedly connected with the connecting frame 18. Through the combination of the connecting frame 18, the connecting shaft 19, the torsional spring 20, the end cover 21, the pushing block 22 and the clamping block 23, the convenient disassembly and fixing between the connecting piece 13 and the telescopic rod 15 are realized. This design enables the user to easily operate when needing to repair or replace parts.

[0029] Please refer to Figure 3 and Figure 5 Two positioning grooves 24 are formed in the inner wall of the connecting piece 13, the two positioning grooves 24 are connected and communicated with the clamping grooves 25, the ends of the two clamping blocks 23 are respectively slidably connected with the inner wall of the corresponding positioning grooves 24, and the cooperation of the clamping block 23, the clamping groove 25 and the positioning groove 24 ensures the stability and accuracy of the connecting piece 13 during disassembly and installation.

[0030] Working principle: when the pedal 7 is stepped on, the pedal 7 rotates around the rotating shaft 6 as the center, one side of the pedal 7 is correspondingly lifted up, the connecting rod 9 is extruded, the connecting rod 9 slides linearly along the inner wall of the second supporting plate 4, the telescopic rod 15 is pushed to slide along the inner wall of the connecting piece 13 through the connecting rod 9, the connecting piece 13 drives the pressing disc 14 to slide, the spring 16 is extruded through the pressing disc 14, when the telescopic rod 15 moves, the valve core of the air control valve 12 is pushed to move linearly, so that the stress direction of the valve core is consistent with the moving direction, the wear of the valve core is reduced, and the service life is improved.

[0031] By simultaneously pressing the pushing blocks 22, the clamping blocks 23 are moved out of the inner wall of the clamping grooves 25, the connecting sleeve 17 can be moved out of the inside of the connecting piece 13, the telescopic rod 15 and the spring 16 can be moved out of the inside of the connecting piece 13 by the operating personnel, when installing, the ends of the two clamping blocks 23 are slid against the inner wall of the positioning grooves 24, the connecting sleeve 17 is pushed to slide along the inner wall of the connecting piece 13, under the torsional force of the torsional spring 20, the ends of the clamping blocks 23 are clamped with the inner wall of the clamping grooves 25, so as to facilitate the assembly and disassembly of the structure.

[0032] It is to be understood that the terms "including", "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.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A foot valve body guiding device comprising a mounting base (1) and two foot pedals (7), characterized in that: The mounting seat (1) top is fixedly connected with two mounting plates (2), two mounting plates (2) top is fixedly connected with two first branch plate (3), the first branch plate (3) outer wall is equipped with mounting hole (5), adjacent two first branch plate (3) between every two are equipped with pivot (6), the pivot (6) both ends respectively through mounting hole (5) and is rotationally connected with it, two footboard (7) outer wall is equipped with connecting hole (8), two pivot (6) end part respectively through connecting hole (8) and is fixedly connected with it, two mounting plates (2) top is fixedly connected with second branch plate (4), two second branch plate (4) inner wall is slidably connected with connecting rod (9), two connecting rod (9) end part respectively with corresponding footboard (7) abut, the mounting seat (1) top is installed with two gas control valve (12), two gas control valve (12) connecting end is connected with corresponding connecting rod (9) respectively.

2. Foot valve body guiding device according to claim 1, characterized in that The mounting seat (1) top is fixedly connected with two supporting plates (10), two supporting plates (10) top is equipped with limiting groove (11), two limiting groove (11) inner wall is fixedly connected with corresponding gas control valve (12) respectively.

3. A foot valve guide as claimed in claim 2, wherein: It also includes two connecting pieces (13), the inner wall of the connecting piece (13) is slidably connected with a pressure plate (14), the inner wall of the pressure plate (14) is fixedly connected with a telescopic rod (15), the telescopic rod (15) extends to the outside of the connecting piece (13) through the connecting piece (13), and the circumferential outer wall of the telescopic rod (15) is sleeved with a spring (16).

4. The foot valve guide of claim 3, wherein: One end of the spring (16) is fixedly connected with the inner wall of the connecting piece (13), and the other end of the spring (16) is fixedly connected with the first pressure plate (14).

5. A foot valve guide as claimed in claim 4, wherein: One end of the telescopic rod (15) is fixedly connected with the connecting end of the gas control valve (12), and the other end of the telescopic rod (15) is fixedly connected with the connecting rod (9), and the inner wall of the connecting piece (13) is provided with a connecting sleeve (17), and the end of the telescopic rod (15) penetrates through the connecting sleeve (17) and is slidably connected with it.

6. A foot valve guide as claimed in claim 5, wherein: The inner wall of the connecting piece (13) is provided with two clamping grooves (25), the end of the connecting sleeve (17) is fixedly connected with two connecting frames (18), the inner wall of the connecting frame (18) is rotatably connected with a connecting shaft (19), the end of the connecting shaft (19) penetrates through the connecting frame (18) and extends to the outside of the connecting frame (18), the both ends of the connecting shaft (19) are sleeved with a torsional spring (20), the end of the connecting shaft (19) is fixedly connected with an end cover (21), the circumferential outer wall of the connecting shaft (19) is fixedly connected with a pushing block (22), the outer wall of the pushing block (22) is fixedly connected with a clamping block (23), and the end of the clamping block (23) is rotatably connected with the clamping groove (25).

7. A foot valve guide as claimed in claim 6, wherein: One end of the torsional spring (20) is fixedly connected with the end cover (21), and the other end of the torsional spring (20) is fixedly connected with the connecting frame (18).

8. The foot valve guide of claim 7, wherein: The inner wall of the connecting piece (13) is provided with two positioning grooves (24), the two positioning grooves (24) are connected and communicated with the clamping grooves (25) respectively, and the two end portions of the clamping blocks (23) are slidably connected with the inner walls of the corresponding positioning grooves (24) respectively.

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