CN113319772A

CN113319772A - Lithium electric digital display electric torque wrench

Info

Publication number: CN113319772A
Application number: CN202110373798.4A
Authority: CN
Inventors: 柯善淼
Original assignee: Wuhan Tianyuda Precision Machinery Co ltd
Current assignee: Wuhan Tianyuda Precision Machinery Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-08-31
Anticipated expiration: 2041-04-07
Also published as: CN113319772B

Abstract

The invention discloses the technical field of electric wrenches, in particular to a lithium-ion digital display electric torque wrench, which comprises a body, wherein a first display screen is arranged at the upper end of the body, a speed reducer is connected at one side of the body, an installation ring is inserted at one side of the speed reducer, a detection ring is sleeved on the installation ring, a torque output shaft is horizontally inserted at the center of one side of the speed reducer, a groove is arranged at one side of the installation ring through the insertion connection of the torque output shaft, the device controls a push ball connected at a fixed position to intermittently push a counting block through the rotation of the torque output shaft, the number of times that the counting block impacts a sensing joint is recorded, the displayed number is the number of times that the torque wrench rotates, the use is convenient, the cost is low, the reverse force arm is conveniently adjusted by limiting and fixing the detection ring and the installation ring through a pre-fixing block and a U-shaped fixing rod, and the use efficiency of equipment is improved, the operation is simple and convenient, and the counting operation is not influenced.

Description

Lithium electric digital display electric torque wrench

Technical Field

The invention relates to the technical field of electric wrenches, in particular to a lithium-ion digital display electric torque wrench.

Background

Electric torque wrench is one of spanner, is applied to the bolt tightening or the lax of big moment of torsion, and the reaction arm plays the supporting role to the spanner, and is laborsaving, is convenient for add the operation of turning round, and nuclear power or some other in-process that valves were opened need to take notes this valve and open the pivoted number of turns, and torque wrench among the prior art often can't reach this requirement, can reach the spanner of requirement, and its cost is higher, and it is comparatively loaded down with trivial details to use simultaneously.

Disclosure of Invention

The invention aims to provide a lithium battery digital display electric torque wrench to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a body, wherein a first display screen is arranged at the upper end of the body, a speed reducer is connected to one side of the body, a mounting ring is inserted into one side of the speed reducer, a detection ring is sleeved on the mounting ring, a torque output shaft is horizontally inserted into the center of one side of the speed reducer, a groove is formed in one side of the mounting ring in a penetrating and inserting manner, a plurality of telescopic grooves are symmetrically formed in the mounting ring, rebounding grooves are symmetrically formed in two sides of the telescopic grooves, a first guide rod is vertically arranged in each rebounding groove in a uniform manner, a counting block is vertically inserted into each telescopic groove, two push plates are symmetrically arranged on two sides of the telescopic groove in a manner, the two push plates are respectively sleeved with the first guide rods through sliding holes, first springs are sleeved at the upper ends of the two first guide rods, the lower ends of the telescopic grooves in a penetrating manner are inserted into the groove in one side, one side of the detection ring is integrally provided with an installation rod, a sensing connector is inserted in the counting groove at the installation side, one side of the installation rod in the groove is horizontally inserted with a push ball through a central rod, the two sides of the push ball and the counting block at one side of the sensing connector are respectively contacted with the push ball and one side of the sensing connector, a plurality of interference fixing grooves are symmetrically formed in one side of the installation ring, a pre-fixing block is horizontally inserted in the pre-fixing groove through a second spring, a plurality of fixing grooves are symmetrically formed in one side of the pre-fixing groove of the detection ring, one side of the pre-fixing block is respectively inserted in the fixing grooves, an external thread is integrally formed on the outer circumferential surface at one side of the installation rod, a control nut is sleeved on the external thread, a movable ring is sleeved on one side of the control nut, two U-shaped fixing rods are integrally and symmetrically arranged on one side of the movable ring, two insertion grooves are symmetrically formed in two sides of the installation rod, and a strip-shaped groove is symmetrically formed on one side of the two insertion grooves, and a vertical rod on one side of the U-shaped fixed rod penetrates through one side of the strip-shaped groove respectively and is inserted into the insertion groove.

