CN219685356U - Explosion-proof electric ratchet wrench - Google Patents

Abstract

The utility model discloses an explosion-proof electric ratchet wrench, which is characterized in that the structural strength of a shell is improved, the requirement on the volume of the shell is reduced, the torque transmission strength of a control switch is improved, the explosion-proof electric ratchet wrench comprises the control switch, a control trigger arranged on the control switch, a motor shell for placing a motor and a shell for placing a battery pack, wherein the front end of the motor shell extends out of a ratchet head, a supporting structure for supporting the control switch is arranged in the shell, a control hole for extending out of the control trigger is formed in the shell, the supporting structure comprises a supporting groove fixedly connected with the inner wall of the shell, a plurality of supporting vertical ribs arranged on the inner wall of the supporting groove, the control switch is embedded in the supporting groove, a plurality of supporting vertical grooves are formed in the shell of the control switch, and the supporting vertical ribs are embedded in the supporting vertical grooves in a one-to-one correspondence mode.

Description

Explosion-proof electric ratchet wrench

Technical Field

The utility model relates to the technical field of explosion-proof electric ratchet wrenches, in particular to an explosion-proof electric ratchet wrench.

Background

The electric spanner replaces manual screwing and unscrewing of bolts and nuts in an electric driving mode, is a tool for improving working efficiency and comprises a single-head double-head multi-specification movable handle ratchet ring spanner (fixing hole).

The prior explosion-proof electric ratchet wrench has the structure that an operation switch on a shell is fixed on the shell through a rotating shaft. In the use, because the support position of control switch is comparatively fragile, the torque transmission intensity is not enough, takes place to damage easily. And because the setting of control switch needs to carry out the trompil, needs to increase the volume of casing, produces adverse effect to the structural strength of casing simultaneously.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an explosion-proof electric ratchet wrench, which is to improve the structural strength of a shell, reduce the requirement on the volume of the shell and improve the torque transmission strength of a control switch.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides an explosion-proof electronic ratchet spanner, includes control the switch, is located control the trigger on the switch, is used for placing the motor housing of motor and is used for placing the casing of battery package, the ratchet head is extended to motor housing's front end, be equipped with the bearing structure who is used for supporting control the switch in the casing, have the control hole that supplies controlling the trigger to stretch out on the casing, bearing structure includes with casing inner wall fixed connection's supporting groove, a plurality of support vertical bars that are located the supporting groove inner wall, control the switch inlay locate in the supporting groove, and be equipped with a plurality of supports vertical grooves on control the casing of switch, each support vertical bar one-to-one inlays locates each support vertical inslot.

Furthermore, a connecting ring for being embedded into the shell is arranged at one end of the motor shell facing the shell, a cushion block is arranged between the supporting groove and the shell, and the cushion block is fixedly connected with the supporting groove and the shell;

the end face of the connecting ring is provided with a clamping groove for sleeving the cushion block.

Further, the two sides of the cushion block are respectively provided with a linear groove, and the inner wall of the clamping groove is in butt joint with the inner wall of the linear groove.

Further, a connecting shaft is arranged between the control switch and the control trigger, a support bearing is embedded in the control hole, and the connecting shaft is connected with the support bearing.

Further, the support bearing is a cylindrical roller bearing or a double-row cylindrical roller bearing or a radial bearing or a needle bearing.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the structural design of the installation position of the control switch, the torque transmission strength of the control switch is enhanced, and simultaneously through the structural design of the motor shell, the structural strength of the joint of the motor shell and the shell is enhanced, and the requirement on the shell volume is reduced through the plug-in connection mode.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of the inside of a part of the present embodiment;

fig. 3 is a schematic view of the structure of the supporting groove in the present embodiment.

In the figure: 1. a control switch; 2. controlling a trigger; 3. a connecting shaft; 4. a support bearing; 5. a motor housing; 51. a connecting ring; 52. a clamping groove; 6. a housing; 7. a support groove; 71. supporting the vertical groove; 8. a cushion block; 81. a linear groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, an explosion-proof electric ratchet wrench mainly comprises a control switch 1, a control trigger 2 positioned on the control switch 1, a motor housing 5 for placing a motor, and a casing 6 for placing a battery pack, wherein the front end of the motor housing 5 extends out of a ratchet head. The casing 6 is provided with an operating hole for the operating trigger 2 to extend.

