Right-angle transmission screw dismounting and mounting tool with multi-power compatible interface

Abstract

The utility model discloses a multi-power compatible interface right-angle transmission screw dismounting and mounting tool, which comprises a handle, a dismounting head, a driving shaft and a driven shaft, the dismounting head is arranged on the driven shaft, the driving shaft and the driven shaft are vertically arranged, the driving shaft is longitudinally arranged and rotatably connected in the handle, and the dismounting head is arranged on the handle. The driven shaft is transversely arranged and rotationally connected into the top of the handle, the top of the driving shaft is fixedly connected with a driving shaft bevel gear, and the driven shaft is provided with a driven shaft bevel gear meshed with the driving shaft bevel gear; and the driving shaft is driven, so that the driving shaft bevel gear is in meshed connection with the driven shaft bevel gear, and then the dismounting head is driven to rotate to dismount the screw. By the adoption of the technical scheme, vertical force application in a narrow space can be achieved through right-angle rigid transmission, bad body position operation of workers is avoided, operation time is shortened, physical output is reduced, working efficiency is improved, and meanwhile safety accidents are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hand tools technical field especially relates to a right angle transmission screw dismounting and installation tool of multi power compatible interface. BACKGROUND

[0002] In the field of mechanical maintenance, equipment installation, etc., the following problems are often faced when dismounting hexagonal screws:

[0003] In a narrow space (such as the inside of a mechanical device, a pipeline flange full of thermal insulation cotton), the screw position is usually difficult to access, and the operator needs to dismount in an undesirable position (such as bending over, crouching, and turning sideways), which reduces work efficiency. At the same time, tools are prone to slipping when operated in a small space, which can cause injury to personnel or damage to equipment, resulting in safety hazards. In addition, traditional hexagonal wrenches or screwdrivers require the handle to be collinear with the screw axis for operation, which cannot be used to apply force vertically when the space is limited, resulting in low dismounting and installation efficiency. SUMMARY

[0004] The utility model aims at providing a right angle transmission screw dismounting and installation tool with a multi power compatible interface to solve the problems raised in the background.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a right angle transmission screw dismounting and installation tool with a multi power compatible interface, comprising a handle, a dismounting head arranged at the top of the handle, a driving shaft arranged on the handle, and a driven shaft, the dismounting head being arranged on the driven shaft, the driving shaft and the driven shaft being arranged vertically, the driving shaft being arranged longitudinally and rotatably connected in the handle, the driven shaft being arranged transversely and rotatably connected in the top of the handle, the top of the driving shaft being fixedly connected with a driving shaft bevel gear, the driven shaft being provided with a driven shaft bevel gear meshingly connected with the driving shaft bevel gear; the driving shaft is driven to meshingly connect the driving shaft bevel gear with the driven shaft bevel gear, thereby driving the dismounting head to rotate to dismount the screw.

[0006] Preferably, the dismounting head and the driven shaft are detachably connected through a spring locking device.

[0007] Preferably, the spring locking device comprises a pressing button, a push rod fixedly connected with the pressing button, and a locking pin abutting against the push rod, one end of the pressing button being embedded in a groove of the driven shaft and connected with a first elastic member arranged in the groove, one end of the dismounting head being provided with a clamping groove, one end of the dismounting head extending into the driven shaft and being tightly connected with the clamping groove and the locking pin, the locking pin being provided with a second elastic member on the side away from the clamping groove.

[0008] Preferably, the first elastic member and the second elastic member are both springs.

[0009] Preferably, the catch is provided with an inwardly recessed socket on the side facing the pressing button, and the upper end surface of the socket is a wedge-shaped surface inclined from bottom to top.

[0010] Preferably, the number of teeth of the driving shaft bevel gear is less than that of the driven shaft bevel gear.

[0011] Preferably, the tail portion of the driving shaft is provided with a tail portion square groove.

[0012] As can be seen from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model discloses a right-angle transmission screw dismounting and mounting tool of a multi-power compatible interface, adopts a pair of driving shaft bevel gears and driven shaft bevel gears which are orthogonally engaged, transmits the rotary motion of the tail portion square groove to the dismounting head, converts the rotary motion of the handle or the electric / pneumatic tool into the vertical rotation of the dismounting head, that is, through the right-angle rigid transmission, vertical force can be applied in a narrow space, the operation time is reduced, the physical consumption is reduced, the work efficiency is improved, and the occurrence of safety accidents is avoided.

