Control handle with self-locking function

By designing a control handle with self-locking function, using the coordinated settings of the adjustment handle and external components, the self-locking gear adjustment of the handle is realized, solving the safety hazards caused by the accidentally touch of the handle, and improving the stability and safety of use.

CN223038351UActive Publication Date: 2025-06-27SHANGHAI JINWEI IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422363256.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-06-27
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

During use, existing control handles are prone to accidental touching of the handle, causing the switch to be turned on, which poses safety hazards.

Method used

A control handle with self-locking function is designed. By adjusting the coordinated settings of the handle and external components, the self-locking gear adjustment of the handle is realized, improving the stability and safety of use.

Benefits of technology

It effectively solves the safety hazards caused by the mistouch of the handle, improves the stability and safety of the handle use, and ensures the safety of operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223038351U_ABST
    Figure CN223038351U_ABST
Patent Text Reader

Abstract

The utility model relates to a control handle with a self-locking function, and belongs to the technical field of control handles, the control handle comprises a main body, the top of the main body is fixedly provided with a soft sleeve, the inner side of the soft sleeve is movably connected with a movable rod extending to an inner cavity of the main body, the outer side of the movable rod is fixedly provided with an adjusting handle, and the left side of the main body is fixedly provided with a lantern ring; a connecting line is movably connected to the inner side of the lantern ring, and an inserting block is fixed to the end, away from the lantern ring, of the connecting line. According to the control handle with the self-locking function, the adjusting function of the handle is preliminarily achieved through the arrangement of the adjusting handle, the locking function of the handle in use is achieved through the matched arrangement of the external assembly and the adjusting assembly, and therefore the stability and safety of the handle in use are improved; on-off of different circuits in the handle is facilitated, so that the gear adjusting function of the handle is facilitated, the safety performance of the whole handle is high, and the use stability is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of control handles, in particular to a control handle with a self-locking function. Background Technique

[0002] A control handle is a mechanical accessory that facilitates workers to operate machinery and is widely used in working machinery such as hydraulic excavators, loaders, cranes, bulldozers, and concrete pump trucks. When using the control handle to control construction machinery, the operator operates the control handle to drive the movement of the pilot control valve. The pilot control valve outputs pilot pressure oil, and the pilot pressure oil acts on the spool of the hydraulic main valve, thereby controlling the flow rate and movement direction of the system.

[0003] For example, a construction machinery control handle in a Chinese patent (publication number: CN218647361U3) relates to the technical field of mechanical equipment operating devices and includes a mounting base, an operating rod mounted on the mounting base in a universal manner, a reset assembly, and an adjustment assembly. The reset assembly includes a reset plate fixedly mounted on the operating rod, a reset seat, and a reset spring. The adjustment assembly includes an adjustment hole formed in the reset seat, an adjustment rod threadedly penetrating through the adjustment hole, and an adjustment plate provided at the end of the adjustment rod. One end of the reset spring abuts against the reset plate, and the other end abuts against the adjustment plate. The adjustment rod uses its threaded fit with the adjustment hole to push the adjustment plate to move closer to or away from the adjustment plate, so that the reset plate and the adjustment plate cooperate to squeeze or release the reset spring, realizing the adjustment of the acting force of the reset spring on the reset plate, facilitating the adjustment of the acting force of the reset spring on the reset plate according to actual production requirements, and achieving the purpose of adjusting the swing damping of the operating rod.

[0004] This patent realizes the adjustment of the acting force of the reset spring on the reset plate through the threaded fit between the adjustment rod and the adjustment hole, thereby achieving the purpose of adjusting the swing damping of the operating rod. However, during the use of this handle, the situation of accidental touch of the handle causing the switch to turn on may occur, posing a safety hazard. Therefore, a control handle with a self-locking function is proposed to solve the above-mentioned problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a control handle with a self-locking function, which has the advantage of stable use and solves the problem of potential safety hazards caused by accidental touch of the handle.

