Control handle with safety lock

Abstract

The utility model relates to a control handle with a safety lock, which belongs to the technical field of control handles and comprises a fixed outer shell, a grip component is integrated at the top of the fixed outer shell, a base locking component is mounted on the inner side of the fixed outer shell, and the grip component comprises a handle rod body and a mounting inner shell. The mounting inner shell is fixed to the inner side of the fixed outer shell, and the handle rod body is rotationally connected to the right side of the mounting inner shell through a rotating shaft; the base locking assembly comprises a control handle, a limiting block, a connecting rod, a clamping block and an inserting block. The control handle is located on the outer side of the fixed shell, the back face of the control handle is fixedly connected with the end of the connecting rod, the other end of the connecting rod is rotationally connected with the inner side of the fixed shell through a damping rotating shaft, and one side of the back face of the control handle is fixedly connected with the front face of a limiting block. According to the control handle with the safety lock, the control handle can be safely locked when the handle is not used.

Description

Technical Field

[0001] This application relates to the technical field of control handles, and specifically to a control handle with a safety lock. Background Art

[0002] A control handle is a mechanical accessory that facilitates workers to operate machinery and is widely used in construction machinery such as hydraulic excavators, loaders, cranes, bulldozers, and concrete pump trucks. Most of them drive a micro switch to move through swinging or other means, thereby enabling the mechanical equipment to perform corresponding control actions.

[0003] Existing control handles are usually controlled by staff, and the switch is turned on or off by swinging the handle. To ensure the use of the control switch, the handle is usually set to be relatively flexible. Therefore, when not in use, it is very easy for the handle control switch to be turned on due to accidental touch when the staff is moving around, posing a certain safety hazard and needing improvement. In this regard, this application provides a control handle with a safety lock to solve the above problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, this application provides a control handle with a safety lock, which has the advantages of being able to safely lock the control handle during the process of not using the handle, etc., and solves the disadvantages that the existing control handle is still very flexible during the process of not being used, thus being prone to accidental touch and startup.

[0005] To achieve the above object, this application provides the following technical solution: A control handle with a safety lock includes a fixed housing, a grip assembly is integrated on the top of the fixed housing, and a base locking assembly is installed inside the fixed housing;

[0006] The grip assembly includes a handle rod body and an installation inner shell; the installation inner shell is fixed inside the fixed housing, and the handle rod body is rotatably connected to the right side of the installation inner shell through a rotating shaft;

[0007] The base locking assembly includes a control handle, a limit block, a connecting rod, a clamping block, and a plugging block; the control handle is located outside the fixed housing, the back of the control handle is fixedly connected to the end of the connecting rod, the other end of the connecting rod is rotatably connected to the inside of the fixed housing through a damping rotating shaft, one side of the back of the control handle is fixedly connected to the front of the limit block, a limit hole for the limit block to move is opened on the front of the fixed housing, the clamping block is fixed on the outside of the connecting rod, the plugging block is fixed at the bottom of the right side of the handle rod body, and a plugging groove for the plugging block to be plugged into is opened on one side of the clamping block close to the plugging block.

[0008] By adopting the above technical solution, the control handle can be safely locked during the process of not using the handle, and the operation method is very simple and convenient.

[0009] Furthermore, the grip assembly further includes a gear switch, a grip housing, a connecting member, and a gear block; there are three gear switches, all of which are fixedly installed on the right side of the inner mounting shell and can be toggled by the bottom of the left side of the handle rod body. The inner side of the grip housing is fixedly connected to the outer side of the connecting member. The gear block is fixedly installed at the top of the handle rod body. A protrusion that can be in abutting engagement with the outer side of the gear block is fixed inside the connecting member.

[0010] By adopting the above technical solution, it is convenient for the staff to control it.

[0011] Furthermore, the gear block is located inside the grip housing, and a rectangular groove for anti-slip is provided on the outer side of the grip housing.

[0012] By adopting the above technical solution, it enables the staff to easily hold the grip housing and move it.

[0013] Furthermore, three toggle blocks that can respectively toggle the three gear switches are fixed to the bottom of the left side of the handle rod body.

[0014] By adopting the above technical solution, by swinging the handle rod body, the toggle block can toggle the corresponding gear switch.

[0015] Furthermore, the corners of the control handle are arc-shaped, and the right side extends to the right side of the fixed housing. The end of the connecting rod penetrates through one side of the front of the fixed housing.

