CN215906662U - Blowing and sucking machine with static electricity discharging function - Google Patents

Abstract

The utility model provides a blowing and sucking machine with a static electricity discharge function, and belongs to the field of cleaning tools. This suction machine includes: the fan comprises a shell, fan blades and a motor, wherein the shell is provided with an air suction opening, an air blowing opening, a first handle and a second handle; the fan blade is arranged in the shell and used for sucking air flow from the air suction port and discharging the air flow from the air blowing port; the motor provides power for the fan blades; the first handle is provided with a first conductor which is exposed out of the surface of the first handle and is contacted with the hand of an operator in the blowing operation process, the second handle is provided with a second conductor which is exposed out of the surface of the second handle and is contacted with the hand of the operator in the air suction operation process, and the first conductor and the second conductor are both electrically connected with a grounding wire of the motor. The blowing and sucking machine can transfer static charges no matter in blowing operation or air suction operation, can reduce the accumulation of the static charges, and can effectively improve the problem that the static charges of the existing blowing and sucking machine cannot be discharged in time.

Description

Blowing and sucking machine with static electricity discharging function

Technical Field

The utility model relates to the field of cleaning tools, in particular to a blowing and sucking machine with a static electricity discharging function.

Background

The blowing and sucking machine is a common electric tool for outdoor cleaning, and is mainly used for cleaning and collecting fallen leaves. The blowing and sucking machine blows leaves on the ground by blowing or sucks the leaves into a dust collecting bag by air suction. When the blowing and sucking machine works, dust in the air can rub with the fan blades in the fan blades and generate static charges, the static charges are transmitted to the motor through the motor shaft, the safety of the motor and the control panel is seriously affected, the static electricity discharge treatment mode of the existing blowing and sucking machine is simple, for example, the fan blades made of antistatic materials and the like can reduce the generation of the static charges, but a small amount of generated static charges cannot be effectively discharged, and the safety of the motor and the control panel can be threatened due to long-term accumulation, so that the blowing and sucking machine with the static electricity discharge function needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, the present invention provides a suction blower with a function of discharging static electricity, so as to solve the problem that static electricity cannot be discharged in time in the conventional suction blower.

In order to achieve the above objects and other related objects, the present invention provides a blowing and sucking machine with electrostatic discharge function, including: the fan comprises a shell, fan blades and a motor, wherein the shell is provided with an air suction opening, an air blowing opening, a first handle and a second handle; the fan blade is arranged in the shell and used for sucking air flow from the air suction port and discharging the air flow from the air blowing port; the motor provides power for the fan blades; the first handle is provided with a first conductor which is exposed out of the surface of the first handle and is contacted with the hand of an operator in the blowing operation process, the second handle is provided with a second conductor which is exposed out of the surface of the second handle and is contacted with the hand of the operator in the air suction operation process, and the first conductor and the second conductor are both electrically connected with a grounding wire of the motor.

In one example of the utility model, the first electrical conductor and/or the second electrical conductor extend along an outer surface of the corresponding handle and are mounted at both ends to an interior of the housing of the corresponding handle.

In an example of the present invention, the first conductor and/or the second conductor are further provided with a bent structure recessed into the corresponding handle.

In an example of the present invention, the first handle and/or the second handle includes a first handle half shell and a second handle half shell that are fastened together, the first handle half shell is provided with a first notch and a second notch, the bending structure is disposed in the first handle half shell, and two sides of the bending structure are respectively clamped into the first notch and the second notch.

In an example of the present invention, the grounding wire of the motor is correspondingly connected to the bent structure.

In one example of the present invention, the bend structure is an arc bend.

In an example of the present invention, the first conductor and/or the second conductor is a conductive wire, a jack is disposed in the corresponding first handle and/or the second handle, and two ends of the conductive wire are inserted into the corresponding jacks.

In an example of the present invention, the blowing and sucking machine further includes a dust bag, the dust bag is detachably mounted on the air blowing opening, and a dust bag static electricity discharging structure is disposed between the dust bag and the air blowing opening.