In order to improve the torque transmission strength of the operation switch 1, the present embodiment provides a support structure for supporting the operation switch 1 in the housing 6. Specifically, including with casing 6 inner wall fixed connection's supporting groove 7, a plurality of support vertical bars that are located supporting groove 7 inner wall, through inlay control switch 1 in locating supporting groove 7, realize controlling switch 1's location and fixed, when controlling the spanner and turning to extreme position, can not make easily that control switch 1 takes place the displacement. Meanwhile, a plurality of supporting vertical grooves 71 are also arranged on the shell of the control switch 1, and the supporting vertical ribs are embedded in the supporting vertical grooves 71 in a one-to-one correspondence manner. The contact area between the supporting groove 7 and the control switch 1 can be increased, the connection strength is higher, meanwhile, the position of each supporting vertical groove 71 is modified, and the fool-proof design can be made during installation, so that the error of the installation position is avoided.

In order to improve the structural strength of the joint of the motor housing 5 and the casing 6 and reduce the volume, the embodiment is provided with a connecting ring 51 which is embedded into the casing 6 at one end of the motor housing 5 facing the casing 6, the connecting ring 51 can be used for accommodating the supporting groove 7 and the control switch 1, a cushion block 8 is arranged between the supporting groove 7 and the casing 6, the cushion block 8 is fixedly connected with the supporting groove 7 and the casing 6, and the problem of shape mismatch between the bottom of the control switch 1 and the inner wall of the casing 6 is solved. Then be equipped with the joint groove 52 that is used for emboliaing cushion 8 on the terminal surface of go-between 51, realize motor housing 5 and the connection of casing 6, the motor is installed in motor housing 5, through the mode of both ends casing grafting, has both reduced the volume, guaranteed the structural strength of junction again, this department accessible detachable fastener connection cooperation.

In addition, in order to improve the stability of the plugging, in this embodiment, the two sides of the cushion block 8 are provided with the linear grooves 81, the inner walls of the clamping grooves 52 can slightly extend and protrude, and the clamping grooves 81 are clamped into the linear grooves 81 to be abutted against the inner walls of the linear grooves 81, so that the motor housing 5 and the casing 6 are prevented from shaking, and the stability is improved.

Because the connecting shaft 3 is arranged between the control switch 1 and the control trigger 2, the control trigger 2 is convenient to extend out of the shell, the support bearing 4 is embedded on the control hole in the embodiment, and the connecting shaft 3 is connected with the support bearing 4. The connecting shaft 3 and the control trigger 2 can be guaranteed to twist normally through the support bearing 4, and meanwhile, the radial force generated in the twisting process of the connecting shaft 3 and the control trigger 2 is adjusted downwards, so that the deflection phenomenon of the connecting groove or the control trigger 2 in use is reduced, the service life is prolonged, and the torque transmission strength is enhanced. Therefore, the support bearing 4 of the present embodiment may be a cylindrical roller bearing or a double-row cylindrical roller bearing or a radial bearing or a needle bearing or the like capable of providing radial force support.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (5)

1. The utility model provides an explosion-proof electronic ratchet spanner, is including controlling switch (1), being located control trigger (2) on controlling switch (1), be used for placing motor housing (5) of motor and be used for placing casing (6) of battery package, the ratchet head is extended to the front end of motor housing (5), be equipped with the bearing structure who is used for supporting control switch (1) in casing (6), have on casing (6) and supply to control the control hole that trigger (2) stretched out, its characterized in that: the supporting structure comprises a supporting groove (7) fixedly connected with the inner wall of the shell (6), and a plurality of supporting vertical ribs positioned on the inner wall of the supporting groove (7), wherein the control switch (1) is embedded in the supporting groove (7), and a plurality of supporting vertical grooves (71) are formed in the shell of the control switch (1), and the supporting vertical ribs are embedded in the supporting vertical grooves (71) in a one-to-one correspondence manner.

2. An explosion-proof electric ratchet wrench as claimed in claim 1, wherein: one end of the motor shell (5) facing the machine shell (6) is provided with a connecting ring (51) for being embedded into the machine shell (6), a cushion block (8) is arranged between the supporting groove (7) and the machine shell (6), and the cushion block (8) is fixedly connected with the supporting groove (7) and the machine shell (6);

the end face of the connecting ring (51) is provided with a clamping groove (52) for sleeving the cushion block (8).

3. An explosion-proof electric ratchet wrench as claimed in claim 2, wherein: both sides of the cushion block (8) are provided with linear grooves (81), and the inner wall of the clamping groove (52) is abutted with the inner wall of the linear grooves (81).

4. An explosion-proof electric ratchet wrench as claimed in claim 1, 2 or 3, wherein: a connecting shaft (3) is arranged between the control switch (1) and the control trigger (2), a support bearing (4) is embedded in the control hole, and the connecting shaft (3) is connected with the support bearing (4).

5. An explosion-proof electric ratchet wrench as claimed in claim 4, wherein: the support bearing (4) is a cylindrical roller bearing or a double-row cylindrical roller bearing or a radial bearing or a needle bearing.