CN113305763A

CN113305763A - Clamp apparatus

Info

Publication number: CN113305763A
Application number: CN202110512829.XA
Authority: CN
Inventors: 谢端卿; 余顺周
Original assignee: Shenzhen Core Medical Technology Co Ltd
Current assignee: Shenzhen Core Medical Technology Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-08-27
Anticipated expiration: 2041-05-11
Also published as: CN113305763B

Abstract

The invention provides a fixture, which is used for assembling a first assembly part and a second assembly part, and comprises a positioning base, a fixing mechanism and a pushing mechanism, wherein the positioning base is provided with a first limiting groove for placing the first assembly part; the fixing mechanism comprises a connecting body connected with the positioning base, and a second limiting groove for placing a second assembly part is formed in the connecting body; the ejection mechanism comprises a main body part and a clamping part connected to the main body part, the clamping part and the connecting body are arranged oppositely, the main body part is connected to the connecting body in a sliding mode and can move towards or away from the positioning base, the main body part is used for pushing the second assembly part so that one end of the second assembly part is abutted to the first assembly part, when the main body part moves towards the positioning base, the clamping part covers at least part of the second assembly part, and the clamping part and the positioning base are arranged at intervals and are formed with a channel. This anchor clamps has improved the positioning accuracy of first assembly part and second assembly part, has realized the accurate counterpoint equipment of first assembly part and second assembly part.

Description

Clamp apparatus

Technical Field

The invention belongs to the technical field of medical instrument auxiliary tools, and particularly relates to a clamp.

Background

Intravascular blood pumps, designed for percutaneous insertion into a patient's blood vessel, may be advanced along the blood vessel into the patient's heart to function as either a left ventricular assist device or a right ventricular assist device. Accordingly, intravascular blood pumps may also be referred to as intracardiac blood pumps.

An intravascular blood pump includes an impeller and a motor that drives the impeller to rotate. The stator of the motor includes a plurality of magnetically permeable posts, and a coil winding around the periphery of each magnetically permeable post, the coil winding creating a rotating magnetic field for driving the impeller to rotate about its axis. When the impeller rotates, blood is transported from a blood inlet of the intravascular blood pump to a blood outlet thereof.

Each magnetic conduction column comprises a guide rod and a pole shoe connected to one end of the guide rod, and the guide rod is of a slender structure due to the fact that the pole shoe is small in size, and therefore the pole shoe is difficult to accurately position on the guide rod during assembly.

Disclosure of Invention

The invention aims to provide a clamp, and aims to solve the technical problem that in the prior art, a guide rod and a pole shoe are difficult to accurately align and assemble.

The present invention is achieved by a jig for assembling a first assembly member and a second assembly member, comprising:

the positioning base is provided with a first limiting structure for placing the first assembly part;

the fixing mechanism comprises a connecting body connected to the positioning base, and a second limiting structure used for placing the second assembly part is arranged on the connecting body;

the ejection mechanism comprises a main body part and a clamping part connected to the main body part, the main body part is in sliding connection with the connecting body and can move towards or away from the positioning base, the main body part is used for pushing the second assembly part so that the second assembly part is abutted to the first assembly part, when the main body part moves towards the positioning base, the clamping part can at least partially cover the second assembly part, and the clamping part and the positioning base are arranged at intervals and are formed with a channel.

In one embodiment, the first limiting structure is a first limiting groove, the second limiting structure is a second limiting groove, the second limiting groove extends in a direction perpendicular to the groove bottom surface of the first limiting groove, and the first limiting groove is located on an extension line of the second limiting groove.

In one embodiment, the side wall of the first limit groove is provided with an avoiding groove, and the avoiding groove extends to the notch of the first limit groove;

or, still be equipped with the guide way on the location base, the guide way run through the lateral wall of first spacing groove with the lateral wall face of location base, the guide way is along the orientation the direction of the lateral wall face of location base is gradually expanded and is set up.

In one embodiment, an end face of the connecting body opposite to the clamping portion is a mounting face, the second limiting groove is formed in the mounting face, a through hole penetrating through the connecting body is further formed in the mounting face, and the through hole is communicated with the second limiting groove.

In one embodiment, the fixing mechanism is further provided with a guide rail, and the guide rail extends along a direction perpendicular to the bottom surface of the first limiting groove;

the pushing mechanism further comprises a sliding part connected to the main body part, and the sliding part extends into the guide rail and is connected with the guide rail in a sliding mode.

In one embodiment, a third limiting structure is arranged on an end surface of the clamping portion opposite to the second limiting structure, and when the third limiting structure moves to be opposite to the second limiting structure, the third limiting structure and the second limiting structure can enclose a containing space for containing the second assembly.

In one embodiment, the clamp further comprises an elastic mechanism, wherein the elastic mechanism comprises a limiting column and an elastic piece sleeved outside the limiting column;

one end of the limiting column is connected to the fixing mechanism, the ejection mechanism is movably sleeved outside the limiting column, and the ejection mechanism is located between the elastic piece and the fixing mechanism; the limiting post is provided with a blocking part, two ends of the elastic piece are respectively abutted to the blocking part and the ejection mechanism, and the elastic piece can apply elastic force towards the positioning base to the ejection mechanism.