In one example of the present invention, the dust bag static electricity discharge structure includes a first conductive structure provided on the air blowing opening and a second conductive structure provided on the dust bag, the first conductive structure being electrically connected to a ground line of the motor, the first conductive structure being electrically connected to the second conductive structure when the dust bag is mounted to the air blowing opening.

In an example of the present invention, a mounting groove is provided on a wall body of one side of the air blowing port, the first conductive structure is mounted to the mounting groove, and an opening into which the second conductive structure is inserted is provided on a wall body of the mounting groove.

In an example of the present invention, the first conductive structure includes a fixed conductive body mounted on the housing of the air blowing port, a sliding conductive body mounted on the housing and reciprocally sliding in an axial direction of the air blowing port, and a conductive elastic member disposed between the fixed conductive body and the sliding conductive body and having both ends abutting against the fixed conductive body and the sliding conductive body, respectively.

In an example of the present invention, the second conductive structure further includes an electric connector fixedly mounted on the mounting bracket of the dust bag and pressed against the sliding conductive body when the dust bag is mounted to the air blowing port.

In an example of the present invention, the second conductive structure further includes a discharge body extending into the dust bag, and the discharge body is electrically connected to the electrical connector.

In an example of the present invention, the conductive elastic member includes a spring made of a conductive material, and a spring seat is provided on the fixed conductor and/or the sliding conductor, and both ends of the spring are mounted on the spring seat.

In one example of the utility model, the spring seat includes a mounting post that mates with the spring bore or a groove that mates with the spring outer diameter.

The blowing and sucking machine with the static electricity discharge function is provided with the electric conductors which are contacted with the hands of operators on the first handle and the second handle, so that static electricity can be transferred through a human body in blowing operation and air suction operation, the accumulation of the static electricity can be reduced, the damage to a motor and a control panel when the static electricity is accumulated too much can be prevented, and the discomfort caused by the large-current discharge of the blowing and sucking machine and the operators when the static electricity is accumulated too much can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of an embodiment of the present invention with a portion of the housing removed;

FIG. 2 is an enlarged view of a portion of the area I in FIG. 1;

FIG. 3 is an enlarged view of a portion of region II of FIG. 1;

FIG. 4 is an enlarged view of a portion of the area III in FIG. 1;

FIG. 5 is a schematic three-dimensional view of an embodiment of the present invention with a portion of the housing removed;

FIG. 6 is a diagram of the structure of a second electrical conductor in one embodiment of the utility model;

FIG. 7 is a block diagram of a first electrical conductor in one embodiment of the utility model;

FIG. 8 is a structural diagram of a dust bag structure for discharging static electricity according to an embodiment of the present invention;

fig. 9 is a partial schematic view of a dust bag and a dust bag mounting bracket according to an embodiment of the present invention;

FIG. 10 is a three-dimensional view of a dust bag and a dust bag holder according to an embodiment of the present invention;

FIG. 11 is an enlarged view of the area IV in FIG. 10;

fig. 12 is a structural diagram of a second conductive structure according to an embodiment of the utility model.

Description of the element reference numerals

100. A housing; 101. an air suction opening; 102. an air blowing port; 103. mounting grooves; 110. a first handle; 111. A first handle half shell; 1111/1114, a first receptacle; 1112. a first notch; 1113. a second notch; 120. a second handle; 121. a second handle half shell; 1211/1214, a second receptacle; 1212. a third notch; 1213. a fourth notch; 130. locking; 200. a fan blade; 300. a motor; 301. a first ground line; 302. a second ground line; 303. a third ground line; 400. a control panel; 500. a first electrical conductor; 501. A first bending structure; 600. a second electrical conductor; 601. a second bending structure; 700. the dust bag discharges the static structure; 710. a first conductive structure; 711. fixing the conductor; 7111. mounting a column; 712. a conductive elastic member; 713. a sliding conductor; 720. a second conductive structure; 721. an electrical connector; 722. a screw; 723. A discharge body; 7231. a discharge ring; 800. a dust collection bag; 810. a mounting bracket for a dust bag; 811. and (5) locking.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description only, and are not intended to limit the scope of the utility model, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Referring to fig. 1 to 12, the present invention provides a suction blower with a function of discharging static electricity, which can transfer static electricity from a device to the body of an operator on line during the operation process, thereby not only improving the problem that static electricity cannot be discharged in time in the existing suction blower, but also reducing the discharge phenomenon between the suction blower and the operator.

