CN214541960U

CN214541960U - Spring mounting tool

Info

Publication number: CN214541960U
Application number: CN202120036359.XU
Authority: CN
Inventors: 赵东辉; 张罗锐; 张敬涛; 王爽; 康世荣; 于洪宇; 陈利民; 丛艳伟; 张君宇; 王小焕; 李建兵; 汪宁; 王茜; 齐婵; 刘良; 汪想琴; 桑永建; 雷黎
Original assignee: State Grid Corp of China SGCC; Pinggao Group Co Ltd; Tianjin Pinggao Intelligent Electric Co Ltd
Current assignee: State Grid Corp of China SGCC; Pinggao Group Co Ltd; Tianjin Pinggao Intelligent Electric Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-29
Anticipated expiration: 2031-01-07

Abstract

The utility model provides a spring mounting frock, include: the base comprises a bottom plate and two side plates, and the bottom plate and the side plates form a U-shaped accommodating groove in an enclosing mode; the rotating piece is rotatably arranged on the side plate through a mounting shaft; the rear end of the connecting plate is hinged with the rotating piece; the pushing piece is positioned in the U-shaped accommodating groove and used for pushing the head of the guide rod in the spring assembly, the pushing piece is hinged with the front end of the connecting plate, the connecting plate drives the pushing piece to move back and forth when the rotating piece rotates, and a guide structure is arranged between the pushing piece and the side plate; the stopping piece is arranged in the U-shaped accommodating groove and matched with the spring in the spring assembly in a stopping way, the spring is compressed when the pushing piece pushes the head of the guide rod to move forwards, and the stopping piece is provided with an avoiding groove for the end part of the rod body of the guide rod to penetrate through so as to expose the pin shaft through hole on the rod body. The utility model discloses a spring mounting frock can target in place the spring compression, as long as last the revolving part application of force in the compression process, can avoid the spring to kick-back, and easy operation is convenient, has improved the assembly efficiency of spring.

Description

Spring mounting tool

Technical Field

The utility model relates to a spring mounting frock.

Background

In the medium voltage switchgear, as shown in fig. 1, an opening spring assembly of an indoor vacuum circuit breaker includes a spring 100, a guide rod 200 and a pin 300, and as shown in fig. 2, the guide rod 200 includes a rod 201 and a head 202 located at one end of the rod 201, the width of the head 202 is greater than the width of the rod 201, a connection hole 203 is formed in the head 202, and a pin through hole 204 is formed at the other end of the rod 201. When the spring 100 is installed, the spring 100 is sleeved outside the rod 201, one end of the spring 100 is pressed against the head 202, and the other end of the spring 100 is pressed against the pin 300, which is shown in fig. 1 as a state after the spring 100 is compressed.

Above-mentioned spring unit is when the equipment, at first need with spring 100 cover on the body of rod 201 of guide bar 200, then compression spring 100, expose the round pin axle perforation 204 of the body of rod 201 tip, then penetrate round pin axle perforation 204 with round pin axle 300 in, because the K value of spring is great, there are spring compression not in place in the installation, spring resilience and assembly efficiency low scheduling problem, consequently need a spring mounting frock to conveniently with spring compression in place, avoid spring resilience and improve assembly efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring mounting frock that conveniently targets in place the spring compression, avoids the spring to kick-back and can improve assembly efficiency.

In order to achieve the above object, the utility model provides a spring mounting frock adopts following technical scheme:

spring mounting frock includes:

the base comprises a bottom plate and two parallel side plates connected with the bottom plate, a U-shaped accommodating groove with an upward opening is defined between the bottom plate and the two side plates, and the extending direction of the U-shaped accommodating groove is defined as the front-back direction;

the rotating piece is rotatably installed on the two side plates through an installation shaft, and the axis of the installation shaft extends along the left-right direction;

the rear end of the connecting plate is hinged with the rotating piece;

the pushing piece is positioned in the U-shaped accommodating groove and used for pushing the head of the guide rod in the spring assembly, the pushing piece is hinged with the front end of the connecting plate so as to be driven by the connecting plate to move back and forth when the rotating piece rotates, and a guide structure for guiding the back and forth movement of the pushing piece is arranged between the pushing piece and the side plate so that the pushing piece, the connecting plate and the rotating piece form a crank slider mechanism;

and the stopping piece is arranged in the U-shaped accommodating groove and is used for being matched with a spring in the spring assembly in a stopping way so as to compress the spring when the pushing piece pushes the head of the guide rod to move forwards, an avoiding groove with an upward opening is arranged on the stopping piece, and the avoiding groove is used for enabling the rod body end part of the guide rod to penetrate through so as to expose the pin shaft through hole on the rod body.

