Mechanical maintenance pliers with adjustable hand grip

Abstract

The application discloses a mechanical maintenance clamp with adjustable hand holding part, and belongs to a mechanical clamp. The mechanical maintenance clamp comprises a clamp body and a tray. The front end of the clamp body is provided with a clamp head assembly. The rear end of the clamp body is provided with a hand holding assembly. The inner side of one end of the hand holding assembly is provided with a sliding rail. A sliding block is installed on the sliding rail. A clamping ring is arranged on the sliding block. An arc-shaped frame is further installed on the sliding block. The position of the arc-shaped frame corresponds to the position of the clamping ring. Four groups of extension rods are installed on the inner side of the other end of the hand holding assembly. Respective sleeve rings are installed on the extension rods. The sleeve rings correspond to the positions of the clamping rings respectively. The tray is provided with a clamping groove which is matched with the clamp body. The lower part of the tray is further provided with a bandage. The clamp body and the tray are connected with each other through a traction rope. The clamping ring and the arc-shaped frame are driven by the sliding block to reciprocate on the end of the hand holding assembly, so that the actual hand holding part position on the hand holding assembly of the clamp body can be adjusted, different personnel with different hand shapes can use the mechanical maintenance clamp, and personnel with different hand shapes and sizes can use the mechanical maintenance clamp with less labor.

Description

TECHNICAL FIELD

[0001] The present application relates to a mechanical pliers, more particularly, the present application relates to a mechanical maintenance pliers with adjustable hand holding part. BACKGROUND

[0002] At present, in the aircraft maintenance, there are many test work to be completed by the maintenance personnel, therefore, under the premise of ensuring safety, it is very important to complete each detection in the shortest time and obtain feedback quickly, and the length of maintenance time is also crucial to the operation of the airline. In the work of aircraft maintenance, tiger pliers, also known as steel wire pliers, are often used, which are a kind of hand tool, and are widely used to pull out nails or clamp off nails and iron wires. In the prior art, such as Chinese patent No. CN108481271A, "a multifunctional iron pliers for mechanical maintenance", which comprises iron pliers one, iron pliers two, and a wrench, the jaw parts of the iron pliers one and the iron pliers two are provided with flat tiger mouth, the jaw parts of the iron pliers one and the iron pliers two are provided with arc tiger mouth, the inner wall of the iron pliers one is provided with a sliding groove one, and the sliding groove one is provided with a push block. The movable wrench is vertically arranged at the bottom of the iron pliers, which is convenient for clamping the iron pliers, avoids the movement interference and movement obstruction caused by clamping the tail of the iron pliers, improves the practicability of the iron pliers, the straight support rod and the push block are arranged as an integral structure, the wrench and the push block two are arranged as an integral structure, which improves the firmness of the connection between the push block and each part, enhances the strength of the other accessory functions of the iron pliers, and is conducive to improving the practicability of the multifunctional iron pliers, and is convenient for being widely used in the field of mechanical maintenance. However, almost all the mechanical pliers on the market have the problem that they are easy to slip and fall due to unstable holding of the maintenance pliers, fall into the inside of the mechanical bin, affect the operation of the equipment, increase the maintenance risk, cause economic loss, and the like due to the single structure. SUMMARY

[0003] One of the purposes of the present application is to solve the above-mentioned problems, and to provide a mechanical maintenance pliers with adjustable hand holding part, so as to solve the technical problems such as single structure of the similar mechanical pliers in the prior art, unable to adapt to the size of different people's hands, easy to slip and fall due to unstable holding when used, and increase the maintenance risk of mechanical equipment.

[0004] In order to solve the above-mentioned technical problems, the present application adopts the following technical scheme:

[0005] The mechanical maintenance clamp with adjustable hand holding part provided by the application comprises a clamp body and a tray, the front end of the clamp body is provided with a clamp head assembly, the rear end of the clamp body is provided with a hand holding assembly, the inner side of one end of the hand holding assembly is provided with a sliding rail, a sliding block is installed on the sliding rail, a self-locking device and an extension rod are installed on the sliding block, a clamping ring is installed at the end of the extension rod, an arc-shaped frame is also installed on the sliding block, and the position of the arc-shaped frame corresponds to the position of the clamping ring; four sets of extension rods are installed on the inner side of the other end of the hand holding assembly, and a respective sleeve ring is installed on each extension rod; the positions of the sleeve rings correspond to the positions of the clamping rings; a clamping groove that matches the clamp body is arranged on the tray, a bandage is further arranged on the lower part of the tray, and the clamp body and the tray are connected to each other through a traction rope.