Referring to fig. 1 to 3, the blower/suction unit includes: the fan comprises a shell 100, fan blades 200, a control panel 400 and a motor 300, wherein the shell 100 can be formed by combining a plurality of shells, and the shell 100 is provided with an air suction opening 101, an air blowing opening 102, a first handle 110 and a second handle 120; the air suction opening 101 can be provided with an air suction pipe assembly, the air blowing opening 102 can be provided with a dust bag 800 or an air blowing pipe assembly, the first handle 110 is used for the blowing and sucking machine to grasp during blowing operation, the second handle 120 is used for the blowing and sucking machine to grasp during air suction operation, and the motor 300 is arranged in the shell 100 and directly or indirectly provides power for the fan blade 200; the fan blade 200 is arranged in the casing 100 and is driven by the motor 300 to rotate, so that the air flow is sucked from the air suction opening 101 and discharged from the air blowing opening 102; the first handle 110 is provided with a first conductor 500 which is exposed out of the surface of the first handle 110 and contacts with the hand of the operator in the blowing operation process, the second handle 120 is provided with a second conductor 600 which is exposed out of the surface of the second handle 120 and contacts with the hand of the operator in the suction operation process, the first conductor 500 is electrically connected with a first grounding wire 301 of the motor 300, and the second conductors 600 are electrically connected with a second grounding wire 302 of the motor 300.

In the present invention, the first conductor 500 and the second conductor 600 may be any suitable material capable of achieving electrical conduction, for example, common materials such as copper, steel, aluminum, etc., and the structure and the installation manner may be various, for example, a sheet structure embedded in the outer surface of the handle or a ring structure arranged around the outer surface of the handle, or a metal shell 100 entirely covering the outer surface of the handle, etc., in an example of the present invention, the first conductor 500 is a conductive wire, a first insertion hole 1111 and a first insertion hole 1114 are arranged in the first handle 110, the first conductor 500 extends along the surface of the first handle 110, and two ends of the first conductor are respectively inserted into the first insertion hole 1111 and the first insertion hole 1114. The second conductive body 600 is also a conductive wire, a second insertion hole 1211 and a second insertion hole 1214 are formed in the second handle 120, the second conductive body 600 extends along the outer surface of the second handle 120, and both ends of the second conductive body are installed in the second insertion hole 1211 and the second insertion hole 1214 in the interior of the housing 100 of the second handle 120. In another embodiment, the first electrical conductor 500 is a conductive filament extending along the outer surface of the first handle 110 and mounted at both ends to the interior of the housing 100 of the first handle 110, and the second electrical conductor 600 is of other conventional construction and mounting. In yet another embodiment, the second conductor 600 is a conductive wire extending along the outer surface of the second handle 120 and mounted at both ends to the interior of the housing 100 of the second handle 120, and the first conductor 500 is of other conventional construction and mounting means.

Referring to fig. 2 and 3, in an example of the present invention, the first conductor 500 is provided with a first bending structure 501 recessed into the first handle 110, the second conductor 600 is provided with a second bending structure 601 recessed into the second handle 120, and the bending structures are recessed into the handles, so that the corresponding first conductor 500 or second conductor 600 can be prevented from being deformed for a long time, and thus, the first conductor 500 or second conductor 600 is not attached to the handles, and the comfort level of the operator in holding the handles can be improved. The number and form of the bent structure are not limited, and may be a plurality of continuous bent portions, or may be only one bent portion, as long as the bent portion can be recessed into the handle to hold the first conductor 500 or the second conductor 600 in contact with the handle.

