CN218313228U

CN218313228U - Lithium electric wrench

Info

Publication number: CN218313228U
Application number: CN202221394670.2U
Authority: CN
Inventors: 凌杰
Original assignee: Zhejiang Yining Technology Co ltd
Current assignee: Zhejiang Yining Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-01-17
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a lithium electric spanner technical field's lithium electric spanner, which comprises a housing, the surface rear end of casing is equipped with heat dissipation mechanism, the interface has been seted up to the front end of casing, the upper surface of casing is seted up flutedly, the spacing groove of symmetry around being is seted up to the opening inner wall of recess, and the spacing groove is equipped with six altogether, the inner wall joint of recess has the top cap, the rubber block with the spacing groove adaptation is all installed at both ends around the top cap, a first catching groove has been seted up to a side of top cap, a side that first catching groove was kept away from to the top cap has seted up three second catching groove. Through seting up the recess at the casing top surface, can convenient to detach casing, look over the inside equipment of casing to the setting up of six spacing grooves and block rubber can make the installation of top cap have stability, and the installation of block rubber can make the casing when the vibration, has certain buffering shock attenuation nature to the top cap.

Description

Lithium electric wrench

Technical Field

The utility model relates to a lithium electricity spanner technical field especially relates to lithium electricity spanner.

Background

The lithium electric wrench is an electric tool for screwing and unscrewing the bolt and the nut, is a tool for screwing the high-strength bolt, and is used for initial screwing, final screwing and initial screwing of the torsional shear type high-strength bolt in the construction of the large-hexagon-head high-strength bolt installed in a steel structure bridge, a factory building, a chemical industry and a power generation device, and occasions with strict requirements on the torque or the axial force of a bolt fastener.

The installation of current lithium electric spanner aircraft nose department casing generally is the form with two casings of four at least bolts from the external connection, and is comparatively troublesome when dismantling the maintenance to expose for a long time outside the bolt can receive the damage, lithium electric spanner inside can be equipped with the motor in addition, the inside buckle that is suitable for the motor installation that does not are equipped with of casing, can receive the vibration when can making the device use, and make the motor shift, will make the motor fragile, we propose lithium electric spanner for this reason.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a lithium electric spanner has convenient to detach to have stable effect during the use.

The technical scheme of the utility model is that:

lithium electric spanner, which comprises a housing, the surface rear end of casing is equipped with heat dissipation mechanism, the interface has been seted up to the front end of casing, the upper surface of casing is seted up flutedly, the spacing groove of symmetry around being is seted up to the opening inner wall of recess, and the spacing groove is equipped with six altogether, the inner wall joint of recess has the top cap, the rubber block with the spacing groove adaptation is all installed at both ends around the top cap, a first catching groove has been seted up to a side of top cap, the side that first catching groove was kept away from to the top cap has seted up three second catching groove.

In a further technical scheme, the inside of casing has brushless motor through spacing subassembly joint, spacing subassembly is including fixing the first snap ring at casing inner wall middle part, a side fixed mounting of first snap ring has second snap ring and the third snap ring that is longitudinal symmetry, brushless motor's front end and a side of first snap ring laminate mutually, brushless motor's rear end is located between second snap ring and the third snap ring.

In a further technical scheme, the inner wall rear end of casing is equipped with the compression spring who closely laminates with the brushless motor rear end face, the draw-in groove has all been seted up with the opposite face of first snap ring to second snap ring and third snap ring, brushless motor's both ends are located the inner wall of draw-in groove.

In a further technical scheme, the casing includes rear end welded backshell, heat dissipation mechanism is located the surface of backshell, compression spring keeps away from brushless motor's one end and passes through the inside of connecting bolt fixed mounting at the casing, the inside that the surface center department that the backshell was run through to the casing is extended to the connecting bolt.

In a further technical scheme, the brushless motor is rotatably connected with the connector through a fixture block of the output end, the connector is located on the inner wall of the front end of the casing, and a supporting plate is fixedly mounted on the lower surface of the casing.

In a further technical scheme, the heat dissipation mechanism comprises a second heat dissipation hole which is arranged on the same horizontal plane with the casing, and the outer surface of the rear casing is provided with a first heat dissipation hole in a radial mode outwards along the center.

In a further technical scheme, the bottom fixed mounting of layer board has the handle, the surface of handle is equipped with the switch, the bottom fixedly connected with base of handle, the bottom surface fixed mounting of base has the battery case.

