Locking device of foot valve

By using a threaded connection design of the slide, moving block, and support block, the accuracy and accidental activation problems of the existing foot valve locking device are solved, achieving precise locking of the foot pedal and preventing accidental activation in a stationary state, thus improving the performance of the foot valve.

CN223677151UActive Publication Date: 2025-12-16FOSHAN SAFETY MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520181714.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-05
Publication Date
2025-12-16
Estimated Expiration
2035-02-05

AI Technical Summary

Technical Problem

The existing foot pedal valve locking device cannot accurately lock according to the depth of pedaling, and is prone to accidental activation when stationary, failing to effectively lock the foot pedal when not in use.

Method used

A locking device comprising a slide, a moving block, a rotating rod, and a support block is designed. The moving block and the support block are threaded together by rotating the rotating rod with a knob. The inclined surface of the support block can adapt to foot pedals of different heights. Locking and unlocking are achieved in combination with a return spring.

Benefits of technology

It achieves precise locking based on the depth of the foot pedal and prevents accidental activation when the pedal is stationary, thus improving the usability and safety of the foot pedal valve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a locking device of a foot valve, which belongs to the technical field of foot valves and comprises a foot valve main body, two sliding grooves are symmetrically arranged on the surface of the foot valve main body, moving blocks are slidably connected in the two sliding grooves, a rotating rod is rotatably connected in the foot valve main body, and threaded surfaces are arranged on the left side and the right side of the rotating rod. Each moving block is in threaded connection with the threaded surface of the rotating rod, a supporting block is arranged at the upper end of each moving block, clamping surfaces are arranged at the bottoms of the two supporting blocks, and inclined surfaces are arranged on the opposite inner side surfaces of the two supporting blocks. And the pedal plate which is not used can be locked, so that the using effect of the foot valve is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to foot valve technical field, concretely relates to a locking device of foot valve. BACKGROUND

[0002] The foot valve is the main operating mechanism for controlling the working device in engineering machinery, and the foot valve adopts a hand control reversing valve, the functions of the valve are subdivided into two-position three-way and two-position five-way, and the foot valve has the advantages of small size, beautiful appearance, panel type installation, etc. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a locking device of foot valve, which can accurately lock the depth of the stepped pedal according to the requirement and lock the pedal when not in use, thereby improving the use effect of the foot valve.

[0004] To solve the above technical problems, the utility model provides a locking device of foot valve, which comprises a foot valve body, two sliding grooves are symmetrically formed on the surface of the foot valve body, two moving blocks are slidably connected in the sliding grooves, a rotating rod is rotatably connected in the foot valve body, threaded surfaces are arranged on the left and right sides of the rotating rod, each moving block is threadedly connected to the threaded surface of the rotating rod, a supporting block is arranged at the upper end of each moving block, clamping surfaces are arranged on the bottoms of the two supporting blocks, and inclined surfaces are arranged on the opposite inner sides of the two supporting blocks.

[0005] The inclined surface is located above the clamping surface and continuously inclines towards the inside of the foot valve body from bottom to top, and the inclined surface can contact pedals of different heights through the continuous inward movement of the supporting block.

[0006] The upper end of the foot valve body is provided with an extension rod, the upper end of the extension rod is connected with a pedal, the foot valve body is connected with the pedal through two left-right symmetrical return springs, and the extension rod ensures the stable support of the movement of the pedal.

[0007] The foot pedal is located between the two supporting blocks, and the supporting blocks are located at the bottom side of the foot pedal, which facilitates the movement of the supporting blocks to the bottom of the foot pedal to realize locking operation in the case that the foot pedal is not used.

[0008] The thread surfaces on the left and right sides of the rotating rod are opposite in thread shape, the relative movement of the two moving blocks can be realized at the same time, and the right side of the rotating rod is provided with a knob.

[0009] The sliding groove and the moving block are both in the shape of an I-beam, so that the stability of the moving block during movement is ensured.

[0010] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0011] 1、The utility model discloses a foot pedal can be precisely locked according to the depth of the required pedaling foot pedal, and the foot pedal can be locked when not in use, which is beneficial to the use effect of the foot valve.

[0012] 2、The utility model discloses a foot pedal can be precisely locked according to the depth of the required pedaling foot pedal, and the foot pedal can be locked when not in use, which is beneficial to the use effect of the foot valve.

[0013] 3、The utility model discloses a foot pedal can be precisely locked according to the depth of the required pedaling foot pedal, and the foot pedal can be locked when not in use, which is beneficial to the use effect of the foot valve.

[0014] 4、The utility model discloses a foot pedal can be precisely locked according to the depth of the required pedaling foot pedal, and the foot pedal can be locked when not in use, which is beneficial to the use effect of the foot valve. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model; Figure 1 It is an enlarged structural schematic view of A in the utility model;

[0017] Figure 3 It is a structural schematic view of the utility model from the front side;

[0018] Figure 4 It is a structural schematic view of the utility model from the right side.

[0019] The reference numerals are explained as follows: 100, foot valve body; 201, telescopic rod; 202, foot pedal; 203, reset spring; 301, sliding groove; 302, rotating rod; 303, moving block; 304, supporting block; 305, inclined surface; 306, clamping surface. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the following will combine the drawings of the embodiments of the utility model to make a clear and complete description of the technical scheme of the embodiments of the utility model. Figures 1-4 It is obvious that the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art belong to the scope of protection of the utility model.