In one embodiment, the fixing mechanism further comprises a fixing block connected with the connecting body, one end of the fixing block is connected with the limiting column, and the other end of the fixing block is connected to the positioning base.

In one embodiment, the pushing mechanism further includes a limiting portion connected to the main body portion, the limiting portion is provided with a connecting hole, the fixing post is provided with a connecting groove, and the limiting post passes through the connecting hole and is inserted into the connecting groove to be connected with the fixing block.

In one embodiment, one end of the fixing block extends out of the connecting body towards one side of the positioning base and is connected with the positioning base, so that the connecting body and the positioning base are arranged at intervals.

Compared with the prior art, the invention has the technical effects that: this anchor clamps have realized the location to first assembly part through set up first limit structure on the location base, realized the location to the second assembly part through set up second limit structure on fixed establishment, the rethread slips in fixed establishment's ejection mechanism and pushes away and support the second assembly part, make second assembly part and first assembly part butt joint, ejection mechanism is when pushing away to the second assembly part, the clamping part of ejection mechanism at least part covers outside the second assembly part, can make the second assembly part be located between clamping part and the connection body, with spacing to the second assembly part, realize the accurate counterpoint equipment of first assembly part and second assembly part. And a channel is arranged between the clamping part and the positioning base, and the channel can expose the joint of the first assembly part and the second assembly part after the first assembly part and the second assembly part are aligned, so that the first assembly part and the second assembly part can be conveniently and fixedly connected.

Drawings

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

Fig. 1 is a perspective view of a magnetic conductive column according to an embodiment of the present invention;

FIG. 2 is a perspective view of a fixture according to an embodiment of the present invention;

FIG. 3 is a perspective view of a clamp according to an embodiment of the present invention from another perspective;

FIG. 4 is a cross-sectional view of a clamp provided by an embodiment of the present invention;

FIG. 5 is an exploded view of a clamp provided by an embodiment of the present invention;

FIG. 6 is a perspective view of a positioning base according to an embodiment of the present invention;

FIG. 7 is a perspective view of a fixing mechanism provided in an embodiment of the present invention;

fig. 8 is a perspective view of the ejector mechanism according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "thickness", "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, the present invention provides a fixture 100 for assembling a first assembly member 91 and a second assembly member 92.

The fixture 100 at least includes a positioning base 10, a fixing mechanism 20, and an ejecting mechanism 30.

Referring to fig. 2, the positioning base 10 is provided with a first limiting structure 101, and the first assembly member 91 is disposed on the first limiting structure 101.

Referring to fig. 3, the fixing mechanism 20 includes a connecting body 21 connected to the positioning base 10, a second limiting structure 214 is disposed on the connecting body 21, and the second assembly member 92 is movably disposed on the second limiting structure 214.

Referring to fig. 4, the pushing mechanism 30 at least includes a main body 31 and a clamping portion 32 connected to the main body 31, the clamping portion 32 is disposed opposite to the connecting body 21, the main body 31 is slidably connected to the connecting body 21 and can move toward or away from the positioning base 10, the main body 31 can push the second assembly 92 in the process of moving toward the positioning base 10, so that one end of the second assembly 92 is abutted to the first assembly 91, when the main body 31 moves toward the positioning base 10, the clamping portion 32 moves along with the main body 31 and can cover at least a portion of the second assembly 92, that is, the second assembly 92 is located between the clamping portion 32 and the connecting body 21. The clamping portion 32 is spaced apart from the positioning base 10, and a channel 60 is formed, wherein the channel 60 can expose a connection portion between the first assembly member 91 and the second assembly member 92 after the first assembly member 91 and the second assembly member 92 are aligned.

The fixture 100 realizes the positioning of the first assembly part 91 by arranging the first limiting structure 101 on the positioning base 10, realizes the positioning of the second assembly part 92 by arranging the second limiting structure 214 on the fixing mechanism 20, and pushes the second assembly part 92 by the pushing mechanism 30 which is slidably connected to the fixing mechanism 20 so that the second assembly part 92 is butted with the first assembly part 91, when the pushing mechanism 30 pushes the second assembly part 92, the clamping part 32 of the pushing mechanism 30 covers at least part of the second assembly part 92, so that the second assembly part 92 is positioned between the clamping part 32 and the connecting body 21 to limit the second assembly part 92, and the accurate alignment assembly of the first assembly part 91 and the second assembly part 92 is realized.

Moreover, when the main body 31 pushes the second assembly 92 to make the second assembly 92 abut against the first assembly 91, the channel 60 is formed between the clamping portion 32 and the positioning base 10, and the channel 60 exposes the joint between the first assembly 91 and the second assembly 92, thereby facilitating the subsequent fixed connection, such as laser welding or bonding, between the first assembly 91 and the second assembly 92.

