CN116408528A - Protective cover for welding torch unit - Google Patents

Abstract

The invention provides a protective cover for a welding torch device, which can reduce replacement man-hours and material costs through a simplified replacement process. The protective cover for the welding torch unit is suitable for mounting on the welding torch unit. The protective cover for the welding torch device includes: the protective cover body, which is formed into a cylindrical structure; the fixing arm connector is arranged on the protective cover body, and maintains the opening at one end of the protective cover body where the fixed arm protrudes in a shrinking state; The movable arm connector is arranged on the protective cover body, and maintains the opening of the other end of the protective cover body where the movable arm protrudes in a shrinking state; the reinforcement part is detachably arranged on at least the corresponding a position between the fixed arm and the movable arm; and a first engaging member disposed on the outer surface of the protective cover body to engage and hold at least a part of the reinforcing member, wherein the inner side of the reinforcing member is provided with an engaging portion, The reinforcing part is connected to the first connecting part by the joint part and is located outside the main body of the protective cover.

Description

Protective cover for welding torch unit

technical field

The invention relates to a protective cover for a welding torch device.

Background technique

In the prior art, the parts of the vehicle can usually be assembled through methods such as welding. Among them, the transportable welding machine can be called a welding gun device. Generally, the welding torch device includes a welding torch body, a fixed arm fixed on the welding torch body, and a movable arm arranged on the welding torch body and facing the fixed arm. The movable arm moves relative to the fixed arm through driving, and the fixed arm Electrodes are provided on the arm and the movable arm to perform welding of parts. In addition, a protective cover for the torch device may be provided outside the torch body of the torch device, thereby preventing spatter during welding from contacting the torch body. However, due to the repeated movement of the movable arm, the portion of the protective cover for the welding torch device corresponding to between the fixed arm and the movable arm is more likely to deteriorate than other portions. At this time, in order to replace the protective cover for the torch device that has deteriorated in the area between the fixed arm and the movable arm, it is necessary to replace the entire protective cover for the torch device, which increases man-hours and material costs for replacement. .

[Prior art literature]

[Patent Document]

[Patent Document 1] Japanese Patent Publication No. 6041994

Contents of the invention

The invention provides a protective cover for a welding torch device, which can reduce replacement man-hours and material costs through a simplified replacement process.

The invention provides a protective cover for a welding torch device, which is suitable for being installed on the welding torch device. The welding torch device includes a welding torch body, a fixed arm fixed on the welding torch body, and a movable arm arranged on the welding torch body and facing the fixed arm, and the movable arm is driven relative to the The fixed arm moves. The protective cover for the welding torch device includes: a protective cover body, which is formed as a cylindrical structure with openings at both ends and at least covers the welding torch body; a fixed arm connector is arranged on the protective cover body, and The opening at one end of the protective cover body where the fixed arm protrudes is maintained in a narrowed state; the movable arm connector is arranged on the protective cover body, and connects the movable arm of the protective cover body. The opening at the other end of the protruding arm is maintained in a constricted state; the reinforcing piece is detachably provided on the protective cover body at least corresponding to the position between the fixed arm and the movable arm; and the first An engaging part is provided on the outer surface of the protective cover body to engage and hold at least a part of the reinforcing part, wherein the inner side of the reinforcing part is provided with a joint part, and the reinforcing part is connected to the The joint part is jointed on the first joint part and located outside the protective cover body.

In an embodiment of the present invention, the protective cover for the welding torch device further includes: a second engaging member, disposed on the inner surface of the protective cover body and corresponding to the opening at one end or the opening at the other end, to engage and retain at least a portion of the reinforcement. The reinforcement piece joined to the first joint part is further bent toward the inside of the protective cover body, and the reinforcement part is joined to the second joint part through the joint part so that It is located inside the protective cover body.

In an embodiment of the present invention, the first engaging element, the second engaging element, and the engaging portion comprise a hook and loop fastener.

In one embodiment of the present invention, the protective cover body is wound with a sheet-shaped flame-retardant material to form a cylindrical structure covering the welding torch body, and the opposite ends of the sheet-shaped flame-retardant material are After being wound, they are connected to each other to form a fixed part, and the reinforcing pieces are disposed between the opposite ends of the sheet-shaped flame-retardant material and face to the fixed parts formed after being wound.