The beneficial effects of the above technical scheme are that: the base is rotatably provided with a rotating piece, the rotating piece is connected with the pushing piece through a connecting plate, and the pushing piece, the connecting plate and the rotating piece form a crank slider mechanism, so that when the rotating piece is rotated, the pushing piece can be driven by the connecting plate to move back and forth, and the pushing piece pushes the head of a guide rod in the spring assembly; meanwhile, the front end of the U-shaped accommodating groove is provided with a stopping piece which is used for stopping and matching with a spring in the spring assembly, so that the spring can be compressed when the pushing piece pushes the head of the guide rod to move forwards; meanwhile, an avoiding groove with an upward opening is formed in the stopping piece, the avoiding groove is used for enabling the end portion of the rod body of the guide rod to penetrate through to expose the pin shaft through hole in the rod body, and therefore the pin shaft can be conveniently inserted into the pin shaft through hole after the spring is compressed, and the assembly of the spring assembly is completed.

Therefore, the utility model discloses a spring mounting frock utilizes the rotating member to drive the top and pushes away the piece and applys power to the head of guide bar in the spring unit, utilizes the stopper piece to carry out the stopper to the spring in the spring unit, keeps away the groove through setting up on the stopper piece, makes the body of rod tip of guide bar pass, exposes the round pin axle perforation on the body of rod, realizes the installation of round pin axle. Use the utility model discloses a spring mounting frock can target in place the spring compression, and compression spring's in-process as long as last the revolving part application of force, can avoid the spring to kick-back, and whole frock easy operation is convenient, can improve the assembly efficiency of spring.

Further, for the convenience of the manufacturing, installation and rotation operation of rotating member, the rotating member includes two rotary rods about and head rod and the second connecting rod of connection between two rotary rods, installation axle and swivelling joint, the head rod is located being close to of rotary rod the one end of installation axle, the rear end and the head rod of connecting plate are articulated to be linked to each other, and the second connecting rod is located keeping away from of rotary rod the one end of installation axle, the second connecting rod forms the spanner that is used for rotating the rotating member.

Further, in order to save the space of the U-shaped containing groove, the installation of the first connecting rod is facilitated and the rotation angle of the rotating member is conveniently controlled, the two rotating rods are respectively located at the outer sides of the two side plates, the first connecting rod penetrates through the two rotating rods and the two side plates, and a through hole for the first connecting rod to penetrate through is an arc-shaped hole on the side plates so as to limit the rotation angle of the rotating member.

Further, in order to simplify the structure and facilitate the installation, only one mounting shaft penetrates through the two rotating rods and the two side plates.

Furthermore, in order to facilitate the arrangement of the pushing piece, the pushing piece is connected with the connecting plate conveniently, the pushing piece comprises a pushing block and a first penetrating pin penetrating through the pushing block along the left-right direction, and the front end of the connecting plate is hinged to the first penetrating pin.

Furthermore, in order to facilitate the arrangement of the guide structure, the spring mounting tool further comprises a second through pin penetrating through the pushing block along the left-right direction, the second through pin is located on the front side of the first through pin, guide long holes are formed in the two side plates, the first through pin and the second through pin penetrate through the guide long holes and extend along the front-back direction, and the guide structure is formed by the first through pin, the second through pin and the guide long holes.

Further, in order to protect and lead the spring, the spring mounting tool further comprises protection plates which are respectively arranged on the left side and the right side of the spring, the rear end of each protection plate is connected to the first through pin and the second through pin, through holes for the first through pin and the second through pin to pass through are formed in the protection plates, and the upper ends and the lower ends of the two protection plates are respectively provided with bending edges which extend in opposite directions.

Furthermore, in order to conveniently push the head of the guide rod, a U-shaped clamping groove with a forward opening is formed in the pushing block and used for being clamped on the outer side of the head of the guide rod.

Furthermore, in order to facilitate the setting and adjustment of the stop member, the stop member comprises a baffle fixed on the base and at least one backing plate arranged at the rear side of the baffle when in use, and the baffle and the backing plate are both provided with the avoiding groove.