[0006] As preferred, the further technical scheme is that a pressure sensor is installed on the arc-shaped frame, the pressure sensor and the extension rod are connected to a control module, the control module is used for controlling the output stroke of the extension rod through the force signal collected by the pressure sensor, there are two extension rods, and the clamping ring is installed between the ends of the two extension rods.

[0007] The further technical scheme is that a connecting shaft is movably installed between the clamp head assembly and the hand holding assembly of the clamp body, and an insulating sleeve is sleeved on each end of the hand holding assembly.

[0008] The further technical scheme is that a guide plate is arranged on the upper part of the sliding rail, and the guide plate is installed through the sliding block.

[0009] The further technical scheme is that a replaceable clamp head is installed on the end of the clamp head assembly, a sawtooth opening is arranged on the side surface of the replaceable clamp head, an insertion block is arranged at one end of the replaceable clamp head, a limiting bolt is arranged at one end of the clamp head assembly, and the limiting bolt penetrates the inner side of the insertion block.

[0010] The further technical scheme is that an insertion slot is arranged on the end of the clamp head assembly, a positioning block is arranged on the inner side of the insertion slot, the outer side of the insertion block is connected to the inner side of the insertion slot, and one end of the insertion block is clamped to the outer side of the positioning block.

[0011] The further technical scheme is that a voltage sensor and a temperature sensor are symmetrically arranged on the side surface of the replaceable clamp head, a controller is installed on the top of the end of the clamp head assembly, the pressure sensor and the temperature sensor are connected to the controller, and the controller is further connected to a display screen; a charging interface is arranged at one end of the controller, and a dustproof and heat dissipation opening is arranged at the other end of the controller.

[0012] Further technical solutions are: the top end of the controller is provided with an indicator light, the display screen is installed on the top of the controller, the inside of the controller is provided with a main control unit, one end of the inside of the controller is provided with a storage module, and the other end of the inside of the controller is provided with a storage battery.

[0013] Further technical solutions are: the two bands are provided with a connecting piece at the bottom of one of the bands.

[0014] Further technical solutions are: the middle part of the traction rope is provided with a spring rope.

[0015] Compared with the prior art, the beneficial effects of the present application are: by setting a clamping ring and an arc-shaped frame on one end of the hand-held assembly of the plier body, setting a sleeve ring on the other end, adjusting the distance between the clamping ring and the arc-shaped frame by the telescopic rod, and driving the clamping ring and the arc-shaped frame to reciprocate on the end of the hand-held assembly by the slider, the actual hand-holding part position on the hand-held assembly of the plier body can be adjusted, which is suitable for personnel with different hand shapes, so that personnel with different hand shapes can use the mechanical repair pliers with less effort, and the tray is connected by the traction rope, which can place the plier body conveniently when not in use, prevent the plier body from falling into the working bin during use to increase the maintenance risk, and the mechanical repair pliers with an adjustable hand-holding part are simple in structure and are especially suitable for mechanical repair of aircraft and other aircraft. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view for illustrating one embodiment of the present application.

[0017] Figure 2 It is a structural schematic view for illustrating one embodiment of the present application. Figure 1 It is a structural schematic view for illustrating one embodiment of the present application.

[0018] Figure 3 It is a structural schematic view for illustrating one embodiment of the present application. Figure 1 It is a structural schematic view for illustrating one embodiment of the present application.

[0019] Figure 4 It is a structural schematic view for illustrating one embodiment of the present application. Figure 3 It is an enlarged view of A in the figure.

[0020] Figure 5 It is a structural schematic view for illustrating one embodiment of the present application. Figure 1 It is a structural schematic view for illustrating one embodiment of the present application.

[0021] Figure 6 It is a structural schematic view for illustrating one embodiment of the present application. Figure 1 It is a structural schematic view for illustrating one embodiment of the present application.

[0022] Figure 7 It is a structural schematic view for illustrating one embodiment of the present application. Figure 6 It is a structural schematic view for illustrating one embodiment of the present application.