[0016] By adopting the above technical solution, it enables the staff to conveniently toggle and control the control handle.

[0017] Furthermore, the clamping block is located inside the fixed housing, and the limiting holes are arranged in an arc with the center of the connecting rod as the center.

[0018] By adopting the above technical solution, it enables the connecting rod to normally drive the clamping block to rotate inside the fixed housing.

[0019] Furthermore, the control handle can drive the limiting block to rotate inside the limiting hole, and the bottom of the insertion slot is open.

[0020] By adopting the above technical solution, it enables the limiting block to normally rotate inside the limiting hole with the connecting rod as the center, allowing the limiting hole to play a role in limiting the limiting block and preventing the rotation angle of the control handle from being too large.

[0021] Furthermore, the insertion block is rectangular, and the position of the insertion block corresponds to that of the insertion slot.

[0022] By adopting the above technical solution, the plug-in block can be normally plugged inside the plug-in slot, and under the limiting effect of the rectangle, the locking and limiting function can be carried out normally.

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

[0024] The control handle with a safety lock can perform a safety lock on the control handle during the process of not using the handle through the combined use of the grip component at the top of the fixed housing and the base locking component inside, and the operation method is very simple and convenient, enabling the staff to lock it conveniently when they do not need to use the control handle for work, without consuming too much extra time and energy. After the control handle is locked, it is not easy to shake, thus avoiding the occurrence of accidental touch and effectively improving the practicability of the control handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the present application;

[0026] Figure 2 It is a rear view schematic diagram of the structure of the present application; Figure 1 It is a rear view schematic diagram of the structure of the present application;

[0027] Figure 3 It is an internal structural schematic diagram of the grip housing in the structure of the present application; Figure 2 It is an internal structural schematic diagram of the grip housing in the structure of the present application;

[0028] Figure 4 It is a schematic diagram of the gear block connection structure in the structure of the present application; Figure 3 It is a schematic diagram of the gear block connection structure in the structure of the present application;

[0029] Figure 5 It is an internal structural schematic diagram of the fixed housing in the structure of the present application; Figure 1 It is an internal structural schematic diagram of the fixed housing in the structure of the present application;

[0030] Figure 6 It is a bottom view schematic diagram of the structure of the present application; Figure 5 It is a bottom view schematic diagram of the structure of the present application;

[0031] Figure 7 It is a schematic diagram of the connection structure of the installation inner shell in the structure of the present application; Figure 6 It is a schematic diagram of the connection structure of the installation inner shell in the structure of the present application;

[0032] In the figure: 1. Fixed housing; 200. Grip component; 201. Handle rod body; 202. Installation inner shell; 203. Gear switch; 204. Grip housing; 205. Connecting piece; 206. Gear block; 300. Base locking component; 301. Control handle; 302. Limiting block; 303. Limiting hole; 304. Connecting rod; 305. Block; 306. Plug-in slot; 307. Plug-in block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0034] Please refer to Figures 1 to 7 , the present application provides a technical solution: a control handle with a safety lock, including a fixed housing 1, a grip assembly 200 integrated on the top of the fixed housing 1, and a base locking assembly 300 installed inside the fixed housing 1; through the combined use of the grip assembly 200 on the top of the fixed housing 1 and the base locking assembly 300 inside, the control handle can be safely locked during the process of not using the handle, and the operation method is very simple and convenient, enabling the staff to lock it conveniently when they do not need to use the control handle for work, without consuming excessive additional time and energy, making the control handle not easy to shake after being locked, thus avoiding the occurrence of accidental touch phenomena and effectively improving the practicality of the control handle.

[0035] In this embodiment, the grip assembly 200 is a structure for facilitating the staff to control the handle for corresponding control operations.

[0036] As Figure 2 , Figure 3 and Figure 4 shown, the grip assembly 200 includes a handle rod 201 and an installation inner shell 202; the installation inner shell 202 is fixed to the inside of the fixed housing 1, and the handle rod 201 is rotatably connected to the right side of the installation inner shell 202 through a rotating shaft;

[0037] The grip assembly 200 further includes a gear switch 203, a grip housing 204, a connecting member 205, and a gear block 206; the number of gear switches 203 is three and they are all fixedly installed on the right side of the installation inner shell 202 and can be toggled by the bottom of the left side of the handle rod 201. The inner side of the grip housing 204 is fixedly connected to the outer side of the connecting member 205. The gear block 206 is fixedly installed at the top of the handle rod 201, and a protrusion that can be in abutting cooperation with the outer side of the gear block 206 is fixed inside the connecting member 205.