In this embodiment, the clamp 100 is used for assembling the magnetic conducting pole 90, referring to fig. 1, the magnetic conducting pole 90 includes a guide rod 92 and a pole piece 91, wherein the pole piece 91 is a first assembly member 91, and the guide rod 92 is a second assembly member 92, and when the clamp 100 is in use, the pole piece 91 can be accurately connected to one end of the guide rod 92.

The structure of the jig 100 will be specifically described below.

Referring to fig. 5, the fixture 100 is used for aligning and assembling the pole piece 91 and the guide rod 92, and the fixture 100 at least includes a positioning base 10, a fixing mechanism 20, a pushing mechanism 30, and an elastic mechanism 40.

In fig. 5, the x direction is the extending direction of the fixing mechanism 20, i.e., the length direction thereof; the y direction is the thickness direction of the fixing mechanism 20, and the y direction is perpendicular to the x direction; the z-direction is perpendicular to the x-direction and the y-direction. With reference to the fixing mechanism 20, the positioning base 10 and the elastic mechanism 40 are respectively disposed on two sides of the fixing mechanism 20 along the x direction, and the pushing mechanism 30 is disposed on one side of the fixing mechanism 20 along the y direction.

Referring to fig. 5 and 6, the positioning base 10 is substantially a plate-shaped structure, and has a positioning surface 111 and a side wall surface 112, the positioning surface 111 is an end surface of the positioning base 10 facing the fixing mechanism 20, and the side wall surface 112 is connected to the positioning surface 111 and disposed around the positioning surface 111. The locating surface 111 is preferably planar and perpendicular to the x-direction.

The positioning base 10 is provided with a first limiting structure 101, in this embodiment, the first limiting structure 101 is a first limiting groove 101, the first limiting groove 101 is located on the positioning surface 111, and the pole shoe 91 is disposed in the first limiting groove 101. Preferably, the bottom surface of the first limit groove 101 is perpendicular to the x direction, so that the central axis of the pole piece 91 disposed in the first limit groove 101 is parallel to the x direction.

It should be noted that, the present embodiment does not limit the specific structure of the first limiting structure 101, as long as the pole piece 91 can be positioned therein, and the pole piece 91 is prevented from moving freely. For example, in other embodiments, the first limiting structure 101 may be a clamping structure such as a mechanical claw, and the pole piece 91 is placed on the mechanical claw structure, and the central axis of the pole piece 91 is parallel to the x direction.

The positioning base 10 is further provided with a fixing hole 103 and an aligning hole 104, and the fixing hole 103 and the aligning hole 104 are respectively matched with a fastening member (not shown) such as a bolt or a pin, so that the positioning base 10 is fixedly connected with the fixing mechanism 20. At least one fixing hole 103 can be opened, at least one alignment hole 104 is opened, and both the fixing hole 103 and the alignment hole 104 can be communicated. In the embodiment shown in fig. 6, the number of the fixing holes 103 and the aligning holes 104 is two, two fixing holes 103 are symmetrically arranged along the z-direction, two aligning holes 104 are symmetrically arranged along the z-direction, and the central axis of each fixing hole 103 and each aligning hole 104 is parallel to the x-direction.

The first limiting groove 101 is matched with the pole shoe 91 to realize the positioning of the pole shoe 91. Optionally, the depth of the first limiting groove 101 is smaller than the thickness of the pole piece 91, so that a surface 911 (see fig. 1) to be connected of the pole piece 91 protrudes from the positioning surface 111, which facilitates the later fixed connection between the pole piece 91 and the guide rod 92. Wherein the thickness of the pole piece 91 is the thickness in the x-direction. The first position-limiting groove 101 may be provided in plurality to realize the positioning of the plurality of pole shoes 91.

When the pole piece 91 is taken and placed, a clamping tool such as a robot is often used to clamp the pole piece 91, and the positioning base 10 is provided with a clearance groove 1021 or a guide groove 1022.

Referring to fig. 6, a position-avoiding groove 1021 is concavely formed on a side wall of the first limiting groove 101, the position-avoiding groove 1021 extends to a notch of the first limiting groove 101 along the x direction, and the position-avoiding groove 1021 can be used for avoiding clamping tools such as a manipulator.

Because the pole shoe 91 has a small volume, when the pole shoe 91 is positioned in the first limiting groove 101, if the surface 911 to be connected is close to the positioning surface 111, the joint between the pole shoe 91 and the guide rod 92 is not easy to operate, and for example, during subsequent laser welding, a welding spot is easy to hit the side wall surface 112 of the positioning base 10. Therefore, referring to fig. 6, the positioning base 10 is further provided with a guide groove 1022, and the guide groove 1022 penetrates through the side wall of the first limiting groove 101 and the side wall surface 112 of the positioning base 10, so that the guide groove 1022 can provide an escape space for external welding or bonding equipment, and the like, so as to facilitate the subsequent fixed connection of the connection between the pole shoe 91 and the guide rod 92. Meanwhile, the guide groove 1022 can also be used for avoiding clamping tools such as a manipulator and the like, so that the pole shoe 91 can be conveniently taken and placed. The guide grooves 1022 are arranged to be gradually enlarged in a direction toward the side wall surface of the positioning base 10. In this way, the opening of the space-avoiding groove 1021 to the side wall surface 112 of the positioning base 10 is large, which facilitates handling of tools such as external welding or bonding.