Preferably, a limiting hole is formed in one side of the pre-fixing block inserting fixing groove in a penetrating mode, and the U-shaped fixing rod on one side of the pre-fixing block inserting fixing groove is arranged in the penetrating mode through the inserting limiting hole.

Preferably, the U-shaped fixing rod is inserted into the insertion groove, one side of the U-shaped fixing rod is inserted into the detection ring and is inserted into the installation ring, one side of the U-shaped fixing rod in the insertion installation ring is inserted with the T-shaped limiting rod, two arm rods are symmetrically arranged on one side of the T-shaped limiting rod and the upper end of the U-shaped fixing rod through pin shafts respectively, and the two arm rods on one side are connected through the connecting pin shafts in an insertion mode.

Preferably, the connecting pin shaft is sleeved with a limiting block on one side, one side of each limiting block is in contact with one side of the mounting ring, and the vertical rods of the T-shaped limiting rods are sleeved with third springs respectively.

Preferably, the movable ring is provided with a bearing on one side of the sleeve joint control nut, the bearing is provided on one side of the sleeve joint nut, and the movable ring and the nut are not contacted with each other.

Preferably, installation pole one side is equipped with the digital display box through the boss an organic whole, and digital display box upper end is equipped with the second display screen, and digital display box one side is pegged graft and is equipped with the battery case, and the interpolation of battery case is equipped with the battery, and digital display box one side is equipped with the handle through bolted connection, and handle one side an organic whole is equipped with the reaction arm of force.

Compared with the prior art, the invention has the beneficial effects that:

1. the device controls the push ball connected with the fixed position to intermittently push the counting block through the rotation of the torque output shaft, the times of the counting block impacting the sensing joint are recorded, and the displayed numbers are the rotating times of the torque wrench, so that the device is convenient to use and low in cost;

2. through the pre-fixing block and the U-shaped fixing rod, the detection ring and the mounting ring are fixed in a limiting mode, one side of the detection ring is connected with the reaction arm, adjustment is convenient, the use efficiency of equipment is improved, operation is simple and convenient, and counting operation is not affected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the portion B of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the portion C of FIG. 2 according to the present invention;

fig. 5 is a schematic perspective view of the detecting ring and the mounting rod of the present invention.