In an embodiment of the present invention, electrodes are provided on the front end of the fixed arm and the front end of the movable arm, the reinforcement member is arranged opposite to the electrode, and the fixing part is arranged on the reinforcement The side of the strong member opposite the electrode.

In an embodiment of the present invention, the fixing part includes a plurality of perforations provided at opposite ends of the sheet-shaped flame-retardant material and strings inserted into the perforations.

In an embodiment of the present invention, the fixed arm connector includes a passage provided on the outer periphery of the opening at one end of the protective cover body and a rope inserted into the passage to connect the opening at one end Maintained in a retracted state, and the movable arm connector includes a channel provided on the outer periphery of the opening of the other end of the protective cover body and a rope inserted into the channel to open the other end The part is maintained in a shrinking state.

Based on the above, in the protective cover for the welding torch device of the present invention, the reinforcing piece is detachably arranged on the protective cover body at least corresponding to the position between the fixed arm and the movable arm, and the first joint is arranged on the protective cover body On the outer surface of the outer surface of the reinforcing member to engage and hold at least a part of the reinforcing member, the reinforcing member is located on the outer side of the main body of the protective cover by engaging with the first engaging member with an engaging portion provided on the inner side thereof. In this way, the portion of the protective cover for the welding torch device corresponding to the position between the fixed arm and the movable arm can be reinforced through a reinforcing member, so as to delay the deterioration caused by repeated movement of the movable arm. Moreover, even if the reinforcing member corresponding to the gap between the fixed arm and the movable arm on the protective cover for the welding torch device is deteriorated, it is only necessary to remove the reinforcing member from the protective cover body and reinstall a new reinforcing member, without Replace the entire protective cover for the torch unit. Accordingly, the protective cover for the welding torch device of the present invention can reduce replacement man-hours and material costs through a simplified replacement process.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Description of drawings

Fig. 1 is a schematic side view of a welding torch device with a protective cover installed on the welding torch device according to an embodiment of the present invention;

Fig. 2 is a front perspective view of the protective cover for the welding torch device shown in Fig. 1;

Fig. 3 is a rear perspective view of the protective cover for the welding gun device shown in Fig. 2;

Fig. 4 is an exploded schematic view of removing the reinforcing part from the protective cover of the welding torch device shown in Fig. 2;

Fig. 5 is a schematic diagram showing the development of the protective cover for the welding torch device shown in Fig. 2 .

Explanation of reference signs

50: Welding torch device;

52: welding torch body;

54: fixed arm;

56: Movable arm;

54a, 56a: front end;

58: electrode;

100: protective cover for welding torch device;

110: protective cover body;

112: lower opening;

114: upper opening;

116: fixed part;

116a: perforation;

116b, 124, 134: rope;

116c: cover;

116d: engagement structure;

118: notch part;

120: fixed arm connector;

122, 132: channel;

130: movable arm connector;

140: reinforcing piece;

140a: upper end;

142: junction;

144: bending part;

150: a first engagement member;

160: the second engaging element.

Detailed ways

Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Among them, Fig. 1 is a schematic side view of a protective cover for a welding torch device according to an embodiment of the present invention installed on the torch device, Fig. 2 is a perspective view of the front side of the protective cover for a welding torch device shown in Fig. The rear perspective view of the protective cover for the welding torch device shown in Fig. 4 is an exploded schematic view of the protective cover for the welding torch device shown in Fig. Expand the schematic. The protective cover 100 for the welding torch device of this embodiment and the application means installed on the welding torch device 50 will be described below with reference to FIGS. 1 to 5 , but the present invention is not limited thereto, and can be adjusted according to requirements.

Please refer to FIG. 1 , in this embodiment, a protective cover 100 for a welding torch device is suitable for being installed on a welding torch device 50 . The welding torch device 50 includes a welding torch body 52, a fixed arm 54 fixed on the welding torch body 52, and a movable arm 56 which is arranged on the welding torch body 52 and faces the fixed arm 54, and the movable arm 56 is driven relative to the fixed arm. 54 moves. Furthermore, a pair of electrodes 58 are provided on the front end 54 a of the fixed arm 54 and the front end 56 a of the movable arm 56 . The opposite, for example, means that the fixed arm 54 and the movable arm 56 are opposite in the up-down direction (for example, the fixed arm 54 is arranged on the lower side and the movable arm 56 is arranged on the upper side, but this is not limited), so that the fixed arm The front end 54a of the movable arm 54 and the pair of electrodes 58 provided on the front end 56a of the movable arm 56 face each other.