In the embodiment shown in fig. 6, the number of the first limiting grooves 101 is three, one limiting groove 101 is provided with a spacing groove 1021, and the other two first limiting grooves 101 are respectively provided with a guide groove 1022. It is understood that in other embodiments, the number of the first limiting grooves 101 can be set to one, two or more according to the requirement; alternatively, in other embodiments, only the spacing groove 1021 or only the guiding groove 1022 is disposed on the sidewall of the first limiting grooves 101.

Referring to fig. 7, the fixing mechanism 20 at least includes a connecting body 21 and a fixing block 22 connected to each other.

Referring to fig. 5 and 7, the connecting body 21 is substantially a plate-shaped structure, an end surface of the connecting body 21 opposite to the main body 31 of the pushing mechanism 30 is a mounting surface 211, and the mounting surface 211 is perpendicular to a thickness direction of the connecting body 21, which is the y direction shown in fig. 5.

The connecting body 21 is provided with a second limiting structure 214 on the mounting surface 211, and the guide rod 92 is movably disposed on the second limiting structure 214.

In the embodiment, the second limiting structure 214 is a second limiting groove 214, the second limiting groove 214 is a sliding groove structure, and the guide rod 92 is movably disposed in the sliding groove structure. Each first limiting groove 101 is located on the extension line of the corresponding second limiting groove 214, so that when the main body 31 pushes against the guide rod 92 disposed in the second limiting groove 214, one end of the guide rod 92 can abut against the pole shoe 91 disposed in the first limiting groove 101.

In this embodiment, the central axis of the second limiting groove 214 is parallel to the x direction, and the central axis of the guide rod 92 disposed in the second limiting groove 214 is also parallel to the x direction; meanwhile, in the embodiment, the bottom surface of the first limiting groove 101 is perpendicular to the x direction, and the central axis of the pole shoe 91 arranged in the first limiting groove 101 is also parallel to the x direction; therefore, when the guide rod 92 abuts against the pole piece 91, the central axis of the guide rod 92 can be parallel to or coincident with the central axis of the pole piece 91, so that accurate alignment assembly of the guide rod 92 and the pole piece 91 is realized. Moreover, the second limiting groove 214 can limit the guide rod 92, and since the central axis of the second limiting groove 214 is parallel to the x direction, the guide rod 92 can only move towards or away from the positioning base 10 along the x direction, so that the alignment accuracy between the guide rod 92 and the pole piece 91 can be further improved.

The cross-sectional shape and size of the second limiting groove 214 are adapted to the outer peripheral profile of the guide rod 92, so that when the guide rod 92 is disposed in the first limiting groove 214, the inner wall of the first limiting groove 214 can be completely attached to the outer periphery of the guide rod 92. For example, when the guide rod 92 has a cylindrical configuration, the cross-sectional shape of the second restraint slot 214 is arcuate.

It should be noted that, the embodiment does not limit the specific structure of the second limiting structure 214, as long as the second limiting structure 214 can limit the guide rod 92, so that the guide rod 92 can only move towards or away from the positioning base 10. For example, in other embodiments, the second limit structure 214 may also be a semicircular snap ring structure protruding from the mounting surface 211, and the central axis of the second limit structure 214 is parallel to the x-direction, such that the central axis of the guide rod 92 disposed in the second limit structure 214 is parallel to the x-direction.

The connection body 21 further has a through hole 215 penetrating the connection body 21 along the y-direction on the mounting surface 211, and the through hole 215 is communicated with the second limiting groove 214. The through hole 215 may facilitate the guide rod 92 to be taken into and placed in the second limiting groove 214.

The connecting body 21 is further provided with a sliding groove 216 on the mounting surface 211, and as shown in fig. 8, the pushing mechanism 30 includes a sliding portion 34 connected to the main body portion 31, and the sliding portion 34 extends into the sliding groove 216 and is slidably connected to the sliding groove 216. The extending direction of the sliding groove 216 is the same as the extending direction of the second limiting structure 214, and both extend along the x direction, so that the pushing mechanism 30 can move towards or away from the positioning base 10 along the x direction. The shape and size of the sliding part 34 are matched with those of the sliding groove 216, so that the sliding part 34 is prevented from shaking in the sliding groove 216 to influence the movement of the ejection mechanism 30.

Further, the inner wall of the sliding groove 216 is provided with a guide rail 217, the sliding portion 34 is provided with a sliding member 341 engaged with the guide rail 217, and the sliding member 341 is slidably coupled to the guide rail 217. The guide rail 217 extends along the x direction, and when the sliding member 341 is located in the guide rail 217, the guide rail 217 can limit the movement of the sliding member 341 in other directions, so that the sliding member 341 can only move towards or away from the positioning base 10 along the x direction, that is, the main body 31 can only push against the guide rod 92 along the x direction, thereby improving the assembly accuracy of the guide rod 92 and the pole shoe 91.

