CN110919580A

CN110919580A - Insulated electric wrench

Info

Publication number: CN110919580A
Application number: CN201911200940.4A
Authority: CN
Inventors: 杨旭东; 刘成光; 王俊骄; 吴焕成; 徐鹏程; 孙成帅; 王志平; 王云涛
Original assignee: State Grid Shandong Electric Power Co Qixia Power Supply Co
Current assignee: State Grid Shandong Electric Power Co Qixia Power Supply Co
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-03-27

Abstract

The invention discloses an insulated electric wrench, which comprises a sleeve, wherein one side of the sleeve is provided with a shell, the interior of the shell is provided with a driving structure, the bottom of the shell is fixedly connected with a handle, the bottom end of the handle is fixedly connected with a power supply, one end of the driving structure extends into the interior of the sleeve and is provided with a telescopic structure, and the sleeve is provided with a clamping structure, the construction rhythm can be accelerated, and the installation efficiency is improved.

Description

Insulated electric wrench

Technical Field

The invention relates to an electric wrench, in particular to an insulated electric wrench, and belongs to the technical field of electric wrenches.

Background

The electric wrench is suitable for initial screwing and final screwing of hexagonal bolt construction in bridge construction, factory building and power generation equipment installation, construction of hexagonal bolt threaded connection is needed in installation of power generation equipment, the bolt is screwed through the electric wrench tool, and the connection position of the electric wrench and a threaded sleeve contacted with the bolt and the electric wrench is insulated with the whole body through the insulating protective sleeve. Thread bush fixed mounting among present electric spanner is in electric spanner, only can screw up the bolt of fixed model, receive the restriction of bolt model, application scope is little, and the electric spanner shell is airtight, inside does not also have heat radiation structure to dispel the heat to the motor, the ageing of electric spanner inner structure is accelerated easily to the live time overlength, and during the construction, the bolt is screwed up gradually, the nut inserts gradually in the thread bush, after the construction, need take out electric spanner, make the thread bush take off from the nut, prolong the construction rhythm, reduce the installation effectiveness.

Disclosure of Invention

The invention provides an insulated electric wrench, which effectively solves the problems that the electric wrench in the prior art is small in application range, the electric wrench is high in temperature after being used for a period of time, the aging of an internal structure is easy to accelerate, the construction rhythm is low, and the installation efficiency is low.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to an insulated electric wrench, which comprises a sleeve, wherein a shell is arranged on one side of the sleeve, a driving structure is arranged in the shell, a handle is fixedly connected to the bottom of the shell, a power supply is fixedly connected to the bottom end of the handle, one end of the driving structure extends into the sleeve and is provided with a telescopic structure, and a clamping structure is arranged on the sleeve.

As a preferable technical scheme of the present invention, the housing includes a motor protection case and a fan protection case, the motor protection case is fixedly communicated with the fan protection case, and the bottom of the motor protection case is fixedly connected with the handle.

As a preferred technical scheme of the invention, the driving structure comprises a driving motor, a motor support frame, a support block and a rotating rod, the motor support frame is fixedly sleeved on the outer side wall of the driving motor, the outer side wall of the motor support frame is fixedly connected with the inner side wall of the motor protection shell, the support block is fixedly connected with the tail part of the driving motor, the output end of the driving motor is fixedly connected with the rotating rod through a coupler, one end of the rotating rod, far away from the driving motor, is slidably connected inside the sleeve, and the rotating rod is rotatably connected with the fan protection shell through a bearing.

As a preferred technical scheme of the present invention, the fan is fixedly sleeved on the outer side wall of the rotating rod located inside the fan protection shell, the side wall of the fan protection shell is provided with a plurality of air inlet holes which are uniformly distributed, and the side wall of the motor protection shell is provided with a plurality of heat dissipation holes which are uniformly distributed.

As a preferable technical scheme, the telescopic structure comprises a pressing block, a groove and a spring, the groove is formed in one end, far away from the driving motor, of the rotating rod, the pressing block is connected inside the groove in a sliding mode, the spring is fixedly connected to the inner side wall of the groove, and one end, far away from the driving motor, of the spring is fixedly connected with the pressing block.