[0006] To achieve the above object, the present utility model provides the following technical solution: A control handle with a self-locking function, including a main body, a soft sleeve is fixed on the top of the main body, an activity rod extending into the inner cavity of the main body is movably connected inside the soft sleeve, an adjustment handle is fixed on the outer side of the activity rod, a collar is fixed on the left side of the main body, a connecting wire is movably connected inside the collar, and a plug-in block is fixed at one end of the connecting wire away from the collar;

[0007] The adjustment handle includes a rotating shell, a connecting shell, a receiving block and an activity elastic sheet. The rotating shell is movably connected to the outer side of the activity rod, the connecting shell is fixed to the outer side of the activity rod, the receiving block is fixed to the inner side of the connecting shell, the activity elastic sheet is movably connected to the inner cavity of the receiving block, and the activity elastic sheet is movably connected to the rotating shell.

[0008] By adopting this technical solution, it is beneficial to initially realize the control and adjustment of the handle through the adjustment handle. Through the setting of the main body structure, it is beneficial to realize the self-locking gear adjustment of the overall handle and improve the overall use safety.

[0009] Further, a clamping groove is provided on the inner cavity wall of the rotating shell, and the activity elastic sheet is clamped with the rotating shell through the clamping groove.

[0010] By adopting this technical solution, it is beneficial to realize the rotation of the activity elastic sheet, thereby facilitating the rotation of the adjustment handle.

[0011] Further, an insertion port is provided in the inner cavity of the receiving block, and the activity elastic sheet is slidably connected to the receiving block through the insertion port.

[0012] By adopting this technical solution, it is beneficial to the on-off of the activity elastic sheet and the external circuit, thereby facilitating the improvement of the overall handle adjustment function.

[0013] Further, the main body includes an external component, an adjustment component and a gear component. The external component includes a housing, an adjustment housing and an adjustment shaft. A sleeve is fixed on the outer side of the housing, the sleeve is fixed to the bottom of the soft sleeve, the collar is fixed to the left side of the sleeve, the adjustment housing is movably connected to the housing, and the adjustment shaft is rotatably connected to the front and rear side walls of the adjustment housing.

[0014] By adopting this technical solution, the gear component provides protection and swing for the whole. Through the combined use of the adjustment component and the gear component, the gear self-locking function of the overall handle is realized, which is beneficial to the improvement of the handle safety.

[0015] Further, the adjustment component includes a top support spring, an adjustment wheel, a acting block and a acting spring. The top support spring is fixed to the bottom of the activity rod, the adjustment wheel is fixed to the bottom of the top support spring, and the acting spring is fixed to the bottom of the acting block.

[0016] By adopting this technical solution, it is beneficial to convey the swinging force through the movable rod, thereby realizing the extrusion of the acting spring, which is beneficial to improving the insurance protection function for the use of the handle and improving the use stability.

[0017] Furthermore, a movable wheel is rotatably connected to the bottom of the adjusting wheel, the movable wheel is in contact with the top of the acting block, and the acting block has an inclined surface structure with a large slope on the left side and a small slope on the right side.

[0018] By adopting this technical solution, it is beneficial to realize the extrusion adjustment of the acting block, thereby realizing the extrusion of the acting spring and facilitating the stable operation of the self-locking function.

[0019] Furthermore, the gear position assembly includes a swinging block, an adjusting block, a rotating shaft, a supporting block and a control member. The swinging block is fixed to the bottom of the acting spring. The supporting block is rotatably connected to the inner cavity wall on the left side of the housing. The rotating shaft is movably connected to the top of the supporting block. The adjusting block is fixed to the outer side of the rotating shaft. The sleeve ring extends into the inner cavity of the housing and is fixed to the left side of the control member. The control member is fixed to the inner cavity walls on the front and rear sides of the housing.

[0020] By adopting this technical solution, it is beneficial to realize the swinging of the adjusting block, thereby realizing the contact of the adjusting block with different positions of the control member, which is beneficial to realizing the gear position adjustment function.

[0021] Furthermore, a rotating shaft is rotatably connected to the bottom of the swinging block, and an acting wheel is fixed to the outer side of the rotating shaft. The acting wheel is in contact with the top of the adjusting block.