Referring further to fig. 5 and 7, the mounting block 22 is generally cylindrical with a central axis parallel to the x-direction. The connecting body 21 is connected with the fixing block 22, and is connected with the positioning base 10 and the elastic mechanism 40 through the fixing block 22.

In the embodiment shown in fig. 7, the number of the fixing blocks 22 is two, the two fixing blocks 22 are respectively arranged on two sides of the connecting body 21 along the z direction, and the fixing blocks 22 and the connecting body 21 are of an integrally formed structure. The central axis of each fixing block 22 is parallel to the x direction and has a first connecting end 212 and a second connecting end 213 opposite to each other, the first connecting end 212 is connected to the positioning base 10, and the second connecting end 213 is connected to the elastic mechanism 40. Preferably, the first connection end 212 of the fixing block 22 extends toward one side of the positioning base 10 and extends out of the connection body 21, so that a gap 70 (shown in fig. 4) exists between the connection body 21 and the positioning base 10, the gap 70 exposes a connection portion of the guide rod 92 and the pole shoe 91, subsequent fixing operations of the guide rod 92 and the pole shoe 91 can be facilitated, and the guide rod 92 can be conveniently taken and placed by the gap 70.

As shown in fig. 5, the end surface of the second connection end 213 of the fixing block 22 is opened with a connection groove 203 for connecting with the elastic mechanism 40. As shown in fig. 7, the end surface of the first connection end 212 of the fixed block 22 is provided with a fixing groove 201 and an alignment groove 202 for connecting with the positioning base 10. The central axes of the fixed groove 201, the alignment groove 202, and the connection groove 203 are all parallel to the x direction.

Further, the fixing mechanism 20 further includes an alignment rod and a connecting rod (both not shown) for connecting the fixing mechanism 20 and the positioning base 10. Wherein, the counterpoint pole can be location structure such as dowel, and the connecting rod can be threaded fastener such as bolt or screw.

As shown in fig. 6 and 7, when the alignment rod is inserted into the alignment groove 202 and the alignment hole 104, the fixing hole 103 completely covers the fixing groove 201, so that the fixing hole 103 and the fixing groove 201 can be accurately aligned, and the alignment rod plays a role in positioning and guiding; after the alignment between the fixing groove 201 and the fixing hole 103 is completed, the connecting rod is inserted into the fixing groove 201 and the fixing hole 103, so that the quick fixing connection between the positioning base 10 and the fixing mechanism 20 can be realized. Specifically, at least one fixing groove 201 is formed and corresponds to the fixing holes 103, and at least one alignment groove 202 is formed and corresponds to the alignment holes 104. In this embodiment, two fixing grooves 201, two alignment grooves 202, two fixing holes 103 and two alignment holes 104 are formed, each fixing block 22 is provided with one fixing groove 201 and one alignment groove 202, the fixing holes 103 are disposed on the positioning base 10 and correspond to the positions of the corresponding fixing grooves 201, and the alignment holes 104 are disposed on the positioning base 10 and correspond to the positions of the corresponding alignment grooves 202.

In other embodiments, the connecting body 21 may be integrally formed with the positioning base 10. In other embodiments, the connecting body 21 may be fixedly connected to the fixing block 22 by means of a snap or a thread structure.

Referring to fig. 4, 5 and 8, the pushing mechanism 30 at least includes a main body 31, a clamping portion 32, a limiting portion 33 and a sliding portion 34.

The body 31 has a substantially plate-like configuration and is provided opposite to the mounting surface 211 of the connector body 21. The end surface of the main body 31 facing the positioning base 10 is a first end surface 311, and the first end surface 311 is used for pushing the guide rod 92 disposed on the second limiting structure 214. Preferably, the first end surface 311 is perpendicular to the x direction, and the end surface of the guide rod 92 for abutting against the first end surface 311 is also perpendicular to the x direction, so as to facilitate the abutting.

The clamping portion 32 is substantially a plate-shaped structure, and is connected to the first end surface 311 of the main body portion 31 and extends toward a side close to the positioning base 10, and the clamping portion 32 protrudes from the first end surface 311 of the main body portion 31. The clamping portion 32 is opposite to the connecting body 21 and spaced from the connecting body 21, and the guide rod 92 is clamped between the clamping portion 32 and the connecting body 21. The clamping portion 32 can move towards or away from the positioning base 10 along with the main body portion 31, when the main body portion 31 moves towards the positioning base 10, the distance between the main body portion 31 and the positioning base 10 is reduced, and due to the pushing effect of the main body portion 31 on the guide rod 92, the guide rod 92 moves towards the positioning base 10 along with the movement of the main body portion 31, so that the guide rod 92 abuts against the pole shoe 91, and at the moment, the second limiting structure 214 on the connecting body 21 plays a guiding role in guiding the guide rod 92. The clamp portion 32 moves following the movement of the main body 31, and covers the guide rod 92 when the main body 31 pushes the guide rod 92. That is, at this time, the guide rod 92 is located between the clamping portion 32 and the connecting body 21, and under the common limitation of the connecting body 21 and the clamping portion 32, the guide rod 92 can only move toward the positioning base 10 along with the main body portion 31.