In the figure: the device comprises a body 1, a first display screen 2, a speed reducer 3, a mounting ring 4, a detection ring 5, a torque output shaft 6, a groove 7, a counting block 8, a push plate 9, a first spring 10, a mounting rod 11, a sensing joint 12, a push ball 13, a second spring 14, a pre-fixing block 15, a control nut 16, a movable ring 17, a U-shaped fixing rod 18, a T-shaped limiting rod 19, an arm rod 20, a third spring 21, a bearing 22, a reinforcing block 23, a second display screen 24, a battery 25, a handle 26 and a counter force arm 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a lithium-ion digital display electric torque wrench: the device comprises a body 1, wherein a first display screen 2 is arranged at the upper end of the body 1, a speed reducer 3 is connected with one side of the body, a mounting ring 4 is inserted into one side of the speed reducer 3, a detection ring 5 is sleeved on the mounting ring 4, a torque output shaft 6 is horizontally inserted into the center of one side of the speed reducer 3, a groove 7 is formed in one side of the torque output shaft 6 which is inserted into the mounting ring 4 in a penetrating manner, a plurality of telescopic grooves are symmetrically formed in the mounting ring 4, rebound grooves are symmetrically formed in two sides of the telescopic grooves, a first guide rod is vertically arranged in each rebound groove in a whole body, a counting block 8 is vertically inserted into each telescopic groove in a penetrating manner, two push plates 9 are symmetrically arranged on two sides of the telescopic groove 8, the two push plates 9 are respectively sleeved with the first guide rod through sliding holes, a first spring 10 is sleeved at the upper ends of the two first guide rods, and the lower end of the counting block 8 is inserted into the groove 7 in a penetrating manner, the inner circumferential surface of the detection ring 5 sleeved with the mounting ring 4 is symmetrically provided with a plurality of counting grooves, one side of the detection ring 5 is integrally provided with a mounting rod 11, the counting groove at the side of the mounting 11 is inserted with a sensing joint 12, one side of the mounting rod 11 in the groove 7 is horizontally inserted with a push ball 13 through a center rod, two sides of a counting block 8 at one side of the push ball 13 and the sensing joint 12 are respectively contacted with one sides of the push ball 13 and the sensing joint 12, one side of the mounting rod 11 is integrally provided with a digital display box through a reinforcing block 23, the upper end of the digital display box is provided with a second display screen 24, one side of the digital display box is inserted with a battery box, the battery box is inserted with a battery 25, one side of the digital display box is provided with a handle 26 through a bolt connection, one side of the handle 26 is integrally provided with a reverse force arm 27, one side of the mounting ring 4 is symmetrically provided with a plurality of pre-fixing grooves, the pre-fixing blocks 15 are horizontally inserted in the pre-fixing grooves through second springs 14, one side of the detection ring 5 is symmetrically provided with a plurality of fixing grooves, one side of the pre-fixing block 15 is respectively inserted into a plurality of fixing grooves, two sides of the pre-fixing block 15 inserted into the pre-fixing grooves are provided with inclined planes, the height of the inclined planes is larger than the depth of the fixing grooves, the outer circumference of one side of the mounting rod 11 is integrally provided with external threads, the external threads are sleeved with a control nut 16, one side of the control nut 16 is sleeved with a movable ring 17, one side of the movable ring 17 is integrally and symmetrically provided with two U-shaped fixing rods 18, two sides of the mounting rod 11 are symmetrically provided with inserting grooves, one sides of the two inserting grooves are symmetrically provided with strip-shaped grooves, vertical rods at one sides of the U-shaped fixing rods 18 penetrate through one sides of the strip-shaped grooves and are inserted into the inserting grooves, one sides of the U-shaped fixing rods 18 are respectively inserted into the detecting ring 5 and are inserted into the mounting ring 4, one side of the U-shaped fixing rods 18 inserted into the mounting ring 4 is provided with a T-shaped limiting rod 19, one side of the T-shaped limiting rod 19 and the upper ends of the U-shaped fixing rods 18 are respectively and are symmetrically provided with two arm rods 20 through pin shafts, and all peg graft mutually through connecting pin axle between two armed levers 20 of one side, even connecting pin axle one side all cup joints and is equipped with the stopper, and two stopper one side contact with collar 4 one side respectively, and T shape gag lever post 19's pole setting cup joints respectively and is equipped with third spring 21, activity ring 17 cup joints control nut 16 one side and is equipped with bearing 22, and bearing 22 cup joints nut 16 one side and sets up, and

activity ring

17 and 16 each other contactless of nut, it has seted up spacing hole to run through on one side in the 15 grafting fixed slots of pre-fixing piece, and one side U-shaped dead lever 18 runs through the spacing hole setting of pegging graft.