Referring to fig. 1 to 3, in consideration of the installation of the first conductor 500 on the first handle 110, the installation of the second conductor 600 on the second handle 120, and the assembly requirements of the whole housing 100, in an example of the present invention, the housing 100 includes a first housing (not shown) and a second housing (not shown) that are fastened together to form a corresponding host housing and a first handle 110 and a second handle 120 that are integrated with the host housing, the fastening surfaces of the first housing and the second housing divide the first handle 110 into two first handle half-shells 111, and divide the second handle 120 into two second handle half-shells 121, wherein a first notch 1112 and a second notch 1113 are disposed on the first handle half-shell 111, the first bending structure 501 is disposed in the first handle half-shell 111, and both sides thereof are respectively fastened into the first notch 1112 and the second notch 1113, a further first handle half-shell (not shown) is correspondingly snapped onto the first handle half-shell 111 in order to close off the openings of the first and second indentations 1112, 1113. One of the two second handle half shells 121 is provided with a third gap 1212 and a fourth gap 1213, the second bending structure 601 is disposed in the second handle half shell 121, and two sides of the second bending structure are respectively clamped into the third gap 1212 and the fourth gap 1213, and the other second handle half shell 121 is correspondingly clamped on the second handle half shell 121 so as to close the openings of the third gap 1212 and the fourth gap 1213.

In the present invention, the connection position between the first grounding wire 301 and the first conductor 500 and the connection position between the second grounding wire 302 and the second conductor 600 are not limited, for example, two ends or any other positions of the first conductor 500 and/or the second conductor 600 may be used, and in consideration of the connection reliability, in an example of the present invention, the first grounding wire 301 of the motor 300 is correspondingly connected to the first bending structure 501, and the second grounding wire 302 of the motor 300 is correspondingly connected to the second bending structure 601. The bent portion can form a buffer in the process of moving or vibrating the exposed first conductor 500 or second conductor 600, so as to reduce the damage of the vibration of the exposed first conductor 500 or second conductor 600 to the ground connection point. The connection mode of the grounding wire on the bent structure includes but is not limited to welding, winding, bolt connection and the like.

The shape of the bending structure in the present invention may be various, such as an ellipse, a rectangle, or a star, but considering the bending process and the cost, please refer to fig. 6 and 7, in an example of the present invention, the first bending structure and the second bending structure are both arc-shaped bends, and considering the effect of the arc-shaped bends, the arc-shaped bends are preferably a major arc or a half arc, and the major arc and the half arc have a larger bending circumference under the condition of the same diameter, and have higher elasticity, so as to not only better reduce the impact of the vibration on the ground wire connection position, but also better provide sufficient elastic acting force for the first conductor 500 or the second conductor 600 exposed at both sides, and better prevent the first conductor 500 and the second conductor 600 from sagging from the handle.

Referring to fig. 8 to 11, the blowing and sucking machine of the present invention may also adopt other dust collecting bags 800 with other additional configurations, but considering that the additional configurations are inconvenient to mount and dock, in an example of the present invention, the blowing and sucking machine further includes a dust collecting bag 800, the dust collecting bag 800 is detachably mounted on the air blowing opening 102, and a dust collecting bag electrostatic discharge structure 700 capable of transferring electrostatic charges on the motor 300 to dust in the dust collecting bag 800 is disposed between the dust collecting bag 800 and the air blowing opening 102.

The electrostatic discharge structure 700 of the dust bag in the present invention may be any suitable structure capable of introducing the third ground wire 303 of the motor 300 into the dust bag 800, for example, directly extending the ground wire of the motor 300 into the dust bag 800, considering that the dust bag 800 is only required for air suction operation, referring to fig. 4, in an example of the present invention, the electrostatic discharge structure 700 of the dust bag includes a first conductive structure 710 disposed on the air blowing opening 102 and a second conductive structure 720 disposed on the dust bag 800, the wall body on one side of the air blowing opening 102 is provided with the mounting groove 103, and the first conductive structure 710 is mounted to the mounting groove 103 and electrically connected to the ground wire of the motor 300. An opening for inserting the second conductive structure 720 is provided on the wall of the mounting groove 103. When the dust bag 800 is mounted to the air blowing opening 102, the second conductive structure 720 protrudes from the opening into the housing 100, and the first conductive structure 710 is electrically connected.