[0038] It should be noted that the gear block 206 is located inside the handle shell 204, and a rectangular groove for anti-slip is provided on the outside of the handle shell 204, so that the staff can easily hold the handle shell 204 and move it, and then the adjustment of different gears can be achieved through the abutment between the connecting piece 205 and the inner protrusion and the corresponding outer side of the gear block 206. Different gear adjustments are formed by different abutment positions. This is an existing publicly available gear adjustment technology, so I will not elaborate on it. The principle is to use the structure to trigger the built-in micro switch, and then complete the signal transmission, so that cranes and other related mechanical equipment can receive the corresponding control signal and implement the action made by the corresponding control signal.

[0039] In addition, three toggle blocks that can respectively toggle the three gear switches 203 are fixed to the bottom of the left side of the handle rod body 201. By swinging the handle rod body 201, the toggle blocks can toggle the corresponding gear switches 203, and then the control function is realized through the transmission of micro-motion signals. Specifically, the positions of the three gear switches 203 are different, and the swing trigger angles are also different. Different gear switches 203 can be triggered to start according to different swing angles. Among them, if the number of gear switches 203 increases, the number of toggle blocks also needs to be increased to achieve the corresponding matching effect. The position of the gear switch 203 is as follows: Figure 7 shown.

[0040] In this embodiment, the base locking assembly 300 is a structure for locking the position of the handle assembly 200 .

[0041] like Figure 1 , Figure 5 and Figure 6 As shown, the base locking assembly 300 includes a control handle 301, a limit block 302, a connecting rod 304, a clamping block 305, and a plug-in block 307; the control handle 301 is located on the outside of the fixed shell 1, the back side of the control handle 301 is fixedly connected to the end of the connecting rod 304, the other end of the connecting rod 304 is rotatably connected to the inner side of the fixed shell 1 through a damping shaft, one side of the back side of the control handle 301 is fixedly connected to the front side of the limit block 302, a limit hole 303 for the limit block 302 to move is provided on the front side of the fixed shell 1, the clamping block 305 is fixed to the outside of the connecting rod 304, the plug-in block 307 is fixed to the bottom of the right side of the handle body 201, and a plug-in slot 306 for the plug-in block 307 to be plugged in is provided on the side of the clamping block 305 close to the plug-in block 307.

[0042] It should be noted that the edges and corners of the control handle 301 are arc-shaped, and the right side extends to the right side of the fixed housing 1, enabling the staff to conveniently toggle and control the control handle 301. The end of the connecting rod 304 penetrates through one side of the front surface of the fixed housing 1, and the clamping block 305 is located inside the fixed housing 1, enabling the connecting rod 304 to normally drive the clamping block 305 to rotate inside the fixed housing 1, and under the damping rotation action of the damping rotating shaft, the effect of self-stopping when the hand is released can be achieved, facilitating the normal progress of the locking and unlocking operations.

[0043] In addition, the limiting holes 303 are arranged in an arc shape with the center of the connecting rod 304 as the center. The control handle 301 can drive the limiting block 302 to rotate inside the limiting holes 303, enabling the limiting block 302 to normally rotate inside the limiting holes 303 with the connecting rod 304 as the center, so that the limiting holes 303 can play a role in limiting the limiting block 302 and prevent the rotation angle of the control handle 301 from being too large.

[0044] At the same time, the bottom of the insertion slot 306 is open. The insertion block 307 is rectangular, and the positions of the insertion block 307 and the insertion slot 306 correspond to each other, enabling the insertion block 307 to be normally inserted inside the insertion slot 306, and under the limiting effect of the rectangle, the locking and limiting function can be normally carried out.

[0045] The working principle of the above embodiment is as follows:

[0046] When it is necessary to lock the control handle, toggle the control handle 301, drive the clamping block 305 to move through the connecting rod 304, so that the insertion slot 306 moves to the outside of the insertion block 307, and then limit the bottom of the outer side of the handle rod body 201 through the limiting cooperation between the insertion block 307 and the insertion slot 306, making it unable to swing or rotate. When it is necessary to unlock, toggle the control handle 301 in the opposite direction, so that the clamping block 305 moves away from the insertion block 307, and the bottom of the outer side of the handle rod body 201 can no longer be limited, enabling it to move normally. By swinging the handle rod body 201, the corresponding gear switch 203 can be triggered to achieve the control of the mechanical equipment.