[0023] In the figure, 1 is the clamp body, 101 is the connecting shaft, 102 is the insulating sleeve, 2 is the handheld assembly, 201 is the sliding rail, 202 is the sliding block, 203 is the telescopic rod, 204 is the electric control machine, 205 is the clamping ring, 206 is the intelligent control box, 207 is the arc-shaped frame, 208 is the pressure sensor, 209 is the infrared sensor, 210 is the mounting strip, 211 is the sleeve ring, 212 is the extension rod, 3 is the tray, 301 is the tray frame, 302 is the clamping groove, 303 is the first binding belt, 304 is the second binding belt, 305 is the connecting piece, 306 is the traction rope, 307 is the spring rope, 4 is the clamp head assembly, 401 is the replaceable clamp head, 402 is the sawtooth opening, 403 is the plug-in block, 404 is the limiting bolt, 405 is the plug-in groove, 406 is the positioning block, 407 is the voltage sensor, 408 is the temperature sensor, 409 is the controller, 410 is the indicator light, 411 is the display screen, 412 is the main control unit, 413 is the storage module, 414 is the storage battery, 415 is the charging interface, and 416 is the dustproof and heat dissipation opening. DETAILED DESCRIPTION

[0024] The application will be further described below with reference to the drawings.

[0025] Reference Figure 1 An embodiment of the application is a mechanical maintenance clamp with adjustable hand-holding part. In the structural design, it comprises a clamp body 1 and a tray 3. A clamp head assembly 4 is arranged at the front end of the clamp body 1, and a handheld assembly 2 is arranged at the rear end of the clamp body 1. The rear end of the clamp body 1 is connected to the tray 3, and the front end of the clamp body 1 is provided with the clamp head assembly 4. One end of a telescopic rod 203 is connected to a clamping ring 205, and the other end of the telescopic rod 203 is arranged on the side surface of a sliding block 202 installed on a sliding rail 201 arranged on one end of the handheld assembly 2. An arc-shaped frame 207 corresponding to the clamping ring 205 is also arranged on the sliding block 202. Preferably, a control module, such as an intelligent control box 206, is also arranged on the sliding block 202. Correspondingly, a pressure sensor 208 and an infrared sensor 209 are arranged on the arc-shaped frame 207. Four extension rods 211 are arranged on the other end of the handheld assembly 2, and a sleeve ring 212 is arranged on each extension rod 211. The extension rods 211 are installed through the sliding cooperation between the sliding rail 201 and the sliding block 202, which facilitates the displacement adjustment of the components of the handheld assembly 2, so as to adjust to a suitable position for use by people with different hand shapes.

[0026] The telescopic rod 203 is connected with the clamping ring 205, and the telescopic rod 203 is electrically connected with the electric control machine 204 and is installed on the sliding block 202, and the intelligent control box 206 is used for providing electric control, and the pressure sensor 208 and the infrared sensor 209 installed on the arc-shaped frame 207 are used for pressure sensing and infrared sensing cooperation, so that when the mechanical pliers are held, the thumb is inserted between the clamping ring 205 and the arc-shaped frame 207, the clamping ring 205 and the electric control telescopic rod 203 are automatically retracted through the infrared sensing control of the infrared sensor 209, the pressure sensor 208 is used for pressure sensing during the retraction process, and the retraction is stopped when the thumb is attached to the pressure sensor 208, so that the mechanical pliers are conveniently held and used with one hand, meanwhile, other fingers can be inserted into the sleeve ring on the extension rod 211 and are curved to realize stable holding effect, the stability during operation is improved, the situation that the mechanical pliers slip and fall during use is avoided, and the problem that the precision components are damaged is solved.

[0027] The outer side of the tray 3 is provided with a tray frame 301, the top of the tray 3 is provided with a clamping groove 302, one end of the bottom of the tray 3 is provided with a first binding belt 303, the other end of the bottom of the tray 3 is provided with a second binding belt 304, and one end of the tray 3 is connected with a traction rope 306. The clamping groove 302 on the tray 3 can provide the clamping and placing function for the plier body 1, and meanwhile, the first binding belt 303 and the second binding belt 304 can be bound on the arm, so as to conveniently provide a placing space for the plier body 1 during use, and the situation that the operation is inconvenient due to lack of a placing space is solved, meanwhile, the traction rope 306 is used for connection, so that the safe traction during operation is ensured, and the situation that the mechanical pliers are inconvenient to retrieve due to falling is further prevented.