Referring to fig. 4, 8 and 9, considering that the conventional dust bag 800 is mounted on the air blowing port 102 through the insertion structure and the locking buckle 811, in an example of the present invention, the first conductive structure 710 includes a fixed conductor 711, a sliding conductor 713 and a conductive elastic member 712, the fixed conductor 711 is mounted on the housing 100 of the air blowing port 102, the sliding conductor 713 is mounted on the housing 100 and slides back and forth along the axial direction of the air blowing port 102, and the conductive elastic member 712 is disposed between the fixed conductor 711 and the sliding conductor 713, and two ends of the conductive elastic member respectively abut against the fixed conductor 711 and the sliding conductor 713. When the air inlet of the dust bag 800 needs to be inserted into the air blowing port 102, the air inlet of the dust bag 800 is aligned with the air blowing port 102 of the blowing and sucking machine, the second conductive structure 720 is aligned with the opening, the second conductive structure 720 extends into the shell 100 in the insertion process, and the sliding conductive body 713 is extruded to compress the conductive elastic member 712, so that the structure not only can meet the axial distance required by the insertion of the dust bag 800 and the air blowing port 102, but also can ensure that the first conductive structure 710 is tightly contacted with the second conductive structure 720.

The conductive elastic member 712 in the present invention can be any elastic member made of missile material, such as: a spring plate or a bending plate with elastic compression function, etc. Referring to fig. 8, in an example of the present invention, the conductive elastic member 712 includes a spring made of a conductive material, and in order to ensure reliable contact between the conductive elastic member 712 and the fixed conductor 711 and the sliding conductor 713, spring seats are disposed on the fixed conductor 711 and the sliding conductor 713, and two ends of the spring are mounted on the spring seats. Of course, in some other embodiments, a spring seat may be provided only on fixed conductor 711 or sliding conductor 713, taking into account the compression characteristics of the spring.

The spring seat can be any structure that can allow the spring to be stably mounted, such as a groove, and referring to fig. 8, in an example of the utility model, the spring seat includes a mounting post 7111 that fits the inner bore of the spring or a groove that fits the outer diameter of the spring. For example, the sliding conductor 713 and the fixed conductor 711 are both provided with mounting posts 7111 matched with the inner holes of the springs, or the sliding conductor 713 and the fixed conductor 711 are both provided with grooves matched with the outer diameters of the springs, in consideration of the compression and size optimization of the springs in the moving process, in an example of the utility model, the fixed conductor 711 is provided with the mounting posts 7111, the mounting posts 7111 are inserted into the inner holes of the springs in an interference manner, the sliding conductor 713 is provided with the grooves, the shapes and sizes of the inner holes of the grooves are matched with the outer diameters of the springs, and the springs are inserted into the inner holes of the grooves, so that the grooves can accommodate the extending mounting posts 7111 and the springs in the spring compression process, and the axial size can be reduced. Of course, in other configurations, fixed conductor 711 may have a recess and sliding conductor 713 may have mounting post 7111.

In order to ensure that the electrostatic charge can be sufficiently transferred to the dust in the dust bag 800, referring to fig. 10 to 12, in an example of the present invention, the second conductive structure 720 further comprises an electrical connector 721 and a discharging body 723 protruding into the dust bag 800, the electrical connector 721 is fixedly mounted on the mounting bracket 810 of the dust bag and protrudes into the opening to press against the sliding conductor 713 when the dust bag 800 is mounted on the air outlet 102. The discharging body 723 is a copper strip fixed on the electrical connector 721 through a screw 722, and in order to achieve better discharging and prevent the copper strip from damaging the dust bag 800, a discharging ring 7231 is disposed at one end of the copper strip extending into the dust bag 800.