As a preferable technical scheme, the bottom end of the inner part of the groove is provided with a sliding chute, the inner part of the sliding chute is connected with a sliding block in a sliding mode, the sliding block is fixedly connected with the bottom of the pressing block, and the inner side wall of the groove is provided with a material saving hole.

As a preferred technical scheme of the present invention, the clamping structure includes a clamping groove, a clamping block, a clamping hole and a pin rod, the clamping groove is formed at one end of the inner side wall of the sleeve close to the housing, the clamping block is fixedly connected to the outer side wall of the rotating rod, the clamping block is clamped inside the clamping groove, the clamping hole penetrates through the sleeve, the clamping block and the rotating rod, and the pin rod is located inside the clamping hole.

As a preferable technical scheme of the invention, the outer side wall of the handle is fixedly connected with a plurality of handle convex strips, the top end of the outer side wall of the handle is provided with a switch button, and the driving motor, the switch button and the power supply are electrically connected with each other.

The invention has the following beneficial effects:

(1) according to the insulated electric wrench, due to the arrangement of the clamping structure, when bolts of different types need to be screwed, the pin rod is taken out of the clamping hole, the sleeve is pulled outwards to enable the clamping block to fall off from the clamping groove, after the sleeve is taken off from the rotating rod, the sleeve with the corresponding type is replaced, the pin rod is inserted into the clamping hole, after the installation is finished, the driving motor is started to drive the rotating rod to rotate, the sleeve rotates, the bolts of different types can be screwed, and the application range is wider.

(2) According to the insulated electric wrench, the fan is arranged, when the insulated electric wrench is used, the rotating rod rotates to drive the fan to rotate in the fan protection shell, external air is pumped through the air inlet hole to continuously blow air to the driving motor, heat dissipation and cooling can be performed on the driving motor, and the phenomenon that the driving structure in the electric wrench is aged due to overhigh temperature is avoided.

(3) According to the insulated electric wrench, due to the arrangement of the telescopic structure, during construction, the bolt is gradually screwed on the nut, one end of the nut is gradually inserted into the sleeve, the pressing block is pushed to slide towards the inside of the groove through the sliding groove and the sliding block, the spring is compressed, after the installation is finished, the spring is stretched outwards due to self deformation only by loosening the pressing of the handle on the electric wrench, the pressing block is pushed to slide towards the outside of the groove, the pressing block pushes the nut towards the outside of the sleeve, and therefore the nut and the bolt can be easily taken down from the sleeve.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic left side view of the present invention;

FIG. 4 is a perspective view of the turn bar of the present invention;

FIG. 5 is an enlarged schematic view of portion A of FIG. 2;

fig. 6 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a sleeve; 2. a housing; 21. a fan protective case; 22. a motor protection shell; 23. an air inlet hole; 24. heat dissipation holes; 3. a telescopic structure; 31. briquetting; 32. a groove; 33. a spring; 34. a slider; 35. a chute; 4. a clamping structure; 41. a clamping block; 42. a card slot; 43. a clamping hole; 44. a pin rod; 5. a drive structure; 51. a drive motor; 52. a motor support frame; 53. a support block; 54. a rotating rod; 55. a material saving hole; 6. a handle; 61. a handle rib; 7. a power source; 8. a fan.

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.

Example (b): as shown in fig. 1 to 6, the insulated electric wrench of the present invention includes a sleeve 1, a housing 2 is disposed on one side of the sleeve 1, a driving structure 5 is disposed inside the housing 2, a handle 6 is fixedly connected to the bottom of the housing 2, a power supply 7 is fixedly connected to the bottom end of the handle 6, one end of the driving structure 5 extends into the sleeve 1 and is provided with a telescopic structure 3, and a locking structure 4 is disposed on the sleeve 1.

The shell includes 2 motor protective housing 22 and fan protective housing 21, can protect its inside fan 8, can protect and support its inside driving motor 51, motor protective housing 22 and the fixed intercommunication of fan protective housing 21, the bottom and the handle 6 fixed connection of motor protective housing 22.