The working principle is as follows: when the device is used, the torque output shaft 6 is rotated to move the push ball 13 between the two counting blocks 8, the detection ring 5 is rotated along the mounting ring 4, when the counterforce arm 27 or the handle 26 is moved to a proper auxiliary position, the detection ring 5 is limited by inserting the fixing groove under the action of the pre-fixing block 15, the rotary control nut 16 rotates along the external thread, the U-shaped fixing rod 18 is dragged to be inserted into the mounting ring 4 under the action of the strip-shaped groove, the U-shaped fixing rod 18 at one side penetrates through the limiting hole of the pre-fixing block 15, the control nut 16 is rotated continuously, the T-shaped limiting rod 19 is extruded to the U-shaped fixing rod 18 under the relative action of one side of the U-shaped fixing rod 18 inserted into the mounting ring 4 and the limiting blocks at the two sides are driven by the arm rod 20 to move towards the two sides and are supported in the mounting ring 4 in an expanding manner to complete limiting, the battery 25 is inserted into the battery box, and the battery box is inserted into the digital display box, then the equipment is started, when the torque output shaft 6 rotates, the push balls 13 sequentially push against the plurality of counting blocks 8, only the counting blocks 8 containing the sensing joints 12 move in an extending and contracting mode under the action of the first springs 10, counting can be conducted, and then the counting is displayed on the second display screen 24.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The lithium-ion digital display electric torque wrench comprises a body (1) and is characterized in that a first display screen (2) is arranged at the upper end of the body (1), a speed reducer (3) is connected to one side of the body, an installation ring (4) is spliced to one side of the speed reducer (3), a detection ring (5) is sleeved on the installation ring (4), a torque output shaft (6) is horizontally spliced to the center of one side of the speed reducer (3), a groove (7) is formed in one side of the torque output shaft (6) which penetrates through the installation ring (4) and is spliced in the installation ring, a plurality of telescopic grooves are symmetrically formed in the installation ring (4), rebound grooves are symmetrically formed in two sides of each telescopic groove, a first guide rod is vertically arranged in each rebound groove, a counting block (8) is vertically spliced in each telescopic groove, two push plates (9) are integrally and symmetrically arranged in two sides of each telescopic groove, and the two push plates (9) are respectively sleeved with the first guide rods through sliding holes, the upper ends of the two first guide rods are respectively sleeved with a first spring (10), one side of the counting block (8) penetrates through the lower end of the telescopic groove and is inserted in the groove (7), a plurality of counting grooves are symmetrically formed in the inner circumferential surface of the detection ring (5) sleeved with the mounting ring (4), one side of the detection ring (5) is integrally provided with a mounting rod (11), a sensing joint (12) is inserted in the counting groove on the side of the mounting (11), a push ball (13) is horizontally inserted in one side of the mounting rod (11) in the groove (7) through a central rod, two sides of the push ball (13) and the counting block (8) on one side of the sensing joint (12) are respectively contacted with the push ball (13) and one side of the sensing joint (12), if an intervening fixing groove is symmetrically formed in one side of the mounting ring (4), a pre-fixing block (15) is horizontally inserted in the pre-fixing groove through a second spring (14), a plurality of fixing grooves are symmetrically formed in one side of the detection ring (5), and in the piece (15) one side of predetermineeing pegging graft respectively and arranging a plurality of fixed slots in, the outer periphery an organic whole in installation pole (11) one side is equipped with the external screw thread, cup joints on the external screw thread and is equipped with control nut (16), and control nut (16) one side cup joints and is equipped with activity ring (17), and the integrative symmetry in activity ring (17) one side is equipped with two U-shaped dead levers (18), and the inserting groove has been seted up to the bilateral symmetry in installation pole (11), and the bar groove has been seted up to two inserting groove one side symmetries, and the bar of U-shaped dead lever (18) one side montant runs through bar groove one side grafting respectively and arranges the inserting groove in.

2. The lithium electrodisplacive electric torque wrench as claimed in claim 1, characterized in that: a limiting hole is formed in one side of the pre-fixing block (15) in the inserting fixing groove in a penetrating mode, and a U-shaped fixing rod (18) on one side of the pre-fixing block penetrates through the inserting limiting hole.

3. The lithium electrodisplacive electric torque wrench as claimed in claim 1, characterized in that: u-shaped dead lever (18) are pegged graft and are arranged in the inserting groove one side and run through respectively that detection ring (5) are pegged graft and arrange in collar (4), and U-shaped dead lever (18) are pegged graft in collar (4) one side and are equipped with T shape gag lever post (19), and T shape gag lever post (19) one side is equipped with two armed levers (20) through the round pin shaft symmetry respectively with U-shaped dead lever (18) upper end, and all pegs graft through connecting pin axle between two armed levers (20) of one side and link to each other.

4. The lithium electrodisplacive electric torque wrench as claimed in claim 3, characterized in that: and one side of each connecting pin shaft is sleeved with a limiting block, one side of each limiting block is respectively contacted with one side of each mounting ring (4), and the vertical rods of the T-shaped limiting rods (19) are respectively sleeved with third springs (21).

5. The lithium electrodisplacive electric torque wrench as claimed in claim 1, characterized in that: one side of the movable ring (17) which is sleeved with the control nut (16) is provided with a bearing (22), one side of the bearing (22) which is sleeved with the nut (16) is provided, and the movable ring (17) and the nut (16) are not contacted with each other.

6. The lithium electrodisplacive electric torque wrench as claimed in claim 1, characterized in that: installing pole (11) one side is equipped with digital display box through reinforcement (23) an organic whole, and digital display box upper end is equipped with second display screen (24), and digital display box one side is pegged graft and is equipped with the battery case, and the interpolation of battery case is equipped with battery (25), and digital display box one side is equipped with handle (26) through bolted connection, and handle (26) one side an organic whole is equipped with the reaction arm of force (27).