[0022] By adopting this technical solution, it is beneficial to the stable adjustment of the swinging block, thereby realizing the stable action of the adjusting block and improving the stability of the gear position adjustment.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] This control handle with a self-locking function initially realizes the adjustment function of the handle through the setting of the adjusting handle. Through the cooperation of the external components and the adjusting components, the locking function of the handle during use is realized, which is beneficial to improving the stability and safety of the handle during use. Through the setting of the gear position assembly, it is beneficial to realize the on-off of different circuits inside the handle, which is beneficial to realizing the gear position adjustment function of the handle. The overall safety performance of the handle is high, which is beneficial to improving the use stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a perspective view of the present utility model;

[0026] Figure 2 is a perspective view of the outer shell of the present utility model;

[0027] Figure 3 It is a three-dimensional diagram of the internal structure of the main body of the utility model;

[0028] Figure 4 It is a cross-sectional view of the main body of the utility model;

[0029] Figure 5 This is a three-dimensional diagram of the shift assembly of the utility model;

[0030] Figure 6 This is a three-dimensional diagram of the rotating shell of the utility model;

[0031] Figure 7 This is a three-dimensional diagram of the internal structure of the adjustment handle of the utility model.

[0032] In the figure: 1. main body; 101. outer shell; 102. adjusting shell; 103. adjusting shaft; 104. supporting spring; 105. adjusting wheel; 106. action block; 107. action spring; 108. swing block; 109. adjusting block; 110. rotating shaft; 111. supporting block; 112. control member; 2. soft cover; 3. movable rod; 4. adjusting handle; 401. rotating shell; 402. connecting shell; 403. receiving block; 404 movable spring piece; 5. collar; 6. connecting line; 7. plug-in block. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1 A control handle with a self-locking function in this embodiment includes a main body 1, a soft cover 2 is fixed on the top of the main body 1, and the setting of the soft cover 2 is conducive to protecting the movable rod 3, thereby facilitating the improvement of the overall use stability and the overall use effect. The inner side of the soft cover 2 is movably connected with the movable rod 3 extending to the inner cavity of the main body 1, and the outer side of the movable rod 3 is fixed with an adjusting handle 4. A ring 5 is fixed on the left side of the main body 1, and a connecting line 6 is movably connected to the inner side of the ring 5. A plug-in block 7 is fixed at one end of the connecting line 6 away from the ring 5. The setting of the plug-in block 7 is conducive to docking with an external socket, thereby facilitating the improvement of the overall use convenience and the improvement of the use effect.

[0035] It should be noted that through the setting of the handle 4, the adjustment of the overall handle is initially realized. Through the setting of the soft sleeve 2, it is beneficial to improve the stability of the overall handle during use. Through the setting of the main body 1, it is beneficial to realize the self-locking function of the handle, thereby contributing to the improvement of the overall stability during use.

[0036] Please refer to Figures 2 to 5 , in order to achieve gear adjustment with a self-locking function, the main body 1 in this embodiment includes an external component, an adjustment component, and a gear component. The external component includes a housing 101, an adjustment housing 102, and an adjustment shaft 103. A sleeve housing is fixed to the outside of the housing 101. Through the setting of the sleeve housing, it is beneficial to provide preliminary protection for the outside of the main body 1, thereby contributing to the improvement of the overall stability during use. The sleeve housing is fixed to the bottom of the soft sleeve 2, and the sleeve ring 5 is fixed to the left side of the sleeve housing. Through the fixation of the sleeve housing and the soft sleeve 2, it is beneficial to improve the overall stability during use, and further beneficial to the improvement of the handle's usage effect. The adjustment housing 102 is movably connected to the housing 101, and the adjustment shaft 103 is rotatably connected to the front and rear side walls of the adjustment housing 102.

[0037] It can be understood that through the setting of the external component, it is beneficial to achieve preliminary protection for the outside of the main body 1, and at the same time beneficial to improve the stability of the overall handle during use and the safety of the handle during use.

[0038] The adjustment component includes a top support spring 104, an adjustment wheel 105, an acting block 106, and an acting spring 107. The top support spring 104 is fixed to the bottom of the movable rod 3, and the adjustment wheel 105 is fixed to the bottom of the top support spring 104. A movable wheel is rotatably connected to the bottom of the adjustment wheel 105, and the movable wheel is in contact with the top of the acting block 106. The acting block 106 has an inclined surface structure with a larger slope on the left side and a smaller slope on the right side. Through this inclined surface structure setting, it is beneficial to squeeze the acting spring 107 at its bottom, thereby contributing to the unlocking of the handle and the improvement of the handle's safety. The acting spring 107 is fixed to the bottom of the acting block 106.