Drive structure 5 includes driving motor 51, motor support frame 52, supporting shoe 53 and bull stick 54, the fixed cover of motor support frame 52 is connected on driving motor 51's lateral wall, motor support frame 52's lateral wall and motor protective housing 22's inside wall fixed connection, supporting shoe 53 fixed connection is on motor protective housing 22's inside wall, supporting shoe 53 and driving motor 51's afterbody fixed connection, driving motor 51's output passes through shaft coupling fixedly connected with bull stick 54, the one end sliding connection that driving motor 51 was kept away from to bull stick 54 is in the inside of sleeve 1, bull stick 54 rotates with fan protective housing 21 through the bearing to be connected, and shell 2 can play the effect of protection to inside drive structure 5.

The bull stick 54 is located and is fixed the fan 8 that has cup jointed on the inside lateral wall of fan protective housing 21, set up a plurality of evenly distributed's fresh air inlet 23 on the lateral wall of fan protective housing 21, set up a plurality of evenly distributed's louvre 24 on the lateral wall of motor protective housing 22, when driving motor 51 starts and drives bull stick 54 and rotate, can drive fan 8 at the internal rotation of fan protective housing 21 simultaneously, draw outside air through fresh air inlet 23, to driving motor 51 continuously blow the air, can carry out the cooling to driving motor 51, avoid because of the motor temperature is too high, and accelerate the ageing of electric wrench internal drive structure 5.

Extending structure 3 includes briquetting 31, recess 32 and spring 33, the one end of keeping away from driving motor 51 is seted up at bull stick 54 to recess 32, briquetting 31 sliding connection is in the inside of recess 32, spring 33 fixed connection is on the inside wall of recess 32, driving motor 51's one end and briquetting 31 fixed connection are kept away from to spring 33, and after the installation, briquetting 31 promotes the nut to the outside direction of sleeve 1, can easily take off nut and bolt from sleeve 1 for the construction rhythm improves the installation effectiveness.

The bottom of the inside of the groove 32 is provided with a sliding groove 35, the inside of the sliding groove 35 is connected with a sliding block 34 in a sliding mode, the sliding block 34 is fixedly connected with the bottom of the pressing block 31, the inner side wall of the groove 32 is provided with a material saving hole 55, and the inside and the outside of the groove 32 are ventilated while materials can be saved.

Clamping structure 4 includes draw-in groove 42, fixture block 41, card hole 43 and pin rod 44, the one end that is close to shell 2 at the sleeve 1 inside wall is seted up to draw-in groove 42, fixture block 41 fixed connection is on the lateral wall of bull stick 54, fixture block 41 joint is in the inside of draw-in groove 42, sleeve 1, fixture block 41 and bull stick 54 are run through to card hole 43, pin rod 44 is located the inside of card hole 43, detaches pin rod 44, can carry out quick replacement and have the sleeve 1 of corresponding model.

The outer side wall of the handle 6 is fixedly connected with a plurality of handle convex strips 61, the top end of the outer side wall of the handle 6 is provided with a bayonet button 71, and the driving motor 51, the switch button 71 and the power supply 7 are electrically connected with each other.

Specifically, when the invention is used, when bolts of different types need to be screwed, the pin rod 44 is taken out of the clamping hole 43, the sleeve 1 is pulled outwards to make the clamping block 41 fall off from the clamping groove 42, the sleeve 1 is taken off from the rotating rod 54, the sleeve 1 with the corresponding type is replaced, the sleeve 1 corresponds to the mounting end of the rotating rod 54 and slides in, so that the clamping block 41 is positioned in the clamping groove 42, finally the pin rod 44 is inserted into the clamping hole 43, namely the replacement is finished, after the sleeve 1 is sleeved outside the corresponding bolt, the driving motor 51 is started, so that the output end of the driving motor 51 drives the rotating rod 54 to rotate, so that the rotating rod 54 drives the sleeve 1 to rotate through the clamping mechanism, bolts of different types can be screwed, the application range is wider, when the rotating rod 54 rotates, the fan 8 can be simultaneously driven to rotate in the fan protective shell 21, external air is pulled through the air inlet hole 23, and air is continuously blown to the driving motor 51, can dispel the heat to driving motor 51 and cool down, avoid too high because of the motor temperature, and accelerate 2 internal drive structure 5's of shell ageing, when the construction, sleeve 1 screws up the bolt on the nut gradually, make the one end of nut insert sleeve 1's inside gradually, and promote briquetting 31 and pass through spout 35 and slider 34 and slide to the inside of recess 32, make spring 33 compressed, after the installation, only need loose to press to through handle 6 to electric spanner, make spring 33 receive self deformation outwards to stretch, promote briquetting 31 and slide to recess 32 outside, make briquetting 31 promote the nut to 1 outside direction of sleeve, thereby can easily take off nut and bolt from sleeve 1, moreover, the steam generator is simple in structure and convenient and practical, accelerate the construction rhythm, and the installation efficiency is improved.