Therefore, in the present embodiment, the movable arm 56 is driven to move relative to the fixed arm 54 through, for example, a driving device not shown, so as to be opened or closed. The opening means that the movable arm 56 moves away from the fixed arm 54 (for example, above) to open the space between the movable arm 56 and the fixed arm 54, and the closing means that the movable arm 56 moves closer to the fixed arm. Movement in the direction (eg, downward) of the arm 54 closes the space between the movable arm 56 and the fixed arm 54 . When the movable arm 56 moves relative to the fixed arm 54 to open, the parts to be welded can move and enter the space between the movable arm 56 and the fixed arm 54, and when the movable arm 56 moves relative to the fixed arm 54 When closed, the parts can be welded via a pair of electrodes 58 . During this process, since the welding torch device protective cover 100 is attached to the welding torch device 50 , spatter during welding can be prevented from contacting the welding torch body 52 . However, the present invention does not limit the specific composition of the welding torch device 50 , which can be adjusted according to requirements.

The specific structure of the protective cover 100 for the welding torch device and the relative relationship with the welding torch device 50 will be described in more detail below.

In this embodiment, as shown in FIGS. 1 to 4 , the protective cover 100 for a welding torch device includes a protective cover body 110 , a fixed arm connector 120 , a movable arm connector 130 , a reinforcing member 140 , and a first joint. 150, and the second engaging member 160 can also be selectively provided according to requirements. Wherein, the protective cover body 110 is configured as a cylindrical structure having openings at both upper and lower ends (for example, a lower opening 112 and an upper opening 114 ) and covering at least the torch body 52 . The fixing arm connector 120 is disposed on the protective cover body 110 and maintains an opening at one end of the protective cover body 110 through which the fixing arm 54 protrudes (for example, the lower opening 112 ) in a constricted state. The movable arm connector 130 is disposed on the protective cover body 110 and maintains the other end opening (for example, the upper end opening 114 ) of the protective cover body 110 from which the movable arm 56 protrudes in a constricted state.

Thus, in the present embodiment, when the protective cover 100 for the welding torch device is mounted on the welding torch device 50, at least a part of the welding torch body 52 is covered by the protective cover body 110 having a cylindrical structure (as shown in FIG. 1 ). . The fixed arm 54 protrudes from an end opening (for example, the lower end opening 112) provided at one end (for example, the lower end) of the protective cover body 110, and the fixed arm connecting piece provided on the one end opening (for example, the lower end opening 112) 120 maintains one end opening (for example, the lower end opening 112) in a shrinking state, so that one end (for example, the lower end) of the protective cover body 110 is not easy to fall off, and the spatter during welding is not easy to flow from the one end opening (for example, the lower end opening) 112 ) into the protective cover body 110 to contact the welding torch body 52 . Similarly, the movable arm 56 protrudes from the other end opening (for example, the upper end opening 114 ) provided at the other end (for example, the upper end) of the protective cover body 110 , and is provided at the other end opening (for example, the upper end opening 114 ). ) on the movable arm connector 130 maintains the other end opening (for example, the upper end opening 114) in a constricted state, so that the other end (for example, the upper end) of the protective cover body 110 is not easy to fall off, and the spatter during welding is not easy It enters into the protective cover main body 110 from the other end opening (for example, the upper end opening 114 ) and contacts the torch main body 52 .