[0014] 2. The utility model discloses a right-angle transmission screw dismounting and mounting tool of a multi-power compatible interface, adopts the spring locking device which is combined by the pressing button, the push rod and the catch to be detachably connected between the dismounting head and the driven shaft, that is, the dismounting head and the transmission shaft adopt the spring ejection structure, the built-in spring catch prevents falling, supports the quick replacement of different specifications of hexagonal dismounting heads (such as 4mm, 5mm and 6mm), improves the universality of the tool, and the structure is simple and reliable, and the dismounting is convenient. ACCURACY OF DRAWINGS

[0015] The drawings constituting a part of the present application are used to provide a further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model.

[0016] Figure 1 It is a structure diagram of the utility model right-angle transmission screw dismounting and mounting tool of a multi-power compatible interface Figure 1 ;

[0017] Figure 2 It is a structure diagram of the utility model right-angle transmission screw dismounting and mounting tool of a multi-power compatible interface Figure 2 ;

[0018] Figure 3 It is an internal structure diagram of the utility model right-angle transmission screw dismounting and mounting tool of a multi-power compatible interface

[0019] Figure 4For Figure 2 is a bottom view of the utility model;

[0020] Figure 5 is the internal structure schematic diagram of the right angle transmission screw dismounting and mounting tool of the multi-power compatible interface of the utility model;

[0021] Figure 6 is the partial sectional view of the right angle transmission screw dismounting and mounting tool of the multi-power compatible interface of the utility model. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0023] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0024] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0025] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] EMBODIMENT

[0027] Reference Figures 1 to 6As shown, a multi-power compatible interface right-angle transmission screw dismounting and mounting tool, comprising a handle 1, a dismounting head 2 arranged at the top of the handle 1, a driving shaft 31 and a driven shaft 32 arranged on the handle 1, the dismounting head 2 being arranged on the driven shaft 32, the driving shaft 31 and the driven shaft 32 being arranged perpendicularly, the driving shaft 31 being longitudinally arranged and rotationally connected in the handle 1, the driven shaft 32 being transversely arranged and rotationally connected in the top of the handle 1, the top of the driving shaft 31 being fixedly connected with a driving shaft bevel gear 31a, the driven shaft 32 being arranged with a driven shaft bevel gear 32a engaged with the driving shaft bevel gear 31a; the driving shaft 31 is driven to engage the driving shaft bevel gear 31a with the driven shaft bevel gear 32a, thereby driving the dismounting head 2 to rotate to dismount the screw. With the structure, a pair of orthogonal engaged driving shaft bevel gear 31a and driven shaft bevel gear 32a are adopted to transmit the rotary motion of the tail part square groove 5 to the dismounting head 2 to convert the rotary motion of the handle 1 or the electric / pneumatic tool into the vertical rotation of the dismounting head 2, i.e. through the right-angle rigid transmission, the vertical force can be applied in the narrow space, the personnel bad position operation is avoided, the operation time is reduced, the physical consumption is lowered, the working efficiency is improved, and the safety accidents are avoided.

[0028] The dismounting head 2 and the driven shaft 32 are detachably connected through a spring locking device; the spring locking device comprises a pressing button 41, a pushing rod 42 fixedly connected with the pressing button 41, and a locking pin 43 abutting against the pushing rod; one end of the pressing button 41 is embedded in a groove of the driven shaft 32 and connected with a first elastic element 45 arranged in the groove, one end of the dismounting head 2 is provided with a clamping groove 44, the clamping groove 44 of the dismounting head 2 is tightly connected with the locking pin 43, and the locking pin 43 is provided with a second elastic element 46 away from the clamping groove 44; the first elastic element 45 and the second elastic element 46 are both springs; the side of the locking pin 43 facing the pressing button 41 is provided with a locking hole 431 recessed inward, and the upper end surface of the locking hole 431 is a wedge surface inclined from bottom to top. With the structure, the dismounting head 2 and the driven shaft 32 are detachably connected through the spring locking device composed of the pressing button 41, the pushing rod 42 and the locking pin 43, i.e. the dismounting head 2 and the transmission shaft adopt the spring ejection structure, the built-in spring locking pin 43 prevents falling off, and supports quick replacement of different specifications of hexagonal dismounting heads 2 (such as 4mm, 5mm, 6mm); when in use, the pressing button 41 is pressed to release the spring locking device, and the old dismounting head 2 is taken out; the new dismounting head 2 is inserted, the spring locking device is automatically locked, the replacement is completed, the structure is simple and reliable, and the dismounting is convenient.

[0029] The number of teeth of the driving shaft bevel gear 31a is less than the number of teeth of the driven shaft bevel gear 32a. With this structure, the number of teeth of the driving shaft bevel gear 31a is 10-12 teeth, the number of teeth of the driven shaft bevel gear 32a is 20-24 teeth, the transmission ratio is 1:2 to 1:2.4, the number of teeth of the driving shaft bevel gear 31a is less, the number of teeth of the driven shaft bevel gear 32a is more, the power-saving transmission structure is formed by increasing the transmission ratio, the power-saving effect is realized, and the torque required by the operator is reduced.