[0021] According to one embodiment of the utility model, as shown in Figure 1 , Figure 2 and Figure 3 : the embodiment provides a locking device of foot valve, including foot valve body 100, the surface of foot valve body 100 is symmetrically provided with two sliding grooves 301, two sliding grooves 301 are all slidably connected with moving block 303, the inside of foot valve body 100 is rotatably connected with rotating rod 302, the left and right sides of rotating rod 302 are all provided with threaded surface, each moving block 303 is all screw-connected on the threaded surface of rotating rod 302, the upper end of each moving block 303 is all provided with supporting block 304, the bottom of two supporting blocks 304 is all provided with clamping surface 306, the opposite inner side of two supporting blocks 304 is all provided with inclined surface 305, inclined surface 305 is located on the upper side of clamping surface 306, and inclined surface 305 continuously inclines to the inside of foot valve body 100 from bottom to top, and inclined surface 305 can realize the contact with foot pedal 202 of different height by the continuous inward movement of supporting block 304, when using foot valve to work, staff can step down foot pedal 202, then staff can rotate rotating rod 302 by knob, under the action of screw, can make the moving block 303 on both sides drive supporting block 304 to move to the inside of foot valve body 100, until the clamping surface 306 of two supporting blocks 304 is in contact with the surface of foot pedal 202, because of the inclined surface 305 on supporting block 304, the clamping and locking of foot pedal 202 of different height can be realized, the upper end of foot valve body 100 is provided with telescopic rod 201, the upper end of telescopic rod 201 is connected with foot pedal 202, foot valve body 100 is connected with foot pedal 202 by two left and right symmetrical reset springs 203, telescopic rod 201 ensures the support stability of the movement of foot pedal 202, after the use of foot valve is completed, reset spring 203 will drive foot pedal 202 to move upward and reset.

[0022] According to another embodiment of the present application, as shown in Figure 1 、 Figure 3 and Figure 4 The foot pedal 202 is located between the two supporting blocks 304, the supporting blocks 304 are located at the bottom side of the foot pedal 202, which facilitates the movement of the supporting blocks 304 to the bottom of the foot pedal 202 to realize the locking operation in the case of not using the foot pedal valve, the thread surfaces on the left and right sides of the rotating rod 302 are opposite in thread shape, which can realize the relative movement of the two moving blocks 303 at the same time, the right side of the rotating rod 302 is provided with a knob, the staff can rotate the rotating rod 302 through the knob, the sliding groove 301 and the moving block 303 are both in the shape of an I-beam, which ensures the stability of the moving block 303 during movement, and in the case of not using the foot pedal valve for operation, the staff can rotate the rotating rod 302 through the knob, and under the action of the thread, the moving blocks 303 on both sides can drive the supporting blocks 304 to move towards the inside of the foot pedal valve main body 100, at this time, the supporting blocks 304 are located at the bottom of the foot pedal 202, which can avoid the accidental touch of the foot pedal 202, and realizes the locking of the foot pedal 202 in the static state.

[0023] The use method of the present application is as follows: when using the foot pedal valve for operation, the staff can step down the foot pedal 202, then the staff can rotate the rotating rod 302 through the knob, and under the action of the thread, the moving blocks 303 on both sides can drive the supporting blocks 304 to move towards the inside of the foot pedal valve main body 100, until the clamping surfaces 306 of the two supporting blocks 304 are in contact with the surface of the foot pedal 202, due to the inclined surface 305 on the supporting block 304, the clamping and locking of the foot pedal 202 of different heights can be realized, after the use of the foot pedal valve is completed, the foot pedal 202 will be moved upward and reset by the reset spring 203, when not using the foot pedal valve for operation, the staff can rotate the rotating rod 302 through the knob, and under the action of the thread, the moving blocks 303 on both sides can drive the supporting blocks 304 to move towards the inside of the foot pedal valve main body 100, at this time, the supporting blocks 304 are located at the bottom of the foot pedal 202, which can avoid the accidental touch of the foot pedal 202, and realizes the locking of the foot pedal 202 in the static state, the present application not only can accurately lock according to the depth of the stepped foot pedal 202, but also can lock the foot pedal 202 when not in use, which is beneficial to the use effect of the foot pedal valve.

[0024] The above is the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A locking device for a foot valve, comprising a foot valve body (100), characterized in that: The surface of the foot valve body (100) is symmetrically provided with two sliding grooves (301), both of which are slidably connected with moving blocks (303), the inside of the foot valve body (100) is rotatably connected with a rotating rod (302), the left and right sides of the rotating rod (302) are both provided with threaded surfaces, each moving block (303) is threadedly connected with the threaded surface of the rotating rod (302), the upper end of each moving block (303) is provided with a supporting block (304), the bottom of each supporting block (304) is provided with a clamping surface (306), and the opposite inner sides of the two supporting blocks (304) are both provided with inclined surfaces (305).

2. A foot valve locking device as claimed in claim 1, wherein: The inclined surface (305) is located above the clamping surface (306), and the inclined surface (305) continuously inclines to the inside of the foot valve body (100) from bottom to top.

3. A foot valve locking device as claimed in claim 1, wherein: The upper end of the foot valve body (100) is provided with an extension rod (201), the upper end of the extension rod (201) is connected with a foot pedal (202), and the foot valve body (100) is connected with the foot pedal (202) through two left-right symmetrical return springs (203).

4. A foot valve locking device as claimed in claim 3, wherein: The foot pedal (202) is located between the two supporting blocks (304), and the supporting blocks (304) are located at the bottom side of the foot pedal (202).

5. A foot valve locking device as claimed in claim 1, wherein: The threaded surfaces on the left and right sides of the rotating rod (302) are opposite in shape, and the right side of the rotating rod (302) is provided with a knob.

6. A foot valve locking device as claimed in claim 1, wherein: The sliding groove (301) and the moving block (303) are both in the shape of an I-beam.