Furthermore, as shown in FIGS. 1 to 4 , in this embodiment, the reinforcing member 140 is detachably disposed on the protective cover body 110 at least corresponding to the position between the fixed arm 54 and the movable arm 56 . That is, when the welding torch device protective cover 100 is mounted on the welding torch device 50 , the reinforcing member 140 is at least located between the fixed arm 54 and the movable arm 56 (as shown in FIG. 1 ). In this way, the portion of the protective cover 100 for the welding torch device corresponding to the position between the fixed arm 54 and the movable arm 56 can be reinforced by the reinforcing member 140 to delay the deterioration caused by the repeated movement of the movable arm 56 . And, even if the reinforcing piece 140 between the fixed arm 54 and the movable arm 56 on the protective cover 100 for the welding torch device deteriorates, it is only necessary to detach the reinforcing piece 140 from the protective cover body 110 and reinstall a new one. The reinforcing member 140 does not need to replace the whole of the protective cover 100 for the torch device. Accordingly, the protective cover 100 for a welding torch device can reduce replacement man-hours and material costs through a simplified replacement process.

In detail, in this embodiment, the first engaging member 150 is provided on the outer surface of the protective cover body 110 (the solid line shaded area outside the protective cover body 110 shown in FIG. 4 ) to engage and hold At least a portion of the reinforcing member 140 . The second joint 160 is arranged on the inner surface of the protective cover body 110 and corresponds to the position of the opening at one end or the opening at the other end (for example, the upper opening 114) (the inner side of the protective cover body 110 as shown in FIG. 4 ). Dotted shaded area) to engage and hold at least a portion of the reinforcing member 140. Furthermore, the inner side of the reinforcing piece 140 is provided with a joint portion 142 (as shown in the dotted line hatched area of the outer periphery of the reinforcing piece 140 as shown in FIG. It is located on the outer side of the protective cover body 110 (as shown in FIG. 2 ), and is located on the inner side of the protective cover body 110 (as shown in FIG. 3 ) by engaging the joint portion 142 on the second joint member 160 .

Furthermore, in the present embodiment, it is preferable that the reinforcing piece 140 is arranged on the outer surface of the protective cover body 110, so as to carry out reinforcement in a state where the protective cover main body 110 is not detached from the welding torch body 52. The installation or removal of part 140. Thus, the first joint piece 150 is provided on the outer surface of the protective cover body 110, the reinforcement piece 140 is covered on the first joint piece 150, and the reinforcement piece 140 is jointed on the first joint piece 150 to be positioned in a protective position. The outer side of the cover body 110 (as shown in FIG. 2 ). In addition, on the inner side surface of the boot body 110, a second engaging member 160 is provided at a position adjacent to the other end opening (for example, the upper end opening 114), when the reinforcing member 140 has been engaged on the first engaging member 150. According to the requirements, the upper end 140a of the reinforcing member 140 (as shown in FIG. 4 ) is further bent toward the inner side of the protective cover body 110, so that the upper end 140a of the reinforcing member 140 is engaged with the second engaging member 160 and positioned at The inner side of the protective cover body 110 . That is to say, the reinforcement part 140 can be joined on the first joint part 150, and it is selected whether to further join a small part on the second joint part 160 to increase the joint effect according to the requirement, thereby suppressing the The reinforcing member 140 at the position between the movable arm 56 is affected (eg, compressed) and falls off when the movable arm 56 moves. However, the present invention does not limit whether the second joint 160 is provided or not, nor does it limit whether the reinforcement 140 is joined to the second joint 160 when the second joint 160 is provided. Adjustment.

Moreover, in the present embodiment, the first joint 150 , the second joint 160 , and the joint 142 include hook and loop fasteners. Wherein, the hook and loop tape is disposed on the entire inner periphery of the reinforcing member 140 as the joint portion 142 (the dotted shaded area of the outer periphery of the reinforcing member 140 shown in FIG. 4 ). Furthermore, the Velcro is provided on the outer surface of the protective cover body 110 at positions corresponding to the adjacent three sides of the reinforcing member 140 as the first joint member 150 (the protective cover body shown in FIG. 4 110 outside the solid shaded area). And, the hook and loop is provided on the inner surface of the protective cover body 110 corresponding to the other side of the reinforcing member 140 and corresponding to the other end opening (for example, the upper end opening 114) as the second joint 160. (The dotted shaded area inside the protective cover body 110 as shown in FIG. 4 ). In this way, using the hook and loop tape as the method of detachably disposing the reinforcement 140 on the protective cover body 110 can make the installation and removal of the reinforcement 140 easier. However, the present invention is not limited thereto, and it can be adjusted according to requirements.