The blowing and sucking machine with the static electricity discharge function is provided with the electric conductors which are contacted with the hands of operators on the first handle and the second handle, so that static electricity can be transferred through a human body in blowing operation and air suction operation, the accumulation of the static electricity can be reduced, the damage to a motor and a control panel when the static electricity is accumulated too much can be prevented, and the discomfort caused by the large-current discharge of the blowing and sucking machine and the operators when the static electricity is accumulated too much can be reduced. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (14)

1. The utility model provides a suction machine with arrange static function which characterized in that includes:

the shell is provided with an air suction opening, an air blowing opening, a first handle and a second handle;

the fan blade is arranged in the shell and used for sucking air flow from the air suction port and discharging the air flow from the air blowing port;

the motor provides power for the fan blades;

the first handle is provided with a first conductor which is exposed out of the surface of the first handle and is contacted with the hand of an operator in the blowing operation process, the second handle is provided with a second conductor which is exposed out of the surface of the second handle and is contacted with the hand of the operator in the air suction operation process, and the first conductor and the second conductor are both electrically connected with a grounding wire of the motor.

2. The suction blower of claim 1, wherein the first and/or second electrical conductors extend along an outer surface of the respective handle and are mounted at both ends to an interior of the housing of the respective handle.

3. The blowing and sucking machine of claim 1, wherein the first conductor and/or the second conductor are further provided with a bent structure recessed inside the corresponding handle.

4. The blowing and sucking machine of claim 3, wherein the first handle half shell and the second handle half shell are fastened together, the first handle half shell is provided with a first notch and a second notch, the bending structure is disposed in the first handle half shell, and two sides of the bending structure are respectively clamped into the first notch and the second notch.

5. The suction blower of claim 3, wherein the ground wire of the motor is correspondingly connected to the bent structure, and the bent structure is an arc-shaped bend.

6. The suction blower according to claim 1, wherein the first conductor and/or the second conductor are/is a conductive filament, a jack is provided in the corresponding first handle and/or the second handle, and both ends of the conductive filament are inserted into the corresponding jacks.

7. The blowing and sucking machine of claim 1, further comprising a dust bag detachably mounted on the blowing port, wherein a dust bag static electricity discharging structure is disposed between the dust bag and the blowing port.

8. The suction blower of claim 7, wherein the dust bag static electricity discharge structure includes a first conductive structure disposed on the air blowing opening and a second conductive structure disposed on the dust bag, the first conductive structure being electrically connected to a ground line of the motor, the first conductive structure being electrically connected to the second conductive structure when the dust bag is mounted on the air blowing opening.

9. The suction machine according to claim 8, wherein a mounting groove is provided on a wall of one side of the blowing port, the first conductive structure is mounted to the mounting groove, and an opening into which the second conductive structure is inserted is provided on a wall of the mounting groove.

10. The suction blower according to claim 8, wherein the first conductive structure includes a fixed conductor, a sliding conductor, and a conductive elastic member, the fixed conductor is mounted on the housing of the air blowing port, the sliding conductor is mounted on the housing and slides back and forth along the axis of the air blowing port, and the conductive elastic member is disposed between the fixed conductor and the sliding conductor, and both ends of the conductive elastic member respectively abut against the fixed conductor and the sliding conductor.

11. The suction blower of claim 10, wherein the second conductive structure further comprises an electrical contact fixedly mounted to a mounting bracket of the dust bag and pressed against the sliding electrical conductor when the dust bag is mounted to the air outlet.

12. The suction blower of claim 11, wherein the second conductive structure further comprises a discharge body extending into the dust bag, the discharge body being electrically connected to the electrical connector.

13. The suction blower of claim 10, wherein the conductive elastic member comprises a spring made of a conductive material, a spring seat is disposed on the fixed conductor and/or the sliding conductor, and both ends of the spring are mounted on the spring seat.

14. The suction blower of claim 13, wherein the spring seat includes a mounting post that mates with the spring bore or a groove that mates with the spring outer diameter.

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