[0028] In the above embodiment, the handheld assembly is provided, the sliding cooperation is installed between the sliding rail and the sliding block, the displacement adjustment function of the assembly for driving the handheld assembly is facilitated, so as to be adjusted to a suitable position suitable for different hand shapes, the thumb is inserted between the clamping ring and the arc-shaped frame during holding, the clamping ring and the electric control telescopic rod are automatically retracted, the retraction is stopped when the finger is attached to the pressure sensor, the automatic control is used for conveniently providing convenience during one-hand operation, meanwhile, other fingers can be inserted into the inside of the extension rod and are curved to realize stable holding effect, the stability during operation is ensured, the situation that the mechanical pliers slip and fall during use is avoided, and the problem that the precision components are damaged is solved.

[0029] Based on the above embodiment of the application, a more specific technical means is as follows Figure 6As shown, one end of the head assembly 4 is provided with a replacement head 401, the side of the replacement head 401 is provided with a sawtooth opening 402, one end of the replacement head 401 is provided with an insertion block 403, one end of the body 1 is provided with a limiting pin 404, the limiting pin 404 penetrates the inside of the insertion block 403, the replacement head 401 can provide clamping maintenance operation, the sawtooth opening 402 can improve the convenience of operation, the insertion block 403 can be conveniently connected with the limiting pin 404 on the body 1. One end of the body 1 is provided with an insertion slot 405, the inside of the insertion slot 405 is provided with a positioning block 406, the outside of the insertion block 403 is connected to the inside of the insertion slot 405, one end of the insertion block 403 is clamped to the outside of the positioning block 406, the insertion slot 405 can provide an insertion space for installation and connection, and the positioning block 406 can be inserted and connected with the insertion block 403 during installation and provide positioning effect.

[0030] As Figure 6 With Figure 7 As shown, the side of the replacement head 401 is respectively provided with a voltage sensor 407 and a temperature sensor 408, the top of the body 1 is provided with a controller 409, the voltage sensor 407 and the temperature sensor 408 are connected to the controller 409, the controller 409 is also connected to a display screen 411, one end of the controller 409 is provided with a charging interface 415, the other end of the controller 409 is provided with a dustproof heat dissipation opening 416, the voltage sensor 407 and the temperature sensor 408 can detect voltage and temperature, and the controller 409 can conveniently provide control effect. One end of the top of the controller 409 is provided with an indicator light 410, the display screen 411 is installed on the other end of the top of the controller 409, the inside of the controller 409 is provided with a main control unit 412, one end of the inside of the controller 409 is provided with a storage module 413, the other end of the inside of the controller 409 is provided with a storage module 413. The inside of the controller 409 is provided with a storage module 413, the other end of the inside of the controller 409 is provided with a storage module 413. The indicator light 410 can provide light indication effect for work, and the display screen 411 can provide display effect.

[0031] As Figure 3 As shown, the middle of the body 1 is movably provided with a connecting shaft 101, one end of the body 1 is provided with an insulating sleeve 102, the inner wall of the insulating sleeve 102 is sleeved on the outer wall of the end of the body 1, the connecting shaft 101 can conveniently provide effective rotation to realize complete work, and the insulating sleeve 102 can provide effective insulation to improve the safety of operation.

[0032] As Figure 4As shown, the two ends of one side of the slider 202 are provided with electric control machines 204, two connecting plates are fixedly installed between the intelligent control box 206 and the arc-shaped frame 207, the side surface of the slide rail 201 is provided with a guide plate, the electric control machines 204 are convenient to provide the electric control effect, the connecting plates are conducive to providing stable installation for the arc-shaped frame 207, and the guide plate can provide the guiding movement effect for the slider 202, and the gap is small and has the limiting function.

[0033] As shown in Figure 4 The inner side of the guide plate is provided with a guide groove, the outer side of the slider 202 is slidingly connected to the inner side of the guide plate, and the upper and lower ends of the slider 202 are movably clamped to the outer side of the guide plate. The guide groove improves the space for movement adjustment, and the adjustment function is more convenient to operate.