[0039] Through the setting of the movable wheel, it is beneficial to cooperate with the acting block 106 through the movable wheel, thereby contributing to squeezing the acting block 106, and thus contributing to the unlocking of the handle's self-locking function and the improvement of the overall safety of the handle during use.

[0040] The gear component includes a swinging block 108, an adjustment block 109, a rotating shaft 110, a supporting block 111, and a control member 112. The swinging block 108 is fixed to the bottom of the acting spring 107. The supporting block 111 is rotatably connected to the inner cavity wall on the left side of the sleeve housing. The rotating shaft 110 is movably connected to the top of the supporting block 111. The adjustment block 109 is fixed to the outside of the rotating shaft 110. A rotating shaft is rotatably connected to the bottom of the swinging block 108.

[0041] It can also be understood that by setting the rotating shaft, it is beneficial to the realization of the swinging function of the swinging block 108, and thus beneficial to the realization of the overall gear shifting function.

[0042] A driving wheel is fixed on the outer side of the rotating shaft. By setting the driving wheel, it is beneficial to the stability of the swinging of the swinging block 108, and thus beneficial to the improvement of the overall stability of the handle. The driving wheel is in contact with the top of the adjusting block 109. The collar 5 extends into the inner cavity of the housing and is fixed to the left side of the control member 112, and the control member 112 is fixed to the inner cavity walls on the front and rear sides of the housing.

[0043] In this embodiment, by setting the gear component, the gear shifting function of the handle is realized. With the setting of the adjusting component, the transmission of the swinging force is realized, which is beneficial to the realization of the overall self-locking function of the handle, and thus beneficial to the improvement of the overall stability in use.

[0044] Please refer to Figures 6 to 7 , in order to improve the flexibility of the handle in use, the adjusting handle 4 in this embodiment includes a rotating shell 401, a connecting shell 402, a receiving block 403 and a movable elastic piece 404. The rotating shell 401 is movably connected to the outer side of the movable rod 3, the connecting shell 402 is fixed to the outer side of the movable rod 3, the receiving block 403 is fixed to the inner side of the connecting shell 402, and the movable elastic piece 404 is movably connected to the inner cavity of the receiving block 403.

[0045] It is not difficult to see that by setting the movable elastic piece 404, it is beneficial to the rotational adjustment of the adjusting handle 4. Through the elastic action of the movable elastic piece 404, the overall damping effect is realized, and the adjustment function of the adjusting handle 4 is realized, thus improving the overall flexibility in use.

[0046] The movable elastic piece 404 is movably connected to the rotating shell 401. A clamping groove is formed on the inner cavity wall of the rotating shell 401, and the movable elastic piece 404 is clamped to the rotating shell 401 through the clamping groove.

[0047] In this embodiment, by rotating the rotating shell 401, through the structural setting effect of the movable elastic piece 404 and the rotating shell 401, the sliding adjustment of the movable elastic piece 404 inside the receiving block 403 is realized, which is beneficial to the realization of the adjustment function of the overall adjusting handle 4 and improves the overall flexibility in use.

[0048] The electrical components mentioned in the text are all electrically connected to the controller and the power supply. The control mode of the present invention is controlled by the controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of the power supply also belongs to the common knowledge in the art. And the present invention is mainly used to protect mechanical devices, so the control mode and circuit connection of the present invention will not be explained in detail.

[0049] The working principle of the above embodiment is:

[0050] By rotating the rotating shell 401, the movable spring piece 404 is driven to rotate under the structural action of the rotating shell 401, and the internal circuit of the adjustment handle 4 is turned on and off through the sleeve connection of the receiving block 403 and the movable spring piece 404, thereby realizing the adjustment of the overall handle. When the handle needs to be used for gear adjustment, the movable rod 3 can be pulled to the right to make the movable rod 3 swing around the adjustment shaft 103, and the elastic action of the supporting spring 104 is cooperated to make the adjusting wheel 105 push downward, and the structural action of the action block 106 realizes the squeezing of the action spring 107, thereby realizing the locking of the swing block 108, and then the movable rod 3 can be swung to the front and rear sides. Under the action of a sufficient degree of squeezing force, the adjustment block 109 is driven to adjust the angle, thereby realizing the contact disconnection of the control circuit of the left control member 112, thereby realizing the realization of the overall gear adjustment function, the overall structure is simple, stable to use, and highly safe.