The utility model has the advantages that:

1. the casing can be conveniently detached through the groove formed in the top surface of the casing, equipment in the casing can be checked, the six limiting grooves and the rubber blocks can enable the top cover to be installed stably, and the rubber blocks can enable the casing to have certain buffering and shock absorption performance on the top cover when the casing vibrates;

2. be used for joint brushless motor through setting up spacing subassembly, can make brushless motor have stability when the installation is used, have certain location effect under the relative state that sets up of second snap ring and third snap ring and first snap ring.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of an assembly structure of a top cover according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a top cover according to an embodiment of the present invention;

fig. 4 is an assembly structure diagram of the spacing assembly of the embodiment of the present invention.

Description of reference numerals:

1. a housing; 101. a rear housing; 2. a heat dissipation mechanism; 201. a first heat dissipation hole; 202. a second heat dissipation hole; 3. an interface; 4. a groove; 5. a top cover; 6. a limiting groove; 7. a rubber block; 8. a first catching groove; 9. a second catching groove; 10. connecting a bolt; 11. a compression spring; 12. a limiting component; 121. a first snap ring; 122. a second snap ring; 123. a third snap ring; 124. a card slot; 13. a brushless motor; 14. a connector; 15. a clamping block; 16. a support plate; 17. a handle; 18. a switch; 19. a base; 20. a battery case.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example (b):

as shown in fig. 1-4, lithium electric wrench, including casing 1, the surface rear end of casing 1 is equipped with heat dissipation mechanism 2, interface 3 has been seted up to the front end of casing 1, casing 1's upper surface is seted up flutedly 4, the spacing groove 6 that is front and back symmetry is seted up to recess 4's opening inner wall, and spacing groove 6 is equipped with six altogether, recess 4's inner wall joint has top cap 5, rubber block 7 with spacing groove 6 adaptation is all installed at both ends around top cap 5, a first catching groove 8 has been seted up to a side of top cap 5, three second catching groove 9 has been seted up to a side that first catching groove 8 was kept away from to top cap 5.

The working principle of the above technical scheme is as follows:

firstly, a thumb is buckled on the first buckling groove 8, a forefinger, a middle finger and a third finger are buckled on the second buckling groove 9 respectively, then the top cover 5 is pulled up forcibly, the limiting groove 6 is separated from the notch of the rubber block 7, the groove 4 can be exposed, and during installation, the top cover 5 is pressed downwards opposite to the groove 4, so that the rubber block 7 is plugged into the limiting groove 6 to be clamped.

In another embodiment, as shown in fig. 3 and 4, the brushless motor 13 is clamped inside the housing 1 through the limiting component 12, the limiting component 12 includes a first snap ring 121 fixed at the middle of the inner wall of the housing 1, a second snap ring 122 and a third snap ring 123 are fixedly mounted on one side surface of the first snap ring 121, which are vertically symmetrical, the front end of the brushless motor 13 is attached to one side surface of the first snap ring 121, and the rear end of the brushless motor 13 is located between the second snap ring 122 and the third snap ring 123.

Firstly, the brushless motor 13 is inserted into the interior of the machine shell 1 from the open groove 4, the rear end of the brushless motor 13 is inclined downwards in the process, the tail part of the brushless motor 13 is inserted into one side surface of the second snap ring 122 and the third snap ring 123, then the other end of the brushless motor 13 is pressed downwards, the other end of the brushless motor 13 is clamped on one side surface of the first snap ring 121 facing the second snap ring 122, and finally the top cover 5 is covered.

In another embodiment, as shown in fig. 3, the rear end of the inner wall of the housing 1 is provided with a compression spring 11 closely attached to the rear end surface of the brushless motor 13, the opposite surfaces of the second snap ring 122 and the third snap ring 123 to the first snap ring 121 are both provided with a snap groove 124, and both ends of the brushless motor 13 are located on the inner wall of the snap groove 124.

The rear end of the brushless motor 13 is inclined downwards and inserted into the connecting head 14 on one side of the second snap ring 122 and the third snap ring 123, the rear end of the brushless motor 13 extrudes the compression spring 11 in the process, the rebound force of the compression spring 11 props against the brushless motor 13, and then the other end of the brushless motor 13 is pressed downwards to be clamped in the snap groove 124 on one side of the first snap ring 121 facing the second snap ring 122.