[0034] As shown in Figure 3 The side surface of the extension rod 211 is provided with a sleeve ring 212, one end of the sleeve ring 212 is provided with a mounting strip plate 210, and the side surface of the mounting strip plate 210 is mounted to one end of the forceps body 1. The sleeve ring 212 can cooperate with the extension rod 211 to limit other fingers. As shown in Figure 5 The bottom of the second binding belt 304 is provided with a connecting piece 305, the middle part of the traction rope 306 is provided with a spring rope 307, and one end of the traction rope 306 is connected to one end of the forceps body 1. The connecting piece 305 is convenient to provide effective connection and restraint effect for the second binding belt 304, and the spring rope 307 can provide certain stretching effect, thereby improving the convenience of operation.

[0035] In actual use, the first connecting shaft 101 facilitates the provision of effective rotation to realize the complete working effect, the insulating sleeve 102 can provide effective insulation to improve the safety of operation, the sliding fit between the sliding rail 201 and the sliding block 202 facilitates the displacement adjustment function of the handheld assembly 2 to be provided to the assembly to facilitate adjustment to a suitable position suitable for use by people with different hand shapes, the electric control telescopic rod 203 is connected with the clamping ring 205 and is in communication with the electric control machine 204 on the sliding block 202, the intelligent control box 206 is used to provide electric control, and the pressure sensor 208 and the infrared sensor 209 installed on the arc-shaped frame 207 are used to cooperate with each other to realize the infrared sensing control of the infrared sensor 209 when the thumb is inserted between the clamping ring 205 and the arc-shaped frame 207 during handheld operation, the clamping ring 205 and the electric control telescopic rod 203 are automatically retracted, the pressure sensor 208 is used to perform pressure sensing during the retraction process, and the retraction is stopped when the finger is attached to the pressure sensor 208, at which time the clamping ring 205 and the arc-shaped frame 207 clamp the thumb, the automatic control is beneficial to providing convenience during single-handed operation, and other fingers can be inserted into the inside of the extension rod 211 and bent to achieve a stable holding effect, ensuring the stability of the operation of the pliers body during use, the clamping groove 302 on the tray 3 can provide the function of clamping and placing the pliers body 1, and the first binding belt 303 and the second binding belt 304 can be bound on the arm to facilitate the provision of a convenient placement space for the pliers body 1 during use, which is beneficial to dealing with the situation that lack of placement space leads to inconvenient operation, the traction rope 306 connected by the replacement pliers head 401 can ensure the safety of the operation process, further prevent the situation of falling and inconvenience in retrieval, the sawtooth opening 402 can improve the convenience of operation, the plug-in block 403 facilitates the installation and connection of the limiting bolt 404 on the pliers body 1, the plug-in groove 405 can provide a plug-in space for installation and connection, the positioning block 406 can be inserted and connected with the plug-in block 403 during installation and provide a positioning effect, the voltage sensor 407 and the temperature sensor 408 can detect the voltage and temperature of the workpiece, the controller 409 can provide a display effect through the display screen 411, and the indicator light 410 can provide a light indication effect.

[0036] In addition to the embodiments specifically described herein, many other modifications and variations that will be apparent to those skilled in the art. It is therefore contemplated that the application can encompass additional combinations of features, structures, and / or functions not specifically described herein. Moreover, it is contemplated that statements reciting "a" or "an" or "at least one" or "one or more" together with some other term can be understood to include one, more than one, or an entire set of the descriptive term unless it is clear from the context that the term is taken in an exclusive sense. Moreover, unless the context clearly requires otherwise, singular terms, such as "but" or the like, can be read to encompass the plural unless the context clearly requires otherwise.

[0037] While the application has been described with reference to the exemplary embodiments thereof, it is to be understood that the application is not limited to the embodiments described and / or illustrated. Rather, the application is amenable to a variety of changes and / or modifications without departing from the scope of the application. More specifically, variations and / or modifications to aspects of the subject combination layout can be effected without departing from the scope of the application, which is defined by the appended claims.