[0030] The tail part of the driving shaft 31 is provided with a tail part square groove 5. With this structure, the driving head of the electric wrench, pneumatic wrench or ratchet wrench is inserted into the tail part square groove 5, the driving shaft 31 is rotated, the driving shaft bevel gear 31a is engaged and connected with the driven shaft bevel gear 32a, and then the dismounting head 2 is rotated vertically to realize the dismounting of the screw; that is, the tail part square groove 5 adopts a standard four-square groove (such as 1 / 2 inch or 1 / 4 inch), which can be compatible with the electric wrench, pneumatic wrench or ratchet wrench, and the seamless switching of manual, electric and pneumatic operations is realized through the design of the tail part square groove 5; wherein the tail part square groove 5 is provided with anti-skid lines to ensure the close connection with the driving head.

[0031] Working principle:

[0032] The driving head of the electric wrench, pneumatic wrench or ratchet wrench is inserted into the tail part square groove 5, the driving shaft 31 is rotated, the driving shaft bevel gear 31a is engaged and connected with the driven shaft bevel gear 32a, the rotation of the driven shaft 32 fixedly connected with the driven shaft bevel gear 32a is driven, and the rotation of the driven shaft 32 can drive the vertical rotation of the dismounting head 2 to complete the dismounting of the screw;

[0033] When the old dismounting head 2 needs to be dismounted, the pressing button 41 is pressed in the direction of the dismounting head 2, the push rod 42 connected with the pressing button 41 is moved in the direction of the pin 43, the pin 43 is lifted up until the bottom end of the pin 43 is separated from the clamping groove 44 through the design of the wedge surface, and then the old dismounting head 2 can be moved away from the driven shaft 32 to complete the dismounting of the old dismounting head 2;

[0034] When a new dismounting head 2 needs to be installed, the new dismounting head 2 is inserted into the driven shaft 32, the bottom end of the pin 43 is lifted up as the dismounting head 2 continuously moves into the driven shaft 32, and then when the clamping groove 44 moves directly below the pin 43, the pin 43 is tightly clamped in the clamping groove 44 under the elastic restoring force of the second elastic member 46 to complete the installation of the new dismounting head 2.

[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A right-angle drive screw dismounting and mounting tool with multi-power compatible interface, comprising a handle, a dismounting head arranged at the top of the handle, characterized in that: The utility model also comprises a driving shaft and a driven shaft arranged on the handle, the dismounting head is arranged on the driven shaft, the driving shaft is arranged vertically with the driven shaft, the driving shaft is longitudinally arranged and rotationally connected in the handle, the driven shaft is transversely arranged and rotationally connected in the top of the handle, the top of the driving shaft is fixedly connected with a driving shaft bevel gear, the driven shaft is provided with a driven shaft bevel gear which is meshingly connected with the driving shaft bevel gear, the driving shaft is driven to meshingly connect the driving shaft bevel gear with the driven shaft bevel gear, thereby driving the dismounting head to rotate to dismount the screw.

2. The multi-power compatible interface right-angle drive screw dismounting and mounting tool according to claim 1, characterized in that: The dismounting head and the driven shaft are detachably connected through a spring locking device.

3. The multi-power compatible interface right-angle drive screw installation / removal tool of claim 2, wherein: The spring locking device comprises a pressing button, a pushing rod fixedly connected with the pressing button and a clamping pin abutting against the pushing rod, one end of the pressing button is embedded into a groove of the driven shaft and connected with a first elastic element arranged in the groove, one end of the dismounting head is provided with a clamping groove, one end of the dismounting head is inserted into the driven shaft, the clamping groove on the dismounting head is tightly connected with the clamping pin, and the side, away from the clamping groove, of the clamping pin is provided with a second elastic element.

4. The multi-power compatible interface right-angle drive screw dismounting and mounting tool according to claim 3, characterized in that: The first elastic element and the second elastic element are both springs.

5. The multi-power compatible interface right-angle drive screw installation / removal tool of claim 3, wherein: The side, towards the pressing button, of the clamping pin is provided with an inwardly recessed clamping port, and the upper end face of the clamping port is a wedge-shaped face which is inclined from bottom to top.

6. The multi-power compatible interface right-angle drive screw installation / removal tool of claim 1, wherein: The number of teeth of the driving shaft bevel gear is less than that of the driven shaft bevel gear.

7. The multi-power compatible interface right-angle drive screw installation / removal tool of claim 1, wherein: The tail part of the driving shaft is provided with a tail square groove.

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