In addition, in this embodiment, as shown in FIGS. 1 to 5 , the protective cover body 110 is wound with a sheet-shaped flame-retardant material to form a cylindrical structure covering the welding torch body 52 . The opposite ends are connected to each other after being wound to form the fixing portion 116 . That is to say, by winding the protective cover body 110 made of a sheet-shaped flame-retardant material as shown in FIG. A cylindrical structure covering the torch body 52. Thus, compared with the method of directly making a cylindrical structure that cannot be disassembled, the protective cover body 110 is arranged to be wound with a sheet-shaped flame-retardant material to form a cylindrical structure, which can be used from the outside of the welding torch device 50 by The protective cover body 110 covers the welding torch body 52 in a manner of surrounding the welding torch body 52 . In this way, the means for attaching the welding torch device protective cover 100 to the welding torch device 50 becomes easier. However, the present invention does not limit the material and specific structure of the protective cover body 110 , which can be adjusted according to requirements.

Furthermore, in this embodiment, the protective cover body 110 made of a sheet-shaped flame-retardant material not only has a flame-retardant effect and can avoid burning due to sparks generated by spatter during welding, but also has a deformable characteristic . Therefore, when the protective cover body 110 is covered on the welding torch body 52, the protective cover body 110 can be attached on the welding torch body 52 in response to the appearance of the welding torch body 52 as shown in FIG. When the relative position of the arm 56 changes due to the movement of the movable arm 56, the protective cover body 110 can easily adjust the opening at one end (for example, the opening at the lower end 112) and the opening at the other end in response to the movement of the movable arm 56. The relative position of the upper part (for example, the upper end opening 114 ), that is, the protective cover body 110 can follow the shape change of the welding torch device 50 to produce changes in shape without interfering with the use of the welding torch device 50 .

In detail, in this embodiment, as shown in FIG. 2 and FIG. 3 , the fixed arm connector 120 includes a channel 122 disposed on the outer periphery of one end opening (for example, the lower end opening 112 ) of the protective cover body 110 and a through hole. The rope 124 in the channel 122 is used to maintain the one end opening (for example, the lower end opening 112 ) in a constricted state. Wherein, since the periphery of one end opening (for example, the lower end opening 112) of the protective cover body 110 is provided with three notches 118, it is therefore preferred that the fixed arm connector 120 is arranged on the outer periphery of the three notches 118, through Pulling on the cord 124 compresses the vicinity of the channel 122, causing the notch portion 118 to contract, thereby maintaining the one end opening (eg, the lower end opening 112 ) in a constricted state. Setting the notch 118 can make one end (eg, the lower end) of the protective cover body 110 closer to the shape of the welding torch body 52 , but in other unshown embodiments, the notch 118 may not be provided. At this time, the fixed arm connector 120 is disposed on the entire periphery of the opening at one end (for example, the opening at the lower end 112), and the portion near the channel 122 is compressed by pulling the rope 124, so that the opening at one end (for example, the opening at the lower end 112) is compressed. , can also achieve the purpose of maintaining the one-end opening (for example, the lower-end opening 112 ) in a constricted state. However, the present invention does not limit the specific structure of the fixing arm connecting member 120, which can be adjusted according to requirements.

Similarly, in this embodiment, as shown in FIGS. 2 and 3 , the movable arm connector 130 includes a channel 132 disposed on the outer periphery of the other end opening (for example, the upper end opening 114 ) of the protective cover body 110 and The string 134 inserted into the channel 132 maintains the other end opening (for example, the upper end opening 114 ) in a constricted state. Wherein, since the reinforcing member 140 is disposed near the upper end of the protective cover body 110, it is preferable that the movable arm connecting member 130 is disposed on the entire outer circumference of the other end opening (for example, the upper end opening 114), that is, the channel 132 Around the entire periphery of the other end opening (for example, the upper end opening 114), the rope 134 inserted into the channel 132 passes through the opposite ends of the sheet-shaped flame-retardant material, and the reinforcing member 140 is arranged on the rope 134. The opposite side from where it came out (as shown in Figure 3). Thus, the part near the channel 132 is compressed by pulling the rope 134, and the other end opening (for example, the upper end opening 114) is tightened, thereby maintaining the other end opening (for example, the upper end opening 114) in a constricted state. , and the arrangement of the reinforcing member 140 will not interfere with the use of the movable arm connecting member 130 . However, the present invention does not limit the specific structure of the movable arm connecting member 130, which can be adjusted according to requirements.