Referring to fig. 8, an end surface of the clamping portion 32 opposite to the connecting body 21 is a covering surface 301, and the covering surface 301 is attached to or spaced from the mounting surface 211 of the connecting body 21. The covering surface 301 is provided with a third limiting structure 321, and the third limiting structure 321 is matched with the second limiting structure 214 to limit the guide rod 92 between the third limiting structure 321 and the second limiting structure 214.

In the embodiment shown in fig. 8, the third limiting structure 321 is a third limiting groove 321, and the third limiting groove 321 and the second limiting groove 214 extend in the same direction and extend along the x direction. When the main body 31 moves toward the positioning base 10, the clamping portion 32 can move from the outside of the second limiting groove 214 to a position opposite to the second limiting groove 214 to cover the guide rod 92. When the third limiting groove 321 moves to the opposite position of the second limiting groove 214, the notch of the third limiting groove 321 is opposite to the notch of the second limiting groove 214, and at this time, the third limiting groove 321 and the second limiting groove 214 enclose the accommodating space 50 for accommodating the guide rod 92 (see fig. 4). When the positioning base is used, the main body 31 is firstly far away from the positioning base 10 and slides until the clamping portion 32 is located outside the second limiting groove 214, or the distance between the clamping portion 32 and the positioning base 10 is greater than the length of the guide rod 92, at this time, the guide rod 92 is placed in the second limiting groove 214, then the main body 31 slides towards the direction of the positioning base 10 until the main body 31 pushes the guide rod 92, at this time, the guide rod 92 is located in the accommodating space 50, the main body 31 continues to move until the guide rod 92 is pushed to abut against the pole shoe 91, and at this time, the main body 31 and the positioning base 10 clamp the guide rod 92 and the pole shoe 91 together along the axial direction of the guide rod 92. The receiving space 50 improves the positioning and guiding function of the guide rod 92, and further limits the shaking of the guide rod 92. The length of the clamping portion 32 protruding from the first end surface 311 of the main body 31 is smaller than the length of the guide rod 92, so that the main body 31 and the positioning base 10 can clamp the guide rod 92 together. When there are a plurality of first limiting grooves 101, there are a plurality of second limiting grooves 214 corresponding to the number of first limiting grooves 101, and the guide rods 92 accommodated in the accommodating spaces respectively correspond to the pole shoes 91.

It should be noted that, the specific structure of the third limiting structure 321 is not limited in this embodiment, as long as the third limiting structure 321 can limit the guide rod 92, so that the guide rod 92 can only move towards or away from the positioning base 10. For example, in other embodiments, the third limiting structure 321 may also be a semicircular snap ring structure protruding on the covering surface 301.

Referring to fig. 8, an end surface of the main body 31 facing the mounting surface 211 of the connecting body 21 is a second end surface 312, and the sliding portion 34 is connected to the second end surface 312 and extends toward a side close to the connecting body 21. The sliding portion 34 protrudes from the second end surface 312, and extends into the sliding groove 216 (shown in fig. 7) of the mounting surface 211 to be slidably connected with the sliding groove 216. The sliding portion 34 is provided with a sliding member 341, and the sliding member 341 is connected to the inside of the guide rail 217 of the sliding groove 216 and slidably connected to the guide rail 217. When the sliding member 341 is located in the guide rail 217, the guide rail 217 may limit the movement of the sliding member 341 in other directions, so that the sliding member 341 can only move toward or away from the positioning base 10 along the extending direction of the guide rail 217, that is, the main body portion 31 can only push against the guide rod 92 along the extending direction of the guide rail 217.

In the embodiment shown in fig. 8, the sliding member 341 includes two sliding members 341 protruding from the sliding portion 34 along the z direction, and each sliding member 341 is substantially in a long strip structure and extends along the x direction. The number of the guide rails 217 is two, the two guide rails 217 are respectively arranged on two side walls of the sliding groove 216 along the z direction, each guide rail 217 extends along the x direction, and the cross section of each guide rail 217 is arc-shaped.

In the present embodiment, the connecting body 21 is provided with the sliding groove 216, the sliding groove 216 is provided with the guide rail 217, the main body portion 31 is provided with the sliding portion 34 engaged with the sliding groove 216, and the sliding portion 34 is provided with the sliding member 341 engaged with the guide rail 217, thereby achieving the sliding connection between the fixing mechanism 20 and the pushing mechanism 30. It should be noted that the present embodiment does not limit the specific sliding connection structure between the fixing mechanism 20 and the pushing mechanism 30, as long as the sliding connection structure can move the pushing mechanism 30 toward or away from the positioning base 10. For example, in other embodiments, the guide rail 217 is disposed on the bottom wall of the sliding groove 216 and extends along the x direction, the sliding member 341 is protruded on the end surface of the sliding portion 34 facing the mounting surface 211, the cross section of the guide rail 217 is a trapezoidal groove or a T-shaped groove, the sliding member 341 is a trapezoidal protrusion or a T-shaped protrusion adapted to the shape and size of the guide rail 217, and the sliding member 341 is slidably embedded in the guide rail 217. Alternatively, in another embodiment, the sliding groove 216 may not be provided on the connecting body 21, the sliding portion 34 may not be provided on the main body portion 31, the fixing block 22 of the fixing mechanism 20 is provided with a guide rail extending in the x direction, and the main body portion 31 is provided with a sliding member slidably connected to the guide rail, thereby achieving the sliding connection between the fixing mechanism 20 and the pushing mechanism 30.