Claims

1. A mechanical repair pliers with an adjustable grip, comprising a pliers body (1) and a tray (3), wherein a pliers head assembly (4) is provided at the front end of the pliers body (1), and a hand-held assembly (2) is provided at the rear end of the pliers body (1), characterized in that: The handheld component (2) has a slide rail (201) on the inner side of one end. A slider (202) is installed on the slide rail (201). A self-locking device and a telescopic rod (203) are installed on the slider (202). A clamping ring (205) is installed at the end of the telescopic rod (203). An arc frame (207) is also installed on the slider (202). The position of the arc frame (207) corresponds to that of the clamping ring (205). Four sets of extension rods (211) are installed on the inner side of the other end of the handheld component (2), and each extension rod (211) is equipped with its own collar (212); the collar (212) corresponds to the position of the clamping ring (205); The tray (3) is provided with a mounting slot (302) that matches the clamp body (1), and the lower part of the tray (3) is also provided with a strap. The clamp body (1) and the tray (3) are connected to each other by a traction rope (306). An electric motor (204) is installed at both ends of one side of the slider (202). A guide plate is provided on the side of the slide rail (201). Two connecting plates are installed between the arc frame (207) and the intelligent control box (206). The connecting plates are used to keep the arc frame (207) stable, and the guide plates are used to guide the slider (202) to move. The electric motor (204) is electrically connected to the telescopic rod (203) and is used to provide electric control to the electric motor (204) by the intelligent control box (206), so that the electric motor (204) controls the output stroke of the telescopic rod (203). A pressure sensor (208) and an infrared sensor (209) are installed on the arc frame (207). The pressure sensor (208) and the telescopic rod (203) are both connected to the intelligent control box (206). The intelligent control box (206) is used to control the output stroke of the telescopic rod (203) through the force signal collected by the pressure sensor (208) and the electronic control unit (204). There are two telescopic rods (203). The clamping ring (205) is installed between the ends of the two telescopic rods (203). The infrared sensor (209) is used to control the automatic retraction of the clamp (205) and the telescopic rod (203) through infrared sensing. During the retraction process, the pressure sensor (208) is used to sense the pressure, and the retraction stops when the thumb touches the pressure sensor (208). The pliers assembly (4) has a replaceable pliers head (401) installed on its end. The replaceable pliers head (401) has a serrated edge (402) on its side. One end of the replaceable pliers head (401) has an insert block (403). One end of the pliers assembly (4) has a limiting bolt (404). The limiting bolt (404) passes through the inside of the insert block (403). The replaceable clamp head (401) is symmetrically provided with a voltage sensor (407) and a temperature sensor (408) on its side. A controller (409) is installed on the top of the clamp head assembly (4). The voltage sensor (407) and the temperature sensor (408) are both connected to the controller (409). The controller (409) is also connected to the display screen (411). A charging interface (415) is provided at one end of the controller (409), and a dustproof heat dissipation vent (416) is provided at the other end of the controller (409). A first strap (303) is installed at one bottom end of the tray (3), and a second strap (304) is installed at the other bottom end of the tray (3); the first strap (303) and the second strap (304) are used to bind the tray (3) to the arm.

2. The adjustable grip mechanical repair pliers according to claim 1, characterized in that: A connecting shaft (101) is movably installed between the clamp head assembly (4) of the clamp body (1) and the hand-held assembly (2), and an insulating sleeve (102) is fitted on both ends of the hand-held assembly (2).

3. The adjustable grip mechanical repair pliers according to claim 2, characterized in that: The clamp head assembly (4) has an insertion slot (405) on its end. The insertion slot (405) has a positioning block (406) on its inner side. The outer side of the insertion block (403) is connected to the inner side of the insertion slot (405). One end of the insertion block (403) is clamped to the outer side of the positioning block (406).

4. The adjustable grip mechanical repair pliers according to claim 1, characterized in that: An indicator light (410) is installed on one end of the top of the controller (409), the display screen (411) is installed on the top of the controller (409), the main control unit (412) is installed inside the controller (409), the storage module (413) is installed at one end of the inside of the controller (409), and the battery (414) is installed at the other end of the inside of the controller (409).

5. The adjustable grip mechanical repair pliers according to claim 1, characterized in that: The straps consist of two straps, and one of the straps has a connector (305) fitted at the bottom.

6. The adjustable grip mechanical repair pliers according to claim 1, characterized in that: The traction rope (306) has a spring rope (307) in the middle.

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