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 utility model provides an insulating electric wrench, its characterized in that, includes sleeve (1), one side of sleeve (1) is equipped with shell (2), the inside of shell (2) is provided with drive structure (5), the bottom fixedly connected with handle (6) of shell (2), the bottom fixedly connected with power (7) of handle (6), the one end of drive structure (5) extends to the inside of sleeve (1) and is equipped with extending structure (3), be provided with clamping structure (4) on sleeve (1).

2. An insulated electric wrench according to claim 1, wherein the housing comprises (2) a motor protective shell (22) and a fan protective shell (21), the motor protective shell (22) is fixedly communicated with the fan protective shell (21), and the bottom of the motor protective shell (22) is fixedly connected with the handle (6).

3. An insulated electric wrench according to claim 2, characterised in that the drive structure (5) comprises a drive motor (51), a motor support bracket (52), a support block (53) and a turning rod (54), the motor support frame (52) is fixedly sleeved on the outer side wall of the driving motor (51), the outer side wall of the motor supporting frame (52) is fixedly connected with the inner side wall of the motor protecting shell (22), the supporting block (53) is fixedly connected on the inner side wall of the motor protective shell (22), the supporting block (53) is fixedly connected with the tail part of the driving motor (51), the output end of the driving motor (51) is fixedly connected with a rotating rod (54) through a coupler, one end of the rotating rod (54) far away from the driving motor (51) is connected to the inside of the sleeve (1) in a sliding way, the rotating rod (54) is rotatably connected with the fan protective shell (21) through a bearing.

4. The insulated electric wrench as claimed in claim 3, wherein the rotating rod (54) is fixedly connected with the fan (8) on the outer side wall of the fan protection shell (21), the side wall of the fan protection shell (21) is provided with a plurality of uniformly distributed air inlet holes (23), and the side wall of the motor protection shell (22) is provided with a plurality of uniformly distributed heat dissipation holes (24).

5. An insulated electric wrench according to claim 4, wherein the telescopic structure (3) comprises a pressing block (31), a groove (32) and a spring (33), the groove (32) is formed at one end of the rotating rod (54) far away from the driving motor (51), the pressing block (31) is slidably connected inside the groove (32), the spring (33) is fixedly connected to the inner side wall of the groove (32), and one end of the spring (33) far away from the driving motor (51) is fixedly connected with the pressing block (31).

6. The insulated electric wrench as claimed in claim 5, wherein a sliding groove (35) is formed at the bottom end inside the groove (32), a sliding block (34) is slidably connected inside the sliding groove (35), the sliding block (34) is fixedly connected with the bottom of the pressing block (31), and a material saving hole (55) is formed in the inner side wall of the groove (32).

7. The insulated electric wrench as claimed in claim 6, wherein the locking structure (4) comprises a locking groove (42), a locking block (41), a locking hole (43) and a pin rod (44), the locking groove (42) is provided at one end of the inner side wall of the sleeve (1) close to the housing (2), the locking block (41) is fixedly connected to the outer side wall of the rotating rod (54), the locking block (41) is locked inside the locking groove (42), the locking hole (43) penetrates through the sleeve (1), the locking block (41) and the rotating rod (54), and the pin rod (44) is located inside the locking hole (43).

8. The insulated electric wrench as claimed in claim 7, wherein a plurality of handle ribs (61) are fixedly connected to the outer side wall of the handle (6), a locking button (71) is arranged at the top end of the outer side wall of the handle (6), and the driving motor (51), the switching button (71) and the power supply (7) are electrically connected with each other.