In another embodiment, as shown in fig. 1 and 2, the housing 1 includes a rear case 101 with a welded rear end, the heat dissipation mechanism 2 is located on an outer surface of the rear case 101, an end of the compression spring 11 away from the brushless motor 13 is fixedly mounted inside the housing 1 by a connection bolt 10, and the connection bolt 10 extends through a center of the outer surface of the rear case 101 to the inside of the housing 1.

The compression spring 11 is convenient to be fixedly installed, and the surface of the machine shell 1 at the brushless motor 13 has heat dissipation performance.

In another embodiment, as shown in fig. 4, the brushless motor 13 is rotatably connected to the connector 14 through a latch 15 at the output end, the connector 14 is located on the inner wall of the front end of the housing 1, and a support plate 16 is fixedly mounted on the lower surface of the housing 1.

When the connection wrench is inserted into the insertion port 3 and connected with the connector 14, the brushless motor 13 can be driven to be normally used.

In another embodiment, as shown in fig. 2, the heat dissipation mechanism 2 includes a second heat dissipation hole 202 formed at the same level with the casing 1, and a first heat dissipation hole 201 is radially formed along the outer surface of the rear casing 101.

The heat radiation surface to which the brushless motor 13 is subjected can be made wider.

In another embodiment, as shown in fig. 1, a handle 17 is fixedly mounted at the bottom end of the supporting plate 16, a switch 18 is disposed on the outer surface of the handle 17, a base 19 is fixedly connected to the bottom end of the handle 17, and a battery box 20 is fixedly mounted on the bottom surface of the base 19. So that the device can be normally used.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. Lithium electricity spanner, including casing (1), its characterized in that: the utility model discloses a quick-witted shell, including casing (1), socket (3), upper surface of casing (1), recess (4), spacing groove (6) that are the front and back symmetry are seted up to the opening inner wall of recess (4), and spacing groove (6) are equipped with six altogether, the inner wall joint of recess (4) has top cap (5), rubber block (7) with spacing groove (6) adaptation are all installed at both ends around top cap (5), a first catching groove (8) have been seted up to a side of top cap (5), three second catching groove (9) have been seted up to a side that first catching groove (8) were kept away from in top cap (5).

2. The lithium electric wrench of claim 1, characterized in that: the inside of casing (1) has brushless motor (13) through spacing subassembly (12) joint, spacing subassembly (12) are including fixing first snap ring (121) at casing (1) inner wall middle part, a side fixed mounting of first snap ring (121) has second snap ring (122) and third snap ring (123) that are longitudinal symmetry, the front end of brushless motor (13) is laminated with a side of first snap ring (121) mutually, the rear end of brushless motor (13) is located between second snap ring (122) and third snap ring (123).

3. The lithium electric wrench of claim 2, characterized in that: the inner wall rear end of casing (1) is equipped with compression spring (11) with brushless motor (13) rear end face inseparable laminating, draw-in groove (124) have all been seted up with the opposite face of first snap ring (121) in second snap ring (122) and third snap ring (123), the both ends of brushless motor (13) are located the inner wall of draw-in groove (124).

4. A lithium electric wrench as claimed in claim 3, further comprising: casing (1) includes rear end welded backshell (101), heat dissipation mechanism (2) are located the surface of backshell (101), the one end that brushless motor (13) were kept away from in compression spring (11) is through connecting bolt (10) fixed mounting in the inside of casing (1), connect bolt (10) to run through the surface center department of backshell (101) and extend to the inside of casing (1).

5. The lithium electric wrench of claim 2, characterized in that: brushless motor (13) rotate with connector (14) through fixture block (15) of output and are connected, and connector (14) are located the front end inner wall of casing (1), the lower fixed surface of casing (1) installs layer board (16).

6. A lithium electric wrench as claimed in claim 1, further comprising: the heat dissipation mechanism (2) comprises a second heat dissipation hole (202) which is arranged on the same horizontal plane with the casing (1), and a first heat dissipation hole (201) is radially arranged on the outer surface of the rear casing (101) along the center.

7. A lithium electric wrench as claimed in claim 5, further comprising: the bottom fixed mounting of layer board (16) has handle (17), the surface of handle (17) is equipped with switch (18), the bottom fixedly connected with base (19) of handle (17), the bottom surface fixed mounting of base (19) has battery case (20).