In this way, in this embodiment, since the movable arm connecting member 130 maintains the other end opening (for example, the upper end opening 114 ) around the movable arm 56 in a constricted state, even if the movable arm 56 is relative to the fixed arm 54 moves, the other end (for example, the upper end) of the protective cover body 110 can move together with the movable arm 56 and is not easy to fall off. Likewise, since the fixed arm link 120 maintains the one end opening (for example, the lower end opening 112 ) surrounding the fixed arm 54 in a constricted state, even if the movable arm 56 moves relative to the fixed arm 54 , the protective cover body 110 One end (such as the lower end) is not easy to fall off due to the movement of the other end (such as the upper end) of the protective cover body 110 . And, even if the movable arm 56 moves toward the direction (for example, downward) close to the fixed arm 54 and closes the space between the movable arm 56 and the fixed arm 54, the protective cover body 110 corresponds to the movable arm 56 and the fixed arm 54. The intervening portion and the reinforcing member 140 provided there can be compressed without interfering with the movement of the movable arm 56 . Wherein, the reinforcing piece 140 can also be provided with a plurality of bending portions 144 (as shown in FIG. 2 and FIG. 4 ), which can be bent when being compressed, so the setting of the reinforcing piece 140 does not affect the relative movement of the movable arm 56. The action of moving the fixed arm 54, but the present invention does not limit the setting of the bending portion 144, which can be adjusted according to requirements.

In addition, as shown in FIGS. 1 to 4 , in this embodiment, when the protective cover 100 for the welding torch device is mounted on the welding torch device 50 (that is, the state of FIG. 1 ), the reinforcing member 140 corresponds to the fixed arm 54 and the In the portion between the movable arms 56 , the reinforcing member 140 is provided to face the pair of electrodes 58 provided at the front end 54 a of the fixed arm 54 and the front end 56 a of the movable arm 56 . Therefore, preferably, the fixing portion 116 formed by opposite ends of the protective cover body 110 formed of a sheet-shaped flame-retardant material is disposed on a side of the reinforcement member 140 opposite to the electrode 58 . That is to say, the reinforcing member 140 is arranged between the opposite ends (for example, the central region) of the sheet-shaped flame-retardant material as shown in FIG. 5 , and as shown in FIGS. The fixed portions 116 formed face each other. In this way, even if there may be a gap in the fixing portion 116 formed by the opposite ends of the protective cover body 110 made of a sheet-shaped flame-retardant material, the spatter during welding is not easy to flow from the opposite electrode arranged on the reinforcing member 140. The fixing part 116 on one side of the 58 enters into the protective cover body 110 and contacts the welding torch body 52 .

In addition, in this embodiment, as shown in FIG. 3 , the fixing portion 116 of the protective cover body 110 includes a plurality of perforations 116 a disposed at opposite ends of the sheet-shaped flame-retardant material and a string 116 b inserted into the perforations 116 a. The perforations 116a are arranged in a row at opposite ends of the protective cover body 110, and a rope 116b is wound in these perforations 116a in the manner of intersecting penetration, so that the protective cover made of a sheet-shaped flame-retardant material Two opposite ends of the main body 110 are pulled together to form a cylindrical structure covering the torch main body 52 . Furthermore, preferably, a cover 116c may also be provided at one end of the protective cover body 110, and an engaging structure 116d (such as the aforementioned Velcro, or detachable means of engagement such as buckles or zippers). Thus, the covering member 116c can further cover the perforation 116a and the cord 116b after the cord 116b penetrates the perforation 116a and the protective cover body 110 is formed into a cylindrical structure, thereby avoiding that the combination of the perforation 116a and the cord 116b cannot be made from the sheet-shaped The two opposite ends of the protective cover body 110 made of flame retardant materials are tightly combined to form a gap. However, the present invention does not limit the specific structure of the fixing portion 116, which can be adjusted according to requirements.