Referring to fig. 8, the position-limiting portion 33 is connected to the end surface of the main body 31 away from the positioning base 10 and extends along the z-direction, the position-limiting portion 33 can abut against the fixing mechanism 20 when the main body 31 moves towards the positioning base 10, preferably the fixing block 22 of the fixing mechanism 20, and when the position-limiting portion 33 abuts against the fixing mechanism 20, the pushing mechanism 30 cannot continue to move towards the positioning base 10. By providing the stopper 33 on the body 31, the stability of the connection between the ejector mechanism 30 and the fixing mechanism 20 can be improved.

The position-limiting portion 33 may have at least one connecting hole 331 penetrating along the x-direction, and the elastic mechanism 40 is fixedly connected to the fixing mechanism 20 through the connecting hole 331.

The position-limiting portion 33 may further include a hand-held member 332, the hand-held member 332 is substantially a block-shaped structure, and an operator's hand can press the hand-held member 332 to facilitate moving the pushing mechanism 30. Specifically, the two handpieces 332 include two, and the two handpieces 332 are respectively disposed on two sides of the limiting portion 33 along the z direction.

Referring to fig. 2 and 3, the elastic mechanism 40 is used for applying an elastic force to the pushing mechanism 30 to move toward the positioning base 10. The elastic mechanism 40 may be connected to the fixing mechanism 20 or the positioning base 10 so as to apply force to the pushing mechanism 30. In the present embodiment, the elastic mechanism 40 is connected to the fixing mechanism 20. The pushing mechanism 30 can automatically move towards the positioning base 10 under the action of the elastic force of the elastic mechanism 40, so that the occupation of manpower is omitted, meanwhile, the clamping force can be continuously applied to the guide rod 92, the guide rod 92 is prevented from being separated from the pole shoe 91, and the pole shoe 91 and the guide rod 92 can be conveniently connected subsequently.

Referring to fig. 2, specifically, the elastic mechanism 40 includes a position-limiting pillar 41 and an elastic member 43 sleeved outside the position-limiting pillar 41.

One end of the limiting post 41 is connected to the fixing mechanism 20, and specifically, connected to the second connecting end 213 (shown in fig. 5) of the fixing post 22 of the fixing mechanism 20, the pushing mechanism 30 is movably sleeved outside the limiting post 41, and the pushing mechanism 30 is located between the elastic element 43 and the fixing mechanism 20. Specifically, the limiting portion 33 is provided with a connecting hole 331 penetrating along the x direction, and the limiting column 41 passes through the connecting hole 331 to be connected with the fixing block 22. In this embodiment, the position-limiting column 41 is inserted into the connecting groove 203 of the second connecting end 213 of the fixing block 22. The stopper posts 41 guide the movement of the ejector mechanism 30.

The stopper 41 is provided with a stopper 42, two ends of the elastic member 43 respectively abut against the stopper 42 and the stopper 33 of the pushing mechanism 30, and the elastic member 43 applies an elastic force to the pushing mechanism 30 toward the positioning base 10. The elastic force is a pushing force in this embodiment, and may be a pulling force in other embodiments. The limiting column 41 can play a guiding role for the elastic piece 43 and prevent the elastic piece 43 from twisting. The blocking portion 42 limits the elastic member 43, and prevents the elastic member 43 from separating from the limiting post 41. The elastic member 43 may be fixedly connected to the blocking portion 42 and the pushing mechanism 30, or may only abut against them. The blocking portion 42 is located at one end of the limiting post 41 far from the connecting body 21, the elastic element 43 may be a spring, the spring is sleeved on the limiting post 41, one end of the spring abuts against the end surface of the blocking portion 42 facing the pushing mechanism 30, and the other end abuts against the pushing mechanism 30.

Under the action of no external force, the elastic element 43 can be in a compressed state to apply force to the limiting part 33, so that the limiting part 33 abuts against the second connecting end 213 of the fixing column 22; alternatively, the elastic member 43 is in a natural state and does not apply a force to the ejector mechanism 30. When the pushing mechanism 30 moves away from the positioning base 10 under the action of the external force, the elastic member 43 is compressed and applies an elastic force to the pushing mechanism 30 to move toward the positioning base 10; when the external force is removed, the pushing mechanism 30 moves toward the positioning base 10 under the elastic force of the elastic member 43, if the guide rod 92 is placed in the second limiting groove 214, the pushing mechanism 30 can move under the elastic force until the main body 31 and the positioning base 10 clamp the guide rod 92 and the pole shoe 91 together, and if no guide rod 92 is placed, the pushing mechanism 30 moves under the elastic force until the pushing mechanism abuts against the second connection end 213 of the fixing post 22. In other embodiments, the pushing mechanism 30 may not be provided with the connection hole 331, as long as the elastic member 43 abuts against the pushing mechanism 30 and can apply an elastic force to the pushing mechanism 30.