Claims

1. A control handle with a self-locking function, comprising a main body (1), characterized in that: A soft sleeve (2) is fixed on the top of the main body (1); a movable rod (3) extending into the inner cavity of the main body (1) is movably connected to the inner side of the soft sleeve (2); an adjustment handle (4) is fixed to the outer side of the movable rod (3); a collar (5) is fixed to the left side of the main body (1); a connecting wire (6) is movably connected to the inner side of the collar (5); a plug-in block (7) is fixed to the end of the connecting wire (6) away from the collar (5); The adjusting handle (4) comprises a rotating shell (401), a connecting shell (402), a receiving block (403) and a movable spring piece (404); the rotating shell (401) is movably connected to the outer side of the movable rod (3); the connecting shell (402) is fixed to the outer side of the movable rod (3); the receiving block (403) is fixed to the inner side of the connecting shell (402); the movable spring piece (404) is movably connected to the inner cavity of the receiving block (403); and the movable spring piece (404) is movably connected to the rotating shell (401).

2. A control handle with a self-locking function according to claim 1, characterized in that: A clamping groove is provided on the inner cavity wall of the rotating shell (401), and the movable spring piece (404) is clamped with the rotating shell (401) through the clamping groove.

3. The control handle with self-locking function according to claim 1, characterized in that: The inner cavity of the receiving block (403) is provided with an insertion interface, and the movable spring sheet (404) is slidably connected to the receiving block (403) via the insertion interface.

4. The control handle with self-locking function according to claim 1, characterized in that: The main body (1) comprises an external component, an adjustment component and a shifting component. The external component comprises an outer shell (101), an adjustment shell (102) and an adjustment shaft (103). A sleeve shell is fixed to the outer side of the outer shell (101). The sleeve shell is fixed to the bottom of the soft sleeve (2). The sleeve ring (5) is fixed to the left side of the sleeve shell. The adjustment shell (102) is movably connected to the outer shell (101). The adjustment shaft (103) is rotatably connected to the front and rear side walls of the adjustment shell (102).

5. The control handle with self-locking function according to claim 4, characterized in that: The adjustment assembly comprises a supporting spring (104), an adjusting wheel (105), an action block (106) and an action spring (107); the supporting spring (104) is fixed to the bottom of the movable rod (3); the adjusting wheel (105) is fixed to the bottom of the supporting spring (104); and the action spring (107) is fixed to the bottom of the action block (106).

6. The control handle with self-locking function according to claim 5, characterized in that: The bottom of the regulating wheel (105) is rotatably connected to a movable wheel, and the movable wheel is in contact with the top of the action block (106). The action block (106) is in an inclined structure with a large slope on the left side and a small slope on the right side.

7. The control handle with self-locking function according to claim 4, characterized in that: The shift assembly comprises a swing block (108), an adjustment block (109), a rotating shaft (110), a supporting block (111) and a control member (112); the swing block (108) is fixed to the bottom of the action spring (107); the supporting block (111) is rotatably connected to the inner cavity wall on the left side of the casing; the rotating shaft (110) is movably connected to the top of the supporting block (111); the adjustment block (109) is fixed to the outer side of the rotating shaft (110); the collar (5) extends to the inner cavity of the casing and is fixed to the left side of the control member (112); and the control member (112) is fixed to the inner cavity walls on the front and rear sides of the casing.

8. The control handle with self-locking function according to claim 7, characterized in that: The bottom of the swing block (108) is rotatably connected to a rotating shaft, an action wheel is fixed to the outside of the rotating shaft, and the action wheel is in contact with the top of the adjustment block (109).

Citation Information

Patent Citations

  • Engineering machinery control handle

    CN218647361U