Furthermore, in order to facilitate the installation of the pin shaft in the spring assembly, the avoiding groove is in an inverted convex shape, so that the pin shaft in the spring assembly can penetrate into the pin shaft through hole from top to bottom, and the pin shaft is positioned in the avoiding groove.

Drawings

FIG. 1 is a block diagram of a prior art spring assembly;

FIG. 2 is a block diagram of the guide bar of FIG. 1;

FIG. 3 is a perspective view of the spring mounting tool of the present invention;

FIG. 4 is a top view of the spring mounting fixture of the present invention (with spring assembly);

FIG. 5 is a partial structural view of the spring mounting tool of the present invention (with spring assembly);

FIG. 6 is a partial structural view of the spring mounting tool of the present invention;

fig. 7 is a matching structure diagram of the pushing member, the stopping member and the spring assembly of the middle spring mounting tool of the present invention;

FIG. 8 is a drawing showing a structure of the cooperation between the pushing member of the middle spring mounting tool and the guide rod of the spring assembly of the present invention;

FIG. 9 is a diagram showing a fitting structure among the connecting plate, the pushing member and the protection plate of the middle spring mounting tool of the present invention;

fig. 10 is a matching structure diagram of the protection plate of the middle spring mounting tool of the present invention and the first through pin and the second through pin.

In the figure: 100-a spring; 200-a guide bar; 201-a rod body; 202-a head; 203-connecting hole; 204-pin shaft perforation; 300-a pin shaft; 1-a bottom plate; 2-side plate; 21-arc-shaped holes; 22-a guide slot; 3-rotating the rod; 4-a first connecting rod; 5-a second connecting rod; 6, mounting a shaft; 7-connecting the plates; 8-a first through pin; 9-a second through pin; 10-pushing the pushing block; 101-a U-shaped slot; 102-a second through pin perforation; 103-a first through pin perforation; 11-protective plate; 111-bending edges; 12-a baffle plate; 121-baffle avoidance slots; 13-a backing plate; 131-backing plate avoiding groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses an embodiment of well spring mounting frock is shown in fig. 3 and 4, including base, rotating member, even board 7, top pushing member and stop piece, wherein the base includes bottom plate 1 and the curb plate 2 of two parallels that link to each other with bottom plate 1, encloses into the U-shaped groove of holding of opening up between bottom plate 1 and two curb plates 2, and the extending direction that the groove was held to the definition U-shaped is the fore-and-aft direction.

The rotating member includes two rotary rods 3 about and connects head rod 4 and second connecting rod 5 between two rotary rods 3, and two rotary rods 3 are installed on two curb plates 2 through installation axle 6 rotation, and the axis of installation axle 6 extends along left right direction. The first connecting rod 4 is located at the end of the rotary rod 3 close to the mounting shaft 6, the second connecting rod 5 is located at the end of the rotary rod 3 remote from the mounting shaft 6, and the second connecting rod 5 forms a wrench for rotating the rotary member.

Two rotary rods 3 are located the outside of two curb plates 2 respectively, and head rod 4 runs through two rotary rods 3 and two curb plates 2, and installation axle 6 has only one and also runs through two rotary rods 3 and two curb plates 2 simultaneously, combines to show in fig. 3, fig. 5 and fig. 6, and the perforation that supplies head rod 4 to run through on the curb plate 2 is arc hole 21 to the turned angle of restriction rotating member.

As shown in fig. 3 to 5, the connecting plate 7 has two left and right sets, and the rear end of the connecting plate 7 is hinged to the first connecting rod 4.

As shown in fig. 3 to 5, 6, 7 and 9, the pushing member is located in the U-shaped receiving groove and used for pushing the head of the guide rod in the spring assembly, the pushing member includes a pushing block 10 and a first through pin 8 penetrating through the pushing block 10 along the left-right direction, and the front end of the connecting plate 7 is hinged to the first through pin 8. As shown in fig. 8, the ejector 10 is provided with a first through pin through hole 103, and the ejector 10 is further provided with a U-shaped slot 101 with a forward opening, wherein the U-shaped slot 101 is used for being clamped outside a head 202 of the guide rod.