When the clamp 100 of the present embodiment is used, the pole shoes 91 are respectively placed in the corresponding first limiting grooves 101, and then the pushing mechanism 30 is driven by hand or external force to move away from the positioning base 10, at this time, the elastic member 43 is compressed. When the distance between the end surface of the clamping portion 32 facing the positioning base 10 and the pole shoe 91 is greater than the length of the guide rod 92, the plurality of guide rods 92 are respectively placed in the corresponding second limiting grooves 214, then, the user releases his hand or removes the external force, the pushing mechanism 30 slides towards the positioning base 10 under the elastic force of the elastic member 43, the clamping portion 32 gradually covers the guide rod 92, and the guide rod 92 gradually enters the third limiting groove 321, at this time, the guide rod 92 is clamped in the accommodating space 50 formed by the second limiting groove 214 and the third limiting groove 321, when the pushing mechanism 30 slides until the main body 31 abuts against the end surface of the guide rod 92 far away from the end of the positioning base 10, the main body 31 starts to push the guide rod 92 to move towards the positioning base 10 until the guide rod 92 abuts against the surface 911 to be connected of the pole piece 91, and at this time, the main body 31 and the positioning base 10 clamp the guide rod 92 together, so that the pole piece 91 and the guide rod 92 are accurately aligned and assembled. Then, the connection between the pole piece 91 and the guide rod 92 can be fixed and connected by welding or bonding through the channel 60 between the clamping portion 32 and the positioning base 10, and the assembly of the magnetic conduction column 90 is completed. After the pole shoe 91 is fixedly connected to the guide rod 92, the pushing mechanism 30 can be driven by hand or external force to move away from the positioning base 10, the main body 31 is separated from the guide rod 92, and the driving is stopped until the clamping portion 32 and the guide rod 92 are dislocated in the x direction, so that the magnetic conductive column 90 is taken out. Finally, the user releases the hand or removes the external force, and the pushing mechanism 30 moves toward the positioning base 10 under the elastic force of the elastic member 43 until the limiting portion 33 of the pushing mechanism 30 abuts against the second connecting end 213 of the fixing post 22 of the fixing mechanism 20, and stops moving, and the clamp 100 returns to the initial state.

The foregoing is considered as illustrative only of the preferred embodiments of the invention, and is presented merely for purposes of illustration and description of the principles of the invention and is not intended to limit the scope of the invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are included in the protection scope of the invention based on the explanation here.

Claims

1. A jig for assembling a first fitting component with a second fitting component, the jig comprising:

the ejection mechanism comprises a main body part and a clamping part connected to the main body part, the main body part is in sliding connection with the connecting body and can move towards or away from the positioning base, the main body part is used for pushing the second assembly part so that the second assembly part is abutted to the first assembly part, when the main body part moves towards the positioning base, the clamping part can cover at least part of the second assembly part, and the clamping part and the positioning base are arranged at intervals and are provided with a channel.

2. The clamp of claim 1, wherein the first position-limiting structure is a first position-limiting groove, and the second position-limiting structure is a second position-limiting groove extending in a direction perpendicular to a bottom surface of the first position-limiting groove, the first position-limiting groove being located on an extension line of the second position-limiting groove.

3. The clamp according to claim 2, wherein the side wall of the first position-limiting groove is provided with a position-avoiding groove, and the position-avoiding groove extends to the notch of the first position-limiting groove;

4. The clamp of claim 2, wherein an end surface of the connecting body opposite to the clamping portion is a mounting surface, the second limiting groove is formed in the mounting surface, a through hole penetrating through the connecting body is further formed in the mounting surface, and the through hole is communicated with the second limiting groove.

5. The clamp of claim 2, wherein the securing mechanism is further provided with a guide rail extending in a direction perpendicular to a bottom surface of the first retaining groove;

6. The clamp of claim 1, wherein a third limiting structure is provided on an end surface of the clamping portion opposite to the second limiting structure, and when the third limiting structure moves to be opposite to the second limiting structure, the third limiting structure and the second limiting structure can enclose a receiving space for receiving the second assembly.

7. The clamp of claim 1, further comprising an elastic mechanism, wherein the elastic mechanism comprises a limiting post and an elastic member sleeved outside the limiting post;

8. The fixture of claim 7, wherein the securing mechanism further comprises a securing block coupled to the connecting body, one end of the securing block being coupled to the retaining post and the other end of the securing block being coupled to the positioning base.

9. The clamp of claim 8, wherein the pushing mechanism further comprises a limiting portion connected to the main body portion, the limiting portion is provided with a connecting hole, the fixing post is provided with a connecting groove, the limiting post passes through the connecting hole and is inserted into the connecting groove to connect with the fixing block.

10. The clamp of claim 8, wherein one end of the fixing block extends out of the connecting body toward one side of the positioning base and is connected with the positioning base, so that the connecting body and the positioning base are arranged at a distance.