[0047] Compared with the prior art, this control handle with a safety lock can safely lock the control handle during the process of not using the handle through the cooperation between the grip assembly 200 on the top of the fixed housing 1 and the base locking assembly 300 inside, and the operation method is very simple and convenient, enabling the staff to lock the control handle conveniently when they do not need to use the control handle for work, without consuming excessive time and energy additionally. After the control handle is locked, it is not easy to shake, thus avoiding the occurrence of accidental touch phenomena, effectively improving the practicability of the control handle, and solving the shortcoming that the existing control handle is still very flexible during the process of not being used and is prone to accidental touch activation.

[0048] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The power supply is the power supply of the mechanical equipment. The provision of power supply is common knowledge in the field. The main controller can be a conventional known device such as a PLC programming controller that plays a control role. It can be realized through simple programming by technicians in this field, and they are all existing publicly available power connection technologies and will not be described in detail in the article.

Claims

1. A control handle with a safety lock, comprising a fixed housing (1), characterized in that: A grip assembly (200) is integrated at the top of the fixed housing (1), and a base locking assembly (300) is installed inside the fixed housing (1). The grip assembly (200) includes a handle rod body (201) and a mounting inner shell (202); the mounting inner shell (202) is fixed to the inside of the fixed housing (1), and the handle rod body (201) is rotatably connected to the right side of the mounting inner shell (202) through a rotating shaft. The base locking assembly (300) includes a control handle (301), a limit block (302), a connecting rod (304), a clamping block (305), and a plug-in block (307); the control handle (301) is located outside the fixed housing (1), the back of the control handle (301) is fixedly connected to the end of the connecting rod (304), the other end of the connecting rod (304) is rotatably connected to the inside of the fixed housing (1) through a damping rotating shaft, one side of the back of the control handle (301) is fixedly connected to the front of the limit block (302), a limit hole (303) for the limit block (302) to move is formed in the front of the fixed housing (1), the clamping block (305) is fixed to the outside of the connecting rod (304), the plug-in block (307) is fixed to the bottom of the right side of the handle rod body (201), and a plug-in slot (306) for the plug-in block (307) to be inserted into is formed on one side of the clamping block (305) close to the plug-in block (307).

2. The control handle with a safety lock according to claim 1, characterized in that: The grip assembly (200) further includes a gear switch (203), a grip housing (204), a connecting member (205), and a gear block (206); the number of the gear switches (203) is three and they are all fixedly installed on the right side of the mounting inner shell (202) and can be toggled by the bottom of the left side of the handle rod body (201), the inside of the grip housing (204) is fixedly connected to the outside of the connecting member (205), the gear block (206) is fixedly installed at the top of the handle rod body (201), and a protrusion that can be in abutting cooperation with the outside of the gear block (206) is fixed inside the connecting member (205).

3. The control handle with a safety lock according to claim 2, characterized in that: The gear block (206) is located inside the grip housing (204), and a rectangular groove for anti-slip is formed on the outside of the grip housing (204).

4. A control handle with a safety lock according to claim 2, characterized in that: Three toggle blocks for toggling the three gear switches (203) respectively are fixed to the bottom of the left side of the handle rod body (201).

5. The control handle with a safety lock according to claim 1, wherein: The corners of the control handle (301) are arc-shaped, and the right side extends to the right side of the fixed housing (1), and the end of the connecting rod (304) penetrates through one side of the front of the fixed housing (1).

6. The control handle with a safety lock according to claim 1, wherein: The clamping block (305) is located inside the fixed housing (1), and the limit hole (303) is arranged in an arc with the center of the connecting rod (304) as the center of the circle.

7. A control handle with a safety lock according to claim 1, characterized in that: The control handle (301) can drive the limit block (302) to rotate inside the limit hole (303), and the bottom of the plug-in slot (306) is open.

8. The control handle with a safety lock according to claim 1, wherein: The plug-in block (307) is rectangular, and the position of the plug-in block (307) corresponds to that of the plug-in slot (306).

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