The spring installation tool further comprises a second penetrating pin 9 penetrating through the pushing block 10 along the left-right direction, and a second penetrating pin penetrating hole 102 is further formed in the pushing block 10. The second through pin 9 is located at the front side of the first through pin 8, and the two side plates 2 are respectively provided with long guide holes 22 through which the first through pin 8 and the second through pin 9 pass and which extend in the front-rear direction, as shown in fig. 3, 5, and 6. Thus, the ejector pad 10, the connecting plate 7 and the rotating member form a slider-crank mechanism, the connecting plate 7 can drive the ejector pad 10 to move back and forth when the rotating member rotates, and the first through pin 8, the second through pin 9 and the guide long hole 22 form a guide structure for guiding the back and forth movement of the ejector pad 10.

The stopping member is disposed in the U-shaped receiving groove, specifically at the front end, and is used for stopping and matching with the spring 100 in the spring assembly to compress the spring 100 when the pushing block 10 pushes the head 202 of the guide rod to move forward, as shown in fig. 3 to 7, the stopping member includes a baffle plate 12 fixed on the base and a plurality of backing plates 13 disposed at the rear side of the baffle plate 12 when in use. The baffle 12 is L-shaped, the horizontal edge of the baffle is fixed on the bottom plate 1, and the vertical edge of the baffle is used for the backing plate 13 to abut against.

The stopping member is provided with an avoiding groove with an upward opening, and as shown in fig. 7 and 8, the avoiding groove is used for allowing the end portion of the rod body 201 of the guide rod to pass through so as to expose the pin through hole 204 on the rod body 201. In the present embodiment, the above-described avoiding groove includes a baffle avoiding groove 121 provided on the baffle 12 and a pad avoiding groove 131 provided on the pad 13, as shown in fig. 6 and 7. And, the baffle dodges groove 121 and the backing plate dodges groove 131 and all is "protruding" font, after spring 100 compressed in place, the tip of the body of rod 201 just was located dodges the inslot, owing to dodge the special construction in groove for the round pin axle 300 in the spring unit can penetrate round pin axle perforation 204 from top to bottom, and make round pin axle 300 also be located dodge the inslot, thereby made things convenient for the installation of round pin axle 300.

As shown in fig. 3 to 6, 9 and 10, the spring mounting tool further includes protection plates 11 respectively disposed on the left and right sides of the spring 100, and the rear ends of the protection plates 11 are connected to the first through pin 8 and the second through pin 9, so that the protection plates 11 are provided with through holes for the first through pin 8 and the second through pin 9 to pass through, and the upper and lower ends of the two protection plates 11 are further provided with bending edges 111 extending in opposite directions, so as to protect and guide the spring 100.

The utility model discloses well spring mounting frock's theory of operation is:

when in use, firstly, the spring 100 is sleeved outside the rod body 201 of the guide rod, then the head 202 of the guide rod is inserted into the U-shaped clamping groove 101 of the pushing block 10 (as shown in fig. 8), the protection plates 11 on two sides are covered, and the first penetrating pin 8 and the second penetrating pin 9 are respectively inserted into corresponding positions; adjusting the number of the pad plates 13 according to the length of the spring 100; the second connecting rod 5 is rotated to enable the rotating rod 3 and the first connecting rod 4 to rotate forwards, so that the first connecting rod 4 drives the connecting plate 7 to move forwards, the connecting plate 7 drives the pushing block 10 to move forwards through the first through pin 8, the pushing block 10 pushes the guide rod forwards until the front end of the spring 100 abuts against the backing plate 13, the front end of the rod body 201 of the guide rod extends into the avoiding groove, the pushing block 10 continues to move forwards, the spring 100 is compressed, the pin shaft through hole 204 in the rod body 201 is completely exposed, the pin shaft 300 penetrates into the pin shaft through hole 204 at this time, and the assembly of the spring assembly is completed.

The utility model discloses a power is applyed to the head that spring mounting frock utilized the rotating member to drive the ejector part guide bar in to spring unit, utilizes the stop piece to carry out the stop to the spring in the spring unit, keeps away the groove through setting up on the stop piece, makes the body of rod tip of guide bar pass, exposes the round pin axle perforation on the body of rod, realizes the installation of round pin axle. Use the utility model discloses a spring mounting frock can target in place the spring compression, and compression spring's in-process as long as last the revolving part application of force, can avoid the spring to kick-back, and whole frock easy operation is convenient, can improve the assembly efficiency of spring.