To sum up, in the protective cover for welding torch device of the present invention, the reinforcing piece is detachably arranged on the main body of the protective cover at least corresponding to the position between the fixed arm and the movable arm, and the first engaging piece is arranged on the protective cover. The outer surface of the cover body is used to engage and hold at least a part of the reinforcement, and the reinforcement is located outside the protective cover body with the joint portion provided on the inner side engaged with the first joint. Preferably, the second joining part is arranged on the inner surface of the protective cover body, the reinforcing part joined on the first joining part is further bent toward the inner side of the protective cover body, and the reinforcing part is joined to the second joint by the joint part. The two joint parts are located inside the protective cover body. In this way, the portion of the protective cover for the welding torch device corresponding to the position between the fixed arm and the movable arm can be reinforced through a reinforcing member, so as to delay the deterioration caused by repeated movement of the movable arm. Moreover, even if the reinforcing member corresponding to the gap between the fixed arm and the movable arm on the protective cover for the welding torch device is deteriorated, it is only necessary to remove the reinforcing member from the protective cover body and reinstall a new reinforcing member, without Replace the entire protective cover for the torch unit. Accordingly, the protective cover for the welding torch device of the present invention can reduce replacement man-hours and material costs through a simplified replacement process.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some or all of the technical features; these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. A protective cover for a welding gun device, which is adapted to be mounted on a welding gun device, the welding gun device including a welding gun body, a fixed arm fixed to the welding gun body, and a movable arm provided to the welding gun body so as to face the fixed arm, the movable arm being movable relative to the fixed arm by driving, the protective cover for a welding gun device comprising:

a protective cover body having a cylindrical structure with openings at the upper and lower ends and covering at least the welding gun body;

the fixed arm connecting piece is arranged on the protective cover body and maintains an opening part of the protective cover body at one end, from which the fixed arm protrudes, in a necking state;

a movable arm connecting member which is provided on the protective cover body and maintains a reduced opening of the protective cover body at the other end from which the movable arm protrudes;

a reinforcing member detachably provided on the protective cover body at least at a portion corresponding to between the fixed arm and the movable arm; and

a first engagement member provided on an outer side surface of the boot body to engage and retain at least a portion of the reinforcement member, wherein

The inner side of the reinforcement piece is provided with a joint part, and the reinforcement piece is jointed on the first joint piece by the joint part and is positioned on the outer side of the protective cover body.

2. The protective cover for a welding gun device according to claim 1, further comprising:

a second engaging member provided on an inner side surface of the shield body at a position corresponding to the one end opening portion or the other end opening portion to engage and hold at least a portion of the reinforcing member,

the reinforcement member joined to the first joining member is further bent toward the inside of the boot body, and the reinforcement member is joined to the second joining member at the joining portion so as to be positioned on the inside of the boot body.

3. A protective cover for a welding gun device according to claim 2,

the first engagement member, the second engagement member, and the engagement portion include a hook and loop fastener.

4. A protective cover for a welding gun device according to claim 1,

the shield body is formed by winding a sheet-shaped flame-retardant material to form a cylindrical structure covering the welding gun body, opposite ends of the sheet-shaped flame-retardant material are connected with each other to form a fixing part after winding, and the reinforcing member is arranged between the opposite ends of the sheet-shaped flame-retardant material and is opposite to the fixing part formed after winding.

5. A protective cover for a welding gun device according to claim 4,

the front end of the fixed arm and the front end of the movable arm are provided with electrodes,

the reinforcement member is arranged opposite to the electrode

The fixing portion is disposed on a side of the reinforcement opposite to the electrode.

6. A protective cover for a welding gun device according to claim 4,

the fixing portion includes a plurality of perforations provided at opposite ends of the sheet-shaped flame retardant material and a string penetrating into the perforations.

7. A protective cover for a welding gun device according to claim 1,

the fixing arm connector comprises a passage arranged at the periphery of the one end opening part of the protective cover body and a rope penetrating into the passage to maintain the one end opening part in a contracted state, and

the movable arm connector includes a passage provided at an outer periphery of the other end opening portion of the protection cover body and a rope penetrating into the passage to maintain the other end opening portion in a contracted state.

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