In other embodiments of the spring mounting tool, the avoiding groove is not in an inverted convex shape, but is a U-shaped groove with an upward opening, and the groove depth of the U-shaped groove can meet the requirement for mounting the pin shaft.

In other embodiments of the spring mounting tool, the stop member may be formed by only the baffle.

In other embodiments of the spring mounting tool, the U-shaped slot on the pushing block may be replaced by an arc-shaped slot, or the pushing block is not provided with the U-shaped slot and the arc-shaped slot, but directly pushes the guide rod by using the end surface.

In other embodiments of the spring mounting tool, the protection plate may not be provided.

In other embodiments of the spring mounting tool, the second penetrating pin may not be provided, at this time, the guide rail may be provided on the pushing block, and the sliding groove may be provided on the inner wall of the side plate, and the guide rail and the sliding groove are in guiding fit in the front-rear direction.

In other embodiments of the spring mounting tool, the pushing member may also be composed of a pushing block and a fixing shaft welded and fixed on a side surface of the pushing block, and the front end of the connecting plate is hinged to the fixing shaft.

In other embodiments of the spring mounting tool, there may be two mounting shafts, one for each rotating rod.

In other embodiments of spring mounting frock, two rotary rods also can set up the inboard at the curb plate, and the head rod need not to run through two curb plates this moment, therefore need not set up the arc hole on the curb plate.

In other embodiments of the spring mounting tool, the rotating member may also be an integral rotating plate, the bottom of which is located between the two side plates and is rotatably mounted on the two side plates through a mounting shaft, and at this time, a hinge shaft may be separately mounted on the rotating plate to connect the rear ends of the connecting plates.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Spring mounting frock, its characterized in that includes:

the rear end of the connecting plate is hinged with the rotating piece;

2. The spring mounting tool according to claim 1, wherein the rotating member comprises a left rotating rod and a right rotating rod, and a first connecting rod and a second connecting rod which are connected between the two rotating rods, the mounting shaft is connected with the rotating rods, the first connecting rod is located at one end of the rotating rods, which is close to the mounting shaft, the rear end of the connecting plate is hinged to the first connecting rod, the second connecting rod is located at one end of the rotating rods, which is far away from the mounting shaft, and the second connecting rod forms a wrench for rotating the rotating member.

3. The spring mounting tool according to claim 2, wherein the two rotating rods are respectively located at the outer sides of the two side plates, the first connecting rod penetrates through the two rotating rods and the two side plates, and a through hole for the first connecting rod to penetrate through on the side plates is an arc-shaped hole so as to limit the rotating angle of the rotating member.

4. The spring mounting tool according to claim 2 or 3, wherein the mounting shaft is provided with only one and penetrates through the two rotating rods and the two side plates.

5. The spring mounting tool according to any one of claims 1 to 3, wherein the pushing piece comprises a pushing block and a first through pin penetrating through the pushing block in the left-right direction, and the front end of the connecting plate is hinged to the first through pin.

6. The spring mounting tool according to claim 5, wherein the spring mounting tool further comprises a second through pin penetrating through the pushing block along the left-right direction, the second through pin is located on the front side of the first through pin, guide long holes for the first through pin and the second through pin to penetrate through and extend along the front-back direction are respectively formed in the two side plates, and the guide structure is formed by the first through pin, the second through pin and the guide long holes.

7. The spring mounting tool according to claim 6, further comprising protection plates arranged on the left side and the right side of the spring respectively, wherein the rear ends of the protection plates are connected to the first through pin and the second through pin, through holes for the first through pin and the second through pin to pass through are formed in the protection plates, and bending edges extending in opposite directions are further formed at the upper ends and the lower ends of the two protection plates respectively.

8. The spring mounting tool according to claim 5, wherein the pushing block is provided with a U-shaped clamping groove with a forward opening, and the U-shaped clamping groove is used for being clamped on the outer side of the head of the guide rod.

9. The spring mounting tool according to any one of claims 1 to 3, wherein the stop member comprises a baffle fixed on the base and at least one backing plate disposed at the rear side of the baffle in use, and the baffle and the backing plate are both provided with the avoiding groove.

10. The spring mounting tool according to any one of claims 1 to 3, wherein the avoiding groove is in an inverted convex shape, so that a pin shaft in the spring assembly can penetrate through the pin shaft through hole from top to bottom, and the pin shaft is located in the avoiding groove.